CN216976528U - Power plant heat output system - Google Patents
Power plant heat output system Download PDFInfo
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- CN216976528U CN216976528U CN202220477795.5U CN202220477795U CN216976528U CN 216976528 U CN216976528 U CN 216976528U CN 202220477795 U CN202220477795 U CN 202220477795U CN 216976528 U CN216976528 U CN 216976528U
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Abstract
The utility model belongs to the field of heat transmission, and discloses a power plant heat output system which comprises a main controller, a plurality of main pipelines, a plurality of secondary controllers and a plurality of user terminal controllers, wherein air inlets of the main pipelines are communicated with a steam outlet of a steam generating device of a power plant, air outlets of the main pipelines are communicated with a plurality of branch pipelines, air outlets of the branch pipelines are communicated with air inlets of a plurality of user pipes, the user pipes are provided with first flow valves, the branch pipelines are provided with second flow valves, the main pipelines are provided with third flow valves, the first flow valves are electrically connected with the corresponding user terminal controllers, the second flow valves on the plurality of branch pipelines corresponding to the main pipelines are electrically connected with the corresponding secondary controllers, the third flow valves are electrically connected with the main controller, the user terminal controllers corresponding to the plurality of user pipes communicated with the main pipelines are electrically connected with the corresponding secondary controllers, the secondary controllers are electrically connected with the main controller, so that the reasonable distribution of steam delivery can be realized, and the heat waste can be avoided.
Description
Technical Field
The utility model belongs to the field of heat transmission, and particularly relates to a heat output system of a power plant.
Background
For a thermal power plant, a large amount of steam is generated in the production process of the thermal power plant, the steam carries a large amount of heat, enterprises in peripheral areas need to utilize the steam, and in order to achieve reasonable utilization of steam heat, the surplus steam can be sold outwards to achieve reasonable utilization of resources for the power plant, but for a steam pipe network, peak periods of steam utilization of users may be different, and the current steam pipe network cannot achieve scheduling.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problems, an object of the present invention is to provide a thermal output system of a power plant, which can adjust the distribution amount of each main pipeline, each branch pipeline and each customer pipeline according to the steam demand of a customer to ensure that the flow distribution of each customer pipeline meets the customer demand.
In order to achieve the purpose, the technical scheme of the utility model is as follows: a power plant thermal output system comprises a main controller, a plurality of main pipelines, a plurality of secondary controllers and a plurality of user terminal controllers, wherein air inlets of the main pipelines are connected and communicated with a steam outlet of a steam generating device of a power plant, an air outlet end of each main pipeline is connected and communicated with a plurality of branch pipelines, an air outlet end of each branch pipeline is communicated with air inlets of a plurality of user pipes, each user pipe is provided with a first flow valve, each branch pipeline is provided with a second flow valve, each main pipeline is provided with a third flow valve, the plurality of user terminal controllers are in one-to-one correspondence with the plurality of first flow valves, each first flow valve is electrically connected with the corresponding user terminal controller, the plurality of secondary controllers are in one-to-one correspondence with the plurality of main pipelines, and the second flow valves on the plurality of branch pipelines corresponding to each main pipeline are electrically connected with the corresponding secondary controllers, the plurality of third flow valves are electrically connected with the main controller, the user terminal controllers corresponding to the plurality of user pipes communicated with each main pipeline are electrically connected with the corresponding secondary controllers, and the plurality of secondary controllers are electrically connected with the main controller.
The beneficial effects of the above technical scheme are that: when a user needs to use steam, a corresponding flow demand is input through the corresponding user terminal controller, at the moment, the user terminal controller sends an instruction to the corresponding secondary controller and sends the instruction to the main controller through the secondary controller, at the moment, the main controller, the corresponding secondary controller and the corresponding user terminal controller can control the corresponding first flow valve, the second flow valve and the third flow valve to be conducted, and respectively adjust the opening and closing amounts of the first flow valve, the second flow valve and the third flow valve to meet the steam using demand of the user, and when any user pipe does not need steam, the main controller, the corresponding secondary controller and the corresponding user terminal controller control the corresponding passage to be kept closed, so that the reasonable distribution of steam delivery can be realized, and the heat waste can be avoided.
In the technical scheme, each branch pipeline is communicated with one user pipe.
The beneficial effects of the above technical scheme are that: therefore, the condition that the air pressure and the flow rate of the corresponding user pipes on each branch pipeline are insufficient to meet the requirements of customers can be avoided.
In the above technical scheme, each user pipeline is further provided with a first temperature measuring device and a first pressure measuring device, and each first temperature measuring device and each first pressure measuring device are electrically connected with the corresponding user terminal controller.
The beneficial effects of the above technical scheme are that: therefore, the pressure and the temperature of the steam delivered by the user pipe can be conveniently known by a user and power plant personnel through the user terminal controller and the main controller respectively.
In the technical scheme, a second temperature measuring device and a second pressure measuring device are arranged at a steam outlet of the steam generating device, and the second temperature measuring device and the second pressure measuring device are electrically connected with the main controller.
The beneficial effects of the above technical scheme are that: therefore, users and power plant personnel can conveniently know the steam pressure and the temperature at the steam outlet of the steam generating device through the user terminal controller and the main controller respectively.
In the above technical solution, the first temperature measuring device and the second temperature measuring device are both temperature sensors.
The beneficial effects of the above technical scheme are that: the measurement accuracy is high.
In the above technical solution, the first pressure measuring device and the second pressure measuring device are both pressure sensors.
The beneficial effects of the above technical scheme are that: the measurement accuracy is high.
In the technical scheme, each user pipe is also provided with a steam metering device, and each steam metering device is electrically connected with the corresponding user terminal controller.
The beneficial effects of the above technical scheme are that: the actual steam consumption of each user can thus be calibrated by means of the steam metering device.
In the technical scheme, the secondary controller is an industrial personal computer.
The beneficial effects of the above technical scheme are that: the reliability is strong, and the performance of resisting severe environment is good.
In the technical scheme, the user terminal controller is a single chip microcomputer.
The beneficial effects of the above technical scheme are that: it has low cost.
In the technical scheme, the main controller is a computer.
The beneficial effects of the above technical scheme are that: the calculation power is large, and the data processing capability is strong.
Drawings
Fig. 1 is a schematic diagram of a thermal output system of a power plant according to an embodiment of the present invention.
In the figure: the system comprises a main controller 1, a main pipeline 2, a third flow valve 21, a secondary controller 3, a user terminal controller 4, a steam generating device 5, a second temperature measuring device 51, a second pressure measuring device 52, a branch pipeline 6, a second flow valve 61, a user pipe 7, a first flow valve 71, a first temperature measuring device 72, a first pressure measuring device 73 and a steam metering device 74.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the utility model.
As shown in fig. 1, this embodiment provides a thermal output system of a power plant, which includes a main controller 1, a plurality of main pipelines 2, a plurality of secondary controllers 3, and a plurality of user terminal controllers 4, where air inlets of the main pipelines 2 are all connected and communicated with a steam outlet of a steam generating device 5 of the power plant, an air outlet of each main pipeline 2 is connected and communicated with a plurality of branch pipelines 6, an air outlet of each branch pipeline 6 is communicated with air inlets of a plurality of user pipes 7, each user pipe 7 is provided with a first flow valve 71, each branch pipeline 6 is provided with a second flow valve 61, each main pipeline 2 is provided with a third flow valve 21, the plurality of user terminal controllers 4 are in one-to-one correspondence with the plurality of first flow valves 71, each first flow valve 71 is electrically connected with the corresponding user terminal controller 4, the plurality of secondary controllers 3 are in one-to-one correspondence with the plurality of main pipelines 2, the second flow valves 61 on the plurality of branch pipelines 6 corresponding to each main pipeline 2 are electrically connected with the corresponding secondary controllers 3, the plurality of third flow valves 21 are electrically connected with the main controller 1, the user terminal controllers 4 corresponding to the plurality of user pipes 7 communicated with each main pipeline 2 are electrically connected with the corresponding secondary controllers 3, and the plurality of secondary controllers 3 are electrically connected with the main controller 1, so that when a user needs to use steam, corresponding flow demands are input through the corresponding user terminal controllers, the user terminal controllers send instructions to the corresponding secondary controllers and send the instructions to the main controller through the secondary controllers, and at the moment, the main controller, the corresponding secondary controllers and the corresponding user terminal controllers control can control the corresponding first flow valves, the second flow valves and the third flow valves to be conducted, and the opening and closing amounts of the first flow valve, the second flow valve and the third flow valve are respectively regulated to meet the steam utilization requirements of customers, and when any user pipe does not need steam utilization, the corresponding passages are controlled to be kept closed by the main controller, the corresponding secondary controller and the corresponding user terminal controller, so that the reasonable distribution of steam delivery can be realized, and the heat waste can be avoided.
In the technical scheme, each branch pipeline 6 is communicated with 4-8 user pipes 7, so that the condition that the air pressure and the flow rate of the corresponding user pipes on each branch pipeline are insufficient to meet the requirements of customers can be avoided.
In the above technical solution, each of the user pipes 7 is further provided with a first temperature measuring device 72 and a first pressure measuring device 73, and each of the first temperature measuring device 72 and the first pressure measuring device 73 is electrically connected to the corresponding user terminal controller 4, so that a user and a power plant worker can conveniently know the pressure and temperature of steam delivered by the user pipe through the user terminal controller and the main controller.
In the technical scheme, a second temperature measuring device 51 and a second pressure measuring device 52 are arranged at the steam outlet of the steam generating device 5, and the second temperature measuring device 51 and the second pressure measuring device 52 are electrically connected with the main controller 1, so that a user and a power plant worker can conveniently know the steam pressure and the temperature at the steam outlet of the steam generating device through a user terminal controller and the main controller respectively. Wherein the dashed lines in fig. 1 represent electrical connection lines.
In the above technical solution, the first temperature measuring device 72 and the second temperature measuring device 51 are both temperature sensors, and the measurement accuracy is high.
In the above technical solution, the first pressure measuring device 73 and the second pressure measuring device 52 are both pressure sensors, and the measurement accuracy is high.
In the above technical solution, each user pipe 7 is further provided with a steam metering device 74, and each steam metering device 74 is electrically connected with the corresponding user terminal controller 4, so that the actual steam consumption of each user can be calibrated through the steam metering device.
In the technical scheme, the secondary controller 3 is an industrial personal computer (arranged in an outdoor cabinet), and has strong reliability and good severe environment resistance.
In the technical scheme, the user terminal controller 4 is a single chip microcomputer and is low in cost, and the user terminal controller is provided with a human-computer interaction interface.
In the technical scheme, the main controller 1 is a computer (arranged in a control room of a power plant), and has large computing power and strong data processing capacity.
The principle of the utility model is as follows: when the user pipes corresponding to a certain main pipeline do not need steam, the main controller can control the third flow valves on the corresponding main pipelines to be closed, and meanwhile, the second flow valves of the branch pipelines communicated with the main pipeline and the third flow valves on the user pipes are all closed; when only part of the user pipes corresponding to the branch pipes on a plurality of branch pipes corresponding to a certain main pipe need steam, the third flow valve on the main pipe is opened, the first flow valve of the user pipe needed by the steam and the second flow valve on the corresponding branch pipe are all opened, and the rest user pipes not needed by the steam and the second flow valves on the branch pipes not needed by the steam are all closed. Therefore, the waste of steam and the loss of heat are avoided, and meanwhile, the opening and closing amounts of the first flow valve, the second flow valve and the third flow valve on the corresponding passages can be adjusted according to the steam demand of each user pipe, so that the steam in the steam passages can be reasonably distributed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (10)
1. The power plant heat output system is characterized by comprising a main controller (1), a plurality of main pipelines (2), a plurality of secondary controllers (3) and a plurality of user terminal controllers (4), wherein air inlets of the main pipelines (2) are connected and communicated with a steam outlet of a steam generating device (5) of a power plant, an air outlet end of each main pipeline (2) is connected and communicated with a plurality of branch pipelines (6), an air outlet end of each branch pipeline (6) is communicated with air inlet ends of a plurality of user pipes (7), each user pipe (7) is provided with a first flow valve (71), each branch pipeline (6) is provided with a second flow valve (61), each main pipeline (2) is provided with a third flow valve (21), and the plurality of user terminal controllers (4) are in one-to-one correspondence with the first flow valves (71), each first flow valve (71) is electrically connected with the corresponding user terminal controller (4), the secondary controllers (3) are in one-to-one correspondence with the main pipelines (2), the second flow valves (61) on the branch pipelines (6) corresponding to each main pipeline (2) are electrically connected with the corresponding secondary controllers (3), the third flow valves (21) are electrically connected with the main controller (1), the user terminal controllers (4) corresponding to the user pipes (7) communicated with each main pipeline (2) are electrically connected with the corresponding secondary controllers (3), and the secondary controllers (3) are electrically connected with the main controller (1).
2. A power plant thermal output system according to claim 1, wherein 4-8 user pipes (7) are connected to each of the branch pipes (6).
3. A power plant thermal output system according to claim 1, wherein each of the user pipes (7) is further provided with a first temperature measuring device (72) and a first pressure measuring device (73), and each of the first temperature measuring device (72) and the first pressure measuring device (73) is electrically connected to the corresponding user terminal controller (4).
4. A power plant thermal output system according to claim 3, characterized in that a second temperature measuring device (51) and a second pressure measuring device (52) are provided at a steam outlet of the steam generating device (5), and the second temperature measuring device (51) and the second pressure measuring device (52) are both electrically connected to the main controller (1).
5. A power plant thermal output system according to claim 4, wherein the first temperature measurement device (72) and the second temperature measurement device (51) are both temperature sensors.
6. A power plant thermal output system according to claim 4, wherein the first pressure measurement device (73) and the second pressure measurement device (52) are both pressure sensors.
7. A power plant thermal output system according to claim 1, wherein each of the user pipes (7) is further provided with a steam metering device (74), and each of the steam metering devices (74) is electrically connected to the corresponding user terminal controller (4).
8. A power plant thermal output system according to claim 1, wherein the secondary controller (3) is an industrial control computer.
9. A power plant thermal output system according to claim 1, wherein the user terminal controller (4) is a single chip microcomputer.
10. A power plant thermal output system according to claim 1, wherein the main controller (1) is a computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220477795.5U CN216976528U (en) | 2022-03-07 | 2022-03-07 | Power plant heat output system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220477795.5U CN216976528U (en) | 2022-03-07 | 2022-03-07 | Power plant heat output system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216976528U true CN216976528U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220477795.5U Active CN216976528U (en) | 2022-03-07 | 2022-03-07 | Power plant heat output system |
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| Country | Link |
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| CN (1) | CN216976528U (en) |
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- 2022-03-07 CN CN202220477795.5U patent/CN216976528U/en active Active
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