CN206339124U - A kind of transcritical CO_2 heat pump refrigerating heating system gas cooler - Google Patents
A kind of transcritical CO_2 heat pump refrigerating heating system gas cooler Download PDFInfo
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- CN206339124U CN206339124U CN201621372872.1U CN201621372872U CN206339124U CN 206339124 U CN206339124 U CN 206339124U CN 201621372872 U CN201621372872 U CN 201621372872U CN 206339124 U CN206339124 U CN 206339124U
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Abstract
The utility model is related to a kind of Trans-critical cycle CO2Heat pump refrigerating heating system gas cooler, belong to technical field of heat pumps, including gas cooler body, gas cooler body includes the housing one and housing two of series connection, the left upper portion of the housing one is provided with one-level air inlet and Municipal secondary effluent mouthful, the left lower of housing one is provided with one-level exhaust outlet, the lower right side of housing one is provided with two grades of water inlets, the right upper portion of the housing two is provided with the one-level discharge outlet being connected with two grades of water inlets, the left lower of housing two is provided with one-level water inlet and secondary exhaust, the left upper portion of housing two is provided with the secondary inlet mouthful being connected with one-level exhaust outlet, heat exchanger tube is equipped with the housing one and housing two, heat exchanger tube is fixed on tube sheet, the outer wall of heat exchanger tube is arranged at intervals with deflection plate.The utility model has the structure type exchanged heat using twin-stage, it is possible to increase heat exchange efficiency, and can reduce water and CO2Flow resistance, the advantage of higher pressure can be born.
Description
Technical field
The utility model is related to a kind of Trans-critical cycle CO2Heat pump refrigerating heating system gas cooler, belongs to heat pump techniques
Field, be particularly suitable for use in water earth-source hot-pump system.
Background technology
Gas cooler is CO2The heat output part of Trans-critical cycle water earth-source hot-pump system, its structure and heat transfer effect pair
The Energy Efficiency Ratio of CO2 Trans-critical cycle heat pumps（COP）Influence is larger, and therefore, the heat exchange of gas cooler and drooping characteristic are to whole
CO2The raising of Trans-critical cycle heat pump system efficiency plays very important effect.
Trans-critical cycle CO2In heat pump refrigerating heating system, CO2Exothermic process be supercritical region carry out, exchange heat as CO2
The sensible heat of itself, with larger temperature glide.CO in the region2Higher specific heat at constant pressure can be kept, simultaneously as this is put
Thermal process crosses over CO2Pseudocritical region domain, therefore physical property with temperature change influence it is larger.The CO of gas cooler entrance2
For supercritical fluid of the pressure and temperature all more than critical point, postcritical CO2It is a kind of between gaseous state and liquid
State, its density is close to liquid CO2, while have close to the gaseous viscosity of CO2 and diffusion coefficient again.When temperature is higher
When, supercritical CO2Closer to CO2 gas characteristics；When the temperature is low, it is closer to liquid CO2Characteristic, therefore CO2's
Physical property is larger with the change influence of temperature.
CO2The efficiency of gas cooler is directly connected to the temperature and flow of water earth source heat pump water outlet, using efficient gas
Body cooler can reduce CO2CO2 gas cooler exit temperatures, can not only improve systematic function, and can reduce CO2
Heat transfer temperature difference between cooling water, improves the outlet temperature of hot water.But, existing CO2Gas cooler in heat pump
Heat exchange efficiency is relatively low, whole CO2The performance of heat pump is low.
The content of the invention
For technical deficiency more than solving, the utility model provides a kind of Trans-critical cycle CO2Heat pump refrigerating heating system
With gas cooler, the structure type exchanged heat using twin-stage, it is possible to increase heat exchange efficiency, and water and CO can be reduced2Flowing
Resistance, can bear higher pressure.
The technical solution of the utility model is as follows：A kind of Trans-critical cycle CO2Heat pump refrigerating heating system gas cooler, bag
Gas cooler body is included, the gas cooler body includes the housing one and housing two of series connection, the left side of the housing one
Top is provided with one-level exhaust outlet, the right side of housing one provided with one-level air inlet and Municipal secondary effluent mouthful, the left lower of housing one
Portion is provided with two grades of water inlets, and the right upper portion of the housing two is provided with the one-level discharge outlet being connected with two grades of water inlets, housing two
Left lower be provided with one-level water inlet and secondary exhaust, the left upper portion of housing two is provided with two be connected with one-level exhaust outlet
Heat exchanger tube is equipped with level air inlet, the housing one and housing two, heat exchanger tube is fixed on tube sheet, the outer wall interval of heat exchanger tube
It is provided with deflection plate.
The technical solution of the utility model also includes：The housing one and housing two are equipped with expansion valve.
The technical solution of the utility model also includes：The left end of the housing one is provided with bobbin carriage, one-level air inlet and one-level
Exhaust outlet is located at the upper and lower part of bobbin carriage respectively, and the middle part of bobbin carriage is provided with dividing plate, and the left end of bobbin carriage is connected with capping flange, manages
The right-hand member of case is connected with tube sheet, and the Municipal secondary effluent mouthful is located at the right side of tube sheet, and the right-hand member of housing one is provided with end socket.
The technical solution of the utility model also includes：The right side central of the tube sheet is connected with pull bar, and the outside of pull bar is set
There is distance sink tube, the end of pull bar is fixed on deflection plate.
The technical solution of the utility model also includes：The deflection plate is in level list arch, above and below the breach of deflection plate is in
Arrangement.
The technical solution of the utility model also includes：The housing one and housing two are connected by saddle, under housing two
Side is connected with saddle, and the saddle is fixed by foundation bolt.
The technical solution of the utility model also includes：The heat exchanger tube is arranged in equilateral triangle.
The beneficial effects of the utility model are：The structure exchanged heat using twin-stage, that is, design the heat exchange housing of two series connection, will
CO2Import and low temperature water inlet are separately positioned on different heat exchange housings, make high-temperature gas CO2With water at low temperature reverse heat-exchange, and
By single heat exchange housing design into Fixed Tubesheet Structure, it can make simple in construction, tight while overall heat exchange efficiency is improved
Gather, higher pressure can be born, reduce water and CO2Flow resistance.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is Fig. 1 I portions enlarged diagram.
Fig. 3 is schematic side view of the present utility model.
100th, housing one, 200, housing two, 2, one-level air inlet, 3, one-level exhaust outlet, 4, secondary inlet mouthful, 5, two grades of rows
Gas port, 6, one-level water inlet, 7, one-level discharge outlet, 8, two grades of water inlets, 9, Municipal secondary effluent mouthful, 10, expansion valve, 11, deflection plate,
12nd, distance sink tube, 13, saddle, 14, foundation bolt, 15, heat exchanger tube, 16, pull bar, 17, tube sheet, 18, dividing plate, 19, bobbin carriage, 20, envelope
Lid flange, 21, end socket.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the utility model is described in further detail.
As shown in Figure 1 to Figure 3, a kind of transcritical CO_2 heat pump refrigerating heating system gas cooler of the present utility model,
Including gas cooler body, the gas cooler body uses the structure that twin-stage exchanges heat, includes the housing 1 and shell of series connection
Body 2 200, the left upper portion of housing 1 is provided with one-level air inlet 2 and Municipal secondary effluent mouthful 9, and the left lower of housing 1 is set
There is one-level exhaust outlet 3, the lower right side of housing 1 is provided with two grades of water inlets 8, and the right upper portion of housing 2 200 is provided with and two
The one-level discharge outlet 7 that level water inlet 8 is connected, the left lower of housing 2 200 is provided with one-level water inlet 6 and secondary exhaust 5, shell
The left upper portion of body 2 200 is provided with the secondary inlet mouthful 4 being connected with one-level exhaust outlet 3, housing 1 and housing 2 200
Provided with heat exchanger tube 15, heat exchanger tube 15 is fixed on tube sheet 17, and the outer wall of heat exchanger tube 15 is arranged at intervals with deflection plate 11.By CO2Enter
Mouth and low temperature water inlet are separately positioned on different heat exchange housings, make high-temperature gas CO2With water at low temperature reverse heat-exchange, and will be single
Individual heat exchange housing design into Fixed Tubesheet Structure, can improve overall heat exchange efficiency while, make it is simple in construction, compact,
Higher pressure can be born, reduces water and CO2Flow resistance.
In embodiment of the present utility model, housing 1 and housing 2 200 are equipped with expansion valve 10, to avoid heat exchanger tube
15 with the wall temperature of housing when differing larger, and larger thermal stress is produced in housing and tube bank.Deflection plate 11 is designed to horizontal Dan Gong
The breach of arch is designed with shape, i.e. deflection plate 11, and the bottom level of breach, specifically, the breach of deflection plate 11 are presented
Lower arrangement, heat exchanger tube 15 is arranged in equilateral triangle, so that structure is compacter.
Housing 1 and housing 2 200 are connected by saddle 13, and saddle 13, and profit are connected with the lower section of housing 2 200
Fixed with the saddle 13 by foundation bolt 14.Specifically, the left end of housing 1 is provided with bobbin carriage 19, one-level air inlet 2 and one
Level exhaust outlet 3 is located at the upper and lower part of bobbin carriage 19 respectively, and the middle part of bobbin carriage 19 is provided with dividing plate 18, and the left end of bobbin carriage 19 is connected with
Flange 20 is covered, the right-hand member of bobbin carriage 19 is connected with tube sheet 17, and Municipal secondary effluent mouthful 9 is located at the right side of tube sheet 17, the right side of housing 1
End is provided with end socket 21, and the right side central of tube sheet 17 is connected with pull bar 16, and the outside of pull bar 16 is provided with distance sink tube 12, the end of pull bar 16
End is fixed on deflection plate 11, for fixing deflection plate 11, to increase the disturbance of fluid, improves heat exchange efficiency.
Similar, housing 2 200 uses the structure similar to housing 1, i.e. be provided with the left end of housing 2 200
Bobbin carriage 19, the one-level water inlet 6 being provided with the right-hand member of housing 2 200 on end socket 21, housing 2 200 is located at the right-hand member of tube sheet 17,
So that CO2Walk in heat exchanger tube 15, heating hot water walks shell side, so as to can further improve the heat exchange efficiency of whole system, reduce water
And CO2Resistance, bear higher pressure.
The above, is only preferred embodiment of the present utility model, and any formal limit is not done to the utility model
System, it is all that any modification, equivalent and improvement etc. are made within spirit of the present utility model and principle, it should be included in this reality
Within new protection domain.
Claims (7)
1. a kind of Trans-critical cycle CO2Heat pump refrigerating heating system gas cooler, including gas cooler body, it is characterised in that：
The gas cooler body includes the housing one of series connection（100）With housing two（200）, the housing one（100）Left side on
Portion is provided with one-level air inlet（2）With Municipal secondary effluent mouthful（9）, housing one（100）Left lower be provided with one-level exhaust outlet（3）, shell
Body one（100）Lower right side provided with two grades of water inlets（8）, the housing two（200）Right upper portion be provided with and two grades water inlet
Mouthful（8）The one-level discharge outlet of connection（7）, housing two（200）Left lower be provided with one-level water inlet（6）And secondary exhaust
（5）, housing two（200）Left upper portion be provided with and one-level exhaust outlet（3）The secondary inlet mouthful of connection（4）, the housing one
（100）With housing two（200）Inside it is equipped with heat exchanger tube（15）, heat exchanger tube（15）It is fixed on tube sheet（17）On, heat exchanger tube（15）'s
Outer wall is arranged at intervals with deflection plate（11）.
2. a kind of Trans-critical cycle CO as claimed in claim 12Heat pump refrigerating heating system gas cooler, it is characterised in that：Institute
State housing one（100）With housing two（200）It is equipped with expansion valve（10）.
3. a kind of Trans-critical cycle CO as claimed in claim 1 or 22Heat pump refrigerating heating system gas cooler, its feature exists
In：The housing one（100）Left end be provided with bobbin carriage（19）, one-level air inlet（2）With one-level exhaust outlet（3）It is located at bobbin carriage respectively
（19）Upper and lower part, bobbin carriage（19）Middle part be provided with dividing plate（18）, bobbin carriage（19）Left end be connected with capping flange（20）,
Bobbin carriage（19）Right-hand member be connected with tube sheet（17）, the Municipal secondary effluent mouthful（9）Positioned at tube sheet（17）Right side, housing one（100）
Right-hand member be provided with end socket（21）.
4. a kind of Trans-critical cycle CO as claimed in claim 32Heat pump refrigerating heating system gas cooler, it is characterised in that：Institute
State tube sheet（17）Right side central be connected with pull bar（16）, pull bar（16）Outside be provided with distance sink tube（12）, pull bar（16）End
End is fixed on deflection plate（11）On.
5. a kind of Trans-critical cycle CO as claimed in claim 42Heat pump refrigerating heating system gas cooler, it is characterised in that：Institute
State deflection plate（11）In level list arch, deflection plate（11）Breach in up and down arrange.
6. a kind of Trans-critical cycle CO as claimed in claim 12Heat pump refrigerating heating system gas cooler, it is characterised in that：Institute
State housing one（100）With housing two（200）Pass through saddle（13）Connection, housing two（200）Lower section be connected with saddle（13）, institute
State saddle（13）Pass through foundation bolt（14）It is fixed.
7. a kind of Trans-critical cycle CO as claimed in claim 12Heat pump refrigerating heating system gas cooler, it is characterised in that：Institute
State heat exchanger tube（15）Arranged in equilateral triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621372872.1U CN206339124U (en) | 2016-12-14 | 2016-12-14 | A kind of transcritical CO_2 heat pump refrigerating heating system gas cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621372872.1U CN206339124U (en) | 2016-12-14 | 2016-12-14 | A kind of transcritical CO_2 heat pump refrigerating heating system gas cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206339124U true CN206339124U (en) | 2017-07-18 |
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ID=59300689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621372872.1U Active CN206339124U (en) | 2016-12-14 | 2016-12-14 | A kind of transcritical CO_2 heat pump refrigerating heating system gas cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206339124U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798786A (en) * | 2019-01-29 | 2019-05-24 | 上海理工大学 | For CO2The modular distributary microchannel gas cooler of Teat pump boiler |
-
2016
- 2016-12-14 CN CN201621372872.1U patent/CN206339124U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798786A (en) * | 2019-01-29 | 2019-05-24 | 上海理工大学 | For CO2The modular distributary microchannel gas cooler of Teat pump boiler |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 256606 No. 501, Bohai 24 Road, Huanghe 12 Road, Binzhou Economic and Technological Development Zone, Shandong Province Patentee after: Shandong Beyond Ground Source Heat Pump Technology Co., Ltd. Address before: 256606 No. 501, Bohai 24 Road, Huanghe 12 Road, Binzhou Economic and Technological Development Zone, Shandong Province Patentee before: SHANDONG CHAOYUE DIYUAN THERMAL PUMP TECHNOLOGY CO., LTD. |