CN206919446U - A kind of source pump of sewage as direct Cooling and Heat Source - Google Patents
A kind of source pump of sewage as direct Cooling and Heat Source Download PDFInfo
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- CN206919446U CN206919446U CN201720634516.0U CN201720634516U CN206919446U CN 206919446 U CN206919446 U CN 206919446U CN 201720634516 U CN201720634516 U CN 201720634516U CN 206919446 U CN206919446 U CN 206919446U
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Abstract
The utility model discloses a kind of source pump of sewage as direct Cooling and Heat Source, it solves that heat exchange efficiency in the prior art is low, refrigerant storage has problem, switching with achievable refrigerant flow direction, so as to reach the steady beneficial effect excessively run of unit Winter heat supply and cooling in summer, its scheme is as follows:Source pump includes clear water/refrigerant heat exchanger and sewage/refrigerant heat exchanger, and sewage/refrigerant heat exchanger is full liquid shell and tube exchanger, and in Bottomhole pressure, refrigerant evaporates or condensed outside pipe sewage;Returning heat-exchanger, the Returning heat-exchanger are attached respectively by check valve and clear water/refrigerant heat exchanger, sewage/refrigerant heat exchanger;Compressor, compressor are connected respectively by a four-way reversing valve group with two heat exchangers, Returning heat-exchangers;Gas-liquid separator, gas-liquid separator is located between four-way reversing valve group and Returning heat-exchanger, and gas-liquid separator is attached respectively with two heat exchangers.
Description
Technical field
Water source heat pump technology field is the utility model is related to, more particularly to a kind of heat pump of sewage as direct Cooling and Heat Source
Unit.
Background technology
Traditional heat pump air conditioner unit has strict requirements to water quality.Therefore at present in the heat pump using urban original wastewater
In system be mostly avoid sewage enter directly into source pump evaporator or condenser and the measure of an intermediate heat transfer is set,
I.e. so-called " indirect type system ", this indirect type system will not only increase intermediate heat transfer equipment but also to increase the (fire of system
With) loss;Indirect type system footprint area is big simultaneously, and system pump energy consumption is too high, will all limit pushing away for sewage source heat pump technology
Wide and application.In addition, when heat source side water quality it is poor, directly with source pump exchange heat, the meeting when Summer and winter water system pipeline switches
Room conditioning end is polluted, the use to user is made troubles.Simultaneously as two heat exchangers have respectively in Summer and winter it is different
Effect, when the heat transferring medium of especially outdoor heat exchanger is the non-clean water sources such as municipal sewage, will certainly cause two heat exchangers
The difference of volume size, this generates the storage problem of excess refrigerant in pipeline.
Therefore, it is necessary to carry out new research and design to a kind of source pump of sewage as direct Cooling and Heat Source.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of heat pump machine of sewage as direct Cooling and Heat Source
Group, the source pump directly use the non-clean water source such as municipal sewage as heat pump Cooling and Heat Source, by the switching of refrigerant line,
To reach the purpose of refrigeration and heating.
A kind of sewage is as follows as the concrete scheme of the source pump of direct Cooling and Heat Source:
A kind of source pump of sewage as direct Cooling and Heat Source, including:
Clear water/refrigerant heat exchanger and sewage/refrigerant heat exchanger, sewage/refrigerant heat exchanger are water source side sewage/system
Cryogen heat exchanger, municipal sewage, underground water or water of river, lake and sea water source are connected to by water-in and water-out pipeline;Sewage/refrigerant
Heat exchanger is full liquid shell and tube exchanger, and in Bottomhole pressure, refrigerant evaporates or condensed outside pipe sewage;
Returning heat-exchanger, the Returning heat-exchanger are changed by check valve and clear water/refrigerant heat exchanger, sewage/refrigerant
Hot device is attached respectively;
Compressor, compressor are connected respectively by a four-way reversing valve group with two heat exchangers, Returning heat-exchangers;
Gas-liquid separator, gas-liquid separator be located between four-way reversing valve group and Returning heat-exchanger, and gas-liquid separator with
Two heat exchangers are attached respectively.
Source pump in the utility model, system is realized by using the pipeline reversing service of the compositions such as four-way reversing valve group
The switching of cryogen flow direction, and sewage is walked in pipe in sewage/refrigerant heat exchanger, refrigerant is walked outside pipe, and heat exchanger both sides set envelope
Head, cleaning heat exchanger is easy to open, is advantageous to improve heat exchange efficiency.
Heat exchanger tube in the sewage/refrigerant heat exchanger is into triangular arranged, and number of tube passes is 4 flows, Guan Paishang
Lower arrangement;The superiors' heat exchanger tube centre-height is 3/4 times of housing inner diameter, and orlop heat exchanger tube centre-height is 1/5 housing
Internal diameter.
Smooth inner wall is used in the sewage/refrigerant heat exchanger heat exchanger tube, such fouling is few, avoids heat exchanger tube from being blocked
Plug, it is ensured that sewage is smooth in Bottomhole pressure, manage it is outer use three-dimensional low fin tube, can enhanced water evaporation and condensation effect simultaneously.
Clear water/the refrigerant heat exchanger is indoor clear water/refrigerant heat exchanger, is connected to by water-in and water-out pipeline
User side;Clear water/refrigerant heat exchanger is full liquid shell and tube exchanger, clear water in Bottomhole pressure, refrigerant evaporated outside pipe or
Condensation.
For the clear water/refrigerant heat exchanger heat exchanger tube into triangular arranged, number of tube passes is 2 flows, and pipe arranges cloth up and down
Put;The superiors' heat exchanger tube centre-height is 3/4 times of housing inner diameter, and orlop heat exchanger tube centre-height is 1/5 housing inner diameter,
In addition, the both sides end socket of two heat exchangers can be opened, it is convenient to clean dirt in inner tube of heat exchanger.
Ribbing or internal thread is used to be managed outer using three-dimensional with enhanced heat exchange in the clear water/refrigerant heat exchanger heat exchanger tube
Low fin tube, while enhanced water evaporation/condensation effect.
Expansion valve and device for drying and filtering are provided between the Returning heat-exchanger and described gas-liquid separator, expansion valve is
Ball float expansion valve.
The four-way reversing valve group includes valve A, valve B, valve C and valve D, when valve A, valve D open, valve B,
Valve C is closed, and system is in heating state;When valve B, valve C are opened, valve A, valve D are closed, and system is in refrigeration shape
State, only once, the problems such as four-way reversing valve can be avoided stuck or revealed, and cost was low, securely and reliably, easily for switching in 1 year for Summer and winter
In operation.
Above-mentioned source pump also includes receiver, and receiver is located between gas-liquid separator and two heat exchangers, the summer in winter
It is temporary transient by receiver for guarantee heat exchanger E1, E2 normal work, unnecessary refrigerant liquid during season unit refrigerant side switching
Storage.
The receiver by magnetic valve V1, magnetic valve V2 respectively with clear water/refrigerant heat exchanger E1, sewage/refrigerant
Heat exchanger E2 is connected, and magnetic valve V1 is opened, and magnetic valve V2 is closed, and source pump is in refrigerating state;Magnetic valve V1 is closed, electromagnetism
Valve V2 is opened, and source pump is in heating state;By using groups such as four-way reversing valve group, magnetic valve, check valves in the program
Into pipeline reversing service realize the switching of refrigerant flow direction, so as to reach the steady of unit Winter heat supply and cooling in summer
Excessively operation.
Compared with prior art, the beneficial effects of the utility model are:
1) the utility model makes full use of Cooling and Heat Source of the non-clean water source such as urban original wastewater as source pump, uses
The pipeline reversing service of the compositions such as four-way reversing valve group, magnetic valve, check valve realizes the switching of refrigerant flow direction, so as to reaching
The steady excessively operation of unit Winter heat supply and cooling in summer;
2) the utility model instead of the non-clean water such as the switching of water system pipeline, municipal sewage using refrigerant line switching
Source only pollutes to the heat exchanger of outside, avoids the pollution of room conditioning water system;
3) the utility model heat exchanger is using full liquid shell and tube exchanger, and pipe row is centrally arranged, using three-dimensional outside heat exchanger tube
Low rib enhanced heat exchange, take into account evaporative condenser double effectses, set heat exchange efficiency high;
4) the utility model uses Returning heat-exchanger, improves the coefficient of performance of unit.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not form the improper restriction to the application.
Fig. 1 is the systematic schematic diagram of the utility model embodiment;
Fig. 2 is the four-way reversing valve group structure principle chart of the utility model embodiment;
Fig. 3 is the clear water/refrigerant heat exchanger structural principle front view of the utility model embodiment;
Fig. 4 is the clear water/refrigerant heat exchanger structural principle side view of the utility model embodiment;
Fig. 5 is the sewage/refrigerant heat exchanger structural principle side view of the utility model embodiment;
Fig. 6 is the sewage/refrigerant heat exchanger structural principle front view of the utility model embodiment;
Fig. 7 is the cooling condition systematic schematic diagram of the utility model embodiment.
Fig. 8 is the heating condition systematic schematic diagram of the utility model embodiment.
In figure, 1, compressor, 2, four-way reversing valve group, 3, gas-liquid separator, 4, Returning heat-exchanger, 5, device for drying and filtering,
6th, ball float expansion valve, 7, reservoir, E1, indoor clear water/refrigerant heat exchanger, E2, outside sewage/refrigerant heat exchanger,
V1/V2, magnetic valve, P1/P2, check valve, 8, clear water/refrigerant heat exchanger heat exchanger tube, 9, clear water/refrigerant heat exchanger bearing,
10th, sewage/refrigerant heat exchanger heat exchanger tube, 11, dividing plate, 12, sewage/refrigerant heat exchanger bearing.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, the deficiencies in the prior art, in order to solve technical problem as above, this Shen
It please propose a kind of source pump of sewage as direct Cooling and Heat Source.
In a kind of typical embodiment of the application, Fig. 1 give the utility model one kind using urban original wastewater as
The systematic schematic diagram of the source pump of direct Cooling and Heat Source, including be sequentially connected and form the compressor 1 of circulation loop, four-way commutation
Valve group 2, gas-liquid separator 3, Returning heat-exchanger 4, device for drying and filtering 5, ball float expansion valve 6,7, two heat exchanger E1 of receiver,
E2, two check valve P1, P2, two magnetic valves V1, V2.Wherein, the outlet of compressor 1 is through four-way reversing valve group 2 and heat exchanger
E1 one end is connected, and the heat exchanger E1 other end is connected through check valve P1 with Returning heat-exchanger 4, and the one end of Returning heat-exchanger 4 is through dry
Dry filter 5, ball float expansion valve 6 are connected with gas-liquid separator 3, and one end of gas-liquid separator 3 is connected with receiver 7, receiver 7
The other end be connected respectively with heat exchanger E1 and heat exchanger E2 by magnetic valve V1, V2, heat exchanger E2 one end is through check valve P2
It is connected with one end of Returning heat-exchanger, the heat exchanger E2 other ends pass through four-way reversing valve 2, gas-liquid separator 3 and Returning heat-exchanger 4
One end be connected, the other end of Returning heat-exchanger 4 is connected with the entrance of compressor 1.
Fig. 2 gives the four-way reversing valve group of the utility model embodiment, and it is made up of four common stop valves, works as valve
Door A, D are opened, and valve B, C are closed, and system is in heating state;When valve B, C are opened, valve A, D are closed, and system is in refrigeration
State, only once, the problems such as four-way reversing valve can be avoided stuck or revealed, and cost was low for switching in 1 year for Summer and winter, securely and reliably,
It is easily operated.
Fig. 3 and Fig. 4 gives the clear water/refrigerant heat exchanger structural principle front view and side of the utility model embodiment
View.
Heat exchanger E1 is indoor clear water/refrigerant heat exchanger, and the heat exchanger is entered by clear water/refrigerant heat exchanger bearing 9
Row support, for clear water/refrigerant heat exchanger heat exchanger tube 8 into triangular arranged, number of tube passes is 2 flows, and pipe row arranges up and down;Most
Upper strata heat exchanger tube centre-height is 3/4 times of housing inner diameter, and orlop heat exchanger tube centre-height is 1/5 housing inner diameter, in addition,
The both sides end socket of two heat exchangers can be opened, convenient to clean dirt in inner tube of heat exchanger.
As shown in Figure 5 and Figure 6, heat exchanger E2 is outside sewage/refrigerant heat exchanger, and two heat exchangers are full liquid package
Formula heat exchanger, sewage/refrigerant heat exchanger are water source side sewage/refrigerant heat exchanger, and city is connected to by water-in and water-out pipeline
Sewage, underground water or water of river, lake and sea water source;Sewage/refrigerant heat exchanger is full liquid shell and tube exchanger, and sewage is in pipe
Flowing, refrigerant evaporate or condensed in sewage/refrigerant heat exchanger heat exchanger tube 10 into triangular arranged, number of tube passes outside pipe
For 4 flows, pipe row arranges that middle part sets dividing plate 11 up and down;The superiors' heat exchanger tube centre-height is 3/4 times of housing inner diameter, most
Lower floor's heat exchanger tube centre-height is 1/5 housing inner diameter, and heat exchanger is supported by sewage/refrigerant heat exchanger bearing 12.
Heat exchanger E1 is connected to user side by water-in and water-out pipeline;Heat exchanger E2 is sewage direct-type heat exchanger, by entering
Outlet conduit is connected to the water sources such as municipal sewage, underground water, water of river, lake and sea.
When four-way reversing valve group valve A, D are opened, valve B, C are closed, and system is in heating state, and magnetic valve V1 is closed,
Magnetic valve V2 is opened;When valve B, C are opened, valve A, D are closed, and system is in refrigerating state, and magnetic valve V1 is opened, magnetic valve V2
Close.
Receiver 7 is set, it is unnecessary to ensure heat exchanger E1, E2 normal work when Summer and winter unit refrigerant side switches
Refrigerant liquid is temporarily stored by receiver 7.
The utility model has following two work operating modes:
1st, cooling condition
As shown in Figure 7:When valve B, C are opened in four-way reversing valve group 2, valve A, D are closed, and magnetic valve V1 is opened, electromagnetism
Valve V2 is closed, and system is in refrigerating state.The refrigerant vapour of the HTHP come out from compressor 1, through four-way reversing valve group 2
Middle valve B is entered in heat exchanger E2, and the non-clean water such as refrigerant vapour and municipal sewage carries out heat exchange, and refrigerant is from high temperature
High steam is condensed into the liquid of medium temperature high pressure, and Returning heat-exchanger 4 is entered through check valve P2, and from gas-liquid separator 3
Refrigerant gas carries out heat exchange, then by device for drying and filtering 5, by the system that the reducing pressure by regulating flow of ball float expansion valve 6 is low-temp low-pressure
Cryogen liquid, successively by gas-liquid separator 3, receiver 7, magnetic valve V1, the heat of absorption refrigerating medium in heat exchanger E1,
And the refrigerating medium after cooling is delivered into each user terminal and carries out cooling;Liquid refrigerant becomes gaseous state after absorbing refrigerating medium heat, passes through
Valve C in four-way reversing valve group 2, is re-introduced into liquid separator 3, then through Returning heat-exchanger 4 with coming from heat exchanger E2
The refrigerant liquid of medium temperature high pressure carry out heat exchange, become the gas of medium temperature low pressure, come back to compressor 1, form one
Refrigerating circuit simultaneously so circulates.When cryogenic temperature reaches design temperature, unit is unloaded and shut down.
2nd, heating condition
As shown in Figure 8:When valve A, D are opened in four-way reversing valve group 2, valve B, C are closed, and magnetic valve V1 is closed, electromagnetism
Valve V2 is opened, and system is in heating state.The refrigerant vapour of the HTHP come out from compressor (1), through four-way reversing valve
Valve A is entered in heat exchanger E1 in group 2, carries out heat exchange with the heating circulation water from end, heating circulation water heat absorption carries
Each user terminal is delivered to after high-temperature to be heated;After heat exchanger E1, the refrigerant vapour of HTHP is changed into medium temperature high pressure
Refrigerant liquid, then Returning heat-exchanger 4 is entered through check valve P1, carry out heat with the refrigerant gas from gas-liquid separator 3
Exchange, then by device for drying and filtering 5, by the refrigerant liquid that the reducing pressure by regulating flow of ball float expansion valve 6 is low-temp low-pressure, pass through successively
Gas-liquid separator 3, receiver 7, magnetic valve V2, water non-clean with municipal sewage etc. carries out heat exchange in heat exchanger E2, absorbs
Evaporation is changed into the refrigerant gas of low-temp low-pressure after heat therein, by valve D in four-way reversing valve group 2, is re-introduced into
Gas-liquid separator 3, the refrigerant liquid then through Returning heat-exchanger 4 and the medium temperature high pressure from heat exchanger E2 carry out heat exchange,
It is changed into the refrigerant gas of medium temperature low pressure, comes back to compressor 1, forms a heating loop and so circulate.When heating temperature
When degree reaches design temperature, unit is unloaded and shut down.
The preferred embodiment of the application is the foregoing is only, is not limited to the application, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
- A kind of 1. source pump of sewage as direct Cooling and Heat Source, it is characterised in that including:Clear water/refrigerant heat exchanger and sewage/refrigerant heat exchanger, sewage/refrigerant heat exchanger are water source side sewage/refrigerant Heat exchanger, municipal sewage, underground water or water of river, lake and sea water source are connected to by water-in and water-out pipeline;Sewage/refrigerant heat exchanger Device is full liquid shell and tube exchanger, and in Bottomhole pressure, refrigerant evaporates or condensed outside pipe sewage;Returning heat-exchanger, the Returning heat-exchanger pass through check valve and clear water/refrigerant heat exchanger, sewage/refrigerant heat exchanger It is attached respectively;Compressor, compressor are connected respectively by a four-way reversing valve group with two heat exchangers, Returning heat-exchangers;Gas-liquid separator, gas-liquid separator is located between four-way reversing valve group and Returning heat-exchanger, and gas-liquid separator and two Heat exchanger is attached respectively.
- A kind of 2. source pump of the sewage according to claim 1 as direct Cooling and Heat Source, it is characterised in that the dirt For heat exchanger tube in water/refrigerant heat exchanger into triangular arranged, number of tube passes is 4 flows, and pipe row arranges up and down;The superiors change Heat pipe centre-height is 3/4 times of housing inner diameter, and orlop heat exchanger tube centre-height is 1/5 housing inner diameter.
- A kind of 3. source pump of the sewage according to claim 1 as direct Cooling and Heat Source, it is characterised in that the dirt Smooth inner wall is used in water/refrigerant heat exchanger heat exchanger tube, is managed outer using three-dimensional low fin tube.
- 4. source pump of a kind of sewage according to claim 1 as direct Cooling and Heat Source, it is characterised in that described clear Water/refrigerant heat exchanger is indoor clear water/refrigerant heat exchanger, and user side is connected to by water-in and water-out pipeline;Clear water/system Cryogen heat exchanger is full liquid shell and tube exchanger, and in Bottomhole pressure, refrigerant evaporates or condensed outside pipe clear water.
- 5. source pump of a kind of sewage as direct Cooling and Heat Source according to claim 1 or 4, it is characterised in that described For clear water/refrigerant heat exchanger heat exchanger tube into triangular arranged, number of tube passes is 2 flows, and pipe row arranges up and down;The superiors exchange heat Tube hub is highly 3/4 times of housing inner diameter, and orlop heat exchanger tube centre-height is 1/5 housing inner diameter.
- 6. source pump of a kind of sewage according to claim 5 as direct Cooling and Heat Source, it is characterised in that described clear Ribbing or internal thread are used in water/refrigerant heat exchanger heat exchanger tube, is managed outer using three-dimensional low fin tube.
- A kind of 7. source pump of the sewage according to claim 1 as direct Cooling and Heat Source, it is characterised in that the backheat Expansion valve and device for drying and filtering are provided between exchanger and described gas-liquid separator.
- A kind of 8. source pump of the sewage according to claim 1 as direct Cooling and Heat Source, it is characterised in that the four-way Commutation valve group includes valve A, valve B, valve C and valve D, and when valve A, valve D are opened, valve B, valve C are closed, at system In heating state;When valve B, valve C are opened, valve A, valve D are closed, and system is in refrigerating state.
- 9. source pump of a kind of sewage according to claim 1 as direct Cooling and Heat Source, it is characterised in that also include storage Flow container, receiver are located between gas-liquid separator and two heat exchangers.
- A kind of 10. source pump of the sewage according to claim 9 as direct Cooling and Heat Source, it is characterised in that the storage Flow container is connected with clear water/refrigerant heat exchanger E1, sewage/refrigerant heat exchanger E2 respectively by magnetic valve V1, magnetic valve V2, electricity Magnet valve V1 is opened, and magnetic valve V2 is closed, and source pump is in refrigerating state;Magnetic valve V1 is closed, and magnetic valve V2 is opened, heat pump machine Group is in heating state.
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CN201720634516.0U CN206919446U (en) | 2017-06-02 | 2017-06-02 | A kind of source pump of sewage as direct Cooling and Heat Source |
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CN201720634516.0U CN206919446U (en) | 2017-06-02 | 2017-06-02 | A kind of source pump of sewage as direct Cooling and Heat Source |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107101412A (en) * | 2017-06-02 | 2017-08-29 | 山东中瑞新能源科技有限公司 | A kind of sewage as direct Cooling and Heat Source source pump |
CN108931031A (en) * | 2018-06-28 | 2018-12-04 | 湖南湖大瑞格能源科技有限公司 | A kind of energy-saving control method and system of depth lake water source heat pump system |
-
2017
- 2017-06-02 CN CN201720634516.0U patent/CN206919446U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107101412A (en) * | 2017-06-02 | 2017-08-29 | 山东中瑞新能源科技有限公司 | A kind of sewage as direct Cooling and Heat Source source pump |
CN107101412B (en) * | 2017-06-02 | 2023-06-13 | 山东中瑞新能源科技有限公司 | Heat pump unit with sewage as direct cold and heat source |
CN108931031A (en) * | 2018-06-28 | 2018-12-04 | 湖南湖大瑞格能源科技有限公司 | A kind of energy-saving control method and system of depth lake water source heat pump system |
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