CN212924481U - Cyclone desander with pressurization gas circuit - Google Patents
Cyclone desander with pressurization gas circuit Download PDFInfo
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- CN212924481U CN212924481U CN201922267409.0U CN201922267409U CN212924481U CN 212924481 U CN212924481 U CN 212924481U CN 201922267409 U CN201922267409 U CN 201922267409U CN 212924481 U CN212924481 U CN 212924481U
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- clear liquid
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Abstract
The utility model provides a cyclone desander with a pressurized gas circuit, which is used for solving the technical problems that the cyclone desander in the prior art has poor separation effect, sewage and clean water are easy to mix with each other, the device has large volume, the separation effect is fixed and can not be adjusted, the compatible sewage has few types, solid particles are easy to deposit, and organic matters can not be separated; by implementing the technical scheme of the utility model, the adjustable high-pressure gas circuit is arranged, the processing capacity and compatibility of the device are improved, and the separation of organic matters is realized; the clear liquid pipe is arranged to avoid the contact of the sewage with lower flow velocity and the clear liquid, so that the sewage and the clear liquid can be prevented from being mixed; the sewage flows into the diversion cavity along the tangential direction of the diversion end, and the sludge outlet is positioned at the lowest part of the device, so that the accumulation of solid particles in the sewage in the device can be reduced.
Description
Technical Field
The utility model relates to a solid-liquid separation equipment field, in particular to cyclone desander with pressurization gas circuit.
Background
The sewage often contains a large amount of organic matters and inorganic matters, wherein the inorganic matters mainly comprise heavy metal salts and fine sand. Wherein, the heavy metal salt has great harm and has toxic action on animals and plants; the fine sand tends to have a high content and tends to clog fine pipes, so that it is necessary to perform solid-liquid separation on the liquid.
In the prior art, a cyclone desander is often used for carrying out solid-liquid separation on sewage. However, the existing cyclone desander has an imperfect structure, poor separation effect, easy mutual mixing of sewage and clean water, large device volume, fixed separation effect, unadjustable separation effect, less compatible sewage types and easy occurrence of solid particle siltation. Meanwhile, the cyclone desander mainly utilizes centrifugal force to separate, so that organic matters cannot be effectively separated.
Therefore, a cyclone desander which has the advantages of good separation effect, small volume, controllable separation effect, difficult deposition of solid particles and capability of separating organic matters in water is needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a whirl desander with pressurization gas circuit which discloses, the technical scheme of the utility model is implemented like this:
a cyclone desander with pressurized gas circuits comprising: the device comprises an outer shell, a cyclone tube, a partition plate and an air blowing system; the outer shell is provided with a sewage inlet, a clear liquid outlet and a sludge outlet, and the sludge outlet is arranged at the bottom of the outer shell; the cyclone tube is arranged in the outer shell and is hermetically connected to the top of the outer shell; the baffle plate is arranged in the outer shell and is hermetically connected to the outer shell and the cyclone tube, the space between the outer shell and the cyclone tube is divided into a flow guide cavity and a separation cavity, one end of the cyclone tube, which is positioned in the flow guide cavity, is a flow guide end, and the other end of the cyclone tube is a screw-out end; the sewage inlet is communicated with the flow guide cavity; the air blowing system comprises a high-pressure air source and an air guide pipe, one end of the air guide pipe is connected to the high-pressure air source, and the other end of the air guide pipe is connected to the cyclone pipe and communicated with the flow guide cavity; the flow guide end is provided with a plurality of gas-liquid mixers, and the gas-liquid mixers are communicated with the flow guide cavity and the interior of the cyclone tube; the clear liquid outlet is communicated with the separation cavity.
Preferably, the gas-liquid mixer is a high-pressure fine water mist nozzle.
Preferably, the gas path pressurization cyclone desander also comprises a bracket, a clear liquid guide pipe and a clear liquid pipe; the bracket is arranged at the bottom of the outer shell and fixed to the inner wall of the outer shell, and is provided with a clear liquid hole which is arranged on the axis of the rotational flow pipe; the clear liquid pipe is arranged in the cyclone pipe, one end of the clear liquid pipe is hermetically connected to the clear liquid outlet, and the axis of the clear liquid pipe is superposed with the axis of the cyclone pipe; one end of the clear liquid guide pipe is arranged in the separation cavity, and the other end of the clear liquid guide pipe is connected to the other side of the clear liquid hole.
