CN107940805A - Direct-cooling type depth enthalpy takes hot idle air heat pump system - Google Patents

Direct-cooling type depth enthalpy takes hot idle air heat pump system Download PDF

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Publication number
CN107940805A
CN107940805A CN201711422521.6A CN201711422521A CN107940805A CN 107940805 A CN107940805 A CN 107940805A CN 201711422521 A CN201711422521 A CN 201711422521A CN 107940805 A CN107940805 A CN 107940805A
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CN
China
Prior art keywords
idle air
heat
heat pump
direct
hot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711422521.6A
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Chinese (zh)
Inventor
蒋正君
张立忠
黄伟
朱长印
赵廷江
宋世果
于力仲
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Beijing Zhongkuang Boneng Energy Saving Science & Technology Co Ltd
Original Assignee
Beijing Zhongkuang Boneng Energy Saving Science & Technology Co Ltd
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Application filed by Beijing Zhongkuang Boneng Energy Saving Science & Technology Co Ltd filed Critical Beijing Zhongkuang Boneng Energy Saving Science & Technology Co Ltd
Priority to CN201711422521.6A priority Critical patent/CN107940805A/en
Publication of CN107940805A publication Critical patent/CN107940805A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00Heat pumps
    • F25B30/02Heat pumps of the compression type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00Heat pumps
    • F25B30/06Heat pumps characterised by the source of low potential heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/40Fluid line arrangements

Abstract

The invention discloses a kind of direct-cooling type depth enthalpy to take hot idle air heat pump system, it includes idle air and takes hot cell, the idle air takes hot cell to be equipped with least one idle air heat producing box, the idle air heat producing box is connected by antifreeze liquid pipeline with the evaporator of heat pump unit, the antifreeze liquid pipeline is used to flow through anti-icing fluid, circulating pump is installed on the antifreeze liquid pipeline, the anti-icing fluid absorbs the heat in idle air when flowing through idle air heat producing box, the heat in the idle air of absorption is changed to the refrigerant in heat pump unit when the anti-icing fluid flows through the evaporator, condenser in the heat pump unit is used to exchange heat with user's hot water.Direct-cooling type depth enthalpy of the present invention takes hot idle air heat pump system simple in structure, and the idle air waste heat recovery thermal efficiency is high.

Description

Direct-cooling type depth enthalpy takes hot idle air heat pump system
Technical field
The present invention relates to a kind of residual neat recovering system, is used to recycle coal mine methane (return air) waste heat more particularly to one kind System.
Background technology
The characteristics of mine air-lack (return air) has air quantity big, and wind-warm syndrome is stable, relative humidity is big, and continuity is good, is good Cryogenic waste heat resource, by idle air heat pump techniques, waste heat in idle air is extracted, can meet mine structure heating, bathing Hot water prepares and the needs of wellhead anti-freezing heat.Summer can utilize idle air heat pump refrigerating to be used for building air conditioning or underground drop at the same time Temperature.
To coal mine methane UTILIZATION OF VESIDUAL HEAT IN at present based on two kinds of technology paths:One is " water spray type idle air heat pump " technology road Line, another is " direct steaming type idle air heat pump " technology path.
Water spray type idle air heat pump techniques route principle in return air retention tower mouth as shown in Figure 1, by setting spray equipment, in fact Existing recirculated water " spray ", makes water directly contact carry out heat and mass with idle air, heat in idle air is replaced in water, recycles water Source heat pump technology extracts heat from water, for heat supply.The technology includes collection chamber 1 ', collecting-tank 2 ', full-automatic water processor The capital equipment such as 3 ' and Scrawl wind source heat pump unit 4 '.
Direct steaming type idle air heat pump techniques, its principle take hot cell 5 ' as shown in Fig. 2, building an idle air in return air retention tower mouth, Hot cell side arrangement idle air heat producing box (evaporator) 6 ' is taken, using low-temperature low-pressure refrigerant liquid in idle air heat producing box heat exchanger Evaporation endothermic, directly comes out heat extraction in idle air, is changed into gaseous state after refrigerant evaporation endothermic, and gaseous refrigerant enters compression Further compression is changed into high temperature and high pressure gaseous refrigerant in machine 7 ', and heat is replaced feedwater in condenser 9 ' and used by gaseous refrigerant It is changed into liquid after heat supply, gaseous refrigerant heat release, the expanded valve 8 ' of liquid refrigerant is again introduced into idle air heat producing box after being depressured Heat exchanger, so as to complete entirely to circulate.
Water spray type idle air heat pump techniques have the following disadvantages:(1) return air utilization rate is low, and aqueous vapor takes away a large amount of waste heats;(2) system System is complicated, including spray system, the circulatory system, collecting-tank, filter, heat pump system etc.;(3) it is weary due to being exchanged heat using spray Foul is fully entered in water in wind, causes filter and unit to be frequently occluded, and inefficiency, maintenance difficulties are big, costly, reliably Property is low;(4) water circulating pump uses open circulation, and power consumption is higher, and operating cost is high;(5) after idle air takes thermal Finite, idle air to take heat Not less than 7 DEG C;(6) hot side is taken to use open circulation, idle air takes away a large amount of aqueous vapors, and system water supplement amount is larger.
Direct steaming type idle air heat pump techniques have the following disadvantages:(1) direct steaming type idle air heat pump techniques belong to large-scale split heat pump, There is no standard unit, it is necessary to which equipment manufacturer's Specialty Design, technical difficulty are big;(2) direct steaming type idle air heat pump and idle air heat producing box it Between connection using being refrigerant tubing, compressed function power and compressor oil return limitation, distance between unit and idle air heat producing box It must not be too far away, typically not greater than 200m, hypertelorism, compressor oil return is difficult, and idle air heat pump is not energy efficient, and idle air heat pump can It is deteriorated by property;(3) height difference is not easy too greatly between idle air heat producing box and idle air heat pump unit, no that compressor will be caused not energy efficient; (4) when unit number of units is more, every idle air heat pump unit is connected with respective heat producing box by respective refrigerant tubing, causes to freeze Agent pipeline is very more, system complex and investment is big;(5) idle air takes to defrosting problem below frost point and is difficult to solve, and realizes that twin-stage takes Hot difficulty is larger.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of direct-cooling type depth enthalpy that can solve above-mentioned prior art shortcoming Take hot idle air heat pump system.
Direct-cooling type depth enthalpy of the present invention takes hot idle air heat pump system, including idle air to take hot cell, and the idle air takes hot cell to be equipped with At least one idle air heat producing box, the idle air heat producing box are connected by antifreeze liquid pipeline with the evaporator of heat pump unit, described anti- Freeze liquid pipeline to be used to flow through anti-icing fluid, circulating pump is installed, the anti-icing fluid flows through idle air heat producing box on the antifreeze liquid pipeline When absorb idle air in heat, the heat in the idle air of absorption is changed to heat pump machine when the anti-icing fluid flows through the evaporator Refrigerant in group, the condenser in the heat pump unit are used to exchange heat with user's hot water.
Direct-cooling type depth enthalpy of the present invention takes hot idle air heat pump system, wherein the idle air heat producing box is including first base and admittedly The outer framework being scheduled in the first base, at least level-one is provided with the outer framework and takes heat along what idle air flowed through direction arrangement Heat exchanger, the lower part and top of every grade of heat taking and exchanging device are respectively equipped with and take hot working fluid import and take hot working fluid to export, described to take heat Working medium import and it is described take hot working fluid outlet connect the antifreeze liquid pipeline respectively, the heat pump unit is arranged at least level-one, The heat pump unit is corresponded with the heat taking and exchanging device and arranged, the cooling water pipeline of condenser in every grade of heat pump unit Between be connected in series by communicating pipe.
Direct-cooling type depth enthalpy of the present invention takes hot idle air heat pump system, wherein between the heat exchanger tube of every grade of heat taking and exchanging device Equipped with defrosting heating tube, the defrosting heating tube is used for the hydrothermal solution that circulates.
Direct-cooling type depth enthalpy of the present invention takes hot idle air heat pump system, is used to adjust idle air flow wherein the outer framework is equipped with Adjustable air-valve.
Direct-cooling type depth enthalpy of the present invention takes hot idle air heat pump system, wherein the heat taking and exchanging device further includes fin, it is described to change Heat pipe is arranged on the fin, and the defrosting heating tube is also disposed on the fin.
Direct-cooling type depth enthalpy of the present invention takes hot idle air heat pump system, wherein the outer framework, which is equipped with to be used to spraying, described takes heat The spray system of heat exchanger outer surface, the spray system include nozzle and the spray tube being connected with the nozzle, the spray Shower pipe is used for being connected with watering.
Direct-cooling type depth enthalpy of the present invention takes hot idle air heat pump system, wherein the anti-icing fluid is ethylene glycol.
Direct-cooling type depth enthalpy of the present invention takes hot idle air heat pump system, wherein further including second base, is set in the second base It is equipped with the heat pump unit.
Direct-cooling type depth enthalpy of the present invention takes hot idle air heat pump system, is set wherein the condenser in every grade of heat pump unit is fixed Put in the second base, the top of the condenser is equipped with the evaporator, between the condenser and the evaporator The pipeline of connection is equipped with expansion valve, and the top of the evaporator is equipped with compressor.
Direct-cooling type depth enthalpy of the present invention takes hot idle air heat pump system, wherein the condenser is disposed side by side on the second base On.
Direct-cooling type depth enthalpy of the present invention takes hot idle air heat pump system difference from prior art to be that the present invention sets idle air Hot cell is taken, idle air takes hot cell to be equipped with least one idle air heat producing box, and idle air heat producing box passes through antifreeze liquid pipeline and heat pump unit Evaporator connection, absorb the heat in idle air when anti-icing fluid flows through idle air heat producing box, anti-icing fluid will when flowing through the evaporator Heat in the idle air of absorption is changed to the refrigerant in heat pump unit, the condenser in heat pump unit be used for user's hot water into Row heat exchange.Whole system is simple, and the idle air waste heat recovery thermal efficiency is high;Circulated using enclosed anti-icing fluid, water consumption is small, while antifreeze Liquid is not mixed into foul, smaller on unit durability influence, while blockage problem is not present, and reliability is high, and maintenance is small;Anti-icing fluid Circulation use circulating pump, heat pump computer room and idle air take hot cell between relative position it is more flexible, from heat producing box and idle air heat pump Unit spacing and height difference restricted problem;Connecting pipe can share between heat producing box and heat pump unit, with direct steaming type idle air heat pump Compare, reduce number of tubes, system is simpler, reduces investment.
The invention will be further described below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is water spray type idle air heat pump system schematic diagram of the prior art;
Fig. 2 is direct steaming type idle air heat pump system schematic diagram of the prior art;
Fig. 3 takes hot idle air heat pump system schematic diagram one for direct-cooling type depth enthalpy of the present invention;
Fig. 4 takes hot idle air heat pump system schematic diagram two for direct-cooling type depth enthalpy of the present invention;
Fig. 5 is the front view of the idle air heat producing box in the present invention;
Fig. 6 is the left view of the idle air heat producing box in the present invention;
Fig. 7 is the schematic diagram of the heat pump unit in the present invention;
Fig. 8 is the front view of the heat pump unit in the present invention;
Fig. 9 is the top view of the heat pump unit in the present invention;
Figure 10 is the left view of the heat pump unit in the present invention.
Embodiment
As shown in figure 3, direct-cooling type depth enthalpy of the present invention takes hot idle air heat pump system, including idle air to take hot cell 25, the idle air Hot cell 25 is taken to be equipped with least one idle air heat producing box 1, the idle air heat producing box 1 passes through antifreeze liquid pipeline 2 and heat pump unit 28 Evaporator connection, the antifreeze liquid pipeline 2 be used for flow through anti-icing fluid, circulating pump 27, institute are installed on the antifreeze liquid pipeline 2 The heat absorbed when anti-icing fluid flows through idle air heat producing box 1 in idle air is stated, by absorption when the anti-icing fluid flows through the evaporator Heat in idle air is changed to the refrigerant in heat pump unit 28, and the condenser in the heat pump unit 28 is used for and user's hot water Exchange heat.
The idle air takes hot cell 25 to be arranged on coal mine return air retention tower mouth, is provided with fan in drive, idle air is blowed to weary Wind takes hot cell 25, and the idle air heat producing box 1 is arranged on the side that idle air takes hot cell 25, and idle air takes the opposite side in hot cell 25 to be provided with Reverse self closing door 26, idle air are flowed out through idle air heat producing box 1.
Direct-cooling type depth enthalpy of the present invention takes hot idle air heat pump system, wherein the idle air heat producing box 1 include first base 15 with And the outer framework 16 in the first base 15 is fixed on, be provided with least level-one in the outer framework 16 flows through direction along idle air The heat taking and exchanging device 17 of arrangement, the lower part and top of every grade of heat taking and exchanging device 17, which are respectively equipped with, to be taken hot working fluid import 23 and takes thermal technology Matter outlet 24, it is described to take hot working fluid import 23 and described take hot working fluid outlet 24 to connect the antifreeze liquid pipeline 2, the heat respectively Pump assembly 28 is arranged at least level-one, and the heat pump unit 28 is corresponded with the heat taking and exchanging device 17 and arranged, described in every grade It is connected in series in heat pump unit 28 between the cooling water pipeline of condenser by communicating pipe 14.
An idle air heat producing box 1 is provided with Fig. 3, and level-one heat taking and exchanging device 17 is provided only with the idle air heat producing box 1, Corresponding, the heat pump unit 28 is also only arranged to level-one.
An idle air heat producing box 1 is provided with Fig. 4, and two-stage heat taking and exchanging device 17 is equipped with the idle air heat producing box 1, with This is corresponding, and the heat pump unit 28 is also configured as two-stage.
In practical applications, idle air heat producing box 1 can set two or more according to actual condition, idle air heat producing box Heat taking and exchanging device 17 in 1 can also be set to more than two-stage according to actual condition.
Direct-cooling type depth enthalpy of the present invention takes hot idle air heat pump system, wherein the anti-icing fluid is ethylene glycol.
As shown in figure 5, and with reference to shown in Fig. 6, the idle air heat producing box in the present invention includes first base 15 and being fixed on Outer framework 16 in the first base 15, at least level-one is provided with the outer framework 16 and flows through taking for direction arrangement along idle air Heat exchanger 17, the lower part and top of every grade of heat taking and exchanging device 17, which are respectively equipped with, to be taken hot working fluid import 23 and takes hot working fluid to export 24, defrosting heating tube 22 is equipped between the heat exchanger tube of every grade of heat taking and exchanging device 17, the defrosting heating tube 22 is used for the heat that circulates Liquid, the lower section of the heat taking and exchanging device 17 are equipped with water-collecting tray 18, and the water-collecting tray 18 is built-in with antifreeze coil pipe 19, the antifreeze disk Pipe 19 is used for the hydrothermal solution that circulates.
Above-mentioned outer framework 16 and the protective device that first base 15 is whole heat producing box, make the structure of heat producing box more Firmly, can be directly stacked by two heat producing box during installation heat producing box, convenient installation.
For above-mentioned heat taking and exchanging device 17 to take hot systems in the present invention, the heat taking and exchanging device 17 can be according to actual work Condition sets specific series, and in this embodiment, heat taking and exchanging device 17 is set to two-stage, is respectively that level-one takes hot heat exchange Device and two level heat taking and exchanging device, level-one heat taking and exchanging device are located at the upstream that idle air flows through direction, and two level heat taking and exchanging device is positioned at weary The distinguished and admirable downstream through direction.Taking hot systems by the low temperature of every grade of idle air heat pump unit preparation to take hot working fluid, (ethylene glycol etc. is antifreeze Liquid) respectively enter the heat exchanger tube of level-one heat taking and exchanging device and two level heat taking and exchanging device, idle air passes through every grade of heat taking and exchanging device 17 During heat exchanger tube, the heat in idle air is replaced and is taken in hot working fluid.
Above-mentioned defrosting heating tube 22 is remove defrosting system in the present invention, and during defrosting, closing heat producing box I and II takes heat to change The valve of hot device 17, realizes that stopping takes heat, while opens the hydrothermal solution valve of defrosting heating tube 22, makes to be passed through in defrosting heating tube 22 Hydrothermal solution, so that the frost on 17 surface of heat taking and exchanging device be removed.
Above-mentioned antifreeze coil pipe is the winterization system in the present invention, and the water that frost becomes after defrosting in order to prevent, which flows into, to catchment Freeze after disk 18, the built-in antifreeze coil pipe 19 of water-collecting tray 18.By ceaselessly toward hydrothermal solution is passed through in antifreeze coil pipe 19 to prevent from collecting Water pond 18 freeze it is freezing and defrosting water can not discharge.
The outer framework 16 is equipped with the adjustable air-valve 20 for being used for adjusting idle air flow.Above-mentioned adjustable air-valve 20 is this hair Tune wind system in bright, the adjustable air-valve 20 are installed at the air outlet of heat producing box.When multiple heat producing box are arranged, by It is different in the distance apart from air port, cause also to differ by the air quantity of each heat producing box, by each heat producing box Setting the adjustable air-valve 20 for carrying out air quantity adjusting, the air quantity that is, multiple heat producing box pass through is roughly the same to achieve the purpose that equal wind. If necessary, adjustable air-valve 20 can also be closed, to prevent idle air from passing through heat producing box.
The heat taking and exchanging device further includes fin, and the heat exchanger tube is arranged on the fin, the defrosting heating tube 22 It is also disposed on the fin.
The outer framework 16 is equipped with the spray system for being used for spraying 17 outer surface of heat taking and exchanging device, the spray system System includes nozzle 21 and the spray tube being connected with the nozzle 21, and the spray tube is used for being connected with watering.
Spray system can prevent the booty in idle air from concentrating at the surface of heat taking and exchanging device 17, by detect heat producing box into Wind side and the pressure difference of air side, when pressure difference is higher than setting value, starts spray system and are sprayed, so as to remove heat taking and exchanging device The booty on 17 surfaces, keeps heat producing box surface clean.
Separate unit heat producing box in the present invention can be achieved twin-stage even multistage and take heat, and idle air takes heat big, realizes deep enthalpy Take heat;The built-in defrosting heating tube 22 of heat producing box heat exchanger, has achieveed the purpose that heat producing box defrosts;Heat producing box water-collecting tray is provided with Winterization system, solves the problems, such as the antifreeze of water-collecting tray.
Idle air heat producing box in the present invention has the characteristics that:(1) heat producing box can realize that twin-stage even multistage takes heat, make Idle air takes the temperature after heat to reduce step by step, is down to subzero;(2) idle air heat producing box can realize automatic defrosting;(3) defrost with Afterwards, frost becomes water, flows into water-collecting tray, and water-collecting tray itself is equipped with defroster, will not be freezing.
As shown in fig. 7, the heat pump unit in the present invention sets at least to level-one, every grade of heat pump unit includes evaporation Device, compressor, condenser and expansion valve, are each connected in series between the cooling water pipeline of the condenser by communicating pipe 14, The evaporator is used to exchange heat with flowing through the anti-icing fluid after heat producing box 1, and the condenser is used to be changed with user's hot water Heat.Connected between heat producing box and evaporator by antifreeze liquid pipe 2, anti-icing fluid is by the antifreeze liquid pipe 2 in heat producing box and evaporation Reciprocation cycle between device.
In present embodiment, two-stage heat pump unit, respectively level-one heat pump unit and two level heat pump unit, institute are set Stating level-one heat pump unit includes level-one evaporator 3, stage compressor 4, first-stage condenser 5 and one-stage expansion valve 6, the two level heat Pump assembly includes secondary evaporimeter 7, split-compressor 9, secondary condenser 10 and compound expansion valve 8, evaporator, compressor, cold Connection mode between condenser and expansion valve is the prior art, and it will not be described here.
First-stage condenser 5 is with the mode that secondary condenser 10 is connected:Cooling water is equipped with I and II condenser 5,10 Pipeline, the outlet of 10 cooling water pipeline of secondary condenser and the entrance of 5 cooling water pipeline of first-stage condenser are connected by communicating pipe 14 Connect.The entrance 12 of user's hot water from 10 cooling water pipe of secondary condenser enters, cold through secondary condenser 10, communicating pipe 14, level-one Flowed out after condenser 5 from the outlet 13 of 5 cooling water pipe of first-stage condenser, the hot water of outflow returns to user.
The anti-icing fluid of level-one evaporator 3 is flowed through when flowing through heat producing box 1, positioned at the upstream of idle air flow direction;Flow through two level steaming The anti-icing fluid of device 7 is sent out when flowing through heat producing box 1, positioned at the downstream of idle air flow direction, step is completed and takes heat.Hot water used by a user First pass through secondary condenser 10 to exchange heat, water temperature rises to 45 DEG C by 40 DEG C, and then 45 DEG C of hot water passes through first-stage condenser again 5, water temperature rises to 50 DEG C by 45 DEG C, completes the step heating of user's hot water.
As shown in figure 8, and with reference to shown in Fig. 9 and Figure 10, present invention additionally comprises second base 11, in the second base 11 It is provided with the heat pump unit.
