CN112729717A - Water mist multi-valve-group circulation testing tool and testing method - Google Patents
Water mist multi-valve-group circulation testing tool and testing method Download PDFInfo
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- CN112729717A CN112729717A CN202011441267.6A CN202011441267A CN112729717A CN 112729717 A CN112729717 A CN 112729717A CN 202011441267 A CN202011441267 A CN 202011441267A CN 112729717 A CN112729717 A CN 112729717A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 244
- 239000003595 mist Substances 0.000 title claims abstract description 112
- 238000012360 testing method Methods 0.000 title claims abstract description 86
- 238000007789 sealing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 238000011156 evaluation Methods 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims 1
- 238000010998 test method Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- 238000005192 partition Methods 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2876—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves
Abstract
The invention relates to a water mist multi-valve group circulation test tool and a test method, belonging to the technical field of fire fighting. The water mist multi-valve-group circulation testing method comprises the following steps: 1. conducting a pipeline, 2 exhausting gas in the pipeline, 3 maintaining pressure and observing, 4 evaluating performance, 5 testing multiple valve groups, and 6 disassembling the water mist valve group to be tested. According to the invention, the high-pressure water pump is connected with the multiple groups of high-pressure ball valves through the high-pressure pipeline, and the water pressure test can be carried out on the water mist valve bank to be tested in each group of high-pressure ball valves, so that the working efficiency is high, and the device is economical and applicable; the recycling of the test water is realized.
Description
Technical Field
The invention relates to a water mist multi-valve-group circulation testing tool and a testing method, and belongs to the technical field of fire fighting.
Background
The water mist is used as a common fire-fighting equipment in fire-fighting equipment, and plays a key role in daily fire-fighting use. The water mist is a fire fighting device with high quality requirement, wherein the partition control valve group is used as an important component of the water mist, and during production, in order to ensure the product performance of the water mist, especially the sealing performance of a pipeline system, a pressure test is often required. The traditional water pressure test tool is only connected with a high-pressure water pump by one end of a partition control valve group, and the other end of the partition control valve group is blocked by a blank cap. The water pressure test can only be carried out on a single test, and the system needs to maintain pressure for at least five minutes, so that the working efficiency is low, the energy is wasted, and the water pressure test is not suitable for large-scale water pressure detection.
Disclosure of Invention
In order to solve the technical problems, the invention provides a water mist multi-valve-group circulation testing tool and a testing method, and the specific technical scheme is as follows:
the water mist multi-valve-group circulation testing tool comprises a reservoir, wherein the reservoir is provided with a reservoir water inlet and a reservoir water outlet, the water outlet of the reservoir is connected with a high-pressure water pump, the water outlet end of the high-pressure water pump is connected with a hydraulic quick connector, a plurality of groups of water mist devices to be tested are connected between the reservoir water inlet and the hydraulic quick connector, a plurality of groups of the water mist devices to be tested are connected in parallel through high-pressure pipelines,
the water mist device to be detected comprises a water inlet end high-pressure ball valve, the water inlet end of the water inlet end high-pressure ball valve is connected with a hydraulic quick connector, the water outlet end of the water inlet end high-pressure ball valve is connected with a water mist valve bank to be detected, the water outlet end of the water mist valve bank to be detected is connected with a water outlet end high-pressure ball valve, and the water outlet end high-pressure ball valve is connected with a water inlet of a reservoir.
Furthermore, a reservoir safety valve port is formed in the reservoir, a safety valve is connected between the reservoir safety valve port and the hydraulic quick connector, and the safety valve and the high-pressure water pump are connected in parallel through a high-pressure pipeline.
Furthermore, a check valve is connected between the water mist valve set to be detected and the water inlet end high-pressure ball valve.
Furthermore, a high-pressure hose is arranged between the water inlet end high-pressure ball valve and the water mist valve bank to be detected, and two ends of the high-pressure hose are connected and communicated with the water inlet end high-pressure ball valve and the water mist valve bank to be detected through quick connectors.
Further, the water mist valve set to be detected is connected with a pressure gauge.
The water mist multi-valve-group circulation testing method comprises the following steps:
the method comprises the following steps: conducting a pipeline: opening a water inlet end high-pressure ball valve and a water outlet end high-pressure ball valve on the fine water mist multi-valve group testing tool to conduct a pipeline of the fine water mist multi-valve group testing tool;
step two: exhausting gas in the pipeline: starting the high-pressure water pump in a inching mode, so that gas in a pipeline of the water mist multi-valve group test tool is completely exhausted, and then closing a high-pressure ball valve at a water outlet end;
step three: and (4) pressure maintaining observation: continuously inching and starting the high-pressure water pump, observing the numerical value of a pressure gauge on the water mist valve bank to be detected in real time until the pressure value of the pressure gauge reaches a test pressure value, then stopping starting the high-pressure water pump, closing the high-pressure ball valve at the water inlet end, and continuously observing the pressure maintaining condition of the water mist valve bank to be detected through the pressure gauge;
step four: performance evaluation: in the pressure maintaining time required by the test, when the numerical value of a pressure gauge on the water mist valve bank to be tested is obviously reduced, the sealing performance of the water mist valve bank to be tested is poor, and in the pressure maintaining time required by the test, when the numerical value of the pressure gauge on the water mist valve bank to be tested is not obviously changed, the pressure maintaining of the water mist valve bank to be tested is good, and the sealing performance meets the requirement;
step five: testing a plurality of valve groups: when the water mist multi-valve bank is subjected to the cycle test, sequentially repeating the first step to the fourth step;
step six: disassembling the water mist valve bank to be tested: and opening a high-pressure ball valve at the water outlet end of the corresponding water mist valve bank to release pressure and dismantling the water mist valve bank to be tested after the water mist multi-valve bank circulation pressure maintaining test is finished.
The invention has the beneficial effects that:
according to the invention, the high-pressure water pump is connected with the multiple groups of high-pressure ball valves through the high-pressure pipeline, and the water pressure test can be carried out on the water mist valve bank to be tested in each group of high-pressure ball valves, so that the working efficiency is high, and the device is economical and applicable; the high-pressure pipeline is connected with the high-pressure ball valve through the hydraulic quick connector, so that the test is convenient and quick, and the test efficiency is improved; a check valve is connected to a pressure measuring pipeline where the water mist valve bank to be detected is located, so that frequent operation of a high-pressure ball valve at a water inlet end is reduced; a safety valve is connected in the test tool to ensure the pressure safety of the system; the water inlet end and the water outlet end of the water mist valve bank to be tested are both connected with movable joints, so that the water pressure testing device is suitable for water mist valve banks with different pipe diameters to be tested to perform water pressure testing; the water inlet end of the to-be-tested water mist valve bank is connected with the high-pressure hose, so that the problem of inconvenient connection of the to-be-tested water mist valve bank due to the spatial position is solved; the test tool is connected through the high-pressure pipeline to form a closed loop, so that the cyclic utilization of test water is realized.
Drawings
Figure 1 is a flow chart of a test method of the present invention,
figure 2 is a schematic diagram of the multi-stack test fixture of the present invention,
fig. 3 is a schematic view of a single valve group test tool of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The figures are simplified schematic diagrams only illustrating the invention in a schematic way.
As shown in fig. 1, the water mist multi-valve-group circulation testing tool comprises a water storage tank, wherein the water storage tank is provided with a water inlet and a water outlet, the water outlet of the water storage tank is connected with a high-pressure water pump, the water outlet end of the high-pressure water pump is connected with a hydraulic quick connector, a plurality of groups of water mist devices to be tested are connected between the water inlet of the water storage tank and the hydraulic quick connector, and the plurality of groups of water mist devices to be tested are connected in parallel through. The reservoir is also provided with a reservoir safety valve port, a safety valve is connected between the reservoir safety valve port and the hydraulic quick connector, and the safety valve and the high-pressure water pump are connected in parallel through a high-pressure pipeline. The water mist device to be detected comprises a water inlet end high-pressure ball valve, the water inlet end of the water inlet end high-pressure ball valve is connected with a hydraulic quick connector, the water outlet end of the water inlet end high-pressure ball valve is connected with a water mist valve bank to be detected, a high-pressure hose is arranged between the water inlet end high-pressure ball valve and the water mist valve bank to be detected, and the two ends of the high-pressure hose are connected and communicated with the water inlet end high-pressure ball valve and the water mist. The water outlet end of the water mist valve group to be detected is connected with a water outlet end high-pressure ball valve, and the water outlet end high-pressure ball valve is connected with a water inlet of the reservoir. And a check valve is also connected between the water mist valve bank to be detected and the water inlet end high-pressure ball valve, and the water mist valve bank to be detected is connected with a pressure gauge.
The water mist multi-valve-group circulation testing method comprises the following steps:
the method comprises the following steps: conducting a pipeline: opening a water inlet end high-pressure ball valve and a water outlet end high-pressure ball valve on the fine water mist multi-valve group testing tool to conduct a pipeline of the fine water mist multi-valve group testing tool;
step two: exhausting gas in the pipeline: starting the high-pressure water pump in a inching mode, so that gas in a pipeline of the water mist multi-valve group test tool is completely exhausted, and then closing a high-pressure ball valve at a water outlet end;
step three: and (4) pressure maintaining observation: continuously inching and starting the high-pressure water pump, observing the numerical value of a pressure gauge on the water mist valve bank to be detected in real time until the pressure value of the pressure gauge reaches a test pressure value, then stopping starting the high-pressure water pump, closing the high-pressure ball valve at the water inlet end, and continuously observing the pressure maintaining condition of the water mist valve bank to be detected through the pressure gauge;
step four: performance evaluation: in the pressure maintaining time required by the test, when the numerical value of a pressure gauge on the water mist valve bank to be tested is obviously reduced, the sealing performance of the water mist valve bank to be tested is poor, and in the pressure maintaining time required by the test, when the numerical value of the pressure gauge on the water mist valve bank to be tested is not obviously changed, the pressure maintaining of the water mist valve bank to be tested is good, and the sealing performance meets the requirement;
step five: testing a plurality of valve groups: when the water mist multi-valve bank is subjected to the cycle test, sequentially repeating the first step to the fourth step;
step six: disassembling the water mist valve bank to be tested: and opening a high-pressure ball valve at the water outlet end of the corresponding water mist valve bank to release pressure and dismantling the water mist valve bank to be tested after the water mist multi-valve bank circulation pressure maintaining test is finished.
As shown in fig. 3, in the actual testing operation process of the water mist single valve group, it is firstly ensured that both the water inlet end high-pressure ball valve and the water outlet end high-pressure ball valve in the testing tool are in a closed state. Then, firstly opening the water inlet end high-pressure ball valve and the water outlet end high-pressure ball valve, inching to start the high-pressure water pump, exhausting gas in the high-pressure pipeline of the test tool, and then closing the water outlet end high-pressure ball valve. Continuously inching to start the high-pressure water pump, observing the pressure value of a pressure gauge connected to the water mist valve bank to be tested, observing whether the pressure value reaches a test pressure, and continuously inching to start the high-pressure water pump when the pressure value displayed on the pressure gauge does not reach the test pressure value; and when the pressure value of the pressure gauge reaches the test pressure value, stopping the high-pressure water pump and closing the water inlet end high-pressure ball valve. And observing the pressure maintaining condition of the water mist valve bank to be detected, and judging whether the sealing quality of the water mist valve bank to be detected reaches the standard according to the quality of the pressure maintaining state. And (4) after maintaining the pressure for a period of time, opening a high-pressure ball valve at the water outlet end to release the pressure in the pipeline, then removing the water mist valve bank to be tested, and finishing the test. As shown in fig. 2, the water mist multi-valve set is in the actual test operation process, when the first set of water mist valve set is in pressure maintaining, the high-pressure ball valve at the water inlet end needs to be closed, then the second set of water mist valve set to be tested is connected, and the related operation of the high-pressure ball valve during the test of the first set of water mist valve set to be tested is repeated until the test is completed. And analogizing in turn, and realizing the water pressure test of a third set or even more sets of water mist valve banks to be tested. During the test, only the water inlet end high-pressure ball valve and the water outlet end high-pressure ball valve at two ends of a pipeline where the water inlet end high-pressure ball valve and the water outlet end high-pressure ball valve are correspondingly opened or closed, and the test result is not influenced.
According to the invention, the high-pressure water pump is connected with the multiple groups of high-pressure ball valves through the high-pressure pipeline, and the water pressure test can be carried out on the water mist valve bank to be tested in each group of high-pressure ball valves, so that the working efficiency is high, and the device is economical and applicable; the high-pressure pipeline is connected with the high-pressure ball valve through the hydraulic quick connector, so that the test is convenient and quick, and the test efficiency is improved; a check valve is connected to a pressure measuring pipeline where the water mist valve bank to be detected is located, so that frequent operation of a high-pressure ball valve at a water inlet end is reduced; a safety valve is connected in the test tool to ensure the pressure safety of the system; the water inlet end and the water outlet end of the water mist valve bank to be tested are both connected with movable joints, so that the water pressure testing device is suitable for water mist valve banks with different pipe diameters to be tested to perform water pressure testing; the water inlet end of the to-be-tested water mist valve bank is connected with the high-pressure hose, so that the problem of inconvenient connection of the to-be-tested water mist valve bank due to the spatial position is solved; the test tool is connected through the high-pressure pipeline to form a closed loop, so that the cyclic utilization of test water is realized.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a many valve groups of thin water smoke circulation test fixture which characterized in that: comprises a reservoir, wherein the reservoir is provided with a reservoir water inlet and a reservoir water outlet, the water outlet of the reservoir is connected with a high-pressure water pump, the water outlet end of the high-pressure water pump is connected with a hydraulic quick connector, a plurality of groups of to-be-detected water mist devices are connected between the reservoir water inlet and the hydraulic quick connector, the groups of to-be-detected water mist devices are connected in parallel through high-pressure pipelines,
the water mist device to be detected comprises a water inlet end high-pressure ball valve, the water inlet end of the water inlet end high-pressure ball valve is connected with a hydraulic quick connector, the water outlet end of the water inlet end high-pressure ball valve is connected with a water mist valve bank to be detected, the water outlet end of the water mist valve bank to be detected is connected with a water outlet end high-pressure ball valve, and the water outlet end high-pressure ball valve is connected with a water inlet of a reservoir.
2. The water mist multi-valve-group circulation testing tool according to claim 1, characterized in that: the safety valve is characterized in that a reservoir safety valve port is formed in the reservoir, a safety valve is connected between the reservoir safety valve port and the hydraulic quick connector, and the safety valve and the high-pressure water pump are connected in parallel through a high-pressure pipeline.
3. The water mist multi-valve-group circulation testing tool according to claim 1, characterized in that: and a check valve is connected between the water mist valve group to be detected and the water inlet end high-pressure ball valve.
4. The water mist multi-valve-group circulation testing tool according to claim 1, characterized in that: and a high-pressure hose is arranged between the water inlet end high-pressure ball valve and the water mist valve bank to be detected, and two ends of the high-pressure hose are connected and communicated with the water inlet end high-pressure ball valve and the water mist valve bank to be detected through quick connectors.
5. The water mist multi-valve-group circulation testing tool according to claim 1, characterized in that: the water mist valve set to be detected is connected with a pressure gauge.
6. A water mist multi-valve-group circulation testing method is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: conducting a pipeline: opening a water inlet end high-pressure ball valve and a water outlet end high-pressure ball valve on the fine water mist multi-valve group testing tool to conduct a pipeline of the fine water mist multi-valve group testing tool;
step two: exhausting gas in the pipeline: starting the high-pressure water pump in a inching mode, so that gas in a pipeline of the water mist multi-valve group test tool is completely exhausted, and then closing a high-pressure ball valve at a water outlet end;
step three: and (4) pressure maintaining observation: continuously inching and starting the high-pressure water pump, observing the numerical value of a pressure gauge on the water mist valve bank to be detected in real time until the pressure value of the pressure gauge reaches a test pressure value, then stopping starting the high-pressure water pump, closing the high-pressure ball valve at the water inlet end, and continuously observing the pressure maintaining condition of the water mist valve bank to be detected through the pressure gauge;
step four: performance evaluation: in the pressure maintaining time required by the test, when the numerical value of a pressure gauge on the water mist valve bank to be tested is obviously reduced, the sealing performance of the water mist valve bank to be tested is poor, and in the pressure maintaining time required by the test, when the numerical value of the pressure gauge on the water mist valve bank to be tested is not obviously changed, the pressure maintaining of the water mist valve bank to be tested is good, and the sealing performance meets the requirement;
step five: testing a plurality of valve groups: when the water mist multi-valve bank is subjected to the cycle test, sequentially repeating the first step to the fourth step;
step six: disassembling the water mist valve bank to be tested: and opening a high-pressure ball valve at the water outlet end of the corresponding water mist valve bank to release pressure and dismantling the water mist valve bank to be tested after the water mist multi-valve bank circulation pressure maintaining test is finished.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011441267.6A CN112729717A (en) | 2020-12-11 | 2020-12-11 | Water mist multi-valve-group circulation testing tool and testing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011441267.6A CN112729717A (en) | 2020-12-11 | 2020-12-11 | Water mist multi-valve-group circulation testing tool and testing method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100281954A1 (en) * | 2008-11-24 | 2010-11-11 | Korea Hydro & Nuclear Power Co., Ltd. | Test apparatus and method for safety valve |
| CN105606355A (en) * | 2016-02-26 | 2016-05-25 | 余姚市三力信电磁阀有限公司 | Large integrated water gas solenoid valve detection system |
| CN209745501U (en) * | 2019-04-29 | 2019-12-06 | 沈阳富创精密设备有限公司 | Static water pressure parallel test system |
| CN211178892U (en) * | 2019-12-23 | 2020-08-04 | 北京国电富通科技发展有限责任公司天津分公司 | Pressure resistance testing device for water mist component |
-
2020
- 2020-12-11 CN CN202011441267.6A patent/CN112729717A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100281954A1 (en) * | 2008-11-24 | 2010-11-11 | Korea Hydro & Nuclear Power Co., Ltd. | Test apparatus and method for safety valve |
| CN105606355A (en) * | 2016-02-26 | 2016-05-25 | 余姚市三力信电磁阀有限公司 | Large integrated water gas solenoid valve detection system |
| CN209745501U (en) * | 2019-04-29 | 2019-12-06 | 沈阳富创精密设备有限公司 | Static water pressure parallel test system |
| CN211178892U (en) * | 2019-12-23 | 2020-08-04 | 北京国电富通科技发展有限责任公司天津分公司 | Pressure resistance testing device for water mist component |
Non-Patent Citations (1)
| Title |
|---|
| 陈怀民等: "旋芯高压细水雾喷嘴研制及性能测试", 《消防科学与技术》 * |
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Application publication date: 20210430 |