CN108661706B - Pneumatic drainage pump control system and method - Google Patents
Pneumatic drainage pump control system and method Download PDFInfo
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- CN108661706B CN108661706B CN201810323568.5A CN201810323568A CN108661706B CN 108661706 B CN108661706 B CN 108661706B CN 201810323568 A CN201810323568 A CN 201810323568A CN 108661706 B CN108661706 B CN 108661706B
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 83
- 230000001681 protective effect Effects 0.000 claims abstract description 38
- 238000001914 filtration Methods 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 34
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 9
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
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- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/04—Regulating by means of floats
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- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Sewage (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The embodiment of the invention discloses a control system and a control method for pneumatic drainage pumps, and the control system comprises a buoy transmission device and a pneumatic control device, wherein the buoy transmission device comprises a protective cover, a buoy and a transmission rod which are positioned in the protective cover, a through hole is formed in the protective cover, the buoy drives the transmission rod to lift, the pneumatic control device comprises a three-way connector, a pneumatic angle seat valve and a hand-operated valve, the three-way connector is respectively connected with an air supply pipeline, the end of the pneumatic angle seat valve and the air inlet end of the hand-operated valve, the air outlet end of the hand-operated valve is connected with the air inlet end of a pneumatic angle seat valve pneumatic control head, the hand-operated valve is arranged on the protective cover, the end of the transmission rod penetrates out of the protective cover to be connected with a valve core of the hand-operated valve, the transmission rod drives the valve core of the hand-operated valve to lift, and the second end of the pneumatic angle seat valve is used for being connected with a pneumatic drainage pump.
Description
Technical Field
The embodiment of the invention relates to a control technology of a pneumatic drainage pump, in particular to a control system and a control method of pneumatic drainage pumps.
Background
In order to ensure the safe production of coal mines and reduce the occurrence of electrical accidents, intrinsically safe equipment is increasingly put into coal production, and pneumatic drainage pumps have become main drainage equipment in a plurality of mines.
At present, the control of the pneumatic drainage pump is mainly realized by two modes, namely automatic control and manual control. The automatic controllers of the traditional pneumatic draining pumps are all electrical equipment, are non-intrinsic safety equipment, have potential safety hazards, and are also forbidden to use the electrical equipment in a mine air return roadway. The manual control of the pneumatic drainage pump not only increases the labor cost, but also can not pump and drain accumulated water in the tunnel in time, so that potential safety hazards are easy to occur; if the pneumatic drainage pump is normally opened and not closed, although the accumulated water in the roadway can be timely drained, the pneumatic drainage pump causes great waste to compressed air resources of a mine, and the cost is high.
Disclosure of Invention
In view of the above, the present invention provides pneumatic drain pump control systems and methods to solve the above technical problems.
The embodiment of the invention provides an pneumatic drainage pump control system which comprises a buoy transmission device and a pneumatic control device, wherein the buoy transmission device comprises a protective cover, a buoy and a transmission rod, the buoy and the transmission rod are located inside the protective cover, a through hole used for being communicated with the outside is formed in the protective cover, the buoy drives the transmission rod to lift, the pneumatic control device comprises a three-way joint, a pneumatic angle seat valve and a hand-operated valve, the end of the three-way joint is used for being connected with an air supply pipeline, the second end of the three-way joint is connected with the end of the pneumatic angle seat valve, the third end of the three-way joint is connected with the air inlet end of the hand-operated valve, the air outlet end of the hand-operated valve is connected with the air inlet end of a pneumatic angle seat valve pneumatic control head, the hand-operated valve is installed on the protective cover, the end of the transmission rod penetrates out of the protective cover to be connected with a valve core of the hand-.
Optionally, a guide seat is arranged at the bottom of the protective cover, the guide seat is provided with a jack, and the second end of the transmission rod is inserted into the jack of the guide seat.
Optionally, the device further comprises an upper baffle positioned inside the protective cover, the upper baffle is fixed on the transmission rod, and the buoy drives the transmission rod to ascend through the upper baffle.
Optionally, the device further comprises a lower baffle positioned inside the protective cover, the lower baffle is fixed on the transmission rod, and the buoy drives the transmission rod to descend through the lower baffle.
Optionally, the safety device further comprises th magnet and a second magnet, wherein the th pole of the th magnet is opposite to the second pole of the second magnet, the polarities of the th magnet and the second magnet are opposite, the th magnet is fixed on the upper baffle, and the second magnet is fixed on the protective cover.
Optionally, the safety device further comprises a guide rod, wherein the th end of the guide rod is fixed on the upper baffle, the second end of the guide rod penetrates through the th magnet, the second magnet penetrates out of the protective cover, and the guide rod goes up and down along with the th magnet.
Alternatively, the th magnets, the second magnets and the guide bars are all at least two, and the two th magnets, the two second magnets and the two guide bars are respectively positioned at two sides of the transmission bar.
Optionally, wherein the valve core of the lever valve is hinged to the drive rod.
Optionally, the pneumatic control device further comprises a filter pressure reducing valve, and two ends of the filter pressure reducing valve are respectively connected with the third end of the three-way joint and the air inlet end of the hand-operated valve.
The embodiment of the invention also provides pneumatic drainage pump control methods based on the pneumatic drainage pump control system, which comprises that a buoy drives a transmission rod to ascend, the transmission rod drives a valve core of a hand-operated valve to ascend, gas in an air supply pipeline enters a pneumatic angle seat valve through the hand-operated valve, the pneumatic angle seat valve is opened, the gas in the air supply pipeline enters a pneumatic drainage pump through the pneumatic angle seat valve to drive the pneumatic drainage pump to work, the buoy drives the transmission rod to descend, the transmission rod drives the valve core of the hand-operated valve to descend, the gas in the air supply pipeline enters the pneumatic angle seat valve through the hand-operated valve, and the pneumatic angle seat valve is closed to control the pneumatic drainage pump to stop.
The system and the method for controlling the pneumatic drainage pump have the advantages that the buoy transmission device and the pneumatic control device are arranged, the buoy drives the transmission rod to lift through the rise and fall of the accumulated water level to control the movement of the valve core of the hand-operated valve, and further controls the opening and closing of the pneumatic angle seat valve to automatically start and stop the pneumatic drainage pump, the air supply source of the pneumatic drainage pump can be used as power to control the starting and the stopping of the pneumatic drainage pump, extra power supply is not needed, the intrinsic safety is achieved, the system and the method can be used in a return air roadway, compared with the traditional manual control of the starting and the stopping of the pneumatic drainage pump, times of investment are performed, the system and the method are simple in structure, small in maintenance amount and low in production cost, the pneumatic drainage pump can be automatically started and stopped according to the accumulated water level, accumulated water is timely removed.
Drawings
Fig. 1 is a schematic structural view of a pneumatic drain pump control system according to an embodiment of the present invention.
FIG. 2 is a schematic structural diagram of a float drive of a pneumatic drain pump control system according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings and specific embodiments. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example
The pneumatic drainage pump control system provided by the embodiment of the invention comprises a buoy transmission device and a pneumatic control device. The float bowl transmission device mainly transmits by means of the change of water level. The pneumatic control device adopts an air supply source of the pneumatic drainage pump as power to control the start and stop of the pneumatic drainage pump.
As shown in figure 1, the pneumatic control device comprises a three-way joint 9, a pneumatic angle seat valve 10 and a hand-operated valve 11, wherein the th end of the three-way joint 9 is used for being connected with a high-pressure air supply pipeline, the second end of the three-way joint 9 is connected with the th end of the pneumatic angle seat valve 10, the third end of the three-way joint 9 is connected with the air inlet end of the hand-operated valve 11, and the air outlet end of the hand-operated valve 11 is connected with the air inlet end of the pneumatic angle seat valve 10.
The hand-operated valve 11 is fixed to the protective cover 1, and the second end of the pneumatic angle seat valve 10 is used for connecting with the pneumatic drain PUMP.
Wherein, the pneumatic control head of the pneumatic angle seat valve 10 is used for controlling the opening and closing of the pneumatic angle seat valve 10, and the opening and closing of the pneumatic angle seat valve 10 is controlled by the hand-operated valve 11.
As shown in fig. 2, the pontoon drive arrangement comprises a pontoon 2, a drive rod 6 and a protective cover 1. The buoy 2 and the transmission rod 6 are both positioned inside the protective cover 1.
The lower part of the side wall of the protective cover 1 is provided with a through hole which is communicated with the outside so as to facilitate water to enter the protective cover 1, the th end of the transmission rod 6 penetrates out of the top end of the protective cover 1 to be connected with the valve core of the hand-operated valve 11, the buoy 2 drives the transmission rod 6 to lift, and the transmission rod 6 drives the valve core of the hand-operated valve 11 to lift.
In actual operation, outside water enters the protective cover 1 through the through hole, when the amount of accumulated water increases and the water level rises, the buoy 2 drives the transmission rod 6 to rise along with the rise of the water level, and the transmission rod 6 drives the valve core of the hand-operated valve 11 to move upwards.
As the water level continues to rise, the float 2 drives the drive rod 6 to rise to the upper limit, and at the same time, the drive rod 6 drives the valve element of the lever valve 11 to reach the upper limit.
At this time, high-pressure gas is supplied to the gas inlet end of the pneumatic angle seat valve 10 through the gas outlet end of the hand-operated valve 11, the pneumatic angle seat valve 10 is opened under the driving of the high-pressure gas, the high-pressure gas in the high-pressure gas supply pipeline enters the pneumatic drainage pump through the pneumatic angle seat valve 10, and the pneumatic drainage pump is driven to start drainage.
When the pneumatic drainage pump works, the water level in the protective cover 1 continuously drops. When the water level drops, the buoy 2 and the transmission rod 6 drop along with the drop of the water level, and the transmission rod 6 drives the valve core of the hand-operated valve 11 to move downwards. Along with the water level continues to descend, the buoyancy borne by the buoy 2 is gradually reduced, and the buoy 2 and the transmission rod 6 move downwards to be limited downwards under the action of self gravity.
Meanwhile, the transmission rod 6 drives the hand-operated valve 11 to reach a lower limit, at this time, high-pressure gas supplies gas to the gas inlet end of the pneumatic control head of the pneumatic angle seat valve 10 through the gas outlet end of the hand-operated valve 11, the pneumatic angle seat valve 10 is closed under the driving of the high-pressure gas, and the pneumatic drainage pump stops draining water.
The pneumatic drainage pump control system provided by the embodiment of the invention is provided with the buoy transmission device and the pneumatic control device, the buoy drives the transmission rod to lift through the rise and fall of the accumulated water level to control the movement of the valve core of the hand-operated valve, and then controls the opening and closing of the pneumatic angle seat valve to automatically start and stop the pneumatic drainage pump, the air supply source of the pneumatic drainage pump can be used as power to control the starting and the stopping of the pneumatic drainage pump, extra power supply is not needed, the intrinsic safety is achieved, and the pneumatic drainage pump control system can be used in a return air roadway.
Example two
On the basis of the embodiment , optionally, the bottom of the protection cover 1 is provided with a guide seat 3, the middle part of the guide seat 3 is provided with a jack, and the second end of the transmission rod 6 is inserted into the jack of the guide seat 3, so that the transmission rod 6 is ensured to lift along the length direction thereof, and the transmission rod 6 is prevented from deviating.
, the depth of the insertion hole is equal to the upward movement of the driving rod 6 to ensure that the second end of the driving rod 6 is always located in the insertion hole during the upward movement of the driving rod 6. in this embodiment, the guide seat 3 is located at the middle position of the bottom of the protection cover 1.
Preferably, as shown in fig. 2, the pneumatic drain pump control system further includes an upper baffle 7 located inside the protective cover 1, the upper baffle 7 is fixed on the transmission rod 6, and the buoy 2 drives the transmission rod 6 to move upwards through the upper baffle 7. Through setting up top flap 7, can separate flotation pontoon 2 and transfer line 6, avoid frequently opening pneumatic angle seat valve 10, improve the life of pneumatic angle seat valve 10.
, the pneumatic drain pump control system further comprises a lower baffle 8 located inside the protective cover 1, the lower baffle 8 is fixed on the transmission rod 6, the buoy 2 is located between the upper baffle 7 and the lower baffle 8, the buoy 2 drives the transmission rod 6 to descend through the lower baffle 8, the buoy 2 is separated from the transmission rod 6 by arranging the lower baffle 8, frequent closing of the pneumatic angle seat valve 10 is avoided, and the service life of the pneumatic angle seat valve 10 is prolonged.
As shown in FIG. 2, the th end of the transmission rod 6 sequentially passes through the lower baffle 8, the buoy 2 and the upper baffle 7, the length of the buoy 2 is smaller than the distance between the upper baffle 7 and the lower baffle 8, and the buoy 2 can move up and down between the upper baffle 7 and the lower baffle 8 along the transmission rod 6 under the action of buoyancy.
When the water volume in the protective cover 1 increases and the water level rises, the buoy 2 rises along with the rise of the water level, and after the water level rises to for a certain height, the buoy 2 is propped against the lower part of the upper baffle 7, along with the continuous rise of the water level, the buoy 2 drives the upper baffle 7 to move upwards, and the transmission rod 6 rises under the supporting force of the buoy 2 to reach an upper limit position.
When the water level in the protective cover 1 descends, the buoy 2 descends along with the descending of the water level, and the buoy 2 descends to the position of the lower blocking piece 8 and is pressed on the lower blocking piece 8. Along with the water level continues to descend, the buoyancy borne by the buoy 2 is gradually reduced to zero, and the buoy 2 drives the transmission rod 6 to move downwards to be limited downwards through the lower baffle 8 under the action of gravity.
In preferred embodiments of the present invention, the buoy 2 is a cylinder, the wall of the cylinder is hollow to reduce the dead weight of the buoy 2, the middle of the cylinder is provided with a mounting hole, the transmission rod 6 penetrates through the mounting hole, the inner diameter of the mounting hole on the buoy 2 is larger than the outer diameter of the transmission rod 6 and smaller than the outer diameters of the upper baffle 7 and the lower baffle 8 to ensure that the buoy 2 is effectively contacted with the upper baffle 7 and the lower baffle 8 to better drive the transmission rod 6 to move.
Preferably, the pneumatic water pump control system further comprises th magnet 5 and second magnet 14, the th pole of the th magnet 5 and the second pole of the second magnet 14 are oppositely arranged and have opposite magnetism, the th magnet 5 is fixed on the upper baffle 7, and the second magnet 14 is fixed on the inner wall of the top of the protective cover 1. by arranging th magnet 5 and second magnet 14, the upward moving force of the transmission rod 6 can be increased, the upward movement of the transmission rod 6 can be controlled quickly, the work of the pneumatic water pump can be controlled as soon as possible, moreover, when the water level is lowered, the downward moving time of the transmission rod can be prolonged due to the attraction force between the magnets, so that the work time of the pneumatic water pump is longer, the water can be discharged better, and the water discharging effect is.
, the pneumatic drain pump control system further comprises a guide rod 4, wherein the th end of the guide rod 4 is fixed on the upper baffle 7, the second end of the guide rod 4 passes through the th magnet 5 and the second magnet 14 and penetrates out of the top of the protecting cover 1, and the guide rod 4 ascends and descends along with the th magnet 5 to ensure that the positions of the th magnet 5 and the second magnet 14 are relatively fixed.
In the embodiment of fig. 2, the th magnet 5 and the second magnet 14 are both circular rings, and the th magnet 5 and the second magnet 14 each have an inner diameter larger than the outer diameter of the guide rod 4, so that the guide rod 4 can freely pass through the top of the protective cover 1.
, as shown in fig. 1, in order to ensure the smooth force on both sides of the top baffle 7, the number of the magnets 5, the number of the second magnets 14 and the number of the guide rods 4 are at least two, and the two magnets 5, the two second magnets 14 and the two guide rods 4 are respectively arranged on both sides of the transmission rod 6.
The attraction force between the two th magnets 5 and the two second magnets 14 is smaller than the sum of the weights of the float 2, the two th magnets 5, the upper baffle 7 and the transmission rod 6, so that the transmission rod 6 can drive the hand-pulled valve 11 to move in two directions, thereby controlling the opening and closing of the pneumatic angle seat valve 10.
When the protective cover 1 or the top separation blade 7 is made of magnetic metal, such as iron, cobalt, nickel, etc., two magnets may be set as a single magnet, and the movement of the top separation blade 7 is realized by the attraction between the magnet and the magnetic metal.
In the preferred embodiments of the present invention, the protective cover 1 is a hollow cylinder, which is mainly used to protect the internal devices from external force.
In the embodiment of fig. 1, the hand-operated valve 11 can be a two-position five-way hand-operated pneumatic angle seat valve 10, and a double-acting pneumatic angle seat valve is adopted, wherein the upper air outlet end of the hand-operated valve 11 is connected with the lower air inlet end of the pneumatic angle seat valve 10, and the lower air outlet end of the hand-operated valve 11 is connected with the upper air inlet end of the pneumatic angle seat valve 10. Wherein, the terms "upper" and "lower" refer to the directions in the attached figure 1.
In other embodiments of the present invention, the manual valve 11 may be a two-position three-way manual valve, and the pneumatic angle seat valve 10 may be a single-action pneumatic angle seat valve.
, the valve core of the hand valve 11 is hinged to the actuator rod 6 to facilitate torque transfer and to better control the movement of the valve core of the hand valve 11. in this embodiment, the valve core is hinged to the actuator rod 6 to facilitate the selection of the installation location for the float drive and the pneumatic control.
In the embodiment of fig. 2, the upper baffle 7 and the lower baffle 8 are both circular rings, wherein the area of the upper baffle 7 is much larger than that of the lower baffle 8, so that the lifting force of the lower baffle 8 on the transmission rod 6 when the water level rises can be reduced, and the control accuracy of the pneumatic drainage pump control system is improved.
In the preferred embodiments of the present invention, the guide holder 3 is a cylinder, the inner diameter of the insertion hole is larger than the outer diameter of the transmission rod 6, so that the transmission rod 6 can move up and down in the insertion hole, and the guide holder 3 can also be other shapes, such as a rectangular parallelepiped.
, the pneumatic control device further comprises a filter pressure reducing valve 13, wherein two ends of the filter pressure reducing valve 13 are respectively connected with the third end of the three-way joint 9 and the air inlet end of the hand-lever valve 11 to filter and limit the pressure of the air entering the hand-lever valve 11.
In preferred embodiments of the present invention, both ends of the filtering and pressure reducing valve 13 are respectively connected to the third end of the three-way joint 9 and the air inlet end of the hand-operated valve 11 through the connecting pipe 12, the diameter of the connecting pipe 12 is 8-12mm, and preferably, an industrial rubber air pipe having a diameter of about 8mm is used.
EXAMPLE III
Based on the pneumatic drain pump control system of the embodiment or the second embodiment, an embodiment of the present invention further provides pneumatic drain pump control methods, including:
the float bowl drives the transmission rod to ascend, the transmission rod drives the valve core of the hand-operated valve to move upwards, gas in the gas supply pipeline enters the pneumatic angle seat valve through the hand-operated valve, the pneumatic angle seat valve is opened, and gas in the gas supply pipeline enters the pneumatic drainage pump through the pneumatic angle seat valve to drive the pneumatic drainage pump to work;
the float bowl drives the transmission rod to descend, the transmission rod drives the valve core of the hand-operated valve to move downwards, gas in the gas supply pipeline enters the pneumatic angle seat valve through the hand-operated valve, and the pneumatic angle seat valve is closed so as to control the stop of the pneumatic drainage pump.
The control method of the pneumatic drainage pump comprises the steps that the buoy is provided with the buoy transmission device and the pneumatic control device, the buoy drives the transmission rod to lift through the rise and fall of the accumulated water level to control the movement of the valve core of the hand-operated valve, and then the opening and closing of the pneumatic angle seat valve are controlled to automatically start and stop the pneumatic drainage pump, the air supply source of the pneumatic drainage pump can be used as power to control the starting and the stopping of the pneumatic drainage pump, extra power supply is not needed, the intrinsic safety is achieved, and the pneumatic drainage pump can be used in a return air roadway.
In the above, the technical solutions of the embodiments of the present invention are described in detail with reference to specific embodiments, and the described specific embodiments are used to help understanding the ideas of the embodiments of the present invention. The derivation and modification made by the person skilled in the art on the basis of the specific embodiment of the present invention also belong to the protection scope of the embodiment of the present invention.
Claims (4)
1, A pneumatic drain pump control system, comprising a float transmission device and a pneumatic control device, wherein,
the buoy transmission device comprises a protective cover, a buoy and a transmission rod, wherein the buoy and the transmission rod are positioned in the protective cover;
the pneumatic control device comprises a three-way connector, a pneumatic angle seat valve and a hand-operated valve, wherein the th end of the three-way connector is used for being connected with an air supply pipeline, the second end of the three-way connector is connected with the th end of the pneumatic angle seat valve, the third end of the three-way connector is connected with the air inlet end of the hand-operated valve, the air outlet end of the hand-operated valve is connected with the air inlet end of the pneumatic angle seat valve pneumatic control head, the hand-operated valve is installed on a protective cover, the th end of a transmission rod penetrates out of the protective cover to be connected with a valve core of the hand-operated valve, the transmission rod drives the valve core of the hand-operated valve to lift, and the second;
the upper baffle is fixed on the transmission rod, and the buoy drives the transmission rod to ascend through the upper baffle;
the lower baffle is fixed on the transmission rod, and the buoy drives the transmission rod to descend through the lower baffle;
the magnetic shield also comprises a th magnet and a second magnet, wherein a th pole of the th magnet is opposite to a second pole of the second magnet, the magnetism of the th pole of the th magnet is opposite to that of the second pole of the second magnet, the th magnet is fixed on the upper baffle, and the second magnet is fixed on the protective cover;
the th end of the guide rod is fixed on the upper baffle, the second end of the guide rod penetrates through the magnet and the second magnet and penetrates out of the protective cover, and the guide rod goes up and down along with the th magnet;
wherein, the valve core of the hand-operated valve is hinged with the transmission rod;
the pneumatic control device also comprises a filtering pressure reducing valve, and two ends of the filtering pressure reducing valve are respectively connected with the third end of the three-way joint and the air inlet end of the hand-operated valve.
2. The pneumatic drain pump control system of claim 1, wherein the bottom of the protective cover has a guide seat with a receptacle therein, and the second end of the drive rod is received in the receptacle of the guide seat.
3. The pneumatic drain pump control system of claim 1, wherein the th magnet, the second magnet, and the guide bar are each at least two in number, and the two th magnets, the two second magnets, and the two guide bars are located on either side of the drive bar.
4, a pneumatic drain pump control method based on the pneumatic drain pump control system of any of claims 1-3- , comprising:
the float bowl drives the transmission rod to ascend, the transmission rod drives the valve core of the hand-operated valve to move upwards, gas in the gas supply pipeline enters the pneumatic angle seat valve through the hand-operated valve, the pneumatic angle seat valve is opened, and gas in the gas supply pipeline enters the pneumatic drainage pump through the pneumatic angle seat valve to drive the pneumatic drainage pump to work;
the float bowl drives the transmission rod to descend, the transmission rod drives the valve core of the hand-operated valve to move downwards, gas in the gas supply pipeline enters the pneumatic angle seat valve through the hand-operated valve, and the pneumatic angle seat valve is closed so as to control the stop of the pneumatic drainage pump.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810323568.5A CN108661706B (en) | 2018-04-12 | 2018-04-12 | Pneumatic drainage pump control system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810323568.5A CN108661706B (en) | 2018-04-12 | 2018-04-12 | Pneumatic drainage pump control system and method |
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| CN108661706B true CN108661706B (en) | 2020-01-31 |
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| CN112096594B (en) * | 2020-07-20 | 2022-03-29 | 浙江靖海泵阀有限公司 | Valve for automatically discharging accumulated water of pump |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE10020359A1 (en) * | 2000-04-26 | 2001-10-31 | Boerner Wolf Dieter | Pneumatic discharge device for raising sewage or effluent from underground installation, has collection vessel with vertical pipe leading to inlet and stand pipe leading to exit |
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| CN206554973U (en) * | 2016-12-01 | 2017-10-13 | 赵津平 | A kind of air pump Auto-drainage control system |
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2018
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| DE10020359A1 (en) * | 2000-04-26 | 2001-10-31 | Boerner Wolf Dieter | Pneumatic discharge device for raising sewage or effluent from underground installation, has collection vessel with vertical pipe leading to inlet and stand pipe leading to exit |
| GB2480443A (en) * | 2010-05-18 | 2011-11-23 | Michael Barnes | Device to protect an air operated double diaphragm (AODD) pump from running dry or stalled, or for barrier protection |
| CN202659474U (en) * | 2012-07-14 | 2013-01-09 | 长治市安可自控工程有限公司 | Automatic water level control device of mine air pump |
| CN203374303U (en) * | 2013-07-19 | 2014-01-01 | 淮南润成科技股份有限公司 | Negative pressure water releasing device |
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| CN106194711A (en) * | 2016-08-29 | 2016-12-07 | 天津实德新型建材科技有限公司 | Vacuum pump water inlet valve improved structure |
| CN206000568U (en) * | 2016-09-06 | 2017-03-08 | 辽宁华科中煤装备有限公司 | Pneumatic positive/negative-pressure automatic bleeder |
| CN206144601U (en) * | 2016-09-24 | 2017-05-03 | 山西汾西矿业（集团）有限责任公司 | A automatic water discharging device for gas drainage pipeline |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108661706A (en) | 2018-10-16 |
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