CN203549973U - Heat-source-reusing integrated heat exchange unit - Google Patents
Heat-source-reusing integrated heat exchange unit Download PDFInfo
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- CN203549973U CN203549973U CN201320589458.6U CN201320589458U CN203549973U CN 203549973 U CN203549973 U CN 203549973U CN 201320589458 U CN201320589458 U CN 201320589458U CN 203549973 U CN203549973 U CN 203549973U
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Abstract
A heat-source-reusing integrated heat exchange unit comprises a lithium bromide absorbing-type heat pump, a plate-type heat exchanger, a secondary network circulating water pump, a secondary network water replenishing system, an electric control system, a pipeline, a valve and the like. The lithium bromide absorbing-type heat pump comprises a generator, a condenser, an evaporator, an absorber, a solution pump, a refrigerant pump and a solution heat exchanger, an inlet of the generator is connected with a primary network water supply device while an outlet of the same is connected with the plate-type heat exchanger which is connected with the evaporator, an outlet of the evaporator is connected with a primary network water returning device, an inlet of the absorber is connected with a secondary network water returning device through the secondary network circulating water pump while an outlet of the same is connected with an inlet of the condenser, an outlet of the condenser is connected with a secondary network water supply device, the secondary network circulating water pump connected with the secondary network water returning device is connected with an inlet of the plate-type heat exchanger, and an outlet of the plate-type heat exchanger is connected with the secondary network water supply device. Due to recycling of a heat source, heat utilization rate is increased, and arrangement and reconstruction investment of a primary pipeline network and energy consumption of a circulating pump are lowered to great extent.
Description
Technical field
The utility model relates to a kind of thermal source recycling integrated heat exchange unit, is a kind of integrated heat exchange unit of thermal source secondary recycling specifically, and this unit is mainly used in for warm domestic hot-water.
Background technology
Along with city and cities and towns extension, the north continuous increase of heating area and the continuous demand of hot water for life, there is the problems such as urban pipe network conveying capacity deficiency and Cogeneration Heat source capability deficiency, so, in order to improve the conveying capacity of central heating network, need to again to a webmaster net, carry out the power consumption of invest in the transformation of real estate and raising circulating pump, but deployment tube guipure comes restriction and the inconvenience of many execution conditions, and quantities is also very huge.By use of the present utility model, recycling that can be to a secondary net heat source water, grade not high heat source water carry out again heat gradient secondary cycle recycling, can greatly improve the thermic load of the secondary network heating water under certain flow, in the situation that not changing pipe network, just boiler room or heating plant equipment are replaced and transformed, will reduce to a great extent the power consumption of a pipe net arrangement investment for trnasforming urban land and reduction circulating pump.
Summary of the invention
The purpose of this utility model has been to provide thermal source and has carried out gradient recycling, heat source water heat is carried out to secondary and reclaim.Make a secondary net return water temperature lower, meet in the situation of the certain supply and return water temperature of secondary network, more heating or domestic hot-water's integrated heat exchange unit is provided.
The purpose of this utility model is achieved in that this thermal source recycling integrated heat exchange unit, comprises lithium bromide absorption type heat pump, plate type heat exchanger, secondary network water circulating pump, secondary network water charging system, electric-control system, pipeline, valve.Described lithium bromide absorption type heat pump comprises generator, condenser, evaporimeter, absorber, solution pump, cryogenic fluid pump, solution heat exchanger; Described generator import is supplied water and is connected with a secondary net, and the outlet of this generator is connected with described plate type heat exchanger.Described plate type heat exchanger is connected with evaporimeter, and the outlet of this evaporimeter is connected with a secondary net backwater; Meanwhile, the entrance of absorber is connected with secondary network backwater by secondary network water circulating pump.The outlet of this absorber connects the entrance of described condenser, and the outlet of this condenser is supplied water and is connected with secondary network.This secondary cycle water pump of connecting secondary net backwater connects described plate type heat exchanger import simultaneously, and the outlet of this plate type heat exchanger is supplied water and is connected with secondary network.
Further, described solution pump is connected with evaporimeter, in order to the unevaporated solution heat cycles in evaporimeter is evaporated again.
Further, described absorber is connected with generator by connected successively cryogenic fluid pump, solution heat exchanger.
Further, secondary water charging system comprises secondary small pump, water draw-off; Described secondary small pump is connected with secondary network filling pipe.
Further, electric-control system comprises electrical control cubicles, and this electrical control cubicles connects central control system communication.
This unit is mainly comprised of six part pipe-line systems: a secondary net cycling hot main water supply tube road system, secondary network circulation healed water pipe-line system, secondary network constant pressure supply water and drain water circuit system and control system, lithium bromide absorption type heat pump solution recirculating system, lithium bromide absorption type heat pump lithium bromide cryogen recirculating system.For a secondary net cycling hot main water supply tube road system, one secondary net supplies water and first passes through generator, heating bromize lithium concentrated solution, after cooling, through plate type heat exchanger, further lower the temperature again, finally through evaporimeter, carry out thermal source recycling low-grade heat source again, obtain larger cooling after a secondary net backwater complete this cyclic process.For secondary network pipeline system, heated secondary network backwater is suppressed through secondary network water circulating pump, a part is through condenser, the cold-producing medium steam of HTHP is emitted the latent heat of vaporization through condensation, and healed water temperature is raise, and another part is through plate type heat exchanger, with the driving heat source hydrothermal exchange after the cooling of lithium bromide absorption type heat pump generator, healed water temperature is raise, after last two strands of water that are heated intensification converge, secondary network this cyclic process of having supplied water.For secondary network moisturizing and drainage system, according to the size of secondary network inlet pressure, carry out constant pressure supply water and sluicing, guarantee that secondary network pipeline normally moves; Unit control system, by gathering first and second net temperature, pressure and flow, regulates the aperture of temperature-sensing valve and the rotating speed of circulating pump, thereby controls flow and the thermic load of secondary network; When secondary network pressure of return water is too high, automatically open water draw-off, when secondary network pressure of return water is too low, stop circulating pump.For lithium bromide absorption type heat pump solution recirculating line system, by the circulation of solution pump, the unevaporated solution heat cycles in evaporimeter is evaporated again.For lithium bromide absorption type heat pump lithium bromide cryogen recirculating system, lithium bromide recycles absorbent solution and evaporating liquid between absorber and generator by cryogenic fluid pump, and by solution heat exchanger, carries out heat and reclaim.
The utlity model has following advantage and good effect:
The utility model unit is reclaimed and produces secondary network heating water heat heat source water heat to greatest extent by the recycling of a secondary net heat source water, greatly reduce invest in the transformation of real estate cost and a secondary net circulating pump power consumption energy of secondary pipe network pipeline, by reducing a secondary net return water temperature, pipeline and extraneous heat transfer temperature difference have been reduced, reduced pipe network heat loss, improved heat utilization efficiency, so there is certain energy-saving and cost-reducing effect.
Because the recycling of thermal source reclaims the thermic load that has improved heating water, can carry out reducing energy consumption to city or urban heating system, improve thermal source efficiency and pipe network heat-insulating property, developed research and development popularization and the system reform of in-depth urban heating of green building correlation technique, finally really accomplished to benefit the nation and the people.
Accompanying drawing explanation
Fig. 1 is the utility model thermal source recycling integrated heat exchange unit basic procedure process schematic representation.
Wherein: 1, lithium bromide absorption type heat pump, 2, plate type heat exchanger, 3, secondary network water circulating pump, 4, secondary network small pump, 5, electrical control cubicles, 6, water draw-off, 7, generator, 8, condenser, 9, evaporimeter, 10, absorber, 11, solution pump, 12, cryogenic fluid pump, 13, solution heat exchanger
The specific embodiment
As shown in the figure, thermal source recycling integrated heat exchange unit is comprised of six part pipe-line systems, and they are respectively a secondary net cycling hot main water supply tube road system, secondary network circulation healed water pipe-line system, secondary network constant pressure supply water and drain water circuit system and control system, lithium bromide absorption type heat pump solution recirculating system, lithium bromide absorption type heat pump lithium bromide cryogen recirculating system.Whole unit comprises lithium bromide absorption type heat pump 1, plate type heat exchanger 2, secondary network water circulating pump 3, secondary network water charging system, electric-control system, pipeline, valve.Lithium bromide absorption type heat pump 1 comprises generator 7, condenser 8, evaporimeter 9, absorber 10, solution pump 11, cryogenic fluid pump 12, solution heat exchanger 13; Generator 7 imports are supplied water and are connected with a secondary net, and the outlet of generator 7 is connected with plate type heat exchanger 2.Plate type heat exchanger 2 is connected with evaporimeter 9, and the outlet of evaporimeter 9 is connected with a secondary net backwater. and meanwhile, absorber 10 entrances are connected with secondary network backwater by secondary network water circulating pump 3.The outlet of absorber 10 connects the entrance of condenser 8, and the outlet of condenser 8 is supplied water and is connected with secondary network.Secondary cycle water pump 3 import of connecting plate type heat exchanger 2 simultaneously of connecting secondary net backwater, the outlet of plate type heat exchanger 2 is supplied water and is connected with secondary network.
First one secondary net driving heat source water pass through the generator 7 of lithium bromide absorption type heat pump 1, heating bromize lithium concentrated solution, cold-producing medium water in solution becomes the steam of certain HTHP, heat source water cools to uniform temperature, arrive again plate type heat exchanger 2 heating secondary network shunting backwater, heat source water is further lowered the temperature, then heat source water enters the evaporimeter 9 of lithium bromide absorption type heat pump 1 again, this low-grade heat source water by lower low-temperature low-pressure refrigerant saturation water vaporize draw heat after, heat source water is lowered the temperature again, one secondary net of certain flow so circulates the temperature difference heat of lowering the temperature through is repeatedly provided for backwater.First secondary network circulation improvements water after user side heat radiation suppressed by secondary network water circulating pump 3, part water is through the condenser 8 of lithium bromide absorption type heat pump 1, saturated steam cold-producing medium heating water by the certain HTHP of heat pump becomes HTHP saturation water, this part secondary network circulation improvements water is warmed up to certain heating water temperature, another part improvements water is through plate type heat exchanger 2, by a secondary net heat source water, be heated to certain heating water temperature, last two parts improvements water merges into final certain heating water temperature, and secondary network returns heating water circulation heating water like this.
In addition, solution pump 11 is connected with evaporimeter 9, in order to the unevaporated solution heat cycles in evaporimeter is evaporated again.
Absorber 10 is connected with generator 7 by connected successively cryogenic fluid pump 12, solution heat exchanger 13.Lithium bromide recycles absorbent solution and evaporating liquid by cryogenic fluid pump 12 between the absorber 10 of lithium bromide absorption type heat pump 1 and the generator 7 of lithium bromide absorption type heat pump 1, and the solution heat exchanger 13 by lithium bromide absorption type heat pump 1 carries out heat and reclaims.
Secondary water charging system comprises secondary small pump 4, water draw-off 6; Described secondary small pump 4 is connected with secondary network filling pipe.Secondary network moisturizing and sluicing are carried out constant pressure supply water and sluicing according to the size of secondary network inlet pressure, guarantee that unit is moving under normal operating mode.
Electric-control system comprises electrical control cubicles 5, and this electrical control cubicles 5 connects central control system communication.Control system is by gathering primary side and secondary side temperature, pressure, flow, outdoor temperature, frequency converter frequency, temperature-sensing valve valve seat opening, the running status of secondary network circulating pump 3 and running frequency.By interface, upload to host computer and detect, supply water temperature superelevation is reported to the police; The too low warning of secondary network pressure of return water, superpressure releasing pressure automatically.According to the temperature of secondary network, regulate primary side temperature-sensing valve aperture, thereby change the flow of a secondary net flow-control secondary network; Rotating speed according to secondary network for backwater pressure reduction controlled circulation pump; When secondary network pressure of return water is too high, automatically open water draw-off, when secondary network pressure of return water is too low, stop circulating pump.
Claims (5)
1. a thermal source recycling integrated heat exchange unit, comprises lithium bromide absorption type heat pump, plate type heat exchanger, secondary network water circulating pump, secondary network water charging system, electric-control system, pipeline, valve; It is characterized in that: described lithium bromide absorption type heat pump comprises generator, condenser, evaporimeter, absorber, solution pump, cryogenic fluid pump, solution heat exchanger; Described generator import is supplied water and is connected with a secondary net, and the outlet of this generator is connected with described plate type heat exchanger; Described plate type heat exchanger is connected with evaporimeter, and the outlet of this evaporimeter is connected with a secondary net backwater; Meanwhile, the entrance of this absorber is connected with secondary network backwater by this secondary network water circulating pump; The outlet of this absorber connects the entrance of described condenser, and the outlet of this condenser is supplied water and is connected with secondary network; This secondary cycle water pump of connecting secondary net backwater connects described plate type heat exchanger import simultaneously, and the outlet of this plate type heat exchanger is supplied water and is connected with secondary network.
2. a kind of thermal source recycling integrated heat exchange unit according to claim 1, is characterized in that: described solution pump is connected with evaporimeter, in order to the unevaporated solution heat cycles in evaporimeter is evaporated again.
3. a kind of thermal source recycling integrated heat exchange unit according to claim 1, is characterized in that: described absorber is connected with generator by connected successively cryogenic fluid pump, solution heat exchanger.
4. a kind of thermal source recycling integrated heat exchange unit according to claim 1, is characterized in that: secondary water charging system comprises secondary small pump, water draw-off; Described secondary small pump is connected with secondary network filling pipe.
5. a kind of thermal source recycling integrated heat exchange unit according to claim 1, is characterized in that: electric-control system comprises electrical control cubicles, and this electrical control cubicles connects central control system communication.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320589458.6U CN203549973U (en) | 2013-09-24 | 2013-09-24 | Heat-source-reusing integrated heat exchange unit |
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| CN201320589458.6U CN203549973U (en) | 2013-09-24 | 2013-09-24 | Heat-source-reusing integrated heat exchange unit |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062680A (en) * | 2017-03-17 | 2017-08-18 | 赤峰和然节能设备有限责任公司 | A kind of absorption heat exchange device |
| CN107606814A (en) * | 2017-10-18 | 2018-01-19 | 双良节能系统股份有限公司 | The big temperature difference suction-type lithium bromide heat-exchange unit of Very Low Clearance |
| CN108443954A (en) * | 2018-05-07 | 2018-08-24 | 北京市热力集团有限责任公司 | A kind of a variety of energy storage mode depth heat release heating systems of coupling |
| CN111336573A (en) * | 2019-08-30 | 2020-06-26 | 同方节能工程技术有限公司 | Novel absorption type large-temperature-difference heat exchange unit |
| CN114251709A (en) * | 2021-12-29 | 2022-03-29 | 北京华源泰盟节能设备有限公司 | Medium-temperature waste heat long-distance heat supply system and heat supply method thereof |
| CN114278978A (en) * | 2021-12-28 | 2022-04-05 | 北京华源泰盟节能设备有限公司 | Gas afterburning type large-temperature-difference heat exchange unit and operation method thereof |
| CN115111631A (en) * | 2022-06-21 | 2022-09-27 | 北方联合电力有限责任公司呼和浩特金桥热电厂 | Heat exchange station heat supply system and method |
-
2013
- 2013-09-24 CN CN201320589458.6U patent/CN203549973U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062680A (en) * | 2017-03-17 | 2017-08-18 | 赤峰和然节能设备有限责任公司 | A kind of absorption heat exchange device |
| CN107606814B (en) * | 2017-10-18 | 2024-01-05 | 双良节能系统股份有限公司 | Ultra-low-height large-temperature-difference lithium bromide absorption heat exchanger unit |
| CN107606814A (en) * | 2017-10-18 | 2018-01-19 | 双良节能系统股份有限公司 | The big temperature difference suction-type lithium bromide heat-exchange unit of Very Low Clearance |
| CN108443954A (en) * | 2018-05-07 | 2018-08-24 | 北京市热力集团有限责任公司 | A kind of a variety of energy storage mode depth heat release heating systems of coupling |
| CN108443954B (en) * | 2018-05-07 | 2024-06-07 | 北京市热力集团有限责任公司 | Deep heat release heating system with multiple energy storage modes in coupling mode |
| CN111336573A (en) * | 2019-08-30 | 2020-06-26 | 同方节能工程技术有限公司 | Novel absorption type large-temperature-difference heat exchange unit |
| CN111336573B (en) * | 2019-08-30 | 2024-05-28 | 同方节能工程技术有限公司 | Novel absorption type large-temperature-difference heat exchanger unit |
| CN114278978B (en) * | 2021-12-28 | 2023-08-15 | 北京华源泰盟节能设备有限公司 | Gas afterburning type large-temperature-difference heat exchanger unit and operation method thereof |
| CN114278978A (en) * | 2021-12-28 | 2022-04-05 | 北京华源泰盟节能设备有限公司 | Gas afterburning type large-temperature-difference heat exchange unit and operation method thereof |
| CN114251709B (en) * | 2021-12-29 | 2023-04-25 | 北京华源泰盟节能设备有限公司 | Medium-temperature waste heat long-distance heat supply system and heat supply method thereof |
| CN114251709A (en) * | 2021-12-29 | 2022-03-29 | 北京华源泰盟节能设备有限公司 | Medium-temperature waste heat long-distance heat supply system and heat supply method thereof |
| CN115111631A (en) * | 2022-06-21 | 2022-09-27 | 北方联合电力有限责任公司呼和浩特金桥热电厂 | Heat exchange station heat supply system and method |
| CN115111631B (en) * | 2022-06-21 | 2024-04-30 | 北方联合电力有限责任公司呼和浩特金桥热电厂 | Heat supply system and method for heat exchange station |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201120 Address after: 136000 Siping City of Jilin province Tiexi District South Road No. 5 Patentee after: Jilin Tongda Heat Transfer Engineering Technology Co.,Ltd. Address before: Siping City, Jilin province 136000 South Road No. 6 Patentee before: Siping Juyuan Hanyang Plate Heat Exchanger Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |