CN205593030U - Heat supply network circulating water system that multiple driving method jointly used - Google Patents
Heat supply network circulating water system that multiple driving method jointly used Download PDFInfo
- Publication number
- CN205593030U CN205593030U CN201620383179.8U CN201620383179U CN205593030U CN 205593030 U CN205593030 U CN 205593030U CN 201620383179 U CN201620383179 U CN 201620383179U CN 205593030 U CN205593030 U CN 205593030U
- Authority
- CN
- China
- Prior art keywords
- supply network
- heat supply
- circulating pump
- heat
- water circulating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model relates to a heat supply network circulating water system that multiple driving method jointly used sets up 50% capacity steam -operating circulation pump of heat -supply network of a heat supply network circulation water yield, and this circulating water pump adopts back pressure type small steam turbine to pull, and small steam turbine vapour source adopts heating to draw gas, sets up the back pressure type small steam turbine condenser. Set up the electronic frequency conversion circulation pump of heat -supply network of one 50% electronic power frequency circulation pump of heat -supply network of capacity and one 50% capacity simultaneously. During the heat supply, the steam -operating circulation pump of heat -supply network oepration at full load of 50% capacity according to the electric circulating water pump of heat supply network frequency conversion 50% capacity for the circulating water flow, reaches energy saving and consumption reduction's purpose.
Description
Technical field
This utility model relates to the heat supply network circulation of one kind of multiple type of drive use in conjunction.
Background technology
In China's cold area, algid stage in winter, is longer, for reaching to save energy and reduce the cost, safety and environmental protection
Purpose, the region many employings cogeneration units central heating of China's severe cold.Cogeneration units
Many employing heating are drawn gas after heating one secondary net heat supply network recirculated water, utilize circulation pump of heat-supply network by heat supply network
Recirculated water is supplied to each heat exchange station in city, returns to heat after carrying out abundant heat exchange with secondary heat supply network
Enterprise is produced in Electricity Federation.Therefore, during whole heat supply network recirculated water cycle heat exchange, heat supply network circulates
The vital key role of starting mode of pump.For the cogeneration of heat and power enterprise bigger for thermal region,
Need to arrange multiple stage circulation pump of heat-supply network, increase heat at any time according to the actual flow of heat supply network recirculated water
The number of units that net water circulating pump starts.Substantial amounts of electronic circulation pump of heat-supply network consumes greatly at work
The station service of amount, therefore the economy design of circulation pump of heat-supply network is very important.
Because above-mentioned defect, the design people, the most in addition research and innovation, to founding one
Plant the heat supply network circulation of multiple type of drive use in conjunction so that it is have more the profit in industry
By value.
Utility model content
For solving above-mentioned technical problem, the purpose of this utility model be to provide a kind of rational in infrastructure,
The heat supply network circulation of energy-saving and cost-reducing multiple type of drive use in conjunction.
The heat supply network circulation of this utility model multiple type of drive use in conjunction, including: high
Cylinder pressure, intermediate pressure cylinder, low pressure (LP) cylinder and electromotor, the steam-operating water circulating pump being arranged in parallel, electronic
Frequency conversion water circulating pump and heat exchangers for district heating, the air vent of medium pressure cylinder is by air-pressure duct even
Receiving the air inlet of low pressure (LP) cylinder, described air-pressure duct is provided with mesolow cylinder communicating pipe valve, institute
State intermediate pressure cylinder and connect steam-operating water circulating pump, heat exchangers for district heating respectively, a heat supply network return water system
Heat supply network backwater inputs to heat exchangers for district heating respectively via steam-operating water circulating pump, electric frequency conversion recirculated water
Pump, output is to a heat supply network water system；
In the heat supply phase, steam-operating water circulating pump oepration at full load, according to heat supply network circulating water flow frequency conversion
Regulation regulation electric frequency conversion water circulating pump, reaches heat supply network recirculated water flowing full amount.
Further, also include being arranged in parallel with steam-operating water circulating pump, electric frequency conversion water circulating pump
Electronic power frequency water circulating pump.
Further, described steam-operating water circulating pump connects condenser.
Further, also include that the heat supply network that described heat exchangers for district heating is connected by drain water piping heats
Device drain trap.
Further, described steam-operating water circulating pump is 50% capacity steam-operating water circulating pump, described electricity
Dynamic frequency conversion water circulating pump is 50% capacity electric frequency conversion water circulating pump, described electronic power frequency recirculated water
Pump is 50% capacity electric power frequency water circulating pump.
Further, described mesolow cylinder communicating pipe valve is electric butterfly valve.
By such scheme, the heat supply network recirculated water of this utility model multiple type of drive use in conjunction
System at least has the advantage that
1, one back pressure type small turbine is set and drags circulation pump of heat-supply network, substitute former 50%
The electronic circulation pump of heat-supply network of capacity, saves a large amount of station service, increases cogeneration of heat and power business economic
Benefit.
2, draw gas, for small turbine from the heating of corresponding unit in back pressure type small turbine vapour source
Steam discharge arranges single condenser.
3, during heat supply, during heat supply, the steam drive circulation pump of heat-supply network of 50% capacity
Oepration at full load, circulates according to the heat supply network circulating water flow electric drive of variable frequency adjustment 50% capacity
Water pump, reaches energy-saving and cost-reducing purpose.
4, the electric drive power frequency circulation pump of heat-supply network arranging 50% capacity can be in steam drive
The emergency use when that pump breaking down, it is ensured that the safety of heat supply network circulation.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand
Technological means of the present utility model, and can be practiced according to the content of description, below with this
The preferred embodiment of utility model and coordinate accompanying drawing describe in detail as after.
Accompanying drawing explanation
Fig. 1 is the heat supply network circulation of this utility model multiple type of drive use in conjunction
Structural representation；
High pressure cylinder 1, intermediate pressure cylinder 2, low pressure (LP) cylinder 3, electromotor 4, steam-operating water circulating pump 5, in
Low pressure (LP) cylinder communicating pipe valve 7, steam-operating water circulating pump 8, heat exchangers for district heating 9, condenser 10,
Heat exchangers for district heating drain trap 11, electric frequency conversion water circulating pump 12, electronic power frequency water circulating pump 13.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is made further
Describe in detail.Following example are used for illustrating this utility model, but it is new to be not limited to this practicality
The scope of type.
Embodiment 1
As it is shown in figure 1, the heat supply network circulation of the present embodiment multiple type of drive use in conjunction,
Including: high pressure cylinder 1, intermediate pressure cylinder 2, low pressure (LP) cylinder 3 and electromotor 4, the vapour being arranged in parallel
Dynamic water circulating pump 8, electric frequency conversion water circulating pump 12 and heat exchangers for district heating 9, medium pressure cylinder
Air vent be connected to the air inlet of low pressure (LP) cylinder by air-pressure duct, described air-pressure duct is provided with
Mesolow cylinder communicating pipe valve 7, medium pressure cylinder connects steam-operating water circulating pump respectively, heat supply network adds
Hot device, the heat supply network backwater of a heat supply network return water system inputs to heat exchangers for district heating respectively via steam-operating
Water circulating pump, electric frequency conversion water circulating pump, output is to a heat supply network water system.
In the heat supply phase, steam-operating water circulating pump oepration at full load, according to heat supply network circulating water flow frequency conversion
Regulation regulation electric frequency conversion water circulating pump, reaches heat supply network recirculated water flowing full amount.
In the present embodiment, described steam-operating water circulating pump connects condenser 10.The little steamer of back pressure type
The vapour source of machine, from high row's steam of main frame, matches back pressure type small steam turbine exhaust steam parameter and drains into
Main frame heating extraction line.
The present embodiment drives heat supply network recirculated water by arranging heat supply network quantity of circulating water 50% capacity steam
Pump, replaces original electric drive circulation pump of heat-supply network, reaches to save the purpose of a large amount of station service,
Increase electricity volume, increase economic benefit for cogeneration of heat and power enterprise.The New Cycle water pump arranged
Using back pressure type small turbine to drag, back pressure type small turbine vapour source uses main frame heating to draw gas,
Steam discharge for small turbine arranges single condenser.One 50% capacity electric drive is set simultaneously
The electric drive frequency conversion circulation pump of heat-supply network of power frequency circulation pump of heat-supply network and 50% capacity.Supplying
During heat, the steam drive circulation pump of heat-supply network oepration at full load of 50% capacity, follows according to heat supply network
The ring discharge electric drive water circulating pump of variable frequency adjustment 50% capacity, reaches energy-saving and cost-reducing mesh
's.The electric drive power frequency circulation pump of heat-supply network of 50% capacity can be pneumatic pump breaks down when
Emergency use, it is ensured that the safety of heat supply network circulation.
Embodiment 2
The heat supply network circulation of the present embodiment multiple type of drive use in conjunction, in embodiment 1
On the basis of, also include electronic with what steam-operating water circulating pump, electric frequency conversion water circulating pump were arranged in parallel
Power frequency water circulating pump 13.Can steam-operating water circulating pump breaks down when emergency use, protect
The safety of card heat supply network circulation.
In the various embodiments described above, also include the heat that described heat exchangers for district heating is connected by drain water piping
Net heater condensate tank 11.
In the various embodiments described above, described mesolow cylinder communicating pipe valve be electric butterfly valve.
The above is only preferred implementation of the present utility model, is not limited to this practicality
Novel, it is noted that for those skilled in the art, without departing from this
On the premise of utility model know-why, it is also possible to make some improvement and modification, these improve
Also protection domain of the present utility model is should be regarded as with modification.
Claims (6)
1. the heat supply network circulation of one kind of multiple type of drive use in conjunction, it is characterised in that
Including: high pressure cylinder, intermediate pressure cylinder, low pressure (LP) cylinder and electromotor, the steam-operating recirculated water being arranged in parallel
Pump, electric frequency conversion water circulating pump and heat exchangers for district heating, the air vent of medium pressure cylinder passes through gas
Pressure pipeline is connected to the air inlet of low pressure (LP) cylinder, and described air-pressure duct is provided with mesolow cylinder communicating pipe
Valve, medium pressure cylinder connects steam-operating water circulating pump, heat exchangers for district heating respectively, and one time heat supply network returns
The heat supply network backwater of water system inputs to heat exchangers for district heating respectively via steam-operating water circulating pump, electronic change
Frequently water circulating pump, output is to a heat supply network water system；
In the heat supply phase, steam-operating water circulating pump oepration at full load, according to heat supply network circulating water flow frequency conversion
Regulation regulation electric frequency conversion water circulating pump, reaches heat supply network recirculated water flowing full amount.
The heat supply network recirculated water of multiple type of drive use in conjunction the most according to claim 1
System, it is characterised in that also include in parallel with steam-operating water circulating pump, electric frequency conversion water circulating pump
The electronic power frequency water circulating pump arranged.
The heat supply network recirculated water of multiple type of drive use in conjunction the most according to claim 1
System, it is characterised in that described steam-operating water circulating pump connects condenser.
The heat supply network recirculated water of multiple type of drive use in conjunction the most according to claim 1
System, it is characterised in that also include the heat supply network that described heat exchangers for district heating is connected by drain water piping
Heater condensate tank.
The heat supply network recirculated water of multiple type of drive use in conjunction the most according to claim 2
System, it is characterised in that described steam-operating water circulating pump is 50% capacity steam-operating water circulating pump, institute
Stating electric frequency conversion water circulating pump is 50% capacity electric frequency conversion water circulating pump, and described electronic power frequency is followed
Ring water pump is 50% capacity electric power frequency water circulating pump.
The heat supply network recirculated water of multiple type of drive use in conjunction the most according to claim 1
System, it is characterised in that described mesolow cylinder communicating pipe valve be electric butterfly valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620383179.8U CN205593030U (en) | 2016-04-29 | 2016-04-29 | Heat supply network circulating water system that multiple driving method jointly used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620383179.8U CN205593030U (en) | 2016-04-29 | 2016-04-29 | Heat supply network circulating water system that multiple driving method jointly used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205593030U true CN205593030U (en) | 2016-09-21 |
Family
ID=56932610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620383179.8U Expired - Fee Related CN205593030U (en) | 2016-04-29 | 2016-04-29 | Heat supply network circulating water system that multiple driving method jointly used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205593030U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757760A (en) * | 2016-04-29 | 2016-07-13 | 大唐东北电力试验研究所有限公司 | Heat supply network circulating water system applied in various combined driving modes |
-
2016
- 2016-04-29 CN CN201620383179.8U patent/CN205593030U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757760A (en) * | 2016-04-29 | 2016-07-13 | 大唐东北电力试验研究所有限公司 | Heat supply network circulating water system applied in various combined driving modes |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202768089U (en) | Steam exhaust recycling system of steam feed pump | |
| CN104121047A (en) | Thermal power plant heat supply and steam extraction overbottom pressure utilization system with back pressure turbine | |
| CN202417632U (en) | Energy-recovery steam turbine electricity generating and drive compressor sets sharing auxiliary machine system | |
| CN203146044U (en) | Dead steam heat recycle equipment of air cooling turbine | |
| CN105783082A (en) | Energy-saving heating network circulating water system | |
| CN104807245A (en) | Low-temperature afterheat using system and afterheat using method | |
| CN103423591B (en) | A kind of distributed energy utilization system for natural gas filling station and method | |
| CN204612228U (en) | A kind of low temperature heat system | |
| CN203477891U (en) | Distributed energy comprehensive utilization system for natural gas station | |
| CN202769778U (en) | Heat supply system for recovering open type circulation water waste heat of power plant | |
| CN102721094A (en) | Heating system for recycling waste heat of open circulating water in power plant | |
| CN105757760A (en) | Heat supply network circulating water system applied in various combined driving modes | |
| CN203478400U (en) | Energy-saving heat supply system for improving low-grade steam heat energy utilization efficiency | |
| CN203745866U (en) | Thermal power plant circulating water system | |
| CN205593030U (en) | Heat supply network circulating water system that multiple driving method jointly used | |
| CN205400830U (en) | 300MW grade fire coal is taken out combined heat and power units restriction steam extraction improvement heat supply with fixed attention and is compared system | |
| CN205748020U (en) | Utilize the air cooling high back pressure heating system of subsidiary engine circulating water afterheat | |
| CN204987576U (en) | Energy -conserving transmission and distribution system of hierarchical formula self -loopa water resource heat pump regional energy | |
| CN205593031U (en) | Energy -saving heat supply network circulating water system | |
| CN203489341U (en) | Superlarge temperature difference heat supply network waste heat heating system combined with low-vacuum injection type heat pump | |
| CN203628786U (en) | High-backpressure heat supply serially connected two-stage heating system | |
| CN206377728U (en) | One kind is drawn gas combining heating system using cooling water heat Direct Air-Cooled high back pressure | |
| CN103438492A (en) | Low-vacuum absorption-type composite heat pump residual heat supply system based on ultra-great-temperature-difference heat supply network | |
| CN109798573A (en) | A kind of multicomputer step heating system based on increasing steam turbine | |
| CN105698241B (en) | A kind of method of 150MW high back pressures thermal power plant unit circulation pump of heat-supply network operation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 3195, Jilin high tech Zone Wei Shan Road, Changchun, Jilin Patentee after: Datang northeast electric power test and Research Institute Co., Ltd. Address before: No. 3195, Jilin high tech Zone Wei Shan Road, Changchun, Jilin Patentee before: DATANG NORTHEAST ELECTRIC POWER TEST RESEARCH INSTITUTE CO., LTD. |
|
| 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: 20160921 Termination date: 20200429 |