CN111503522A - Pressure testing device and pressure testing method for long-distance pipeline - Google Patents
Pressure testing device and pressure testing method for long-distance pipeline Download PDFInfo
- Publication number
- CN111503522A CN111503522A CN202010355066.8A CN202010355066A CN111503522A CN 111503522 A CN111503522 A CN 111503522A CN 202010355066 A CN202010355066 A CN 202010355066A CN 111503522 A CN111503522 A CN 111503522A
- Authority
- CN
- China
- Prior art keywords
- water
- water filling
- pipe section
- booster
- pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/14—Conveying liquids or viscous products by pumping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
Abstract
The invention relates to a pressure test device for a long-distance pipeline, which comprises a water filling unit and a pressurizing unit, wherein the water filling unit and the pressurizing unit are respectively arranged on a first base and a second base; the long-distance pipeline comprises a plurality of conveying pipe sections, and valves are arranged at the joints among the plurality of conveying pipe sections; the pressure test method comprises the following steps: the water filling unit is used for filling water into the first conveying pipe section, after the water filling is finished, the pressurizing unit is used for pressurizing the first conveying pipe section, the water filling unit is used for filling water into other conveying pipe sections, the pressurizing unit and the water flushing unit are used simultaneously until the last conveying pipe section, after the water filling is finished, the water filling unit stops working, and the pressurizing unit pressurizes the last conveying pipe section; fill on water unit and the pressure boost unit locate two bases respectively, become the sled respectively, and fill water unit and pressure boost unit's play water pipeline section and all contain the hose, more convenient removal can make and fill water unit and pressure boost unit and fill water and pressure boost for the transport pipeline section of difference simultaneously, save time improves pressure testing efficiency.
Description
Technical Field
The invention relates to a pipeline pressure testing device and a pressure testing method, in particular to a pressure testing device and a pressure testing method for a long-distance pipeline.
Background
Compared with the conventional pipeline and equipment pressure testing, the pressure testing link of the long-distance pipeline construction has an important characteristic that the pipeline is long and large in pipe diameter, the drift diameter of a plurality of pipe sections is 0.6-1.2 m, and the length is hundreds of meters to kilometers, so that the pressure testing becomes one of important links of the long-distance pipeline construction and influences the construction period. The existing pressure testing device is mainly used for the pipelines in equipment and devices, and the pressure testing device manufactured according to the process flow scheme of the existing pressure testing device is applied to pressure testing construction of pipe sections which have long water injection length, slow pressure rise and unsatisfied long-distance and large-pipe-diameter process flow setting in the pressure testing process of long-distance pipeline.
The technical scheme of the currently applied pressure testing device has the problem of frequent time consumption. Water filling and pressure testing are located in the same pry, and the water filling and pressure testing must be carried out in sequence. In some common large-capacity pipe sections, the water filling time of each section reaches 3-5 days, and the total construction period of the water filling and pressure testing of each section is completed in turn reaches dozens of days.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the pressure test device for the long-distance pipeline, wherein the water filling unit and the pressurizing unit can be used simultaneously.
The technical scheme for solving the technical problems is as follows: a pressure testing device for a long-distance pipeline comprises a water filling unit and a pressurizing unit, wherein the water filling unit is arranged on a first base, and the pressurizing unit is arranged on a second base;
the water filling unit comprises a water filling water tank and a water filling water pipe arranged on the water filling water tank, a water filling pump and a water filling pump driver are arranged on the water filling water pipe, and the water filling pump driver can drive the water filling pump to work; the water filling pipe comprises a first water filling outlet pipe section, a second water filling outlet pipe section, a third water filling outlet pipe section and a fourth water filling outlet pipe section, the first water filling outlet pipe section is communicated with the second water filling outlet pipe section, the third water filling outlet pipe section is communicated with the fourth water filling outlet pipe section, an inlet of the water filling pump is connected with the second water filling outlet pipe section, and an outlet of the water filling pump is connected with the third water filling outlet pipe section;
the booster unit comprises a booster water tank and a booster water pipe arranged on the booster water tank, the booster water pipe comprises a first booster water outlet pipe section, a second booster water outlet pipe section and a third booster water outlet pipe section which are sequentially connected, a booster pump and a driving machine are arranged on the first booster water outlet pipe section, the booster pump can be driven by the driving machine of the booster pump to work, and the second booster water outlet pipe section is a hose.
Further, the second water filling and discharging pipe section and the third water filling and discharging pipe section are hoses, a fifth water filling and discharging pipe section is further arranged between the second water filling and discharging pipe section and the third water filling and discharging pipe section, the water filling unit further comprises a water filling pump inlet valve, a water filling pump inlet filter, a water filling pump inlet pressure gauge and a drain valve which are arranged on the fifth water filling and discharging pipe section, a water filling pump outlet one-way valve, a water filling pump outlet pressure gauge, a water filling pump outlet pressure sensor, a drain valve and a water filling pump outlet valve which are arranged on the fourth water filling and discharging pipe section, and the water filling pump outlet pressure sensor is interlocked with the water filling pump driver.
Furthermore, the water filling unit further comprises a first water replenishing pipe on the water filling water tank, and a first water replenishing control valve is further arranged on the first water replenishing pipe.
Further, a liquid level meter and a liquid level sensor are further arranged on the water filling water tank, and the liquid level sensor is interlocked with the water filling pump driving machine.
Further, the water filling unit further comprises a water filling pump outlet safety valve, the water filling pump outlet safety valve is arranged on the first water return pipe section, and the first water return pipe section is connected with the fourth water filling outlet pipe section and the water filling water tank.
The booster pump inlet valve, the booster pump inlet filter and the inlet energy accumulator are all arranged on the first boosting water outlet pipe section;
the booster unit is still including locating booster pump export relief valve, booster pump export check valve, the manual bleeder valve of booster pump, booster pump export purge valve, booster pump export superpressure bleeder valve, booster pump outlet valve, booster pump export pressure table and booster pump export pressure sensor behind the booster pump export, booster pump export pressure sensor with the booster pump driving machine is interlocked, booster pump export relief valve is located on the second return water pipeline section, first booster outlet pipe section and pressurized water tank are connected respectively to the both ends of second return water pipeline section.
Furthermore, a booster pump outlet safety valve, a booster pump outlet one-way valve and a booster pump manual discharge valve are arranged on the first booster water outlet pipe section, and a booster pump outlet purge valve, a booster pump outlet overpressure discharge valve, a booster pump outlet pressure gauge and a booster pump outlet pressure sensor are arranged on the third booster water outlet pipe section.
Further, the pressurizing unit also comprises a second water replenishing pipe on the pressurizing water tank, and a second water replenishing control valve is also arranged on the second water replenishing pipe; and the booster water tank is also provided with a liquid level meter and a liquid level sensor, and the liquid level sensor is interlocked with the booster pump driving machine.
Furthermore, the pressurizing unit further comprises an automatic relief valve, the automatic relief valve is arranged on the relief pipe section, and the two ends of the relief pipe section are respectively connected with the pressurizing water tank and the third pressurizing water outlet pipe section.
Further, the water filling water tank is connected with an external water source through a first water replenishing pipe.
Further, the pressurized water tank is connected with an external water source through a second water replenishing pipe.
Further, the water charging pump driving machine adopts a water charging pump driving motor, and the booster pump driving machine adopts a booster pump driving motor.
The invention also relates to a pressure test method for the long-distance pipeline, which adopts the pressure test device for the long-distance pipeline, wherein the long-distance pipeline comprises a plurality of conveying pipe sections, valves are arranged at the joints among the plurality of conveying pipe sections, the valves are used for opening and closing the corresponding conveying pipe sections, and the pressure test method comprises the following steps: the water filling unit is used for filling water to the first conveying pipe section, after the water filling is completed, the pressurizing unit is used for pressurizing the first conveying pipe section, and meanwhile, the water filling unit is used for filling water to other conveying pipe sections.
The invention has the beneficial effects that: the water filling unit and the pressurizing unit are respectively arranged on the two bases and respectively form a pry, and the water outlet pipe sections of the water filling unit and the pressurizing unit respectively comprise hoses, so that the hoses are more convenient to move and can play a role in damping; the invention can lead the water filling unit and the pressurizing unit to fill water and pressurize different conveying pipe sections simultaneously, thereby saving time and improving the pressure testing efficiency.
Drawings
FIG. 1 is a schematic view of the working principle of the water filling unit according to the present invention;
FIG. 2 is a schematic diagram of the operation of the pressurizing unit of the present invention;
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1-2, a pressure testing device for a long-distance pipeline comprises a water filling unit and a pressurizing unit, wherein the water filling unit is installed on a first base, and the pressurizing unit is installed on a second base;
the water filling unit comprises a water filling water tank 1 and a water filling water pipe arranged on the water filling water tank 1, a water filling pump 14 and a water filling pump driver 15 are arranged on the water filling water pipe, and the water filling pump driver 15 can drive the water filling pump 14 to work; the water filling pipe comprises a first water filling and discharging pipe section 6, a second water filling and discharging pipe section 9, a third water filling and discharging pipe section 16 and a fourth water filling and discharging pipe section 19, the first water filling and discharging pipe section 6 is communicated with the second water filling and discharging pipe section 9, the third water filling and discharging pipe section 16 is communicated with the fourth water filling and discharging pipe section 19, the second water filling and discharging pipe section 9 and the third water filling and discharging pipe section 16 are hoses, a fifth water filling and discharging pipe section is further arranged between the second water filling and discharging pipe section and the third water filling and discharging pipe section, and the water filling pump is arranged on the fifth water filling and discharging pipe section;
the water filling unit further comprises a water filling pump inlet valve 10, a water filling pump inlet filter 11, a water filling pump inlet pressure gauge 12 and a drain valve 13 which are arranged on the fifth water filling and discharging pipe section, a water filling pump outlet one-way valve 18, a water filling pump outlet pressure gauge 21, a water filling pump outlet pressure sensor 23, a drain valve 26 and a water filling pump outlet valve 27 which are arranged on the fourth water filling and discharging pipe section 19, and the water filling pump outlet pressure sensor 22 is interlocked with the water filling pump driver 15.
A flow meter 24 is also arranged between the charging pump outlet pressure sensor 23 and the purge valve 26.
The water filling unit further comprises a first water replenishing pipe 2 on the water filling water tank 4, and a first water replenishing control valve 1 is further arranged on the first water replenishing pipe 2.
The water filling tank 4 is also provided with a liquid level meter 35 and a liquid level sensor 34, and the liquid level sensor 34 is interlocked with the water filling pump driver 15.
The water filling unit further comprises a water filling pump outlet safety valve 32, the water filling pump outlet safety valve 32 is arranged on the first water return pipe section, and the first water return pipe section is connected with the fourth water filling outlet pipe section 19 and the water filling water tank 4.
The pressurizing unit comprises a pressurizing water tank 44 and a pressurizing water pipe arranged on the pressurizing water tank 44, the pressurizing water pipe comprises a first pressurizing water outlet pipe section 46, a second pressurizing water outlet pipe section 61 and a third pressurizing water outlet pipe section which are sequentially connected, a pressurizing pump 53 and a pressurizing pump driving machine are arranged on the first pressurizing water outlet pipe section 46, the pressurizing pump driving machine can drive the pressurizing pump 53 to work, and the second pressurizing water outlet pipe section 61 is a hose.
The booster unit further comprises a booster water tank outlet pressure gauge 45, a vent valve 47, a booster pump inlet valve 48, a booster pump inlet filter 49 and an inlet energy accumulator 50 which are arranged in front of the booster pump inlet, and the booster water tank outlet pressure gauge 45, the vent valve 47, the booster pump inlet valve 48, the booster pump inlet filter 49 and the inlet energy accumulator 50 are all arranged on the first booster water outlet pipe section 46;
the booster unit is still including locating booster pump export relief valve 57, booster pump export check valve 59, the manual bleeder valve 60 of booster pump, booster pump export purge valve 62, booster pump export superpressure bleeder valve 63, booster pump outlet valve 66, booster pump export manometer 68 and booster pump export pressure sensor 70 behind the booster pump export, booster pump export pressure sensor 70 with the booster pump driver interlock, booster pump export relief valve 57 is located on the second return water pipeline section, first booster water outlet pipe section 46 and booster water tank 44 are connected respectively to the both ends of second return water pipeline section.
The booster pump outlet safety valve 57, the booster pump outlet one-way valve 59 and the booster pump manual discharge valve 60 are arranged on the first booster water outlet pipe section 46, and the booster pump outlet purge valve 62, the booster pump outlet overpressure discharge valve 63, the booster pump outlet valve 66, the booster pump outlet pressure gauge 68 and the booster pump outlet pressure sensor 70 are arranged on the third booster water outlet pipe section.
The pressurizing unit further comprises a second water replenishing pipe 41 on the pressurizing water tank 44, and a second water replenishing control valve 40 is further arranged on the second water replenishing pipe 41; the pressurized water tank 44 is also provided with a liquid level meter 78 and a liquid level sensor 76, and the liquid level sensor 76 is interlocked with a booster pump driving machine.
The pressurizing unit further comprises an automatic relief valve 71, the automatic relief valve is arranged on the relief pipe section, and two ends of the relief pipe section are respectively connected with the pressurizing water tank 44 and the third pressurizing water outlet pipe section.
The water charging pump driving machine adopts a water charging pump driving motor, and the booster pump driving machine adopts a booster pump driving motor.
The invention also relates to a pressure test method for the long-distance pipeline, which adopts the pressure test device for the long-distance pipeline, wherein the long-distance pipeline comprises a plurality of conveying pipe sections, valves are arranged at the joints among the plurality of conveying pipe sections, the valves are used for opening and closing the corresponding conveying pipe sections, and the maintenance of each conveying pipe section is also convenient, and the pressure test method comprises the following steps: the water filling unit is used for filling water to the first conveying pipe section, after the water filling is completed, the pressurizing unit is used for pressurizing the first conveying pipe section, and meanwhile, the water filling unit is used for filling water to other conveying pipe sections.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The pressure testing device for the long-distance pipeline is characterized by comprising a water filling unit and a pressurizing unit, wherein the water filling unit is arranged on a first base, and the pressurizing unit is arranged on a second base;
the water filling unit comprises a water filling water tank and a water filling water pipe arranged on the water filling water tank, a water filling pump and a water filling pump driver are arranged on the water filling water pipe, and the water filling pump driver can drive the water filling pump to work; the water filling pipe comprises a first water filling outlet pipe section, a second water filling outlet pipe section, a third water filling outlet pipe section and a fourth water filling outlet pipe section, the first water filling outlet pipe section is communicated with the second water filling outlet pipe section, the third water filling outlet pipe section is communicated with the fourth water filling outlet pipe section, an inlet of the water filling pump is connected with the second water filling outlet pipe section, and an outlet of the water filling pump is connected with the third water filling outlet pipe section;
the booster unit comprises a booster water tank and a booster water pipe arranged on the booster water tank, the booster water pipe comprises a first booster water outlet pipe section, a second booster water outlet pipe section and a third booster water outlet pipe section which are sequentially connected, a booster pump and a driving machine are arranged on the first booster water outlet pipe section, the booster pump can be driven by the driving machine of the booster pump to work, and the second booster water outlet pipe section is a hose.
2. The pressure testing device for the long delivery pipeline according to claim 1, wherein the second water filling and discharging pipe section and the third water filling and discharging pipe section are hoses, a fifth water filling and discharging pipe section is further arranged between the second water filling and discharging pipe section and the third water filling and discharging pipe section, the water filling unit further comprises a water filling pump inlet valve, a water filling pump inlet filter, a water filling pump inlet pressure gauge and a purge valve which are arranged on the fifth water filling and discharging pipe section, and a water filling pump outlet check valve, a water filling pump outlet pressure gauge, a water filling pump outlet pressure sensor, a purge valve and a water filling pump outlet valve which are arranged on the fourth water filling and discharging pipe section, and the water filling pump outlet pressure sensor and the water filling pump driver are interlocked.
3. The pressure testing device for the long-distance pipeline according to claim 2, wherein the water filling unit further comprises a first water filling pipe on the water filling tank, and a first water filling control valve is further arranged on the first water filling pipe.
4. The pressure testing device for the long-distance pipeline according to claim 2, wherein a liquid level meter and a liquid level sensor are further arranged on the water filling tank, and the liquid level sensor and the water filling pump drive are interlocked.
5. The pressure testing device for the long-distance pipeline according to claim 2, wherein the water filling unit further comprises a water filling pump outlet safety valve, the water filling pump outlet safety valve is arranged on the first water return pipe section, and the first water return pipe section is connected with the fourth water filling outlet pipe section and the water filling tank.
6. The pressure test device for the long-distance pipeline according to any one of claims 1 to 5, wherein the pressurizing unit further comprises a pressurizing pump inlet valve, a pressurizing pump inlet filter and an inlet accumulator which are arranged in front of the pressurizing pump inlet, and the pressurizing pump inlet valve, the pressurizing pump inlet filter and the inlet accumulator are all arranged on the first pressurizing water outlet pipe section;
the booster unit is still including locating booster pump export relief valve, booster pump export check valve, the manual bleeder valve of booster pump, booster pump export purge valve, booster pump export superpressure bleeder valve, booster pump outlet valve, booster pump export pressure table and booster pump export pressure sensor behind the booster pump export, booster pump export pressure sensor with the booster pump driving machine is interlocked, booster pump export relief valve is located on the second return water pipeline section, first booster outlet pipe section and pressurized water tank are connected respectively to the both ends of second return water pipeline section.
7. The pressure testing device for the long distance pipeline according to claim 6, wherein the booster pump outlet safety valve, the booster pump outlet check valve and the booster pump manual relief valve are arranged on the first booster water outlet pipe section, and the booster pump outlet purge valve, the booster pump outlet overpressure relief valve, the booster pump outlet pressure gauge and the booster pump outlet pressure sensor are arranged on the third booster water outlet pipe section.
8. The pressure testing device for the long-distance pipeline according to claim 6, wherein the pressurizing unit further comprises a second water replenishing pipe on the pressurizing water tank, and a second water replenishing control valve is further arranged on the second water replenishing pipe; and the booster water tank is also provided with a liquid level meter and a liquid level sensor, and the liquid level sensor is interlocked with the booster pump driving machine.
9. The pressure testing device for the long-distance pipeline according to claim 6, wherein the pressurizing unit further comprises an automatic relief valve, the automatic relief valve is arranged on the relief pipe section, and two ends of the relief pipe section are respectively connected with the pressurizing water tank and the third pressurizing water outlet pipe section.
10. A pressure testing method for a long-distance pipeline, which is characterized in that the pressure testing device for the long-distance pipeline according to any one of claims 1 to 9 is adopted, the long-distance pipeline comprises a plurality of conveying pipe sections, valves are arranged at the joints among the plurality of conveying pipe sections, and the pressure testing method comprises the following steps: the water filling unit is used for filling water to the first conveying pipe section, after the water filling is completed, the pressurizing unit is used for pressurizing the first conveying pipe section, and meanwhile, the water filling unit is used for filling water to other conveying pipe sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010355066.8A CN111503522B (en) | 2020-04-29 | 2020-04-29 | Pressure testing device and pressure testing method for long-distance pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010355066.8A CN111503522B (en) | 2020-04-29 | 2020-04-29 | Pressure testing device and pressure testing method for long-distance pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111503522A true CN111503522A (en) | 2020-08-07 |
| CN111503522B CN111503522B (en) | 2022-02-11 |
Family
ID=71868191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010355066.8A Active CN111503522B (en) | 2020-04-29 | 2020-04-29 | Pressure testing device and pressure testing method for long-distance pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111503522B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1981001744A1 (en) * | 1979-12-06 | 1981-06-25 | Nolek System Ab | Tightness testing of large vessels or the like |
| JPH09242999A (en) * | 1996-03-04 | 1997-09-16 | Sumitomo Densetsu Kk | Pipe pressurizing inspection device for building |
| JP2006090175A (en) * | 2004-09-22 | 2006-04-06 | Ebara Corp | Water supply device and inverter |
| CN202252875U (en) * | 2011-10-14 | 2012-05-30 | 陕西化建工程有限责任公司 | Movable pressure testing station structure |
| CN102829922A (en) * | 2012-08-23 | 2012-12-19 | 上海第一机床厂有限公司 | Water pressure tester for welding seal shell and test method thereof |
| CN103471930A (en) * | 2013-09-27 | 2013-12-25 | 杜培文 | Hilly region water conveying pipeline pressing testing method and device |
| CN203534912U (en) * | 2013-06-25 | 2014-04-09 | 中建安装工程有限公司工程公司 | Pipeline pressure test device |
| CN105372134A (en) * | 2015-12-09 | 2016-03-02 | 中国重型机械研究院股份公司 | Supercharging system integrated steel pipe hydrostatic testing machine water-filling apparatus |
| CN105738219A (en) * | 2016-04-11 | 2016-07-06 | 中国化学工程第十一建设有限公司 | Pipeline pressure testing system and method |
| CN206338588U (en) * | 2016-12-27 | 2017-07-18 | 湖南汇丰工程检测有限公司 | A kind of long distance pipeline detection means |
| CN107219126A (en) * | 2017-06-02 | 2017-09-29 | 上海森松压力容器有限公司 | Hydraulic test of pressure vessel device and method |
| CN109115624A (en) * | 2018-09-28 | 2019-01-01 | 中国重型机械研究院股份公司 | A kind of pressure charging system one tube end hydrostatic testing machine and pipe end pressure-measuring method |
-
2020
- 2020-04-29 CN CN202010355066.8A patent/CN111503522B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1981001744A1 (en) * | 1979-12-06 | 1981-06-25 | Nolek System Ab | Tightness testing of large vessels or the like |
| JPH09242999A (en) * | 1996-03-04 | 1997-09-16 | Sumitomo Densetsu Kk | Pipe pressurizing inspection device for building |
| JP2006090175A (en) * | 2004-09-22 | 2006-04-06 | Ebara Corp | Water supply device and inverter |
| CN202252875U (en) * | 2011-10-14 | 2012-05-30 | 陕西化建工程有限责任公司 | Movable pressure testing station structure |
| CN102829922A (en) * | 2012-08-23 | 2012-12-19 | 上海第一机床厂有限公司 | Water pressure tester for welding seal shell and test method thereof |
| CN203534912U (en) * | 2013-06-25 | 2014-04-09 | 中建安装工程有限公司工程公司 | Pipeline pressure test device |
| CN103471930A (en) * | 2013-09-27 | 2013-12-25 | 杜培文 | Hilly region water conveying pipeline pressing testing method and device |
| CN105372134A (en) * | 2015-12-09 | 2016-03-02 | 中国重型机械研究院股份公司 | Supercharging system integrated steel pipe hydrostatic testing machine water-filling apparatus |
| CN105738219A (en) * | 2016-04-11 | 2016-07-06 | 中国化学工程第十一建设有限公司 | Pipeline pressure testing system and method |
| CN206338588U (en) * | 2016-12-27 | 2017-07-18 | 湖南汇丰工程检测有限公司 | A kind of long distance pipeline detection means |
| CN107219126A (en) * | 2017-06-02 | 2017-09-29 | 上海森松压力容器有限公司 | Hydraulic test of pressure vessel device and method |
| CN109115624A (en) * | 2018-09-28 | 2019-01-01 | 中国重型机械研究院股份公司 | A kind of pressure charging system one tube end hydrostatic testing machine and pipe end pressure-measuring method |
Non-Patent Citations (1)
| Title |
|---|
| 单丹: "长距离大口径输水管道水压试验方法的研究", 《山东工业技术》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111503522B (en) | 2022-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104792475B (en) | A kind of oil well pump experiments of sealing performance, leakage amount detection systems and experimental rig | |
| CN101082389A (en) | CNG directly inflating process and CNG substation | |
| CN111503522B (en) | Pressure testing device and pressure testing method for long-distance pipeline | |
| CN200999960Y (en) | Natural gas vehicle air entraining substation system | |
| CN219641405U (en) | Flexible composite high-pressure conveying pipe pressure testing device | |
| CN204284916U (en) | A kind of pressurized container charges uses equipment | |
| CN214404149U (en) | Fortune pig car hydraulic pressure station | |
| CN201866018U (en) | Oil filtering device for industrial hydraulic and lubricating system | |
| CN201340364Y (en) | Water filling pressure testing device for steel pipe water pressure testing machine | |
| CN200964977Y (en) | Hydraulic spare parts pressurization station | |
| CN213313546U (en) | High-efficiency energy-saving plunger pump for filter press | |
| CN209398906U (en) | A kind of hydraulic control system of Direct Travel pneumatic hydraulic actuator | |
| CN210460590U (en) | Multifunctional well-flushing paraffin removal vehicle | |
| CN207246759U (en) | A kind of intelligence that convenient can be changed oil is changed oil maintenance system | |
| CN107777651B (en) | A kind of multi-functional vehicle of making house calls that convenient oil change service can be achieved | |
| CN205879479U (en) | Quick pressure testing equipment of oil pipe | |
| CN220522774U (en) | Plunger gas lift drainage leakage detection device | |
| CN218934648U (en) | Small-sized electric pressure test pump for water supply pipeline maintenance | |
| CN210803133U (en) | Heat exchanger hydrostatic test exhaust apparatus | |
| CN214703107U (en) | Pipeline pressure testing device | |
| CN217901143U (en) | Product leakproofness detection device | |
| RU73025U1 (en) | INSTALLATION PUMP UNIVERSAL | |
| CN102873167A (en) | Tee joint forming equipment | |
| CN214472396U (en) | Full-automatic small-pipe-diameter fast-rhythm six-station oil pressure testing machine | |
| CN207241546U (en) | A kind of convenient oil change for being suitable for subscription services safeguards servicer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |