CN111350654A - Pneumatic diaphragm pump fault detection device - Google Patents
Pneumatic diaphragm pump fault detection device Download PDFInfo
- Publication number
- CN111350654A CN111350654A CN202010343695.9A CN202010343695A CN111350654A CN 111350654 A CN111350654 A CN 111350654A CN 202010343695 A CN202010343695 A CN 202010343695A CN 111350654 A CN111350654 A CN 111350654A
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- Prior art keywords
- diaphragm pump
- water
- pneumatic diaphragm
- outlet
- inlet
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- 238000001514 detection method Methods 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 121
- 239000012530 fluid Substances 0.000 claims abstract description 32
- 238000004088 simulation Methods 0.000 claims abstract description 19
- 239000007921 spray Substances 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 239000007788 liquid Substances 0.000 description 7
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention belongs to the technical field of conveying machinery, and particularly relates to a fault detection device for a pneumatic diaphragm pump. The system comprises a standard gas source, water inlet equipment and working condition simulation equipment; the outlet of the standard air source is connected with the power inlet of the pneumatic diaphragm pump; the water inlet equipment is connected with the inlet of the pneumatic diaphragm pump and is used for providing fluid for the inlet of the pneumatic diaphragm pump; the testing equipment is used for adjusting the fluid at the outlet of the pneumatic diaphragm pump to a simulated working condition. The invention provides a standard air source for the pneumatic diaphragm pump, performs working condition simulation on physical parameters of fluid at the outlet of the pneumatic diaphragm pump, observes whether the pneumatic diaphragm pump can normally work or not through a simulation result, and can also visually find out a fault point of the pneumatic diaphragm pump on a detection site.
Description
Technical Field
The invention belongs to the technical field of conveying machinery, and particularly relates to a fault detection device for a pneumatic diaphragm pump.
Background
The pneumatic diaphragm pump is a novel conveying machine and is the most novel pump in China. The compressed gas is used as a power source, and all kinds of corrosive liquids, liquids with particles, high-viscosity, volatile, inflammable and extremely toxic liquids can be pumped out and absorbed completely. The pneumatic diaphragm pump has four materials: plastic, aluminum alloy, cast iron, stainless steel. The pneumatic diaphragm pump adopts nitrile rubber, chloroprene rubber, fluororubber, polytetrafluoroethylene and polytetraethylene respectively according to different liquid media. To meet the needs of different users. The pump is arranged in various special occasions and is used for pumping media which can not be pumped by various conventional pumps, and the satisfactory effect is achieved.
Among the prior art, adopt and detect after pneumatic diaphragm pump installation or maintenance repacking, let its direct work under concrete application environment, observe and suppress the condition and the seepage condition, judge whether pneumatic diaphragm pump normally works. Failure pre-determination cannot be performed on a failed diaphragm pump. Because the installation environment of pneumatic diaphragm pump is complicated, the operating mode is complicated, therefore pneumatic diaphragm pump's trouble can not effective visual display, and when finding that the diaphragm pump has the trouble after detecting, the dismouting process is complicated, wastes artifical resource and extension time limit for a project.
Disclosure of Invention
Aiming at the technical problems in the background technology, the invention provides a pneumatic diaphragm pump fault detection device which provides a standard air source for a pneumatic diaphragm pump, performs working condition simulation on physical parameters of fluid at an outlet of the pneumatic diaphragm pump, observes whether the pneumatic diaphragm pump can normally work or not through a simulation result, and can also visually find out a fault point of the pneumatic diaphragm pump at a detection site.
In order to achieve the technical effects, the invention adopts the following specific technical scheme:
a pneumatic diaphragm pump fault detection device comprises a standard gas source, water inlet equipment and working condition simulation equipment; the outlet of the standard air source is connected with the power inlet of the pneumatic diaphragm pump; the water inlet equipment is connected with the inlet of the pneumatic diaphragm pump and is used for providing fluid for the inlet of the pneumatic diaphragm pump; the working condition simulation equipment is used for adjusting the pressure of fluid at the outlet of the pneumatic diaphragm pump to an observed value.
Further, the standard gas source comprises a gas source, a gas source pipe and a pressure regulating valve; one end of the air source pipe is connected with the air source, and the other end of the air source pipe is connected with the power inlet of the pneumatic diaphragm pump; the pressure regulating valve is arranged on the gas source pipe and used for regulating the gas pressure in the gas source pipe.
Furthermore, the water inlet equipment is a water inlet pipeline.
Further: the working condition simulation equipment comprises a water outlet pipeline, a pressure gauge and a stop valve; the inlet of the water outlet pipeline is connected with the outlet of the pneumatic diaphragm pump; the pressure gauge is arranged on the water outlet pipeline and used for measuring the fluid pressure in the water outlet pipeline; the stop valve is arranged between the outlet of the water outlet pipeline and the pressure gauge.
Further, the pneumatic diaphragm pump fault detection device further comprises a water tank, wherein the water tank is used for storing fluid;
the water tank is provided with a water suction port and a water outlet; the water suction port is used for providing fluid for the water inlet pipeline; the water outlet is used for recovering the fluid at the outlet of the water outlet pipeline into the water tank.
Further, the water suction port is arranged at a position close to the water storage bottom surface of the water tank or at the bottom of the water tank; the water outlet is arranged at the top of the water tank.
Furthermore, the bottom of the water tank is provided with a movable roller.
Further, a water drainage opening is formed in the water tank and is arranged at a position close to the bottom of the water storage of the water tank or at the bottom of the water tank; and a stop valve is arranged at the outlet of the water discharge opening.
Further, the working condition simulation equipment further comprises a spray gun assembly, and a water inlet of the spray gun assembly is connected with an outlet of the pneumatic diaphragm pump.
The invention can bring beneficial effects
By adopting the technical scheme, the invention can bring the following beneficial effects:
1. the invention provides a fault detection device for a pneumatic diaphragm pump, which provides a standard air source for the pneumatic diaphragm pump, performs working condition simulation on physical parameters of fluid at an outlet of the pneumatic diaphragm pump, observes whether the pneumatic diaphragm pump can normally work or not through a simulation result, and can also visually find out a fault point on a detection site.
2. The water tank is arranged, fluid is recycled, and detection cost is saved.
3. Two detection devices are arranged, and the applicable working conditions of various diaphragm pumps can be simulated.
4. Set up the outlet on the water tank, avoid the water tank corrosion when idle to do benefit to and shift this detection device.
5. Set up the gyro wheel in water tank below, improved this detection device's transfer flexibility.
Drawings
Fig. 1 is a schematic diagram of module connection of a failure detection device of an air operated diaphragm pump according to an embodiment of the present invention.
Wherein: 1. a pneumatic diaphragm pump; 2. a gas source; 3. a pressure regulating valve; 4. a pressure gauge; 5. a water tank; 51. a water suction port; 52. a water outlet; 53. a water discharge opening; 6. a spray gun assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
In an embodiment of the present invention, a device for detecting a failure of an air operated diaphragm pump is provided, which can detect various types of air operated diaphragm pumps 1 in a free state, observe whether the air operated diaphragm pumps work normally, and visually find out a failure point. The system comprises a standard gas source, water inlet equipment and working condition simulation equipment; the outlet of the standard air source is connected with the power inlet of the pneumatic diaphragm pump 1; the water inlet equipment is connected with the inlet of the pneumatic diaphragm pump 1 and is used for supplying fluid to the inlet of the pneumatic diaphragm pump 1; the working condition simulation equipment is used for adjusting the pressure of the fluid at the outlet of the pneumatic diaphragm pump 1 to an observed value.
In this embodiment, the fluid is clear water, muddy water or other liquid compound simulating the working condition. The pressure of the standard air source is 0-0.6Mp, and the adjusting pressure value of the working condition simulation equipment is 0.3-0.5 Mp. After the pneumatic diaphragm pump 1 has been operated in accordance with the above criteria, it is observed whether the pneumatic diaphragm pump 1 can be pressurized and whether there is leakage under the pressurized condition.
In one embodiment, as shown in FIG. 1, the standard gas source comprises a gas source 2, a gas source pipe and a pressure regulating valve 3; one end of the air source pipe is connected with the air source 2, and the other end of the air source pipe is connected with the power inlet of the pneumatic diaphragm pump 1; the pressure regulating valve 3 is arranged on the gas source pipe and used for regulating the gas pressure in the gas source pipe. In the embodiment, the external air source 2 is adopted, and the pressure of the external air source 2 is not a standard value, so the pressure regulating valve 3 is arranged to regulate the pressure of the external air source 2 to a standard air source, namely 0-0.6 Mp.
In one embodiment, the water inlet device is a water inlet pipeline, and the water inlet pipeline is a soft pipeline, so that the flexibility of the detection device is improved.
In one embodiment, as shown in fig. 1, the working condition simulation device comprises a water outlet pipe, a pressure gauge 4 and a stop valve; the inlet of the water outlet pipeline is connected with the outlet of the pneumatic diaphragm pump 1; the pressure gauge 4 is arranged on the water outlet pipeline and used for measuring the fluid pressure in the water outlet pipeline and providing an observer with a reading of the outlet pressure of the pneumatic diaphragm pump 1. The stop valve is arranged between the outlet of the water outlet pipeline and the pressure gauge 4. This embodiment can confirm that outlet fluid pressure of outlet conduit reaches the observed value through the measured value of adjusting the proportion of opening of stop valve and observing manometer 4, promptly: 0.3-0.5 Mp.
In one embodiment, as shown in fig. 1, the failure detection device of the pneumatic diaphragm pump 1 further comprises a water tank 5, the water tank 5 being used for storing fluid.
The water tank 5 is provided with a water suction port 51 and a water discharge port 52; the water suction port 51 is used for supplying fluid to the water inlet pipeline; the drain port 52 is used to return the fluid from the outlet of the outlet conduit to the tank 5. The drain opening 52 is configured as a funnel to collect fluid discharged from the outlet conduit.
The water tank 5 is arranged in the embodiment, the fluid can be recycled, and the detection cost is saved.
In one embodiment, the water suction port 51 is disposed near the bottom of the water tank 5 or at the bottom of the water tank 5; the drain opening 52 is provided at the top of the water tank 5. When the bottom of the water tank 5 is higher than 150mm from the ground, the water suction port 51 is arranged at the bottom of the water tank, so that the liquid level in the water tank 5 can be fully utilized; when the bottom of the water tank 5 is not higher than 150mm from the ground, the water suction port 51 is arranged on the side surface of the water tank 5, and the water suction range of the water suction port 51 is ensured to be lower than the bottom of the liquid surface of the water tank 5.
In one embodiment, the bottom of the water tank 5 is provided with moving rollers. The movable rollers are four groups of universal wheels with self-locking devices. The self-locking device for removing the universal wheels is unlocked by the detection device, and the self-locking device is locked by being manually pushed to a workplace so as to detect the pneumatic diaphragm pump 1, and is unlocked after the detection is finished, and the detection device is stored and stored.
In one embodiment, as shown in fig. 1, the water tank 5 is further provided with a water drainage opening 53, and the water drainage opening 53 is arranged at a position close to the water storage bottom surface of the water tank 5 or at the bottom of the water tank 5; the outlet of the drain opening 53 is provided with a shutoff valve. Before the detection starts, the stop valve is completely closed, fluid is filled into the water tank 5, and the pneumatic diaphragm pump 1 starts to be detected; after the detection is finished, the stop valve is opened to discharge the fluid in the water tank 5, so that the fluid is prevented from corroding the tank body of the water tank 5 when the equipment is stored and stored.
In one embodiment, the operation condition simulation device is a spray gun assembly 6, and the water inlet of the spray gun assembly 6 is connected with the outlet of the air operated diaphragm pump 1. In some specific applications of the pneumatic diaphragm pump 1, a spray gun is required to spray fluid, so when simulating these working conditions, the spray gun is arranged at the outlet of the pneumatic diaphragm pump 1 to observe whether the spray gun can work normally or whether the diaphragm pump leaks everywhere when the spray gun works normally.
The above description of the embodiments is only intended to facilitate the understanding of the method patented by the invention and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall into the protection scope of the present patent claims.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present patent is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a pneumatic diaphragm pump fault detection device which characterized in that: the system comprises a standard gas source, water inlet equipment and working condition simulation equipment; the outlet of the standard air source is connected with the power inlet of the pneumatic diaphragm pump; the water inlet equipment is connected with the inlet of the pneumatic diaphragm pump and is used for providing fluid for the inlet of the pneumatic diaphragm pump; the testing equipment is used for adjusting the fluid at the outlet of the pneumatic diaphragm pump to a simulated working condition.
2. An air operated diaphragm pump failure detection apparatus according to claim 1, wherein: the standard gas source comprises a gas source, a gas source pipe and a pressure regulating valve; one end of the air source pipe is connected with the air source, and the other end of the air source pipe is connected with the power inlet of the pneumatic diaphragm pump; the pressure regulating valve is arranged on the gas source pipe and used for regulating the gas pressure in the gas source pipe.
3. An air operated diaphragm pump failure detection apparatus according to claim 1, wherein: the water inlet equipment is a water inlet pipeline.
4. An air operated diaphragm pump failure detection apparatus according to claim 1, wherein: the working condition simulation equipment comprises a water outlet pipeline, a pressure gauge and a stop valve; the inlet of the water outlet pipeline is connected with the outlet of the pneumatic diaphragm pump; the pressure gauge is arranged on the water outlet pipeline and used for measuring the fluid pressure in the water outlet pipeline; the stop valve is arranged between the outlet of the water outlet pipeline and the pressure gauge.
5. An air operated diaphragm pump failure detection apparatus according to claim 3 or 4, wherein: the pneumatic diaphragm pump fault detection device further comprises a water tank, wherein the water tank is used for storing fluid;
the water tank is provided with a water suction port and a water outlet; the water suction port is used for providing fluid for the water inlet pipeline; the water outlet is used for recovering the fluid at the outlet of the water outlet pipeline into the water tank.
6. An air operated diaphragm pump failure detection apparatus according to claim 5, wherein: the water suction port is arranged at a position close to the bottom surface of the water storage tank or at the bottom of the water storage tank; the water outlet is arranged at the top of the water tank.
7. An air operated diaphragm pump failure detection apparatus according to claim 5, wherein: the water tank is also provided with a water drainage opening, and the water drainage opening is arranged at a position close to the bottom surface of the water storage of the water tank or at the bottom of the water tank; and a stop valve is arranged at the outlet of the water discharge opening.
8. An air operated diaphragm pump failure detection apparatus according to claim 5, wherein: and a movable roller is arranged at the bottom of the water tank.
9. An air operated diaphragm pump failure detection apparatus according to claim 1, wherein: the working condition simulation equipment further comprises a spray gun assembly, and the water inlet of the spray gun assembly is connected with the outlet of the pneumatic diaphragm pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010343695.9A CN111350654A (en) | 2020-04-27 | 2020-04-27 | Pneumatic diaphragm pump fault detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010343695.9A CN111350654A (en) | 2020-04-27 | 2020-04-27 | Pneumatic diaphragm pump fault detection device |
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| Publication Number | Publication Date |
|---|---|
| CN111350654A true CN111350654A (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010343695.9A Pending CN111350654A (en) | 2020-04-27 | 2020-04-27 | Pneumatic diaphragm pump fault detection device |
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| Country | Link |
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| CN (1) | CN111350654A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135476A (en) * | 2021-09-23 | 2022-03-04 | 洛阳信成精密机械有限公司 | Pump detection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010060532A1 (en) * | 2010-11-12 | 2012-05-16 | Aker Wirth Gmbh | Method and system for detecting damage to working fluids comprising piston diaphragm pumps |
| KR20130003225U (en) * | 2011-11-23 | 2013-05-31 | 한국철도공사 | test apparatus for membrane pump of KTX |
| CN108799073A (en) * | 2018-07-25 | 2018-11-13 | 上海江浪流体机械制造有限公司 | A kind of intelligence diaphragm pump |
| CN109899280A (en) * | 2019-03-28 | 2019-06-18 | 昆明理工大学 | A kind of fault detection means and its troubleshooting methodology of high-pressure diaphragm pump check valve |
| CN212774707U (en) * | 2020-04-27 | 2021-03-23 | 上海天汉环境资源有限公司 | Pneumatic diaphragm pump fault detection device |
-
2020
- 2020-04-27 CN CN202010343695.9A patent/CN111350654A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010060532A1 (en) * | 2010-11-12 | 2012-05-16 | Aker Wirth Gmbh | Method and system for detecting damage to working fluids comprising piston diaphragm pumps |
| KR20130003225U (en) * | 2011-11-23 | 2013-05-31 | 한국철도공사 | test apparatus for membrane pump of KTX |
| CN108799073A (en) * | 2018-07-25 | 2018-11-13 | 上海江浪流体机械制造有限公司 | A kind of intelligence diaphragm pump |
| CN109899280A (en) * | 2019-03-28 | 2019-06-18 | 昆明理工大学 | A kind of fault detection means and its troubleshooting methodology of high-pressure diaphragm pump check valve |
| CN212774707U (en) * | 2020-04-27 | 2021-03-23 | 上海天汉环境资源有限公司 | Pneumatic diaphragm pump fault detection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135476A (en) * | 2021-09-23 | 2022-03-04 | 洛阳信成精密机械有限公司 | Pump detection device |
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