CN214146060U - A air lifter for sewage treatment - Google Patents
A air lifter for sewage treatment Download PDFInfo
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- CN214146060U CN214146060U CN202022614862.7U CN202022614862U CN214146060U CN 214146060 U CN214146060 U CN 214146060U CN 202022614862 U CN202022614862 U CN 202022614862U CN 214146060 U CN214146060 U CN 214146060U
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Abstract
The utility model relates to a pneumatic lifter for sewage treatment, which comprises a feed liquid mixing component, an air pipe and a liquid outlet separation component; the liquid inlet mixing assembly comprises a liquid suction pipe, a conical gas-liquid mixing chamber and a mixed liquid guide pipe which are sequentially connected from bottom to top, and the cross section of the conical gas-liquid mixing chamber is sequentially reduced from bottom to top; the air pipe and the mixed liquid guide pipe are relatively fixed, one end of the air pipe extends into the conical gas-liquid mixing chamber, the other end of the air pipe is externally connected with high-pressure gas, and a plurality of release holes are uniformly formed in the circumferential direction at one end of the air pipe, which is positioned in the conical gas-liquid mixing chamber; the liquid outlet separation assembly comprises a gas-liquid separation chamber, a liquid outlet pipe and a gas outlet pipe, the bottom of the gas-liquid separation chamber is communicated with the mixed liquid guide pipe, the side wall of the gas-liquid separation chamber is communicated with the liquid outlet pipe, and the top of the gas-liquid separation chamber is communicated with the gas outlet pipe; the problem of current liquid medium air lifter have the efficiency low is solved.
Description
Technical Field
The utility model relates to a sewage treatment engineering technical field especially relates to an air lifter for sewage treatment.
Background
The lifting of sewage, mixed liquid and sludge in sewage treatment engineering often involves the type selection problem of lifting equipment, the lifting equipment usually selects pump equipment to realize the lifting requirement, the pump equipment comprises a centrifugal pump, a volume pump (a diaphragm pump, a gear pump, a cam pump, a peristaltic pump, a screw pump) and a spiral propulsion pump, but the pump equipment can not completely meet the lifting requirement of liquid media in all occasions in the engineering, for example, when the medium flow is small and the lifting lift is less than 0.5m, the pump is difficult to select, the lifting lift of the pump equipment is often too large, and the pump equipment also has a plurality of restriction requirements on the physical and chemical properties of liquid.
The traditional liquid medium air lifter has been applied to practical engineering, and the engineering application cases are not few, but the traditional liquid medium air lifter has the following defects: 1) the structure is simple and extensive, and the efficiency is low; 2) the gas-liquid separation function and the gas escape measure are not considered, the resistance is large, and the flow is not smooth; 3) gas-liquid mixing has no induction measures and is low in efficiency.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide an air lifter for sewage treatment, which is used to solve the problem of low efficiency of the conventional liquid medium air lifter.
The utility model provides a pneumatic lifter for sewage treatment, which comprises a liquid inlet mixing component, an air pipe and a liquid outlet separation component; the liquid inlet mixing assembly comprises a liquid suction pipe, a conical gas-liquid mixing chamber and a mixed liquid guide pipe which are sequentially connected from bottom to top, and the cross section of the conical gas-liquid mixing chamber is sequentially reduced from bottom to top; the air pipe and the mixed liquid guide pipe are relatively fixed, one end of the air pipe extends into the conical gas-liquid mixing chamber, the other end of the air pipe is externally connected with high-pressure gas, and a plurality of release holes are uniformly formed in the circumferential direction at one end of the air pipe, which is positioned in the conical gas-liquid mixing chamber; the liquid outlet separation assembly comprises a gas-liquid separation chamber, a liquid outlet pipe and a gas outlet pipe, the bottom of the gas-liquid separation chamber is communicated with the mixed liquid guide pipe, the side wall of the gas-liquid separation chamber is communicated with the liquid outlet pipe, and the top of the gas-liquid separation chamber is communicated with the gas outlet pipe.
Further, the air pipe is coaxially arranged in the mixed liquid guide pipe, the bottom end of the air pipe is closed and is positioned in the conical gas-liquid mixing chamber, the release hole is formed in the outer wall of the bottom of the air pipe, and the top end of the air pipe penetrates out of the separation chamber and is externally connected with high-pressure air.
Further, the air outlet direction of the release hole points to the conical surface of the inner wall of the conical gas-liquid mixing chamber.
Further, the air pipe further comprises a release ring, the release ring is located in the conical gas-liquid mixing chamber, a closed cavity is formed in the release ring, a plurality of through holes uniformly distributed along the circumferential direction are formed in the outer wall of the release ring, the closed cavity is communicated with the conical gas-liquid mixing chamber through the through holes, and the closed cavity is communicated with the air pipe.
Furthermore, the conical gas-liquid mixing chamber is provided with a conical cavity, and the cross section of the conical cavity is sequentially reduced from bottom to top.
Further, the gas-liquid separation chamber is provided with a rectangular cavity.
Furthermore, the air outlet pipe is a bent pipe, one end of the bent pipe is communicated with the top of the gas-liquid separation chamber, and the other end of the bent pipe is bent downwards to form a section of arc-shaped pipe.
Compared with the prior art
1) Through the arrangement of the conical gas-liquid mixing chamber and the fact that the end, located at the conical gas-liquid mixing chamber, of the air pipe is evenly provided with the plurality of release holes along the circumferential direction, high-pressure air led out through the release holes induces sewage to be led into the mixed liquid guide pipe along the inner wall of the conical gas-liquid mixing chamber, the function of inducing the flow direction of the mixed liquid is achieved, the lifting efficiency is improved, meanwhile, the high-pressure air brings the sewage to impact on the inner wall of the conical gas-liquid mixing chamber, the sewage and the air are effectively mixed, the air can be conveniently brought into the mixed liquid guide pipe, the lifting efficiency is further improved, and the overall efficiency;
2) the air pipe is arranged in the mixed liquid guide pipe and is relatively fixed with the mixed liquid guide pipe, so that the integrated design is realized, the equipment is not easy to damage during transportation, the installation is convenient, and the equipment can be used as a shaped product for batch production;
3) the sewage and the gas are respectively led out from the liquid outlet pipe and the gas outlet pipe through the gas-liquid separation chamber, so that gas-liquid separation is realized, the flow resistance is reduced, and the water flow is smooth;
4) the technical blank that the pump selection is difficult when the flow of the liquid medium is not large and the lifting head is below 0.5m is filled.
Drawings
FIG. 1 is a schematic structural view of an embodiment of an air lifter for sewage treatment according to the present invention;
FIG. 2 is an enlarged schematic view of part A of the pneumatic lifter for sewage treatment in FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the whole structure of another embodiment of the air lifter for sewage treatment according to the present invention;
fig. 4 is a schematic structural view of a release ring in another embodiment of an air lifter for sewage treatment according to the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.
As shown in fig. 1, the air lifter for sewage treatment in this embodiment includes an inlet mixing module 100, an air pipe 200 and an outlet separation module 300, an air outlet end of the air pipe 200 is disposed in the inlet mixing module 100, and the air pipe 200 is fixedly connected to the inlet mixing module 100 and/or the outlet separation module 300.
The liquid inlet mixing assembly 100 in this embodiment includes a liquid suction pipe 110, a tapered gas-liquid mixing chamber 120, and a mixed liquid conduit 130, which are connected in sequence from bottom to top, and the cross section of the tapered gas-liquid mixing chamber 120 decreases in sequence from bottom to top.
The liquid suction pipe 110, the tapered gas-liquid mixing chamber 120, and the mixed liquid conduit 130 in this embodiment are integrally molded by a mold, but may be molded by other processing methods to form the liquid inlet mixing assembly 100 having the above structure.
Wherein the pipette 110 is a vertical pipe, the bottom of the pipette 110 is a pipette port, and the top of the pipette 110 is communicated with the tapered gas-liquid mixing chamber 120, it can be understood that the pipette 110 is a pipe connecting the sewage and the tapered gas-liquid mixing chamber 120 for guiding the sewage into the tapered gas-liquid mixing chamber 120.
Wherein, the tapered gas-liquid mixing chamber 120 has a tapered cavity, and the cross section of the tapered cavity is sequentially reduced from bottom to top.
As shown in fig. 2, the air tube 200 of the present embodiment is fixed relative to the mixed liquid conduit 130, one end of the air tube 200 extends into the conical gas-liquid mixing chamber 120, the other end of the air tube 200 is externally connected with high pressure gas, and a plurality of release holes 210 are uniformly formed in the circumferential direction at one end of the air tube 200 located in the conical gas-liquid mixing chamber 120.
It should be noted that "the air tube 200 is relatively fixed to the mixed liquid conduit 130" means that the air tube 200 is coaxially disposed in the mixed liquid conduit 130, the bottom end of the air tube 200 extends into the tapered gas-liquid mixing chamber 120, the other end of the air tube 200 can penetrate out of the mixed liquid conduit 130 and is fixedly connected to the mixed liquid conduit 130, or can penetrate out of the gas-liquid separating chamber 310 and is fixedly connected to the gas-liquid separating chamber 310, the connection position is not limited, as long as the other end can be externally connected with high-pressure gas, and the purpose is that the air tube 200 and the mixed liquid conduit 130 form an integrated structure, which is convenient for transportation and production.
Wherein, the air pipe 200 is a vertical straight pipe, and the air pipe 200 is arranged in the mixed liquid conduit 130 coaxially, and the bottom end of the air pipe 200 is closed and located in the conical gas-liquid mixing chamber 120, and the outer wall of the bottom of the air pipe 200 is provided with a release hole 210, and the top end of the air pipe 200 penetrates out of the separation chamber and is externally connected with high-pressure air.
Wherein, the air outlet direction of the release hole 210 points to the conical surface of the inner wall of the conical gas-liquid mixing chamber 120.
In order to enhance the gas-liquid mixing effect, as shown in fig. 3-4, the air tube 200 in another embodiment further includes a release ring 220, the release ring 220 is located in the conical gas-liquid mixing chamber 120, a closed cavity is formed in the release ring 220, a plurality of through holes 221 uniformly arranged along the circumferential direction are formed in the outer wall of the release ring 220, the closed cavity is communicated with the conical gas-liquid mixing chamber 120 through the through holes 221, and the closed cavity is communicated with the air tube 200.
The liquid outlet separation assembly 300 in this embodiment includes a gas-liquid separation chamber 310, a liquid outlet pipe 320 and a gas outlet pipe 330, wherein the bottom of the gas-liquid separation chamber 310 is communicated with the mixed liquid guide pipe 130, the side wall of the gas-liquid separation chamber 310 is communicated with the liquid outlet pipe 320, and the top of the gas-liquid separation chamber 310 is communicated with the gas outlet pipe 330.
Wherein the gas-liquid separation chamber 310 has a rectangular cavity.
In order to prevent the sewage in the gas-liquid separation chamber 310 from escaping from the gas outlet pipe 330, the gas outlet pipe 330 in this embodiment is a bent pipe, one end of the bent pipe is communicated with the top of the gas-liquid separation chamber 310, and the other end of the bent pipe is bent downward to form a section of arc-shaped pipe.
Wherein, the inlet liquid mixing component 100, the air pipe 200 and the outlet liquid separating component 300 can be made of stainless steel, ABS, PP and other materials.
The working process is as follows: the gas lifter is placed in the sewage, so that the liquid outlet pipe 320 is positioned at the horizontal height to be lifted, the liquid suction pipe 110 is immersed in the sewage, the sewage enters the liquid suction pipe 110 from a liquid suction port, and under the action of liquid level difference, the sewage flows upwards through the conical gas-liquid mixing chamber 120 until the height of the sewage in the mixed liquid guide pipe 130 is the same as that of the liquid level in the sewage pool, high-pressure gas is introduced into the air pipe 200, the high-pressure gas is introduced into the conical gas-liquid mixing chamber 120 along the air pipe 200 and through the release hole 210, the high-pressure air impacts the inner wall of the conical gas-liquid mixing chamber 120, so that the sewage in the conical gas-liquid mixing chamber 120 impacts the inner wall of the conical gas-liquid mixing chamber 120 under the flow of the high-pressure air and is fully mixed with the air, the mixed gas-liquid is introduced into the mixed liquid guide pipe 130 upwards along the conical inner wall of the conical gas-liquid mixing chamber 120, and finally enters the gas-liquid separation chamber 310, and the sewage in the gas-liquid separation chamber 310 is led out through the liquid outlet pipe 320, the air in the gas-liquid separation chamber 310 is guided out through the air outlet pipe 330 above, thereby completing the whole process of pneumatically lifting the sewage.
Compared with the prior art:
1) by arranging the conical gas-liquid mixing chamber 120 and uniformly arranging the plurality of release holes 210 at one end of the air pipe 200, which is positioned at the conical gas-liquid mixing chamber 120, along the circumferential direction, the high-pressure air guided out through the release holes 210 guides the sewage into the mixed liquid guide pipe 130 along the inner wall of the conical gas-liquid mixing chamber 120, so that the function of guiding the flow direction of the mixed liquid is realized, the lifting efficiency is improved, meanwhile, the high-pressure air drives the sewage to impact on the inner wall of the conical gas-liquid mixing chamber 120, so that the sewage and the air are effectively mixed, the air is convenient to bring the water into the mixed liquid guide pipe 130, the lifting efficiency is further improved, and the total efficiency can be improved by 10-30%;
2) the air pipe 200 is arranged in the mixed liquid guide pipe 130, and the air pipe 200 and the mixed liquid guide pipe 130 are relatively fixed, so that the integrated design is realized, the equipment is not easy to damage during transportation, the installation is convenient, and the equipment can be used as a shaped product for mass production;
3) through the gas-liquid separation chamber 310, sewage and gas are respectively led out from the liquid outlet pipe 320 and the gas outlet pipe 330, so that gas-liquid separation is realized, the flow resistance is reduced, and the water flow is smooth.
4) The technical blank that the pump selection is difficult when the flow of the liquid medium is not large and the lifting head is below 0.5m is filled.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (7)
1. A pneumatic lifter for sewage treatment is characterized by comprising a liquid inlet mixing component, an air pipe and a liquid outlet separation component;
the liquid inlet mixing assembly comprises a liquid suction pipe, a conical gas-liquid mixing chamber and a mixed liquid guide pipe which are sequentially connected from bottom to top, and the cross section of the conical gas-liquid mixing chamber is sequentially reduced from bottom to top;
the air pipe and the mixed liquid guide pipe are relatively fixed, one end of the air pipe extends into the conical gas-liquid mixing chamber, the other end of the air pipe is externally connected with high-pressure gas, and a plurality of release holes are uniformly formed in the circumferential direction at one end of the air pipe, which is positioned in the conical gas-liquid mixing chamber;
the liquid outlet separation assembly comprises a gas-liquid separation chamber, a liquid outlet pipe and a gas outlet pipe, the bottom of the gas-liquid separation chamber is communicated with the mixed liquid guide pipe, the side wall of the gas-liquid separation chamber is communicated with the liquid outlet pipe, and the top of the gas-liquid separation chamber is communicated with the gas outlet pipe.
2. The air lifter for sewage treatment according to claim 1, wherein the air tube is coaxially arranged in the mixed liquid conduit, the bottom end of the air tube is closed and is positioned in the conical gas-liquid mixing chamber, the release hole is opened on the outer wall of the bottom of the air tube, and the top end of the air tube penetrates out of the separation chamber and is externally connected with high pressure air.
3. The air lifter for sewage treatment of claim 1, wherein the air outlet direction of the release hole is directed to the conical surface of the inner wall of the conical gas-liquid mixing chamber.
4. The air lifter for sewage treatment according to claim 1, wherein the air tube further comprises a release ring, the release ring is located in the conical gas-liquid mixing chamber, a closed cavity is formed in the release ring, a plurality of through holes are uniformly formed in the outer wall of the release ring along the circumferential direction, the closed cavity is communicated with the conical gas-liquid mixing chamber through the through holes, and the closed cavity is communicated with the air tube.
5. The air lifter for sewage treatment of claim 1, wherein the tapered gas-liquid mixing chamber has a tapered cavity, and the cross section of the tapered cavity decreases from bottom to top.
6. An airlift for sewage treatment according to claim 1 wherein said gas-liquid separation chamber has a rectangular cavity.
7. The air lifter for sewage treatment according to claim 1, wherein the air outlet pipe is an elbow pipe, one end of the elbow pipe is communicated with the top of the gas-liquid separation chamber, and the other end of the elbow pipe is bent downwards to form an arc-shaped pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022614862.7U CN214146060U (en) | 2020-11-12 | 2020-11-12 | A air lifter for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022614862.7U CN214146060U (en) | 2020-11-12 | 2020-11-12 | A air lifter for sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214146060U true CN214146060U (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022614862.7U Active CN214146060U (en) | 2020-11-12 | 2020-11-12 | A air lifter for sewage treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214146060U (en) |
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2020
- 2020-11-12 CN CN202022614862.7U patent/CN214146060U/en active Active
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