CN203010751U - Heat-supply device utilizing waste heat of biomass power plant - Google Patents
Heat-supply device utilizing waste heat of biomass power plant Download PDFInfo
- Publication number
- CN203010751U CN203010751U CN 201220722523 CN201220722523U CN203010751U CN 203010751 U CN203010751 U CN 203010751U CN 201220722523 CN201220722523 CN 201220722523 CN 201220722523 U CN201220722523 U CN 201220722523U CN 203010751 U CN203010751 U CN 203010751U
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- Prior art keywords
- heat
- pipeline
- water
- flue gas
- pump
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- 239000002028 Biomass Substances 0.000 title claims abstract description 23
- 239000002918 waste heat Substances 0.000 title abstract description 9
- 239000000498 cooling water Substances 0.000 claims abstract description 42
- 239000002893 slag Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 60
- 239000003546 flue gas Substances 0.000 claims description 49
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 46
- 238000010521 absorption reaction Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 17
- 238000001179 sorption measurement Methods 0.000 claims description 16
- 239000010908 plant waste Substances 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 abstract 1
- 239000000779 smoke Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 235000019504 cigarettes Nutrition 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 239000010884 boiler slag Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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Abstract
The utility model relates to a heat-recovery device, and discloses a heat-supply device utilizing waste heat of a biomass power plant. The heat supply device comprises a steam pipeline, a cooling water circulating pipeline and an internal circulating pipeline. The heat-supply device is characterized by further comprising a heat-supply pipeline. The heat-supply tube is connected with a slag heat exchanger and then is connected with a heat user side after heat is absorbed by a water-water heat exchanger. By means of the heat exchanging, after heat in smoke, slag and circulating cooling water can be recovered, and can be used for supplying heat for livings and productions. The heat-supply device has the advantages of high heat recovery use ratio, energy economization, environmental protection and the like.
Description
Technical field
The utility model relates to a kind of waste heat recovery plant, relates in particular to a kind of biomass electric power plant recirculated cooling water, flue gas, slag Waste Heat Recovery heating system.
Background technology
The recirculated cooling water heat energy of biomass power plant enters by chimney by cooling tower, flue gas heat that atmosphere forms huge heat-energy losses, slag heat energy enters environment by lime-ash, it is the low main cause of biomass power plant energy use efficiency, not only cause the waste of energy and water or electricity, also seriously polluted environment and atmosphere simultaneously.Important difference of biomass power plant and coal-fired station just is that in the burnt gas of biomass power plant, sulfur content is extremely low, also can not form sulfuric acid, etching apparatus after condensation.So biomass electric power plant does not have certain temperature requirement to the cigarette wind that it discharges, the heat in cigarette wind can be recycled fully.
The utility model content
The utility model is difficult to reclaim and the problem of utilizing for the used heat such as recirculated cooling water, flue gas, slag in prior art, and a kind of heating system that adopts heat pump techniques, flue gas heat-exchange unit, slag heat exchanger to reclaim biomass electric power plant used heat is provided.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
A kind of heating plant that utilizes the biomass power plant waste heat, comprise steam pipework, recirculated cooling water pipeline, inner loop pipeline, also comprise heat supplying pipeline, described heat supplying pipeline connects the slag heat exchanger, after absorbing heat through the water water-to-water heat exchanger, be connected to hot user side.Contain a large amount of waste heats in boiler slag, heat supplying pipeline is by the waste heat in slag heat exchanger recovery slag, and the waste heat in process water water-to-water heat exchanger recovery boiler cigarette wind and cooling water, and then is transported to hot user side, realizes Waste Heat Recovery and heat supply.
As preferably, the utility model also comprises the flue gas heat exchange pipeline, described flue gas heat exchange pipeline is provided with flue gas heat-exchange unit, the high-temperature-hot-water that the process flue gas heat-exchange unit obtains is as the driving heat source of absorption heat pump, absorption heat pump absorption cycle cooling water waste is delivered to hot user by the water water-to-water heat exchanger after further heating up by flue gas heat-exchange unit.Described flue gas heat exchange pipeline absorbs heat through flue gas heat-exchange unit, be connected to sorption type heat pump and carry out heat release, then pass through the effect of flue gas heat exchange circulating pump, the flue gas heat exchange pipeline loops back the used heat of receiving in flue gas, and offers the hot water temperature that sorption type heat pump is done driving heat source and further promoted the output of suction inner loop pipeline.
As preferably, described inner loop pipeline is through sorption type heat pump, flue gas heat-exchange unit and water water-to-water heat exchanger, and the water water-to-water heat exchanger connects internal circulation pump, forms circulation line.Inner loop pipeline carries out heat exchange by the flue gas heat-exchange unit on the sorption type heat pump on the recirculated cooling water pipeline and flue gas heat exchange pipeline and obtains heat energy, then by the water water-to-water heat exchanger, the heat energy that obtains is passed to heat supplying pipeline in the mode of heat exchange.
As preferably, described steam pipework connects steam turbine and condenser.
As preferably, the steam of described steam pipework is through the steam turbine acting, and the exhaust steam that steam turbine is discharged is delivered to condenser, and exhaust steam becomes thermal energy transfer into condensate water after to the cooling water in the recirculated cooling water pipeline through condenser and discharges.
As preferably, described recirculated cooling water pipeline is got back to later on the cool cycles pond through coolant circulation pump, condenser, absorption heat pump from the cool cycles pond.Also be provided with the circulating cooling water pump in described cooling water circulation pipeline.Thermal energy transfer in the recirculated cooling water pipeline that absorption heat pump is absorbed by inner loop pipeline has improved the utilization rate of heat energy to heat supplying pipeline.
As preferably, also be provided with internal circulation pump on described inner loop pipeline, described internal circulation pump is arranged between absorption heat pump and water water-to-water heat exchanger.
As preferably, also be provided with on described heat supplying pipeline for hot recycle pump, the described hot recycle pump that supplies is arranged between slag heat exchanger and water water-to-water heat exchanger.
Absorption heat pump technology recovery biomass electric power plant recirculated cooling water used heat, flue gas heat-exchange unit reclaim cigarette wind used heat to the utility model, the slag heat exchanger reclaims the used heat in slag by adopting, and offer life, work with hot, has the heat energy recycle rate high, the advantage of energy-conserving and environment-protective.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Wherein: 1-steam pipework, 2-recirculated cooling water pipeline, 3-flue gas heat exchange pipeline, 4-inner loop pipeline, 5-heat supplying pipeline, 6-flue gas heat-exchange unit, 7-absorption heat pump, 9-water water-to-water heat exchanger, 10-slag heat exchanger, 11-steam turbine, 12-condenser, 21-circulating cooling pond, 22-circulating cooling water pump, 31-flue gas heat exchange circulating pump, 41-internal circulation pump, 52-confession hot recycle pump, the hot user of 51-terminal.
The specific embodiment
Below in conjunction with accompanying drawing 1 and the specific embodiment, the utility model is described in further detail:
A kind of heating plant that utilizes the biomass power plant waste heat as shown in Figure 1, comprises steam pipework 1, recirculated cooling water pipeline 2, flue gas heat exchange pipeline 3, inner loop pipeline 4 and heat supplying pipeline 5.
Described steam pipework 1 connects steam turbine 11 and condenser 12; Recirculated cooling water pipeline 2 is from cool cycles pond 21, through getting back to cool cycles pond 21 after circulating cooling water pump, condenser 12, sorption type heat pump 7.After the steam of steam pipework 1 does work through steam turbine 11, the exhaust steam that steam turbine 11 is discharged is delivered to condenser 12, exhaust steam through condenser 12 with thermal energy transfer to cooling water circulation pipeline 2, absorbs through sorption type heat pump 7 with the recirculated cooling water of heat energy and heats up after carry out heat exchange with inner loop pipeline 4, inner loop pipeline 4 by through the further intensification of flue gas heat-exchange unit 6 by water water-to-water heat exchanger 9 with thermal energy transfer to heat supplying pipeline 5.
Recirculated cooling water pipeline 2 carries out further thermal energy exchange through heat energy and the intensification of sorption type heat pump 7 absorption cycle cooling waters, by inner loop pipeline 4, the heat energy of sorption type heat pump 7 absorption cycle cooling waters is heated up and further heat up by water water-to-water heat exchanger 9 thermal energy transfer to heat supplying pipeline 5 by flue gas heat-exchange unit 6, improved the utilization rate of heat energy.Recirculated cooling water pipeline 2 is provided with circulating cooling water pump 22, and circulating cooling water pump 22 is arranged between cool cycles pond 21 and condenser 12.Recirculated cooling water pipeline 2 discharges heat energy through sorption type heat pump 7.
The steam of steam pipework 1 through steam turbine 11 actings after, the exhaust steam that steam turbine 11 is discharged is delivered to condenser 12, exhaust steam becomes thermal energy transfer into condensate water after to the cooling water in cooling water circulation pipeline 2 through condenser 12 and discharges.The steam that boiler produces work done in vapour opinion machine, in the cyclic process of this heating agent, need to emit a large amount of condensation heat, exhaust steam after the steam turbine work done enters condenser 12 by steam discharge, discharge heat energy and condense into water in the process of condenser 12 condensations and enter boiler again after heating, at this moment, raise through the cooling water temperature in condenser 12 cooling water circulation pipelines 2.
Described flue gas heat exchange pipeline 3 is provided with flue gas heat-exchange unit 6, and the heat medium water of flue gas heat exchange pipeline 3 as the driving heat source of absorption heat pump 7, after the sorption type heat pump heat absorption, is got back to flue gas heat-exchange unit 6 after flue gas heat-exchange unit 6 heats up.Also be provided with circulating pump 31 in described flue gas heat exchange pipeline.Described flue gas heat exchange pipeline absorbs heat through flue gas heat-exchange unit 6, water temperature in flue gas heat exchange pipeline 3 is reached more than 145 ℃, and then be connected to sorption type heat pump 7 and do the driving heat source release heat, the then effect by circulating pump 31, the used heat in flue gas heat exchange pipeline 3 circulation recovered flue gas.Hot water in flue gas heat exchange pipeline 3 is as the driving heat source of absorption heat pump 7, sorption type heat pump 7 absorption cycle cooling water wastes also heat up and to send into inner loop pipeline 4, inner loop pipeline 4 pass through after flue gas heat-exchange unit 6 heats up again water water-to-water heat exchanger 9 with thermal energy transfer to heat supplying pipeline 5.
Described inner loop pipeline 4 is through internal circulation pump 41, absorption heat pump 7, flue gas heat-exchange unit 6 and water water-to-water heat exchanger 9.Inner loop pipeline 4 carries out heat exchange by the sorption type heat pump 7 on recirculated cooling water pipeline 2, flue gas heat-exchange unit 6 in flue gas heat exchange pipeline 3 and obtains heat energy, then by water water-to-water heat exchanger 9, the heat energy that obtains is passed to heat supplying pipeline 5 in the mode of heat exchange.Inner loop pipeline 4 is provided with internal circulation pump 41, and internal circulation pump 41 is arranged between absorption heat pump 7 and water water-to-water heat exchanger 9.Water in inner loop pipeline 4 heats up through absorption heat pump 7 and reaches 90 ℃ of left and right; Then pass through flue gas heat-exchange unit 6, because the temperature in flue gas is higher, the water in inner loop pipeline 4 can be heated to more than 105 ℃; At last, after the water in inner loop pipeline 4 enters the 9 release heat energy heat supplies of water water-to-water heat exchanger, return water temperature drops to below 50 ℃.
Described heat supplying pipeline 5 connects hot user side 51 and slag heat exchanger 10, through getting back to the hot user 51 of terminal after water water-to-water heat exchanger 9.Described slag heat exchanger 10 is by the waste heat in the mode recovery boiler waste residue of heat exchange.Heat supplying pipeline 5 is provided with for hot recycle pump 52, is arranged between water water-to-water heat exchanger 9 and slag heat exchanger 10 for hot recycle pump 52.Heat energy in heat supplying pipeline 5 obtains by water water-to-water heat exchanger 9 and slag heat exchanger 10.After heat supplying pipeline 5 process slag heat exchangers 10, water temperature is elevated to more than 50 ℃, and then through again absorbing heat energy after water water-to-water heat exchanger 9, water temperature reaches delivers to the hot user 51 of terminal more than 70 ℃.
The utility model reclaims the waste heat in biomass electric power plant cigarette wind, slag and cooling water, and in order to the production heat supply of living, has the heat energy recycle rate high, the advantages such as energy-conserving and environment-protective by heat exchange method.
Above the heating plant of biomass power plant waste heat that utilizes provided by the utility model is described in detail, for one of ordinary skill in the art, thought according to the utility model embodiment, all will change in specific embodiments and applications, can do respective change according to actual needs.In sum, this description should not be construed as restriction of the present utility model.
Claims (8)
1. heating plant that utilizes the biomass power plant waste heat, comprise steam pipework (1), recirculated cooling water pipeline (2), inner loop pipeline (4), it is characterized in that: also comprise heat supplying pipeline (5), described heat supplying pipeline (5) is delivered to the hot user of terminal (51) after absorbing heat through slag heat exchanger (10), water water-to-water heat exchanger (9).
2. the heating plant that utilizes the biomass power plant waste heat according to claim 1, it is characterized in that: also comprise flue gas heat exchange pipeline (3), described flue gas heat exchange pipeline (3) is provided with flue gas heat-exchange unit (6), flue gas heat exchange pipeline (3) is got back to flue gas heat-exchange unit (6) by flue gas heat exchange circulating pump (31) after carrying out heat absorption through sorption type heat pump (7).
3. the heating plant that utilizes the biomass power plant waste heat according to claim 1, is characterized in that: described inner loop pipeline (4) sorption type heat pump (7), flue gas heat-exchange unit (6), water water-to-water heat exchanger (9) and internal circulation pump (41) formation circulation line.
4. the heating plant that utilizes the biomass power plant waste heat according to claim 1, is characterized in that: described steam pipework (1) connection steam turbine (11) and condenser (12).
5. the heating plant that utilizes the biomass power plant waste heat according to claim 4, it is characterized in that: after the steam of described steam pipework (1) does work through steam turbine (11), the exhaust steam that steam turbine (11) is discharged is delivered to condenser (12), exhaust steam through condenser (12) with thermal energy transfer to the recirculated cooling water in recirculated cooling water pipeline (2) after solidifying water discharge.
6. the heating plant that utilizes the biomass power plant waste heat according to claim 1, it is characterized in that: described recirculated cooling water pipeline (2) is from cool cycles pond (21), through getting back to cool cycles pond (21) after circulating cooling water pump (22), condenser (12), sorption type heat pump (7).
7. the heating plant that utilizes the biomass power plant waste heat described according to claim 1 to 6 any one, is characterized in that: also be provided with internal circulation pump (41) on described inner loop pipeline (4).
8. the heating plant that utilizes the biomass power plant waste heat described according to claim 1 to 6 any one, is characterized in that: also be provided with on described heat supplying pipeline (5) for hot recycle pump (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220722523 CN203010751U (en) | 2012-12-25 | 2012-12-25 | Heat-supply device utilizing waste heat of biomass power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220722523 CN203010751U (en) | 2012-12-25 | 2012-12-25 | Heat-supply device utilizing waste heat of biomass power plant |
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| Publication Number | Publication Date |
|---|---|
| CN203010751U true CN203010751U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220722523 Expired - Fee Related CN203010751U (en) | 2012-12-25 | 2012-12-25 | Heat-supply device utilizing waste heat of biomass power plant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017238A (en) * | 2012-12-25 | 2013-04-03 | 浙江工商大学 | Waste heat recovery heating system of biomass power plant |
| CN104089435A (en) * | 2014-07-01 | 2014-10-08 | 国家电网公司 | Energy saving amount determination method for recycling waste heat of circulating cooling water by means of heat pump |
| CN105758063A (en) * | 2015-03-02 | 2016-07-13 | 熵零控股股份有限公司 | Heat pumping method and heat pumping system |
-
2012
- 2012-12-25 CN CN 201220722523 patent/CN203010751U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017238A (en) * | 2012-12-25 | 2013-04-03 | 浙江工商大学 | Waste heat recovery heating system of biomass power plant |
| CN103017238B (en) * | 2012-12-25 | 2016-01-06 | 浙江工商大学 | Biomass electric power plant Waste Heat Recovery heating system |
| CN104089435A (en) * | 2014-07-01 | 2014-10-08 | 国家电网公司 | Energy saving amount determination method for recycling waste heat of circulating cooling water by means of heat pump |
| CN104089435B (en) * | 2014-07-01 | 2016-06-08 | 国家电网公司 | Heat pump is utilized to reclaim the amount of energy saving defining method of circulating cooling water afterheat |
| CN105758063A (en) * | 2015-03-02 | 2016-07-13 | 熵零控股股份有限公司 | Heat pumping method and heat pumping system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Li Tongqiang Document name: Notification of Approving Refund |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20161225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |