CN208519838U - Critical-cross carbon dioxide, lithium bromide combined heat pump heating system - Google Patents
Critical-cross carbon dioxide, lithium bromide combined heat pump heating system Download PDFInfo
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- CN208519838U CN208519838U CN201821094770.7U CN201821094770U CN208519838U CN 208519838 U CN208519838 U CN 208519838U CN 201821094770 U CN201821094770 U CN 201821094770U CN 208519838 U CN208519838 U CN 208519838U
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Abstract
Critical-cross carbon dioxide, lithium bromide combined heat pump heating system, including CO 2 cross-critical heat pump system, high temperature water out on CO 2 cross-critical heat pump system successively connects high-temperature water valve I, high-temperature water surge tank, high temperature water-circulating pump, high temperature penstock II, high temperature penstock II connects with the high temperature water inlet in lithium bromide absorption type heat pump system, low temperature water out in lithium bromide absorption type heat pump system is answered back with the water at low temperature on CO 2 cross-critical heat pump system to connect, heating cycle water out in lithium bromide absorption type heat pump system successively connects circulation water for heating valve I, circulation water for heating surge tank, heating cycle water pump, heating cycle penstock II, heat supply end, circulation water for heating backwater valve, circulation water for heating backwater valve connects with the circulation water for heating return water entrance in lithium bromide absorption type heat pump system, it is high The low level of warm water surge tank runs in dirty valve I, and circulation water for heating surge tank low level connects sewage draining valve II.It can be widely applied to heating field.
Description
Technical field
The utility model relates to a kind of heating system, especially a kind of critical-cross carbon dioxide, lithium bromide combined heat pump
Heating system.
Background technique
In heating system, different heat supply ends usually there are certain requirements the supply and return water temperature of system: radiator: supply
65 DEG C of water, 55 DEG C of return water；Fan coil: it supplies water 60 DEG C, 50 DEG C of return water；Floor heating: it supplies water 45 DEG C, 40 DEG C of return water；Return water temperature is equal
Higher than 40 DEG C.CO2It is recycled under Trans-critical cycle state as heat pump fluid, temperature glide is generated in gas cooler；CO simultaneously2
Supercritical fluid has the characteristics that specific heat is big, thermal coefficient is high, dynamic viscosity is small, this is all highly beneficial to flowing and heat transfer
, so CO2Trans critical cycle, which is applied to heat pump system, very high energy efficiency coefficient.CO2CO in Trans-critical cycle heat pump cycle2Gas
The Energy Efficiency Ratio of cooler outlet temperature more low circulation is higher, so CO2Trans-critical cycle heat pump system generally requires low return water temperature, to protect
Card system can play the characteristics of high energy efficiency ratio to greatest extent.Currently, CO2Trans-critical cycle heat pump system is usually applied to low water inlet
The heat pump hot-water system of the open type of temperature；Promoting and applying in heating field becomes bottleneck in the industry.
Summary of the invention
In view of the above problems, the object of the present invention is to provide a kind of by CO2Trans-critical cycle heat pump techniques and lithium bromide are inhaled
Receipts formula heat pump techniques are compound, formed a set of based on CO2Trans-critical cycle heat pump system can be widely applied to the indirect of heating field
Heating system.
The critical-cross carbon dioxide, lithium bromide combined heat pump heating system of the utility model, including CO 2 cross face
Boundary's heat pump system, the high temperature water out on CO 2 cross-critical heat pump system are successively connected to high-temperature water valve I, high-temperature water buffering
High temperature water inlet in tank, high temperature water-circulating pump, high temperature penstock II, high temperature penstock II and lithium bromide absorption type heat pump system
Connect, the low temperature water out in lithium bromide absorption type heat pump system passes through low temperature penstock and CO 2 cross-critical heat pump system
On water at low temperature answer back and connect, the heating cycle water out in lithium bromide absorption type heat pump system is successively connected to heating cycle water valve
Door I, circulation water for heating surge tank, heating cycle water pump, heating cycle penstock II, heat supply end, circulation water for heating back-water valve (BWV)
Door, circulation water for heating backwater valve connect with the circulation water for heating return water entrance in lithium bromide absorption type heat pump system, high-temperature water
The low level of surge tank is connected to sewage draining valve I, and the low level of circulation water for heating surge tank is connected to sewage draining valve II.
The CO 2 cross-critical heat pump system is air-source formula or water source type or source of sewage formula；The heat supply end
End is radiator or fan coil or ground hot coil.
The critical-cross carbon dioxide, lithium bromide combined heat pump heating system of the utility model, using CO 2 cross
The feature that critical cycle leaving water temperature is high, Energy Efficiency Ratio is high provides heat source for heating system, and is adjusted using lithium bromide heat pump system
The inflow temperature of carbon dioxide trans-critical cycle system realizes the good matching of supplying thermal condition.CO2The steaming of Trans-critical cycle heat pump system
Hair device section absorbs heat, CO from air-source, water source, source of sewage275 DEG C are generated in the gas cooler of Trans-critical cycle heat pump system
Above hot water, the hot water supply are served as driving heat source and low-temperature heat source into hot water lithium bromide absorbing heat pump system, are changed
Water temperature drops to 40 DEG C or less and sends back to CO after heat2The gas cooler of Trans-critical cycle heat pump system.Hot water lithium bromide absorbing
Heat pump system condenser generates the hot water of the corresponding supply water temperature in various heat supply ends, and supply heating uses；In heat supply end
Hot water lithium bromide absorbing heat pump system condenser is returned to after heat exchange.The heating system of the utility model can be widely applied to supply
Hot field.
Detailed description of the invention
Fig. 1 is that CO 2 cross-critical heat pump system is that the structure of air-source formula is shown in specific embodiment of the present invention
It is intended to.
Fig. 2 is that CO 2 cross-critical heat pump system is water source or source of sewage formula in specific embodiment of the present invention
Structural schematic diagram.
Specific embodiment
It is as shown in Figure 1, 2: the critical-cross carbon dioxide, lithium bromide combined heat pump heating system of the utility model, including
CO 2 cross-critical heat pump system 1, the high temperature water out on CO 2 cross-critical heat pump system 1 are successively connected to high temperature water valve
Door I 2, high-temperature water surge tank 3, high temperature water-circulating pump 5, high temperature penstock II 6, high temperature penstock II 6 and suction-type lithium bromide heat
High temperature water inlet 8 on pumping system 7 connects, and the low temperature water out 9 in lithium bromide absorption type heat pump system 7 passes through low temperature penstock
10 answer back with the water at low temperature on CO 2 cross-critical heat pump system 1 connects, and the heat supply in lithium bromide absorption type heat pump system 7 follows
Ring water out 11 is successively connected to circulation water for heating valve I 12, circulation water for heating surge tank 13, heating cycle water pump 15, heat supply follow
Ring penstock II 16, heat supply end 17, circulation water for heating backwater valve 18, circulation water for heating backwater valve 18 and lithium bromide absorption
Circulation water for heating return water entrance 19 on formula heat pump system 7 connects, and the low level of high-temperature water surge tank 3 is connected to sewage draining valve I 4, supplies
The low level of heat recirculated water surge tank 13 is connected to sewage draining valve II 14.
CO 2 cross-critical heat pump system 1 is air-source formula or water source type or source of sewage formula；Heat supply end 17 is heating
Piece or fan coil or ground hot coil.
Heat source side as shown in Figure 1:: air-source CO2Trans-critical cycle heat pump system 1 absorbs heat from air, generates 75 DEG C or more
High-temperature-hot-water enters high-temperature water surge tank 3 via high-temperature water valve I 2, and 3 low level of high-temperature water surge tank is equipped with sewage draining valve I 4, high
Warm water circulation pump 5 aspirates the high-temperature-hot-water in high-temperature water surge tank 3 and it is sent into lithium bromide absorption via high temperature penstock II 6
Formula heat pump system high temperature water inlet 8,40 DEG C of low temperature below that high-temperature water generates after the heat exchange of lithium bromide absorption type heat pump system 7
Water is discharged from lithium bromide absorption type heat pump system hypothermia water out 9, returns to air-source CO via low temperature penstock 102Trans-critical cycle heat
Pumping system 1 carries out circulating-heating.
For hot side: the circulation water for heating that lithium bromide absorption type heat pump system 7 generates is via lithium bromide absorption type heat pump system
Heating cycle water out 11 enters circulation water for heating surge tank 13, circulation water for heating surge tank by circulation water for heating valve I 12
13 low levels are equipped with sewage draining valve II 14, and heating cycle water pump 15 aspirates the circulation water for heating in circulation water for heating surge tank 13 and will
It is sent into heat supply end 17 via heating cycle penstock II 16, after circulation water for heating exchanges heat in heat supply end 17, via confession
Heat recirculated water backwater valve 18 returns to lithium bromide absorption type heat pump system circulation water for heating return water entrance 19 and carries out circulating-heating.
It is as shown in Figure 2: heat source side: water source or source of sewage CO2Trans-critical cycle heat pump system 1 absorbs heat from water body or sewage, produces
75 DEG C raw or more high-temperature-hot-water enters high-temperature water surge tank 3 via high-temperature water valve I 2, and 3 low level of high-temperature water surge tank is equipped with row
Dirty valve I 4, high temperature water-circulating pump 5 aspirate the high-temperature-hot-water in high-temperature water surge tank 3 and give it via high temperature penstock II 6
Enter lithium bromide absorption type heat pump system high temperature water inlet 8, high-temperature water generated after the heat exchange of lithium bromide absorption type heat pump system 7 40
DEG C water at low temperature below is discharged from lithium bromide absorption type heat pump system hypothermia water out 9, returns to air via low temperature penstock 10
Source CO2Trans-critical cycle heat pump system 1 carries out circulating-heating.
For hot side: the circulation water for heating that lithium bromide absorption type heat pump system 7 generates is via lithium bromide absorption type heat pump system
Heating cycle water out 11 enters circulation water for heating surge tank 13, circulation water for heating surge tank by circulation water for heating valve I 12
13 low levels are equipped with sewage draining valve II 14, and heating cycle water pump 15 aspirates the circulation water for heating in circulation water for heating surge tank 13 and will
It is sent into heat supply end 17 via heating cycle penstock II 16, after circulation water for heating exchanges heat in heat supply end 17, via confession
Heat recirculated water backwater valve 18 returns to lithium bromide absorption type heat pump system circulation water for heating return water entrance 19 and carries out circulating-heating.
The heating system of the utility model can be widely applied to heating field.
Claims (2)
1. a kind of critical-cross carbon dioxide, lithium bromide combined heat pump heating system, it is characterised in that: face including CO 2 cross
Boundary's heat pump system (1), the high temperature water out on CO 2 cross-critical heat pump system (1) be successively connected to high-temperature water valve I (2),
High-temperature water surge tank (3), high temperature water-circulating pump (5), high temperature penstock II (6), high temperature penstock II (6) and suction-type lithium bromide
High temperature water inlet (8) on heat pump system (7) connects, and the low temperature water out (9) in lithium bromide absorption type heat pump system (7) passes through
Low temperature penstock (10) is answered back with the water at low temperature on CO 2 cross-critical heat pump system (1) to connect, lithium bromide absorption type heat pump
Heating cycle water out (11) in system (7) is successively connected to circulation water for heating valve I (12), circulation water for heating surge tank
(13), heating cycle water pump (15), heating cycle penstock II (16), heat supply end (17), circulation water for heating backwater valve
(18), the circulation water for heating return water entrance on circulation water for heating backwater valve (18) and lithium bromide absorption type heat pump system (7)
(19) connect, the low level of high-temperature water surge tank (3) is connected to sewage draining valve I (4), and the low level of circulation water for heating surge tank (13) is connected to
Sewage draining valve II (14).
2. critical-cross carbon dioxide according to claim 1, lithium bromide combined heat pump heating system, it is characterised in that:
The CO 2 cross-critical heat pump system (1) is air-source formula or water source type or source of sewage formula；The heat supply end
It (17) is radiator or fan coil or ground hot coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821094770.7U CN208519838U (en) | 2018-07-11 | 2018-07-11 | Critical-cross carbon dioxide, lithium bromide combined heat pump heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821094770.7U CN208519838U (en) | 2018-07-11 | 2018-07-11 | Critical-cross carbon dioxide, lithium bromide combined heat pump heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208519838U true CN208519838U (en) | 2019-02-19 |
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ID=65335327
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821094770.7U Active CN208519838U (en) | 2018-07-11 | 2018-07-11 | Critical-cross carbon dioxide, lithium bromide combined heat pump heating system |
Country Status (1)
| Country | Link |
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| CN (1) | CN208519838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094188A (en) * | 2019-04-09 | 2019-08-06 | 中国石油集团济柴动力有限公司成都压缩机分公司 | A kind of stepped voltage regulation system and method for supercritical carbon dioxide compressibility |
-
2018
- 2018-07-11 CN CN201821094770.7U patent/CN208519838U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094188A (en) * | 2019-04-09 | 2019-08-06 | 中国石油集团济柴动力有限公司成都压缩机分公司 | A kind of stepped voltage regulation system and method for supercritical carbon dioxide compressibility |
| CN110094188B (en) * | 2019-04-09 | 2021-06-01 | 中国石油天然气集团有限公司 | Grading pressure regulating system and method of supercritical carbon dioxide compression system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 116630, No. 106, Liaohe East Road, Dalian economic and Technological Development Zone, Liaoning Patentee after: Iceberg cold and hot technology Co., Ltd Address before: 116630, No. 106, Liaohe East Road, Dalian economic and Technological Development Zone, Liaoning Patentee before: DALIAN REFRIGERATION Co.,Ltd. |