CN205593031U - Energy -saving heat supply network circulating water system - Google Patents
Energy -saving heat supply network circulating water system Download PDFInfo
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- CN205593031U CN205593031U CN201620383224.XU CN201620383224U CN205593031U CN 205593031 U CN205593031 U CN 205593031U CN 201620383224 U CN201620383224 U CN 201620383224U CN 205593031 U CN205593031 U CN 205593031U
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- supply network
- circulating pump
- heat supply
- water circulating
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Abstract
The utility model relates to an energy -saving heat supply network circulating water system 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 the high pressure cylinder steam extraction is adopted in small steam turbine vapour source, and back pressure type small steam turbine steam extraction to heating is drawn gas. 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. The electronic power frequency circulation pump of heat -supply network of 50% capacity can be promptly reserve when the pneumatic pump breaks down, guarantees heat supply network circulating water system's safety.
Description
Technical field
This utility model relates to a kind of energy-saving heat supply network circulation.
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 energy-saving heat supply network circulation so that it is have more the value in industry.
Utility model content
For solving above-mentioned technical problem, the purpose of this utility model be to provide a kind of rational in infrastructure,
Energy-saving and cost-reducing energy-saving heat supply network circulation.
This utility model energy-saving heat supply network circulation, including: high pressure cylinder, intermediate pressure cylinder, low
Cylinder pressure and electromotor, the rotor of high pressure cylinder, the rotor of intermediate pressure cylinder, the rotor of low pressure (LP) cylinder and
Generator amature is coaxially disposed, the steam-operating water circulating pump that also include heater, is arranged in parallel, electricity
Dynamic frequency conversion water circulating pump, described high pressure cylinder connects steam-operating water circulating pump by drive shaft, described in
The air vent of cylinder pressure is connected to the air inlet of heat exchangers for district heating, described heat exchangers for district heating by pipeline
Connecting steam-operating water circulating pump, electric frequency conversion water circulating pump respectively, steam-operating water circulating pump connects heat supply network
Heater, the heat supply network backwater of a heat supply network return water system inputs to heat exchangers for district heating respectively via vapour
Dynamic 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.
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, 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.
By such scheme, this utility model energy-saving heat supply network circulation at least has following
Advantage:
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, back pressure type small turbine vapour source is from the high pressure steam discharge of corresponding unit, matches little vapour
Turbine discharge parameter is to main frame heating extraction line.
3, during heat supply, during heat supply, the steam-operating water circulating pump of 50% capacity is at full capacity
Run, according to the heat supply network circulating water flow electric water circulating pump of variable frequency adjustment 50% capacity, reach
To energy-saving and cost-reducing purpose.
4, the electronic power frequency water circulating pump arranging 50% capacity can pump out at steam-operating recirculated water
The emergency use when of existing fault, 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 structural representation of this utility model energy-saving heat supply network circulation；
High pressure cylinder 1, intermediate pressure cylinder 2, low pressure (LP) cylinder 3, electromotor 4, steam-operating water circulating pump 5, electricity
Dynamic frequency conversion water circulating pump 6, electronic power frequency water circulating pump 7, heat exchangers for district heating 8, heat supply network heats
Device drain trap 9.
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 present embodiment energy-saving heat supply network circulation, including: high pressure cylinder 1,
Intermediate pressure cylinder 2, low pressure (LP) cylinder 3 and electromotor 4, the rotor of high pressure cylinder, the rotor of intermediate pressure cylinder,
Rotor and the generator amature of low pressure (LP) cylinder are coaxially disposed, and also include heater 8, be arranged in parallel
Steam-operating water circulating pump 5, electric frequency conversion water circulating pump 6, described high pressure cylinder is by drive shaft even
Connecing steam-operating water circulating pump, the air vent of medium pressure cylinder is connected to heat exchangers for district heating by pipeline
Air inlet, described heat exchangers for district heating connects steam-operating water circulating pump, electric frequency conversion water circulating pump respectively,
Steam-operating water circulating pump connects heat exchangers for district heating, and the heat supply network backwater of a heat supply network return water system inputs extremely
Heat exchangers for district heating is respectively via steam-operating water circulating pump, electric frequency conversion water circulating pump, and output is to once
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, reaches energy-saving and cost-reducing
Purpose.
The present embodiment, by arranging heat supply network quantity of circulating water 50% capacity steam-operating water circulating pump, carrys out generation
For original electronic circulation pump of heat-supply network, reach to save the purpose of a large amount of station service, increase online
Electricity, increases economic benefit for cogeneration of heat and power enterprise.The New Cycle water pump arranged uses back pressure
Formula small turbine drags, and back pressure type small turbine vapour source uses high pressure cylinder steam discharge, matches little vapour
The steam discharge parameter of turbine is to heating extraction line.One 50% capacity electric power frequency heat is set simultaneously
The electric frequency conversion water circulating pump of net water circulating pump and 50% capacity.During heat supply, 50%
The steam-operating water circulating pump oepration at full load of capacity, according to heat supply network circulating water flow variable frequency adjustment
The electric water circulating pump of 50% capacity, reaches energy-saving and cost-reducing purpose.
Embodiment 2
The present embodiment energy-saving heat supply network circulation, on the basis of embodiment 1, also include with
The electronic power frequency water circulating pump 7 that steam-operating water circulating pump, electric frequency conversion water circulating pump are arranged in parallel.
Can steam-operating water circulating pump breaks down when emergency use, it is ensured that heat supply network circulation
Safety.
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 9.
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 (4)
1. an energy-saving heat supply network circulation, it is characterised in that including: high pressure cylinder,
Intermediate pressure cylinder, low pressure (LP) cylinder and electromotor, the rotor of high pressure cylinder, the rotor of intermediate pressure cylinder, low pressure (LP) cylinder
Rotor and generator amature be coaxially disposed, the steam-operating also include heater, being arranged in parallel is followed
Ring water pump, electric frequency conversion water circulating pump, described high pressure cylinder connects steam-operating recirculated water by drive shaft
Pump, the air vent of medium pressure cylinder is connected to the air inlet of heat exchangers for district heating by pipeline, described
Heat exchangers for district heating connects steam-operating water circulating pump, electric frequency conversion water circulating pump, steam-operating recirculated water respectively
Pump connects heat exchangers for district heating, and 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, export to a heat supply network for water system
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.
Energy-saving heat supply network circulation the most according to claim 1, it is characterised in that
Also include the electronic power frequency circulation being arranged in parallel with steam-operating water circulating pump, electric frequency conversion water circulating pump
Water pump.
Energy-saving heat supply network circulation the most according to claim 1, it is characterised in that
Also include the heat exchangers for district heating drain trap that described heat exchangers for district heating is connected by drain water piping.
Energy-saving heat supply network circulation the most according to claim 2, it is characterised in that
Described steam-operating water circulating pump is 50% capacity steam-operating water circulating pump, described electric frequency conversion water circulating pump
Being 50% capacity electric frequency conversion water circulating pump, described electronic power frequency water circulating pump is 50% capacity electricity
Start building frequency water circulating pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620383224.XU CN205593031U (en) | 2016-04-29 | 2016-04-29 | Energy -saving heat supply network circulating water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620383224.XU CN205593031U (en) | 2016-04-29 | 2016-04-29 | Energy -saving heat supply network circulating water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205593031U true CN205593031U (en) | 2016-09-21 |
Family
ID=56933425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620383224.XU Expired - Fee Related CN205593031U (en) | 2016-04-29 | 2016-04-29 | Energy -saving heat supply network circulating water system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205593031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783082A (en) * | 2016-04-29 | 2016-07-20 | 大唐东北电力试验研究所有限公司 | Energy-saving heating network circulating water system |
-
2016
- 2016-04-29 CN CN201620383224.XU patent/CN205593031U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105783082A (en) * | 2016-04-29 | 2016-07-20 | 大唐东北电力试验研究所有限公司 | Energy-saving heating network circulating water system |
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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 |
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. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 Termination date: 20190429 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |