CN216662689U - Dissolved air flotation machine for wastewater - Google Patents
Dissolved air flotation machine for wastewater Download PDFInfo
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- CN216662689U CN216662689U CN202123197675.4U CN202123197675U CN216662689U CN 216662689 U CN216662689 U CN 216662689U CN 202123197675 U CN202123197675 U CN 202123197675U CN 216662689 U CN216662689 U CN 216662689U
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- dissolved air
- flotation machine
- air flotation
- machine main
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model relates to the technical field of wastewater treatment equipment, in particular to a dissolved air flotation machine for wastewater, which is convenient for quickly separating water and suspended matters in a main body of the dissolved air flotation machine and improves the use convenience of the device; including dissolving gas air supporting machine main part, the baffle, two sets of first fixed blocks, dissolve the gas pitcher, the connecting pipe, the vacuum pump, elevating system, the baffle, installation component and filter screen, dissolve the inside cavity that is provided with of gas air supporting machine main part, left end bottom is provided with the drain pipe, the top right side is provided with the blast pipe, and the right-hand member of dissolving gas air supporting machine main part is provided with water injection pipe and flocculating agent injection pipe, the baffle is fixed in dissolving gas air supporting machine main part intracavity, the bottom of baffle is provided with the opening, dissolve the gas pitcher and fix the right-hand member upper portion of dissolving gas air supporting machine main part through two sets of first fixed blocks, the one end of connecting pipe is connected with dissolving the gas pitcher, the other end stretches into in dissolving gas air supporting machine main part, and be provided with the control valve on the connecting pipe.
Description
Technical Field
The utility model relates to the technical field of wastewater treatment equipment, in particular to a dissolved air flotation machine for wastewater.
Background
Dissolve gas air supporting machine and utilize the different characteristics of water solubility under different pressure, make aquatic produce the microbubble under pressurization or negative pressure condition, replace traditional air entraining equipment to the air supporting technology of aquatic bleed, dissolve gas air supporting mainly used sewage treatment system, have the effect to removing the algae, be a new breakthrough in the sewage treatment system, the theory of operation of dissolving gas air supporting machine is: the air of sending to the air tank by air compressor is brought into dissolving the gas pitcher through fluidic device, the air of dissolving in the gas pitcher is forced to be dissolved in aqueous under 0.35Mpa pressure, form and dissolve gas water, send to the air supporting tank in, under the condition of releasing suddenly, the air of dissolving in aqueous is appeared, form a large amount of microbubble crowd, with send and through adding the suspended solid abundant contact in the sewage that the medicine is flocculating behind, and adsorb in the suspended solid that the flocculation is good at the in-process that slowly rises, make its density descend and float to the surface of water, but current waste water leads to the use convenience of device relatively poor with the quick separation of suspended solid and water after the suspended solid that dissolves the air supporting machine in waste water to the surface of water.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the dissolved air flotation machine for the wastewater, which is convenient for quickly separating water and suspended matters in the main body of the dissolved air flotation machine and improving the use convenience of the dissolved air flotation machine.
The utility model relates to a dissolved air flotation machine for wastewater, which comprises a dissolved air flotation machine main body, a partition plate, two groups of first fixed blocks, a dissolved air tank, a connecting pipe, a vacuum pump, a lifting mechanism, a baffle plate, a mounting assembly and a filter screen, wherein a cavity is arranged in the dissolved air flotation machine main body, a drain pipe is arranged at the bottom of the left end, an exhaust pipe is arranged at the right side of the top end, a water injection pipe and a flocculating agent injection pipe are arranged at the right end of the dissolved air flotation machine main body, the partition plate is fixed in the cavity of the dissolved air flotation machine main body, an opening is arranged at the bottom of the partition plate, the dissolved air tank is fixed at the upper part of the right end of the dissolved air flotation machine main body through the two groups of first fixed blocks, one end of the connecting pipe is connected with the dissolved air tank, the other end of the connecting pipe extends into the dissolved air flotation machine main body, the connecting pipe is provided with a control valve, the vacuum pump is fixed at the right side of the top end of the dissolved air flotation machine main body, and the lifting mechanism is arranged on the dissolved air flotation machine main body, the baffle is connected with the left end of the partition in a sliding manner through the lifting mechanism, the baffle is in close contact with the left end of the partition, the filter screen is connected with the bottom of the right end of the partition through the mounting assembly, and the opening at the bottom end of the partition is covered by the filter screen; waste water and a flocculating agent are respectively injected into a dissolved air flotation machine body through a water injection pipe and a flocculating agent injection pipe at the right end of the dissolved air flotation machine body to condense impurities in the waste water, a vacuum pump is started to vacuumize the dissolved air flotation machine body at the same time, after the dissolved air flotation machine body is driven for a certain time, a control valve on a connecting pipe is opened to enable air in a dissolved air tank to enter the dissolved air flotation machine body and be dissolved in the waste water, the control valve on an exhaust pipe of the dissolved air flotation machine body is opened after the air is dissolved in the water to enable the pressure in the dissolved air flotation machine body to be suddenly released, so that the air in the waste water is separated out and forms a bubble group, the condensed suspended matters in the waste water rise and float to the water surface, at the moment, a baffle is driven to move upwards through a lifting mechanism, an opening at the bottom of the baffle is opened, the waste water is filtered by a filter screen and then discharged through a drain pipe of the dissolved air flotation machine body, and the suspended matters floating on the liquid surface of the waste water gradually fall to the bottom end of the dissolved air flotation machine body along with the falling of the liquid surface, and the water is intercepted through the filter screen, so that the water and the suspended matters can be quickly separated, and the use convenience of the device is improved.
Preferably, the lifting mechanism comprises a motor, a screw shaft, a second fixed block and a sliding block, the motor is fixed on the left side of the top end of the dissolved air floatation machine main body, the output end of the motor is connected with the screw shaft, the screw shaft is rotatably connected with the second fixed block, the second fixed block is fixed on the upper portion of the left end of the partition plate, the sliding block is in threaded connection with the screw shaft, and the sliding block is fixed on the upper portion of the left end of the baffle plate; the motor drives the screw rod shaft to rotate, so that the sliding block drives the baffle to move up and down, the opening and closing of the bottom opening of the control partition plate are facilitated, and power is provided for the up and down movement of the baffle.
Preferably, the mounting assembly comprises a mounting block and a plurality of groups of butterfly bolts, the mounting block is connected with the bottom of the right end of the partition plate through the plurality of groups of butterfly bolts, a fixing groove is formed in the right end of the mounting block, an opening is formed in the left end of the mounting block, the opening in the left end of the mounting block corresponds to the opening in the bottom of the partition plate, the opening in the mounting block is communicated with the fixing groove in the mounting block, and the filter screen is fixed in the fixing groove in the mounting block; through setting up installation piece and butterfly bolt, be convenient for fix the filter screen, also be convenient for carry out periodic dismantlement clearance to the filter screen simultaneously, ensure the filterable effect of filter screen, improve the use convenience of device.
Preferably, the cleaning device further comprises a sealing plate and a plurality of groups of fastening bolts, a cleaning opening is formed in the right lower portion of the front end of the dissolved air flotation machine main body, the sealing plate covers the cleaning opening of the dissolved air flotation machine main body, the sealing plate is in threaded connection with the dissolved air flotation machine main body through the fastening bolts, and a buckle is arranged at the front end of the sealing plate; through setting up shrouding, fastening bolt and attacker, the timely clearance of the staff of being convenient for descends to the suspended solid of dissolved air flotation machine main part cavity bottom, also is convenient for clear up the filter screen simultaneously, improves the use convenience of device.
Preferably, the air floatation machine also comprises a plurality of groups of supporting legs, a plurality of groups of cushion blocks and a plurality of groups of foundation bolts, wherein the plurality of groups of supporting legs are uniformly fixed at the bottom end of the main body of the air floatation machine, the cushion blocks are fixed at the bottom ends of the supporting legs, and the cushion blocks are connected with the ground through the foundation bolts; through setting up supporting leg, cushion and rag bolt, take place skew or slope when avoiding the device to use, improve the stability in use of device.
Preferably, the special-shaped air floatation machine also comprises a special-shaped observation window which is fixed at the front end of the main body of the air floatation machine; through setting up heterotypic observation window, be convenient for observe the treatment conditions of dissolving air supporting main body internal portion sewage, further improve the use convenience of device.
