CN203359291U - Leakage monitoring device for double-layer tanks - Google Patents
Leakage monitoring device for double-layer tanks Download PDFInfo
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- CN203359291U CN203359291U CN 201320406418 CN201320406418U CN203359291U CN 203359291 U CN203359291 U CN 203359291U CN 201320406418 CN201320406418 CN 201320406418 CN 201320406418 U CN201320406418 U CN 201320406418U CN 203359291 U CN203359291 U CN 203359291U
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- 238000012806 monitoring device Methods 0.000 title abstract 3
- 238000012544 monitoring process Methods 0.000 claims description 51
- 238000005259 measurement Methods 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 6
- 239000011229 interlayer Substances 0.000 abstract 4
- 239000010410 layer Substances 0.000 abstract 4
- 239000007789 gas Substances 0.000 description 20
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a leakage monitoring device for double-layer tanks. Each double-layer tank comprises an outer wall, an inner wall and interlayer space, wherein the interlayer space is located between the outer wall and the inner wall. The leaking monitoring device comprises at least one double-layer tank, air pressure measuring tubes or vacuum measuring tubes, multi-tank air pressure communicating vessels, a pressure sensor and a controller. The inlet ends of the air pressure measuring tubes or the inlet ends of the vacuum measuring tubes are communicated with the interlayer space of one double-layer tank, the multi-tank air pressure communicating vessels communicate the outlet ends of all the air pressure measuring tubes or the outlet ends of all the vacuum measuring tubes, the pressure sensor is used for measuring the pressure value or the vacuum degree of the interlayer space through the air pressure measuring tubes or the vacuum measuring tubes, and the controller monitors leakage signals. According to the controller, signals that the pressure value measured by the pressure sensor is lower than a first threshold value or signals that the vacuum degree is higher than a second threshold value are used as the leakage signals.
Description
Technical field
The utility model relates to the double-layer tank technical field, particularly a kind of device of the monitoring of leakage for double-layer tank.
Background technology.
Two-compartment oil tank is due to the structure of its double layers of walls, has that intensity is large, the advantages such as the resistance to compression aseismicity is good, withstanding corrosion, anti-galvanic corrosion, service life be common oil tank 5-10 doubly.And due to its good intensity, can effectively protect the energy, serious harm and loss that outer tank skin can avoid energy seepage to bring.
Although two-compartment oil tank can reduce with the danger that common individual layer oil tank is compared seepage, and the situation of seepage is still arranged, therefore need to be monitored the seepage situation of double-layer tank.
The utility model content
In view of this, the utility model provides a kind of device of the monitoring of leakage for double-layer tank, can before source of pollution pollute external environment condition, carry out leakage alarm, and adopts vacuum type or two kinds of monitoring modes of adding pressure type, is applicable to multiple different service condition.
A kind of device of the monitoring of leakage for double-layer tank that the utility model provides, double-layer tank comprises outer wall, inwall and the mezzanine space between outer wall and inwall,
Comprise: at least one double-layer tank, the barometric surveying pipe that arrival end is communicated with the mezzanine space of a double-layer tank, the multiple tank pressure communication device that the exit end of whole barometric surveying pipes is communicated with, measure the pressure sensor of the force value of described mezzanine space by the barometric surveying pipe, and the controller of leakage monitoring signal;
This controller using force value that described pressure sensor measures lower than the signal of first threshold as described seepage signal.
Preferably, further comprise the air pressure forcing pipe that exit end is communicated with the mezzanine space of a double-layer tank, and with the arrival end of this air pressure forcing pipe, be communicated with, with in this mezzanine space the input gas gas pump,
Described controller controls the unlatching of gas pump or cuts out so that the force value of described mezzanine space is not less than described first threshold.
Preferably, further comprise control box, described controller, gas pump, pressure sensor are installed in control box.
Preferably, further comprise the device for drying and filtering of gas in the described barometric surveying pipe of dry filter, air pressure forcing pipe,
This device for drying and filtering closes on the control box installing or is installed in control box.
