CN203867604U - Cold and hot water pressure exchanging system applied to deep thermal-damage mine - Google Patents
Cold and hot water pressure exchanging system applied to deep thermal-damage mine Download PDFInfo
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- CN203867604U CN203867604U CN201420311990.6U CN201420311990U CN203867604U CN 203867604 U CN203867604 U CN 203867604U CN 201420311990 U CN201420311990 U CN 201420311990U CN 203867604 U CN203867604 U CN 203867604U
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Abstract
The utility model discloses a cold and hot water pressure exchanging system applied to a deep thermal-damage mine. The cold and hot water pressure exchanging system is characterized in that a ground refrigerating unit, a cooling tower, a water tank, an above-mine circulating water pump, a pressure exchanging device, an under-mine circulating water pump and an air cooler are included, the cooling tower is connected with the ground refrigerating unit which is connected with the above-mine circulating water pump, the above-mine circulating water pump conveys high-pressure cold water to the pressure exchanging device, cold water after pressure reduction is conveyed to a cooling area through a low-pressure heat preservation pipeline to be supplied for the air cooler, and hot water after temperature reduction is conveyed back to the pressure exchanging device through a water return pipeline; the pressure exchanging device is connected with the under-mine circulating water pump which is connected with the water tank, and the water tank is connected with the ground refrigerating unit. The cold and hot water pressure exchanging system can efficiently reduce pressure, reduce cold loss, and achieve the purpose of reducing pressure of high-pressure cold water to form low-pressure cold water.
Description
Technical field
The utility model relates to a kind of mine hot water or cold water exchange system, particularly a kind of hot and cold water pressure-exchange system in deep heat evil mine application.
Background technology
Along with the pit mining degree of depth strengthens, while causing the cold water of grass central refrigerating unit to be transported to down-hole, the static pressure of water is just considerably beyond the pressure-bearing scope of end air cooler, this high-low pressure switch can make high-pressure cold water pressure decreased to meeting air cooler instructions for use, and refrigerating loss is minimum.This device utilizes U-shaped pipe principle, and inlet channel, water return pipeline form a U-shaped pipe, realizes high-pressure cold water the hot water of low pressure is pushed on ground, thereby realize energy exchange, does not just need with pump directly by delivery to ground reduction operating cost.But for whole cooling system, how low pressure cold water is fallen into efficiently in high-pressure cold water; How to improve the application life of conversion valve; How to reduce the blending between cold water and hot water.
Therefore need a kind of efficiently step-down, and reduce the device of refrigerating loss, realize the object hot and cold water pressure-exchange system that high-pressure cold water step-down becomes low pressure cold water.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of hot and cold water pressure-exchange system in deep heat evil mine application, and this system can reach the object that high-pressure cold water step-down becomes the husky water of low pressure cold efficiently.
The purpose of this utility model is achieved through the following technical solutions, a hot and cold water pressure-exchange system of applying in the heat evil mine of deep, comprises ground refrigeration unit, cooling tower, water tank, aboveground circulating water pump, pressure exchanger, down-hole circulating water pump and air cooler; Described cooling tower is connected with ground refrigeration unit, described ground refrigeration unit is connected with aboveground circulating water pump, described circulating water pump is transported to pressure exchanger by high-pressure cold water, cold water after step-down is transported to cooling region supply air cooler by low-voltage temperature-keeping pipeline and uses, and the hot water after cooling is transmitted back to pressure exchanger by water return pipeline; Described pressure exchanger is connected with down-hole circulating water pump, and described down-hole circulating water pump is connected with water tank, and described water tank is connected with ground refrigeration unit.
Further, also comprise Hydraulic Station and centralized-control center unit, down-hole, described Hydraulic Station is connected with pressure exchanger, and centralized-control center unit, described down-hole comprises monitoring and alarm system, Industrial Personal Computer (IPC), data acquisition card; Described data acquisition card, monitoring and alarm system are connected with Industrial Personal Computer (IPC) respectively, and described Industrial Personal Computer (IPC) is connected with Hydraulic Station, ground refrigeration unit respectively.
Further, also comprise the super vent unit of backwater and circulating water treatment unit, water through air cooler flow in pressure exchanger through backwater overpressure relief unit, circulating water treatment unit successively, the super vent unit of described backwater comprises pressure sensor, guide electromagnetic valve and safety valve, described air cooler is by two-way pipeline and water circulation processing unit, described pressure sensor and guide electromagnetic valve set gradually therein on a road pipeline, and described safety valve is arranged on another road pipeline; Described water circulation processing unit comprises prefilter and automatic filter, and described prefilter is arranged at low pressure recycle pipeline water side; Described automatic filter is arranged between the water side and down-hole circulating water pump entrance of prefilter.
Further, described pressure exchanger comprises the threeway water dispenser that is arranged on high-pressure cold water water inlet pipe end, in the cavity of the high-pressure cold water that reaches pressure exchanger water inlet pipe end from ground chiller plant by threeway water dispenser feed pressure switch, form low pressure cold water, described low pressure cold water is sent to air cooler through threeway water dispenser, between the high-pressure cold water water inlet pipe of described pressure exchanger and threeway water dispenser, be provided with valve, between described threeway water level distributor and air cooler, be provided with valve, described Hydraulic Station comprises hydraulic cylinder, described valve is connected with the push rod of hydraulic cylinder, on described hydraulic cylinder body, be provided with two position sensors, by the travel position of position sensor perception hydraulic push rod.
Further, described air cooler comprises strainer, quo of local Fan for Mine, air intake vent, heat-exchanging component and air outlet, described strainer, quo of local Fan for Mine, air intake vent, heat-exchanging component and air outlet are communicated with from front to back successively, described heat-exchanging component comprise at least two removably serial connection Heat Rooms and with the Heat Room corresponding heat exchange coil being arranged in Heat Room for air and chilled water heat exchange one by one, between adjacent Heat Room, be interconnected, between the heat exchange coil in adjacent Heat Room, be interconnected removably; In described heat exchange coil, the throughput direction of chilled water is extremely front after serving as reasons.
Further, described hydraulic cylinder is connected by hydraulic oil pipe with two point control electromagnetic valve, by the turnover of hydraulic pressure in two point control solenoid control hydraulic cylinder.
Useful technique effect:
The utility model is monitored cooling system by centralized monitoring system, and the control of each control object and equipment working state and environment on coalface situation are monitored; And, can realize centralized-control center and ground chiller plant control centre carries out real-time exchanges data, according to down-hole cooling load, control the operating mode of ground chiller plant, the operating mode of ground chiller plant and actual cooling load are matched, reduce the operation energy consumption of chiller plant; The refrigerating capacity load total according to each work plane, matches chilled water and work plane refrigeration demand, has realized the energy-conservation of refrigeration link, and has reduced the operating cost of system water circulation, and the opening and closing of hydraulic valve are dynamically controlled; Realize simultaneously system core equipment is carried out to malfunction monitoring.
Heat Room described in the utility model in air cooler is designed to detachable, can determine Heat Room quantity according to the size of refrigerating capacity, uses and is convenient to flexibly transportation, installs and keeps in repair; This air cooler has automatic cleaning function, and heat exchange property is stable, long service life.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein:
Fig. 1 is hot and cold water pressure-exchange system architecture diagram;
Fig. 2 is overpressure relief block construction figure;
Fig. 3 is air cooler structure chart.
The specific embodiment
Below with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail; Should be appreciated that preferred embodiment is only for the utility model is described, rather than in order to limit protection domain of the present utility model.
As shown in Figure 1, a kind of hot and cold water pressure-exchange system of applying in the heat evil mine of deep, comprises ground refrigeration unit, cooling tower, water tank, aboveground circulating water pump, pressure exchanger, down-hole circulating water pump and air cooler; Described cooling tower is connected with ground refrigeration unit, described ground refrigeration unit is connected with aboveground circulating water pump, described circulating water pump is transported to pressure exchanger by high-pressure cold water, cold water after step-down is transported to cooling region supply air cooler by low-voltage temperature-keeping pipeline and uses, and the hot water after cooling is transmitted back to pressure exchanger by water return pipeline; Described pressure exchanger is connected with down-hole circulating water pump, and described down-hole circulating water pump is connected with water tank, and described water tank is connected with ground refrigeration unit.
In the present embodiment, hot and cold water pressure-exchange system also comprises Hydraulic Station and centralized-control center unit, down-hole, and described Hydraulic Station is connected with pressure exchanger, and centralized-control center unit, described down-hole comprises monitoring and alarm system, Industrial Personal Computer (IPC), data acquisition card; Described data acquisition card, monitoring and alarm system are connected with Industrial Personal Computer (IPC) respectively, and described Industrial Personal Computer (IPC) is connected with Hydraulic Station; Described Industrial Personal Computer (IPC) is connected with Hydraulic Station, ground refrigeration unit respectively.Centralized-control center unit, described down-hole also comprises pressure piping flow transmitter, low pressure pipeline flow transmitter, chamber pressure sensor, the hydraulic control valve being connected with data acquisition card respectively, described pressure piping flow transmitter is arranged at the cold water side of cycle of higher pressure pipeline for gathering the flow signal of cycle of higher pressure pipeline liquid, described low pressure pipeline flow transmitter is arranged at the hot water side of low pressure recycle pipeline for gathering the flow signal of low pressure recycle pipeline liquid, described chamber pressure sensor setting is used for gathering the pressure signal in water energy crossover connection in the threeway water dispenser place of water energy crossover connection, described flow signal and pressure signal are input to respectively the input of the data acquisition module of industrial control computer, the output of described industrial control computer and hydraulic control valve are connected and control the switch motion of hydraulic control valve, described down-hole collection control centre unit is for duty and the environment on coalface situation of monitor force switch, carry out real-time exchanges data with the control centre of ground refrigeration unit, according to down-hole cooling load, control the operating mode of ground refrigeration unit, according to the refrigerating capacity load that each work plane is total, motorized adjustment valve opening is controlled, described monitoring and alarm system for analysis judgment system status signal and control corresponding system mode, is monitored system operation situation simultaneously, described Industrial Personal Computer (IPC), for controlling the opening and closing of the electromagnetic valve of Hydraulic Station, described data acquisition card, for the state parameter of acquisition control system.
Also comprise the super vent unit of backwater and circulating water treatment unit, water through air cooler flow in pressure exchanger through backwater overpressure relief unit, circulating water treatment unit successively, the super vent unit of described backwater comprises pressure sensor 9, guide electromagnetic valve 10 and safety valve 11, described air cooler is by two-way pipeline and water circulation processing unit, described pressure sensor and guide electromagnetic valve set gradually therein on a road pipeline, and described peace body valve is arranged on another road pipeline; Described water circulation processing unit comprises prefilter and automatic filter, and described prefilter is arranged at low pressure recycle pipeline water side; Described automatic filter is arranged between the water side and down-hole circulating water pump entrance of prefilter.When pressure surpasses the setting value of safety valve, the super vent unit of backwater is opened, and pressure is maintained in allowed limits; When pressure sensor records the scope that pressure exceeds permission, and safety valve is not when work, and guide electromagnetic valve intervention work, maintains pressure in allowed limits.By being used in conjunction with of guide electromagnetic valve, safety valve and pressure sensor, guarantee that backwater overpressure relief unit is in running order.
Described pressure exchanger comprises the threeway water dispenser that is arranged on high-pressure cold water water inlet pipe end, in the cavity of the high-pressure cold water that reaches pressure exchanger water inlet pipe end from ground chiller plant by threeway water dispenser feed pressure switch, form low pressure cold water, described low pressure cold water is sent to air cooler through threeway water dispenser, between the high-pressure cold water water inlet pipe of described pressure exchanger and threeway water dispenser, be provided with valve, between described threeway water level distributor and air cooler, be provided with valve, described Hydraulic Station comprises hydraulic cylinder, hydraulic cylinder is connected with valve by longer push rod, when push rod outwards promotes, valve opening, when push rod resets, valve is closed under self spring action, on described hydraulic cylinder body, be provided with two position sensors, by the travel position of position sensor perception hydraulic push rod, thus the on off state of definite valve.Described hydraulic cylinder is connected by hydraulic oil pipe with two point control electromagnetic valve, by the turnover of hydraulic pressure in two point control solenoid control hydraulic cylinder.
As shown in Figure 3, described air cooler comprises strainer 1, quo of local Fan for Mine 2, air intake vent 3, heat-exchanging component and air outlet 5, described strainer 1, quo of local Fan for Mine 2, air intake vent 3, heat-exchanging component and air outlet 5 are communicated with from front to back successively, described heat-exchanging component comprise at least two removably serial connection Heat Rooms and with the Heat Room 4 corresponding interior heat exchange coil 6 for air and chilled water heat exchange of Heat Room 4 that is arranged at one by one, between adjacent Heat Room, be interconnected, between the heat exchange coil in adjacent Heat Room, be interconnected removably; In described heat exchange coil, the throughput direction of chilled water is extremely front after serving as reasons.In the present embodiment, the Heat Room in described air cooler is designed to detachable, can determine Heat Room quantity according to the size of refrigerating capacity, uses and is convenient to flexibly transportation, installs and keeps in repair; This air cooler has automatic cleaning function, and heat exchange property is stable, long service life.
Also comprise and heat exchange coil spray equipment one to one, described spray equipment comprises spray header 7, at least two orbit (not shown)s that are arranged on the nozzle 8 on spray header, mobile transverse tube (not shown) and can move left and right for mobile transverse tube, described nozzle is connected with spray header by flexible pipe, and described nozzle is arranged on mobile transverse tube; Described nozzle is positioned at Heat Room, and its jet is towards heat exchange coil, between spray header corresponding to adjacent Heat Room, is interconnected removably.In the utility model; can adopt motor-driven mode that mobile transverse tube is moved on operation rail; in order to protect the flexible pipe that connects nozzle and spray header; can drag chain be set in flexible pipe periphery; can the stroke of mobile transverse tube be set by the mode of encoder, also can limit by travel switch.
The utility model is monitored cooling system by centralized monitoring system, and the control of each control object and equipment working state and environment on coalface situation are monitored; And, can realize centralized-control center and ground chiller plant control centre carries out real-time exchanges data, according to down-hole cooling load, control the operating mode of ground chiller plant, the operating mode of ground chiller plant and actual cooling load are matched, reduce the operation energy consumption of chiller plant; The refrigerating capacity load total according to each work plane, matches chilled water and work plane refrigeration demand, has realized the energy-conservation of refrigeration link, and has reduced the operating cost of system water circulation, and the opening and closing of hydraulic valve are dynamically controlled; Realize simultaneously system core equipment is carried out to malfunction monitoring.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (6)
1. a hot and cold water pressure-exchange system of applying in the heat evil mine of deep, is characterized in that: comprise ground refrigeration unit, cooling tower, water tank, aboveground circulating water pump, pressure exchanger, down-hole circulating water pump and air cooler; Described cooling tower is connected with ground refrigeration unit, described ground refrigeration unit is connected with aboveground circulating water pump, described circulating water pump is transported to pressure exchanger by high-pressure cold water, cold water after step-down is transported to cooling region supply air cooler by low-voltage temperature-keeping pipeline and uses, and the hot water after cooling is transmitted back to pressure exchanger by water return pipeline; Described pressure exchanger is connected with down-hole circulating water pump, and described down-hole circulating water pump is connected with water tank, and described water tank is connected with ground refrigeration unit.
2. the hot and cold water pressure-exchange system of applying in the heat evil mine of deep according to claim 1, it is characterized in that: also comprise Hydraulic Station and centralized-control center unit, down-hole, described Hydraulic Station is connected with pressure exchanger, and centralized-control center unit, described down-hole comprises monitoring and alarm system, Industrial Personal Computer (IPC), data acquisition card; Described data acquisition card, monitoring and alarm system are connected with Industrial Personal Computer (IPC) respectively, and described Industrial Personal Computer (IPC) is connected with Hydraulic Station, ground refrigeration unit respectively.
3. the hot and cold water pressure-exchange system of applying in the heat evil mine of deep according to claim 1, it is characterized in that: also comprise the super vent unit of backwater and circulating water treatment unit, water through air cooler passes through backwater overpressure relief unit successively, circulating water treatment unit flow in pressure exchanger, the super vent unit of described backwater comprises pressure sensor, guide electromagnetic valve and safety valve, described air cooler is by two-way pipeline and water circulation processing unit, described pressure sensor and guide electromagnetic valve set gradually therein on a road pipeline, described safety valve is arranged on another road pipeline, described water circulation processing unit comprises prefilter and automatic filter, and described prefilter is arranged at low pressure recycle pipeline water side, described automatic filter is arranged between the water side and down-hole circulating water pump entrance of prefilter.
4. the hot and cold water pressure-exchange system of applying in the heat evil mine of deep according to claim 1, it is characterized in that: described pressure exchanger comprises the threeway water dispenser that is arranged on high-pressure cold water water inlet pipe end, in the cavity of the high-pressure cold water that reaches pressure exchanger water inlet pipe end from ground chiller plant by threeway water dispenser feed pressure switch, form low pressure cold water, described low pressure cold water is sent to air cooler through threeway water dispenser, between the high-pressure cold water water inlet pipe of described pressure exchanger and threeway water dispenser, be provided with valve, between described threeway water level distributor and air cooler, be provided with valve, described Hydraulic Station comprises hydraulic cylinder, described valve is connected with the push rod of hydraulic cylinder, on described hydraulic cylinder body, be provided with two position sensors, by the travel position of position sensor perception hydraulic push rod.
5. the hot and cold water pressure-exchange system of applying in the heat evil mine of deep according to claim 1, it is characterized in that: described air cooler comprises strainer, quo of local Fan for Mine, air intake vent, heat-exchanging component and air outlet, described strainer, quo of local Fan for Mine, air intake vent, heat-exchanging component and air outlet are communicated with from front to back successively, described heat-exchanging component comprise at least two removably serial connection Heat Rooms and with the Heat Room corresponding heat exchange coil being arranged in Heat Room for air and chilled water heat exchange one by one, between adjacent Heat Room, be interconnected, between heat exchange coil in adjacent Heat Room, be interconnected removably, in described heat exchange coil, the throughput direction of chilled water is extremely front after serving as reasons.
6. the hot and cold water pressure-exchange system of applying in the heat evil mine of deep according to claim 5, is characterized in that: described hydraulic cylinder is connected by hydraulic oil pipe with two point control electromagnetic valve, by the turnover of hydraulic pressure in two point control solenoid control hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420311990.6U CN203867604U (en) | 2014-06-12 | 2014-06-12 | Cold and hot water pressure exchanging system applied to deep thermal-damage mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420311990.6U CN203867604U (en) | 2014-06-12 | 2014-06-12 | Cold and hot water pressure exchanging system applied to deep thermal-damage mine |
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| CN203867604U true CN203867604U (en) | 2014-10-08 |
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| CN201420311990.6U Active CN203867604U (en) | 2014-06-12 | 2014-06-12 | Cold and hot water pressure exchanging system applied to deep thermal-damage mine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005784A (en) * | 2014-06-12 | 2014-08-27 | 中煤科工集团重庆研究院有限公司 | Cold and hot water pressure exchange system applied to deep heat-damaged mine |
| CN106545359A (en) * | 2015-09-23 | 2017-03-29 | 武汉星田热环境控制技术有限公司 | A kind of refrigeration station equipment method for arranging |
| CN106837403A (en) * | 2017-04-01 | 2017-06-13 | 中国矿业大学 | Underground coal mine refrigeration ground heat-extraction system and method based on power plant cooling water |
-
2014
- 2014-06-12 CN CN201420311990.6U patent/CN203867604U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104005784A (en) * | 2014-06-12 | 2014-08-27 | 中煤科工集团重庆研究院有限公司 | Cold and hot water pressure exchange system applied to deep heat-damaged mine |
| CN106545359A (en) * | 2015-09-23 | 2017-03-29 | 武汉星田热环境控制技术有限公司 | A kind of refrigeration station equipment method for arranging |
| CN106837403A (en) * | 2017-04-01 | 2017-06-13 | 中国矿业大学 | Underground coal mine refrigeration ground heat-extraction system and method based on power plant cooling water |
| CN106837403B (en) * | 2017-04-01 | 2019-02-19 | 中国矿业大学 | Underground coal mine refrigeration ground heat-extraction system and method based on power plant cooling water |
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