CN202808553U - Comprehensive sludge drying energy utilization system employing industrial waste gas - Google Patents
Comprehensive sludge drying energy utilization system employing industrial waste gas Download PDFInfo
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- CN202808553U CN202808553U CN2012203381105U CN201220338110U CN202808553U CN 202808553 U CN202808553 U CN 202808553U CN 2012203381105 U CN2012203381105 U CN 2012203381105U CN 201220338110 U CN201220338110 U CN 201220338110U CN 202808553 U CN202808553 U CN 202808553U
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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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
A sludge drying system employing factory high-temperature waste gas comprises a heat pump device, a wind path, an intermediate heat exchange device and a sludge drying device, and is characterized by comprising an intermediate heat exchanger (2), wherein the inlet end of the heat dissipation side of the heat exchanger is connected with factory high-temperature waste gas, while the outlet side of the heat exchanger is connected to the atmosphere; a working medium air pipeline (6) is sequentially connected with the heat gain side of the intermediate heat exchanger (2), the sludge drying device (5) and the heat dissipation side of a heat pump evaporator (7), and connected to the inlet of the heat gain side of the intermediate heat exchanger (2); the coolant pipeline of the heat pump is sequentially connected with the heat gain side of the heat pump evaporator (7), a compressor (10), the heat dissipation side of a heat pump condenser (11) and a throttling valve (9) to the inlet of the heat gain side of the heat pump evaporator (7); and a clear water pipeline (13) is connected to the heat dissipation side of the heat pump condenser (11) and connected with a hot water pipeline (12) so as to supply water to the parts needing water. The system realizes sludge drying by utilizing the energy of the factory high-temperature waste gas, and simultaneously employs the heat pump system to cool and dehumidify the tail gas and recovery heat after the sludge is dried, thereby obtaining high-temperature hot water.
Description
Technical field
The utility model relates to a kind of sludge-drying hot water preparing system, particularly relates to a kind of sludge dry system that utilizes factory's high-temp waste gas.
Background technology
In factory, often exist in the waste gas, particularly printing and dyeing enterprise of high temperature, exist a large amount of boiler exhaust gas, forming machine used heat, in process of production, recycle because this part energy is difficult to collect, so a large amount of energy wastages occurs.
Adopting high-temperature flue gas to carry out the larger problem of technology ubiquity of drying sludge in the sludge dry system, mainly is to adopt high temperature drying, and the toxic and harmful in the mud is decomposited in a large number, causes serious secondary pollution; Directly and the mud contact drying, a large amount of gases after dry can not enter boiler combustion, produce huge vent gas treatment cost; Or through carrying out drying after the heat exchange, because temperature is low after dry, can not reuse inefficiency; If directly discharging, this part high-temp waste gas can cause serious thermal pollution to environment.How effectively to utilize this part high-temp waste gas to become the current major issue that faces.
Summary of the invention
The purpose of this utility model is exactly in order to solve the above-mentioned problem, provide a kind of energy that utilizes efficiently high temperature factory high-temp waste gas to realize sludge drying, utilize simultaneously heat pump that the tail gas after the sludge drying is carried out cool-down dehumidification, reclaims heat and produce high-temperature-hot-water.
Concrete provide a kind of sludge dry system that utilizes factory's high-temp waste gas, comprise intermediate heat 2, the inlet end of this interchanger heat radiation side is connected with factory's high-temp waste gas, and outlet side connects atmosphere; Working medium airline 6 be linked in sequence described intermediate heat 2 the heat radiation side of hot side, sludge drying mechanism 5, evaporator with heat pump 7, be connected to intermediate heat 2 place, hot side entrance; The heat pump refrigerant pipeline be linked in sequence described evaporator with heat pump 7 hot side, compressor 10, heat pump condenser 11 heat radiation side, throttling valve 9, be connected to evaporator with heat pump 7 place, hot side entrance; Water return pipeline 13 connects heat pump condenser 11 heat radiation side, connects hot water line 12 and delivers to the water place.
Described factory high-temp waste gas be exhaust temperature at the waste gas more than 120 ℃, this waste gas is from the forming machine of boiler or printing and dyeing enterprise.
Described intermediate heat 2 is selected hot tube heat exchanger or fin-tube type heat exchanger.
Described temperature through the working medium air that enters drying sludge case 5 after the intermediate heat 2 is at 80 ℃ and following.
Described working medium air enters evaporator with heat pump 7 through after the drying sludge case 5, through after the dehumidification by condensation, reenters intermediate heat 2 heating;
The recycle in the closed conduit of system of described working medium air.
Described evaporator with heat pump 7 has absorbed after the energy of working medium air, and by compressor 10, throttling valve 9 with energy recovery to condenser 11, be used for producing high-temperature-hot-water.
Described high-temperature-hot-water, temperature are used for factory technics flow process, domestic water, bath water or heating water more than 65 ℃.
Described evaporator with heat pump 7 is working medium air and heat pump refrigerant heat exchanger, and described heat pump condenser 11 is water and heat pump refrigerant heat exchanger.
The utility model adopts high temperature factory high-temp waste gas as main energy sources, can effectively utilize the energy in the high temperature factory high-temp waste gas to carry out sludge drying on the one hand, on the other hand, the damp and hot working medium air of high enthalpy after the sludge-drying, carry out energy recovery by heat pump, produce high-temperature-hot-water in the plant produced technical process.After the high temperature factory high-temp waste gas sludge-drying, waste heat is used for producing high-temperature-hot-water, will greatly improve the utilization ratio of resource.
Description of drawings
Fig. 1 is the utility model embodiment system diagram;
Wherein: 1 is the plant gas intake; 2 is intermediate heat; 3 is exhanst gas outlet; 4 are hot working fluid air line after the heat exchange; 5 is the drying sludge case; 6 export damp and hot working medium air line for loft drier; 7 is evaporator with heat pump; 8 are working medium air line after the condensation; 9 is throttling valve; 10 is compressor; 11 is heat pump condenser; 12 is hot water pipeline; 13 is water return pipeline; 14 is the industrial building
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Be illustrated in figure 1 as the utility model embodiment system diagram, a kind of sludge dry system that utilizes factory's high-temp waste gas is characterized in that: comprise intermediate heat 2, the inlet end of this interchanger heat radiation side is connected with factory's high-temp waste gas, and outlet side connects atmosphere; Working medium airline 6 be linked in sequence described intermediate heat 2 the heat radiation side of hot side, sludge drying mechanism 5, evaporator with heat pump 7, be connected to intermediate heat 2 place, hot side entrance; The heat pump refrigerant pipeline be linked in sequence described evaporator with heat pump 7 hot side, compressor 10, heat pump condenser 11 heat radiation side, throttling valve 9, be connected to evaporator with heat pump 7 place, hot side entrance; Water return pipeline 13 connects heat pump condenser 11 heat radiation side, connects hot water line 12 and delivers to the water place.Herein the direction transmitted of the heat that represents of hot side and heat radiation side, in interchanger, heat is delivered to get hot side from heat radiation side.
Concrete from function, a part is sludge drying device, comprises plant gas intake 1, intermediate heat 2, working medium air line 4,6,8, evaporator with heat pump 7 and mud drying baker 5.The high-temp waste gas of factory be exhaust temperature at the waste gas more than 130 ℃, this waste gas is from the forming machine of boiler or printing and dyeing enterprise.This high-temp waste gas enters intermediate heat 2 through waste gas intake 1, can select hot tube heat exchanger or fin-tube type heat exchanger etc.Low temperature waste gas after the heat exchange is disposed to atmosphere from exhanst gas outlet 3 after processing, can effectively prevent thermal pollution; The working medium air is through temperature increase to 80 after the intermediate heat ℃, belong to middle cryodrying, there is pipeline 4 to deliver to sludge-drying in the loft drier 5, for sludge-drying provides drying energy, the working medium air is through after the kiln sludge-drying, temperature is reduced to about 50 ℃, and humidity rises, through coming back to the intermediate heat heating via pipeline 8 after the evaporator with heat pump dehumidification by condensation.Be after the working medium air process loft drier 5, introduce evaporator with heat pump 7, through after the dehumidification by condensation, reenter intermediate heat 2 heating.The recycle in the closed conduit of system of working medium air.The effective reduce mud of middle temperature is dried mud produces toxic and harmful and decomposes, and reduces the generation of secondary pollution.
As shown in Figure 1, the heat pump refrigerant pipeline be linked in sequence described evaporator with heat pump 7 hot side, compressor 10, heat pump condenser 11 heat radiation side, throttling valve 9, be connected to evaporator with heat pump 7 place, hot side entrance; Water return pipeline 13 connects heat pump condenser 11 heat radiation side, connects hot water line 12 and delivers to the water place.See that from function system also has the hot water preparing device, mainly comprise evaporator with heat pump 7, heat pump condenser 11, hot water pipeline 12, recovery channel 13.Evaporator with heat pump 7 is working medium air and heat pump refrigerant heat exchanger, and this evaporator with heat pump 7 is used for the cool-down dehumidification of working medium air, also airborne energy is reclaimed simultaneously.Damp-heat air through after the sludge drying chamber oven dry mud still have the temperature about 50 ℃, and humidity is very large, therefore has higher enthalpy, if directly discharging will cause a large amount of energy wastages.Therefore use heat pump to reclaim sensible heat and the latent heat of air, the airborne condensate moisture of damp and hot working medium can be got off simultaneously, guarantee the normal operation of sludge drying mechanism.Damp and hot working medium air is delivered to evaporator with heat pump 7 through piping 6, and by the cooling condensation, recovered energy by the acting in conjunction of heat pump by compressor 10 throttling valve 9, produces 3 times of energy transport more than electric power get hot side to condenser 11 working-medium water simultaneously.Evaporator with heat pump 7 has absorbed after the energy of working medium air, and by compressor 10, throttling valve 9 with energy recovery to condenser 11, be used for producing temperature at the high-temperature-hot-water more than 65 ℃.Working-medium water uses through being delivered in the workshop technical process of factory by pipeline 12 after the condenser 11, or as life, bathing, heating water.Wherein heat pump condenser 11 is water and heat pump refrigerant heat exchanger.
Native system is in operational process, and input high temperature factory high-temp waste gas after oven dry mud, reclaims used heat again, is heated into high-temperature-hot-water worker factory by heat pump and uses, and has very high energy use efficiency.System utilizes high temperature factory high-temp waste gas, belongs to the used heat utilization, carries out senior middle school's temperature heat exchange by intermediate heat simultaneously, makes cryodrying in the use in the drying sludge case, prevents because the generation of a large amount of toxic and harmfuls of high temperature drying.
Claims (3)
1. sludge dry system that utilizes factory's high-temp waste gas, it is characterized in that: comprise intermediate heat (2), the population end of this interchanger heat radiation side is connected with factory's high-temp waste gas, and outlet side connects atmosphere; Working medium airline (6) be linked in sequence described intermediate heat (2) the heat radiation side of hot side, sludge drying mechanism (5), evaporator with heat pump (7), be connected to intermediate heat (2) place, hot side entrance; The heat pump refrigerant pipeline be linked in sequence described evaporator with heat pump (7) hot side, compressor (10), heat pump condenser (11) heat radiation side, throttling valve (9), be connected to evaporator with heat pump (7) place, hot side entrance; Water return pipeline (13) connects heat pump condenser (11) heat radiation side, connects hot water line (12) and delivers to the water place.
2. the sludge dry system that utilizes factory's high-temp waste gas according to claim 1 is characterized in that described intermediate heat (2), selects hot tube heat exchanger or fin-tube type heat exchanger.
3. the sludge dry system that utilizes factory's high-temp waste gas according to claim 1 is characterized in that described evaporator with heat pump (7) is working medium air and heat pump refrigerant heat exchanger, and described heat pump condenser (11) is water and heat pump refrigerant heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203381105U CN202808553U (en) | 2012-07-09 | 2012-07-09 | Comprehensive sludge drying energy utilization system employing industrial waste gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203381105U CN202808553U (en) | 2012-07-09 | 2012-07-09 | Comprehensive sludge drying energy utilization system employing industrial waste gas |
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| CN202808553U true CN202808553U (en) | 2013-03-20 |
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| CN2012203381105U Expired - Fee Related CN202808553U (en) | 2012-07-09 | 2012-07-09 | Comprehensive sludge drying energy utilization system employing industrial waste gas |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104649559A (en) * | 2013-11-20 | 2015-05-27 | 霍特安热能技术（江苏）有限公司 | Low-temperature belt-type drying apparatus utilizing residual heat from flue gas |
| CN105060673A (en) * | 2015-07-27 | 2015-11-18 | 广州市环境保护工程设计院有限公司 | Sealed low temperature sludge desiccation system |
| CN107473562A (en) * | 2017-10-09 | 2017-12-15 | 利得环境科技（北京）有限公司 | Utilize the sludge drying system and sludge drying method of used heat flue gas |
| CN107619310A (en) * | 2017-09-08 | 2018-01-23 | 国电龙源电力技术工程有限责任公司 | The system and method that Coastal Power Station warm water discharge recycles |
| CN109592874A (en) * | 2018-11-08 | 2019-04-09 | 天津大学 | A kind of energy-saving sludge drying system |
| CN110748906A (en) * | 2019-11-04 | 2020-02-04 | 中国能源建设集团山西省电力勘测设计院有限公司 | Boiler flue gas waste heat utilization system and utilization method for thermal power plant |
| CN114671588A (en) * | 2022-03-09 | 2022-06-28 | 广州晟启能源设备有限公司 | Sludge treatment system and sludge treatment method |
-
2012
- 2012-07-09 CN CN2012203381105U patent/CN202808553U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104649559A (en) * | 2013-11-20 | 2015-05-27 | 霍特安热能技术（江苏）有限公司 | Low-temperature belt-type drying apparatus utilizing residual heat from flue gas |
| CN105060673A (en) * | 2015-07-27 | 2015-11-18 | 广州市环境保护工程设计院有限公司 | Sealed low temperature sludge desiccation system |
| CN107619310A (en) * | 2017-09-08 | 2018-01-23 | 国电龙源电力技术工程有限责任公司 | The system and method that Coastal Power Station warm water discharge recycles |
| CN107619310B (en) * | 2017-09-08 | 2023-04-28 | 国能龙源电力技术工程有限责任公司 | System and method for recycling coastal power plant warm water |
| CN107473562A (en) * | 2017-10-09 | 2017-12-15 | 利得环境科技（北京）有限公司 | Utilize the sludge drying system and sludge drying method of used heat flue gas |
| CN109592874A (en) * | 2018-11-08 | 2019-04-09 | 天津大学 | A kind of energy-saving sludge drying system |
| CN109592874B (en) * | 2018-11-08 | 2023-11-17 | 天津大学 | Energy-saving sludge drying system |
| CN110748906A (en) * | 2019-11-04 | 2020-02-04 | 中国能源建设集团山西省电力勘测设计院有限公司 | Boiler flue gas waste heat utilization system and utilization method for thermal power plant |
| CN114671588A (en) * | 2022-03-09 | 2022-06-28 | 广州晟启能源设备有限公司 | Sludge treatment system and sludge treatment method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20150709 |
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| EXPY | Termination of patent right or utility model |