Preferably, the flow area of the sewage inlet is S1, the flow area between the cyclone pipe and the clear liquid pipe is S2, the flow area of the separation cavity is S3, the ratio of S1 to S2 ranges from 1 to 3, and the ratio of S3 to S2 ranges from 1 to 10.
Preferably, the air duct is provided with a pressure stabilizing valve.
Preferably, the pressure stabilizing valve is an intelligent pressure stabilizing valve, and the air blowing system further comprises a controller, wherein the controller is electrically connected to the pressure stabilizing valve and controls the opening of the pressure stabilizing valve.
Preferably, the sewage inlet is provided with an inlet pressure gauge, and the clear liquid outlet and/or the sludge outlet is provided with an outlet pressure gauge.
Preferably, the inlet pressure gauge and the outlet pressure gauge are electrically connected to the controller, and transmit the detection result to the controller.
Preferably, the direction of the sewage inlet is arranged to be tangential to the flow guide end.
Preferably, the gas path pressurization cyclone sand remover further comprises an angle supporting mechanism; the angle support mechanism is connected to the outer housing.
The technical scheme of the utility model can solve the technical problems that the cyclone desander has poor separation effect, sewage and clean water are easy to mix with each other, the device has large volume, the separation effect is fixed and can not be adjusted, the compatible sewage has few types, solid particles are easy to deposit, and organic matters can not be separated; by implementing the technical scheme of the utility model, the adjustable high-pressure gas circuit is arranged, the processing capacity and compatibility of the device are improved, and the separation of organic matters is realized; the clear liquid pipe is arranged to avoid the contact of the sewage with lower flow velocity and the clear liquid, so that the sewage and the clear liquid can be prevented from being mixed; the sewage flows into the diversion cavity along the tangential direction of the diversion end, and the sludge outlet is positioned at the lowest part of the device, so that the accumulation of solid particles in the sewage in the device can be reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only one embodiment of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive laboriousness.
FIG. 1 is a schematic structural view of a cyclone desander in embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a diversion cavity in embodiment 1 of the present invention;
fig. 3 is a schematic view of a bracket structure of embodiment 1 of the present invention;
FIG. 4 is a schematic structural view of a cyclone desander in embodiment 2 of the present invention;
fig. 5 is a schematic structural view of a cyclone sand remover with an angle support mechanism according to embodiment 2 of the present invention.
In the above drawings, the reference numerals denote:
1-an outer shell; 2-a swirl tube; 201-a diversion end; 202-a screw-out end; 203-gas-liquid mixer; 3-a separator; 4-a scaffold; 5-clear liquid guide pipe; 6-a clear liquid pipe; 7-a sewage inlet; 8-clear liquid outlet; 9-sludge outlet; 10-a flow guide cavity; 11-a separation chamber; 12-clear liquid wells; 13-an air-blowing system; 1301-a high-pressure gas source; 1302-an airway tube; 1303-pressure maintaining valve; 1304-a controller; 14-inlet pressure gauge; 15-outlet pressure gauge; 16-angle support mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
In a specific embodiment of the present invention, a cyclone desander with a pressurized gas circuit comprises: the device comprises an outer shell 1, a cyclone tube 2, a partition plate 3 and an air blowing system 13; wherein, the outer shell 1 is provided with a sewage inlet 7, a clear liquid outlet 8 and a sludge outlet 9, and the sludge outlet 9 is arranged at the bottom of the outer shell 1; the cyclone tube 2 is arranged inside the outer shell 1 and is hermetically connected to the top of the outer shell 1; the partition plate 3 is arranged in the outer shell 1, is hermetically connected to the outer shell 1 and the cyclone tube 2, and divides a space between the outer shell 1 and the cyclone tube 2 into a flow guide cavity 10 and a separation cavity 11, one end of the cyclone tube 2, which is positioned in the flow guide cavity 10, is a flow guide end 201, and the other end of the cyclone tube is a screw-out end 202; the sewage inlet 7 is communicated with the flow guide cavity 10; the air blowing system 13 comprises a high-pressure air source 1301 and an air duct 1302, one end of the air duct 1302 is connected to the high-pressure air source 1301, the other end of the air duct 1302 is connected to the cyclone tube 2 and communicated with the diversion cavity 10; the flow guiding end 201 is provided with a plurality of gas-liquid mixers 203, and the gas-liquid mixers 203 are communicated with the flow guiding cavity 10 and the inner part of the cyclone tube 2; the clear liquid outlet 8 is communicated with the separation cavity 11.
In a preferred embodiment, the cyclone desander with the pressurized gas path further comprises a bracket 4, a clear liquid guide pipe 5 and a clear liquid pipe 6; the bracket 4 is arranged at the bottom of the outer shell 1 and fixed to the inner wall of the outer shell 1, the bracket 4 is provided with a clear liquid hole 12, and the clear liquid hole 12 is arranged on the axis of the cyclone tube 2; the clear liquid pipe 6 is arranged inside the cyclone pipe 2, one end of the clear liquid pipe is hermetically connected to the clear liquid outlet 8, and the axis of the clear liquid pipe 6 is superposed with the axis of the cyclone pipe 2; one end of the clear liquid guide pipe 5 is arranged in the separation cavity 11, and the other end is connected to the other side of the clear liquid hole 12.
In the specific embodiment, the main body of the cyclone desander is made of stainless steel, so that the cyclone desander has higher structural strength and is beneficial to improving the treatment capacity of the device. The cyclone desander is used for treating sewage, and the cyclone desander main body is made of stainless steel materials, so that the service life of the device is prolonged. Users can replace other materials or electroplate chromium-containing alloy on the surface of a structure which contacts sewage in the cyclone desander according to the type of the sewage, and the like, so that the wear resistance and the corrosion resistance of the device are enhanced, and the reliability of the device is improved. All parts of the device can be connected in a non-detachable mode such as welding and the like, and can also be connected in a detachable mode such as bolt connection and the like, so that the device is convenient to detach and clean. The sewage inlet 7, the clear liquid outlet 8 and the sludge outlet 9 can adopt flanges for connecting related equipment to the outside. Can pass through welded fastening between cyclone tube 2 and shell body 1, clear solution honeycomb duct 5 and the support 4 to play sealed effect, also can be fixed through helicitic texture, realize mechanical seal, play the effect of keeping apart rivers.
In the working process of the cyclone desander, a user can pump sewage into the sewage inlet 7 by using an external pump, the air duct 1302 is communicated with the sewage inlet 7, high-pressure gas and the sewage flow into the flow guide cavity 10 together from the sewage inlet 7, are preliminarily mixed in the flow guide cavity 10 and then flow into the cyclone pipe 2 by mixing through the gas-liquid mixer 203. The sewage is rotated around the clear water pipe 6 to the screw-out end 202. In order to prevent the sewage from flowing directly to the cyclone 202, the direction of the output end of the gas-liquid mixer 203 may be inclined and deviated from the radial direction of the cyclone tube 2.
After flowing out of the spiral-out end 202, the sewage flows to the bottom of the device and then flows upwards along the direction from the outer side of the spiral-flow pipe 2 to the partition plate 3, and in the flowing process, impurities are deposited to the bottom of the device under the action of gravity, so that the content of the impurities in the lower liquid of the separation cavity 11 is higher, and the content of the impurities in the upper liquid is lower; meanwhile, the sewage still keeps rotating after flowing out of the screw-out end 202, and impurities are accumulated towards the edge of the device under the action of centrifugal force in the rotating process. Under the combined action of gravity and centrifugal force, the liquid flowing out of the sludge outlet 9 contains a high content of impurities. The clear liquid with less impurities enters the clear liquid hole 12 through the clear liquid draft tube 5 in the separation chamber 11 and then passes through the clear liquid tube 6 from the clear liquid outlet 8.
Along with the continuous flow in cyclone tube 2, the rotational speed of sewage accelerates gradually, and the faster the rotational speed then the better is the solid-liquid separation effect of sewage. Consequently, use longer cyclone tube 2, can improve the treatment effect of device, use shorter cyclone tube 2, can reduce the holistic volume of device, the installation of being convenient for. The user can select suitable cyclone tube 2 specifications according to parameters such as the type of sewage, separation requirement, installation environment.
The clear liquid pipe 6 is provided to prevent the sewage which flows by rotation from being mixed with the clear liquid which flows toward the clear liquid outlet 8. The user can set up clear liquid honeycomb duct 5 in the one end of separation chamber and be close to baffle 3, then impurity content is lower in the clear liquid of collecting, and the particle diameter in the clear liquid is less, keeps away from baffle 3, then impurity content is higher in the clear liquid of collecting, and the particle diameter in the clear liquid is great. The user can select the position of the clear liquid guide pipe 5 according to the subsequent parameters of clear liquid and sludge treatment devices, components in sewage and the like.
In this embodiment, high-pressure air source 1301 is the air compressor machine, and the air compressor machine passes through air duct 1302 and inputs compressed air to sewage entry 7 in, and compressed air's inflow direction is unanimous with the flow direction of sewage, improves the pressure in cyclone tube 2 and the flow speed of sewage to under the prerequisite that does not change the device specification, improve the separating capacity of device greatly, do benefit to the volume that reduces the device, reduce the required time cost of device installation and maintenance and human cost. After the air and the sewage flow out of the spiral-out end 202, most of the air directly flows into the clear liquid draft tube 5 along with the clear liquid through the separation cavity 11 due to the low density.
In a preferred embodiment, the flow area of the sewage inlet 7 is S1, the flow area between the cyclone tube 2 and the clear liquid tube 6 is S2, the flow area of the separation chamber 11 is S3, the ratio of S1 to S2 is in the range of 1-3, and the ratio of S3 to S2 is in the range of 1-10.
In this embodiment, the ratio of S1 to S2 is 2, the ratio of S3 to S2 is 4, and if the sewage flows into the sewage inlet 7 at a velocity v1The flow velocity of the sewage between the cyclone tube 2 and the clear liquid tube 6 is v2The flow velocity of the sewage after leaving the screw-out end 202 is v3Then v is2＝2v1The rotating speed of the sewage in the cyclone tube 2 can be improved; v. of3＝1/4v2The velocity of the effluent after leaving the screw-out end 202 is greatly reduced while the solid particles in the effluent remain relatively highSpeed is favorable for realizing the separation of liquid and solid particles, thereby optimizing the separation effect of the device. The user can select suitable S1 and S2, S3 and S2' S ratio according to parameters such as installation environment, sewage kind, separation requirement, the great then separation effect is better of ratio, the ratio is less then does benefit to the volume that reduces the device, reduces the production degree of difficulty and the manufacturing cost of device.
In a preferred embodiment, the gas-liquid mixer 203 is a high-pressure fine water mist nozzle, sewage and gas form uniformly dispersed high-pressure water mist after passing through the gas-liquid mixer 203 and enter the cyclone tube 2, the flow rate and pressure of the sewage are instantly increased along with the reduction of the flow area, the volume of bubbles in the water mist in the cyclone tube 2 is sharply reduced, the bubbles are condensed into liquid, and the cavitation phenomenon occurs. The space where the original bubbles are located forms local vacuum, sewage near the local vacuum is flushed into a vacuum area, the instantaneous local pressure can reach hundreds of bars, and hydrogen bonds formed by organic matters with the particle size of about 5 mu m in the sewage and water are elongated and easily broken, so that the cyclone desander can separate organic or inorganic impurities with the particle size of about 5 mu m.
In a preferred embodiment, the air duct 1302 is provided with a pressure stabilizing valve 1303, so that the device can be in a stable working state, and the reliability of the device is improved.
In a preferred embodiment, the pressure maintaining valve 1303 is an intelligent pressure maintaining valve 1303, and the air blowing system 13 further includes a controller 1304, wherein the controller 1304 is electrically connected to the pressure maintaining valve 1303, and controls the opening degree of the pressure maintaining valve 1303.
According to the type of sewage, the type and the density of solid particles, a user can control the gas pressure output by the air blowing system 13 through the controller 1304, so that the treatment effect of the cyclone desander meets the target requirement, and meanwhile, the working power of the air compressor can be selected as required, so that the energy consumption is reduced. Meanwhile, the device is suitable for different types of sewage, and the compatibility of the device is improved.
In a preferred embodiment, the sewage inlet 7 is provided with an inlet pressure gauge 14 and the clear liquid outlet 8 and/or the sludge outlet 9 is provided with an outlet pressure gauge 15.
The pressure gauge may use a diaphragm pressure gauge, an inlet pressure gauge 14 for measuring the pressure of the sewage flowing into the apparatus, and an outlet pressure gauge 15 for measuring the pressure of the clear liquid flowing out of the clear liquid outlet 8. The user can preliminarily judge the working condition of the cyclone desander according to the pressure difference between the sewage and the clear liquid, and the reliability of the device is improved.
In a preferred embodiment, the inlet pressure gauge 14 and the outlet pressure gauge 15 are electrically connected to the controller 1304, and the detection results are transmitted to the controller 1304.
The user can preset control logic in the controller 1304, and the controller 1304 selects the input gas pressure according to parameters such as sewage density, flow and treatment requirements input by the user through the sewage pressure and clear liquid pressure obtained in real time, so that the working stability of the device is improved, and the device is suitable for various working modes.
In a preferred embodiment, as shown in fig. 1, 2 and 4, the sewage inlet 7 is oriented tangentially to the flow-guiding end 201. The flowing direction of the sewage which just flows into the diversion cavity 10 from the sewage inlet 7 is tangent to the diversion end 201, so that the sewage in the diversion end 201 can keep rotating around the diversion end 201, the sewage can conveniently flow in a rotating manner after entering the cyclone pipe 2, meanwhile, the deposition of solid particles in the sewage in the diversion cavity 10 can be reduced, the maintenance frequency of the device can be reduced, and the time cost and the labor cost of the maintenance of the device can be reduced.
Example 2
In a preferred embodiment, different from the embodiment 1, the gas path pressurization cyclone desander further comprises an angle supporting mechanism 16; the angle supporting mechanism 16 is connected to the outer shell 1, and the clear liquid outlet 8 is arranged on the side surface of the outer shell 1 and directly communicated with the separation cavity 11.
The angle supporting mechanism 16 can keep the cyclone sand remover inclined, so that the device is suitable for a working environment with lower height. The angle supporting mechanism 16 can be set to enable the sludge outlet 9 to be located at the lowest position of the device, so that sludge can directly flow out of the cyclone desander without other pumping devices, external equipment required by the operation of the cyclone desander is reduced, the sludge treatment system is simplified, and the cost of the system is reduced. When the cyclone sand separator inclines, clear liquid can be mixed with sewage in the diversion pipe 2, which can cause the device to fail, so that in the specific embodiment, the clear liquid outlet 8 is directly communicated with the separation cavity 11, and the clear liquid rises in the separation cavity to the clear liquid outlet 8 to be discharged.
In this embodiment, the angle support mechanism 16 includes a base and a support rod, a fixing member is disposed on the outer surface of the outer housing 1, the support rod is mounted on the base and fixed to the fixing member by bolts, the support rod and the fixing member are detachably fixed, and the angle of the cyclone sand remover can be changed by replacing the support rods with different lengths. The user can be according to the environment of installation scene, the operating condition isoparametric of whirl desander with the whirl desander suitable angle. The base, the supporting rod and the fixing piece are made of stainless steel materials, the strength is high, and sufficient supporting force can be provided for the heavy cyclone desander. The user may also select another angle support mechanism 16 and the connection mode of the angle support mechanism 16 and the outer shell 1.