Condenser in every grade of heat pump unit is fixed in the second base 11, the top of the condenser Equipped with the evaporator, the pipeline connected between the condenser and evaporator is equipped with the expansion valve, the evaporator Top is equipped with the compressor.The condenser is disposed side by side in the second base 11.
The present invention sets at least level-one heat pump unit, and the cooling water pipeline of the condenser in every grade of heat pump unit passes through connection Pipe 14 is connected in series, and is illustrated exemplified by setting two-stage heat pump unit, and two heat pump units of A, B are combined, and make one Platform unit, while the condenser in two heat pump units of A, B realizes series connection, the i.e. hot water after the heating of heat pump unit B condensers Enter back into heat pump unit A condensers to heat again, realize that step heats, it is assumed that heat pump unit B condenser water temperatures are by 40 DEG C of heatings To 45 DEG C, enter back into heat pump unit A condensers and realize that water temperature is warming up to 50 DEG C by 45 DEG C, the condensation temperature of such heat pump unit B Degree can be designed as 48 DEG C, and the condensation temperature of heat pump unit A can be designed as 53 DEG C, in this way,
Theoretical COPA=(273+53)/[(273+53)-(273-13)]=4.94
Theoretical COPB=(273+48)/[(273+48)-(273-20)]=4.72
Two heat pump units are averaged COP=(COPA+COPB)/2=4.83
As it can be seen that the present invention can improve the synthesis COP values of whole system, that is, improve the efficiency of system.At the same time so The condensation temperature of heat pump unit B is reduced, optimizes the operating condition of unit, improves the stability of unit.
As shown in figure 3, and with reference to shown in Fig. 4, build an idle air in coal mine return air retention tower mouth and take hot cell, idle air takes hot cell Side arrangement idle air heat producing box, circulatory mediator is using anti-icing fluid such as ethylene glycol.Low-temperature antifreeze liquid enters idle air heat producing box heat exchanger tube Interior, idle air is flowed through outside idle air heat producing box Tube Sheet of Heat Exchanger, is replaced heat in idle air into anti-icing fluid, anti-icing fluid temperature liter by exchanging heat Height, enters (water source) heat pump unit, heat pump unit is extracted in anti-icing fluid after heat, and anti-icing fluid temperature reduces, and becomes by circulating pump For low-temperature antifreeze liquid, low temperature is antifreeze to be again introduced into idle air heat producing box, completes whole circulation.
Advantages of the present invention is as follows:
1st, idle air takes difference in enthalpy big, it is possible to achieve twin-stage takes heat, and idle air takes after heat temperature to reach -10 DEG C, even lower;
2nd, simple system, the idle air waste heat recovery thermal efficiency are high;
3rd, using enclosed anti-icing fluid circulate, water consumption is small, while anti-icing fluid is not mixed into foul, on unit durability influence compared with It is small, while blockage problem is not present, reliability is high, and maintenance is small;
4th, anti-icing fluid circulation use circulating pump, heat pump computer room and idle air take hot cell between relative position it is more flexible, from Heat producing box and idle air heat pump unit spacing and height difference restricted problem;
5th, unit can use water source heat pump units, and technology maturation is reliable and stable;
6th, connecting pipe can share between heat producing box and idle air heat pump, compared with direct steaming type idle air heat pump, reduce pipe Road quantity, system is simpler, reduces investment.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention Enclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present invention The various modifications and improvement that case is made, should all fall into the protection domain that claims of the present invention determines.

Claims (10)

1. a kind of direct-cooling type depth enthalpy takes hot idle air heat pump system, it is characterised in that:Hot cell is taken including idle air, the idle air takes hot cell At least one idle air heat producing box is equipped with, the idle air heat producing box is connected by antifreeze liquid pipeline with the evaporator of heat pump unit, The antifreeze liquid pipeline is used to flow through anti-icing fluid, circulating pump is provided with the antifreeze liquid pipeline, the anti-icing fluid flows through idle air During heat producing box absorb idle air in heat, when the anti-icing fluid flows through the evaporator by the heat in the idle air of absorption change to Refrigerant in heat pump unit, the condenser in the heat pump unit are used to exchange heat with user's hot water.
2. direct-cooling type depth enthalpy according to claim 1 takes hot idle air heat pump system, it is characterised in that:The idle air heat producing box Including first base and the outer framework being fixed in the first base, at least level-one is installed along idle air in the outer framework Flow through the heat taking and exchanging device of direction arrangement, the lower part and top of every grade of heat taking and exchanging device, which are respectively equipped with, to be taken hot working fluid import and take heat Sender property outlet, it is described take hot working fluid import and it is described take hot working fluid outlet connect the antifreeze liquid pipeline, the heat pump machine respectively Group is arranged at least level-one, and the heat pump unit is corresponded with the heat taking and exchanging device and arranged, in every grade of heat pump unit It is connected in series between the cooling water pipeline of condenser by communicating pipe.
3. direct-cooling type depth enthalpy according to claim 2 takes hot idle air heat pump system, it is characterised in that:Heat is taken to change described in every grade Defrosting heating tube is equipped between the heat exchanger tube of hot device, the defrosting heating tube is used for the hydrothermal solution that circulates.
4. direct-cooling type depth enthalpy according to claim 3 takes hot idle air heat pump system, it is characterised in that:Set on the outer framework It is useful for adjusting the adjustable air-valve of idle air flow.
5. direct-cooling type depth enthalpy according to claim 4 takes hot idle air heat pump system, it is characterised in that:The heat taking and exchanging device Fin is further included, the heat exchanger tube is arranged on the fin, and the defrosting heating tube is also disposed on the fin.
6. direct-cooling type depth enthalpy according to claim 5 takes hot idle air heat pump system, it is characterised in that:Set on the outer framework It is useful for spraying the spray system of the heat taking and exchanging device outer surface, the spray system includes nozzle and connects with the nozzle The spray tube connect, the spray tube are used for being connected with watering.
7. hot idle air heat pump system is taken according to claim 1-6 any one of them direct-cooling type depth enthalpys, it is characterised in that:It is described anti- Jelly liquid is ethylene glycol.
8. direct-cooling type depth enthalpy according to claim 7 takes hot idle air heat pump system, it is characterised in that:Further include the second bottom , it is provided with the heat pump unit in the second base.
9. direct-cooling type depth enthalpy according to claim 8 takes hot idle air heat pump system, it is characterised in that:Every grade of heat pump machine Condenser in group is fixed in the second base, and the top of the condenser is equipped with the evaporator, the condensation The pipeline connected between device and the evaporator is equipped with expansion valve, and the top of the evaporator is equipped with compressor.
10. direct-cooling type depth enthalpy according to claim 9 takes hot idle air heat pump system, it is characterised in that:The condenser is simultaneously Row is arranged in the second base.
CN201711422521.6A 2017-12-25 2017-12-25 Direct-cooling type depth enthalpy takes hot idle air heat pump system Pending CN107940805A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711422521.6A CN107940805A (en) 2017-12-25 2017-12-25 Direct-cooling type depth enthalpy takes hot idle air heat pump system

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Application Number Priority Date Filing Date Title
CN201711422521.6A CN107940805A (en) 2017-12-25 2017-12-25 Direct-cooling type depth enthalpy takes hot idle air heat pump system

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CN107940805A true CN107940805A (en) 2018-04-20

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CN108709332A (en) * 2018-07-14 2018-10-26 侴雨宏 The big Wen Sheng of antifreezing agent multipaths takes hot air draft source vapor cascade heat pump
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
CN112524717A (en) * 2020-11-20 2021-03-19 武汉万居隆电器有限公司 Internally-switched large-scale screw type water-ground source heat pump unit
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CN101210761A (en) * 2007-12-25 2008-07-02 美的集团电冰箱制造(合肥)有限公司 Refrigerator defrosting heater and controlling method thereof
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CN108709332A (en) * 2018-07-14 2018-10-26 侴雨宏 The big Wen Sheng of antifreezing agent multipaths takes hot air draft source vapor cascade heat pump
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
CN112524717A (en) * 2020-11-20 2021-03-19 武汉万居隆电器有限公司 Internally-switched large-scale screw type water-ground source heat pump unit
CN112524717B (en) * 2020-11-20 2022-04-12 武汉万居隆电器有限公司 Internally-switched large-scale screw type water-ground source heat pump unit
CN114322345A (en) * 2020-11-30 2022-04-12 华为数字能源技术有限公司 Heat dissipation system, heat management equipment and working method of heat dissipation system
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CN114322345B (en) * 2020-11-30 2022-11-11 华为数字能源技术有限公司 Heat dissipation system, heat management equipment and working method of heat dissipation system

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