CN104214520B - District cooling and heating transmission and distribution network health check system - Google Patents
District cooling and heating transmission and distribution network health check system Download PDFInfo
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- CN104214520B CN104214520B CN201410427791.6A CN201410427791A CN104214520B CN 104214520 B CN104214520 B CN 104214520B CN 201410427791 A CN201410427791 A CN 201410427791A CN 104214520 B CN104214520 B CN 104214520B
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Abstract
The present invention provides a kind of district cooling and heating transmission and distribution network health check system, and it includes water knockout drum, water collector, inlet channel, water return pipeline, multiple filters and multiple electric control valves；Water knockout drum is connected by inlet channel with multiple terminals, and inlet channel includes multiple bleeders；Water collector is connected by water return pipeline with terminal, and water return pipeline includes multiple inlets；Filter is arranged on opening position of the water return pipeline close to terminal；Collecting unit includes multiple hydraulic pressure sensors, and inlet channel is provided with hydraulic pressure sensor with water knockout drum and junction, bleeder, water return pipeline and the water collector of terminal and the junction of terminal and inlet；Each filter is between two hydraulic pressure sensors；Electric control valve is arranged in the inlet channel and the water return pipeline.By setting multiple hydraulic pressure sensors in the duct, and the pressure difference detected according to hydraulic pressure sensor is judged with the presence or absence of blocking and blocking position in pipeline, it is achieved thereby that the real-time monitoring to pipeline.
Description
Technical field
The present invention relates to a kind of inspection system, more particularly to a kind of district cooling and heating transmission and distribution network health check system.
Background technology
Traditional district cooling and heating transmission ＆ distribution pipe generally all pipeline water resistance can occur increasingly when running after a period of time
Big situation, system hydraulic pressure can be caused uneven and the problem of energy consumption increases severely.Traditional solution is mainly by personal warp
Test or carry out judging whether to block by machinery instrument, or dismounting cleaning periodically is carried out to all easily stifled points.This mode
Maximum disadvantage be exactly probably due to can not be promptly and accurately search out plugging point, cause just to enter when blocking more serious
Row processing, and now had resulted in larger energy loss.
The content of the invention
In view of the foregoing, it is necessary to it is defeated to provide a kind of district cooling and heating that can be monitored in real time to the hydraulic pressure of pipeline
Pipe network health check system.
A kind of district cooling and heating transmission and distribution network health check system, it includes a water knockout drum, a water collector, a water inlet pipe
Road, a water return pipeline, multiple filters, multiple electric control valves, a collecting unit and a monitoring center；The water knockout drum passes through institute
State inlet channel with multiple terminals to be connected, the inlet channel includes multiple bleeders；The water collector passes through the backwater
Pipeline is connected with the terminal, and the water return pipeline includes multiple inlets；The filter is arranged on the water return pipeline
Close to the opening position of the terminal；The collecting unit includes multiple hydraulic pressure sensors, the inlet channel and water knockout drum and end
The junction at end, the bleeder, the water return pipeline and the junction and the inlet of water collector and terminal are provided with
The hydraulic pressure sensor；Each filter is between two hydraulic pressure sensors；The electric control valve enters described in being arranged on
In waterpipe and the water return pipeline；Monitoring center's internal memory is contained in same pipeline between any two hydraulic pressure sensor
Theoretical pressure difference, the monitoring center receive the hydraulic pressure of different places in the pipeline that the collecting unit is detected, and according to being detected
Hydraulic pressure calculate actual pressure differential between any two hydraulic pressure sensor, by the way that the actual pressure differential and theoretical pressure difference are carried out
Compare and blocked with determining to whether there is in pipeline and whether need to close the electric control valve.
Compared with prior art, district cooling and heating transmission and distribution network health check system provided by the invention is by intaking
Multiple hydraulic pressure sensors are set in pipeline and water return pipeline, and the pressure difference detected according to the hydraulic pressure sensor is judged in pipeline
With the presence or absence of blocking and whether needing to close the electric control valve, it is achieved thereby that the real-time monitoring to pipeline, effective anti-
Energy loss is stopped.
Brief description of the drawings
Fig. 1 is that the planar structure for the district cooling and heating transmission and distribution network health check system that embodiment of the present invention provides is shown
It is intended to.
Fig. 2 is the high-level schematic functional block diagram of the district cooling and heating transmission and distribution network health check system in Fig. 1.
Embodiment
Fig. 1-2 is referred to, is the district cooling and heating transmission and distribution network health examination system provided in embodiment of the present invention
System 100, it is connected with multiple terminals 200.The terminal 200 can be building or cooling-water machine.The district cooling
Heat supply transmission and distribution network health check system 100 includes a water knockout drum 10, a water collector 20, an inlet channel 30, a water return pipeline
40th, multiple filters 50, multiple electric control valves 51, a collecting unit 60 and a monitoring center 70.
The water knockout drum 10 is a hollow receptacle, and its internal reservoir has chilled water.The inside of the water knockout drum 10 or
Outside is configured with the first chilled water pump 11, and first chilled water pump 11 is used for the chilled water of the internal reservoir of water knockout drum 10
The terminal 200 is pumped to by the inlet channel 30.The normal pressure that first chilled water pump 11 pumps chilled water is adjustable.
The water collector 20 is also a hollow receptacle, and its internal reservoir has chilled water.The inside of the water collector 20 or
The second chilled water pump 12 is configured with outside person, second chilled water pump 12 is used to pass through the chilled water Jing Guo the terminal 200
The water return pipeline 40 is crossed to draw back into the water collector 20.The negative pressure that second chilled water pump 12 draws back chilled water can
Adjust.
The inlet channel 30 includes a water inlet supervisor 31 and multiple water inlets being connected with the water inlet supervisor 31 are in charge of
32, the first chilled water pump 11 that the water inlet is responsible in 31 water knockout drums 10 is connected, and 32 and the end are in charge of in the water inlet
End 200 is connected.The water inlet supervisor 31 is in charge of 32 connections with the water inlet and forms the bleeder 33.
The water return pipeline 40 includes backwater supervisor 41 and multiple backwater being connected with backwater supervisor 41 are in charge of
42, the negative pressure water pump 12 that the backwater is responsible in 41 water collectors 20 is connected, and the backwater is in charge of 42 and the terminal 200
It is connected.The backwater supervisor 41 is in charge of 42 connections with the backwater and forms the inlet 43.
The filter 50 is arranged on opening position of the water return pipeline 40 close to the terminal 200.Specifically, the mistake
Filter 50 is arranged on the backwater being directly connected to the terminal 200 and is in charge of in 42.The filter 50 is used to filter out from the end
Impurity in the water of the outflow of end 200.
The electric control valve 51 is arranged in the inlet channel 30 and the water return pipeline 40, and with the monitoring center
70 phases are electrically connected with.Specifically, the electric control valve 51 be arranged on it is described water inlet be in charge of 32 and the backwater be in charge of in 42.It is described
The flow of the size control water for the electricity that electric control valve 51 exports according to the monitoring center 70.
The collecting unit 60 includes what multiple hydraulic pressure sensors 61 and one were electrically connected with the phase of hydraulic pressure sensor 61
Data link 62.The hydraulic pressure sensor 61 is arranged on the inlet channel 30 and the connection of water knockout drum 10 and terminal 200
Place, the bleeder 33, the water return pipeline 40 and water collector 20 and junction and the inlet 43 of terminal 200.It is described
Each filter 50 is between two hydraulic pressure sensors 61.Specifically, it is arranged on the filter 50 that the backwater is in charge of in 42
It is in charge of 42 with the hydraulic pressure sensor 61 of the junction of terminal 200 and being arranged on the backwater and being in charge of positioned at the backwater is arranged on
Between 42 and the hydraulic pressure sensor 61 of 41 junctions of backwater supervisor.The data link 62 is used to pass the hydraulic pressure
The data that sensor 61 is monitored are sent out.
The monitoring center 70 includes a data sink 71, a computing module 72, a comparison module 73, one storage mould
The alarm module 75 of block 74 and one.The computing module 72 and the 71 wired or wireless connection of data sink.The calculating
Module 72, the memory module 74 and the alarm module 75 are connected with the comparison module 73.The data receiver dress
62 are put to be used to receive the data transmitted by the data link 62.The computing module 72 is according to the data sink
62 received datas calculate any two hydraulic pressure in the hydraulic pressure value that each hydraulic pressure sensor 61 monitored and same pipeline and passed
Actual pressure differential between sensor 61.It is stored with the memory module 74 in same pipeline between any two hydraulic pressure sensor 61
Theoretical pressure difference and same pipeline in theoretical pressure difference between any two hydraulic pressure sensor 61 and the tolerance of actual pressure differential
Scope.The comparison module 73 and the electric control valve 51, first chilled water pump 11 and the phase of the second chilled water pump 21
It is electrically connected with.
It is appreciated that the water knockout drum 10 can also be the water collector 20, corresponding, the inlet channel 30 can also
It is water return pipeline 40.
During normal use, first chilled water pump 11 delivers to the chilled water pump in the water knockout drum 10 described
Water inlet supervisor 31.Chilled water in the water inlet supervisor 31 enters the water inlet by the bleeder 33 and is in charge of 32.Chilled water
The electric control valve 51 being in charge of by the water inlet on 32 enters to the terminal 200.From the freezing of the terminal 200 outflow
Water is in charge of 42 into the backwater, and chilled water passes through the electric control valve 51 and the filter 50 from the inlet 43 successively
Into backwater supervisor 41.In the presence of the negative pressure water pump 21, described in the chilled water entrance in the backwater supervisor 41
Water collector 20.
Hydraulic pressure sensor 61 in the inlet channel 30 is to the water inlet supervisor 31 and the company of the bleeder 10
The place of connecing, the water knockout drum 33 and the water inlet are in charge of 32 and are monitored with the hydraulic pressure of the junction of the terminal 200.Positioned at described
Hydraulic pressure sensor 61 in water return pipeline 40 is to junction of the backwater supervisor 41 with the water collector 20, the inlet 43
And the backwater is in charge of 42 and is monitored with the hydraulic pressure of the junction of the terminal 200.
The hydraulic pressure that the hydraulic pressure sensor 61 is monitored passes through the data link 62 and the data sink
71 are sent to the computing module 72.The computing module 72 calculates according to the received data of data sink 62
Actual pressure differential in hydraulic pressure value and same pipeline that each hydraulic pressure sensor 61 is monitored between any two hydraulic pressure sensor 61.
The comparison module 73 senses the actual pressure differential between two hydraulic pressure sensors 61 in same pipeline with corresponding two hydraulic pressure
Theoretical pressure difference between device 61 is compared, when the difference between the actual pressure differential and the theoretical pressure difference is more than the permission
During deviation range, show blocking be present in the pipeline at the corresponding place of hydraulic pressure sensor 61, the alarm module 75 is alarmed.
When blocking in the inlet channel 30 be present, the comparison module 73 in the monitoring center 70 controls described first
Chilled water pump 11 reduces chilled water pump pressurization pressure.When blocking in the water return pipeline 40 be present, in the monitoring center 70
Comparison module 73 controls second chilled water pump 21 to reduce chilled water and draws back pressure.When monitoring certain two hydraulic pressure sensor 61
Between actual pressure differential be significantly increased after and after reducing suddenly, show corresponding pipe explosion, the comparison mould in the monitoring center 70
Block 73 controls corresponding electric control valve 51 to close, to prevent the waste of water resource.
District cooling and heating transmission and distribution network health check system provided by the invention passes through in inlet channel and water return pipeline
It is middle that multiple hydraulic pressure sensors are set, and the pressure difference detected according to the hydraulic pressure sensor judge in pipeline with the presence or absence of blocking with
And whether need to close the electric control valve, it is achieved thereby that the real-time monitoring to pipeline, is effectively prevented energy loss.
It is understood that for the person of ordinary skill of the art, it can be conceived with the technique according to the invention and done
Go out other various corresponding changes and deformation, and all these changes and deformation should all belong to the protection model of the claims in the present invention
Enclose.
Claims (10)
1. a kind of district cooling and heating transmission and distribution network health check system, it includes a water knockout drum, a water collector, a water inlet pipe
Road, a water return pipeline, multiple filters, multiple electric control valves, a collecting unit and a monitoring center；The water knockout drum passes through institute
State inlet channel with multiple terminals to be connected, the inlet channel includes multiple bleeders；The water collector passes through the backwater
Pipeline is connected with the terminal, and the water return pipeline includes multiple inlets；The filter is arranged on the water return pipeline
Close to the opening position of the terminal；The collecting unit includes multiple hydraulic pressure sensors, the inlet channel and water knockout drum and end
The junction at end, the bleeder, the water return pipeline and the junction and the inlet of water collector and terminal are provided with
The hydraulic pressure sensor；Each filter is between two hydraulic pressure sensors；The electric control valve enters described in being arranged on
In waterpipe and the water return pipeline；Monitoring center's internal memory is contained in same pipeline between any two hydraulic pressure sensor
Theoretical pressure difference, the monitoring center receive the hydraulic pressure of different places in the pipeline that the collecting unit is detected, and according to being detected
Hydraulic pressure calculate actual pressure differential between any two hydraulic pressure sensor, by the way that the actual pressure differential and theoretical pressure difference are carried out
Compare and blocked with determining to whether there is in pipeline and whether need to close the electric control valve.
2. district cooling and heating transmission and distribution network health check system as claimed in claim 1, it is characterised in that the water inlet pipe
Road includes a water inlet supervisor and multiple water inlets being connected with the water inlet supervisor are in charge of, and the water knockout drum phase is responsible in the water inlet
Connection, the water inlet is in charge of to be connected with the terminal.
3. district cooling and heating transmission and distribution network health check system as claimed in claim 2, it is characterised in that the water inlet master
Pipe is in charge of connection with the water inlet and forms the bleeder.
4. district cooling and heating transmission and distribution network health check system as claimed in claim 1, it is characterised in that the return pipe
Road includes backwater supervisor and multiple backwater being connected with backwater supervisor are in charge of, and the backwater is responsible for the water collector phase
Connection, the backwater is in charge of to be connected with the terminal.
5. district cooling and heating transmission and distribution network health check system as claimed in claim 4, it is characterised in that the backwater master
Pipe is in charge of connection with the backwater and forms the inlet.
6. district cooling and heating transmission and distribution network health check system as claimed in claim 1, it is characterised in that the collection is single
Member also includes a data link being electrically connected with the hydraulic pressure sensor, and the monitoring center includes one and the data
The data sink of the wired or wireless connection of conveyer.
7. district cooling and heating transmission and distribution network health check system as claimed in claim 6, it is characterised in that in the monitoring
The heart also includes a computing module, a comparison module, a memory module and an alarm module；The computing module connects with the data
Receiving apparatus is connected；The comparison module is connected with the computing module, the memory module and the alarm module.
8. district cooling and heating transmission and distribution network health check system as claimed in claim 7, it is characterised in that in same pipeline
Theoretical pressure difference between any two hydraulic pressure sensor is stored in advance in the memory module, is also stored in the memory module
There is the tolerance scope of the theoretical pressure difference and actual pressure differential in same pipeline between any two hydraulic pressure sensor.
9. district cooling and heating transmission and distribution network health check system as claimed in claim 1, it is characterised in that the electrically-controlled valve
Door is mutually electrically connected with the monitoring center, different electric control valves of the monitoring center in monitoring result control pipeline
Close.
10. district cooling and heating transmission and distribution network health check system as claimed in claim 1, it is characterised in that described to divide water
Device includes a malleation water pump being connected with the inlet channel, what the water collector was connected including one with the water return pipeline
Negative pressure water pump；The malleation water pump is mutually electrically connected with the negative pressure water pump with the monitoring center, monitoring center's root
The pressure of the malleation water pump and the negative pressure water pump is controlled according to monitoring result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410427791.6A CN104214520B (en) | 2014-08-28 | 2014-08-28 | District cooling and heating transmission and distribution network health check system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410427791.6A CN104214520B (en) | 2014-08-28 | 2014-08-28 | District cooling and heating transmission and distribution network health check system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104214520A CN104214520A (en) | 2014-12-17 |
| CN104214520B true CN104214520B (en) | 2017-12-15 |
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ID=52096288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410427791.6A Active CN104214520B (en) | 2014-08-28 | 2014-08-28 | District cooling and heating transmission and distribution network health check system |
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| Country | Link |
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| CN (1) | CN104214520B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3705788A1 (en) * | 2019-03-05 | 2020-09-09 | E.ON Sverige AB | A method and a server for verifying a physical connection of an unverified thermal device to a specific combined district heating and cooling system |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628900B (en) * | 2021-01-21 | 2022-02-22 | 中国建筑西北设计研究院有限公司 | Regional cooling system based on partitioned energy source station |
| CN113834530A (en) * | 2021-09-27 | 2021-12-24 | 沈阳和同科技有限公司 | Heat supply data automatic acquisition and detection system |
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| JP5302178B2 (en) * | 2009-12-21 | 2013-10-02 | アズビル株式会社 | Impulse tube clogging diagnosis device and clogging diagnosis method |
| JP5891138B2 (en) * | 2012-07-18 | 2016-03-22 | アズビル株式会社 | Impulse tube clogging diagnosis device and clogging diagnosis method |
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|---|---|---|---|---|
| CN1484012A (en) * | 2003-08-04 | 2004-03-24 | 伍华本 | Sensor system for pressure difference type detecting filter blocking state |
| CN201000129Y (en) * | 2006-12-28 | 2008-01-02 | 重庆大学 | Radiation cooling and warming feeding system |
| CN200996689Y (en) * | 2007-01-18 | 2007-12-26 | 周传悌 | Geothermal water-circulating temperature controller |
| CN102182929A (en) * | 2010-12-10 | 2011-09-14 | 聚光科技(杭州)股份有限公司 | Device and method for detecting pipeline blockage |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3705788A1 (en) * | 2019-03-05 | 2020-09-09 | E.ON Sverige AB | A method and a server for verifying a physical connection of an unverified thermal device to a specific combined district heating and cooling system |
| WO2020178157A1 (en) * | 2019-03-05 | 2020-09-10 | E.On Sverige Ab | A method and a server for verifying a physical connection of an unverified thermal device to a specific combined district heating and cooling system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104214520A (en) | 2014-12-17 |
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| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Deng Wei Inventor after: Zhong Fan Inventor after: Zhu Xuan Inventor after: Hu Jingjiao Inventor before: Deng Wei Inventor before: Zhong Fan Inventor before: Zhu Xuan |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: DENG WEI ZHONG FAN ZHU XUAN TO: DENG WEI ZHONG FAN ZHU XUAN HU JINGJIAO |
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