CN202442550U - System capable of recycling part of waste energy in return air of mine - Google Patents
System capable of recycling part of waste energy in return air of mine Download PDFInfo
- Publication number
- CN202442550U CN202442550U CN2012200452715U CN201220045271U CN202442550U CN 202442550 U CN202442550 U CN 202442550U CN 2012200452715 U CN2012200452715 U CN 2012200452715U CN 201220045271 U CN201220045271 U CN 201220045271U CN 202442550 U CN202442550 U CN 202442550U
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- heat exchanger
- mine return
- air
- mine
- return air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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Abstract
The utility model relates to a system capable of recycling part of waste energy in the return air of a mine. The system is characterized by comprising a mine air returning airduct, an external heat exchanger, a draught fan, more than one group of heat pump units and user equipment, wherein an air inlet of the mine air returning airduct is arranged at an air outlet of a diffusing tower, area of the air inlet of the mine air returning airduct is smaller than that of the air outlet of the diffusing tower, the air outlet of the mine air returning airduct is connected to a housing of the external heat exchanger, the air outlet of the housing of the external heat exchanger is connected with the draught fan, each heat pump unit comprises a built-in heat exchanger, a compressor and an expansion valve, each compressor is provided with a reversing valve, a housing of each built-in heat exchanger is communicated with a heat exchange pipe of the external heat exchanger through the corresponding compressor and the corresponding expansion valve, a refrigerating working medium is filled in each built-in heat exchanger, and the heat exchange pipe of each built-in heat exchanger is communicated with the user equipment. According to the utility model, part of waste energy in the return air of the mine can be recycled to realize heating in winter and refrigerating in summer for buildings nearby an air shaft; and the system has the effects of energy saving and emission reduction.
Description
Technical field
The utility model relates to a kind of wasted energy recycling system, particularly about a kind of wasted energy recycling system that part low-temperature heat quantity or cold in the coal mine return air source are recycled.
Background technology
At present, the domestic hot-water's of the antifreeze and worker's bathing of holding office of the building and heating, the pit shaft that need of most domestic colliery industrial site heat energy all is to be provided by coal-burning boiler.This traditional heat-supplying mode not only can consume a large amount of non-renewable energy resources; Also can discharge the pollutant that a large amount of greenhouse gases etc. are unfavorable for environmental protection simultaneously; Do not meet the policy that China improves energy resource structure and strengthen environmental protection, and the development trend of using the cleaning high-grade energy.
Generally speaking, coal mine return air amount is sufficient, and return air source temperature, humidity do not receive the influence of atmospheric temperature and conversion in season, keep constant basically, are a kind of good low-temperature heat sources.Therefore, how recycling in the coal mine return air source low-temperature heat quantity or cold is an important problem.At present, researched and developed in the correlation technique and aim at colliery life, produce the mine return air source heat pump system that required heat energy or cold are provided.But for the not high situation of some thermic load demands,, recycle whole mine return air source heat energy, provide the feasibility of required thermic load not high for coalman's industry square as through border ventilating shaft away from the colliery surface plant.Because the used heat aboundresources that mine return air contains, if all recycle, heating load is greater than the required thermic load of user; Can cause unit load high, the investment operating cost is excessive, and the heat energy that is reclaimed is not fully utilized; Can cause energy waste, the benefit of energy-saving and emission-reduction is not high yet.Therefore need a kind of of research and development that part wasted energy in the mine return air source is reclaimed, the wasted energy recycling system of institute's calorific requirement or cold being provided near the heating and refrigeration equipment of building such as the night shift room ventilating shaft for example, with realize efficiently, reasonably energy-saving and emission-reduction.
Summary of the invention
To the problems referred to above, the purpose of the utility model provides and a kind ofly can reclaim part low-temperature heat quantity or cold in the coal mine return air source, near the building winter heating ventilating shaft of border and the mine return air part wasted energy recycling system of freezing summer.
For realizing above-mentioned purpose; The utility model is taked following technical scheme: a kind of mine return air part wasted energy recycling system is characterized in that: it comprises a mine return airway, an external heat exchanger, an air-introduced machine, one group of above source pump and subscriber equipment; The air inlet of mine return airway is arranged on retention tower exhaust outlet place, and the air-admitting surface of mine return airway is less than the exhaust outlet area of retention tower; The air outlet of mine return airway connects the housing of external heat exchanger; The air outlet of external heat exchanger housing connects air-introduced machine; Source pump comprises that a built-in heat exchanger, has the compressor and an expansion valve of reversal valve; The housing of built-in heat exchanger is communicated with the heat exchanger tube of external heat exchanger through compressor and expansion valve, and is filled with refrigeration working medium in it; The heat exchanger tube of built-in heat exchanger is communicated with subscriber equipment.
Above-mentioned compressor adopts a kind of in screw compressor and the helical-lobe compressor.
Above-mentioned external heat exchanger is a kind of in heat-tube heat exchanger, honeycombed sheet type heat exchanger and the panel metal heat exchanger.
Above-mentioned subscriber equipment be have heat with the air-conditioning equipment of refrigerating function and heater in a kind of.
Above-mentioned mine return airway outer wall is provided with the polyurethane foam warming plate.
Above-mentioned source pump is more than two groups of parallel connection; Subscriber equipment be many group series connection with the parallel connection of many groups in a kind of.
The utility model is owing to take above technical scheme; It has the following advantages: 1, because the utility model is provided with a mine return airway at retention tower exhaust outlet place, part mine return air is introduced the mine return airway, carry out heat exchange with the external heat exchanger that is arranged on mine return airway air outlet place; Therefore can be according to user's heat demand; Need to confirm the mine return air amount of extraction, reduce unit load, avoided energy waste.2, because the utility model is arranged on the air inlet of mine return airway at the exhaust outlet place of retention tower; But directly do not connect; And the air-admitting surface of mine return airway is therefore less to the mine ventilation influence less than the exhaust outlet area of retention tower, can not influence the inverted ventilation operation of mine; Need not explosion-proofly, security reliability is high.3, because the mine return airway that the utility model adopts is outside equipped with the polyurethane foam warming plate as heat-insulation layer, therefore can reduces thermal loss effectively, and can further completely cut off noise.4, because the utility model can adopt external heat exchanger to move with the mode that a plurality of source pump combine, therefore can set the quantity of operating heat pump unit simultaneously according to the demand of energy usage, therefore can effectively utilize the energy more, cut down the consumption of energy.The utility model freezes near the building ventilating shaft provides winter heating and summer, and satisfies the requirement of " coalmine ventilation safety code " through recycling the part wasted energy in the mine return air, meets national environmental protection, the policy of energy-saving and emission-reduction.
Description of drawings
Fig. 1 is the structural representation of the utility model
Fig. 2 is that the mine return airway of the utility model and the position of retention tower concern sketch map
Fig. 3 is the schematic side view of partial structurtes among Fig. 1
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is carried out detailed description.
As shown in Figure 1, the utility model comprises a mine return airway 1, an external heat exchanger 2, an air-introduced machine 3, more than one source pump 4 and subscriber equipment 5.
As shown in Figure 2; The air inlet 11 of mine return airway 1 is arranged on exhaust outlet 61 places of existing retention tower 6; But be not connected with exhaust outlet 61; Simultaneously air inlet 11 areas of mine return airway 1 are less than exhaust outlet 61 areas of retention tower 6, thereby make the air draft of retention tower 6 have only part to get into mine return airway 1.The air outlet 12 of mine return airway 1 connects the air inlet of external heat exchangers 2 housings, and the air outlet of external heat exchanger 2 housings connects air-introduced machine 3, enters in the atmosphere with the mine return air that will carry out with the heat exchanger tubes in the external heat exchanger 2 after the heat exchange.
Comprise in the source pump 4 that a built-in heat exchanger 41, has the compressor 42 and an expansion valve 43 of reversal valve.Wherein, the housing 44 of built-in heat exchanger 41 is communicated with external heat exchanger 2 interior heat exchanger tube two ends through compressor 42 and expansion valve 43, is filled with refrigeration working medium in it, constitutes refrigeration working medium heat exchange circulation line; The heat exchanger tube 45 of built-in heat exchanger 41 is communicated with subscriber equipment 5, constitutes user's heat exchange circulation line.
In the foregoing description, what external heat exchanger 2 can be in heat-tube heat exchanger, honeycombed sheet type heat exchanger and the panel metal heat exchanger is a kind of.
In the foregoing description, as shown in Figure 3, some support bars 7 can be set, with fixed support mine return airway 1 below mine return airway 1; One steel platform 8 can be set, with fixed support external heat exchanger 2 below external heat exchanger 2.
In the foregoing description, for reducing thermal loss, mine return airway 1 outer wall can be provided with the heat-insulation layer that is made up of the polyurethane foam warming plate.
In the foregoing description, the compressor 42 in the source pump 4 can adopt scroll compressor or screw compressor, and compressor 42 is driven and then made source pump 4 to start operation by electric energy.
In the foregoing description, subscriber equipment 5 can adopt has air-conditioning equipment or the heater that heats with refrigerating function.
In the foregoing description, source pump 4 can be one or more groups parallel connection, and subscriber equipment 5 also can be many group series connection or many group parallel connections.
Part heat or cold that the utility model can be collected in the mine return air offer the user, and its operation method comprises following two kinds of patterns:
1) heating operation pattern: when system operated in the heating operation pattern, external heat exchanger 2 was as evaporator operation, and the built-in heat exchanger 41 in the source pump 4 is as condenser working; Under the effect of air-introduced machine 3; Air pressure in the mine return airway 1 descends; Less than the air pressure in the retention tower 6, a mine return air part of discharging from retention tower 6 exhaust outlets 61 directly enters atmosphere, and a part flows into mine return airway 1 through air inlet 11 under the effect of pressure reduction; The mine return air that flows into mine return airway 1 is entered in the atmosphere by air-introduced machine 3 after mine return airway 1 air outlet, 12 places and external heat exchanger 2 carry out heat exchange; Behind the heat energy of refrigeration working medium in obtaining mine return air in external heat exchanger 2 heat exchanger tubes; Evaporation is expanded, and becomes high temperature and high pressure gas through the compressor 42 in the source pump 4 then, gets in the housing 44 of built-in heat exchanger 41; Water source release heat in built-in heat exchanger 41 heat exchanger tubes 45; Become the liquid of low-temp low-pressure afterwards through expansion valve 43, return external heat exchanger 2, continue and the new mine return air cycle heat exchange that gets in the mine return airway 1; And after the water source in the heat exchanger tube 45 of built-in heat exchanger 41 obtains heat, for subscriber equipment 5 provides heat;
2) refrigerating operaton pattern: when system operated in the refrigerating operaton pattern, it was condenser working that external heat exchanger does 2, and the built-in heat exchanger 41 in the source pump 4 is as evaporator operation; Under the effect of air-introduced machine 3; Air pressure in the mine return airway 1 descends; Less than the air pressure in the retention tower 6, a mine return air part of discharging from retention tower 6 exhaust outlets 61 directly enters atmosphere, and a part flows into mine return airway 1 through air inlet 11 under the effect of pressure reduction; The mine return air that flows into mine return airway 1 is entered in the atmosphere by air-introduced machine 3 after mine return airway 1 air outlet, 12 places and external heat exchanger 2 carry out heat exchange; Refrigeration working medium in external heat exchanger 2 heat exchanger tubes discharges heat energy to mine return air; Condensation becomes low-temp low-pressure liquid through the expansion valve 42 in the source pump 4 then, gets in the housing 44 of built-in heat exchanger 41; Draw the heat in the water source in built-in heat exchanger 41 heat exchanger tubes 45; And then become high temperature and high pressure gas through compressor 42, and return external heat exchanger 2, continue and the new mine return air cycle heat exchange that gets in the mine return airway 1; And temperature reduces after the water source release heat in the heat exchanger tube 45 of built-in heat exchanger 41, for subscriber equipment 5 provides cold;
The transformation of above-mentioned two kinds of patterns is through switching the reversal valve on source pump 4 compressors 42, changes the flow direction of refrigeration working medium and realizes.
Above-mentioned each embodiment only is used to explain the utility model; Wherein the structure of each parts, connected mode etc. all can change to some extent; Every equivalents of on the basis of the utility model technical scheme, carrying out and improvement all should not got rid of outside the protection domain of the utility model.
Claims (10)
1. mine return air part wasted energy recycling system is characterized in that: it comprises a mine return airway, an external heat exchanger, an air-introduced machine, one group of above source pump and subscriber equipment; The air inlet of said mine return airway is arranged on retention tower exhaust outlet place, and the air-admitting surface of said mine return airway is less than the exhaust outlet area of retention tower; The air outlet of said mine return airway connects the housing of said external heat exchanger; The air outlet of said external heat exchanger housing connects said air-introduced machine; Said source pump comprises that a built-in heat exchanger, has the compressor and an expansion valve of reversal valve; The housing of said built-in heat exchanger is communicated with the heat exchanger tube of said external heat exchanger through said compressor and said expansion valve, and is filled with refrigeration working medium in it; The heat exchanger tube of said built-in heat exchanger is communicated with said subscriber equipment.
2. a kind of mine return air part wasted energy recycling system as claimed in claim 1 is characterized in that: said compressor adopts a kind of in screw compressor and the helical-lobe compressor.
3. a kind of mine return air part wasted energy recycling system as claimed in claim 1 is characterized in that: said external heat exchanger is a kind of in heat-tube heat exchanger, honeycombed sheet type heat exchanger and the panel metal heat exchanger.
4. a kind of mine return air part wasted energy recycling system as claimed in claim 2 is characterized in that: said external heat exchanger is a kind of in heat-tube heat exchanger, honeycombed sheet type heat exchanger and the panel metal heat exchanger.
5. like claim 1 or 2 or 3 or 4 described a kind of mine return air part wasted energy recycling systems, it is characterized in that: said subscriber equipment be have heat with the air-conditioning equipment of refrigerating function and heater in a kind of.
6. like claim 1 or 2 or 3 or 4 described a kind of mine return air part wasted energy recycling systems, it is characterized in that: said mine return airway outer wall is provided with the polyurethane foam warming plate.
7. a kind of mine return air part wasted energy recycling system as claimed in claim 5, it is characterized in that: said mine return airway outer wall is provided with the polyurethane foam warming plate.
8. like claim 1 or 2 or 3 or 4 or 7 described a kind of mine return air part wasted energy recycling systems, it is characterized in that: said source pump is more than two groups of parallel connection; Said subscriber equipment be many group series connection with the parallel connection of many groups in a kind of.
9. a kind of mine return air part wasted energy recycling system as claimed in claim 5 is characterized in that: said source pump is more than two groups of parallel connection; Said subscriber equipment be many group series connection with the parallel connection of many groups in a kind of.
10. a kind of mine return air part wasted energy recycling system as claimed in claim 6 is characterized in that: said source pump is more than two groups of parallel connection; Said subscriber equipment be many group series connection with the parallel connection of many groups in a kind of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200452715U CN202442550U (en) | 2012-02-13 | 2012-02-13 | System capable of recycling part of waste energy in return air of mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200452715U CN202442550U (en) | 2012-02-13 | 2012-02-13 | System capable of recycling part of waste energy in return air of mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202442550U true CN202442550U (en) | 2012-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200452715U Expired - Lifetime CN202442550U (en) | 2012-02-13 | 2012-02-13 | System capable of recycling part of waste energy in return air of mine |
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| Country | Link |
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| CN (1) | CN202442550U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937464A (en) * | 2012-11-16 | 2013-02-20 | 北京矿大节能科技有限公司 | Performance detection testing system of mine air returning heat exchanger and using method thereof |
| CN103604212A (en) * | 2013-11-25 | 2014-02-26 | 北京矿大节能科技有限公司 | Large-temperature-difference wellhead heater and operation mode thereof |
| CN104676951A (en) * | 2013-11-26 | 2015-06-03 | 北京中矿博能节能科技有限公司 | Coal mine air inlet wellhead temperature adjusting system |
| CN110081747A (en) * | 2018-09-25 | 2019-08-02 | 北京中矿赛力贝特节能科技有限公司 | The residual neat recovering system that a kind of mine return air heat pipe and ethylene glycol combine |
| CN110094224A (en) * | 2018-08-09 | 2019-08-06 | 北京中矿赛力贝特节能科技有限公司 | A kind of return air residual heat in mine utilizes system and control method |
-
2012
- 2012-02-13 CN CN2012200452715U patent/CN202442550U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937464A (en) * | 2012-11-16 | 2013-02-20 | 北京矿大节能科技有限公司 | Performance detection testing system of mine air returning heat exchanger and using method thereof |
| CN102937464B (en) * | 2012-11-16 | 2014-12-10 | 北京矿大节能科技有限公司 | Performance detection testing system of mine air returning heat exchanger and using method thereof |
| CN103604212A (en) * | 2013-11-25 | 2014-02-26 | 北京矿大节能科技有限公司 | Large-temperature-difference wellhead heater and operation mode thereof |
| CN103604212B (en) * | 2013-11-25 | 2016-03-02 | 北京矿大节能科技有限公司 | A kind of large temperature difference well head heater and the method for operation thereof |
| CN104676951A (en) * | 2013-11-26 | 2015-06-03 | 北京中矿博能节能科技有限公司 | Coal mine air inlet wellhead temperature adjusting system |
| CN110094224A (en) * | 2018-08-09 | 2019-08-06 | 北京中矿赛力贝特节能科技有限公司 | A kind of return air residual heat in mine utilizes system and control method |
| CN110081747A (en) * | 2018-09-25 | 2019-08-02 | 北京中矿赛力贝特节能科技有限公司 | The residual neat recovering system that a kind of mine return air heat pipe and ethylene glycol combine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120919 |