CN109914579B - Pumping and storage device and transportation tool with same - Google Patents
Pumping and storage device and transportation tool with same Download PDFInfo
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- CN109914579B CN109914579B CN201711321657.8A CN201711321657A CN109914579B CN 109914579 B CN109914579 B CN 109914579B CN 201711321657 A CN201711321657 A CN 201711321657A CN 109914579 B CN109914579 B CN 109914579B
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Abstract
The invention provides a pumping and storage device, comprising: a containing groove; the processing tank is provided with a feeding port, the processing tank is provided with a first tank, the bottom of the first tank is provided with a first valve, the first valve is connected with a second tank, the bottom of the second tank is provided with a second valve, the second valve is connected with the accommodating tank, the processing tank is provided with a first control valve, the first control valve is provided with a first communicating pipe connected with the first tank and a second communicating pipe connected with the second tank, the processing tank is provided with an actuating cylinder to drive an actuating rod to do telescopic action, the actuating rod is provided with a first valve plate and a second valve plate which can control the opening and closing of the first valve and the second valve, the processing tank is provided with a second control valve, and the second control valve is communicated with the first tank; and a vacuum pump having a pipeline connecting the vacuum pump and the second control valve. And the pumping and storage device can be arranged on a transport tool.
Description
Technical Field
The present invention relates to a pumping device, and more particularly to a pumping device that can be coupled to a vehicle.
Background
As a result of urbanization, people are highly concentrated in cities, water consumption and sewage amount are increasing with the increase of urban population, sewage treatment becomes an important subject, and sewage is mostly concentrated to a sewage treatment plant through a sewage treatment pipeline to be properly treated at present. However, the sewage often flows into the treatment pipeline together with substances such as oil stain, sludge, impurities and the like, and the pipeline is easily blocked. In order to maintain the smoothness of pipelines and be necessary for regular maintenance, the pumping storage tank wagon is an important tool for cleaning substances such as ditch sludge, septic tank sewage or chemical pollutants in a chemical storage tank, and the pumping storage tank wagon can move the substances blocking the pipelines into the storage tank and transport the substances to a professional treatment field for treatment. The existing pumping storage tank truck is provided with a containing groove for containing substances, one end of a feeding port is communicated with the containing groove, a vacuum pump is communicated with the containing groove, before the substances are sucked, the vacuum pump is started firstly to discharge gas in the containing groove, so that a vacuum state is formed in the containing groove and vacuum suction can be generated, and the other end of the feeding port extends into the bottom of a ditch, a septic tank or a chemical storage tank, so that the substances enter the containing groove through the feeding port.
However, the conventional storage tank car has a large storage tank, so that a large vacuum pump is required, and the manufacturing cost of the storage tank car is increased; moreover, a long waiting time is required to form a vacuum state in the accommodating groove; in addition, when the storage tank car is in vacuum operation, the volatile organic compounds stored in the storage tank will be exhausted to the atmosphere along with the suction of the vacuum pump, which causes the problem of air pollution.
In view of the above, there is a need for an improved pumping device.
Disclosure of Invention
In the present invention, the directions and approximate expressions, such as "front", "back", "top", "bottom", "inner", "outer", "side", etc., are mainly referred to the directions of the attached drawings, and are only used for assisting the explanation and understanding of the embodiments of the present invention, and are not used to limit the present invention.
In order to solve the above problems, an object of the present invention is to provide a pumping and accumulating apparatus which can perform a cleaning operation in a short time using a small-sized vacuum pump and can reduce an effect of discharging a volatile gas into the atmosphere when accommodating the volatile substance.
It is a further object of the present invention to provide a vehicle having such a pumping device.
In order to achieve the purpose, the invention adopts the technical scheme that:
a pumping device, comprising:
a containing groove;
a processing tank, which has a feeding port and a first tank communicated with the feeding port, the bottom of the first tank has a first valve connected with a second tank, the bottom of the second tank has a second valve connected with the containing tank, the processing tank has a first control valve, the first control valve has a first communicating pipe connected with the first tank and a second communicating pipe connected with the second tank, the processing tank has an actuating cylinder to drive an actuating rod to make telescopic action, the actuating rod has a first valve plate and a second valve plate and can make open and close control to the first valve and the second valve, the processing tank has a second control valve, the second control valve is communicated with the first tank; and a process for the preparation of a coating,
a vacuum pump, a pipeline connecting the vacuum pump and the second control valve.
The pumping and accumulating device is characterized in that the feeding port of the treatment tank is provided with a rotational flow piece.
The pumping and accumulating device is characterized in that the actuating cylinder is provided with a push rod, and the push rod is connected with the actuating rod through a coupling.
The pumping and storage device is characterized in that the actuating rod above and below the first valve plate is respectively provided with a first ring block and a second ring block, the distance between the first ring block and the second ring block is larger than the thickness of the first valve plate, the actuating rod above and below the second valve plate is respectively provided with a third ring block and a fourth ring block, and the distance between the third ring block and the fourth ring block is larger than the thickness of the second valve plate.
The pumping storage device is characterized in that the treatment tank is provided with a protection assembly, the protection assembly is provided with a containing chamber, the bottom of the containing chamber is provided with at least one bottom hole, the bottom hole is communicated with the first tank, the top of the containing chamber is provided with an air hole, the air hole is connected with a connecting channel, a floating ball is arranged in the containing chamber, and the floating ball can float in the containing chamber to enable the first tank to keep flowing with the gas in the containing chamber.
The pumping and storing device is characterized in that the air hole can be blocked when the floating ball floats and rises so as to isolate the circulation of gas in the first groove and the communicating channel.
In the pumping device, the actuating rod is sleeved in a shaft sleeve, and the shaft sleeve is connected to the inner wall of the first groove through a rod piece.
The pumping and accumulating device is characterized in that the treatment tank is provided with a filter member, the filter member is connected with the second control valve through an air inlet, a filter is arranged in the filter member, and the filter member is communicated with the vacuum pump through the pipeline.
The pumping and accumulating device, wherein the filtering member has a pressure relief valve.
The invention also provides a transport means, characterized in that: the pumping and storage device is provided.
Therefore, the pumping and storing device can suck the substance to be pumped into the processing tank by virtue of the pressure difference between the processing tank and the external air pressure, and can move the pumped substance into the containing tank from the inside of the processing tank by virtue of the actuation of the actuating cylinder. In addition, in the extraction operation of volatile substances, because only vacuum extraction is carried out on the treatment tank, and the volatile substances are accommodated in the accommodating tank, the volatile gases in the accommodating tank can not be discharged by the vacuum pump, so that the effect of reducing air pollution can be achieved, and the storage device can be arranged on a transport tool, and has the effects of conveniently moving and transporting the substances.
In addition, the feeding port of the processing tank is provided with a rotational flow piece. Therefore, the sludge, the liquid dung or the chemical pollutants entering the treatment tank from the feeding port can form stable vortex flow, and the effects of greater loss and more volatilization caused by impact can be avoided.
In addition, the actuating cylinder has a push rod connected to an actuating rod via a coupling. Therefore, the push rod and the actuating rod can be separated, and the effect of convenient maintenance and replacement is achieved.
In addition, the actuating rod above and below the first valve plate is respectively provided with a first ring block and a second ring block, the distance between the first ring block and the second ring block is larger than the thickness of the first valve plate, the actuating rod above and below the second valve plate is respectively provided with a third ring block and a fourth ring block, and the distance between the third ring block and the fourth ring block is larger than the thickness of the second valve plate. Therefore, the actuating rod can indirectly drive the first valve plate and the second valve plate to act.
In addition, the processing tank is provided with a protection assembly, the protection assembly is provided with a containing chamber, the bottom of the containing chamber is provided with at least one bottom hole, the bottom hole is communicated with the first tank, the top of the containing chamber is provided with an air hole, the air hole is connected with a connecting channel, the containing chamber is internally provided with a floating ball, and the floating ball can float in the containing chamber to ensure that the gas in the first tank and the gas in the containing chamber keep flowing. Therefore, the protection assembly has the effect of blocking the circulation of the gas in the first groove and the communication channel, and further preventing the substance to be extracted from continuously entering the first groove so as to prevent the pumping and storage device from being damaged.
In addition, the floating ball can block the air hole when floating to lift so as to isolate the circulation of the air in the first groove and the communication channel. Therefore, when the substance stored in the first groove is fully loaded, the floating ball can block the air hole, so that the gas can not continuously circulate.
In addition, the actuating rod is sleeved in a shaft sleeve, and the shaft sleeve is connected to the inner wall of the first groove through a rod piece. Therefore, the shaft sleeve has the effect of supporting the actuating rod to do linear axial motion.
In addition, the processing tank is provided with a filtering component which is connected with the second control valve through an air inlet, a filter is arranged in the filtering component, and the filtering component is communicated with the vacuum pump through the pipeline. Therefore, the gas extracted from the first groove can be filtered by the filter component and then discharged from the pipeline.
In addition, the filter member has a pressure relief valve. Therefore, when the pressure in the second groove and the first groove is abnormal, the pressure relief valve can be opened and introduces external air into the pressure relief valve, and the effect of preventing the vacuum pump from being damaged due to idling is achieved.
Drawings
FIG. 1 is a schematic diagram of a preferred embodiment of the present invention.
FIG. 2 is a structural view of a preferred embodiment of the treating tank of the present invention.
Fig. 3 is a partially enlarged view as shown in fig. 2.
Fig. 4 is a view showing the operation rod shown in fig. 3 being lifted.
Fig. 5 is a view of the first valve shown in fig. 2 with the first valve open and the second valve closed.
Fig. 6 is a view showing the case where the actuating rod shown in fig. 2 is abnormally prevented from being downwardly extended.
Fig. 7 is a diagram illustrating the situation that the first valve sheet slides on the second ring block when the abnormality is occurred as shown in fig. 6.
Figure 8 shows the actuator rod of figure 2 in an abnormal non-retracted condition.
Detailed Description
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail as follows:
referring to fig. 1, a preferred embodiment of the pumping and storage device of the present invention includes a containing tank 1, a processing tank 2 and a vacuum pump 3, wherein the processing tank 2 is connected to the containing tank 1, the vacuum pump 3 is connected to the processing tank 2 via a pipeline 31, and the pumping and storage device can be disposed in a transportation vehicle to facilitate the movement and transportation of the pumping and storage device.
The accommodating groove 1 is an accommodating space for storing substances, and the accommodating groove 1 can be made of stainless steel, high-carbon steel or aluminum alloy, and can be selected according to the characteristics of the substances to be loaded, which is not limited in the present invention.
Referring to fig. 2, the processing tank 2 has a feeding port 21 and a first tank 22 communicated with the feeding port 21, the feeding port 21 can be connected to a feeding pipe, so that one end of the feeding port 21 can be close to the material to be sucked, so that the material can enter the processing tank 2 through the feeding port 21, the feeding port 21 preferably has a rotational flow member 211, so that the sludge, liquid dung or chemical pollutants entering the processing tank 2 through the feeding port 21 can form a stable vortex flow, and will not cause larger escape and more volatilization due to impact. The processing tank 2 has a first tank 22, the bottom of the first tank 22 has a first valve 221, the first valve 221 is used to connect with a second tank 23, the bottom of the second tank 23 has a second valve 231, and the second valve 231 is used to connect the second tank 23 and the accommodating tank 1.
The processing tank 2 has a timing control member (not shown) and a control unit (not shown), the timing control member (not shown) can be set to a predetermined time to make the control unit control a first control valve 24 to operate, the first control valve 24 has a first communication pipe 24a, the first communication pipe 24a is communicated with the first tank 22, the first control valve 24 further has a second communication pipe 24b, the second communication pipe 24b is communicated with the second tank 23, the first control valve 24 can make the first communication pipe 24a and the second communication pipe 24b form communication or closing control, the first control valve 24 can be a pneumatic valve or a solenoid valve, etc., which are not limited in the present invention.
The processing tank 2 has a cylinder 25, the timing member and the control unit can be set to a predetermined time to make the control unit control the operation of the cylinder 25, the cylinder 25 can be a cylinder or a hydraulic cylinder, and the invention is not limited thereto. In this embodiment, the actuating cylinder 25 can be an air cylinder, the actuating cylinder 25 can make a push rod 251 move in a telescopic manner, one end of the push rod 251 is connected with an actuating rod 26, the connection between the push rod 251 and the actuating rod 26 is preferably connected by a coupling 252, so that the push rod 251 and the actuating rod 26 can be separated for convenient maintenance and replacement. The actuating rod 26 has a first valve plate 26a and a second valve plate 26b, the first valve plate 26a can control the opening and closing of the first valve 221, the second valve plate 26b can control the opening and closing of the second valve 231, in order to control the opening and closing of the first valve plate 26a and the second valve plate 26b, the actuating rod 26 above and below the first valve plate 26a has a first ring block 261 and a second ring block 262, respectively, and the actuating rod 26 above and below the second valve plate 26b has a third ring block 263 and a fourth ring block 264, respectively.
The distance between the first ring 261 and the second ring 262 is greater than the thickness of the first valve plate 26a, and the distance between the third ring 263 and the fourth ring 264 is greater than the thickness of the second valve plate 26 b. The first valve plate 26a and the second valve plate 26b can move axially relative to the actuating rod 26, the first ring block 261, the second ring block 262, the third ring block 263 and the fourth ring block 264 are immovably fixed on the actuating rod 26, so that when the actuating rod 26 moves axially, the first ring block 261 and the second ring block 262 can push the first valve plate 26a to control the opening and closing of the first valve 221, and the third ring block 263 and the fourth ring block 264 can push the second valve plate 26b to control the opening and closing of the second valve 231. The actuating rod 26 is preferably inserted into a sleeve 265, and the sleeve 265 is connected to the inner wall of the first groove 22 by the rod 222, so that the sleeve 265 has the effect of supporting the actuating rod 26 to move linearly and axially.
The processing tank 2 has a protection component 27, the protection component 27 has a chamber 271, the bottom of the chamber 271 has at least one bottom hole 272, the bottom hole 272 communicates with the first tank 22, the top of the chamber 271 has an air hole 273, the air hole 273 is connected with a connecting channel 274, a floating ball 275 is placed in the chamber 271, the floating ball 275 has a smaller mass density, so that the floating ball 275 can float in the chamber 271, the floating ball 275 cannot block all the bottom holes 272, and the gas in the first tank 22 and the chamber 271 can keep circulating; when the substance flows into the chamber 271 through the at least one bottom hole 272, the floating ball 275 is floated and lifted by the buoyancy force and can block the air hole 273, so as to isolate the gas communication between the first groove 22 and the communication channel 274.
The processing tank 2 may further comprise a second control valve 276, the second control valve 276 is connected to the connecting channel 274 and the pipeline 31, and after the second control valve 276 is opened, the vacuum pump 3 can pump the gas in the first tank 22 and the second tank 23, so that a vacuum can be formed in the first tank 22 and the second tank 23, and the pressure in the first tank 22 and the second tank 23 is less than the atmospheric pressure.
The processing tank 2 preferably has a filtering member 28, and the filtering member 28 has a filter 282 therein for filtering the gas flowing out from the first tank 22 to intercept particles or impurities in the gas, so that the gas in the first tank 22 can be filtered by the filter 282, then enters the vacuum pump 3 through the pipeline 31, and is exhausted from the vacuum pump 3. In this embodiment, the filter member 28 has an air inlet 281, the air inlet 281 is connected to the second control valve 276, and after the air enters the filter member 28 through the air inlet 281, the filter 282 can filter the air entering through the air inlet 281 and then discharge the filtered air through the pipeline 31. The filtering member 28 further has a pressure relief valve 283, the pressure relief valve 283 is closed under normal conditions, so that the filtering member 28 can be isolated from the atmosphere, however, when the pressure inside the chamber 271 is abnormal, the pressure relief valve 283 can be automatically opened to introduce external air into the pressure relief valve 283 and flow out from the pipeline 31, thereby preventing the vacuum pump 3 from being damaged. The treatment tank 2 preferably has a maintenance opening 29, and the maintenance opening 29 can be opened or closed by a cover, so that maintenance personnel can conveniently perform maintenance work.
Referring to fig. 1 and 2, the vacuum pump 3 is connected to the second control valve 276 via the pipeline 31, so that the gas in the first tank 22 can be exhausted out of the pumping device by the vacuum pump 3.
Referring to FIGS. 2 and 3, when the processing tank 2 is to be pumped, the timing member can turn on the first control valve 24, the second control valve 276 and the vacuum pump 3 and actuate the cylinder 25. The opening of the first control valve 24 can make the first communicating pipe 24a and the second communicating pipe 24b form communication; the opening of the second control valve 276 allows the communication passage 274 to communicate with the intake port 281; the vacuum pump 3 is turned on to continuously pump air in the first tank 22 to flow into the accommodating tank 1 through the accommodating chamber 271, the communication passage 274, the second control valve 276, the air inlet 281 and the pipeline 31, and gradually make the first tank 22 and the second tank 23 in a vacuum state. The push rod 251 of the actuating cylinder 25 can drive the actuating rod 26 to extend downward, and the first ring 261 is lowered to push the first valve plate 26a, so that the first valve plate 26a leaves the first valve 221 and falls on the second ring 262, and, the third ring 263 descends and pushes the second valve plate 26b, so that the second valve plate 26b closes the second valve 231, and thus, can isolate the second groove 23 from the gas in the containing groove 1 to shorten the time for forming the vacuum state between the first groove 22 and the second groove 23, and the sludge, liquid dung or chemical pollutants to be pumped can enter the first tank 22 and the second tank 23 from the material inlet 21, when the material inlet 21 has the rotational flow member 211, the sludge, the liquid dung or the chemical pollutants and other substances can form stable vortex flow, and larger dissipation and more volatilization effects can not be caused by impact.
Referring to fig. 4, when the predetermined pumping time is reached, the control unit may close the first control valve 24 to make the first communicating pipe 24a and the second communicating pipe 24b form a non-communicating state, and the actuating cylinder 25 may perform an ascending and retracting action, when the actuating rod 26 performs the ascending and retracting action, since the first valve plate 26a originally falls on the second ring block 262, the second ring block 262 may drive the first valve plate 26a to move upwards, and at this time, the fourth ring block 264 is still a distance away from the second valve 231 and the second valve plate 26 b. When the first valve plate 26a approaches the first valve 221, the first valve plate 26a is moved toward the first valve 221 rapidly to close the first valve 221 due to the pressure difference between the first groove 22 and the second groove 23, so as to isolate the first groove 22 and the second groove 23. When the fourth ring block 264 contacts the second valve plate 26b, the fourth ring block 264 pushes the second valve plate 26b to move upward to open the second valve 231 (as shown in fig. 5), at this time, the substance stored in the second tank 23 can fall into the accommodating tank 1 through the second valve 231, and the first tank 22 can maintain a vacuum state because the first valve 221 is closed by the first valve plate 26a, and the second tank 22 can be moved to a closed position.
When the push rod 251 of the actuating cylinder 25 retracts to a predetermined time, the control unit actuates the actuating cylinder 25 again, so that the push rod 251 drives the actuating rod 26 to move downward again, so that the first valve plate 26a and the second valve plate 26b can actuate the first valve 221 and the second valve 231 respectively again, and the control unit actuates the first control valve 24 to communicate the first communicating pipe 24a and the second communicating pipe 24b, so that the second tank 23 gradually becomes a vacuum state. When the internal pressure of the second tank 23 is equal to the internal pressure of the first tank 22, and the weight of the sludge, the liquid dung, or the chemical pollutants in the first tank 22 is larger than the weight of the first valve plate 26a, the first valve plate 26a slides along the actuating rod 26 onto the second ring 262, so that the first valve 221 is opened (as shown in fig. 2), and the sludge, the liquid dung, or the chemical pollutants in the first tank 22 can fall into the second tank 23. Thus, the actuating cylinder 25 is sequentially actuated for a predetermined time set by the timing member, so that the actuating rod 26 is repeatedly extended or retracted, and the pumped substance is continuously sucked into the first tank 22 and the second tank 23 of the treating tank 2 and is displaced into the accommodating tank 1.
Referring to fig. 6, when the control member fails or the actuating cylinder 25 is abnormal and cannot drive the actuating rod 26 to extend downward, even if the second valve 231 cannot be closed due to the abnormality of the second valve piece 26b on the actuating rod 26, the first control valve 24 simultaneously communicates the first communicating pipe 24a with the second communicating pipe 24b when the actuating rod 26 is pushed downward by the push rod 251 of the actuating cylinder 25, so that the second tank 23 gradually assumes a vacuum state through the first communicating pipe 24a and the second communicating pipe 24b, when the internal pressures of the second tank 23 and the first tank 22 are equal, the first tank 23 and the first tank 22 are equal, and the weight of the sludge, the fecal sewage or the chemical pollutants stored in the first tank 22 is equal, so that the first valve piece 26a can slide down on the second ring block 262 along the actuating rod 26 (as shown in fig. 7), the first valve 221 is opened, so that the sludge, liquid dung or chemical pollutants in the first tank 22 can enter the second tank 23 through the first valve 221 and fall into the containing tank 1 through the second valve 231, and thus the operating cylinder 25 can operate normally even if an abnormality occurs, and no harm will occur.
Referring to fig. 8, when the control member fails or the cylinder 25 fails to operate the rod 251 to retract the actuating rod 26, the second valve plate 26b on the actuating rod 26 cannot open the second valve 231. And the first control valve 24 is closed to prevent the first communication pipe 24a and the second communication pipe 24b from communicating with each other. Thus, the sludge, fecal sewage or chemical pollutants in the second tank 23 cannot fall into the container 1 through the second valve 231. Meanwhile, the first valve plate 26a will not close the first valve 221, so that the second tank 23 and the first tank 22 are filled with sludge, liquid dung or chemical pollutants, thus, the substances can enter the chamber 271 through the at least one bottom hole 272, so as to lift the floating ball 275 and block the air hole 273 above the chamber 271 to isolate the gas communication between the first groove 22 and the communicating channel 274, so as to prevent the outflow of sludge, liquid dung or chemical pollutants, and when the pressure in the second tank 23 and the first tank 22 is abnormal, the pressure relief valve 283 can be opened to introduce external air into the pressure relief valve 283 and flow out of the pipeline 31, so as to prevent the vacuum pump 3 from being damaged due to idling, and prevents sludge, fecal matter, or chemical contaminants from continuing into the first tank 22.
Since the vacuum is only required to be applied to the treatment tank having a small volume, the upright cylindrical treatment tank 2 is set to 42.5cm × 42.5.5 cm × 3.14.14 3.14 × 65cm 368655cm3For example, the cross-sectional surface area of the volatile organic substance in the processing bath 2 in contact with the vacuum zone in the processing bath 2 is only 42.5cm × 42.5.5 cm × 3.14.14-5671 cm2The processing container 1 having the horizontal cylindrical shape is 97.5cm × 97.5.5 cm × 3.14.14 3.14 × 560cm 16715790cm3For example, the surface area of the vacuum region in contact with which the conventional container 1 is evacuated is a cross section (length × width), that is, (97.5cm × 2) × 560cm to 109200cm2. The surface area is 109200cm2Is 5671cm219.26 times of (a), calculated as: 109200cm2÷5671cm2As shown in 19.26, the present invention can reduce air pollution by 19.26 times compared with the conventional pumping device, and the time taken to pump vacuum in the processing tank with a small volume can be shortened by 45 times, which is calculated by the following formula: 16715790cm3÷5671cm3Yield 45.34.
In summary, the pumping and storing device of the present invention can suck the substance to be pumped into the processing tank by the pressure difference between the processing tank and the external air pressure, and can move the pumped substance from the inside of the processing tank to the containing tank by the actuation of the actuating cylinder. In addition, in the extraction operation of volatile substances, because only vacuum extraction is carried out on the treatment tank, and the volatile substances are accommodated in the accommodating tank, the volatile gases in the accommodating tank can not be discharged by the vacuum pump, so that the effect of reducing air pollution can be achieved, and the storage device can be arranged on a transport tool, and has the effects of conveniently moving and transporting the substances.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. A pumping device, comprising:
a containing groove;
a processing tank, which has a feeding port and a first tank communicated with the feeding port, a first valve at the bottom of the first tank and connected with a second tank, a second valve at the bottom of the second tank and connected with the containing tank, a first control valve at the bottom of the first tank and connected with the first tank and the second tank, a motion cylinder at the bottom of the second tank to drive a motion rod to do telescopic motion, a first valve plate and a second valve plate on the motion rod and capable of controlling the first valve and the second valve to open and close, a first ring block and a second ring block on the motion rod above and below the first valve plate, a distance between the first ring block and the second ring block being larger than the thickness of the first valve plate, a second ring block on the second valve plate, The lower actuating rod is respectively provided with a third ring block and a fourth ring block, the distance between the third ring block and the fourth ring block is larger than the thickness of the second valve plate, the processing tank is provided with a second control valve, and the second control valve is communicated with the first tank; and a process for the preparation of a coating,
a vacuum pump, a pipeline connecting the vacuum pump and the second control valve.
2. The pumped storage device of claim 1 wherein the inlet of the treatment tank has a swirl member.
3. The device of claim 1, wherein the actuating cylinder has a pushrod coupled to the actuating rod.
4. The evacuation device according to claim 1, wherein the treatment tank comprises a protection member, the protection member comprises a chamber, the chamber has at least one bottom hole at a bottom thereof, the bottom hole is communicated with the first tank, the chamber has a gas hole at a top thereof, the gas hole is connected to a channel, the chamber has a floating ball therein, and the floating ball can float in the chamber to keep the gas in communication with the first tank and the chamber.
5. The device of claim 4, wherein the float ball floats and rises to block the air hole to isolate the first channel from gas communication with the communication channel.
6. The device of claim 1, wherein the actuating rod is received in a sleeve, the sleeve being connected to the inner wall of the first channel by a rod.
7. The apparatus of claim 1, wherein the treatment tank has a filter member connected to the second control valve by an inlet port, the filter member having a filter therein, the filter member being in communication with the vacuum pump by the conduit.
8. The pumping apparatus of claim 7, wherein the filter member has a pressure relief valve.
9. A vehicle, characterized by: having an evacuation device according to any of claims 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711321657.8A CN109914579B (en) | 2017-12-12 | 2017-12-12 | Pumping and storage device and transportation tool with same |
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| CN201711321657.8A CN109914579B (en) | 2017-12-12 | 2017-12-12 | Pumping and storage device and transportation tool with same |
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| CN109914579A CN109914579A (en) | 2019-06-21 |
| CN109914579B true CN109914579B (en) | 2020-10-02 |
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| CA2799808A1 (en) * | 2012-12-21 | 2014-06-21 | Saniprotex Inc. | Vehicle-mounted vacuum system and method of separating liquid and solids fractions of a sludge-like mixture inside a container |
| CN204040181U (en) * | 2014-09-05 | 2014-12-24 | 李大忠 | A kind of novel suction excrement machine |
| CN205822443U (en) * | 2016-07-22 | 2016-12-21 | 徐益敏 | A kind of power-actuated suction-type sewer scavenger |
| CN206267288U (en) * | 2016-12-15 | 2017-06-20 | 刘江 | A kind of suction-type sewer scavenger with vacuum sewage case |
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| CN109914579A (en) | 2019-06-21 |
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