CN216114271U - Secondary side constant-pressure water supplementing system of heat exchange station - Google Patents
Secondary side constant-pressure water supplementing system of heat exchange station Download PDFInfo
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- CN216114271U CN216114271U CN202121538762.9U CN202121538762U CN216114271U CN 216114271 U CN216114271 U CN 216114271U CN 202121538762 U CN202121538762 U CN 202121538762U CN 216114271 U CN216114271 U CN 216114271U
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Abstract
The application discloses a secondary side constant-pressure water supplementing system of a heat exchange station, which comprises a water tank and a heat exchanger, wherein the heat exchanger is connected with a primary water return pipeline, a primary water supply pipeline, a secondary water return pipeline and a secondary water supply pipeline; a plurality of circulating pumps arranged in parallel are installed between the secondary water return pipeline and the heat exchanger, and a plurality of water replenishing pumps arranged in parallel are installed between the secondary water return pipeline and the water tank. Has the following advantages: the problem that the existing equipment cannot automatically detect the conversion when the equipment breaks down in operation is solved. After the secondary constant-pressure water supplementing system is used, the stability of the secondary side operation of the heat exchange station is improved, and therefore the heat supply quality is improved.
Description
Technical Field
The utility model relates to a secondary constant-pressure water supplementing system for a heat exchange station, in particular to a control system suitable for secondary side constant-pressure water supplementing in the heat exchange station, and belongs to the technical field of heating power.
Background
The heating field is always the field with larger national energy consumption and also the field with larger energy waste. In recent years, the national requirements for energy conservation and consumption reduction are higher and higher, and automatic control technology is in force. The informatization, automation and intellectualization of the heat supply system are realized through the upgrading and reconstruction of the automatic control system and the hardware system and the construction of the secondary pipe network balance system, the operation management level of an enterprise is improved, the cost is reduced, the energy conservation and consumption reduction are realized, and the economic benefit is improved.
The existing water replenishing system technology at least has the following defects: in practical application, the secondary side constant pressure mode is too single, and traditional machinery constant pressure can not be effectual carries out steady voltage constant pressure to the system because the pipe network is unstable, and the automatic control mode produces adverse effect because the realization automatic control that can not be complete is influenced by field device to the pipe network operation.
At present, the existing mode can not stably operate, so that the operation of a heating system is greatly influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the secondary side constant pressure water supplementing system of the heat exchange station can not automatically detect the transition when the existing equipment fails in operation. After the secondary constant-pressure water supplementing system is used, the stability of the secondary side operation of the heat exchange station is improved, and therefore the heat supply quality is improved.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a secondary side constant-pressure water supplementing system of a heat exchange station comprises a water tank and a heat exchanger, wherein the heat exchanger is connected with a primary water return pipeline, a primary water supply pipeline, a secondary water return pipeline and a secondary water supply pipeline;
a plurality of circulating pumps arranged in parallel are installed between the secondary water return pipeline and the heat exchanger, and a plurality of water replenishing pumps arranged in parallel are installed between the secondary water return pipeline and the water tank.
Furthermore, a 4# electric valve is arranged between the primary water supply pipeline and the heat exchanger.
Furthermore, a first electric valve is arranged on a pipeline between the primary water return pipeline and the heat exchanger from the water tank.
Furthermore, a second electric valve is arranged between the tap water pipeline and the water tank, and a third electric valve is arranged between the tap water pipeline and the primary water return pipeline.
Furthermore, a primary water return pressure sensor is arranged between the primary water return pipeline and the heat exchanger, and the primary water return pressure sensor can monitor the pressure of the primary water return pipeline in real time.
Furthermore, a secondary water return pressure sensor is arranged between the secondary water return pipeline and the circulating pump, and the secondary water return pressure sensor can monitor the pressure of the secondary water return pipeline in real time.
Furthermore, a tap water pressure sensor is installed between the tap water pipeline and the second electric valve, and the tap water pressure sensor can monitor the pressure of the tap water pipeline in real time.
Further, the water charging system further comprises a control module, and the control module is connected with a tap water pressure sensor, a secondary water return pressure sensor, a primary water return pressure sensor, a water tank liquid level sensor, a first electric valve, a second electric valve, a third electric valve, a 4# electric valve and a water charging pump.
Further, control module includes PLC, and PLC is connected with two back pressure and detects, running water pressurized-water detection, water tank liquid level detection, a return pressure detection, touch-sensitive screen and dispatch center, and two back pressure detection are used for detecting the pressure of secondary return water pipeline through controlling secondary return water pressure sensor, and running water pressurized-water detection is used for detecting the pressure of running water pipeline through controlling running water pressure sensor, and a return pressure detection is used for detecting the pressure of return water pipeline through controlling a return water pressure sensor.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical effects:
the problem that the existing equipment cannot automatically detect the conversion when the equipment breaks down in operation is solved. After the secondary constant-pressure water supplementing system is used, the stability of the secondary side operation of the heat exchange station is improved, so that the heat supply quality is improved, and the system can automatically judge the pressure during water supplementing through the PLC to determine whether to start the water supplementing pump or open the electric valve. If moisturizing pressure is less than running water or primary side pressure, then the moisturizing pump need not start, and the system can be according to setting for opening running water or a return water pipeline valve by oneself, carries out the moisturizing toward the secondary side in running water pipeline or a return water pipeline, and the moisturizing pump consequently does not start, then has reduced the energy consumption. Therefore, the water supplementing constant pressure is more accurate, and the error is smaller.
Drawings
In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings that are needed in the detailed description of the utility model or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of a water replenishing system in embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of a water replenishing system in embodiment 2 of the present invention;
fig. 3 is a block diagram of a control module according to embodiment 2 of the present invention.
Detailed Description
Example 1
As shown in fig. 1, a secondary side constant pressure water charging system of a heat exchange station comprises a water tank 12 and a heat exchanger 16, wherein the heat exchanger 16 is connected with a primary water return pipeline 1, a primary water supply pipeline 14, a secondary water return pipeline 2 and a secondary water supply pipeline 15, the primary water return pipeline 1 and the secondary water return pipeline 2 are connected with the water tank 12, and the water tank 12 is further connected with a tap water pipeline 3.
And a 4# electric valve 19 is arranged between the primary water supply pipeline 14 and the heat exchanger 16.
A first electric valve 5 and a No. 2 water replenishing pump 17 are installed on a pipeline between the water tank 12 and the heat exchanger 16 of the primary water return pipeline 1.
A plurality of circulating pumps 17 arranged in parallel are installed between the secondary water return pipeline 2 and the heat exchanger 16, and a plurality of water replenishing pumps 4 arranged in parallel are installed between the secondary water return pipeline 2 and the water tank 12.
A second electric valve 6 is arranged between the tap water pipeline 3 and the water tank 12, and a third electric valve 7 is arranged between the tap water pipeline 3 and the primary water return pipeline 1 and between the tap water pipeline 3 and the secondary water return pipeline 2.
And a water tank liquid level sensor 11 is arranged in the water tank 12.
Example 2
As shown in fig. 2, a secondary side constant pressure water charging system of a heat exchange station comprises a water tank 12 and a heat exchanger 16, wherein the heat exchanger 16 is connected with a primary water return pipeline 1, a primary water supply pipeline 14, a secondary water return pipeline 2 and a secondary water supply pipeline 15, the primary water return pipeline 1 and the secondary water return pipeline 2 are connected with the water tank 12, and the water tank 12 is further connected with a tap water pipeline 3.
And a 4# electric valve 19 is arranged between the primary water supply pipeline 14 and the heat exchanger 16.
A first electric valve 5 is arranged on a pipeline between the primary water return pipeline 1 and the heat exchanger 16 from the water tank 12.
A plurality of circulating pumps 18 arranged in parallel are arranged between the secondary water return pipeline 2 and the heat exchanger 16, and a plurality of water replenishing pumps 4 arranged in parallel are arranged between the secondary water return pipeline 2 and the water tank 12.
A second electric valve 6 is arranged between the tap water pipeline 3 and the water tank 12, and a third electric valve 7 is arranged between the tap water pipeline 3 and the primary water return pipeline 1.
A primary water return pressure sensor 8 is arranged between the primary water return pipeline 1 and the heat exchanger 16, and the primary water return pressure sensor 8 can monitor the pressure of the primary water return pipeline 1 in real time.
A secondary water return pressure sensor 9 is arranged between the secondary water return pipeline 2 and the circulating pump 18, and the secondary water return pressure sensor 9 can monitor the pressure of the secondary water return pipeline 2 in real time.
A tap water pressure sensor 10 is installed between the tap water pipeline 3 and the second electric valve 6, and the tap water pressure sensor 10 can monitor the pressure of the tap water pipeline 3 in real time.
The water supplementing system further comprises a control module 13, and the control module 13 is connected with a tap water pressure sensor 10, a secondary water return pressure sensor 9, a primary water return pressure sensor 8, a water tank liquid level sensor 11, a first electric valve 5, a second electric valve 6, a third electric valve 7, a 4# electric valve 16 and a water supplementing pump.
As shown in fig. 3, the control module 13 includes a PLC, the PLC is connected with two back pressure detection, running water pressure detection, water tank liquid level detection, one back pressure detection, a touch screen and a dispatching center, the PLC and the dispatching center are connected by ethernet, GPRS and the like, the two back pressure detection is used for detecting the pressure of the secondary back water pipeline 2 by controlling the secondary back water pressure sensor 9, the running water pressure detection is used for detecting the pressure of the running water pipeline 3 by controlling the running water pressure sensor 10, and the one back pressure detection is used for detecting the pressure of the primary back water pipeline 1 by controlling the primary back water pressure sensor 8.
In practical application, if the pressure of the secondary water return pipeline 2 is lower than a set value, the control module 13 will automatically determine the pressure of the tap water management 3 and the pressure of the primary water return pipeline 1, and if the pressure of the tap water pipeline 3 is higher than the pressure of the secondary water return pipeline 2 and lower than the set value, the second electric valve 6 will be opened, and the system will supplement water to the secondary water return pipeline 2 through the tap water pipeline 3. If the pressure of the tap water pipeline 3 is lower than the pressure of the secondary water return pipeline 2 and lower than a set value, the control module 13 can judge the pressure of the primary water return pipeline 1 and the pressure of the secondary water return pipeline 2, if the pressure of the primary water return pipeline 1 is higher than the set value of the pressure of the secondary water return pipeline 2, the first electric valve 5 is opened, if the pressure of the primary water return pipeline 1 and the pressure of the tap water pipeline 3 are both lower than the set value of the pressure of the secondary water return pipeline 2, the system can start the water replenishing pump 4, and water is pumped from the water tank 12 to replenish the secondary water return pipeline 2.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (9)
1. The utility model provides a heat exchange station secondary side constant pressure water charging system which characterized in that: the water-saving device comprises a water tank (12) and a heat exchanger (16), wherein the heat exchanger (16) is connected with a primary water return pipeline (1), a primary water supply pipeline (14), a secondary water return pipeline (2) and a secondary water supply pipeline (15), the primary water return pipeline (1) and the secondary water return pipeline (2) are connected with the water tank (12), and the water tank (12) is also connected with a tap water pipeline (3);
a plurality of circulating pumps (18) arranged in parallel are installed between the secondary water return pipeline (2) and the heat exchanger (16), and a plurality of water replenishing pumps (4) arranged in parallel are installed between the secondary water return pipeline (2) and the water tank (12).
2. The secondary side constant pressure water replenishing system of the heat exchange station as claimed in claim 1, wherein: a fourth electric valve (19) is arranged between the primary water supply pipeline (14) and the heat exchanger (16).
3. The secondary side constant pressure water replenishing system of the heat exchange station as claimed in claim 1, wherein: a first electric valve (5) is installed on a pipeline between the primary water return pipeline (1) and the heat exchanger (16) from the water tank (12).
4. The secondary side constant pressure water replenishing system of the heat exchange station as claimed in claim 1, wherein: a second electric valve (6) is installed between the tap water pipeline (3) and the water tank (12), and a third electric valve (7) is installed between the tap water pipeline (3) and the primary water return pipeline (1).
5. The secondary side constant pressure water replenishing system of the heat exchange station as claimed in claim 1, wherein: a primary water return pressure sensor (8) is installed between the primary water return pipeline (1) and the heat exchanger (16), and the primary water return pressure sensor (8) can monitor the pressure of the primary water return pipeline (1) in real time.
6. The secondary side constant pressure water replenishing system of the heat exchange station as claimed in claim 1, wherein: a secondary water return pressure sensor (9) is installed between the secondary water return pipeline (2) and the circulating pump (18), and the secondary water return pressure sensor (9) can monitor the pressure of the secondary water return pipeline (2) in real time.
7. The secondary side constant pressure water replenishing system of the heat exchange station as claimed in claim 4, wherein: a tap water pressure sensor (10) is installed between the tap water pipeline (3) and the second electric valve (6), and the tap water pressure sensor (10) can monitor the pressure of the tap water pipeline (3) in real time.
8. The secondary side constant pressure water replenishing system of the heat exchange station as claimed in claim 1, wherein: the water supplementing system further comprises a control module (13), wherein the control module (13) is connected with a tap water pressure sensor (10), a secondary return water pressure sensor (9), a primary return water pressure sensor (8), a water tank liquid level sensor (11), a first electric valve (5), a second electric valve (6), a third electric valve (7), a fourth electric valve (19) and a water supplementing pump.
9. The secondary side constant pressure water replenishing system of the heat exchange station as claimed in claim 8, wherein: control module includes PLC, PLC is connected with two return pressure and detects, the running water pressurized-water detects, the water tank liquid level detects, a return pressure detects, touch-sensitive screen and dispatch center, two return pressure detect be used for detecting the pressure of secondary return water pipeline (2) through control secondary return water pressure sensor (9), the running water pressurized-water detects the pressure that is used for detecting running water pipeline (3) through control running water pressure sensor (10), a return pressure detects the pressure that is used for detecting return water pipeline (1) through control primary return water pressure sensor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121538762.9U CN216114271U (en) | 2021-07-07 | 2021-07-07 | Secondary side constant-pressure water supplementing system of heat exchange station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121538762.9U CN216114271U (en) | 2021-07-07 | 2021-07-07 | Secondary side constant-pressure water supplementing system of heat exchange station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216114271U true CN216114271U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202121538762.9U Active CN216114271U (en) | 2021-07-07 | 2021-07-07 | Secondary side constant-pressure water supplementing system of heat exchange station |
Country Status (1)
| Country | Link |
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| CN (1) | CN216114271U (en) |
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2021
- 2021-07-07 CN CN202121538762.9U patent/CN216114271U/en active Active
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