CN112014083B - Pressure test method for steel structure pressure regulating chamber - Google Patents
Pressure test method for steel structure pressure regulating chamber Download PDFInfo
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- CN112014083B CN112014083B CN202010807622.0A CN202010807622A CN112014083B CN 112014083 B CN112014083 B CN 112014083B CN 202010807622 A CN202010807622 A CN 202010807622A CN 112014083 B CN112014083 B CN 112014083B
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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
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
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- G—PHYSICS
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- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
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Abstract
A pressure test method for a steel structure pressure regulating chamber is characterized in that a water pressure gauge, a water pressure ball valve, a check valve and a water suction pump are arranged on a water filling pipe communicated with an air chamber steel pipe to fill water into the pressure regulating chamber, an exhaust ball valve, an exhaust pressure meter and an overpressure relief valve are arranged on an exhaust pipe communicated with the air chamber steel pipe to exhaust air in the water filling chamber steel pipe, and a pressure testing pipe connected with the water filling pipe, a pressure testing ball valve connected with the pressure testing pipe, a pressure testing pressure meter and a pressure testing pump are used for replenishing the pressure in the test air chamber steel pipe. The invention overcomes the problems of complex test flow of the air chamber of the raw water power station and sediment sundries deposited after the test, and has the characteristics of simple test method, safety and reliability, and no sediment sundries deposited in the pressure regulating chamber after the test.
Description
Technical Field
The invention belongs to the technical field of hydropower station air chamber pressure regulating tests, and relates to a pressure test method for a steel structure pressure regulating chamber.
Background
The pressure regulating chamber for the hydropower station is large in diameter and usually has a plurality of branch pipes, pressure steel pipes, a volute, a draft tube, a tail water channel, a gold structure, related electrical equipment and other equipment are arranged at the downstream of the pressure regulating chamber, and after the equipment is installed, internal sundries are removed, so that a pressure test of the pressure regulating chamber can be carried out. The design working pressure of the air chamber steel pipe is usually 1.75MPa (water hammer pressure), and the test pressure is usually required to be 1.15 times of the design pressure. The currently adopted water drainage pressure regulating test not only has a complex flow, but also has sediment and sundries deposited in the pressure regulating chamber after the test.
Disclosure of Invention
The invention aims to solve the technical problem of providing a pressure test method for a steel structure pressure regulating chamber, which is simple in structure, adopts a water filling pipe communicated with a steel pipe of an air chamber, is provided with a water pressure gauge, a water pressure ball valve, a check valve and a water suction pump for filling water for the pressure regulating chamber, adopts an exhaust pipe communicated with the steel pipe of the air chamber, is provided with an exhaust ball valve, an exhaust pressure gauge and an overpressure relief valve for exhausting air in the steel pipe of the air chamber during water filling, adopts a pressure test pipe connected with the water filling pipe, adopts a pressure test ball valve connected with the pressure test pipe, adopts the pressure test gauge and the pressure test pump for replenishing water for the pressure in the steel pipe of the air chamber, is safe and reliable, and does not deposit sediment sundries in the pressure regulating chamber after the test.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a pressure test method for a steel structure pressure regulating chamber comprises the following steps:
step 1, a permanent air supplement pipe at the top of a steel pipe of an air chamber is used as a water filling pipe for a hydrostatic test; a water pressure gauge, a water pressure ball valve and a check valve are connected with the water filling pipe in sequence;
step 2, arranging a pressure test pipe behind the water pressure ball valve on the water filling pipe to be connected with a pressure test pump, and arranging a pressure test ball valve and a pressure test pressure meter on the pressure test pipe;
step 3, arranging a three-way pipe on the pressure testing pipe in front of the pressure testing ball valve, and connecting the pressure relief ball valve, the pressure relief valve and the pressure relief pressure gauge on the three-way pipe;
step 4, using another permanent air supplement pipe on the top of the air chamber steel pipe as an exhaust pipe during water filling; an exhaust ball valve and an exhaust pressure gauge are sequentially connected with the exhaust pipe; an overpressure relief valve is arranged at the top of the exhaust pipe;
and 5, at least one bent drain pipe penetrates through the plugging plate of the air chamber steel pipe, one end of the bent drain pipe is positioned at the lowest part of the air chamber steel pipe, and the other end of the bent drain pipe is deeply connected with the inside of the bent pipe.
The pipe orifice of the water filling pipe positioned at one end in the air chamber steel pipe is connected with a fire hose to the bottom of the air chamber steel pipe.
The end of the drain pipe is provided with a cone valve.
The middle part of the body of the drain pipe is provided with an electromagnetic drain valve, and a cable electrically connected with the electromagnetic drain valve is led out of the ground.
The video camera is arranged in the connecting bent pipe, and an enough illumination light source is configured.
The pressure test method of the pressure adjusting chamber with the steel structure,
the water is filled in the water tank,
a. recording temperature, humidity, wind direction, wind power and the like of the day; the hydrostatic test is carried out under the environmental conditions of the lowest daily temperature and the water temperature of more than 5 ℃;
b. recording the readings of each observation device, each pressure gauge, each dial indicator and each strain gauge;
c. opening a water pressure ball valve on the water filling pipe, an exhaust ball valve and an overpressure relief valve on the exhaust pipe, additionally installing a top temporary exhaust pipe, and closing all other valves;
d. starting a water pump to fill water into the steel pipe of the air chamber, closing an exhaust ball valve on the exhaust pipe when the exhaust pipe discharges water, stopping the water pump after the pipe orifice at the upper part of the overpressure relief valve overflows, and closing a water pressure ball valve on a water filling pipe;
e. after 1 hour, recording the readings of each monitoring device and each pressure gauge; comprehensively checking whether steam bubbles and leakage exist at the pressure regulating chamber, the end part end socket, the manhole end socket and the plugging plate part, and recording whether the structure has deformation or displacement abnormal conditions;
f. if the leakage is abnormal, opening the pipe overpressure relief valve and the exhaust ball valve on the exhaust pipe, then opening the electromagnetic drain valve on the drain pipe, and emptying the water in the steel pipe of the gas chamber and then treating; if no abnormal condition exists, closing the overpressure relief valve on the exhaust pipe and then carrying out a hydrostatic test;
in the test, the test results are shown,
a. in the hydrostatic test, water is injected into a steel pipe of an air chamber through a pressure test pump for pressurization, the pressure is relieved through a pressure relief ball valve, and the pressurization and the pressure reduction processes are slow and uniform;
b. reading numbers of each monitoring device, each pressure gauge, each dial indicator and each strain gauge are recorded before the pressure test pump is pressurized and after the pressure relief ball valve is relieved; comprehensively checking whether water injection, water leakage and water seepage conditions exist at each part of the steel pipe of the air chamber and at the plugging part of the orifice of the connecting pipe, and recording; comprehensively checking whether the structure of the air chamber steel pipe has deformation or displacement abnormal conditions and recording;
c. when the pressure is increased to each stage of pressure, pressure stabilization is carried out according to requirements, the pointer of the pressure gauge is observed to be stable, the pointer does not shake, and the pressure is allowed to be continuously increased under normal conditions;
d. when the pressure reaches the maximum pressure of the hydrostatic test, the pressure indicated by the pressure gauge is not changed during the pressure stabilization period;
e. pressurizing or reducing the pressure of the steel pipe in the air chamber to 1.75MPa, and then stopping, and carefully and comprehensively inspecting;
f. in the test process, if the abnormal leakage condition occurs, the water pressure in the steel pipe of the air chamber is lowered to a natural state through the pressure relief ball valve in a grading manner, then the overpressure pressure relief valve and the exhaust ball valve on the exhaust pipe are opened firstly, the electromagnetic drain valve on the drain pipe is opened for draining, the water in the steel pipe of the air chamber is drained and then treated, and after the treatment is finished, the abnormal condition is checked again, and then the water pressure test can be continued;
g. in the test process, under all normal conditions, after the water pressure in the steel pipe of the air chamber is discharged through the pressure release valves in a grading manner to be reduced to a natural state, the overpressure pressure release valve on the exhaust pipe is opened firstly, then the water pump, the pressure test pump and other equipment on the water filling pipe are dismantled, the electromagnetic drain valve on the drain pipe is opened to drain water until the water in the steel pipe of the air chamber is emptied, and the test is finished.
A pressure test method for a steel structure pressure regulating chamber is characterized in that a water pressure gauge, a water pressure ball valve, a check valve and a water suction pump are arranged on a water filling pipe communicated with an air chamber steel pipe to fill water into the pressure regulating chamber, an exhaust ball valve, an exhaust pressure meter and an overpressure relief valve are arranged on an exhaust pipe communicated with the air chamber steel pipe to exhaust air in the water filling chamber steel pipe, and a pressure testing pipe connected with the water filling pipe, a pressure testing ball valve connected with the pressure testing pipe, a pressure testing pressure meter and a pressure testing pump are used for replenishing the pressure in the test air chamber steel pipe. The invention overcomes the problems of complex test flow of the air chamber of the raw water power station and sediment sundries deposited after the test, and has the characteristics of simple test method, safety and reliability, and no sediment sundries deposited in the pressure regulating chamber after the test.
Drawings
The invention is further illustrated with reference to the following figures and examples:
fig. 1 is a schematic structural view of a hydraulic line according to the present invention.
FIG. 2 is a schematic view of the structure of the pneumatic tube of the present invention.
In the figure: the device comprises an air chamber steel pipe 1, a water filling pipe 11, a water pressure gauge 12, a water pressure ball valve 13, a check valve 14, a pressure testing pipe 15, a pressure testing pump 16, a pressure testing ball valve 17, a pressure testing pressure gauge 18, a three-way pipe 19, a pressure relief ball valve 20, a pressure relief valve 21, a pressure relief pressure gauge 22, an exhaust pipe 23, an exhaust ball valve 24, an exhaust pressure gauge 25, an overpressure relief valve 26, a drain pipe 27, a plugging plate 28, a connecting elbow 29, a fire hose 30, a conical valve 31, an electromagnetic drain valve 32 and a video camera 33.
Detailed Description
As shown in fig. 1 to 2, a pressure test method for a steel structure pressure regulating chamber includes the following steps:
step 1, a permanent air supplement pipe at the top of an air chamber steel pipe 1 is used as a water filling pipe 11 for a hydrostatic test; a water pressure gauge 12, a water pressure ball valve 13 and a check valve 14 are connected with the water filling pipe 11 in sequence;
step 2, a pressure testing pipe 15 is arranged behind a water pressure ball valve 13 on a water filling pipe 11 and is connected with a pressure testing pump 16, and a pressure testing ball valve 17 and a pressure testing pressure gauge 18 are arranged on the pressure testing pipe 15;
step 3, arranging a three-way pipe 19 on a pressure testing pipe 15 in front of a pressure testing ball valve 17, and connecting a pressure relief ball valve 20, a pressure relief valve 21 and a pressure relief pressure gauge 22 on the three-way pipe 19;
step 4, using another permanent air supplement pipe at the top of the air chamber steel pipe 1 as an exhaust pipe 23 during water filling; an exhaust ball valve 24 and an exhaust pressure gauge 25 are connected with the exhaust pipe 23 in sequence; an overpressure relief valve 26 is arranged at the top of the exhaust pipe 23;
and step 5, at least one bent drain pipe 27 penetrates through a plugging plate 28 of the air chamber steel pipe 1, one end of the bent drain pipe is positioned at the lowest part of the air chamber steel pipe 1, and the other end of the bent drain pipe is deeply connected into a bent pipe 29.
The pipe orifice of the water filling pipe 11 positioned at one end in the air chamber steel pipe 1 is connected with the fire hose 30 to the bottom of the air chamber steel pipe 1.
A cone valve 31 is mounted at the end of the drain pipe 27.
The middle part of the body of the drain pipe 27 is provided with an electromagnetic drain valve 32, and a cable electrically connected with the electromagnetic drain valve is led out of the ground.
A video camera 33 is arranged in the connecting bent pipe 29 and is provided with a sufficient illumination light source.
The pressure test method of the pressure adjusting chamber with the steel structure,
the water is filled in the water tank,
a. recording temperature, humidity, wind direction, wind power and the like of the day; the hydrostatic test is carried out under the environmental conditions of the daily lowest temperature and the water temperature of more than 5 ℃;
b. recording the readings of each observation device, each pressure gauge, each dial indicator and each strain gauge;
c. opening a water pressure ball valve 13 on the water filling pipe 11, an exhaust ball valve 24 and an overpressure relief valve 26 on the exhaust pipe 23, additionally installing a top temporary exhaust pipe, and closing all other valves;
d. starting a water pump to fill water into the air chamber steel pipe 1, when the exhaust pipe 23 discharges water, firstly closing an exhaust ball valve 24 on the exhaust pipe 23, stopping the water pump after the pipe orifice at the upper part of the overpressure relief valve 26 overflows, and closing a water pressure ball valve 13 on the water filling pipe 11;
e. after 1 hour, recording the readings of each monitoring device and each pressure gauge; comprehensively checking whether steam bubbles and leakage exist at the pressure regulating chamber, the end part end socket, the manhole end socket and the plugging plate part, and whether the structure has deformation or displacement abnormal conditions or not, and recording;
f. if the leakage is abnormal, opening the pipe overpressure relief valve 26 and the exhaust pipe 23 upper exhaust balloon valve 24, then opening the electromagnetic drain valve 32 on the drain pipe 27, and emptying the water in the gas chamber steel pipe 1 for treatment; if no abnormal condition exists, the hydraulic pressure test can be carried out after the overpressure relief valve 26 on the exhaust pipe 23 is closed;
in the test, the test results are shown,
a. in the hydrostatic test, water is injected into the air chamber steel pipe 1 through the pressure test pump 16 for pressurization, the pressure is relieved through the pressure relief ball valve 20, and the pressurization and the pressure reduction processes are slow and uniform;
b. before the pressure test pump 16 is pressurized and after the pressure relief ball valve 20 is relieved, the readings of each monitoring device, each pressure gauge, each dial indicator and each strain gauge are recorded; comprehensively checking whether water injection, water leakage and water seepage conditions exist at each part of the air chamber steel pipe 1 and at the plugging position of the orifice of the connecting pipe, and recording; comprehensively checking whether the structure of the air chamber steel pipe 1 has deformation or displacement abnormal conditions and recording;
c. when the pressure is increased to each stage of pressure, pressure stabilization is carried out according to requirements, the pointer of the pressure gauge is observed to be stable, the pointer does not shake, and the pressure is allowed to be continuously increased under normal conditions;
d. when the pressure reaches the maximum pressure of the hydrostatic test, the pressure indicated by the pressure gauge is not changed during the pressure stabilization period;
e. pressurizing the pressure of the gas chamber steel pipe 1 or reducing the pressure to 1.75MPa, and then stopping, and carefully and comprehensively inspecting;
f. in the test process, if an abnormal leakage condition occurs, the water pressure in the gas chamber steel pipe 1 is drained in a grading manner through the pressure relief ball valve 20 to be reduced to a natural state, then the overpressure pressure relief valve 26 and the exhaust ball valve 24 on the exhaust pipe 23 are opened first, the electromagnetic drain valve 32 on the drain pipe 27 is opened to drain water, the water in the gas chamber steel pipe 1 is drained and then treated, and after the treatment is finished, the abnormal condition is checked again, so that the water pressure test can be continued;
g. in the test process, under normal conditions, after the water pressure in the air chamber steel pipe 1 is discharged in a grading manner through the pressure release valve 21 and is reduced to a natural state, the overpressure pressure release valve 26 on the exhaust pipe 23 is firstly opened, the water pump, the pressure test pump 16 and other equipment on the water filling pipe 11 are then dismantled, the electromagnetic drain valve 32 on the drain pipe 27 is opened to drain water until the water in the air chamber steel pipe 1 is emptied, and the test is finished.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (3)
1. A pressure test method for a steel structure pressure regulating chamber is characterized by comprising the following steps:
step 1, a permanent air supply pipe at the top of an air chamber steel pipe (1) is used as a water filling pipe (11) of a hydrostatic test; a water pressure gauge (12), a water pressure ball valve (13) and a check valve (14) are connected with the water filling pipe (11) in sequence;
step 2, a pressure testing pipe (15) is arranged behind a water pressure ball valve (13) on a water filling pipe (11) and is connected with a pressure testing pump (16), and a pressure testing ball valve (17) and a pressure testing pressure gauge (18) are arranged on the pressure testing pipe (15);
step 3, arranging a three-way pipe (19) on a pressure testing pipe (15) in front of a pressure testing ball valve (17), and connecting a pressure relief ball valve (20), a pressure relief valve (21) and a pressure relief pressure gauge (22) on the three-way pipe (19);
step 4, using another permanent air supply pipe at the top of the air chamber steel pipe (1) as an exhaust pipe (23) during water filling; an exhaust ball valve (24) and an exhaust pressure gauge (25) are connected with the exhaust pipe (23) in sequence; an overpressure relief valve (26) is arranged at the top of the exhaust pipe (23);
step 5, at least one bent drain pipe (27) penetrates through a plugging plate (28) of the air chamber steel pipe (1), one end of the bent drain pipe is located at the lowest position of the air chamber steel pipe (1), and the other end of the bent drain pipe extends into a connecting bent pipe (29);
the nozzle of the water filling pipe (11) positioned at one end in the air chamber steel pipe (1) is connected with a fire hose (30) to the bottom of the air chamber steel pipe (1);
the tail end of the drain pipe (27) is provided with a cone valve (31);
an electromagnetic drain valve (32) is arranged in the middle of the pipe body of the drain pipe (27);
the pressure test method comprises the following steps:
the water is filled in the water tank,
a. recording the temperature, humidity, wind direction and wind power of the day; the hydrostatic test is carried out under the environmental conditions of the lowest daily temperature and the water temperature of more than 5 ℃;
b. recording the readings of each pressure gauge, each dial indicator and each strain gauge;
c. opening a water pressure ball valve (13) on the water filling pipe (11), an exhaust ball valve (24) and an overpressure relief valve (26) on the exhaust pipe (23), additionally installing a top temporary exhaust pipe, and closing all other valves;
d. starting a water pump to fill water into the air chamber steel pipe (1), when the exhaust pipe (23) discharges water, firstly closing an exhaust ball valve (24) on the exhaust pipe (23), stopping filling water when a pipe orifice at the upper part of an overpressure relief valve (26) overflows, then closing the water pump, and closing a water pressure ball valve (13) on a water filling pipe (11);
e. after 1 hour, recording the reading of each pressure gauge; comprehensively checking whether steam bubbles and leakage exist at the pressure regulating chamber, the end part end socket, the manhole end socket and the plugging plate part, and whether the structure has deformation or displacement abnormal conditions or not, and recording;
f. if the leakage abnormal condition occurs, opening an overpressure relief valve (26) of the gas chamber and an exhaust ball valve (24) on an exhaust pipe (23), then opening an electromagnetic drain valve (32) on a drain pipe (27), and emptying the water in the gas chamber steel pipe (1) for treatment; if no abnormal condition exists, the hydraulic test can be carried out after the overpressure relief valve (26) on the exhaust pipe (23) is closed;
in the test, the test results are shown,
a. in the hydrostatic test, water is injected into the air chamber steel pipe (1) through a pressure test pump (16) for pressurization, the pressure is relieved through a pressure relief ball valve (20), and the pressurization and the pressure reduction processes are slow and uniform;
b. before the pressure test pump (16) is pressurized and after the pressure relief ball valve (20) is relieved, the readings of each pressure gauge, each dial indicator and each strain gauge are recorded; the conditions of water jetting, water leakage and water seepage at each part of the air chamber steel pipe (1) and at the plugging part of the orifice of the connecting pipe are comprehensively checked and recorded; comprehensively checking whether the structure of the air chamber steel pipe (1) is deformed or displaced abnormally and recording;
c. when the pressure is increased to each stage of pressure, pressure stabilization is carried out according to requirements, the pointer of the pressure gauge is observed to be stable, the pointer does not shake, and the pressure is allowed to be continuously increased under normal conditions;
d. when the pressure reaches the maximum pressure of the hydrostatic test, the pressure indicated by the pressure gauge is not changed during the pressure stabilization period;
e. pressurizing or reducing the pressure of the air chamber steel pipe (1) to 1.75MPa, and then stopping, and carefully and comprehensively inspecting;
f. in the test process, if abnormal leakage occurs, the water pressure in the gas chamber steel pipe (1) is drained in a grading manner through the pressure relief ball valve (20) to be reduced to a natural state, then the overpressure pressure relief valve (26) and the exhaust ball valve (24) on the exhaust pipe (23) are opened first, the electromagnetic drain valve (32) on the drain pipe (27) is opened to drain, the water in the gas chamber steel pipe (1) is drained and then treated, and after treatment is finished, abnormal conditions are checked again, so that the water pressure test can be continued;
g. in the test process, under normal conditions, after the water pressure in the air chamber steel pipe (1) is discharged through the pressure release valves (21) in a grading manner and is reduced to a natural state, the overpressure pressure release valve (26) on the exhaust pipe (23) is opened, the water pump, the pressure test pump (16) and other equipment on the water filling pipe (11) are dismantled, the electromagnetic drain valve (32) on the drain pipe (27) is opened to drain water until the water in the air chamber steel pipe (1) is emptied, and the test is finished.
2. A steel structure pressure regulating chamber pressure test method as claimed in claim 1, wherein: the cable electrically connected with the electromagnetic drain valve (32) is led out of the ground.
3. The pressure test method for the pressure regulating chamber of the steel structure, as set forth in claim 1, is characterized in that: a video camera (33) is arranged in the connecting bent pipe (29), and an enough illumination light source is configured.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180060665A (en) * | 2016-11-29 | 2018-06-07 | 한전케이피에스 주식회사 | Pressure test member for checking inlet valve of pumping-up electric power station |
| CN109682571A (en) * | 2018-11-23 | 2019-04-26 | 河海大学 | A kind of water hammer and surge chamber system experimental bench |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182930B (en) * | 2011-03-11 | 2012-05-30 | 温州建设集团有限公司 | Multi-system pipe network combined step-by-step hydraulic testing method |
| CN202188939U (en) * | 2011-07-25 | 2012-04-11 | 上海戈冉泊精密模塑有限公司 | Mould water pressure testing device |
| CN205748807U (en) * | 2016-06-16 | 2016-11-30 | 泉州市路通管业科技有限公司 | The glass reinforced plastic pipe water test unit of band infiltration detection |
| CN110608952B (en) * | 2019-10-08 | 2024-05-17 | 云南大红山管道有限公司 | Hydraulic test system and test method applied to large-diameter conveying pipeline |
-
2020
- 2020-08-12 CN CN202010807622.0A patent/CN112014083B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180060665A (en) * | 2016-11-29 | 2018-06-07 | 한전케이피에스 주식회사 | Pressure test member for checking inlet valve of pumping-up electric power station |
| CN109682571A (en) * | 2018-11-23 | 2019-04-26 | 河海大学 | A kind of water hammer and surge chamber system experimental bench |
Non-Patent Citations (2)
| Title |
|---|
| 二瓦槽水电站气垫式调压室高压压水试验及围岩抗渗性评价;唐建昌 等;《水电站设计》;20151231;第31卷(第4期);全文 * |
| 水击及调压室实验装置方案的设计研究;漆金生;《江西工业大学学报》;19901231;第12卷(第4期);全文 * |
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