Preferably, the quantity of described double-layer tank, barometric surveying pipe, air pressure forcing pipe is eight.
The utility model also provides a kind of device of the monitoring of leakage for double-layer tank, and double-layer tank comprises outer wall, inwall and the mezzanine space between outer wall and inwall,
Comprise: at least one double-layer tank, the vacuum measurement pipe that arrival end is communicated with the mezzanine space of a double-layer tank, the multiple tank pressure communication device that the exit end of whole vacuum measurement pipes is communicated with, measure the pressure sensor of the degree of vacuum of described mezzanine space by the vacuum measurement pipe, and the controller of leakage monitoring signal;
This controller is usingd the degree of vacuum that described pressure sensor measures and is greater than the signal of Second Threshold as described seepage signal.
Preferably, further comprise the vacuum exhaust pipe that exit end is communicated with the mezzanine space of a double-layer tank, and with the arrival end of this vacuum exhaust pipe, be communicated with, the vacuum pump so that this mezzanine space is vacuumized,
Described controller controls the unlatching of vacuum pump or cuts out so that the degree of vacuum of described mezzanine space is not more than described Second Threshold.
Preferably, further comprise control box, described controller, vacuum pump, pressure sensor are installed in control box.
Preferably, further comprise the device for drying and filtering of gas in the described vacuum measurement pipe of dry filter, vacuum exhaust pipe,
This device for drying and filtering closes on the control box installing or is installed in control box.
Preferably, the quantity of described double-layer tank, vacuum measurement pipe, vacuum exhaust pipe is eight.
As seen from the above technical solution, in the utility model, provide vacuum type and adding pressure type two kinds of different monitoring modes, can effectively be applicable to the monitoring of leakage of the double-layer tank under multiple service condition, and be applicable to the monitoring of multiple tank situation, can before source of pollution pollute external environment condition, carry out leakage alarm.
Further, monitoring of leakage device of the present utility model can the processing in the mezzanine space of double-layer tank, carrying out make-up gas or vacuumize after monitoring the seepage signal, make in mezzanine space to return back under normal condition and again its pressure changing is monitored, avoided the appearance of false alarm situation.
The accompanying drawing explanation
The structural representation of the first embodiment that Fig. 1 is the device of the monitoring of leakage for double-layer tank of the present utility model.
The structural representation of the second embodiment that Fig. 2 is the device of the monitoring of leakage for double-layer tank of the present utility model.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, referring to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.
In the utility model, provide vacuum type and adding pressure type two kinds of different monitoring modes, monitor in real time the seepage situation of double layers of tank body by the pressure detection in the mezzanine space to double-layer tank, can effectively be applicable to the monitoring of leakage of the double-layer tank under multiple service condition, and be applicable to the monitoring of multiple tank situation, can before source of pollution pollute external environment condition, carry out leakage alarm.
The structural representation of the first embodiment that Fig. 1 is the device of the monitoring of leakage for double-layer tank of the present utility model.As shown in Figure 1, double-layer tank 100 comprises outer wall 101, inwall 102 and the mezzanine space 103 between outer wall 101 and inwall 102.
Monitoring of leakage for double-layer tank device of the present utility model comprises: at least one double-layer tank 100, the barometric surveying pipe 201 that arrival end is communicated with the mezzanine space 103 of a double-layer tank, the multiple tank pressure communication device 202 that the exit end of whole barometric surveying pipes 201 is communicated with, measure the pressure sensor 203 of the force value in mezzanine space 103 by barometric surveying pipe 201, and the controller 204 of leakage monitoring signal.
Wherein, controller 204 using force value that pressure sensor 203 measures lower than the signal of first threshold as the seepage signal, and send alarm.Normal pressure value in the mezzanine space 103 that first threshold is double-layer tank, when the inwall of double-layer tank or outer wall have damaged hole, more than force value in mezzanine space 103 can not maintain normal pressure value, this Time Controller 204 will be somebody's turn to do signal lower than first threshold as the seepage signal and send alarm.
Preferably, monitoring of leakage device of the present utility model further comprises the air pressure forcing pipe 205 that exit end is communicated with the mezzanine space 103 of a double-layer tank 100, and with the arrival end of this air pressure forcing pipe 205, be communicated with, with the gas pump 206 to the interior input gas of this mezzanine space 103.The unlatching of controller 204 by controlling gas pump 206 or close, so that the force value of mezzanine space 103 is not less than first threshold.
Further, monitoring of leakage device of the present utility model can comprise control box 207, and controller 204, gas pump 206, pressure sensor 203 are installed in control box 207.
Preferably, in order to guarantee the normal operation of system, can further be provided for the device for drying and filtering 208 of dry filter barometric surveying pipe 202, air pressure forcing pipe 205 interior gases, this device for drying and filtering 208 closes on control box 207 installings or is installed in control box 207.
Preferably, the quantity of double-layer tank 100, barometric surveying pipe 202, air pressure forcing pipe 205 is eight.
In the present embodiment, the monitoring of leakage device adopts the pressurization manometry to realize the monitoring of leakage to double-layer tank.After the installation of monitoring of leakage device, controller 204 starts gas pump 206 and be filled with gas boosting in mezzanine space 103, closes gas pump 206 while making it increase to first threshold.When if the arbitrary layer in the inside and outside wall of double-layer tank has damaged hole, pressure sensor 203 detects the interior force value of mezzanine space 103 lower than first threshold, controller 204 will be somebody's turn to do pressure test signal lower than first threshold as the seepage signal, and propose alarm.
Force value in pressure sensor 203 detects mezzanine space 103 is during lower than first threshold, and controller 204 starts gas pumps 206 and be filled with gas boosting in mezzanine space 103, closes gas pump 206 while making it increase to first threshold.If pressure sensor 203 continues to detect the interior force value of mezzanine space 103 lower than first threshold, can further confirm that there is the situation of seepage really in double-layer tank 100, has avoided the situation of flase alarm.
The structural representation of the second embodiment that Fig. 2 is the device of the monitoring of leakage for double-layer tank of the present utility model.As shown in Figure 2, double-layer tank 300 comprises outer wall 301, inwall 302 and the mezzanine space 303 between outer wall 301 and inwall 302.
Monitoring of leakage for double-layer tank device of the present utility model comprises: at least one double-layer tank 300, the vacuum measurement pipe 401 that arrival end is communicated with the mezzanine space 303 of a double-layer tank, the multiple tank pressure communication device 402 that the exit end of whole vacuum measurement pipes 401 is communicated with, measure the pressure sensor 403 of the degree of vacuum of mezzanine space 303 by vacuum measurement pipe 401, and the controller 404 of leakage monitoring signal.
Wherein, controller 404 is usingd signal that degree of vacuum that pressure sensor 403 measures is greater than Second Threshold as the seepage signal, and sends alarm.Normal degree of vacuum in the mezzanine space 303 that Second Threshold is double-layer tank, when the inwall of double-layer tank or outer wall have damaged hole, force value in mezzanine space 103 raises, can not maintain under vacuum condition, the signal that this Time Controller 404 is greater than Second Threshold using this is as the seepage signal and send alarm.
Preferably, monitoring of leakage device of the present utility model further comprises the vacuum exhaust pipe 405 that exit end is communicated with the mezzanine space 303 of a double-layer tank 300, and with the arrival end of this vacuum exhaust pipe 405, be communicated with, the vacuum pump 406 so that this mezzanine space 303 is vacuumized.The unlatching of controller 404 by controlling vacuum pump 406 or close, so that the degree of vacuum of mezzanine space 303 is not more than Second Threshold.
Further, monitoring of leakage device of the present utility model can comprise control box 407, and controller 404, vacuum pump 406, pressure sensor 403 are installed in control box 407.
Preferably, in order to guarantee the normal operation of system, can further be provided for the device for drying and filtering 408 of dry filter vacuum measurement pipe 402, vacuum exhaust pipe 405 interior gases, this device for drying and filtering 408 closes on control box 407 installings or is installed in control box 407.
Preferably, the quantity of double-layer tank 300, vacuum measurement pipe 402, vacuum exhaust pipe 405 is eight.
In the present embodiment, the monitoring of leakage device adopts and vacuumizes the monitoring of leakage of manometry realization to double-layer tank.After the installation of monitoring of leakage device, controller 404 starts vacuum pump 406 and vacuumizes for mezzanine space 303, closes vacuum pump 406 while making degree of vacuum reach Second Threshold.When if the arbitrary layer in the inside and outside wall of double-layer tank has damaged hole, pressure sensor 403 detects more than force value in mezzanine space 303 are increased to Second Threshold, the pressure test signal that controller 404 is greater than Second Threshold using this is as the seepage signal, and the proposition alarm.
When the degree of vacuum in pressure sensor 403 detects mezzanine space 303 is greater than Second Threshold, controller 404 starts vacuum pump 406 and vacuumizes for mezzanine space 303, closes vacuum pump 406 while making it lower than Second Threshold.If the degree of vacuum that pressure sensor 403 continues to detect in mezzanine space 303 is greater than Second Threshold, can further confirm that there is the situation of seepage really in double-layer tank 300, avoided the situation of flase alarm.
As seen from the above technical solution, in the utility model, provide vacuum type and adding pressure type two kinds of different monitoring modes, can effectively be applicable to the monitoring of leakage of the double-layer tank under multiple service condition, and be applicable to the monitoring of multiple tank situation, can before source of pollution pollute external environment condition, carry out leakage alarm.
Further, monitoring of leakage device of the present utility model can the processing in the mezzanine space of double-layer tank, carrying out make-up gas or vacuumize after monitoring the seepage signal, make in mezzanine space to return back under normal condition and again its pressure changing is monitored, avoided the appearance of false alarm situation.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of the utility model protection.
Claims (10)
1. the device of the monitoring of leakage for double-layer tank, double-layer tank comprises outer wall, inwall and the mezzanine space between outer wall and inwall, it is characterized in that,
Comprise: at least one double-layer tank, the barometric surveying pipe that arrival end is communicated with the mezzanine space of a double-layer tank, the multiple tank pressure communication device that the exit end of whole barometric surveying pipes is communicated with, measure the pressure sensor of the force value of described mezzanine space by the barometric surveying pipe, and the controller of leakage monitoring signal;
This controller using force value that described pressure sensor measures lower than the signal of first threshold as described seepage signal.
2. monitoring of leakage device according to claim 1, it is characterized in that, further comprise the air pressure forcing pipe that exit end is communicated with the mezzanine space of a double-layer tank, and with the arrival end of this air pressure forcing pipe, be communicated with, with in this mezzanine space the input gas gas pump
Described controller controls the unlatching of gas pump or cuts out so that the force value of described mezzanine space is not less than described first threshold.
3. monitoring of leakage device according to claim 2, is characterized in that, further comprises control box, and described controller, gas pump, pressure sensor are installed in control box.
4. monitoring of leakage device according to claim 3, is characterized in that, further comprises the device for drying and filtering of gas in the described barometric surveying pipe of dry filter, air pressure forcing pipe,
This device for drying and filtering closes on the control box installing or is installed in control box.
5. monitoring of leakage device according to claim 4, is characterized in that, the quantity of described double-layer tank, barometric surveying pipe, air pressure forcing pipe is eight.
6. the device of the monitoring of leakage for double-layer tank, double-layer tank comprises outer wall, inwall and the mezzanine space between outer wall and inwall, it is characterized in that,
Comprise: at least one double-layer tank, the vacuum measurement pipe that arrival end is communicated with the mezzanine space of a double-layer tank, the multiple tank pressure communication device that the exit end of whole vacuum measurement pipes is communicated with, measure the pressure sensor of the degree of vacuum of described mezzanine space by the vacuum measurement pipe, and the controller of leakage monitoring signal;
This controller is usingd the degree of vacuum that described pressure sensor measures and is greater than the signal of Second Threshold as described seepage signal.
7. monitoring of leakage device according to claim 6, it is characterized in that, further comprise the vacuum exhaust pipe that exit end is communicated with the mezzanine space of a double-layer tank, and with the arrival end of this vacuum exhaust pipe, be communicated with, the vacuum pump so that this mezzanine space is vacuumized
Described controller controls the unlatching of vacuum pump or cuts out so that the degree of vacuum of described mezzanine space is not more than described Second Threshold.
8. monitoring of leakage device according to claim 7, is characterized in that, further comprises control box, and described controller, vacuum pump, pressure sensor are installed in control box.
9. monitoring of leakage device according to claim 8, is characterized in that, further comprises the device for drying and filtering of gas in the described vacuum measurement pipe of dry filter, vacuum exhaust pipe,
This device for drying and filtering closes on the control box installing or is installed in control box.
10. monitoring of leakage device according to claim 9, is characterized in that, the quantity of described double-layer tank, vacuum measurement pipe, vacuum exhaust pipe is eight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320406418 CN203359291U (en) | 2013-07-09 | 2013-07-09 | Leakage monitoring device for double-layer tanks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320406418 CN203359291U (en) | 2013-07-09 | 2013-07-09 | Leakage monitoring device for double-layer tanks |
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| CN203359291U true CN203359291U (en) | 2013-12-25 |
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| CN 201320406418 Expired - Lifetime CN203359291U (en) | 2013-07-09 | 2013-07-09 | Leakage monitoring device for double-layer tanks |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153276A (en) * | 2016-08-31 | 2016-11-23 | 南京化工特种设备检验检测研究所 | Pressure vessel based on on-line checking |
| CN108058792A (en) * | 2016-08-24 | 2018-05-22 | 长沙双合盛企业管理有限公司 | A kind of safe ship bottom plate protective device |
| CN109319324A (en) * | 2017-09-01 | 2019-02-12 | 中国石油化工股份有限公司 | The double-deck sunken tankers leakage monitor |
| CN111537439A (en) * | 2020-05-09 | 2020-08-14 | 广东省特种设备检测研究院 | System and method for automatically identifying and evaluating defects of pressure-bearing equipment |
| CN112284651A (en) * | 2020-09-29 | 2021-01-29 | 张家港富瑞深冷科技有限公司 | Method for detecting interlayer vacuum degree of low-temperature storage tank |
| CN116069085A (en) * | 2023-03-06 | 2023-05-05 | 杭州芯云半导体技术有限公司 | A temperature control device and method for centralized cooling of multiple groups of semiconductor testing equipment |
-
2013
- 2013-07-09 CN CN 201320406418 patent/CN203359291U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108058792A (en) * | 2016-08-24 | 2018-05-22 | 长沙双合盛企业管理有限公司 | A kind of safe ship bottom plate protective device |
| CN106153276A (en) * | 2016-08-31 | 2016-11-23 | 南京化工特种设备检验检测研究所 | Pressure vessel based on on-line checking |
| CN109319324A (en) * | 2017-09-01 | 2019-02-12 | 中国石油化工股份有限公司 | The double-deck sunken tankers leakage monitor |
| CN111537439A (en) * | 2020-05-09 | 2020-08-14 | 广东省特种设备检测研究院 | System and method for automatically identifying and evaluating defects of pressure-bearing equipment |
| CN112284651A (en) * | 2020-09-29 | 2021-01-29 | 张家港富瑞深冷科技有限公司 | Method for detecting interlayer vacuum degree of low-temperature storage tank |
| CN116069085A (en) * | 2023-03-06 | 2023-05-05 | 杭州芯云半导体技术有限公司 | A temperature control device and method for centralized cooling of multiple groups of semiconductor testing equipment |
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