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Concrete aggregate cooling tank and operation thereof

A technology of concrete aggregate and operation method, applied in chemical instruments and methods, clay preparation devices, cement mixing devices, etc., can solve the problems of loss of low-temperature water, increased energy consumption, complicated operation, etc. The effect of improving work efficiency and improving operating conditions

Active Publication Date: 2006-08-16
HUADIAN ELECTRIC POWER SCI INST CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that air cooling is more wasteful of resources and energy consumption than water cooling
However, the old-style aggregates are water-cooled, and the sand is washed with cold water, which loses low-temperature water and is replaced by normal-temperature water. The utilization rate of cooling capacity is low, the water treatment system is huge, and the environment is deteriorated. Moreover, the production capacity is low and the operation is complicated.

Method used

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  • Concrete aggregate cooling tank and operation thereof
  • Concrete aggregate cooling tank and operation thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0022] Such as figure 1 As shown, this embodiment is composed of a tank body 1, a feeding belt machine 5, a rotary telescopic belt machine 4, a dewatering screen 9, a slag collecting bucket 10 and a discharge belt machine 11, wherein the rotary telescopic belt machine 4 is arranged on the tank body Above 1, a feeding belt machine 5 is provided on the rotary telescopic belt machine 4, and a tank compartment 2 is provided in the tank body 1, and the tank compartment 2 divides the tank body 1 into two feed bins 3, and each feed bin 3 The lower part of the tank is provided with a discharge door 6, the discharge door 6 is composed of an outer door 7 and an inner door 8, the bottom of the tank body 1 is also provided with a drain pipe 12, and the bottom of the discharge door 6 is provided with a dehydration screen 9, a dehydration screen 9 The bottom of the screen is provided with a slag collecting bucket 10, and the side of the dewatering screen 9 is provided with a discharge belt ...

Embodiment 2

[0025] Such as figure 2 As shown, this embodiment is composed of a tank body 1, a feeding belt machine 5, a guide groove 13, a dewatering screen 9, a slag collecting bucket 10 and a discharge belt machine 11, wherein the guide groove 13 is arranged above the tank body 1, A feeding belt machine 5 is provided on the guide groove 13, a tank compartment 2 is provided in the tank body 1, and the tank compartment 2 divides the tank body 1 into four silos 3, and a discharge device is arranged at the bottom of each silo 3. The door 6 and the discharge door 6 are composed of an outer door 7 and an inner door 8. The bottom of the tank body 1 is also provided with a drain pipe 12, and a dewatering screen 9 is provided under the discharge door 6, and a slag collection is provided at the bottom of the dewatering screen 9. Water bucket 10, the side of dewatering screen 9 is provided with discharge belt machine 11.

[0026] When working, close the inner door 8 and the outer door 7, properl...

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Abstract

A concrete aggregate cooling tank is composed of tank body, rotary expasion band unit or guide slot on said tank body, partitions for dividing the tank body into multiple material cabins, and the material discharging gate and water draining tube for each material cabin. Its operation method features counter-current cooling, that is, high-speed cooling by using low-temp water for incoming high-temp aggregate, cyclic cooling, and use of the drained cold water to coal lower aggregate. Its advantages are high cooling speed and less energy consumption.

Description

technical field [0001] The invention relates to a concrete aggregate cooling tank and an operation method thereof, which is mainly used in the precooling of concrete aggregate. Background technique [0002] The initial cooling of the aggregate of the dam concrete, in the early days of our country, used the tank cooling method of cooling the material tank with water, and after the machine spray water cooling was introduced to the United States and Brazil in the 1980s, the tank cooling almost disappeared in our country. At the end of the 1990s, secondary air cooling emerged again, and spray cooling also tended to be eliminated. In fact, water is used as the refrigerant, and the cooling coefficient of cold water is as high as 4, which is twice as high as the final cooling of the cold air in the ice-making and mixing buildings. The heat capacity of water is 3200 times that of air by volume and 4 times that of air by mass. The heat release coefficient of the aggregate and the l...

Claims

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Application Information

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IPC IPC(8): B28C5/46
Inventor 翁定伯陈雄震
Owner HUADIAN ELECTRIC POWER SCI INST CO LTD