CN106322827A - Terrestrial heat utilization method based on industrial waste water source - Google Patents
Terrestrial heat utilization method based on industrial waste water source Download PDFInfo
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- CN106322827A CN106322827A CN201610771559.3A CN201610771559A CN106322827A CN 106322827 A CN106322827 A CN 106322827A CN 201610771559 A CN201610771559 A CN 201610771559A CN 106322827 A CN106322827 A CN 106322827A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000010842 industrial wastewater Substances 0.000 title abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 239000002351 wastewater Substances 0.000 claims abstract description 59
- 239000006200 vaporizer Substances 0.000 claims description 24
- 238000004378 air conditioning Methods 0.000 claims description 23
- 230000008569 process Effects 0.000 claims description 6
- 238000004065 wastewater treatment Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005057 refrigeration Methods 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 14
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000011084 recovery Methods 0.000 description 5
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 230000036772 blood pressure Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 206010016807 Fluid retention Diseases 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- OOYGSFOGFJDDHP-KMCOLRRFSA-N kanamycin A sulfate Chemical group OS(O)(=O)=O.O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CN)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O[C@@H]2[C@@H]([C@@H](N)[C@H](O)[C@@H](CO)O2)O)[C@H](N)C[C@@H]1N OOYGSFOGFJDDHP-KMCOLRRFSA-N 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention relates to the technical field of energy heating and air conditioners, in particular to a terrestrial heat utilization method based on an industrial waste water source. The indoor temperature is balanced by replacing heat of a water source heat exchange system and an air conditioner end system by the aid of a heat pump system, and the effects of being warm in winter and cool in summer indoors are realized. During heating, heat of industrial waste water is absorbed in multiple stages by the water source heat exchange system and then is transmitted to the air conditioner end system for indoor heating; and during refrigeration, the heat pump system works, indoor heat is absorbed by the air conditioner end system and is dissipated by the water source heat exchange system, and the purpose of indoor refrigeration is achieved. With the technical scheme, the heat of the waste water is recovered in two stages, particularly, the relatively high heat of a waste water delivery pipe is recovered by the aid of a primary heat exchange device early, the recycling rate of the heat of the waste water is greatly increased, and the recovered heat is used for meeting indoor heating and refrigeration requirements of surrounding areas of the waste water source.
Description
Technical field
The present invention relates to energy heat supply and air-conditioning technical field, be specifically related to a kind of geothermal utilization based on Industry Waste water source
Method.
Background technology
Along with developing rapidly of industry, the discharge capacity of industrial wastewater rapidly increases, to the pollution of water body the most extensively and
Seriously, the health and safety of the mankind is threatened；Meanwhile, some recovering energy sources comprised in waste water, the such as industry such as papermaking, metallurgy
Waste water in a large amount of heat energy of containing, give it up and also result in serious energy waste.Along with global ecological environment increasingly
Deteriorating, energy-conserving and environment-protective become a topic can't steer clear of, and waste water processes and discharges, save existing energy-output ratio, advocate environmental protection
Type new energy development, the common recognition of the Ye Chengye whole society.A lot of factories all have been set up sewage disposal system, or on a ground
District sets up the sewage treatment plant focused on, and along with the day by day maturation of heat pump techniques, in industrial wastewater treatment system, embeds
The heat energy that heat pump reclaims in waste water has tried out.
Simply, in the prior art, the heat collector (heat exchanger) of heat pump is substantially and is arranged on wastewater collection pond
Or in other cisterns in processing links, a lot of hot waste waters are during being transported to collecting pit or cistern,
Scattered and disappeared a lot of heat, and overall heat energy is the most well utilized, and heat utilization rate is relatively low.
Summary of the invention
For defect of the prior art, a kind of based on Industry Waste water source the geothermal utilization method that the present invention provides, energy
Improve the recovery utilization rate of heat energy in waste water, and utilize reclaimed heat energy to meet indoor heating and the confession of waste water source neighboring area
Cold demand.
The geothermal utilization method based on Industry Waste water source that the present invention provides, utilizes heat pump displacement water source heat-exchange system
With the heat among air conditioning terminal system, balance indoor temperature, reach indoor effect cool in summer and warm in winter；Wherein, described water source changes
Hot systems includes: one-level heat-exchanger rig and secondary heat exchange device, and described one-level heat-exchanger rig includes the one-level heat exchange being sequentially connected in series
Device, primary cycle pump and one-level heat exchange valve, described first-class heat exchanger is arranged in waste water conveying pipe；Described secondary heat exchange device bag
Including secondary heat exchanger, secondary cycles pump and the secondary heat exchange valve being sequentially connected in series, described secondary heat exchanger is arranged on useless water-treated
In cistern in journey；Described one-level heat-exchanger rig and described secondary heat exchange device are in parallel.Described air conditioning terminal system includes: wind
Machine coil pipe and blower fan circulating pump, fan coil passes through placed in series with the entrance of blower fan circulating pump.Described heat pump includes: pressure
Contracting machine, vaporizer, expansion valve, condenser, entrance four-way change-over valve and outlet four-way change-over valve, compressor, vaporizer, expansion valve
It is sequentially connected formation loop with condenser；After the entrance of vaporizer is connected with two ports of entrance four-way change-over valve, respectively with
The outlet of water source heat-exchange system and the outlet of air conditioning terminal system connect；The entrance of condenser and another the two of entrance four-way change-over valve
After individual port connects, it is connected with the outlet of water source heat-exchange system and the outlet of air conditioning terminal system respectively；The outlet of vaporizer with
After two ports of outlet four-way change-over valve connect, connect with the entrance of water source heat-exchange system and the entrance of air conditioning terminal system respectively
Connect；After the outlet of condenser is connected with the another two port exporting four-way change-over valve, respectively with the entrance of water source heat-exchange system and
Air conditioning terminal system entry connects.
The heat that the present invention is absorbed in waste water by described water source heat-exchange system is described heat pump energy supply, water body conduct
Heat pump heating and the heat-conducting medium of cooling in summer, was realized and indoor cold and hot exchange by described air conditioning terminal system, reached winter
To indoor effect cool in summer and warm in winter；Heat supply and the switching of cooling condition, by described heat pump entrance four-way change-over valve and going out
Mouth four-way change-over valve controls the flow direction of recirculated water and realizes.
Under for thermal condition, the water source recirculated water in water source heat-exchange system divides two by first-class heat exchanger and secondary heat exchanger
Level is fully drawn in waste water after heat, corresponding primary cycle pump and secondary cycles are pumped into described heat pump；Described one
Level heat exchanger and secondary heat exchanger can work simultaneously, it is also possible to single work, and its condition selecting passes through one-level heat exchange valve with secondary
The opening and closing of level heat exchange valve realizes.Described heat pump controls recirculated water by entrance four-way change-over valve and outlet four-way change-over valve
Flow to, make water source recirculated water be introduced into described vaporizer heat release, transfer heat to heat-conducting medium, after cooling in return waste water again
Secondary heat absorption, forming chamber outer circulation.Described heat pump, by described compressor work, will absorb heat at described vaporizer
Heat-conducting medium passes to described condenser, and completes heat-conducting medium in described condenser and follow with the air-conditioning in air conditioning terminal system
The heat exchange of ring water；After heat-conducting medium after heat transfer cooling is reduced pressure by described expansion valve, back flow back into described vaporizer again
Heat absorption, forms heat pump heat supply circulation.After the heat of the air-conditioner circulating water described condenser of absorption reaches heating temperature, by described wind
Machine circulating pump is transported to described fan coil, completes indoor heat release, returns condenser and again absorbs heat, follow in forming chamber after cooling
Ring.Room air absorbs the heat that fan coil brings, and reaches heating effect.
Under cooling condition, Guan Bi one-level heat exchange valve closes one-level heat-exchanger rig, the water source circulation in water source heat-exchange system
Water only rejects heat to waste water by secondary heat exchanger, after be pumped into the condenser of heat pump by described secondary cycles, inhale
Receive the heat in heat-conducting medium, then return in waste water and again discharge heat, forming chamber outer circulation.Described heat pump does work,
Described vaporizer is passed to by after expanded for the heat-conducting medium completing heat release within the condenser valve blood pressure lowering, and in described vaporizer
Absorb the heat of air-conditioner circulating water in air conditioning terminal system；Heat-conducting medium after heat absorption heats up back flows back into after compressor supercharging
The heat release again of described condenser, forms heat pump refrigeration cycle.Through the air-conditioner circulating water of described vaporizer heat release cooling, by described
Blower fan circulating pump is transported to heat in described fan coil suction chamber, then returns the heat release again of described vaporizer, completes indoor
Circulation, it is achieved the purpose of room temperature lowering.
Divide two-stage to absorb heat in waste water, fully reclaim heat energy, improve the recovery utilization rate of heat energy in waste water, and with this
Meet indoor heating and the cooling needs of waste water source neighboring area.
Further, above-mentioned first-class heat exchanger is the coil pipe that helical disk is located in waste water conveying pipe；Spiral helicine coil pipe, adds
Big heat exchange area between water source recirculated water and waste water, reduces hot waste water and scatters and disappears at conveying heat in course of conveying, carry
The response rate of high heat energy.
Further, above-mentioned secondary heat exchanger is plate type heat exchanger, arranges roundabout runner, be arranged in plate type heat exchanger
In cistern in wastewater treatment process, increase the exhaust-heat absorption efficiency in wastewater treatment process, simultaneously facilitate the clear of cistern
Reason.
Further, above-mentioned primary cycle pump and described secondary cycles pump are screw pump, and screw pump is electricity-driven
Heat pump, can extract more heat.
Further, above-mentioned primary cycle pump and described secondary cycles delivery side of pump end are provided with check valve, it is to avoid one
Between level heat-exchanger rig and secondary heat exchange device, water source recirculated water flows backwards.
Further, the exit of above-mentioned condenser is provided with flow control valve, is circulated by this flow-control valve regulation
Discharge, it is achieved the adjusting heat pump system purpose to single cycle water working application time, reaches to control the effect of indoor temperature.
Further, above-mentioned flow control valve is temperature control valve, and the temperature sensor of this temperature control valve is arranged on
On condenser.Temperature sensing liquid volume in temperature sensor is along with the corresponding expansion or shrinkage of the variations in temperature in condenser.Cold
When in condenser, temperature is higher than setting value, temperature sensing liquid expands, and promotes the spool of above-mentioned flow control valve to turn downwards valve down, reduces
The flow of recirculated water, to increase condensation time, reduces the temperature of heat-conducting medium；When in condenser, temperature is less than setting value, temperature-sensitive
Liquid contraction, back-moving spring promotes the spool of above-mentioned flow control valve to tune up valve, increases the flow of recirculated water, to reduce condensation
Time, put forward the temperature of heat-conducting medium；By the temperature of heat-conducting medium is controlled, it is achieved automatically controlling of indoor temperature.
Further, between above-mentioned thermal cycle delivery side of pump and the entrance of heat exchanger, it is provided with equilibrated valve, in order to
The circulating water pressure of balance cylinder's external circulating system, it is to avoid the thermal cycle pump caused because of pressure inequality damages or power shakiness.
Use above technical scheme, the geothermal utilization method based on Industry Waste water source that the present invention provides, can improve waste water
The recovery utilization rate of middle heat energy, and utilize reclaimed heat energy to meet indoor heating and the cooling needs of waste water source neighboring area.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of the present invention；
Fig. 2 is the structural representation of first-class heat exchanger of the present invention；
Fig. 3 is the structural representation of secondary heat exchanger of the present invention；
Fig. 4 is heat supply duty construction principle schematic of the present invention；
Fig. 5 is cooling condition structural principle schematic diagram of the present invention.
Reference: 1-water source heat-exchange system；11-one-level heat-exchanger rig；111-first-class heat exchanger；1111-coil pipe；
1112-coil inlet；1113-coil outlets；112-primary cycle pump；113-one-level heat exchange valve；12-secondary heat exchange device；
121-secondary heat exchanger；1211-heat exchanger runner；1212-heat exchanger entrance；1213-heat exchanger exit；122-secondary cycles
Pump；123-secondary heat exchange valve；13-check valve；14-equilibrated valve；2-heat pump；21-condenser；22-expansion valve；23-
Vaporizer；24-compressor；25-entrance four-way change-over valve；251～254-entrance four-way change-over valve ports；26-outlet four-way changes
To valve；261～264-outlet four-way change-over valve ports；27-flow control valve；28-temperature sensor；3-air conditioning terminal system；
31-fan coil；32-blower fan circulating pump；4-waste water conveying pipe
Detailed description of the invention
Below in conjunction with accompanying drawing, the embodiment of technical solution of the present invention is described in detail.Following example are only used for
Technical scheme is clearly described, is therefore only used as example, and the protection model of the present invention can not be limited with this
Enclose.
Embodiment 1:
As shown in Figures 1 to 4, the geothermal utilization method based on Industry Waste water source that the present invention provides, utilize heat pump 2
Heat among displacement water source heat-exchange system 1 and air conditioning terminal system 3, balances indoor temperature, reaches indoor effect cool in summer and warm in winter
Really.Water source heat-exchange system 1 includes: one-level heat-exchanger rig 11 and secondary heat exchange device 12.One-level heat-exchanger rig 11 includes going here and there successively
First-class heat exchanger 111, primary cycle pump 112 and the one-level heat exchange valve 113 of connection；This first-class heat exchanger 111 is located at useless for helical disk
Coil pipe 1111 in water conveying pipe 4, and by being opened in coil inlet 1112 and the coil outlets on waste water conveying pipe 4 surface
1113, coil pipe 1111 is formed loop with accessing in water source heat-exchange system 1, absorbs waste water higher heat in course of conveying, carry
The response rate of high heat energy.Secondary heat exchange device 12 includes secondary heat exchanger 121, secondary cycles pump 122 and the secondary being sequentially connected in series
Heat exchange valve 123；This secondary heat exchanger 121 is the internal plate type heat exchanger being provided with roundabout runner 1211, is arranged on useless water-treated
In cistern in journey, by heat exchanger entrance 1212 and the heat exchanger exit 1213 of plate type heat exchanger side, access water source and change
Hot systems 1 is formed loop, supplements the waste water residual heat absorbed in wastewater treatment process.One-level heat-exchanger rig 11 and secondary heat exchange dress
It is linked into heat pump 2 after putting 12 parallel connections, and is all primary cycle pump 112 and the outlet of secondary cycles pump 122 of screw pump
End is respectively provided with a check valve 13, it is to avoid between the two-stage heat-exchanger rig after parallel connection, water source recirculated water flows backwards.
Air conditioning terminal system 3 includes: fan coil 31 and blower fan circulating pump 32, and the outlet of fan coil 31 circulates with blower fan
The entrance of pump 32 is connected by pipeline.The entrance of vaporizer 23 is connected with port 251 and the port 253 of entrance four-way change-over valve 25
After, it is connected with the outlet of water source heat-exchange system 1 and the outlet of blower fan circulating pump 32 respectively；The entrance of condenser 21 and entrance four-way
After the port 152 of reversal valve 25 and port 254 connect, respectively with the outlet of water source heat-exchange system 1 and going out of blower fan circulating pump 32
Mouth connects；After the port 162 of the outlet of vaporizer 23 and inlet/outlet four-way change-over valve 26 and port 164 are connected, respectively with water source
The entrance of heat-exchange system 1 and the entrance of fan coil 31 connect；The outlet of condenser 21 and the port of outlet four-way change-over valve 26
261 and port 263 connect after, be connected with the entrance of water source heat-exchange system 1 and the entrance of fan coil 31 respectively, thus form phase
The most independent outdoor circulation and indoor circulation.
It is heat pump 2 energy supply that water source heat-exchange system 1 absorbs the heat in waste water, and heat pump 2 acting is followed Kano and followed
Ring principle, i.e. Q2=Q1+W(Q2Energy, Q for user's utilization1Waste water heat energy, W for system extraction are the electric energy that system uses),
By inputting a small amount of electric energy, it is possible to achieve low-temperature heat energy shifts to high-temperature position.Water body is respectively as heat pump heating in winter and summer
Season refrigeration heat-conducting medium, be with the heat exchange of water source heat-exchange system 1 after, realized and room by air conditioning terminal system 3
Interior cold and hot exchange, reaches indoor effect cool in summer and warm in winter.
Meanwhile, the exit of condenser 21 is provided with flow control valve 27, and this flow control valve 27 is temperature control valve,
Its temperature sensor 28 is arranged on condenser 21.The control action of temperature sensor 28 is proportion adjustment, its interior temperature sensing liquid
Body volume is along with the uniform expansion or shrinkage of the variations in temperature in condenser 21.When in condenser 21, temperature is higher than setting value, sense
Geothermal liquid expands, and promotes the spool of flow control valve 27 to turn downwards valve down, reduces the flow of recirculated water, during to increase condensation
Between, reduce the temperature of heat-conducting medium；When in condenser 21, temperature is less than setting value, temperature sensing liquid shrinks, and back-moving spring promotes stream
The spool of control valve 27 tunes up valve, increases the flow of recirculated water, to reduce condensation time, improves the temperature leading heat-conducting medium
Degree；Regulate circulating water flow by flow control valve 27, control the heat pump 2 working application time to single cycle water, it is achieved right
The temperature of heat-conducting medium controls, and reaches to automatically control the purpose of indoor temperature.
As shown in Figure 4, the first port 251 of entrance four-way change-over valve 25 and the 4th port 254 are opened, the second port 252
Close with the 3rd port 253；Second port 262 and the 3rd port 263 of outlet four-way change-over valve 26 are opened, the first port 261
Close with the 4th port 264；Water source heat-exchange system 1 is made up of one-level heat-exchanger rig 11 in parallel and secondary heat exchange device 12, and
By one-level heat exchange valve 113 and the opening and closing of secondary heat exchange valve 123, it is achieved one-level heat-exchanger rig 11 and secondary heat exchange device 12 are simultaneously
Or work independently.Water source recirculated water in one-level heat-exchanger rig 11 is drawn relatively in waste water conveying pipe 4 by first-class heat exchanger 111
After high heat, primary cycle pump 112 send in heat pump 2；Water source recirculated water in secondary heat exchange device 12 is by secondary
After remaining waste water heat drawn in cistern by level heat exchanger 111, secondary cycles pump 122 send in heat pump 2.After parallel connection
Water source recirculated water is introduced into vaporizer 23 heat release, transfers heat to heat-conducting medium, returns waste water conveying pipe and water-retention after cooling
Pond is drawn waste water heat, forming chamber outer circulation again.Heat pump 2 is done work by compressor 24, will inhale in vaporizer 23
The heat-conducting medium harvesting heat passes to condenser 21, and completes in condenser 21 in heat-conducting medium and air conditioning terminal system 3
The heat exchange of air-conditioner circulating water；After heat-conducting medium after heat transfer cooling is reduced pressure by expansion valve 22, back flow back into vaporizer 23
Again absorb heat, form heat pump heat supply circulation.After the heat of air-conditioner circulating water draw in cold condenser 21 reaches heating temperature, pass through blower fan
Circulating pump 32 is transported to the fan coil 31 of indoor, completes indoor heat release, returns condenser 21 and again absorb heat after cooling, forming chamber
Interior circulation.Room air absorbs the heat that fan coil 31 brings, and reaches heating effect.
Embodiment 2:
As it is shown in figure 5, the first port 251 of entrance four-way change-over valve 25 and the 4th port 254 are closed, the second port 252
Open with the 3rd port 253；Second port 262 and the 3rd port 263 of outlet four-way change-over valve 26 are closed, the first port 261
Open with the 4th port 264；Meanwhile, because the temperature of waste water conveying pipe is higher, and being closed state, heat-sinking capability is undesirable, closes
Unification level heat exchange valve 113 closes one-level heat-exchanger rig 11, opens secondary heat exchange valve 123, only opens and be placed in open cistern
Secondary heat exchange device 12 be used for dispelling the heat.Water source recirculated water in water source heat-exchange system 1 passes through secondary heat exchanger 121 at cistern
Inside reject heat to waste water, after sent into, by secondary cycles pump 122, the heat that the condenser 21 of heat pump 2 absorbs in heat-conducting medium
Amount, then returns cistern and again discharges heat, forming chamber outer circulation.Heat pump 2 does work,
After completing heat-conducting medium expanded valve 22 blood pressure lowering of heat release in condenser 21, pass to vaporizer 23, and
Vaporizer 23 absorbs the heat of air-conditioner circulating water in air conditioning terminal system 3；Heat-conducting medium after heat absorption intensification is through compressor 24
Back flow back into condenser 21 heat release again after supercharging, form heat pump refrigeration cycle.Air-conditioning Cycle through vaporizer 23 heat release cooling
Water, is transported to heat in fan coil 31 suction chamber by blower fan circulating pump 32, and then Returning evaporimeter 13 heat release again, completes
Indoor circulation, it is achieved the purpose of room temperature lowering.
Using above technical scheme, the geothermal utilization method based on Industry Waste water source that the present invention provides, at heat supplying process
In, reclaim the heat in waste water by two-stage, especially by one-level heat-exchange device 11 recovery waste water conveying pipe 4 early
Higher heat energy, greatly improves the recovery utilization rate of heat energy in waste water, and utilizes reclaimed heat energy to meet waste water source week
The indoor heating of edge regions and cooling needs.
It should be noted that preferred embodiment above is only in order to illustrate technical scheme, it is not intended to limit；To the greatest extent
The present invention has been described in detail by pipe with reference to previous embodiment, it will be understood by those within the art that: it is still
Technical scheme described in previous embodiment can be modified, or the most some or all of technical characteristic is carried out
With replacing；And these amendments or replacement, do not make the essence of appropriate technical solution depart from embodiment of the present invention technical scheme
Scope, it all should be contained in the middle of the claim of the present invention and the scope of description.
Claims (8)
1. a geothermal utilization method based on Industry Waste water source, it is characterised in that
It is to utilize the heat among heat pump displacement water source heat-exchange system and air conditioning terminal system, to balance indoor temperature；Its
In
Described water source heat-exchange system includes: one-level heat-exchanger rig and secondary heat exchange device；Described one-level heat-exchanger rig includes successively
First-class heat exchanger, primary cycle pump and the one-level heat exchange valve of series connection, described first-class heat exchanger is arranged in waste water conveying pipe；Described
Secondary heat exchange device includes secondary heat exchanger, secondary cycles pump and the secondary heat exchange valve being sequentially connected in series, and described secondary heat exchanger is pacified
It is contained in the cistern in wastewater treatment process；Described one-level heat-exchanger rig and described secondary heat exchange device are in parallel；
Described air conditioning terminal system includes: fan coil and blower fan circulating pump, and fan coil passes through with the entrance of blower fan circulating pump
Placed in series；
Described heat pump includes: compressor, vaporizer, expansion valve, condenser, entrance four-way change-over valve and outlet four-way commutation
Valve, compressor, vaporizer, expansion valve and condenser are sequentially connected formation loop；
After the entrance of vaporizer is connected with two ports of entrance four-way change-over valve, respectively with outlet and the sky of water source heat-exchange system
The outlet adjusting end system connects；After the entrance of condenser is connected with the another two port of entrance four-way change-over valve, respectively with water
The outlet of source heat-exchange system and the outlet of air conditioning terminal system connect；The outlet of vaporizer and two ends of outlet four-way change-over valve
After mouth connects, it is connected with the entrance of water source heat-exchange system and the entrance of air conditioning terminal system respectively；The outlet of condenser and outlet
After the another two port of four-way change-over valve connects, it is connected with entrance and the air conditioning terminal system entry of water source heat-exchange system respectively.
Geothermal utilization method based on Industry Waste water source the most according to claim 1, it is characterised in that described one-level heat exchange
Device is the coil pipe that helical disk is located in waste water conveying pipe.
Geothermal utilization method based on Industry Waste water source the most according to claim 1, it is characterised in that described secondary heat exchange
Device is plate type heat exchanger, arranges roundabout runner in described plate type heat exchanger.
Geothermal utilization method based on Industry Waste water source the most according to claim 1, it is characterised in that described primary cycle
Pump and described secondary cycles pump are screw pump.
Geothermal utilization method based on Industry Waste water source the most according to claim 1, it is characterised in that described primary cycle
Pump and described secondary cycles delivery side of pump end are provided with check valve.
Geothermal utilization method based on Industry Waste water source the most according to claim 1, it is characterised in that described condenser
Exit is provided with flow control valve.
Geothermal utilization method based on Industry Waste water source the most according to claim 8, it is characterised in that described flow-control
Valve is temperature control valve, and the temperature sensor of temperature control valve is arranged on condenser.
Geothermal utilization method based on Industry Waste water source the most according to claim 1, it is characterised in that described water source heat exchange
Equilibrated valve it is provided with between system outlet and entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771559.3A CN106322827B (en) | 2016-08-30 | 2016-08-30 | Geothermal utilization method based on Industry Waste water source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771559.3A CN106322827B (en) | 2016-08-30 | 2016-08-30 | Geothermal utilization method based on Industry Waste water source |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106052A (en) * | 2018-01-10 | 2018-06-01 | 浙江大学舟山海洋研究中心 | Cold energy secondary recovery utilizes system in aquatic products frozen product defrosting waste water |
| CN110513751A (en) * | 2019-09-20 | 2019-11-29 | 北京民利储能技术有限公司 | A kind of earth source heat pump heating plant using phase-changing energy-storing |
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| JP2002030717A (en) * | 2000-07-18 | 2002-01-31 | Ace Plan:Kk | Sewer for constructing sewage-utilizing heat-source facility |
| JP2008241226A (en) * | 2007-03-29 | 2008-10-09 | Mayekawa Mfg Co Ltd | Sewage heat collecting facility and sewage heat utilization system |
| CN102927836A (en) * | 2012-11-07 | 2013-02-13 | 青岛经济技术开发区海尔热水器有限公司 | Energy-saving heat exchanger for recovering waste heat |
| CN202938548U (en) * | 2012-10-15 | 2013-05-15 | 河南三张新能源有限公司 | Central air-conditioning cold/hot water system for industrial waste heat recycling |
| CN103644590A (en) * | 2013-12-20 | 2014-03-19 | 石家庄国融安能分布能源技术有限公司 | Distributed heat pump heating system utilizing circulating water waste heat |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002030717A (en) * | 2000-07-18 | 2002-01-31 | Ace Plan:Kk | Sewer for constructing sewage-utilizing heat-source facility |
| JP2008241226A (en) * | 2007-03-29 | 2008-10-09 | Mayekawa Mfg Co Ltd | Sewage heat collecting facility and sewage heat utilization system |
| CN202938548U (en) * | 2012-10-15 | 2013-05-15 | 河南三张新能源有限公司 | Central air-conditioning cold/hot water system for industrial waste heat recycling |
| CN102927836A (en) * | 2012-11-07 | 2013-02-13 | 青岛经济技术开发区海尔热水器有限公司 | Energy-saving heat exchanger for recovering waste heat |
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| CN108106052A (en) * | 2018-01-10 | 2018-06-01 | 浙江大学舟山海洋研究中心 | Cold energy secondary recovery utilizes system in aquatic products frozen product defrosting waste water |
| CN108106052B (en) * | 2018-01-10 | 2023-12-22 | 浙江大学舟山海洋研究中心 | Cold secondary recycle system in frozen aquatic products wastewater that unfreezes |
| CN110513751A (en) * | 2019-09-20 | 2019-11-29 | 北京民利储能技术有限公司 | A kind of earth source heat pump heating plant using phase-changing energy-storing |
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| CN106322827B (en) | 2018-10-19 |
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