It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the present invention, and that any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (10)
1. The utility model provides a cyclone desander with pressurization gas circuit which characterized in that includes: the device comprises an outer shell, a cyclone tube, a partition plate and an air blowing system; wherein the content of the first and second substances,
the outer shell is provided with a sewage inlet, a clear liquid outlet and a sludge outlet, and the sludge outlet is arranged at the bottom of the outer shell;
the cyclone tube is arranged in the outer shell and is hermetically connected to the top of the outer shell;
the baffle plate is arranged in the outer shell and is hermetically connected to the outer shell and the cyclone tube, the space between the outer shell and the cyclone tube is divided into a flow guide cavity and a separation cavity, one end of the cyclone tube, which is positioned in the flow guide cavity, is a flow guide end, and the other end of the cyclone tube is a screw-out end;
the sewage inlet is communicated with the flow guide cavity;
the air blowing system comprises a high-pressure air source and an air guide pipe, one end of the air guide pipe is connected to the high-pressure air source, and the other end of the air guide pipe is connected to the cyclone pipe and communicated with the flow guide cavity;
the flow guide end is provided with a plurality of gas-liquid mixers, and the gas-liquid mixers are communicated with the flow guide cavity and the interior of the cyclone tube;
the clear liquid outlet is communicated with the separation cavity.
2. The cyclone desander with a pressurized gas circuit as claimed in claim 1, wherein the gas-liquid mixer is a high pressure water mist nozzle.
3. The cyclone desander with a pressurized gas circuit as claimed in claim 2, further comprising a bracket, a clear liquid guide pipe and a clear liquid pipe; wherein the content of the first and second substances,
the support is arranged at the bottom of the outer shell and fixed to the inner wall of the outer shell, and is provided with a clear liquid hole which is arranged on the axis of the rotational flow pipe;
the clear liquid pipe is arranged in the cyclone pipe, one end of the clear liquid pipe is hermetically connected to the clear liquid outlet, and the axis of the clear liquid pipe is superposed with the axis of the cyclone pipe;
one end of the clear liquid guide pipe is arranged in the separation cavity, and the other end of the clear liquid guide pipe is connected to the other side of the clear liquid hole.
4. The cyclone sand remover with pressurized gas circuit as claimed in claim 3, wherein the flow area of the sewage inlet is S1, the flow area between the cyclone pipe and the clear liquid pipe is S2, the flow area of the separation chamber is S3, the ratio of S1 to S2 is in the range of 1-3, and the ratio of S3 to S2 is in the range of 1-10.
5. The cyclone sand remover with pressurized gas circuit as claimed in claim 4, wherein the gas-guide tube is provided with a pressure-stabilizing valve.
6. The cyclone sand remover with a pressurized gas circuit as claimed in claim 5, wherein the pressure maintaining valve is an intelligent pressure maintaining valve, and the air blowing system further comprises a controller electrically connected to the pressure maintaining valve and controlling the opening degree of the pressure maintaining valve.
7. The cyclone sand remover with pressurized gas circuit as claimed in claim 6, wherein said sewage inlet is provided with an inlet pressure gauge, and said clear liquid outlet and/or sludge outlet is provided with an outlet pressure gauge.
8. The cyclone sand remover with pressurized gas circuit as claimed in claim 7, wherein said inlet pressure gauge and said outlet pressure gauge are electrically connected to said controller, and transmit the detection result to said controller.
9. The cyclone sand remover with pressurized gas circuit as claimed in claim 8, wherein the direction of the sewage inlet is arranged tangentially to the flow guiding end.
10. The cyclone sand remover with pressurized gas circuit as claimed in claim 1, further comprising an angle supporting mechanism; the angle support mechanism is connected to the outer housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922267409.0U CN212924481U (en) | 2019-12-17 | 2019-12-17 | Cyclone desander with pressurization gas circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922267409.0U CN212924481U (en) | 2019-12-17 | 2019-12-17 | Cyclone desander with pressurization gas circuit |
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| CN212924481U true CN212924481U (en) | 2021-04-09 |
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| CN201922267409.0U Expired - Fee Related CN212924481U (en) | 2019-12-17 | 2019-12-17 | Cyclone desander with pressurization gas circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111003747A (en) * | 2019-12-17 | 2020-04-14 | 上海梵煦环境科技有限公司 | Cyclone desander with pressurization gas circuit |
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2019
- 2019-12-17 CN CN201922267409.0U patent/CN212924481U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111003747A (en) * | 2019-12-17 | 2020-04-14 | 上海梵煦环境科技有限公司 | Cyclone desander with pressurization gas circuit |
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