CN201963335U

CN201963335U - Novel underground ice-melting pool for mine cooling

Info

Publication number: CN201963335U
Application number: CN201120020963XU
Authority: CN
Inventors: 亓玉栋; 程卫民; 陈连军; 王刚; 潘刚; 周刚; 张睿; 聂文; 姚玉静; 于岩斌; 张佳彩
Original assignee: Shandong University of Science and Technology
Current assignee: Shandong University of Science and Technology
Priority date: 2011-01-24
Filing date: 2011-01-24
Publication date: 2011-09-07
Anticipated expiration: 2021-01-24

Abstract

The utility model discloses a novel underground ice-melting pond for mine cooling, which comprises an ice-melting chamber, a cold water chamber and a return water chamber, a filter screen is arranged between the ice-melting chamber and the cold water chamber, and a filter screen is arranged between the ice-melting chamber and the return water chamber. There is a divider between them, and an orifice is set at the bottom of the divider. The ice melting chamber is connected to the ice delivery pipeline, the return water chamber is connected to the return water pipeline and the overflow pipeline respectively, and the cold water chamber is connected to the water outlet pipe. road. The utility model is ingeniously designed. When the sum of the amount of melted ice delivered by the ice delivery pipeline and the water flowing into the return chamber through the return pipeline exceeds the water output of the outlet pipeline, the excess water will be released by the overflow provided on the return chamber. The overflow water is returned water with a relatively high temperature, which effectively avoids the overflow of ice water and the loss of cooling capacity, thereby reducing the outlet water temperature.

Description

A kind of novel mine cooling is used ice-melt pond, down-hole

Technical field

The utility model relates to the ice melting system in a kind of mine ice refrigeration cool-down system, is specifically related to a kind of novel mine cooling with ice-melt pond, down-hole.

Background technology

Along with the increase of the pit mining degree of depth and the raising of mining machinery level, the quantity of China's high-temperature mine increases day by day, and heat evil degree also is on the rise.Statistics in recent years shows that China existing more than 140 elevated temperature heat evil problem occurred to above mine, and is right surplus wherein the mine of getting working face wind-warm syndrome above 30 ℃ reached 60.Particularly enter after the nineties, many mining areas enter deep mining in succession, and on average adopting of colliery dark develops into 700 present～800m from 200～300m of the fifties, increases progressively every year on average about 10m, and the mine of km vertical shaft and dark nearly km occurs.Along with the increase of mining depth, the increase of work plane installed capacity, the heat radiation of rock heat, electromechanical equipment, the heat radiation etc. of adopting the coal breakage charcoal will further increase, and make elevated temperature heat evil problem more outstanding.Elevated temperature heat evil has become the major natural disasters with gas, mine dust, water, the row of fighting, has been subjected to the common concern of domestic and international mining circle, especially the key subjects that need to be resolved hurrily that faced of China's coal-mine deep mining.

For administering deep-well heat evil, generally adopt mechanically refrigerated cooling method both at home and abroad, particularly in recent years on the basis that absorbs external mine cooling technology, China's part high-temperature mine has adopted ice refrigeration cool-down system.This system has compared following advantage with traditional water refrigeration system: the defeated cold cooling system of ice adopts liquid-solid-phase changeable, and defeated cold energy power improves, when the same cold of delivered downhole, and available less caliber, tubing is economized; The ice-water mixed medium temperature is low, output minimizing, pump power and air cooler size etc. can correspondingly reduce; Do not need high-pressure heat-exchange device, system is simple, and the Operation and Maintenance expense is low; The deslination that water build-ups ice can be improved the water quality of down-hole water system, helps reducing the incrustation of inner-walls of duct and improves the heat exchange effect; Chiller plant is installed in ground, and electric fixtures need not anti-riot, and the heat that has produced when also having exempted simultaneously the work of down-hole chiller plant and power-equipment thereof reduces the refrigeration duty of down-hole.Adopting one of present its technological difficulties of ice refrigeration cool-down technology is the thawing problem of ice.

Ice-melt pond, down-hole in the ice-cold cooling system of a kind of mine has been proposed in the disclosed Chinese patent on January 19th, 2004 (application number is 200420002465.2), this device is made by the steel plate welding, comprise thawing room and cold water chamber's two parts, utilize the work plane backwater to realize the ice-melt of down-hole preferably.But there is the water balance that can not solve the ice-melt pond in this device, is easy to take place overflow, and the overflow water yield is frozen water, discharges the water yield of cold water and loss of refrigeration capacity than problems such as height.

The utility model content

In order to solve the problems of the technologies described above, the utility model provides a kind of novel mine cooling to use ice-melt pond, down-hole.

Its technical solution is:

A kind of novel mine cooling is used ice-melt pond, down-hole, comprise thawing room and cold water chamber, between thawing room and cold water chamber, be provided with filter screen, described ice-melt pond also comprises a backwater room, be provided with spacer body between described backwater room and the thawing room, in the bottom of spacer body one aperture be set, described thawing room is communicated with defeated ice pipeline, described backwater room is communicated with water return pipeline and overflow passage respectively, and described cold water chamber is communicated with outlet pipeline.

Above-mentioned spacer body is body of wall or plate body, and above-mentioned aperture is opened in the place, centre position, bottom of body of wall or plate body.

Being shaped as of above-mentioned aperture is square or circular.

The integral body in above-mentioned ice-melt pond is the sealing rectangular structure, and the bottom surface in above-mentioned ice-melt pond and four sides be that the steel plate welding is made or construct for constructional materials and to make, and all lays adiabator layer on its surface, and the end face in above-mentioned ice-melt pond is to be incubated cover plate.

Above-mentioned insulation cover plate is all offered the maintenance overhaul hole in the position of corresponding cold water chamber, thawing room and backwater room.

Useful technique effect of the present utility model is:

The utility model design is ingenious, when the water yield after defeated ice pipeline is carried the rubble ice thawing surpasses the outlet pipeline water yield with the water yield sum that flows into backwater room through water return pipeline, the unnecessary water yield is discharged by the overflow passage that is provided with in the backwater room, the overflow water yield is the higher backwater of relative temperature, effectively avoid the overflow of frozen water and the loss of cold, and then reduced the water outlet water temperature.

Description of drawings

The utility model is described in further detail below in conjunction with accompanying drawing and the specific embodiment:

Fig. 1 is a structural representation of the present utility model.

The specific embodiment

In conjunction with the accompanying drawings, a kind of novel mine cooling is used ice-melt pond, down-hole, comprise thawing room 1, cold water chamber 2 and backwater room 3, cold water chamber 2 is positioned at the left side of thawing room 1, be provided with filter screen 4 between cold water chamber 2 and thawing room 1, backwater room 3 is positioned at the right side of thawing room 1, is provided with body of wall 5 between backwater room 3 and thawing room 1, the place offers aperture 6 in the centre position, bottom of body of wall 5, aperture 6 be shaped as square.Top in thawing room 1 is provided with perforate, and be connected with defeated ice pipeline 7 by perforate, top in backwater room 3 is provided with perforate, and be connected with water return pipeline 8 by perforate, be provided with perforate on backwater room 3 and body of wall 5 parallel tops, side, and be connected with overflow passage 9 by perforate, be provided with perforate in cold water chamber 2 and filter screen 4 parallel bottoms, side, and be connected with outlet pipeline 10 by perforate.During use, defeated ice pipeline 7 is carried rubble ice to thawing room 1, water return pipeline 8 is carried the downhole cooling backwater to backwater room 3, backwater enters ice-melt in the thawing room 1 through the aperture 6 that body of wall 5 bottoms are offered again, melt back cold water and flow out through outlet pipeline 10, the rubble ice of Rong Huaing is not intercepted in thawing room 1 by filter screen 4.When the water yield after defeated ice pipeline is carried the rubble ice thawing surpasses the outlet pipeline water yield with the water yield sum that flows into backwater room through water return pipeline, the unnecessary water yield is discharged by the overflow passage 9 that backwater room 3 tops are provided with, guaranteed that overflow water is a backwater, avoided the overflow of frozen water, prevented and treated the loss of the outlet pipeline 10 discharge cold water water yields and cold, reduce the water temperature of cold water, improved the cryogenic energy utilization rate.In addition, the body of wall 5 that is provided with between thawing room 1 and the backwater room 3 has prevented that effectively frozen water and floating ice in the thawing room 1 from entering in the backwater room 3, and the overflow of having avoided frozen water is with lost.

The integral body in above-mentioned ice-melt pond is the rectangular structure of sealing, the bottom surface in ice-melt pond is all adopted steel concrete to construct with four sides all around and is formed, and all lay adiabator layer in the bottom surface in ice-melt pond and four sides all around, further prevent the loss of frozen water cold; In addition, movable insulation cover plate 11 is adopted at the top in ice-melt pond, and the setting of insulation cover plate 11 is similarly the loss that prevents the frozen water cold.Above-mentioned defeated ice pipeline 7 all inserts thawing room 1 and backwater room 3 respectively by the perforate of corresponding position on the insulation cover plate 11 with water return pipeline 8, and insulation cover plate 11 all offers maintenance overhaul hole 12 in corresponding thawing room 1, cold water chamber 2 with the position of backwater room 3, makes things convenient for repair and maintenance.

The bottom surface in above-mentioned ice-melt pond and four sides also can be made by the steel plate welding, between thawing room 1 and backwater room 3 body of wall 5 are set accordingly, also the aperture 6 of body of wall 5 bottoms can be offered to be circular or other shapes.

Need to prove, any equivalent way that those skilled in the art have done under the instruction of this manual, or obviously variant all should be in protection domain of the present utility model.

Claims

1. a novel mine cooling is used ice-melt pond, down-hole, comprise thawing room and cold water chamber, between thawing room and cold water chamber, be provided with filter screen, it is characterized in that: described ice-melt pond also comprises a backwater room, be provided with spacer body between described backwater room and the thawing room, in the bottom of spacer body one aperture be set, described thawing room is communicated with defeated ice pipeline, described backwater room is communicated with water return pipeline and overflow passage respectively, and described cold water chamber is communicated with outlet pipeline.

2. a kind of novel mine cooling according to claim 1 is used ice-melt pond, down-hole, and it is characterized in that: described spacer body is body of wall or plate body, and described aperture is opened in the place, centre position, bottom of body of wall or plate body.

3. a kind of novel mine cooling according to claim 1 and 2 is used ice-melt pond, down-hole, and it is characterized in that: being shaped as of described aperture is square or circular.

4. a kind of novel mine cooling according to claim 1 is used ice-melt pond, down-hole, it is characterized in that: the integral body in described ice-melt pond is the sealing rectangular structure, the bottom surface in described ice-melt pond and four sides are that the steel plate welding is made or construct for constructional materials and to make, and all laying adiabator layer on its surface, the end face in described ice-melt pond is the insulation cover plate.

5. a kind of novel mine cooling according to claim 4 is used ice-melt pond, down-hole, and it is characterized in that: described insulation cover plate is all offered the maintenance overhaul hole in the position of corresponding cold water chamber, thawing room and backwater room.