CN112130519A - Automatic monitoring and pollution discharging device of high-temperature sampling frame and working method of automatic monitoring and pollution discharging device - Google Patents
Automatic monitoring and pollution discharging device of high-temperature sampling frame and working method of automatic monitoring and pollution discharging device Download PDFInfo
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- CN112130519A CN112130519A CN202011158601.7A CN202011158601A CN112130519A CN 112130519 A CN112130519 A CN 112130519A CN 202011158601 A CN202011158601 A CN 202011158601A CN 112130519 A CN112130519 A CN 112130519A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
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Abstract
The invention discloses an automatic monitoring and sewage discharging device of a high-temperature sampling frame and a working method thereof, wherein each sewage discharging branch comprises a sewage input pipeline, a sewage main pipeline and a sewage discharging pipeline, the sewage input pipeline is communicated with the sewage main pipeline and the sewage discharging pipeline, a main pipeline electric slow-opening needle type valve is arranged on the sewage main pipeline, a sewage discharging pipeline electric slow-opening needle type valve and a valve tightness monitoring device are sequentially arranged on the sewage discharging branch along the sewage flowing direction, a control and alarm system is connected with the main pipeline electric slow-opening needle type valve, the sewage discharging pipeline electric slow-opening needle type valve and the valve tightness monitoring device, and the device and the working method thereof have the advantages of lower operation difficulty, lower leakage risk and lower requirement on operators.
Description
Technical Field
The invention belongs to the technical field of mechanical engineering, and relates to an automatic monitoring and pollution discharge device of a high-temperature sampling frame and a working method thereof.
Background
In the steam-water sampling system of the power plant, after water samples are taken out from corresponding pipelines on the furnace side and the machine side, the water samples enter a high-temperature sampling room through a primary isolation door to be subjected to primary cooling, pollution discharge and secondary cooling and then are sent into a low-temperature instrument room to be subjected to online real-time measurement. In prior art, because the water sample after the one-level cooling of high temperature sample frame is still very high in temperature, for the accuracy of water sample transport to instrument measurement group analysis, at this moment the primary door, secondary door and the blowdown door on the high temperature sample frame often need the personnel on duty to operate, need the blowdown ten times a day even when the unit starts, the valve operation degree of difficulty is very high, and the leakage risk is very big simultaneously, and is higher to operation personnel's requirement.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the automatic monitoring and sewage draining device for the high-temperature sampling frame and the working method thereof.
In order to achieve the purpose, the automatic monitoring and sewage draining device of the high-temperature sampling frame comprises a control and alarm system and a plurality of sewage draining branches, wherein each sewage draining branch comprises a sewage input pipeline, a sewage main pipeline and a sewage draining pipeline, the sewage input pipeline is communicated with the sewage main pipeline and the sewage draining pipeline, a main pipeline electric slow-opening needle valve is arranged on the sewage main pipeline, a sewage draining pipeline electric slow-opening needle valve and a valve tightness monitoring device are sequentially arranged on the sewage draining branches along the sewage flowing direction, and the control and alarm system is connected with the main pipeline electric slow-opening needle valve, the sewage draining pipeline electric slow-opening needle valve and the valve tightness monitoring device.
The automatic slow-opening needle type valve is characterized by further comprising an electromagnetic valve control box, wherein the electric slow-opening needle type valve of the sewage draining pipeline and the valve tightness monitoring device are located in the electromagnetic valve control box.
The device also comprises an upper computer, wherein the control and alarm system is connected with the upper computer.
The electric slow-opening needle type valve of the sewage discharge pipeline and the electric slow-opening needle type valve of the main pipeline both comprise an electric slow-opening controller and a high-temperature high-pressure needle type valve, wherein the electric slow-opening controller is connected with the control end of the high-temperature high-pressure needle type valve and a control and alarm system.
The intelligent control system comprises a main pipeline electric slow-opening needle type valve, a sewage pipeline electric slow-opening needle type valve and a valve tightness monitoring device rod, and is characterized by also comprising a fixed frame, wherein the fixed frame comprises a stainless steel main body support, a shunt bracket and a cable frame;
the cable frame is provided with a wiring groove box, the control and alarm system is connected with the main pipeline electric slow-open needle valve, the sewage pipeline electric slow-open needle valve and the valve tightness monitoring device through connecting wires, and the connecting wires penetrate through the wiring groove box.
The working method of the automatic monitoring and pollution discharge device of the high-temperature sampling frame comprises the following steps:
the control and alarm system utilizes the main flow path electric slow-opening needle valve on each branch, the sewage discharge pipeline electric slow-opening needle valve and the valve tightness monitoring device to sequentially discharge sewage on each branch, wherein the sewage discharge process on each branch comprises the following steps:
closing the main pipeline electric slow-opening needle type valve, opening the sewage discharge pipeline electric slow-opening needle type valve, starting sewage discharge for a second preset time when the control and alarm system receives full-opening feedback of the sewage discharge pipeline electric slow-opening needle type valve within a first preset time, otherwise, indicating that the sewage discharge pipeline electric slow-opening needle type valve is in fault, and generating a fault alarm signal to remind an operator to check; after the blowdown is finished, the control and alarm system closes the electric slow open needle type valve of the blowdown pipeline, when the control and alarm system receives full-close feedback of the electric slow open needle type valve of the blowdown pipeline within a third preset time, the control and alarm system waits for a fourth preset time, then the valve tightness monitoring device is detected, and when the control and alarm system does not receive full-close feedback of the electric slow open needle type valve of the blowdown pipeline within a fifth preset time, the electric slow open needle type valve of the blowdown pipeline is indicated to be in fault, and a fault alarm signal is generated to remind an operator to check; when the valve tightness monitoring device detects that the valve is sealed and qualified, the main flow path electric slow-opening needle type valve is opened, otherwise, a blowdown leakage alarm signal is sent to inform operators;
the preset time of the pollution discharge period of each branch is 20 min.
The invention has the following beneficial effects:
when the automatic monitoring and sewage draining device of the high-temperature sampling frame and the working method thereof are operated specifically, the purposes of draining and closing a sewage draining branch are sequentially achieved by using the main pipeline electric slow-opening needle type valve, the sewage draining pipeline electric slow-opening needle type valve and the valve tightness monitoring device through the control and alarm system, whether a fault occurs in the sewage draining process is judged according to signals fed back by the sewage draining pipeline electric slow-opening needle type valve and the valve tightness monitoring device, and when the fault occurs, a fault alarm signal is generated to inform operating personnel, so that the operating economy, the safety and the intelligence of a unit are improved, the operation of the on-duty personnel is reduced, the leakage risk is reduced, the overhauling work of equipment is more targeted, the operating personnel works more safely and more conveniently, and the stability of water quality is guaranteed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a flow chart of the present invention.
Wherein, 1 is the solenoid valve control box, 2 is the fixed frame, 3 is control and alarm system, 4 is blowdown pipeline electronic slow-opening needle type valve, 5 is valve tightness monitoring devices, 6 is main flow path electronic slow-opening needle type valve.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, the automatic monitoring and blowdown device of the high temperature sampling frame of the invention comprises a control and alarm system 3 and a plurality of blowdown branches, wherein each blowdown branch comprises a sewage input pipeline, a sewage main pipeline and a blowdown pipeline, the sewage input pipeline is communicated with the sewage main pipeline and the blowdown pipeline, a main pipeline electric slow-opening needle valve 6 is arranged on the sewage main pipeline, a blowdown pipeline electric slow-opening needle valve 4 and a valve tightness monitoring device 5 are sequentially arranged on the blowdown branches along the sewage flow direction, and the control and alarm system 3 is connected with the main pipeline electric slow-opening needle valve 6, the blowdown pipeline electric slow-opening needle valve 4 and the valve tightness monitoring device 5.
The invention also comprises an electromagnetic valve control box 1, wherein the electric slow-opening needle valve 4 of the sewage discharge pipeline and a valve tightness monitoring device 5 are positioned in the electromagnetic valve control box 1.
The invention also comprises an upper computer, wherein the control and alarm system 3 is connected with the upper computer.
The electric slow-opening needle valve 4 of the sewage pipeline and the electric slow-opening needle valve 6 of the main pipeline both comprise an electric slow-opening controller and a high-temperature high-pressure needle valve, wherein the electric slow-opening controller is connected with the control end of the high-temperature high-pressure needle valve and the control and alarm system 3.
The invention also comprises a fixed frame 2, wherein the fixed frame 2 comprises a stainless steel main body support, a shunt bracket and a cable frame, a control and alarm system 3 is fixed on the stainless steel main body support, and a main flow path electric slow-opening needle type valve 6, a sewage pipeline electric slow-opening needle type valve 4 and a valve tightness monitoring device 5 are fixed on the shunt bracket; the cable frame is provided with a wiring groove box, the control and alarm system 3 is connected with the main pipeline electric slow-open needle valve 6, the sewage pipeline electric slow-open needle valve 4 and the valve tightness monitoring device 5 through connecting wires, and the connecting wires penetrate through the wiring groove box.
Referring to fig. 2, the working method of the automatic monitoring and sewage discharging device of the high-temperature sampling frame of the invention comprises the following steps:
the control and alarm system 3 utilizes the main flow path electric slow-open needle valve 6, the sewage discharge pipeline electric slow-open needle valve 4 and the valve tightness monitoring device 5 on each branch to discharge sewage in turn, wherein the sewage discharge process on each branch comprises the following steps:
closing the main pipeline electric slow-opening needle type valve 6, opening the sewage discharge pipeline electric slow-opening needle type valve 4, starting sewage discharge for 5min when the control and alarm system 3 receives full-opening feedback of the sewage discharge pipeline electric slow-opening needle type valve 4 within 2min, otherwise, indicating that the sewage discharge pipeline electric slow-opening needle type valve 4 is in fault, and generating a fault alarm signal to remind an operator to check; after the sewage discharge is finished, the control and alarm system 3 closes the electric slow open needle type valve 4 of the sewage discharge pipeline, when the control and alarm system 3 receives the full-close feedback of the electric slow open needle type valve 4 of the sewage discharge pipeline within 2 minutes, the control and alarm system waits for 1min, then the valve tightness monitoring device 5 is used for checking whether the electric slow open needle type valve 4 of the sewage discharge pipeline is tightly closed or not, when the control and alarm system 3 does not receive the full-close feedback of the electric slow open needle type valve 4 of the sewage discharge pipeline within 2min, the electric slow open needle type valve 4 of the sewage discharge pipeline is in fault, and a fault alarm signal is generated to remind an operator to check; when the valve tightness monitoring device 5 detects that the valve is sealed and qualified, the main flow path electric slow-opening needle valve 6 is opened, otherwise, the blow-off leakage is indicated, and a blow-off internal leakage alarm signal is sent to an operator;
the preset time of the pollution discharge period of one branch is 20 min.
Claims (7)
1. The utility model provides a high temperature sample frame automatic monitoring waste fitting discharging, a serial communication port, including control and alarm system (3) and a plurality of blowdown branch road, wherein, each blowdown branch road all includes sewage input pipeline, sewage main line and blowdown pipeline, wherein, sewage input pipeline is linked together with sewage main line and blowdown pipeline, be provided with main line electronic slow-open needle type valve (6) on the sewage main line, blowdown is provided with electronic slow-open needle type valve (4) of blowdown pipeline and valve tightness monitoring devices (5) along sewage flow direction in proper order on the bypass, wherein, control and alarm system (3) are connected with main line electronic slow-open needle type valve (6), blowdown pipeline electronic slow-open needle type valve (4) and valve tightness monitoring devices (5).
2. The automatic monitoring and blowdown device for the high temperature sampling rack according to claim 1, further comprising a solenoid valve control box (1), wherein the blowdown pipeline electric slow-opening needle valve (4) and the valve tightness monitoring device (5) are located in the solenoid valve control box (1).
3. The automatic monitoring and pollution discharge device of the high-temperature sampling frame according to claim 1, further comprising an upper computer, wherein the control and alarm system (3) is connected with the upper computer.
4. The automatic monitoring and blowdown device of the high temperature sampling rack according to claim 1, wherein the blowdown pipeline electric slow-opening needle valve (4) and the main pipeline electric slow-opening needle valve (6) comprise an electric slow-opening controller and a high temperature and high pressure needle valve, wherein the electric slow-opening controller is connected with the control end of the high temperature and high pressure needle valve and the control and alarm system (3).
5. The automatic monitoring and pollution discharge device of the high-temperature sampling frame according to claim 1, further comprising a fixed frame (2), wherein the fixed frame (2) comprises a stainless steel main body support, a shunt support and a cable frame, the control and alarm system (3) is fixed on the stainless steel main body support, and the main pipeline electric slow-opening needle valve (6), the pollution discharge pipeline electric slow-opening needle valve (4) and the valve tightness monitoring device (5) are fixed on the shunt support;
the cable frame is provided with a wiring groove box, the control and alarm system (3) is connected with the main pipeline electric slow-opening needle type valve (6), the sewage pipeline electric slow-opening needle type valve (4) and the valve tightness monitoring device (5) through connecting wires, and the connecting wires penetrate through the wiring groove box.
6. The working method of the automatic monitoring pollution discharge device of the high-temperature sampling frame as claimed in claim 1 is characterized by comprising the following steps:
the control and alarm system (3) utilizes the main flow path electric slow-open needle valve (6), the sewage discharge pipeline electric slow-open needle valve (4) and the valve tightness monitoring device (5) on each branch to discharge sewage of each branch in turn, wherein the sewage discharge process on each branch comprises the following steps:
closing the main pipeline electric slow-opening needle type valve (6), opening the sewage pipeline electric slow-opening needle type valve (4), starting sewage discharge for a second preset time when the control and alarm system (3) receives full-opening feedback of the sewage pipeline electric slow-opening needle type valve (4) within a first preset time, otherwise, indicating that the sewage pipeline electric slow-opening needle type valve (4) is in fault, and generating a fault alarm signal to remind an operator to check; after the sewage discharge is finished, the control and alarm system (3) closes the electric slow open needle type valve (4) of the sewage discharge pipeline, when the control and alarm system (3) receives full-close feedback of the electric slow open needle type valve (4) of the sewage discharge pipeline within third preset time, the fourth preset time is waited, then a valve tightness monitoring device (5) is detected, when the control and alarm system (3) does not receive full-close feedback of the electric slow open needle type valve (4) of the sewage discharge pipeline within fifth preset time, the electric slow open needle type valve (4) of the sewage discharge pipeline is indicated to be in fault, and a fault alarm signal is generated to remind an operator to check; when the valve tightness monitoring device (5) detects that the valve is sealed to be qualified, the main flow path electric slow-opening needle valve (6) is opened, otherwise, a blowdown leakage alarm signal is sent to inform operators when the blowdown leakage is indicated.
7. The working method of the automatic monitoring and sewage discharging device of the high temperature sampling frame according to claim 6, wherein the preset time of the sewage discharging period of each branch is 20 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011158601.7A CN112130519A (en) | 2020-10-26 | 2020-10-26 | Automatic monitoring and pollution discharging device of high-temperature sampling frame and working method of automatic monitoring and pollution discharging device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011158601.7A CN112130519A (en) | 2020-10-26 | 2020-10-26 | Automatic monitoring and pollution discharging device of high-temperature sampling frame and working method of automatic monitoring and pollution discharging device |
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| CN112130519A true CN112130519A (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011158601.7A Pending CN112130519A (en) | 2020-10-26 | 2020-10-26 | Automatic monitoring and pollution discharging device of high-temperature sampling frame and working method of automatic monitoring and pollution discharging device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115875612A (en) * | 2022-11-30 | 2023-03-31 | 华能兰州西固热电有限公司 | Automatic blowdown of high temperature sampling frame of infrared thermal imaging opens and stops system |
-
2020
- 2020-10-26 CN CN202011158601.7A patent/CN112130519A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115875612A (en) * | 2022-11-30 | 2023-03-31 | 华能兰州西固热电有限公司 | Automatic blowdown of high temperature sampling frame of infrared thermal imaging opens and stops system |
| CN115875612B (en) * | 2022-11-30 | 2023-09-19 | 华能兰州西固热电有限公司 | Automatic blowdown start-stop system of high-temperature sampling frame for infrared thermal imaging |
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