Preferably, the screw rod further comprises a limiting block, and the limiting block is fixed at the bottom end of the screw rod shaft; through setting up the stopper, carry on spacingly to the slider, avoid slider and lead screw axle to break away from, further improve the stability in use of device.
Compared with the prior art, the utility model has the beneficial effects that: waste water and a flocculating agent are respectively injected into the dissolved air flotation machine body through a water injection pipe and a flocculating agent injection pipe at the right end of the dissolved air flotation machine body, so that impurities in the waste water are condensed, a vacuum pump is started to vacuumize the dissolved air flotation machine body at the same time, after the dissolved air flotation machine body is driven for a certain time, a control valve on a connecting pipe is opened, so that air in a dissolved air tank enters the dissolved air flotation machine body and is dissolved in the waste water, after the air is dissolved in the water, a control valve on an exhaust pipe of the dissolved air flotation machine body is opened, the pressure in the dissolved air flotation machine body is suddenly released, so that the air in the waste water is separated out and forms a bubble group, the condensed suspended matters in the waste water rise to the water surface, at the moment, a baffle is driven to move upwards through an elevating mechanism, an opening at the bottom of the baffle is opened, the waste water is filtered by a filter screen and then discharged through a drain pipe of the dissolved air flotation machine body, and the suspended matters floating on the liquid surface of the waste water gradually fall to the bottom end of the dissolved air flotation machine body along with the liquid surface, and the water is intercepted through the filter screen, so that the water and the suspended matters can be quickly separated, and the use convenience of the device is improved.
Drawings
FIG. 1 is a schematic front view and partial cross-sectional structural view of the present invention;
FIG. 2 is a front view of the main body of the dissolved air floatation machine of the present invention;
FIG. 3 is a schematic view of a partial isometric configuration of the present invention;
FIG. 4 is an enlarged schematic view of the utility model at A in FIG. 1;
in the drawings, the reference numbers: 1. a dissolved air flotation machine main body; 2. a partition plate; 3. a first fixed block; 4. a dissolved air tank; 5. a connecting pipe; 6. a vacuum pump; 7. a motor; 8. a screw shaft; 9. a second fixed block; 10. a slider; 11. a baffle plate; 12. a filter screen; 13. mounting a block; 14. a butterfly bolt; 15. closing the plate; 16. fastening a bolt; 17. buckling a handle; 18. supporting legs; 19. cushion blocks; 20. Anchor bolts; 21. a special-shaped observation window; 22. and a limiting block.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
As shown in fig. 1 to 4, a cavity is arranged inside a dissolved air flotation machine main body 1, a drain pipe is arranged at the bottom of the left end, an exhaust pipe is arranged at the right side of the top end, a water injection pipe and a flocculant injection pipe are arranged at the right end of the dissolved air flotation machine main body 1, a partition plate 2 is fixed in the cavity of the dissolved air flotation machine main body 1, an opening is arranged at the bottom of the partition plate 2, a dissolved air tank 4 is fixed at the upper part of the right end of the dissolved air flotation machine main body 1 through two groups of first fixing blocks 3, one end of a connecting pipe 5 is connected with the dissolved air tank 4, the other end extends into the dissolved air flotation machine main body 1, a control valve is arranged on the connecting pipe 5, a vacuum pump 6 is fixed at the right side of the top end of the dissolved air flotation machine main body 1, a motor 7 is fixed at the left side of the top end of the dissolved air flotation machine main body 1, an output end of the motor 7 is connected with a screw shaft 8, the screw shaft 8 is rotatably connected with a second fixing block 9, the second fixing block 9 is fixed at the upper part of the left end of the partition plate 2, the slide block 10 is connected with the screw shaft 8 in a screwed manner, the slide block 10 is fixed at the upper part of the left end of the baffle plate 11, the baffle plate 11 is connected with the left end of the partition plate 2 in a sliding manner, meanwhile, the baffle plate 11 is closely contacted with the left end of the partition plate 2, the mounting block 13 is connected with the bottom of the right end of the partition plate 2 through a plurality of groups of butterfly bolts 14, the right end of the mounting block 13 is provided with a fixing groove, the left end of the mounting block 13 is provided with an opening, the opening at the left end of the mounting block 13 corresponds to the opening at the bottom of the partition plate 2, the opening of the mounting block 13 is communicated with the fixing groove of the mounting block 13, the filter screen 12 is fixed in the fixing groove of the mounting block 13, the filter screen 12 covers the opening at the bottom end of the partition plate 2, a cleaning opening is arranged at the right lower part of the front end of the dissolved air flotation machine main body 1, the seal plate 15 covers the cleaning opening of the dissolved air flotation machine main body 1, and the seal plate 15 is connected with the dissolved air flotation machine main body 1 in a screwed manner through a fastening bolt 16, the front end of the sealing plate 15 is provided with a handle 17, a plurality of groups of supporting legs 18 are uniformly fixed at the bottom end of the dissolved air flotation machine main body 1, a cushion block 19 is fixed at the bottom end of the supporting legs 18, the cushion block 19 is connected with the ground through foundation bolts 20, a special-shaped observation window 21 is fixed at the front end of the dissolved air flotation machine main body 1, and a limiting block 22 is fixed at the bottom end of the threaded shaft 8; waste water and a flocculating agent are respectively injected into the dissolved air flotation machine main body 1 through a water injection pipe and a flocculating agent injection pipe at the right end of the dissolved air flotation machine main body 1, so that impurities in the waste water are condensed, a vacuum pump 6 is started to vacuumize the dissolved air flotation machine main body 1 at the same time, after a certain period of time is driven, a control valve on a connecting pipe 5 is opened, so that air in a dissolved air tank 4 enters the dissolved air flotation machine main body 1 and is dissolved in the waste water, the control valve on an exhaust pipe of the dissolved air flotation machine main body 1 is opened after the air is dissolved in the water, the pressure in the dissolved air flotation machine main body 1 is suddenly released, so that the air in the waste water is separated out and forms a bubble group, so that condensed suspended matters in the waste water rise to the water surface, at the moment, a screw shaft 8 is driven by a motor 7 to rotate, a slide block 10 drives a baffle plate 11 to move upwards, an opening at the bottom of a baffle plate 2 is opened, the waste water is filtered by a filter screen 12 and then is discharged through a drain pipe of the dissolved air flotation machine main body 1, and the floated suspended solid of waste water liquid level falls to the bottom of dissolved air flotation machine main part 1 gradually along with the decline of liquid level, and intercept through filter screen 12, thereby make water and suspended solid can quick separation, the use convenience of the device has been improved, later through setting up installation piece 13 and butterfly bolt 14, be convenient for fix filter screen 12, also be convenient for regularly dismantle the clearance to filter screen 12 simultaneously, ensure the effect that filter screen 12 filters, and through setting up shrouding 15, fastening bolt 16 and attacker 17, be convenient for the staff timely clearance to fall to the suspended solid of dissolved air flotation machine main part 1 cavity bottom, also be convenient for dismantle installation piece 13 simultaneously, the use convenience of the device has been improved, then through setting up supporting leg cushion block 18, cushion block 19 and rag bolt 20, avoid the device skew or slope to take place when using, improve the stability of the device, and through setting up heterotypic observation window 21, be convenient for observe the treatment condition of the inside sewage of dissolved air flotation machine main part 1, simultaneously through setting up stopper 22, carry on spacingly to slider 10, avoid slider 10 and screw shaft 8 to break away from, further improve the stability in use of device.
According to the dissolved air flotation machine for wastewater, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the installation mode, the connection mode or the arrangement mode can be implemented as long as the beneficial effects can be achieved; the vacuum pump 6 of the dissolved air flotation machine for wastewater is purchased from the market, and technicians in the industry only need to install and operate the vacuum pump according to the attached operating instructions without creative labor of the technicians in the field.
All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A dissolved air flotation machine for wastewater is characterized by comprising a dissolved air flotation machine main body (1), a partition plate (2), two groups of first fixing blocks (3), a dissolved air tank (4), a connecting pipe (5), a vacuum pump (6), a lifting mechanism, a baffle plate (11), a mounting assembly and a filter screen (12), wherein a cavity is arranged in the dissolved air flotation machine main body (1), a drain pipe is arranged at the bottom of the left end, an exhaust pipe is arranged at the right side of the top end, a water injection pipe and a flocculating agent injection pipe are arranged at the right end of the dissolved air flotation machine main body (1), the partition plate (2) is fixed in the cavity of the dissolved air flotation machine main body (1), an opening is arranged at the bottom of the partition plate (2), the dissolved air tank (4) is fixed at the upper part of the right end of the dissolved air flotation machine main body (1) through the two groups of first fixing blocks (3), one end of the connecting pipe (5) is connected with the dissolved air tank (4), and the other end extends into the dissolved air flotation machine main body (1), and be provided with the control valve on connecting pipe (5), vacuum pump (6) are fixed on the top right side of dissolving gas air supporting machine main part (1), elevating system installs on dissolving gas air supporting machine main part (1), and left end sliding connection of baffle (11) through elevating system and baffle (2), the left end in close contact with of baffle (11) and baffle (2) simultaneously, and filter screen (12) are connected through the right-hand member bottom of installation component with baffle (2), the opening of baffle (2) bottom is covered in filter screen (12).
2. The dissolved air flotation machine for wastewater as set forth in claim 1, wherein the lifting mechanism comprises a motor (7), a screw shaft (8), a second fixed block (9) and a slider (10), the motor (7) is fixed on the left side of the top end of the dissolved air flotation machine main body (1), the output end of the motor (7) is connected with the screw shaft (8), the screw shaft (8) is rotatably connected with the second fixed block (9), the second fixed block (9) is fixed on the upper portion of the left end of the partition plate (2), the slider (10) is screwed with the screw shaft (8), and the slider (10) is fixed on the upper portion of the left end of the partition plate (11).
3. The dissolved air flotation machine for wastewater as claimed in claim 1, wherein the mounting assembly comprises a mounting block (13) and a plurality of sets of butterfly bolts (14), the mounting block (13) is connected with the bottom of the right end of the partition plate (2) through the plurality of sets of butterfly bolts (14), a fixing groove is formed in the right end of the mounting block (13), an opening is formed in the left end of the mounting block (13), the opening in the left end of the mounting block (13) corresponds to the opening in the bottom of the partition plate (2), the opening in the mounting block (13) is communicated with the fixing groove in the mounting block (13), and the filter screen (12) is fixed in the fixing groove in the mounting block (13).
4. The dissolved air flotation machine for wastewater as claimed in claim 1, further comprising a sealing plate (15) and a plurality of sets of fastening bolts (16), wherein a cleaning opening is provided at a lower right portion of the front end of the dissolved air flotation machine body (1), the sealing plate (15) covers the cleaning opening of the dissolved air flotation machine body (1), the sealing plate (15) and the dissolved air flotation machine body (1) are connected by screwing through the fastening bolts (16), and a buckle (17) is provided at the front end of the sealing plate (15).
5. The dissolved air flotation machine for wastewater as claimed in claim 1, further comprising a plurality of sets of supporting legs (18), a plurality of sets of cushion blocks (19) and a plurality of sets of anchor bolts (20), wherein the plurality of sets of supporting legs (18) are uniformly fixed at the bottom end of the dissolved air flotation machine main body (1), the cushion blocks (19) are fixed at the bottom ends of the supporting legs (18), and the cushion blocks (19) are connected with the ground through the anchor bolts (20).
6. The dissolved air flotation machine for wastewater as claimed in claim 1, further comprising a special-shaped observation window (21), wherein the special-shaped observation window (21) is fixed at the front end of the dissolved air flotation machine main body (1).
7. The dissolved air flotation machine for wastewater as claimed in claim 1, further comprising a limit block (22), wherein the limit block (22) is fixed at the bottom end of the screw shaft (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202123197675.4U CN216662689U (en) | 2021-12-17 | 2021-12-17 | Dissolved air flotation machine for wastewater |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202123197675.4U CN216662689U (en) | 2021-12-17 | 2021-12-17 | Dissolved air flotation machine for wastewater |
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CN216662689U true CN216662689U (en) | 2022-06-03 |
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CN202123197675.4U Active CN216662689U (en) | 2021-12-17 | 2021-12-17 | Dissolved air flotation machine for wastewater |
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CN (1) | CN216662689U (en) |
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2021
- 2021-12-17 CN CN202123197675.4U patent/CN216662689U/en active Active
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