200HP screw type Concrete batch plant water chiller

200HP screw type Concrete batch plant water chiller OMC-200WSH. Fresh water chiller,Chilled water outlet temperature 5℃.

  • Item NO.:

    OMC-200WSH
  • Payment:

    T/T, L/C,West Union
  • Product Origin:

    China
  • Color:

    Customize
  • Shipping Port:

    Shekou or Yantian Port
  • Lead Time:

    15-30 working days
  • Order(MOQ):

    1 set
  • Product Detail

200HP screw type Concrete batch plant water chiller


Concrete cooling chiller, mixing plant chiller

Large-scale hydroelectric dams, nuclear power plants, high-speed railways, and large-volume foundations of high-rise buildings require temperature-controlled concrete. In the process of concrete mixing, the internal volume of the heat of hydration of concrete increases, especially under high temperature conditions, the heat generated by mixing is higher. In the future curing or low temperature, the internal volume of the concrete will be caused by thermal expansion and contraction. The volume is reduced, and cracks usually appear in this process. Therefore, the initial pouring temperature of concrete should be low, reaching the limit temperature of the architectural design unit, and thus the quality of the project. Cold water will be used to cool the concrete during construction!

 

It is necessary to reduce the heat of hydration of concrete. Lowering the pouring temperature of concrete is a very effective means. Therefore, low-temperature water can be produced through industrial chiller equipment to reduce the temperature of concrete. The temperature of concrete can drop below 20 degrees. At the same time, the quality and quantity of cement, stones, and yellow sand produced at a temperature of 20-30 degrees are good. In summer, the ambient temperature is very high and the water temperature is not conducive to mixing. Therefore, industrial chillers are used because all screw chilled water is used. The machine cost and operating cost are high, and a lot of it is used.

 

In order to meet the needs of such customers in engineering use Oumal Refrigeration has produced a professional concrete mixing plant cold water system. The special chiller of oumal concrete mixing plant directly provides 0-10 ℃ chilled water, which can fully meet the requirements of the national quality inspection concrete cooling process cold source. It is widely used in large-scale concrete mixing of national railway bureaus, highway bureaus, construction bureaus, hydropower bureaus, etc., such as: high-speed rail, tunnels, hydropower, dams, hydropower stations and other civil concrete mixing and cooling.

 

The special chiller for concrete mixing is the latest generation of special chiller for concrete mixing ice water mixing and cooling system designed and developed by our company’s main technicians on the basis of years of experience in concrete cooling system design and construction; the special chiller for concrete mixing adopts the current international best Advanced ice making and cold storage technology, which has the functions of refrigeration, ice making, cold water supply and ice delivery. It can directly provide frozen water at 0-2°C or a mixture of ice and water at 0-2°C, which can fully satisfy the concrete cooling process According to the demand of the cold source, the chiller can set the water temperature according to the customer's requirements. The temperature control range is 0℃~10℃, which can effectively reduce the heat generated during concrete mixing and mixing. It will not produce cracks on the thick concrete structure, which is suitable for comparison. It is used on thick concrete structures such as dams, bridges, power stations, tunnels, etc. Welcome to contact us for consultation and negotiation !


Basic composition of refrigeration system


Compressor:The compressor is the core component of the entire refrigeration system and the source of power for refrigerant compression. Its function is to convert the input electrical energy into mechanical energy and compress the refrigerant cycle.

 

Evaporator:The evaporator is a heat exchange component that relies on the evaporation (actually boiling) of the refrigerant liquid to absorb the heat of the cooled medium. Its function in the refrigeration system is to absorb heat (or output cold capacity). In order to ensure that the evaporation process can be carried out stably and lastingly, a refrigeration compressor must be used to continuously pump the evaporated gas away to maintain a certain evaporation pressure.

 

Condenser:In the refrigeration process, the condenser plays a role in outputting heat energy and condensing the refrigerant. After the high-pressure superheated vapor discharged from the refrigeration compressor enters the condenser, all the heat absorbed during the working process, including the heat absorbed from the evaporator and refrigeration compressor and in the pipeline, is transferred to the surrounding medium by the cooling water Or the fan takes it away; the high-pressure superheated vapor of the refrigerant recondenses into a liquid. (According to different cooling media and cooling methods, condensers can be divided into three categories: shell and tube condensers, finned condensers, and evaporative condensers.)

 

Thermal expansion valve:In the refrigeration system, the thermal expansion valve is not only a flow control valve, but also a throttle valve in the refrigeration equipment. It is installed between the filter dryer and the evaporator in the refrigeration equipment, and its temperature sensing bag is wrapped At the exit of the evaporator. Its main function is to make the high-pressure and normal-temperature refrigerant liquid throttling and depressurize when flowing through the thermal expansion valve, turning into low-temperature and low-pressure refrigerant wet vapor (mostly liquid, a small part of steam) into the evaporator, and vaporized in the evaporator It absorbs heat and achieves the purpose of cooling the cold water.

 

Filter drier:In the refrigeration cycle, it is necessary to prevent the entry of moisture and dirt (oil, iron filings, copper filings), etc. The source of moisture is mainly the trace moisture contained in the newly added refrigerant and lubricating oil, or due to the overhaul of the system When the air enters and brings moisture. If the moisture in the system is not completely drained, when the refrigerant passes through the throttle valve (thermal expansion valve or capillary tube), the moisture will sometimes solidify into ice due to the drop in pressure and temperature, blocking the passage and affecting the normal operation of the refrigeration device. Therefore, a filter drier must be installed in the refrigeration system.

 

   Liquid receiver:The liquid receiver is installed after the condenser and is directly connected with the condenser's drain pipe. The refrigerant liquid of the condenser should flow into the liquid receiver unimpededly, so that the cooling area ofthe condenser can be fully utilized. On the other hand, when the heat load of the evaporator changes, the required amount of refrigerant liquid also changes. At that time, the accumulator plays the role of regulating and storing the refrigerant. For small chiller systems, liquid receivers are often not installed, but condensers are used to adjust and store refrigerant.

 

Refrigerant:Most industrial mold freezers used in modern industry use R407C or R404A as a refrigerant. Refrigerant is the flowing working fluid in the cold water system. Its main function is to carry heat and realize heat absorption and release when the state changes.


best screw compressor


Application of Concrete batch plant chiller


As a strong manufacturer in the refrigeration equipment industry, Oumal provides high-efficiency concrete mixing plant cooling water system solutions:

Screw chiller + cooling tower

This plan utilizes the original reservoir of the mixing station and adapts measures to local conditions.

The concrete chiller can provide: 1 ton/hour ~ 150 tons/hour concrete-specific chilled water or ice-water mixture, designed and produced according to the type of mobile chiller, the whole machine is shipped in a container mode, and only the user is required when it arrives in the industrial area. Equipped with a power supply, connect the pipes to use.

 concrete batch plant chiller solution




Specification 


  Item                        Model

OMC-200WSH

Cooling Capacity

kcal/h

683356

KW 

794.6

Ton

225.9

Btu/h

2711945

Input Power

KW 

153.8

Max.running Current

A

392

Power supply

3PH-380V/415V 50HZ(220V/440V  60HZ))

Refrigerant

Type

R22

Charge quantity

kg

140

Control Mode

Expansion Valve

Compressor

Type

Semi-Hermetic Screw

Power

KW 

153.8

Start-up Mode

Y-△

Capacity Control

0-25-50-75-100(0-33-66-100)

Evaporator

Type

Shell and Tube

Chilled water flow

m3/h

136.7

Pipe Diameter

lnch

6"

Condenser

Type

Shell and Tube

Cooling water flow

m3/h

163.1

Pipe Diameter

lnch

6"

Dimension

Length

mm

3460

Width

mm

1350

Height

mm

1760

Net Weight

kg

2950

Running Weight

kg

3210

Safety Protection: Compressor over temperature protection, over load protection, high and low pressure protection, anti-freezing protection, reversed and lacking phase protection, fusible blug, flow switch



Packing & Shipping



FAQ


Q1: Could you help us to recommend the model for our project?
A1: Yes, we have engineer to check the details and make the scheme for you. Based on the following:
1)Cooling capacity;
2)chilled water inlet and outlet temperature
3)chilled water flow
4) Refrigerant;
5) Ambient temperature;
6)Voltage;
7) Be used for what industry?
8)Any other special requirements?

Q2: How to ensure your product with good quality?
A2: All our products with CE certificate. And use the well-know brand accessories, such as copeland, danfoss,Hanbell, Bitzer compressor Emerson expansion Valve, Siemens controller.
also can be customized. All OUMAL Chillers are factory tested under load conditions to ensure good quality and easy installation for users

Q3: What's the warranty?
A3: 15 months warranty for free if confirmed by both side damage in the quality reason.

Q4: Whats your payment term?
A4: We accept T/T, LC, Western Union, etc. Normally, 30% deposit for production, 70% balance before shipment.

Q5: Are you a manufacturer?
A5: Yes, we have more than 15 years in water chiller business. Also have patent on the water chiller appearence.
The control box design make the unit safety and stably.

Q6: How can i Place an order ?
A6: Click Below to fill the table or Call 0086 15112554736



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