CN201560134U - Slag-absorbing and bubbling device of air flotation machine - Google Patents
Slag-absorbing and bubbling device of air flotation machine Download PDFInfo
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- CN201560134U CN201560134U CN2009201046149U CN200920104614U CN201560134U CN 201560134 U CN201560134 U CN 201560134U CN 2009201046149 U CN2009201046149 U CN 2009201046149U CN 200920104614 U CN200920104614 U CN 200920104614U CN 201560134 U CN201560134 U CN 201560134U
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- pipe
- bubbling
- slag
- air supporting
- absorbing
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Abstract
The utility model discloses a slag-absorbing and bubbling device of an air flotation machine, which belongs to the technical field of wastewater treatment equipment and is used for removing the sediment at the bottom of the air flotation machine as well as bubbling flotation at the same time. The utility model adopts the technical scheme that the slag-absorbing and bubbling device comprises a main pipe, a branch pipe, slag-absorbing pipes and bubbling pipes, wherein one end of the main pipe is communicated with the compressed air, and the other end is connected with a sludge concentration tank; a plurality of slag-absorbing pipes are provided, one end of each slag-absorbing pipe is communicated with the bottom of the main pipe, and the other end is open and extends downwards; one end of the branch pipe is communicated with the main pipe, and the other end is closed; a plurality of bubbling pipes are provided, one end of each bubbling pipe is communicated with the bottom of the branch pipe, and the other end is closed and extends downwards; and a plurality of pores are uniformly distributed on the pipe wall of the bubbling pipe. By adopting the device, the sediments such as the oil slag at the bottom of the air flotation machine are absorbed in the slag-absorbing pipes by the compressed air flowing in the main pipe, and the sediments are extruded and removed by the compressed air; meanwhile, the compressed air is blasted from small circular holes of the bubbling pipes and brings part of the hydrophobic oil to the top of the air flotation machine under the action of the flotation, the oil is removed through an original scraper, and the running effect of the air flotation machine is enhanced.
Description
Technical field
The utility model relates to the slag absorbing of air supporting machine and the bubbling device of the pressurized dissolved air flotation machine that uses in a kind of wastewater treatment, belongs to the sewage treatment equipment technical field.
Background technology
The coal chemical enterprise wastewater treatment generally is divided into pre-treatment, biological treatment and advanced treatment three parts.Air supporting in the pre-treatment is handled by adding formations throw outs such as PAC, PAM at air-flotation system removing light oil, and adding FeSO
4, to remove S to greatest extent
2-Ion suppresses thereby reduce its toxicity to biological activity mud.Therefore only guarantee that air flotation effect could guarantee normally carrying out of subsequent biological treatment.At present, at the coking chemical waste water air-flotation system backflow pressurized dissolved air flotation machine being set is the measure that a lot of enterprises take, its principle of work is by water pump part air supporting water outlet to be risen to dissolving, be pressurized to 0.3～0.4MPa, simultaneously injecting compressed air makes it supersaturation, instant decompression then, and the air that was dissolved in originally in the water discharges suddenly, produce a large amount of micro bubbles, removed thereby throw out and micro bubble are combined and rise to the water surface.But behind the air supporting machine operation certain hour, because part throw out and heavy oil can not be thus lifted to the air supporting machine water surface, and be deposited in the air supporting motor spindle, these throw out parts are taken out of by the air supporting water outlet, influence effluent quality; Simultaneously, meetings such as continuous sedimentary throw out enter dissolved air release with phegma, adhere to dissolved air release nozzle position, and the reliever jet area is diminished gradually, even stop up.The cleaning plugged nozzle is difficulty very, and in the course of time, molten gas burst size constantly descends, and causes daf efficiency to reduce.In sum, the problem that exists is that air supporting motor spindle deposition throw out causes air supporting water outlet muddiness, the molten gas burst size that refluxes reduces at present, makes the air supporting removal effect descend air supporting water outlet deleterious.Precipitate the problem that the molten gas burst size of can not removing and reflux descends in order to overcome the air supporting motor spindle, it is very necessary that present air supporting machine is improved.
Summary of the invention
Technical problem to be solved in the utility model provides a kind ofly can carry out the bubbling flotation when removing bottom settlings, strengthen the slag absorbing of air supporting machine and the bubbling device of air supporting machine operating performance with this.
The technical scheme that solves the problems of the technologies described above is:
Slag absorbing of a kind of air supporting machine and bubbling device, it is by the person in charge, take-off pipe, dreg inhaling pipe, bubbling pipe is formed, an end of being responsible for is connected with pressurized air, the other end connects sludge thickener, and dreg inhaling pipe is many, and the bottom is uniform along being responsible for, one end of dreg inhaling pipe is communicated with bottom being responsible for, the other end opening stretches to the below, also is connected with take-off pipe on person in charge's sidewall, one end of take-off pipe is communicated with the person in charge, the other end sealing, bubbling pipe is many, and is uniform along the take-off pipe bottom, one end of bubbling pipe is communicated with the take-off pipe bottom, the below is stretched in the other end sealing, is evenly distributed with a plurality of pores on the tube wall of bubbling pipe.
Slag absorbing of above-mentioned air supporting machine and bubbling device, described dreg inhaling pipe are under person in charge bottom, and the junction is 30 °～45 bottom being responsible for, and the dreg inhaling pipe bottom is a suction nozzle, and suction nozzle is a horn opening, and plane of the opening is parallel with air supporting machine bottom surface.
Slag absorbing of above-mentioned air supporting machine and bubbling device, described bubbling pipe are connected with take-off pipe is vertical under take-off pipe, and the diameter of pore is 1mm.
Slag absorbing of above-mentioned air supporting machine and bubbling device are provided with support at the air supporting motor spindle, and dreg inhaling pipe and bubbling pipe are fixed on the support by clamp.
Slag absorbing of above-mentioned air supporting machine and bubbling device are on being responsible for, at dreg inhaling pipe and between being responsible for, be connected with valve respectively between bubbling pipe and take-off pipe.
Adopt slag absorbing of this air supporting machine and bubbling device, the pressurized air of feed being responsible for is inhaled into dreg inhaling pipe with throw outs such as the air supporting motor spindle dregs of fat, is extruded by pressurized air again, enters original sludge thickener and is removed; Simultaneously, pressurized air bloats through the circular aperture of bubbling pipe, brings partially hydrophobic oils into air supporting machine top by the flotation effect, removes by original scraper plate, has strengthened air supporting machine operating performance.This apparatus structure is simple, and installation, maintenance, replacing are conveniently.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Mark is as follows among the figure: the person in charge 1, take-off pipe 2, dreg inhaling pipe 3, bubbling pipe 4, suction nozzle 5, pore 6, sludge thickener 7, pressurized air 8, valve 9
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
Show among the figure, person in charge's structure of the present utility model is: under the constant situation of original air supporting machine structure formation, with air supporting machine top, install one of DN50 rectangular duct additional apart from air supporting machine edge 400mm, the rectangular duct medullary ray also installs the DN50 pipeline additional, be connected with rectangular duct, constitute and be responsible for 1.Between three long side pipe roads of above pipeline a DN50 pipeline is installed respectively, the one end links to each other with the person in charge 1, and the other end is airtight, is take-off pipe 2.Be responsible for 1 inlet and 4Kg/cm
2Pressurized air 8 connects 4Kg/cm
2Pressurized air is introduced by original roots blower.
Show among the figure that the structure of dreg inhaling pipe 3 of the present utility model is: dreg inhaling pipe 3 is many, and 1 bottom is uniform along being responsible for, and dreg inhaling pipe 3 is under the person in charge 1 bottom.One end of dreg inhaling pipe 3 is communicated with the person in charge 1 bottom, and the other end opening stretches to the below, is 30 °～45 with person in charge junction, 1 bottom.Dreg inhaling pipe 3 bottoms are suction nozzle 5, and suction nozzle 5 is a horn opening, and plane of the opening is parallel with air supporting machine bottom surface.The dreg inhaling pipe 3 of an embodiment of the present utility model is 9, is connected to 3 and is responsible for 1 bottom, and suction nozzle 5 diameter 150mm, suction nozzle 5 is apart from air supporting machine bottom surface 50mm.
Show among the figure that the structure of bubbling pipe 4 of the present utility model is: bubbling pipe 4 is many, and uniform along take-off pipe 2 bottoms, bubbling pipe 4 is under take-off pipe 2 bottoms.One end of bubbling pipe 4 is communicated with take-off pipe 2 bottoms, and the below is stretched in the other end sealing, is 90 ° of angles with junction, take-off pipe 2 bottom.Be evenly distributed with a plurality of pores 6 on the tube wall of bubbling pipe 4.The bubbling pipe 4 of an embodiment of the present utility model is 6, be connected to the bottom of 2 take-off pipes 2, every bubbling pipe 4 bottoms are apart from air supporting machine bottom surface 50mm, more than pipe end 50mm, holing respectively, 8 venting holes 6 of evenly arranging, every row's spacing is 40mm, and 10 of every venting holes, the diameter in hole be 1mm, be shaped as circle.
Show among the figure, be responsible on 1, be responsible for 1 and pressurized air 8 between, at dreg inhaling pipe 3 with between being responsible for 1, between bubbling pipe 4 and take-off pipe 2, be connected with valve 9 respectively.
For preventing the vibration of dreg inhaling pipe 3 and bubbling pipe 4, at the air supporting motor spindle support is set, with clamp dreg inhaling pipe 3 and bubbling pipe 4 are fixed with support.
Principle of work of the present utility model is:
The person in charge 1 and dreg inhaling pipe 3 constitute threeways, dreg inhaling pipe 3 and the person in charge's 1 coupling end are 30～45 degree, be responsible for 1 inlet end and feed pressurized air 8, produce negative pressure in dreg inhaling pipe 3, throw outs such as the air supporting motor spindle dregs of fat are inhaled into dreg inhaling pipe 3, enter by threeway to be compressed air after being responsible for 1 and to extrude, after flowing into original sludge thickener 7 gravity settlings and concentrating, with mud together by after the band press dehydration, form mud cake and be blended into coal blending, thereby be removed.Simultaneously, pressurized air bloats through the circular aperture of bubbling pipe 4, brings partially hydrophobic oils into air supporting machine top by the flotation effect, removes by original scraper plate, has strengthened air supporting machine operating performance.
Claims (5)
1. air supporting machine slag absorbing and bubbling device, it is characterized in that: it is by being responsible for [1], take-off pipe [2], dreg inhaling pipe [3], bubbling pipe [4] is formed, an end of being responsible for [1] is connected with pressurized air [8], the other end connects sludge thickener [7], dreg inhaling pipe [3] is many, [1] bottom is uniform along being responsible for, one end of dreg inhaling pipe [3] is communicated with the person in charge [1] bottom, the other end opening stretches to the below, also is connected with take-off pipe [2] on the person in charge's [1] sidewall, one end of take-off pipe [2] is communicated with the person in charge [1], the other end sealing, bubbling pipe [4] is many, and is uniform along take-off pipe [2] bottom, one end of bubbling pipe [4] is communicated with take-off pipe [2] bottom, the below is stretched in the other end sealing, is evenly distributed with a plurality of pores [6] on the tube wall of bubbling pipe [4].
2. air supporting machine according to claim 1 slag absorbing and bubbling device, it is characterized in that: described dreg inhaling pipe [3] is under the person in charge [1] bottom, be 30 °～45 with junction, the person in charge [1] bottom, dreg inhaling pipe [3] bottom is suction nozzle [5], suction nozzle [3] is a horn opening, and plane of the opening is parallel with air supporting machine bottom surface.
3. air supporting machine according to claim 2 slag absorbing and bubbling device is characterized in that: described bubbling pipe [4] is under take-off pipe [2], and with vertical connection of take-off pipe [2], the diameter of pore [6] is 1mm.
4. air supporting machine according to claim 3 slag absorbing and bubbling device is characterized in that: at the air supporting motor spindle support is set, dreg inhaling pipe [3] and bubbling pipe [4] are fixed on the support by clamp.
5. air supporting machine according to claim 4 slag absorbing and bubbling device is characterized in that: be responsible for [1] go up, between the dreg inhaling pipe [3] and the person in charge [1], between bubbling pipe [4] and take-off pipe [2], be connected with valve [9] respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201046149U CN201560134U (en) | 2009-09-10 | 2009-09-10 | Slag-absorbing and bubbling device of air flotation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201046149U CN201560134U (en) | 2009-09-10 | 2009-09-10 | Slag-absorbing and bubbling device of air flotation machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201560134U true CN201560134U (en) | 2010-08-25 |
Family
ID=42625281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201046149U Expired - Fee Related CN201560134U (en) | 2009-09-10 | 2009-09-10 | Slag-absorbing and bubbling device of air flotation machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201560134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275074A (en) * | 2014-06-23 | 2016-01-27 | 江苏夏航环境工程有限公司 | Self-return sludge combined pipe in integrated sewage treatment device |
-
2009
- 2009-09-10 CN CN2009201046149U patent/CN201560134U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275074A (en) * | 2014-06-23 | 2016-01-27 | 江苏夏航环境工程有限公司 | Self-return sludge combined pipe in integrated sewage treatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20130910 |