CN209470286U - A kind of coupling heating plant using absorption type heat pump assembly recycling cooling water heat - Google Patents
A kind of coupling heating plant using absorption type heat pump assembly recycling cooling water heat Download PDFInfo
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- CN209470286U CN209470286U CN201820942260.4U CN201820942260U CN209470286U CN 209470286 U CN209470286 U CN 209470286U CN 201820942260 U CN201820942260 U CN 201820942260U CN 209470286 U CN209470286 U CN 209470286U
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- Prior art keywords
- absorption type
- type heat
- pump assembly
- heat pump
- steam
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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- 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
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Abstract
The utility model relates to industrial circle more particularly to a kind of coupling heating plants using absorption type heat pump assembly recycling cooling water heat.Include condensing turbine, the condensing turbine is connected to steam boiler, condensing turbine is connected to temperature-decreased pressure reducer, temperature-decreased pressure reducer is connected to absorption type heat pump assembly, it can be carried out heat exchange by absorption type heat pump assembly, condensing turbine protrudes into the condensate pipe that absorption type heat pump assembly extendes back out and is connected to drain tank, and condensing turbine is connected to spike steam water heat exchanger；Hot net water is connected to by-passing valve, and by-passing valve is connected to hot water circulating pump, the pipeline of hot water circulating pump is passed through after absorption type heat pump assembly be connected to spike steam water heat exchanger after return to heating user.The cryogenic waste heat resource for taking full advantage of steam power plant improves the comprehensive energy utilization rate of power plant, realizes energy-saving and emission-reduction, improves environment, improves the living standard of the people.
Description
Technical field
The utility model relates to industrial circle more particularly to a kind of utilize absorption type heat pump assembly recycling cooling water heat
Couple heating plant.
Background technique
With the development of urbanization and the raising of living standards of the people, the notch of the northern area of China central heating is increasingly
Greatly.However, realizing " energy-saving and emission-reduction " strategy to economize on resources and protect environment, country is more next to the examination & approval of newly-built steam power plant
Stringenter, many middle-size and small-size steam power plants are in order to meet the heat demand notch being growing, in the feelings for not increasing generator capacity
Under condition, it has to explore new energy-conserving and emission-cutting technology route.
Under normal circumstances, all there is biggish cold source energy, power plant's energy for extraction condensing type power plant or pure condensate formula power plant
Comprehensive utilization ratio is relatively low.In order to reduce cold source energy, the comprehensive utilization of energy rate of power plant is improved, the confession increased by urbanization is met
Heat demand generallys use two ways at present: (1) low vacuum recirculated water heating system.The shortcomings that technology, is: steam turbine highback
The generating efficiency of steam turbine is affected under pressure operating condition, generated energy is directly affected by heating load；Improve the exhaust steam pressure of steam turbine
Afterwards, it needs to carry out strengthening reconstruction to condenser；The variation of steam discharge operating condition may will affect the safety of unit, and maintenance is big, the longevity
It orders short.(2) high temperature compressed formula heat pump recovery waste heat technology.Which is suitable for the situation of power plant steam shortage, electric power abundance, reaches
To certain energy-saving effect, but power consumption is larger, and initial cost and operating cost are higher.
Utility model content
The purpose of utility model: absorption type heat pump assembly is preferably utilized to recycle cooling water heat in order to provide a kind of effect
Coupling heating plant, specific purposes see specific implementation part multiple substantial technological effects.
In order to reach purpose as above, the utility model adopts the following technical scheme:
A kind of coupling heating plant using absorption type heat pump assembly recycling cooling water heat, which is characterized in that comprising solidifying
Vapour formula steam turbine, the condensing turbine are connected to steam boiler, and condensing turbine is connected to temperature-decreased pressure reducer, desuperheat
Pressure reducer is connected to absorption type heat pump assembly, can be carried out heat exchange by absorption type heat pump assembly, condensing turbine protrudes into absorption
The condensate pipe stretched after formula heat pump unit is connected to drain tank, and condensing turbine is connected to spike steam water heat exchanger；Heat
Net water is connected to by-passing valve, and by-passing valve is connected to hot water circulating pump, after the pipeline of hot water circulating pump is passed through absorption type heat pump assembly
Heating user is returned to after being connected to spike steam water heat exchanger；Condensing turbine is also connected with condenser, and condenser passes through circulation
Piping connection cooling tower, include cooling circulating water pump and cooling water switching valve on the outlet water pipe and incoming road water pipe of circulation line
Door.
The further technical solution of the utility model is that the condenser is connected to condensate pump, condensate pump connection
Regenerative apparatus, regenerative apparatus be connected to boiler feed pump, boiler feed pump is connected to steam boiler.
It using the utility model of technical solution as above, has the advantages that: taking full advantage of compared with the existing technology
The cryogenic waste heat resource of steam power plant improves the comprehensive energy utilization rate of power plant, realizes energy-saving and emission-reduction, improves environment, improves
The living standard of the people.
Detailed description of the invention
In order to further illustrate the utility model, it is further illustrated with reference to the accompanying drawing:
Fig. 1 is utility model structural schematic diagram；
Wherein: 1, steam boiler；2, condensing turbine；3, condenser；4, boiler feed pump, 5, condensate pump；6, it returns
Thermal；7, cooling circulating water pump；8, absorption type heat pump assembly；9, heat supply network water-circulating pump；10, spike steam water heat exchanger；11,
Cooling water switch valve；12, by-passing valve；13, heat user；14, cooling tower；15, temperature-decreased pressure reducer.
This attached drawing is the schematic diagram of present apparatus main component composition, does not represent the outer dimension, connection side of the utility model
Partially manual valve, pipe fitting etc. is omitted in formula, assembling form, positional relationship etc., diagram.
Specific embodiment
With reference to the accompanying drawings and detailed description, the utility model is furtherd elucidate, it should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limitation the scope of the utility model.It should be noted that making in being described below
Word "front", "rear", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" respectively refer to
Be directed towards or far from geometric center of specific component direction.
This patent provides a variety of concomitant regimens, in place of different expression, belong to modified scheme based on basic scheme or
It is parallel type scheme.Every kind of scheme has the unique features of oneself.
A kind of coupling heating plant using absorption type heat pump assembly recycling cooling water heat, which is characterized in that comprising solidifying
Vapour formula steam turbine 2, the condensing turbine 2 are connected to steam boiler 1, and condensing turbine 2 is connected to temperature-decreased pressure reducer
15, temperature-decreased pressure reducer 15 is connected to absorption type heat pump assembly 8, can be carried out heat exchange, condensing-type steamer by absorption type heat pump assembly 8
Machine 2 protrudes into the condensate pipe stretched after absorption type heat pump assembly 8 and is connected to drain tank, and condensing turbine 2 is connected to spike
Steam water heat exchanger 10；Hot net water is connected to by-passing valve 12, and by-passing valve 12 is connected to hot water circulating pump, the pipeline of hot water circulating pump
It is passed through after absorption type heat pump assembly 8 after being connected to spike steam water heat exchanger 10 and returns to heating user；Condensing turbine 2 also connects
Then condenser 3, condenser 3 are connected to cooling tower by circulation line, wrap on the outlet water pipe and incoming road water pipe of circulation line
Containing cooling circulating water pump 7 and cooling water switch valve 11.The technical effect and in fact for the essence that the technical solution at this place is played
Existing process is as follows: exhaust steam in steam turbine is put by cooling water through cooling tower cooler heel row, and the thermal loss of steam exhaust is caused.Through condensing
Cooling water temperature summer after device heating is about 42~43 DEG C, and winter is about 32~33 DEG C.Now use lithium bromide absorption type heat pump
Unit, that is, absorption type heat pump assembly 8, winter using 32~33 DEG C of cooling water as low-temperature heat source, are made with the saturated vapor of 0.6MPa
For driving heat source, heat supply network return water is heated to 75 DEG C by 45 DEG C and goes heating user, cooling water temperature returns after being down to 23 DEG C
Condenser completes circulation.Absorption type heat pump assembly, that is, lithium bromide absorption type heat pump machine.
The utility model is the coupling heating plant that a kind of absorption type heat pump assembly recycles cooling water heat, in heating period,
Power generation cooling water heat is recycled using lithium bromide absorption type heat pump unit, heating hot net water realizes that the central heating to building needs
It asks.Compared with prior art, as follows the advantages of the utility model:
(1) circulating cooling water afterheat of steam power plant need not cool down by cooling tower, but will by absorption type heat pump assembly
Waste heat passes to hot net water, substantially increases comprehensive utilization rate of energy source；Absorption type heat pump assembly still utilizes the steam of heat supply to make
For driving heat source, steam heat and cooling water heat finally all pass to hot net water, in the case where not increasing heat supply steam extraction, greatly
Big improves heat capacity.
(2) in order to guarantee the uninterrupted heat supply of heating period, which is equipped with spike steam water heat exchanger, occurs in extraction and condensing unit
When failure, enables spike steam water heat exchanger and guarantee stable heating；In freeze-up, enables spike steam water heat exchanger and continue heating heat
Net coolant-temperature gage increases the heat capacity of whole system.Spike steam water heat exchanger, that is, steam water heat exchanger.
(3) system power consumption is low, makes full use of residual heat resources.
The condenser 3 is connected to condensate pump 5, and condensate pump 5 is connected to regenerative apparatus 6, and regenerative apparatus 6 is connected to
Boiler feed pump 4, boiler feed pump 4 are connected to steam boiler.
As a further preference, motorized adjustment is set for vapor portion into steam inlet, that is, boiler of unit generator
Valve quickly cuts off steam, protects the safety of unit when cooling water interrupts suddenly or unit breaks down.
Preferably, the safe and stable operation in order to protect lithium bromide absorption type heat pump unit, driving heat source must use
0.4~0.8MPa saturated vapor cannot use the saturated vapor or superheated steam of hypertonia.
In a creative way, above each effect is individually present, moreover it is possible to the combination of the above results is completed with a nested structure.
It is clear that the technical effect that the above structure is realized is realized, if the additional technical solution is not taken into account, this patent title is also
It can be a kind of heat-exchange unit.Part details is not shown in the figure.
It should be noted that multiple schemes that this patent provides include the basic scheme of itself, independently of each other, not mutually
It restricts, but it can also be combined with each other in the absence of conflict, reach multiple effects and realize jointly.
Basic principles, main features, and advantages of the present invention has been shown and described above.Ability
The technical staff in domain should be recognized that the present utility model is not limited to the above embodiments, described in the above embodiment and specification
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model can also
There are various changes and modifications, these changes and improvements are both fallen in claimed range.
Claims (2)
1. a kind of coupling heating plant using absorption type heat pump assembly recycling cooling water heat, which is characterized in that include condensing
Formula steam turbine (2), the condensing turbine (2) are connected to steam boiler (1), and condensing turbine (2) is connected to desuperheat
Pressure reducer (15), temperature-decreased pressure reducer (15) are connected to absorption type heat pump assembly (8), can be carried out by absorption type heat pump assembly (8)
Heat exchange, condensing turbine (2) protrude into the condensate pipe stretched after absorption type heat pump assembly (8) and are connected to drain tank, condensing
Formula steam turbine (2) is connected to spike steam water heat exchanger (10)；Hot net water is connected to by-passing valve (12), and by-passing valve (12) is connected to
Hot water circulating pump, the pipeline of hot water circulating pump is passed through after absorption type heat pump assembly (8) be connected to spike steam water heat exchanger (10) after
Return to heating user；Condensing turbine (2) is also connected with condenser (3), and condenser (3) is connected to cool down by circulation line
Tower includes cooling circulating water pump (7) and cooling water switch valve (11) on the outlet water pipe and incoming road water pipe of circulation line；It is described
Absorption type heat pump assembly (8) be lithium bromide absorption type heat pump unit.
2. a kind of coupling heating plant using absorption type heat pump assembly recycling cooling water heat as described in claim 1,
It is characterized in that, the condenser (3) is connected to condensate pump (5), and condensate pump (5) is connected to regenerative apparatus (6), backheat dress
It sets (6) to be connected to boiler feed pump (4), boiler feed pump (4) is connected to steam boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820942260.4U CN209470286U (en) | 2018-06-19 | 2018-06-19 | A kind of coupling heating plant using absorption type heat pump assembly recycling cooling water heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820942260.4U CN209470286U (en) | 2018-06-19 | 2018-06-19 | A kind of coupling heating plant using absorption type heat pump assembly recycling cooling water heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209470286U true CN209470286U (en) | 2019-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820942260.4U Expired - Fee Related CN209470286U (en) | 2018-06-19 | 2018-06-19 | A kind of coupling heating plant using absorption type heat pump assembly recycling cooling water heat |
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| CN (1) | CN209470286U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256204A (en) * | 2020-02-28 | 2020-06-09 | 上海电力大学 | Heat supply optimization method of coupling absorption heat pump of thermal power plant |
-
2018
- 2018-06-19 CN CN201820942260.4U patent/CN209470286U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256204A (en) * | 2020-02-28 | 2020-06-09 | 上海电力大学 | Heat supply optimization method of coupling absorption heat pump of thermal power plant |
| CN111256204B (en) * | 2020-02-28 | 2021-05-11 | 上海电力大学 | Heat supply optimization method of coupling absorption heat pump of thermal power plant |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191008 Termination date: 20210619 |