博文

目前显示的是 十一月, 2019的博文

Geographical location and stock yard in asphalt mixing plant layout

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This article discusses geographical location and stock yard in  asphalt mixing plant layout . 1.1 limitation of geographical location An  asphalt mixing plant   usually covers a large area, and the mixing station with a production capacity of 200000 cubic meters or more covers an area of 30000 square meters or more. The main facilities include production area, material storage warehouse, test and detection area, power distribution and standby power supply warehouse, cleaning and purification area, living area, recording belt, circular transportation channel, etc. As the center of construction activities, the asphalt mixing plant layout should first consider the convenience of material transportation and the smooth supply of water and electricity, so the mixing station will be arranged beside the construction road section. The topography and terrain on both sides of the construction route will have a certain impact on the site selection of the mixing station. For ...

Differences between bucket type and belt type concrete batching plant

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  Depending on the aggregate conveying device, there are bucket type concrete batching plant and  belt type concrete batching plant . The models are HZS25, hzs35, HZS50, hzs60 are bucket mixing stations, the models are HZS75, hzs90, HZS120, and HZS180 are belt mixing stations. Both the bucket type and the belt type have their advantages and disadvantages.   The hoisting bucket is applied with a brake hoist and is towed by a pulley block and a wire rope to achieve the purpose of lifting the hopper. In large and medium-sized concrete batching plants, double-wire rope transmission is often adopted; in small-sized concrete plants, most are directly suspended by single rope transmission or single rope transmission guided by moving pulleys on the hopper. It is more suitable for small mixing plants with a production capacity below 75 cubic meters per hour. The bucket type mixing station has the advantages of small flooring area, simple structure, and low cost. The disadvantage is that ...

Maintenance of hzs 25 mini mobile concrete batching plant

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Daily maintenance of  hzs 25 mini mobile concrete batching plant 1. It is necessary to check whether the sound of the rotating part is normal every day, and whether the gearbox and bearings have heat and oil leakage; 2. Observe whether the pressure at the inlet and outlet of the seal cavity and distributor of the sealed shaft and the seal pipe oil pressure of each sealed shaft is normal and stable, and whether there is sufficient lubricant at each lubrication point and the reduction box; 3. Check the use of the conveyor cleaner, if it is defective, replace it in time; 4. Check the transportation pipeline to determine whether there is a leakage problem, and it is necessary to take anti-freezing protection measures in winter. Points that are easy to be overlooked in maintaining a  mobile concrete batching plant 1. The air system leaks air. Sometimes, due to the poor sealing of the air pipe joints, there is a phenomenon of air leakage. Many people feel that exposin...

Features of a trailer concrete pump with boom

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A  trailer concrete pump with boom  refers to a machine unit with a trailer concrete pump and a boom of a concrete pump truck. The unit has the same function of a  concrete pump truck   except for that it can not move unless an extra trailing vehicle is added. In spite of its obscurity in China, a trailer concrete pump with boom is very popular in some other countries. Its features are as below.   First, a trailer concrete pump with boom has a low cost. As mentioned above, the combination of a such a trailer boom with a trailing vehicle has a similar function to a concrete pump truck, but the latter is much more expensive, and its most expensive part is the chassis whose main use is to support and carry the boom around. A trailer boom has a boom and a trailing vehicle to replace the chassis, proving to be much cheaper than a concrete pump truck.   Second, a  trailer concrete pump  with boom has a stronger adaptability to construction sites, especiall...

Hydraulic system of a mini concrete pump truck

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The hydraulic system is to drive the water pump of a  mini concrete pump truck . In this driving mode, the prime mover and the water pump are connected by a flexible rubber hydraulic pipe. The pump can be used in vertical, horizontal or inclined installation at any angle. In addition, the project uses a diesel engine as the prime mover, eliminating the power facilities necessary for a fixed pumping station. Due to the diesel engine and hydraulic driving method, the pump device can be integrated in the chassis of the car or a special container to form a movable pump device system.   There are five main types of control methods for the electrical control system of mini  concrete pump truck s: mechanical, hydraulic, electromechanical electrical control, programmable controller, and logic circuit control.   In addition to the electrical control system installed on the mini concrete pump truck to complete the control task, a manual control operating system is also installed, ...

Concrete pump truck price

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A  concrete pump truck price  is related to the manufacturing cost and boom length of the truck. The manufacturing cost varies from supplier to supplier for it involves brand and technique, and by boom length we have 24m, 28m, 33m, 37, 42m and 45m, among which the most representative is the  Concrete Pump Truck HDT5291THB-37/39/4 . There are larger ones with a boom of 48m, 52m and even 63m in the market. Thus if you want to know the concrete pump truck price from a supplier, you need to tell them about boom length at least. Haomei concrete pump truck has an advanced electrical control system. There are five main control methods for concrete pump trucks: mechanical, hydraulic, electromechanical electrical control, programmable controller, and logic circuit control. In addition to the electric control system installed on the concrete pump truck to complete the control task, a manual control operating system is also installed, which is also part of the control system...

Trailer concrete pump with boom price

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A  trailer concrete pump with boom  is seldom spotted in China, but it’s a popular type of concrete pump in some other countries. Consisting of a trailer concrete pump and a boom that is the same as that for a concrete pump truck, the pump is usually towed around by a vehicle. In other words, it’s a combination of the trailer pump and the concrete boom, combining the advantages of a trailer pump and a  concrete pump truck , but it’s cheaper than combining costs of the two, for the cost of a towing vehicle and a boom is much less than that of a chassis for a concrete pump truck. If you want to get a price for a trailer concrete pump with boom, you should be clear about the capacity and pumping height you need, based on which your supplier will make several plans of configuration for your reference. The pump, the boom and the vehicle must match each other perfectly so that they will be able to work in a cooperative way. All the steel plates of the boom system of H...

Solutions to hydraulic vibration of a concrete pump truck

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Reasons for hydraulic vibration of a concrete pump truck may lie in the hydraulic pump, hydraulic oil, overflow valve, pipe, electromagnet or mechanical structure. Solutions are as below.   Hydraulic Pump: Intake air, the installation position is too high, the oil absorption resistance is large, the gear tooth shape accuracy is not enough, the blade is stuck and broken, the plunger is stuck and the movement is not flexible, and the parts wear make the gap too large.   Method: Replace the inlet port seal, the height of the suction port nozzle to the pump suction port should be less than 500mm, ensure the diameter of the suction pipe, repair or replace the damaged parts.   Hydraulic oil: the liquid level is too low, the suction pipe is inserted into the liquid surface depth is not enough, the viscosity of the oil is too large, and the filter is clogged   Method: Refueling, long-term immersion of the suction pipe to the specified depth, replacement of suitable viscosity hydraulic...

120cbm concrete batching plant

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  A 120cbm concrete batching plant refers to a concrete plant of 120 cubic meters per hour. Here Haomei introduces its configuration, features, price and purchasing traps.   Configuration of a  120cbm concrete batching plant   The cement silo is used for bulk cement storage, and the bulk cement silo is a closed tank for storing materials. With the development of social construction, the use of cement silos in the construction domain is becoming more and more widespread.   The conveying system of  HZS120 concrete mixing station  includes the transportation of aggregate and the transportation of powder: the conveyor of aggregate is often carried by belt conveyor. The transportation of cement and admixture is usually carried out by screw conveyor and pneumatic conveying; , or the delivery of powder, to minimize the generation of dust; the conveying speed and efficiency of the conveyor system must match the cycle time of the system.   The control system is the center...

Why is Haomei Mobile Asphalt Mixing Plant Worth Choosing

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Haomei mobile asphalt mixing plant is stable in operation, high in efficiency, convenient in control, friend in environmental protection and low in energy consumption. High Efficiency The  mobile asphalt mixing plant  equipment produced by Haomei has a production capacity of 80 tons to 400 tons per hour. The whole machine adopts modular design, convenient installation and maintenance, and quick relocation and transportation. The use of the vibration screen driven by the imported vibration motor greatly improves the efficiency and reduces the failure rate of the equipment. Stable Operation The bottom structure of the silo is opposite, which greatly reduces the floor space of the asphalt mixing plant, and at the same time eliminates the lifting space of the finished product small lane and reduces the failure rate. The lifting of the aggregate and the use of double row plate lifting increase the service life of the hoist and improve the running stability. Convenient ...

Concrete pump truck models

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 Concrete pump truck models are divided based on the boom length, mixer capacity and motor capacity. For example, an HBT50-28-500 concrete pump truck stands for a 50 motor, a js500 concrete mixer and a boom of 28m long. Boom length is the most frequently used, including 25m, 27m, 28m, 29m, 33m, 35m, 38m, 42m and 45m etc.   How to choose  concrete pump truck models ?   First, pay attention to the boom length. The boom length decides the pumping distance and height of the truck. In choosing a chassis truck, you should take account of the height of the building and the area of the construction site. For example, if you need to supply concrete for a 3 to 5 storey building, the total height of which is between 11m to 18m, then you are recommended to select a truck whose length ranges from 18m to 34m.   Second, consider the conditions of the construction site. Owing to the fact that a  concrete pump truck  needs to be supported by legs stretching around it and that t...

Mixer and distributor of our hzs180 ready-mixed concrete batching plant

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An  HZS180  ready-mixed concrete batching plant  is mainly composed of a material supply system, a metering system, a mixing system and a control system with a computer. The plant has functions of electronic measurement, dynamic picturing, storage ratio, automatic compensation gap and automatic printing. Both operation methods of semi-automatic and full automatic are available. Able to produce a variety of concrete, the  180m3 concrete batching plant   is widely used in plastics, such as large and medium-sized projects, roads and bridges, producing high-quality concrete prefabrication plants, large-scale engineering construction, road&bridge construction and commercial concrete production. The mixer and distributor of our hzs180 ready-mixed concrete batching plant are as below.   Concrete mixer of an HZS180 plant   The  concrete batching plant  is equipped with a concrete mixer JS3000 which mixes through the mixing cylinder device, the trans...

Mobile concrete batching plant china

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  The working principle of a  mobile concrete batching plant China  is similar to that of a traditional stationary concrete mixing station. The mobile station generally uses JZM drum mixer or JS forced mixer, and the same type of mixers has different output. Generally, output of a JS1000 mixer for a mobile plant reaches 50 square meters, while that of a 1000 roller mixer is only between 25 and 30 square meters. Therefore, when we purchase a mobile mixing plant, the top concern should be the output rather than the model of a mixer .   The bins for a mobile  concrete batching plant  China are arranged in a straight line. The loading machine can keep two, three or four kinds of aggregates at the same time. The measured aggregates are transported to the host through flat belts and lifting systems.   The powder batching system can be equipped with four powder silos, and the powders are respectively sent from the respective screw conveyors to the corresponding powde...

Tips in hiring a concrete pump trailer rental

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Owing to high cost of trailer concrete pumps, it’s not necessary for people in charge of short-term projects to purchase a pump. A better choice is to hire a  concrete pump trailer rental . As a professional concrete pump manufacturer, we would like to give some tips for your hiring task. In order to further guarantee the quality of service, you need to make a contract standardizing the leasing business with the leaser party, and clarifying the rights and obligations between the two parties. The two parties shall, in accordance with relevant laws and regulations, adhere to the principle of equality, fairness and consensus. And a contract for concrete pump trailer rental should be of two copies, with each party keeping one copy. The content should include the following aspects. 1. Models, number of units, accessories and related equipment parameters of the  trailer concrete pump  for renting goods; 2. The lease time period must be clearly stated in the contract, a...

How does a concrete pump truck work

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    How does a concrete pump truck work ? A concrete pump truck mainly consist of a special automobile chassis, a concrete pump, an agitator, a screen, a cloth device, concrete distribution valves and legs. In general, the pump works in this way. The rubber tube is squeezed when the roller is rolled, so that the rubber tube has the ability to absorb and output concrete, thereby achieving the purpose of transportation. In detail, the drive shaft drives the roller carriage and the three rollers rotate to continuously squeeze the rubber hose. The vacuum suction port is connected to the vacuum pump. During operation, the vacuum pump continuously draws air, causing a negative pressure in the pump body. The role of the support roller is to assist the quick recovery of the hose after extrusion to improve the suction performance of the concrete.   The pump working procedure we elaborate on above does not include the function of any chassis. If we place such a pump on a chassis with a boom...

Knowledge in building a hzs50 concrete batching plant

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An HZS50 concrete batching plant is of a simple configuration method of a 60 mixing station. The concrete is fed with a crawler which is matched with feeding, batching, stirring, electric control and rigid structural components to form a semi-automatic concrete mixing station. It occupies less capital and a smaller footprint. Its theoretical productivity is 50 cubic meters per hour, but few plants reach such a figure in practice, for real yields are related to specific operation states and vehicle control results. Generally speaking, the productivity of an HZS50 concrete batching plant ranges from 35 to 45 cubic meters per hour. Configuration of an HZS50 Plant A   js1000 concrete mixer A PLD1600 distributor Two 100-ton silos (price around 30000RMB, up to the material) Two screw conveyors that match the silos above A control room (The semi-automatic type is cheaper, with only a meter and a computer, and the plant feeds materials automatically, too.) Corresponding dust...

Mobile Concrete Batching Plant Price

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 If you just search for  mobile concrete batching plant price  online, you will never get a satisfying answer, unless you will be satisfied with deceptive model lists and hollow words like “we give low offers”. Before you rush to blame the search engine or plant suppliers, you are advised to double check your question first. The fact is, no supplier is able to give you a specific price to a “mobile concrete batching plant”. Every time you contact a supplier, they would ask you about models you need, for there are at least five models for regular mobile plants, not to mention irregular ones. Many people search for “mini  mobile concrete batching plant ”. This includes 25m3 and 35m3 mobile plants, also known as YHZS25 and YHZS35 in China. Such a plant consists of a belt conveyor, a weighing and mixing system, a trailer truck and a cement silo. All these are of modular design so that it’s convenient to pack and deliver them on the truck. Owing to the fact that th...

How to reduce concrete batching plant cost

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  How to reduce  concrete batching plant cost ? Many people may relate this question to price of a concrete plant they are about to buy, which is important, but the cost of a concrete batching plant involves more factors than that. Here let’s have a brief discussion about tips in saving your cost with a concrete batching plant.   First, you should have a full knowledge about models of concrete batching plants. There are singular mixer plants and twin-mixer plants. The latter are equipped with two concrete mixers that share other systems of a plant, and their yields double, too. The most popular models are 2hzs50 and 2hzs75. Singular models include hzs25, hzs35, hzs50, hzs60, hzs75, hzs90, hzs120 and hzs180. These are known as stationary concrete plants, and the unit for their capacity is cbm. For example, an hzs25 plant produce 25cbm concrete per hour. In addition to HZS and 2HZS series, there is YHZS, which means a mobile concrete batching plant. Models include yhzs25, yhzs35...

Tips in hiring a concrete pump trailer rental

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Owing to high cost of trailer concrete pumps, it’s not necessary for people in charge of short-term projects to purchase a pump. A better choice is to hire a  concrete pump trailer rental . As a professional concrete pump manufacturer, we would like to give some tips for your hiring task. In order to further guarantee the quality of service, you need to make a contract standardizing the leasing business with the leaser party, and clarifying the rights and obligations between the two parties. The two parties shall, in accordance with relevant laws and regulations, adhere to the principle of equality, fairness and consensus. And a contract for concrete pump trailer rental should be of two copies, with each party keeping one copy. The content should include the following aspects. 1. Models, number of units, accessories and related equipment parameters of the  trailer concrete pump  for renting goods; 2. The lease time period must be clearly stated in the contract, a...

Supply belt type concrete batching plant 90 to 180cbm

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Simply speaking, a  belt type concrete batching plant  refers to a plant whose capacity is 90cbm and above. Divided by aggregate conveying methods, concrete batching plants are of bucket type and belt type. Models of the bucket type are HZS25, hzs35, HZS50 and hzs75, and belt type hzs60, hzs90, HZS120 and HZS180. Connected in a closed loop, the belts are tensioned by a tensioning device. Under the driving of the motor, the friction between the conveyor belt and the driving drum causes the belt to run continuously, thereby transporting the aggregate from the loading end to the unloading. The belt conveyor has the advantages of large conveying distance, high efficiency and low failure rate. Suitable for horizontal conveying and inclined conveying, it is widely used in the construction of large commercial  concrete batching plant s. item Model HZ90G HZ120G HZ90/2HZS180 HZ120/2HZS240 HZ180/2HZS360 1 Theoretical capacity 90m3/h 120m3/h 90m3/h, ...

How does a concrete pump truck work

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    How does a concrete pump truck work ? A concrete pump truck mainly consist of a special automobile chassis, a concrete pump, an agitator, a screen, a cloth device, concrete distribution valves and legs. In general, the pump works in this way. The rubber tube is squeezed when the roller is rolled, so that the rubber tube has the ability to absorb and output concrete, thereby achieving the purpose of transportation. In detail, the drive shaft drives the roller carriage and the three rollers rotate to continuously squeeze the rubber hose. The vacuum suction port is connected to the vacuum pump. During operation, the vacuum pump continuously draws air, causing a negative pressure in the pump body. The role of the support roller is to assist the quick recovery of the hose after extrusion to improve the suction performance of the concrete.   The pump working procedure we elaborate on above does not include the function of any chassis. If we place such a pump on a chassis with a boom...