CN203687452U - Residual heat utilization system for steam type heat source - Google Patents
Residual heat utilization system for steam type heat source Download PDFInfo
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- CN203687452U CN203687452U CN201320876185.3U CN201320876185U CN203687452U CN 203687452 U CN203687452 U CN 203687452U CN 201320876185 U CN201320876185 U CN 201320876185U CN 203687452 U CN203687452 U CN 203687452U
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- Prior art keywords
- heat pump
- heat
- source
- assisted
- main
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000009833 condensation Methods 0.000 claims abstract description 8
- 230000005494 condensation Effects 0.000 claims abstract description 8
- 239000000779 smoke Substances 0.000 claims abstract description 4
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000002737 fuel gas Substances 0.000 abstract 1
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 18
- 238000010438 heat treatment Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000005144 thermotropism Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a residual heat utilization system for a steam type heat source. The system comprises an initial heat source, a main heat pump, a terminal, a tee-valve and an auxiliary heat pump, wherein the tee-valve is connected with the main heat pump and the auxiliary heat pump respectively, and the initial heat source is used for driving the main heat pump and the auxiliary heat pump through the tee-valve; the condensed water outlet of the main heat pump is connected with the auxiliary heat pump for providing a low-temperature heat source for the auxiliary heat pump. The residual heat utilization system has the beneficial effects that the adjusting tee-valve is additionally arranged at the upstream of the main heat pump, so that the heat source can be reasonably distributed, and the auxiliary heat pump is additionally arranged at the downstream of a unit, so that condensed water discharged by the main heat pump can be recycled and utilized for a second time; furthermore, vapor condensation heat in smoke discharged by a boiler is recycled by a condensation type heat exchanger, so that heat supplying efficiency of the whole system is effectively improved, and fuel gas is saved by 12-15%.
Description
Technical field
The utility model relates to a kind of bootstrap system; Particularly relate to a kind of bootstrap system of steam type thermal source.
Background technology
Steam type lithium bromide heat pump is a kind of cold and heat combined supply equipment efficiently, can from low-temperature wastewater, extract heat for heat supply, and low-temperature wastewater can be low-temperature wastewater or the cooling water of factory's discharge.The exhaust steam of this equipment utilization industrial discharge or the thermal source of other identical grades are driving heat source, and for user provides heat, traditional heat supply schematic diagram as shown in Figure 1.The condensate temperature of driving heat source device for transferring is approximately 70-90 ℃, also has higher value.
Summary of the invention
Technical problem to be solved in the utility model is that a kind of bootstrap system that can carry out to condensed water the steam type thermal source of secondary recovery utilization is provided.
The technical scheme that the utility model adopts is: a kind of bootstrap system of steam type thermal source, comprises initial heat source, main heat pump, terminal; Triple valve and assisted heat pump; Described triple valve is connected with main heat pump and assisted heat pump respectively, and initial heat source drives main heat pump and assisted heat pump by triple valve; The condensed water delivery port of described main heat pump is connected with assisted heat pump, for assisted heat pump provides low-temperature heat source.
When described initial heat source is industrial exhaust steam, the solidifying water out of described assisted heat pump is open port.
When described initial heat source is thermal source capable of circulation, to the loop of thermal source capable of circulation, condensing heat exchanger is installed at described assisted heat pump, the water vapour condensation heat in absorption boiler smoke evacuation.
Described terminal is fan coil or hot user.
Described assisted heat pump is connected with water inlet and the backwater of terminal respectively, provides hot water to terminal.
The beneficial effects of the utility model are: make the thermal source can reasonable distribution owing to increasing three-way control valve in main heat pump upstream, increase the condensed water that assisted heat pump discharges heat pump carry out secondary recovery utilization in unit downstream; In addition, condensing heat exchanger reclaims the water vapor condensation heat in boiler exhaust gas, and the heating efficiency of whole system can effectively improve, and saves combustion gas 12-15%.
Accompanying drawing explanation
Fig. 1 is the heat supply schematic diagram of existing heat pump;
Fig. 2 is the heat supply schematic diagram of the utility model to industrial exhaust steam;
Fig. 3 is the heat supply schematic diagram of the utility model to thermal source capable of circulation.
In figure:
1. main heat pump 3. terminals of initial heat source 2.
4. major cycle water pump 5. circulation water for heating pump 6. assisted heat pumps
7. triple valve 8. condensing heat exchangers.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
As shown in Figures 2 and 3, the bootstrap system of the utility model steam type thermal source, comprises, initial heat source 1, main heat pump 2, terminal 3, triple valve 7 and assisted heat pump 6; Described triple valve 7 is connected with the driving heat source entrance of main heat pump 2 and assisted heat pump 6 respectively, initial heat source 1 triple valve 7 of flowing through, triple valve 7, according to according to inlet steam pressure and temp and condensate temperature, is chosen 6:1 to the ratio between 13:1, open to main heat pump 2 and assisted heat pump 6 respectively; The condensed water delivery port of described main heat pump 2 is connected with the low-temperature heat source entrance of assisted heat pump 6, for assisted heat pump 6 provides low-temperature heat source.
Embodiment mono-:
When initial heat source is industrial exhaust steam, enters the main heat pump 2 of steam type lithium bromide heat through the steam of triple valve 7 about 90%, provide hot water by circulation water for heating pump thermotropism user, in this process, the ratio heat that steam condensation becomes water to discharge is 2300kJ/kg; The condensed water of the main heat pump 2 of steam type lithium bromide is directly discharge not, but enters upstream device assisted heat pump as low-temperature heat source; In addition, steam through triple valve 7 about 10% directly enters assisted heat pump 6 through bypass as driving heat source, be again to extract heat the main heat pump 2 of the steam type lithium bromide condensed water of discharging from low-temperature heat source, in this process, the ratio heat that condensate temperature reduces by 40 ℃ of releases is 180kJ/kg, be 1.7 to calculate according to the COP of absorption heat pump, demand motive heat is 257kJ/kg, be converted to quantity of steam and just in time equal 10% of the front total quantity of steam of triple valve, assisted heat pump and the main equipment steam type lithium bromide common thermotropism user of main heat pump 2 or fan coil provide hot water; The solidifying water of assisted heat pump 6 low-temperature heat source out and the solidifying water of driving heat source directly drain in air.In the time of inlet steam pressure and temp and condensate temperature change, can be by calculating the aperture of choosing flexibly 6:1 and control to the ratio of 13:1 triple valve 7.
Utilize above-mentioned residual heat using device, the condensate temperature being discharged in environment can be reduced to below 25 ℃, well below the 70-90 ℃ of conventional system, has reached the effect that waste heat makes full use of.
Embodiment bis-:
When initial heat source is gas fired-boiler capable of circulation, enters the main heat pump 2 of steam type lithium bromide through the steam of triple valve about 90% and heat, provide hot water by circulation water for heating pump thermotropism user; The condensed water of the main heat pump 2 of steam type lithium bromide is directly discharge not, but enters upstream device assisted heat pump as low-temperature heat source; In addition, steam through triple valve about 10% directly enters assisted heat pump 6 through bypass as driving heat source, be again to extract heat the main heat pump 2 of the steam type lithium bromide condensed water of discharging from low-temperature heat source, assisted heat pump and the main equipment steam type lithium bromide common thermotropism user of main heat pump 2 or fan coil provide hot water; Condensed water after assisted heat pump 6 coolings cools to 25-30 ℃ of left and right, returns to boiler through major cycle water pump 4, first through being arranged in the condensing heat exchanger 8 in boiler flue, and the water vapour condensation heat in absorption boiler smoke evacuation.
Utilize above-mentioned residual heat using device, assisted heat pump has reclaimed the solidifying gas waste heat of steam unit, has reduced the temperature of recirculated water, and residual heat from boiler fume is reclaimed becomes possibility.
The bootstrap system of the utility model steam type thermal source makes the thermal source can reasonable distribution owing to increasing three-way control valve in main heat pump upstream, increases the condensed water that assisted heat pump discharges heat pump carry out secondary recovery utilization in unit downstream; In addition, condensing heat exchanger reclaims the water vapor condensation heat in boiler exhaust gas, and the heating efficiency of whole system can effectively improve, and saves combustion gas 12-15%.
Claims (5)
1. a bootstrap system for steam type thermal source, comprises, initial heat source (1), main heat pump (2) and terminal (3); It is characterized in that, also include triple valve (7) and assisted heat pump (6); Described triple valve (7) is connected with main heat pump (2) and assisted heat pump (6) respectively, and initial heat source (1) drives main heat pump (2) and assisted heat pump (6) by triple valve (7); The condensed water delivery port of described main heat pump (2) is connected with assisted heat pump (6), for assisted heat pump (6) provides low-temperature heat source.
2. the bootstrap system of steam type thermal source according to claim 1, is characterized in that, when described initial heat source is industrial exhaust steam, the solidifying water out of described assisted heat pump (6) is open port.
3. the bootstrap system of steam type thermal source according to claim 1, it is characterized in that, when described initial heat source is thermal source capable of circulation, to the loop of thermal source capable of circulation, condensing heat exchanger (8) is installed at described assisted heat pump (6), the water vapour condensation heat in absorption boiler smoke evacuation.
4. the bootstrap system of steam type thermal source according to claim 1, is characterized in that, described terminal (3) is fan coil or hot user.
5. according to the bootstrap system of the steam type thermal source described in claim 3 or 4, it is characterized in that, described assisted heat pump (6) is connected with water inlet and the backwater of terminal (3) respectively, provides hot water to terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320876185.3U CN203687452U (en) | 2013-12-26 | 2013-12-26 | Residual heat utilization system for steam type heat source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320876185.3U CN203687452U (en) | 2013-12-26 | 2013-12-26 | Residual heat utilization system for steam type heat source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203687452U true CN203687452U (en) | 2014-07-02 |
Family
ID=51009341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320876185.3U Expired - Lifetime CN203687452U (en) | 2013-12-26 | 2013-12-26 | Residual heat utilization system for steam type heat source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203687452U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965753A (en) * | 2016-10-19 | 2018-04-27 | 华北电力大学（保定） | One kind utilizes low-temperature industrial hot water production vapor device |
-
2013
- 2013-12-26 CN CN201320876185.3U patent/CN203687452U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965753A (en) * | 2016-10-19 | 2018-04-27 | 华北电力大学（保定） | One kind utilizes low-temperature industrial hot water production vapor device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170918 Address after: Middle East of Hongli Road, Changyuan County, Xinxiang, Henan Patentee after: Changyuan shield energy saving heating Co.,Ltd. Address before: 300384 the Binhai New Area of Tianjin Huayuan Industrial Zone Mei Yuan Lu 6 Haitai building seventeen layer Patentee before: DUNAN (TIANJIN) ENERGY-SAVING SYSTEM CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
|
| CX01 | Expiry of patent term |