CN104791879B - A kind of long-range systemic circulation graded supply system - Google Patents
A kind of long-range systemic circulation graded supply system Download PDFInfo
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- CN104791879B CN104791879B CN201510153878.3A CN201510153878A CN104791879B CN 104791879 B CN104791879 B CN 104791879B CN 201510153878 A CN201510153878 A CN 201510153878A CN 104791879 B CN104791879 B CN 104791879B
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Abstract
The present invention relates to a kind of long-range systemic circulation graded supply system, including residual heat of electric power plant center heat exchange station, residual heat of electric power plant center heat exchange station connection one-level heat supply pipeline, one-level water return pipeline is provided with by one-level heat supply pipeline, one-level water return pipeline is connected with two grades of heat supply pipelines, provided with two grades of water return pipelines by two grades of heat supply pipelines, two grades of water return pipelines are connected with three-level heat supply pipeline, three-level water return pipeline is provided with by three-level heat supply pipeline, three-level heat supply pipeline is connected with some grades of thermal source units in turn, one-level heat supply pipeline, the caliber of two grades of heat supply pipelines and three-level heat supply pipeline is uniformly reduced by head end to end, one-level water return pipeline, the caliber of two grades of water return pipelines and three-level water return pipeline is uniformly increased by head end to end.The beneficial effects of the invention are as follows：Thermal source can long distance delivery, covering area of heat-supply service is big, can abandon the use of many middle and small burn coal boilers, reduce the pollution of middle and small burn coal boiler, it is ensured that the heating quality of Residents.
Description
（One）Technical field
The invention belongs to carry out heat supply process field, more particularly to a kind of long-range systemic circulation graded supply using residual heat of electric power plant
System.
（Two）Background technology
With hot fluid（Such as hot water）Sensible heat in the heating system of thermic load mode of movement, it is necessary to repeatedly exchanged heat,
Need to be exchanged heat using multiple coal-burning boilers in system, waste of resource is seriously polluted；It is comprehensive from heat energy and return water temperature is higher
Conjunction sees that the presence of the smaller temperature difference is irrational using angle；Can not carry out long distance delivery heat, the area of heat-supply service of covering compared with
It is small, greatly waste the energy and labour cost.
（Three）The content of the invention
There is provided a kind of energy utilization rate is high, reduction is polluted, heat supply covering in order to make up the deficiencies in the prior art by the present invention
The big long-range systemic circulation graded supply system of area.
The present invention is achieved through the following technical solutions：
A kind of long-range systemic circulation graded supply system, including residual heat of electric power plant center heat exchange station, it is characterized in that：More than the power plant
One-level water return pipeline, the connection of one-level water return pipeline are provided with by thermal center (-tre) heat exchange station connection one-level heat supply pipeline, one-level heat supply pipeline
Have and be connected with three-level heat supply pipeline provided with two grades of water return pipelines, two grades of water return pipelines by two grades of heat supply pipelines, two grades of heat supply pipelines,
Three-level water return pipeline is provided with by three-level heat supply pipeline, three-level water return pipeline end is connected with residual heat of electric power plant center heat exchange station, three-level
Heat supply pipeline is connected with some grades of thermal source units, the pipe of one-level heat supply pipeline, two grades of heat supply pipelines and three-level heat supply pipeline in turn
Footpath is uniformly reduced by head end to end, and the caliber of one-level water return pipeline, two grades of water return pipelines and three-level water return pipeline is respectively by head
Hold to end uniformly increase to it is identical with the head end caliber of two grades of heat supply pipelines, three-level heat supply pipeline and one-level heat supply pipeline.
The one-level heat supply pipeline end and two grades of heat supply pipeline head ends and two grades of heat supply pipeline ends and three-level heating tube
Connected between road head end by regulating valve.
The three-level heat supply pipeline is sequentially connected provided with Pyatyi thermal source unit.
The caliber of the one-level heat supply pipeline, two grades of heat supply pipelines and three-level heat supply pipeline is uniformly subtracted by the 1200mm of head end
The as low as 200mm of end.
The caliber of the one-level water return pipeline, two grades of water return pipelines and three-level water return pipeline is uniformly increased by the 200mm of head end
The big 1200mm to end.
Connect respectively between the one-level water return pipeline and two grades of heat supply pipelines and two grades of water return pipelines and three-level heat supply pipeline
It is equipped with force (forcing) pump.
Between the one-level heat supply pipeline and one-level water return pipeline, between two grades of heat supply pipelines and two grades of water return pipelines, three
Some user's circulating water heating pipelines, user's circulating water heating are connected with respectively between level heat supply pipeline and three-level water return pipeline
Pipeline is connected with plate type heat exchanger.
The beneficial effects of the invention are as follows：Thermal source can long distance delivery, covering area of heat-supply service is big, can abandon many middle-size and small-size combustions
The use of coal burning boiler；Thermal losses is low, thermal source quick heating, ensure that thermal source flow velocity, energy utilization rate are high, reduce middle-size and small-size fire coal
The pollution of boiler, the pipe network based on existing market, it is possible to increase four to five times of heating effect, substantially increase thermal source benefit, protect
The heating quality of Residents is demonstrate,proved.
（Four）Brief description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings.
Accompanying drawing 1 is the structural representation of the present invention；
In figure, 1 residual heat of electric power plant center heat exchange station, 2 one-level heat supply pipelines, 3 one-level water return pipelines, 4 two grades of heat supply pipelines, 5
Two grades of water return pipelines, 6 three-level heat supply pipelines, 7 three-level water return pipelines, 8 thermal source units, 9 regulating valves, 10 force (forcing) pumps, 11 users follow
Ring water heat supply pipeline, 12 plate type heat exchangers.
（Five）Embodiment
Accompanying drawing is a kind of specific embodiment of the invention.The embodiment includes residual heat of electric power plant center heat exchange station 1, residual heat of electric power plant
The connection one-level of center heat exchange station 1 heat supply pipeline 2, the side of one-level heat supply pipeline 2 is provided with one-level water return pipeline 3, and one-level water return pipeline 3 connects
Two grades of heat supply pipelines 4 are connected to, two grades of sides of heat supply pipeline 4 are provided with two grades of water return pipelines 5, and two grades of water return pipelines 5 are connected with three-level confession
Hot channel 6, the side of three-level heat supply pipeline 6 is provided with three-level water return pipeline 7, and the end of three-level water return pipeline 7 exchanges heat with residual heat of electric power plant center
Stand 1 connection, three-level heat supply pipeline 6 is connected with some grades of thermal source units 8, one-level heat supply pipeline 2, two grades of and of heat supply pipeline 4 in turn
The caliber of three-level heat supply pipeline 6 is uniformly reduced by head end to end, one-level water return pipeline 3, two grades of water return pipelines 5 and three-level backwater
The caliber of pipeline 7 is uniformly increased to and two grades of heat supply pipelines 4, three-level heat supply pipeline 6 and one-level heat supply by head end to end respectively
The head end caliber of pipeline 2 is identical.The end of one-level heat supply pipeline 2 and two grades of head ends of heat supply pipeline 4 and two grades of ends of heat supply pipeline 4 with
Connected between the head end of three-level heat supply pipeline 6 by regulating valve 9.Three-level heat supply pipeline 6 is sequentially connected provided with Pyatyi thermal source unit 8.
The caliber of one-level heat supply pipeline 2, two grades of heat supply pipelines 4 and three-level heat supply pipeline 6 is uniformly decreased to end by the 1200mm of head end
200mm.The caliber of one-level water return pipeline 3, two grades of water return pipelines 5 and three-level water return pipeline 7 is uniformly increased by the 200mm of head end
To the 1200mm of end.Between one-level water return pipeline 3 and two grades of heat supply pipelines 4 and two grades of water return pipelines 5 and three-level heat supply pipeline 6
Force (forcing) pump 10 is connected with respectively.Between one-level heat supply pipeline 2 and one-level water return pipeline 3, two grades of heat supply pipelines 4 and two grades of backwater
Some user's circulating water heating pipelines are connected with respectively between pipeline 5, between three-level heat supply pipeline 6 and three-level water return pipeline 7
11, user's circulating water heating pipeline 11 is connected with plate type heat exchanger 12.
The high temperature come out using a kind of long-range systemic circulation graded supply system of the present invention, residual heat of electric power plant center heat exchange station 1
Water enters one-level heat supply pipeline 2, and the caliber of one-level heat supply pipeline 2 is uniformly gradually reduced to the 200mm of end by 1200mm, it is ensured that
The pressure and flow velocity of thermal source, can long distance delivery thermal source；Water in residual heat of electric power plant center heat exchange station 1 by 90 DEG C of rows to end when drop
For 70 DEG C, the high-temperature water that one-level water return pipeline 3 comes out enters two grades of heat supply pipelines 4, and the caliber of two grades of heat supply pipelines 3 is by 1200mm
The uniform 200mm for gradually reducing to end, ensure again that the pressure and flow velocity of thermal source, can long distance delivery thermal source；Two grades of backwater
The thermal source that pipeline 5 comes out has been reduced to 40 DEG C~50 DEG C, into three-level heat supply pipeline 6, and the thermal source in three-level heat supply pipeline 6 is flowing
During sequentially pass through Pyatyi thermal source unit 8 and activate, 60 DEG C of heat supply temperature is respectively reached, after Pyatyi thermal source unit 8
Thermal source has been reduced to 10 DEG C or so, can not activate heating by thermal source unit 8 again, backwater to power plant, three-level heat supply pipeline 6
Caliber is uniformly gradually reduced to the 200mm of end by 1200mm, and another ensure that the flow velocity and pressure of thermal source, further increase
Convey the distance of thermal source；So, the residual heat high-temperature water in a power plant can ensure the heat demand of extra long distance, can cover more
Several ten million square metres of area of heat-supply service is covered, so coal-burning boiler on heat supply path can be abandoned, greatly save the energy, subtract
Small environmental pollution.Between one-level heat supply pipeline 2 and one-level water return pipeline 3, two grades of heat supply pipelines 4 and two grades of water return pipelines 5 it
Between, the circulation heating pipe that constitutes of user's circulating water heating pipeline 11 in parallel between three-level heat supply pipeline 6 and three-level water return pipeline 7
Road can be respectively used to the heat demand of user.The caliber of one-level water return pipeline 3, two grades of water return pipelines 5 and three-level water return pipeline 7 point
1200mm is not increased to by the 200mm of head end, make its respectively with two grades of heat supply pipelines 4, three-level heat supply pipeline 6 and one-level heating tube
The head end caliber in road 2 is identical and synchronously docks.Between one-level water return pipeline 3 and two grades of heat supply pipelines 4 and two grades of water return pipelines 5 with
Force (forcing) pump 10 is connected between three-level heat supply pipeline 6 respectively, it is ensured that water and heat provision pressure differential pressure flow is constant, further for
Long distance delivery thermal source, which is provided, to be ensured.The caliber of one-level heat supply pipeline 2, two grades of heat supply pipelines 4 and three-level heat supply pipeline 6 is by head
The 1200mm at end is uniformly decreased to the 200mm of end；One-level water return pipeline 3, two grades of water return pipelines 5 and three-level water return pipeline 7
Caliber is uniformly increased to the 1200mm of end by the 200mm of head end；Its size can be changed according to burden requirement, to adapt to difference
Heat supply distance and area.Thermal source unit 8 reactivates the water of less than 50 DEG C of heating, and the heat energy loss of every grade of thermal source unit 8 is 8
DEG C or so, less than 10 DEG C of water can not activate heating by thermal source unit 8 again, it is therefore desirable to Pyatyi thermal source unit 8.
Using a kind of long-range systemic circulation graded supply system of the present invention, this heating pipe network technique is intake with returning using heat supply
Water is combined, and can reach Pyatyi to six grades of heat supplies, three-level heat supply pipeline 6 can connect level Four, Pyatyi, six grades of heat supplies, its structure below
Form and heating parameter are identical with three-level heat supply pipeline 6.
Claims (6)
1. a kind of long-range systemic circulation graded supply system, including residual heat of electric power plant center heat exchange station（1）, it is characterized in that：The power plant
Waste heat center heat exchange station（1）Connect one-level heat supply pipeline（2）, one-level heat supply pipeline（2）Side is provided with one-level water return pipeline（3）, one
Level water return pipeline（3）It is connected with two grades of heat supply pipelines（4）, two grades of heat supply pipelines（4）Side is provided with two grades of water return pipelines（5）, two grades
Water return pipeline（5）It is connected with three-level heat supply pipeline（6）, three-level heat supply pipeline（6）Side is provided with three-level water return pipeline（7）, three-level time
Waterpipe（7）End and residual heat of electric power plant center heat exchange station（1）Connection, three-level heat supply pipeline（6）It is connected with some grades of thermals source in turn
Unit（8）, one-level heat supply pipeline（2）, two grades of heat supply pipelines（4）With three-level heat supply pipeline（6）Caliber it is equal to end by head end
It is even to reduce, one-level water return pipeline（3）, two grades of water return pipelines（5）With three-level water return pipeline（7）Caliber respectively by head end to end
Uniformly increase to and two grades of heat supply pipelines（4）, three-level heat supply pipeline（6）With one-level heat supply pipeline（2）Head end caliber it is identical；One
Level water return pipeline（3）With two grades of heat supply pipelines（4）And two grades of water return pipelines（5）With three-level heat supply pipeline（6）Between connect respectively
Provided with force (forcing) pump（10）.
2. a kind of long-range systemic circulation graded supply system according to claim 1, it is characterized in that：The one-level heat supply pipeline
（2）End and two grades of heat supply pipelines（4）Head end and two grades of heat supply pipelines（4）End and three-level heat supply pipeline（6）Lead between head end
Overregulate valve（9）Connection.
3. a kind of long-range systemic circulation graded supply system according to claim 1, it is characterized in that：The three-level heat supply pipeline
（6）It is sequentially connected provided with Pyatyi thermal source unit（8）.
4. a kind of long-range systemic circulation graded supply system according to claim 1, it is characterized in that：The one-level heat supply pipeline
（2）, two grades of heat supply pipelines（4）With three-level heat supply pipeline（6）Caliber end is uniformly decreased to by the 1200mm of head end
200mm。
5. a kind of long-range systemic circulation graded supply system according to claim 1, it is characterized in that：The one-level water return pipeline
（3）, two grades of water return pipelines（5）With three-level water return pipeline（7）Caliber end is uniformly increased to by the 200mm of head end
1200mm。
6. a kind of long-range systemic circulation graded supply system according to claim 1, it is characterized in that：The one-level heat supply pipeline
（2）With one-level water return pipeline（3）Between, two grades of heat supply pipelines（4）With two grades of water return pipelines（5）Between, three-level heat supply pipeline（6）
With three-level water return pipeline（7）Between be connected with some user's circulating water heating pipelines respectively（11）, user's circulating water heating pipe
Road（11）It is connected with plate type heat exchanger（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510153878.3A CN104791879B (en) | 2015-04-02 | 2015-04-02 | A kind of long-range systemic circulation graded supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510153878.3A CN104791879B (en) | 2015-04-02 | 2015-04-02 | A kind of long-range systemic circulation graded supply system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104791879A CN104791879A (en) | 2015-07-22 |
| CN104791879B true CN104791879B (en) | 2017-09-19 |
Family
ID=53556901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510153878.3A Expired - Fee Related CN104791879B (en) | 2015-04-02 | 2015-04-02 | A kind of long-range systemic circulation graded supply system |
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| Country | Link |
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| CN (1) | CN104791879B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2406901A (en) * | 2003-10-06 | 2005-04-13 | Ec Power As | A combined heat and power unit with a feedback conduit for temperature regulation |
| CN101307929A (en) * | 2008-06-30 | 2008-11-19 | 曹天宏 | Architecture pressure charging temperature reduction heating apparatus |
| CN202048614U (en) * | 2010-12-08 | 2011-11-23 | 余弟和 | Water-heating heat recycling device |
| CN202561872U (en) * | 2012-05-03 | 2012-11-28 | 盾安（天津）节能系统有限公司 | Tandem-type heating pipeline connecting structure |
| CN103115388A (en) * | 2013-03-06 | 2013-05-22 | 中国神华能源股份有限公司 | Thermal power plant circulating water heat supply system |
| CN104456685A (en) * | 2014-05-26 | 2015-03-25 | 宋春节 | Multi-heat-source single-pipe waste heat utilization heat supply system |
| CN204534765U (en) * | 2015-04-02 | 2015-08-05 | 王明星 | A kind of long-range systemic circulation graded supply system |
-
2015
- 2015-04-02 CN CN201510153878.3A patent/CN104791879B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2406901A (en) * | 2003-10-06 | 2005-04-13 | Ec Power As | A combined heat and power unit with a feedback conduit for temperature regulation |
| CN101307929A (en) * | 2008-06-30 | 2008-11-19 | 曹天宏 | Architecture pressure charging temperature reduction heating apparatus |
| CN202048614U (en) * | 2010-12-08 | 2011-11-23 | 余弟和 | Water-heating heat recycling device |
| CN202561872U (en) * | 2012-05-03 | 2012-11-28 | 盾安（天津）节能系统有限公司 | Tandem-type heating pipeline connecting structure |
| CN103115388A (en) * | 2013-03-06 | 2013-05-22 | 中国神华能源股份有限公司 | Thermal power plant circulating water heat supply system |
| CN104456685A (en) * | 2014-05-26 | 2015-03-25 | 宋春节 | Multi-heat-source single-pipe waste heat utilization heat supply system |
| CN204534765U (en) * | 2015-04-02 | 2015-08-05 | 王明星 | A kind of long-range systemic circulation graded supply system |
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| Publication number | Publication date |
|---|---|
| CN104791879A (en) | 2015-07-22 |
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Granted publication date: 20170919 Termination date: 20200402 |