CN207230696U - A kind of steam-water mixing central heating system - Google Patents
A kind of steam-water mixing central heating system Download PDFInfo
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- CN207230696U CN207230696U CN201721190677.1U CN201721190677U CN207230696U CN 207230696 U CN207230696 U CN 207230696U CN 201721190677 U CN201721190677 U CN 201721190677U CN 207230696 U CN207230696 U CN 207230696U
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Abstract
The utility model discloses a kind of steam-water mixing central heating system, it is once net steam line between sucking condensing turbine and steam heater, sucking condensing turbine is connected with steam generator system, it is once net water return pipeline between the evaporator of steam generator system and steam absorption heat pump, secondary network water return pipeline is provided with evaporator, there is the pipeline of connection steam heater on secondary network water return pipeline, steam heater is provided with secondary network water supply line, evaporator, which leads to outside steam absorption heat pump, is respectively arranged with the first pipeline and second pipe, first pipeline connects once net water return pipeline, second pipe connects once net steam line.Compared with prior art, the utility model can meet the needs of user is to hot water and steam different heat sources, heat supply is carried out using steam, on the one hand the construction of first heat exchange station can be cancelled, reduce equipment investment, the thermal energy and pressure energy of steam can be made full use of using vapour, water hybrid mode in terminal thermal substation, reduces the power consumption of water pump in system operation.
Description
Technical field
A kind of heating system is the utility model is related to, particularly a kind of steam-water mixing central heating system, belong to energy neck
Domain.
Background technology
City heat supply generally use hot water is as heating medium, and at present, once net is designed for, return water temperature is generally 130
℃/70℃.Continuous with city size expands, and original heat supply pipeline is difficult to the growth for meeting thermal load demands, creates pipeline
The problem of initial cost is big is faced again.Based on this, Tsinghua University proposes great temperature difference heat supply technology, which uses absorption heat pump
With water water- to-water heat exchanger, the confession once netted, backwater temperature difference are greatly added, but still needs to set steam-water heat exchanging initial station, and is adopted
It is higher with the water water heat exchange mode of relative inefficiencies, cost of investment.Steam is previously near by fed distance as another heating medium
Influence, use is less, but in recent years, with the development of long transferring technology, makes it possible steam heating.
As Patent No. 200810101065.X utility model in there are problem：1. only supplying hot water, steam cannot be provided
Meets the needs of different user；2. setting pump type heat water water heat-exchange unit in power plant, system complex, increases equipment investment cost；
3. once net supplies water realizes the big temperature difference by heat pump and the heat exchange of water water, indirect heat exchange efficiency is still relatively low, and confession, return pipe deferent
Footpath is still larger, increases pipeline network construction cost.
Steam-water mixing heat exchange is different from indirect heat exchange, its heat exchange efficiency is approximately 1, but return water temperature is secondary network backwater temperature
Degree, is limited, it is impossible to which very low, direct backwater be easy to cause the loss in vain of heat, treatment in situ by user with heat request
The waste of water resource can be caused again.
Utility model content
The utility model technical issues that need to address be in view of the above shortcomings of the prior art, and provide one kind significantly
While increasing heat supply network conveying capacity, the steam-water mixing central heating system of equipment and pipe network investment is reduced.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of steam-water mixing central heating system, including sucking condensing turbine, steam heater, steam absorption heat pump,
Once net back water pump and steam generator system, the steam absorption heat pump is interior to have generator, evaporator, absorber and condenser,
Once net steam line, the sucking condensing turbine and boiler system are set between the sucking condensing turbine and steam heater
Connected between system for pipeline, be once net water return pipeline between steam generator system and the evaporator of steam absorption heat pump, once net
Back water pump is returned positioned at secondary network water return pipeline, secondary network once on net water return pipeline, is provided with the steam absorption heat pump
Evaporator in waterpipe one end connection steam absorption heat pump, the other end lead to hot water user, have on secondary network water return pipeline
There is the pipeline of connection steam heater, the steam heater is provided with the secondary network water supply line for leading to hot water user, described
Evaporator, which leads to outside steam absorption heat pump, is respectively arranged with the first pipeline and second pipe, and the other end of first pipeline connects
Secondary network water return pipeline is connect, the other end of the second pipe connects once net steam line.
As further preferred solution, absorber and condenser in the steam absorption heat pump lead to vapor absorption
The 3rd pipeline and the 4th pipeline, one end connection absorber of the 3rd pipeline, other end connection are respectively arranged with outside formula heat pump
Secondary network water return pipeline, one end connection condenser of the 4th pipeline, other end connection secondary network water supply line.
As further preferred solution, the secondary network water return pipeline is divided into cryogenic piping and high-temperature pipe, described low
One end connection hot water user of warm pipeline, the other end connect absorber in steam absorption heat pump, one end of the high-temperature pipe
Connect the evaporator in steam absorption heat pump, other end connection steam absorption heat pump inner condenser.
As further preferred solution, condenser, the extraction condensing type steamer are provided with the once net water return pipeline
Turbine discharge pipeline is provided between machine and condenser, condensate pipe is additionally provided between the condenser and steam generator system
Road.
As further preferred solution, on the condenser to the once net water return pipeline between steam absorption heat pump
It is provided with water treatment system.
As further preferred solution, the steam pipe of connection steam user is additionally provided with the once net steam line
Road.
Compared with prior art, a kind of steam-water mixing central heating system of the utility model, has the following advantages：
1. can meet the needs of user is to hot water and steam different heat sources；
It 2. due to carrying out heat supply using steam, on the one hand can cancel the construction of first heat exchange station, reduce equipment investment, it is another
The conveying capacity of heat supply network can be significantly increased in aspect, reduce once net pipe diameter, reduce pipe network investment；
3. the thermal energy and pressure energy of steam can be made full use of using vapour, water hybrid mode in terminal thermal substation, reduce system
The power consumption of water pump in system operational process；It is aided with absorption type heat pump assembly, can fully recycles once net backwater heat, reduce back
Coolant-temperature gage, no insulation and thermal stress compensation problem, further reduce pipe network investment；
4. water can realize complete recycling more than secondary network caused by steam-water mixing, reduce the waste of water resource.
Brief description of the drawings
Fig. 1 is the schematic piping diagram of the utility model embodiment 1；
Fig. 2 is the schematic piping diagram of the utility model embodiment 2.
Wherein, 1- sucking condensing turbines, 2- steam heaters, 3- steam absorption heat pumps, 4- once net back water pumps, 5- water
Processing system, 6- condensers, 7- steam generator systems, 8- once net steam lines, 9- once net water return pipelines, 10- secondary network backwater
Pipeline, 11- secondary network water supply lines, the first pipelines of 12-, 13- second pipes, the 3rd pipelines of 14-, the 4th pipelines of 15-, 16- vapour
Turbine discharge pipeline, 17- condensing water conduits, 18- jet chimneys.
Embodiment
In order to illustrate the technical solution of the utility model and technical purpose, below in conjunction with the drawings and specific embodiments to this
Utility model is described further.Obviously, described embodiment is the part of the embodiment of the utility model, rather than entirely
The embodiment in portion.
A kind of steam-water mixing central heating system of the utility model, including sucking condensing turbine 1, steam heater 2, steaming
Vapour absorption heat pump 3, once net back water pump 4, steam generator system 7 and connecting pipe and annex composition, the steam absorption heat
There is generator, evaporator, absorber and condenser, which can meet that user is different with steam to hot water at the same time in pump 3
The demand of heat source.
Sucking condensing turbine 1 enters in condenser 6 from 16 steam discharge of turbine discharge pipeline to be heated in once net water return pipeline 9
Backwater, condensation water by condensing water conduit 17 return steam generator system 7 heat；The steam extracted out by sucking condensing turbine 1 is through one
Secondary net steam line 8 is to terminal thermal substation, and in terminal thermal substation, once net steam line 8 divides two-way, is mixed all the way into carbonated drink
Clutch 2 is directly mixed with the water at low temperature in secondary network water return pipeline 10, and another way enters steam absorption heat as driving heat source
The generator of pump 3, heats the lithium-bromide solution of concentration, is flowed out after cooling from generator through the first pipeline 12 and secondary network return pipe
Enter the evaporator of steam absorption heat pump 3 after water at low temperature mixing in road 10 as low level heat energy, enter one after heat release cooling
Secondary net water return pipeline 9, steam power plant is sent back to by once net back water pump 4.
In terminal thermal substation, the water at low temperature in secondary network water return pipeline 10 enters steam heater 2, with steam heater
The steam Hybrid Heating heating that once net steam line 8 conveys in 2, is then conveyed to hot water through secondary network water supply line 11 and uses
Family.
As can be seen that the system carries out heat supply using steam, compared with conventional hot water's heat supply, heat exchange on the one hand can be cancelled
The construction of initial station, reduces equipment investment；On the other hand the conveying capacity of heat supply network can be significantly increased, reduce a webmaster deferent
Footpath, reduces pipe network investment.In terminal thermal substation by the way of steam-water mixing is aided with absorption heat pump, supplied with traditional steam-water mixing
Heat is compared, and can fully recycle once net backwater heat, reduces return water temperature, furthermore, it is possible to realize since vapour, water mixing cause
Secondary network more than water recycle completely, reduce the waste of water resource.
Embodiment 1
As shown in Figure 1, the absorber and condenser in steam absorption heat pump 3 lead to outside steam absorption heat pump 3 respectively
It is provided with the 3rd pipeline 14 and the 4th pipeline 15, one end connection absorber of the 3rd pipeline 14, other end connection secondary network
Water return pipeline 10, one end connection condenser of the 4th pipeline 15, other end connection secondary network water supply line 11；
In terminal thermal substation, the water at low temperature in secondary network water return pipeline 10 enters vapor absorption also by the 3rd pipeline 14
The heat temperature raising of formula heat pump 3, then secondary network water supply line 11 is transported to by the 4th pipeline 15 and is supplied for hot water user.
Embodiment 2
As shown in Fig. 2, the trend of secondary network water return pipeline 10 is changed on the basis of embodiment 1, by secondary network backwater
Pipeline 10 divides to be inhaled for cryogenic piping and high-temperature pipe, one end connection hot water user of the cryogenic piping, other end connection steam
Absorber in receipts formula heat pump 3, one end of the high-temperature pipe connect the evaporator in steam absorption heat pump 3, other end connection
3 inner condenser of steam absorption heat pump.
In terminal thermal substation, the water at low temperature in secondary network water return pipeline 10 is first absorbed heat through steam absorption heat pump to heat up,
Again after 2 mixed heat transfer of steam heater, hot water user is conveyed to by secondary network water supply line 11, it can be seen that the present embodiment
There is identical feature and beneficial effect with embodiment 1.
Integrated embodiment 1,2, in the present system, once net water return pipeline 9 and secondary network water return pipeline 10 are inhaled by steam
The evaporator connection of receipts formula heat pump, the first pipeline 12 are connected with second pipe 13 by the generator of steam absorption heat pump.
In the present system, several terminal thermal substations can be set, and respectively with once net steam line 8 and once netting back
Waterpipe 9 connects, several terminal thermal substations are in parallel form.
Further, condenser 6, the sucking condensing turbine 1 and condenser are provided with the once net water return pipeline 9
Turbine discharge pipeline 16 is provided between 6, condensing water conduit 17 is additionally provided between the condenser 6 and steam generator system 7；Institute
State condenser 6 and the once net water return pipeline 9 between steam absorption heat pump 3 is provided with water treatment system 5, once net backwater
Backwater in pipeline 9 returns to steam generator system 7 after the purification of water treatment system 5 and condenser 6 preheat and heats, and outlet vapor enters solidifying
Vapour formula steam turbine 1 is completed entirely to circulate.
Further, the jet chimney 18 of connection steam user is additionally provided with the once net steam line 8.
Above content is only the preferable embodiment of the utility model, and industry technical staff is it should be appreciated that this reality
Be not restricted to the described embodiments with new, it is all on the premise of not departing from the spirit and scope of the utility model, the utility model
Also various modifications and variations, such modifications and variations are each fallen within the protection domain of the requires of the utility model.
Claims (6)
- A kind of 1. steam-water mixing central heating system, it is characterised in that：Including sucking condensing turbine（1）, steam heater（2）、 Steam absorption heat pump（3）, once net back water pump（4）And steam generator system（7）, the steam absorption heat pump（3）It is interior that there is hair Raw device, evaporator, absorber and condenser, the sucking condensing turbine（1）With steam heater（2）Between once net is set Steam line（8）, the sucking condensing turbine（1）With steam generator system（7）Between for pipeline connect, steam generator system（7）With steam Absorption heat pump（3）Evaporator between for once net water return pipeline（9）, once net back water pump（4）Positioned at once net return pipe Road（9）On, the steam absorption heat pump（3）On be provided with secondary network water return pipeline（10）, secondary network water return pipeline（10）One End connection steam absorption heat pump（3）Interior evaporator, the other end lead to hot water user, secondary network water return pipeline（10）On have Connect steam heater（2）Pipeline, the steam heater（2）It is provided with the secondary network water supply line for leading to hot water user （11）, the evaporator leads to steam absorption heat pump（3）It is respectively arranged with the first pipeline outside（12）And second pipe（13）, institute State the first pipeline（12）The other end connection secondary network water return pipeline（10）, the second pipe（13）The other end connection once Net steam line（8）.
- A kind of 2. steam-water mixing central heating system according to claim 1, it is characterised in that：The steam absorption heat Pump（3）Interior absorber and condenser leads to steam absorption heat pump（3）It is respectively arranged with the 3rd pipeline outside（14）With the 4th pipe Road（15）, the 3rd pipeline（14）One end connection absorber, the other end connection secondary network water return pipeline（10）, the described 4th Pipeline（15）One end connection condenser, the other end connection secondary network water supply line（11）.
- A kind of 3. steam-water mixing central heating system according to claim 1, it is characterised in that：The secondary network return pipe Road（10）It is divided into cryogenic piping and high-temperature pipe, one end connection hot water user of the cryogenic piping, other end connection steam is inhaled Receipts formula heat pump（3）Interior absorber, one end connection steam absorption heat pump of the high-temperature pipe（3）Interior evaporator, the other end Connect steam absorption heat pump（3）Inner condenser.
- A kind of 4. steam-water mixing central heating system according to claim 1 or 2 or 3, it is characterised in that：The once net Water return pipeline（9）On be provided with condenser（6）, the sucking condensing turbine（1）With condenser（6）Between be provided with steam turbine row Steam pipe road（16）, the condenser（6）With steam generator system（7）Between be additionally provided with condensing water conduit（17）.
- A kind of 5. steam-water mixing central heating system according to claim 4, it is characterised in that：The condenser（6）Extremely Steam absorption heat pump（3）Between once net water return pipeline（9）On be provided with water treatment system（5）.
- A kind of 6. steam-water mixing central heating system according to claim 1 or 2 or 3, it is characterised in that：The once net Steam line（8）On be additionally provided with connection steam user jet chimney（18）.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721190677.1U CN207230696U (en) | 2017-09-18 | 2017-09-18 | A kind of steam-water mixing central heating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721190677.1U CN207230696U (en) | 2017-09-18 | 2017-09-18 | A kind of steam-water mixing central heating system |
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| Publication Number | Publication Date |
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| CN207230696U true CN207230696U (en) | 2018-04-13 |
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| CN201721190677.1U Active CN207230696U (en) | 2017-09-18 | 2017-09-18 | A kind of steam-water mixing central heating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504548A (en) * | 2017-09-18 | 2017-12-22 | 江苏中圣管道工程技术有限公司 | A kind of steam-water mixing central heating system |
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2017
- 2017-09-18 CN CN201721190677.1U patent/CN207230696U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504548A (en) * | 2017-09-18 | 2017-12-22 | 江苏中圣管道工程技术有限公司 | A kind of steam-water mixing central heating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210625 Address after: 211112 no.2111 Chengxin Avenue, Science Park, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Jiangsu Zhongsheng clean energy Co.,Ltd. Address before: 211161 Feiying Road, Binjiang Economic Development Zone, Jiangning District, Nanjing City, Jiangsu Province Patentee before: JIANGSU SUNPOWER PIPING TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |