CN217403735U - Condenser gas tightness monitoring system - Google Patents
Condenser gas tightness monitoring system Download PDFInfo
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- CN217403735U CN217403735U CN202221099685.6U CN202221099685U CN217403735U CN 217403735 U CN217403735 U CN 217403735U CN 202221099685 U CN202221099685 U CN 202221099685U CN 217403735 U CN217403735 U CN 217403735U
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Abstract
The utility model relates to a condenser gas tightness monitoring system, this condenser gas tightness monitoring system includes: the device comprises vacuumizing equipment and a detection assembly; the vacuumizing equipment is provided with a suction pipe and an exhaust pipe, and the suction pipe is used for being connected with a condenser; the detection assembly comprises a heating device, a thermal flowmeter, a first temperature detector, a humidity detector and a pressure detector; heating device, thermal type flowmeter, first thermodetector, moisture detector and pressure detector all connect on the blast pipe, and heating device is located the exhaust upstream of blast pipe, and thermal type flowmeter, first thermodetector, moisture detector and pressure detector are located the exhaust downstream of blast pipe. This condenser gas tightness monitoring system can heat the mixture of noncondensable gas and steam through the heating device who sets up to improve the whole humidity of the mixture of noncondensable gas and steam, reduce the relative humidity difference, thereby guarantee the accuracy of monitoring.
Description
Technical Field
The utility model relates to a condenser gas tightness detects technical field, specifically relates to a condenser gas tightness monitoring system.
Background
The vacuum degree in the condenser is one of important factors influencing the gas consumption of the turbine, and when the vacuum degree in the condenser is reduced, the efficiency of the whole unit is reduced, and the power generation is influenced.
At present, the vacuum degree of the condenser is detected, the limit load of a steam turbine unit needs to be reduced, the condenser is shut down to be detected, the operation is complex, the normal operation of the unit can be interfered, and the normal power generation is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a condenser gas tightness monitoring system to solve the inconvenient problem of vacuum detection to the condenser.
In order to realize above-mentioned purpose, this disclosure provides a condenser gas tightness monitoring system, includes: the device comprises vacuumizing equipment and a detection assembly;
the vacuumizing equipment is provided with a suction pipe and an exhaust pipe, and the suction pipe is used for being connected with a condenser;
the detection assembly comprises a heating device, a thermal type flowmeter, a first temperature detector, a humidity detector and a pressure detector; the heating device, the thermal flowmeter, the first temperature detector, the humidity detector and the pressure detector are respectively connected to the exhaust pipe, the heating device is located at the upstream of exhaust of the exhaust pipe, the thermal flowmeter, the first temperature detector, the humidity detector and the pressure detector are located at the downstream of exhaust of the exhaust pipe, the heating device is used for heating gas in the exhaust pipe, the thermal flowmeter is used for detecting the flow rate of the gas in the exhaust pipe, the first temperature detector is used for detecting the temperature of the gas in the exhaust pipe, the humidity detector is used for detecting the humidity of the gas in the exhaust pipe, and the pressure detector is used for detecting the pressure of the gas in the exhaust pipe.
Optionally, the detection assembly further includes a data processing device, and the thermal type flow meter, the first temperature detector, the humidity detector and the pressure detector are electrically connected to the data processing device respectively.
Optionally, the detection assembly further comprises a heat insulation sleeve, the heat insulation sleeve is sleeved on the exhaust pipe and the heating device, and the detection ends of the thermal type flowmeter, the first temperature detector, the humidity detector and the pressure detector respectively penetrate through the heat insulation sleeve and extend into the exhaust pipe.
Optionally, the exhaust pipe includes a vertical section and a horizontal section, a first end of the vertical section is used for gas to enter, a second end of the vertical section is connected with a first end of the horizontal section, a second end of the horizontal section is used for discharging gas to the atmosphere, and the heating device and the heat-insulating sleeve are connected on the horizontal section.
Optionally, the detection assembly further includes a second temperature detector and a controller, the second temperature detector is connected to the vertical section, the second temperature detector is used for detecting the temperature of the gas in the vertical section, the second temperature detector and the heating device are respectively electrically connected to the controller, and the controller is used for controlling the heating temperature of the heating device according to the temperature detected by the second temperature detector.
Optionally, heating device includes barrel, temperature control module, temperature detection module and a plurality of electric heating element, every electric heating element is connected on the inside wall of barrel, and a plurality of electric heating element is the annular and distributes, temperature control module with temperature detection module all connects on the lateral wall of barrel, every electric heating element all with temperature detection module connects, temperature detection module is used for detecting every the temperature of electric heating element, temperature detection module with the temperature control module electricity is connected.
Optionally, the electric heating element is a constant temperature electric tracing band.
Optionally, evacuation equipment includes air pump, connecting pipe and vapour and liquid separator, the suction tube is connected the input of air pump, the connecting pipe is connected the output of air pump, vapour and liquid separator has introduction port and gas vent, the connecting pipe is kept away from the one end of air pump with the introduction port is connected, the blast pipe with the gas vent is connected.
Optionally, evacuation equipment still includes the overflow pipe, the overflow pipe includes feed liquor section, U-shaped section and flowing back section, the feed liquor section with the flowing back section is connected respectively the both ends of U-shaped section, vapour and liquid separator has the overflow mouth, the feed liquor section is kept away from the one end of U-shaped section with the overflow mouth is connected.
Optionally, the number of the exhaust pipes is at least two, each exhaust pipe is provided with a switch valve, and each exhaust pipe is provided with the detection assembly.
Through above-mentioned technical scheme, can heat the mixture of noncondensable gas and vapor through the heating device who sets up to improve the whole humidity of the mixture of noncondensable gas and vapor, reduce the relative humidity difference, thereby guarantee the accuracy of monitoring. The thermal flowmeter has the advantages of failure in throttling loss, wide measurement range and capability of improving the detection precision. Through the thermal type flowmeter who sets up first thermodetector the moisture detector with flow, temperature, humidity and the pressure data that the thermodetector detected respectively can calculate the vacuum of condenser, and avoided direct great problem of error to the vacuum detection of condenser to appear.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure, but do not constitute a limitation of the disclosure. In the drawings:
fig. 1 is a schematic structural diagram of a condenser airtightness monitoring system according to an embodiment of the present disclosure;
FIG. 2 is a cross-sectional view in one direction of a heating device according to one embodiment of the present disclosure;
FIG. 3 is a cross-sectional view of another orientation of a heating device according to an embodiment of the present disclosure;
fig. 4 is a schematic structural view of a condenser airtightness monitoring system according to another embodiment of the present disclosure.
Description of the reference numerals
1. The device comprises a heating device, 2, a heat preservation sleeve, 3, a thermal type flowmeter, 4, a first temperature detector, 5, a humidity detector, 6, a pressure detector, 7, data processing equipment, 8, an exhaust pipe, 9, a gas-liquid separator, 10, an overflow pipe, 11, a connecting pipe, 12, an air pump, 13, a cylinder, 14, a temperature control module, 15, a temperature detection module, 16, an electric heating element, 17, a second temperature detector, 18, a suction pipe, 19 and a switch valve.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, unless otherwise specified, the use of directional terms such as "upper, lower, left, and right" are generally defined in the direction of the drawing plane of the drawings, and "inner and outer" refer to the inner and outer of the relevant component parts. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present disclosure, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.
The vacuum degree in the condenser is one of important factors influencing the gas consumption of the turbine, and when the vacuum degree in the condenser is reduced, the efficiency of the whole unit is reduced, and the power generation is influenced. Specific tests show that the steam consumption of a steam turbine can be increased by 1.5-2.5% and the coal consumption of a generator can be increased by 0.25% every time the vacuum degree of the condenser is reduced by 1kPa, so that the efficiency of a steam turbine unit is reduced. In addition, after air leaks into the condenser, condensed water-soluble oxygen is unqualified, and the safe operation of the turbine unit is influenced.
In order to maintain the vacuum degree of the condenser, sufficient circulating cooling water is adopted to cool steam discharged from a low-pressure cylinder of the steam turbine into the condenser, and non-condensable gas in the condenser is required to be extracted, wherein the non-condensable gas is mainly leaked air. The extracted gas is a mixture of water vapor and non-condensable gas, and the accuracy of directly measuring the flow is low because the humidity of the mixture of the water vapor and the non-condensable gas is large in change.
To this end, as shown in fig. 1-4, the present disclosure provides a condenser airtightness monitoring system, including: the device comprises vacuumizing equipment and a detection assembly;
the vacuumizing equipment is provided with a suction pipe 18 and an exhaust pipe 8, and the suction pipe 18 is used for being connected with a condenser;
the detection assembly comprises a heating device 1, a thermal type flowmeter 3, a first temperature detector 4, a humidity detector 5 and a pressure detector 6; heating device 1, thermal type flowmeter 3, first thermodetector 4, moisture detector 5 and pressure detector 6 are connected respectively on blast pipe 8, heating device 1 is located the exhaust upstream of blast pipe 8, thermal type flowmeter 3, first thermodetector 4, moisture detector 5 and pressure detector 6 are located the exhaust downstream of blast pipe 8, heating device 1 is used for heating the gas in blast pipe 8, thermal type flowmeter 3 is used for detecting the flow of gas in blast pipe 8, first thermodetector 4 is used for detecting the temperature of gas in blast pipe 8, moisture detector 5 is used for detecting the humidity of gas in blast pipe 8, pressure detector 6 is used for detecting the pressure of gas in blast pipe 8.
Wherein, evacuation equipment is used for taking out the noncondensable gas in the condenser, and the noncondensable gas in the condenser is extracted through suction pipe 18, then discharges through blast pipe 8.
Wherein, heating device 1 is arranged in heating the mixture of noncondensable gas and vapor in blast pipe 8 for moisture evaporation is gaseous phase state, increases the whole humidity of the mixture of noncondensable gas and vapor, makes the relative humidity difference reduce, thereby guarantees that the humidity difference of extracting exhaust mixture at every turn is little, does benefit to improve and detects the accuracy.
Wherein, the mixture of the non-condensable gas and the water vapor is required to pass through the heating action of the heating device 1, then flows to the thermal type flow meter 3, the first temperature detector 4, the humidity detector 5 and the pressure detector 6, and then detects the flow rate, the temperature, the humidity and the pressure by the thermal type flow meter.
The thermal flowmeter 3 has the advantages of relatively low throttling loss and capability of detecting small flow, and can improve the accuracy of flow detection.
Among the above-mentioned technical scheme, heating device 1 through setting up can heat the mixture of incondensable gas and steam to improve the whole humidity of the mixture of incondensable gas and steam, reduce the relative humidity difference, thereby guarantee the accuracy of continuous monitoring. The thermal flowmeter 3 is ineffective in throttling loss, wide in measurement range and capable of improving detection precision. The vacuum degree of the condenser can be calculated through flow, temperature, humidity and pressure data respectively detected by the thermal flowmeter 3, the first temperature detector 4, the humidity detector 5 and the pressure detector 6, and the problem that the error is large when the vacuum degree of the condenser is directly detected is avoided.
Optionally, in an embodiment of the present disclosure, the detection assembly further includes a data processing device 7, and the thermal type flow meter 3, the first temperature detector 4, the humidity detector 5, and the pressure detector 6 are electrically connected to the data processing device 7, respectively.
In the present embodiment, the data processing device 7 is configured to perform data conversion on the flow rate data detected by the thermal flowmeter 3, the temperature data detected by the first temperature detector 4, the humidity data detected by the humidity detector 5, and the pressure data detected by the pressure detector 6, and calculate the vacuum degree of the condenser from the flow rate data, the temperature data, the humidity data, and the pressure data. Specifically, the data processing device 7 is an existing device, and may be a computer or the like. The data processing device 7 can also display the vacuum degree data of the condenser under the current working condition so as to be known by patrol personnel. The vacuum degree of the condenser may be manually calculated from the detected flow rate, temperature, humidity, and pressure data.
Data and formulas are stored in the data processing device 7 in advance, the formulas comprise calculation formulas of dry air flow values sucked by a steam turbine, a condenser and the like, and the data comprise corresponding relation curves or multiple groups of data of the dry air flow values and vacuum tightness performance data. It should be noted that, the method for calculating the vacuum degree of the condenser by detecting the air flow discharged by the vacuum pumping equipment is prior art and known to those skilled in the art, and therefore, redundant description is omitted here.
Specifically, the thermal flowmeter 3 detects the flow data, transmits the flow data to the data processing device 7, and the data processing device 7 performs conversion processing. After the first temperature detector 4 detects the temperature data, the temperature data is transmitted to the data processing device 7, and the data processing device 7 performs conversion processing. After detecting the humidity data, the humidity detector 5 transmits the humidity data to the data processing device 7, and the data processing device 7 performs conversion processing. The pressure detector 6 detects the pressure data and transmits the pressure data to the data processing device 7, and the data processing device 7 performs conversion processing.
Optionally, in an embodiment of the present disclosure, the detection assembly further includes a thermal insulation sleeve 2, the thermal insulation sleeve 2 is sleeved on the exhaust pipe 8 and the heating device 1, and the detection ends of the thermal flowmeter 3, the first temperature detector 4, the humidity detector 5, and the pressure detector 6 respectively penetrate through the thermal insulation sleeve 2 and extend into the exhaust pipe 8.
Wherein, in this embodiment, the heat preservation 2 is used for keeping warm to blast pipe 8, produces the heat preservation effect, and the mixture of the noncondensable gas after being heated by heating device 1 and steam is in the stable temperature state in humidity blast pipe 8 to humidity also keeps the temperature, can not appear undulantly, thereby has guaranteed the accuracy of detection. Specifically, insulation cover 2 is made by insulation material, and the direct mount cover is on blast pipe 8 to also can produce the heat preservation effect to heating device 1 department, and also can produce the heat preservation effect to thermal type flowmeter 3, first thermodetector 4, moisture detector 5 and pressure detector 6 respectively with the junction of blast pipe 8, guaranteed thermal type flowmeter 3, first thermodetector 4, moisture detector 5 and pressure detector 6's detection effect.
Optionally, in an embodiment of the present disclosure, the exhaust pipe 8 includes a vertical section and a horizontal section, a first end of the vertical section is used for gas to enter, a second end of the vertical section is connected with a first end of the horizontal section, a second end of the horizontal section is used for discharging gas to the atmosphere, and the heating device 1 and the thermal insulation sleeve 2 are connected on the horizontal section.
Wherein, in this embodiment, the mixture of noncondensable gas and steam of evacuation equipment extraction is when the atmosphere is arranged into to needs, earlier through vertical section again through the horizontal segment discharge, when the mixture of noncondensable gas and steam is when passing through vertical section, can dispel the heat to the external environment through the pipe wall of vertical section, make the temperature of the mixture of noncondensable gas and steam reduce, steam wherein can condense into the water droplet and adsorb on the pipe wall of vertical section, and flow downwards under the dead weight effect, and can not enter into in the horizontal segment, thereby the water content of the mixture of noncondensable gas and steam in the horizontal segment has been reduced, make only need a small amount of heating can guarantee whole humidity equilibrium, reduce the relative humidity difference.
Optionally, in an embodiment of the present disclosure, the detecting assembly further includes a second temperature detector 17 and a controller, the second temperature detector 17 is connected to the vertical section, the second temperature detector 17 is configured to detect the temperature of the gas in the vertical section, the second temperature detector 17 and the heating device 1 are respectively electrically connected to the controller, and the controller is configured to control the heating temperature of the heating device 1 according to the temperature detected by the second temperature detector 17.
In the present embodiment, the second temperature detector 17 is capable of detecting the temperature of the mixture of the noncondensable gas and the water vapor in the vertical section, that is, the mixture of the noncondensable gas and the water vapor to be heated by the heating apparatus 1. The controller can control the heating temperature of the mixture of the non-condensable gas and the water vapor by the heating apparatus 1 so that the mixture of the non-condensable gas and the water vapor reaches the target temperature, based on the temperature data detected by the second temperature detector 17. The controller can be a single chip microcomputer and is controlled through a preset threshold value.
Specifically, let the temperature of the mixture of non-condensable gases and water vapor in the vertical section be taken as tg, while the target temperature to be reached by the mixture of non-condensable gases and water vapor in the horizontal section is set to tm ℃, which is set to be 5 ℃ or more higher than tg. Detect through the second temperature detector, then heating device 1 can correspond the temperature of heating the mixture of noncondensable gas and steam according to tg, makes heating device can not the superheating through the technical scheme of this embodiment, also can avoid extravagant resource.
Optionally, in an embodiment of the present disclosure, the heating device 1 includes a barrel 13, a temperature control module 14, a temperature detection module 15, and a plurality of electric heating members 16, each electric heating member 16 is connected to an inner side wall of the barrel 13, and the plurality of electric heating members 16 are distributed in an annular shape, the temperature control module 14 and the temperature detection module 15 are both connected to an outer side wall of the barrel 13, each electric heating member 16 is connected to the temperature detection module 15, the temperature detection module 15 is configured to detect a temperature of each electric heating member 16, and the temperature detection module 15 is electrically connected to the temperature control module 14.
Wherein, in this embodiment, barrel 13 is used for the cover on blast pipe 8, and barrel 13 is used for supporting a plurality of electric heating member 16 simultaneously, and a plurality of electric heating member 16 are annular distribution and also overlap on blast pipe 8 for can carry out annular heating to blast pipe 8, the even degree of heating is high.
In the embodiment, the temperature control module 14 is configured to control the power of the electric heating element 16, so that the electric heating element 16 reaches a specified heating temperature, and the temperature detection module 15 is configured to detect the heating temperature of the electric heating element 16, so that the electric heating element 16 can operate at the specified temperature, and the situation of excessive heating or insufficient heating is avoided.
Alternatively, the temperature detection module 15 may be connected to an outer wall of the exhaust pipe 8 or extend into the exhaust pipe 8 to detect the temperature of the mixture of the non-condensable gas and the water vapor being heated. The heating of the mixture of the non-condensable gas and the water vapor can be ensured to reach the specified target.
Optionally, in one embodiment of the present disclosure, the electric heating element 16 is a constant temperature electric tracing band.
Wherein, in this embodiment, the laminating that constant temperature electric tracing area can be fine is on the outer wall of blast pipe 8, and constant temperature electric tracing area has from the constant temperature function simultaneously, can guarantee the constant temperature heating, can avoid appearing the unstable problem of heating that temperature control module 14 often is controlled and leads to.
Optionally, in an embodiment of the present disclosure, the vacuum pumping apparatus includes an air pump 12, a connecting pipe 11 and a gas-liquid separator 9, the suction pipe 18 is connected to an input end of the air pump 12, the connecting pipe 11 is connected to an output end of the air pump 12, the gas-liquid separator 9 has a sample inlet and an exhaust port, one end of the connecting pipe 11 far away from the air pump 12 is connected to the sample inlet, and the exhaust pipe 8 is connected to the exhaust port.
In the present embodiment, the air pump 12 is used for generating a negative pressure suction effect, and the connection pipe 11 is used for communicating the output end of the air pump 12 with the gas-liquid separator 9, so that the material pumped by the air pump 12 can enter the gas-liquid separator 9 for gas-liquid separation, and the water content is reduced.
In the present embodiment, the mixture of the noncondensable gas and the steam separated by the gas-liquid separator 9 is introduced upward through the exhaust port into the exhaust pipe 8 for discharge into the atmosphere. While the liquid phase separated in the gas-liquid separator 9 may be returned to the condenser. It should be noted that the air pump 12 and the gas-liquid separator 9 are both in the prior art, and the structure thereof will not be described in detail herein.
Optionally, in an embodiment of the present disclosure, the vacuum pumping apparatus further includes an overflow pipe 10, the overflow pipe 10 includes a liquid inlet section, a U-shaped section and a liquid discharge section, the liquid inlet section and the liquid discharge section are respectively connected to two ends of the U-shaped section, the gas-liquid separator 9 has an overflow port, and one end of the liquid inlet section, which is far away from the U-shaped section, is connected to the overflow port.
In the present embodiment, when the liquid level of the liquid phase in the gas-liquid separator 9 is too high, the liquid phase can be discharged from the overflow port, thereby avoiding the problem that the gas-liquid separator 9 cannot perform gas-liquid separation due to too much liquid phase.
In the present embodiment, the overflow pipe 10 is used to guide the liquid discharged through the overflow port so that the liquid phase flows to a predetermined position. And the U-shaped section in the overflow pipe 10 can form the liquid seal, and when the liquid phase stopped to flow in the overflow pipe 10, the liquid phase can be preserved at the U-shaped section, realizes the liquid seal effect, can avoid external gas to enter into gas-liquid separator 9 through overflow pipe 10 and overflow mouth and influence the gas-liquid separation effect to and the influence detects the accuracy to the condenser vacuum.
Optionally, in an embodiment of the present disclosure, the number of the exhaust pipes 8 is at least two, each exhaust pipe 8 is provided with a switch valve 19, and each exhaust pipe 8 is provided with a detection assembly.
Among them, in this embodiment, different emission can be realized to a plurality of blast pipes 8, and the pipe diameter variation in a plurality of blast pipes 8, when evacuation equipment's displacement is little, discharges through the blast pipe 8 of small pipe diameter, and the detection subassembly on the blast pipe 8 on the corresponding little pipe diameter can set up little range to can further improve detection accuracy, realize the pertinence and detect. Specifically, the selection of the exhaust pipes 8 is realized by controlling the opening or closing of each exhaust pipe 8 through the on-off valve 19 on each exhaust pipe 8.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the above embodiments, the various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations will not be further described in the present disclosure.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure as long as it does not depart from the gist of the present disclosure.
Claims (10)
1. The utility model provides a condenser gas tightness monitoring system which characterized in that includes: the device comprises vacuumizing equipment and a detection assembly;
the vacuumizing equipment is provided with a suction pipe and an exhaust pipe, and the suction pipe is used for being connected with a condenser;
the detection assembly comprises a heating device, a thermal type flowmeter, a first temperature detector, a humidity detector and a pressure detector; the heating device, the thermal flowmeter, the first temperature detector, the humidity detector and the pressure detector are respectively connected to the exhaust pipe, the heating device is located at the upstream of exhaust of the exhaust pipe, the thermal flowmeter, the first temperature detector, the humidity detector and the pressure detector are located at the downstream of exhaust of the exhaust pipe, the heating device is used for heating gas in the exhaust pipe, the thermal flowmeter is used for detecting the flow rate of the gas in the exhaust pipe, the first temperature detector is used for detecting the temperature of the gas in the exhaust pipe, the humidity detector is used for detecting the humidity of the gas in the exhaust pipe, and the pressure detector is used for detecting the pressure of the gas in the exhaust pipe.
2. The condenser air tightness monitoring system according to claim 1, wherein the detection assembly further comprises a data processing device, and the thermal type flowmeter, the first temperature detector, the humidity detector and the pressure detector are electrically connected with the data processing device respectively.
3. The condenser air tightness monitoring system according to claim 1, wherein the detection assembly further comprises a heat-insulating sleeve, the heat-insulating sleeve is sleeved on the exhaust pipe and the heating device, and detection ends of the thermal flowmeter, the first temperature detector, the humidity detector and the pressure detector respectively penetrate through the heat-insulating sleeve and extend into the exhaust pipe.
4. The condenser airtightness monitoring system according to claim 3, wherein the exhaust pipe comprises a vertical section and a horizontal section, a first end of the vertical section is used for gas to enter, a second end of the vertical section is connected with a first end of the horizontal section, a second end of the horizontal section is used for gas to be discharged to the atmosphere, and the heating device and the heat insulating sleeve are connected to the horizontal section.
5. The condenser air tightness monitoring system according to claim 4, wherein the detection assembly further comprises a second temperature detector and a controller, the second temperature detector is connected to the vertical section and used for detecting the temperature of the gas in the vertical section, the second temperature detector and the heating device are respectively electrically connected with the controller, and the controller is used for controlling the heating temperature of the heating device according to the temperature detected by the second temperature detector.
6. The condenser airtightness monitoring system according to claim 1, wherein the heating device includes a barrel, a temperature control module, a temperature detection module, and a plurality of electric heating elements, each electric heating element is connected to an inner side wall of the barrel, and the plurality of electric heating elements are annularly distributed, the temperature control module and the temperature detection module are respectively connected to an outer side wall of the barrel, each electric heating element is connected to the temperature detection module, the temperature detection module is configured to detect a temperature of each electric heating element, and the temperature detection module is electrically connected to the temperature control module.
7. The condenser airtightness monitoring system according to claim 6, wherein the electric heating element is a constant-temperature electric tracing band.
8. The condenser airtightness monitoring system according to claim 1, wherein the vacuumizing device comprises an air pump, a connecting pipe and a gas-liquid separator, the suction pipe is connected to an input end of the air pump, the connecting pipe is connected to an output end of the air pump, the gas-liquid separator has an injection port and an exhaust port, one end of the connecting pipe, which is far away from the air pump, is connected to the injection port, and the exhaust pipe is connected to the exhaust port.
9. The condenser airtightness monitoring system according to claim 8, wherein the vacuumizing device further comprises an overflow pipe, the overflow pipe comprises a liquid inlet section, a U-shaped section and a liquid discharge section, the liquid inlet section and the liquid discharge section are respectively connected to two ends of the U-shaped section, the gas-liquid separator is provided with an overflow port, and one end, far away from the U-shaped section, of the liquid inlet section is connected with the overflow port.
10. The condenser air tightness monitoring system according to any one of claims 1 to 9, wherein the number of the exhaust pipes is at least two, each exhaust pipe is provided with a switch valve, and each exhaust pipe is provided with the detection assembly.
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| CN202221099685.6U CN217403735U (en) | 2022-05-09 | 2022-05-09 | Condenser gas tightness monitoring system |
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| CN202221099685.6U CN217403735U (en) | 2022-05-09 | 2022-05-09 | Condenser gas tightness monitoring system |
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