CN214218257U - Air floatation machine - Google Patents
Air floatation machine Download PDFInfo
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- CN214218257U CN214218257U CN202022571666.6U CN202022571666U CN214218257U CN 214218257 U CN214218257 U CN 214218257U CN 202022571666 U CN202022571666 U CN 202022571666U CN 214218257 U CN214218257 U CN 214218257U
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Abstract
The utility model discloses an air floatation machine, which comprises a pretreatment unit and an air floatation tank, wherein the pretreatment unit is positioned at the front end of the air floatation tank, and the air floatation tank is a rectangular tank body with a conical bottom and comprises a contact area, a treatment area and a water outlet area; a water inlet is formed in the left side of the contact area, an air dissolving system is arranged below the water inlet and is connected with a releaser positioned in the contact area, the releaser is a cylindrical releaser, and a plurality of releasing pipes are arranged on the top end surface and the side wall of the cylindrical releaser; the sludge discharge device is positioned at the bottom of the treatment area and comprises a cylinder, a piston rod and a scraper, and the lower end surface of the scraper is attached to the inner wall of the bottom of the air floatation tank; the upper part and the lower part of the water outlet area are respectively provided with a water outlet and a water collecting port, the water collecting port is connected with the tail end of a water collecting pipe, and a filter screen is arranged between the water outlet and the water collecting port, so that sludge at the bottom of the air floatation tank can be discharged from a sewage outlet more conveniently; the compressed air can be fully utilized to remove suspended matters in the sewage; can prevent fine particles from being discharged from the water outlet along with clean water.
Description
Technical Field
The utility model relates to a sewage treatment technical field, concretely relates to air supporting machine.
Background
Along with the aggravation of water pollution, the water resource becomes unusually precious, people reduce the pollution to the environment in order to make full use of the water resource, need to handle the sewage and circulate and utilize, water pollution treatment facilities mainly have centrifuge, aerator, sludge dewaterer and air supporting machine etc. wherein the air supporting machine theory of operation is through dissolving a large amount of minute bubbles of system production in the sewage, make the air attach to the suspended particles in the form of highly dispersed minute bubble, cause the state that the density is less than water, utilize buoyancy principle to make it float on the surface of water, thereby realize the water treatment facilities of solid-liquid separation.
When the existing air floatation machine is used, because tiny bubbles have a slight effect on large particles, the large particles cannot be brought to the water surface, the large particles are easily deposited at the bottom of an air floatation tank, the particles are deposited at the bottom of the air floatation tank, the sewage treatment effect of the air floatation machine is reduced, and release pipes of a releaser in the existing air floatation machine are positioned on the same horizontal plane, so that the bubbles are easily overlarge, the air floatation effect is influenced, and the water purification effect is poor; the clear water treated by the air flotation machine still has fine particles mixed in the clear water, and is not easy to remove.
SUMMERY OF THE UTILITY MODEL
The utility model aims at designing an air flotation machine to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an air floatation machine comprises a pretreatment unit and an air floatation tank, wherein the pretreatment unit is positioned at the front end of the air floatation tank and comprises a pipeline mixer and a dosing tank; the air floatation tank is a rectangular tank body with a conical bottom and comprises a contact zone, a treatment zone and a water outlet zone; partition plates are arranged between the contact zone and the treatment zone as well as between the treatment zone and the water outlet zone; a water inlet is formed in the left side of the contact area, an air dissolving system is arranged below the water inlet and is connected with a releaser positioned in the contact area, the releaser is a cylindrical releaser, and a plurality of releasing pipes are arranged on the top end surface and the side wall of the cylindrical releaser; the treatment area comprises a slag scraping machine, a slag scraping groove, a water collecting pipe and a mud discharging device, the slag scraping machine is a plate-type slag scraping machine and is positioned at the top of the air floatation tank, the slag scraping groove is positioned at one side of the top of the treatment area and is positioned at the tail end of the slag scraping machine, and a slag discharging port is arranged in the slag scraping groove; the water collecting pipe is positioned between the slag scraping groove and the sludge discharging device; the sludge discharge device is positioned at the bottom of the treatment area and comprises an air cylinder, a piston rod and a scraper, and the lower end face of the scraper is attached to the inner wall of the bottom of the air floatation tank; the water outlet area is characterized in that the upper part and the lower part of the water outlet area are respectively provided with a water outlet and a water collecting port, the water collecting port is connected with the tail end of the water collecting pipe, and a filter screen is arranged between the water outlet and the water collecting port.
Further, the bottom in air supporting pond is the subsider of stairstepping, through the subsider of stairstepping for the bottom that the large granule can be better slided to the air supporting pond, the mud device of being convenient for arranges mud.
Further, it includes air compressor, gas holder and dissolves the gas pitcher to dissolve the gas system, air compressor with be equipped with the solenoid valve between the gas holder, the gas holder with it all is provided with the pressure gauge on the gas pitcher to dissolve, the solenoid valve the pressure gauge all with controller electric connection, with the solenoid valve on the air compressor, the gas holder links to each other with the controller with the pressure gauge that dissolves on the gas pitcher, can look over the gas holder at the background and dissolve the pressure of gas pitcher, if pressure surpasses predetermined value, the staff can close through controller control solenoid valve to guaranteed the safety of dissolving the gas system, the management is more convenient, need not special messenger's periodic inspection.
Furthermore, the scraper blade of the plate-type slag scraper bends to the movement direction of the scraper blade, so that suspended matters can be more quickly scraped into the slag scraping groove and discharged from the slag discharge port.
Further, install on the releaser with the first release pipe of the perpendicular intercommunication of top terminal surface of releaser and with the second release pipe of the perpendicular intercommunication of lateral wall of releaser, through the releaser that has the release pipe of vertical direction and horizontal direction in the inside setting of dissolved air flotation machine, can the multi-angle discharge bubble, the aeration is more even, can the suspended solid in the make full use of compressed air removal sewage.
Compared with the prior art, the beneficial effects of the utility model are that: the sludge discharge device is arranged, so that the sludge at the bottom of the air floatation tank can be discharged from the sewage discharge outlet more conveniently; the top end surface and the side wall of the cylindrical releaser are provided with the plurality of releasing pipes, so that the suspended matters in the sewage can be removed by fully utilizing the compressed air; the filter screen is arranged between the water outlet and the water collecting port, so that fine particles can be prevented from being discharged from the water outlet along with clean water.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the air flotation machine of the present invention;
fig. 2 is a schematic view of the gas dissolving system of the present invention.
The names of the components identified in the figures are as follows: 1. a pre-processing unit; 11. a pipeline mixer; 12. a medicine adding tank; 2. an air floatation tank; 21. a contact zone; 22. a treatment zone; 23. a water outlet area; 3. a partition plate; 4. a water inlet; 5. a gas dissolving system; 51. an air compressor; 52. a gas storage tank; 53. a dissolved air tank; 54. an electromagnetic valve; 55. a pressure gauge; 6. a releaser; 7. a first release tube; 8. a second release tube; 9. a slag scraper; 10. a slag scraping groove; 11. a water collection pipe; 12. a sludge discharge device; 121. a cylinder; 122. a piston rod; 123. a squeegee; 13. a slag discharge port; 14. a water outlet; 15. a water collection port; 16. a filter screen; 17. a settling platform.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, only some embodiments, not all embodiments, of the present invention are described. 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.
Referring to fig. 1 to 2, an air floatation machine in one embodiment is shown, and comprises a pretreatment unit 1 and an air floatation tank 2, wherein the pretreatment unit 1 is located at the front end of the air floatation tank 2 and comprises a pipeline mixer 11 and a dosing tank 12; the air flotation tank 2 is a rectangular tank body with a conical bottom and comprises a contact zone 21, a treatment zone 22 and a water outlet zone 23; the partition boards 3 are arranged between the contact area 21 and the treatment area 22, and between the treatment area 22 and the water outlet area 23; a water inlet 4 is formed in the left side of the contact area 21, an air dissolving system 5 is arranged below the water inlet 4, the air dissolving system 5 is connected with a releaser 6 positioned in the contact area 21, the releaser 6 is a cylindrical releaser 6, and a plurality of releasing pipes are arranged on the top end surface and the side wall of the cylindrical releaser 6; the treatment area 22 comprises a slag scraping machine 9, a slag scraping groove 10, a water collecting pipe 11 and a mud discharging device 12, wherein the slag scraping machine 9 is a plate-type slag scraping machine 9 and is positioned at the top of the air floatation tank 2, the slag scraping groove 10 is positioned at one side of the top of the treatment area 22 and is positioned at the tail end of the slag scraping machine 9, and a slag discharging hole 13 is formed in the slag scraping groove 10; the water collecting pipe 11 is positioned between the slag scraping groove 10 and the sludge discharge device 12; the sludge discharge device 12 is positioned at the bottom of the treatment area 22 and comprises a cylinder 121, a piston rod 122 and a scraper 123, and the lower end surface of the scraper 123 is attached to the inner wall of the bottom of the air floatation tank 2; the upper part and the lower part of the water outlet area 23 are respectively provided with a water outlet 14 and a water collecting port 15, the water collecting port 15 is connected with the tail end of the water collecting pipe 11, and a filter screen 16 is arranged between the water outlet 14 and the water collecting port 15.
Further as preferred embodiment, the bottom of the air flotation tank 2 is a stepped settling platform 17, and large particles can better slide to the bottom of the air flotation tank 2 through the stepped settling platform 17, so that the sludge discharge device 12 can discharge sludge conveniently.
Further as preferred embodiment, dissolve gas system 5 and include air compressor 51, gas holder 52 and dissolve gas pitcher 53, be equipped with solenoid valve 54 between air compressor 51 and the gas pitcher 52, gas holder 52 and dissolve all be provided with pressure gauge 55 on the gas pitcher 53, solenoid valve 54, pressure gauge 55 all with controller electric connection, solenoid valve 54 on the air compressor 51, gas holder 52 and the pressure gauge 55 that dissolves on the gas pitcher 53 link to each other with the controller, can look over the pressure of gas holder 52 and dissolve gas pitcher 53 at the background, if pressure exceeds preset value, the staff can close through controller control solenoid valve 54, thereby guaranteed the safety of dissolving gas system 5, it is more convenient to manage, need not the special messenger and regularly patrol.
Further, as a preferred embodiment, the scraper 123 of the plate-type slag scraper 9 is bent towards the moving direction of the scraper 123, so that suspended matters can be scraped into the slag scraping groove 10 more quickly and discharged from the slag discharge port 13.
Further as preferred embodiment, install on the releaser 6 with the top end face perpendicular intercommunication first release pipe 7 of releaser 6 and with the perpendicular second release pipe 8 that communicates of lateral wall of releaser 6, through set up the releaser 6 that has the release pipe of vertical direction and horizontal direction in the inside of dissolved air flotation machine, can the multi-angle discharge bubble, the aeration is more even, can make full use of compressed air remove the suspended solid in the sewage.
The working principle of the embodiment is as follows: firstly, sewage flows into a pipeline mixer 11, a coagulant PFS and a coagulant aid PAM are added into the pipeline mixer 11 by a dosing tank 12, the sewage is fully mixed and flocculated, then the sewage enters a contact zone 21 through a water inlet 4, large particles flow to the bottom of an air floatation tank 2 from the lower part of a partition plate 3 between the contact zone 21 and a treatment zone 22, a large amount of micro bubbles are generated in multiple directions under the action of a release pipe in the horizontal direction and the vertical direction of a releaser 6, the micro bubbles are attached to the small particles, the small particles become suspended matters and rise along with bubbles when reaching the liquid surface, the suspended matters rising along with the bubbles are discharged from a residue discharge port 13 through a residue scraper 9 and a residue scraping tank 10, clear water flows to a water outlet zone 23 from a water collecting pipe 11 of the treatment zone 22, residual particles flow to the bottom of the air floatation tank 2 from the lower part of the partition plate 3 between the treatment zone 22 and the water outlet zone 23, and then the clear water passes through a filter screen 16 and is discharged from a water outlet 14, finally, the cylinder 121 is started, and the piston rod 122 of the cylinder 121 pushes the scraper 123 to reciprocate, so that large particles settled at the bottom of the floatation tank 2 are discharged from the sewage discharge port.
The utility model has the advantages that: the sludge discharge device is arranged, so that the sludge at the bottom of the air floatation tank can be discharged from the sewage discharge outlet more conveniently; the top end surface and the side wall of the cylindrical releaser are provided with the plurality of releasing pipes, so that the suspended matters in the sewage can be removed by fully utilizing the compressed air; the filter screen is arranged between the water outlet and the water collecting port, so that fine particles can be prevented from being discharged from the water outlet along with clean water.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (5)
1. The utility model provides an air supporting machine, includes pretreatment unit and air supporting pond, its characterized in that: the pretreatment unit is positioned at the front end of the air floatation tank and comprises a pipeline mixer and a dosing tank; the air floatation tank is a rectangular tank body with a conical bottom and comprises a contact zone, a treatment zone and a water outlet zone; partition plates are arranged between the contact zone and the treatment zone as well as between the treatment zone and the water outlet zone; a water inlet is formed in the left side of the contact area, an air dissolving system is arranged below the water inlet and is connected with a releaser positioned in the contact area, the releaser is a cylindrical releaser, and a plurality of releasing pipes are arranged on the top end surface and the side wall of the cylindrical releaser; the treatment area comprises a slag scraping machine, a slag scraping groove, a water collecting pipe and a mud discharging device, the slag scraping machine is a plate-type slag scraping machine and is positioned at the top of the air floatation tank, the slag scraping groove is positioned at one side of the top of the treatment area and is positioned at the tail end of the slag scraping machine, and a slag discharging port is arranged in the slag scraping groove; the water collecting pipe is positioned between the slag scraping groove and the sludge discharging device; the sludge discharge device is positioned at the bottom of the treatment area and comprises an air cylinder, a piston rod and a scraper, and the lower end face of the scraper is attached to the inner wall of the bottom of the air floatation tank; the water outlet area is characterized in that the upper part and the lower part of the water outlet area are respectively provided with a water outlet and a water collecting port, the water collecting port is connected with the tail end of the water collecting pipe, and a filter screen is arranged between the water outlet and the water collecting port.
2. The air flotation machine as claimed in claim 1, wherein: the bottom of the air floatation tank is a stepped settling platform.
3. The air flotation machine as claimed in claim 1, wherein: dissolve the gas system and include air compressor, gas holder and dissolve the gas pitcher, air compressor with be equipped with the solenoid valve between the gas holder, the gas holder with dissolve and all be provided with the pressure gauge on the gas pitcher, the solenoid valve the pressure gauge all with controller electric connection.
4. The air flotation machine as claimed in claim 1, wherein: and the scraper of the plate type slag scraper bends to the motion direction of the scraper.
5. The air flotation machine as claimed in claim 1, wherein: the releaser is provided with a first releasing pipe vertically communicated with the top end surface of the releaser and a second releasing pipe vertically communicated with the side wall of the releaser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022571666.6U CN214218257U (en) | 2020-11-10 | 2020-11-10 | Air floatation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022571666.6U CN214218257U (en) | 2020-11-10 | 2020-11-10 | Air floatation machine |
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| Publication Number | Publication Date |
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| CN214218257U true CN214218257U (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022571666.6U Active CN214218257U (en) | 2020-11-10 | 2020-11-10 | Air floatation machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291970A (en) * | 2021-12-29 | 2022-04-08 | 浙江省舟山市水产研究所 | Mariculture tail water treatment system |
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2020
- 2020-11-10 CN CN202022571666.6U patent/CN214218257U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114291970A (en) * | 2021-12-29 | 2022-04-08 | 浙江省舟山市水产研究所 | Mariculture tail water treatment system |
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