CN207845205U - Sewage pressure floatation air device - Google Patents
Sewage pressure floatation air device Download PDFInfo
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- CN207845205U CN207845205U CN201721428653.5U CN201721428653U CN207845205U CN 207845205 U CN207845205 U CN 207845205U CN 201721428653 U CN201721428653 U CN 201721428653U CN 207845205 U CN207845205 U CN 207845205U
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- air
- forced feed
- pressurized canister
- tank
- sewage
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Abstract
The utility model provides a kind of sewage pressure floatation air device, belongs to technical field of sewage.It includes flotation tank mechanism and pressurizer mechanism, the pressurizer mechanism includes pressurized canister, it is arranged with forced feed tank outside pressurized canister, the pressurized canister is fixedly connected with forced feed tank, pressurized canister is equipped with the forced feed pipe of connection forced feed tank, air inlet pipe is equipped in pressurized canister, several exhaust disks are connected in air inlet pipe, it is connected to inside the exhaust disk and pressurized canister, the air inlet pipe connects compressed air generator, the flotation tank mechanism includes flotation tank, and it is centered around the air flotation slot of flotation tank top edge, air supporting trench bottom is connected with discharge nozzle.The utility model can realize separation of solid and liquid and water-oil separating simultaneously.
Description
Technical field
The utility model belongs to technical field of sewage, is related to a kind of sewage pressure floatation air device.
Background technology
Oil slick and solid particulate matter are usually contained in sewage, existing purification method is typically settled process, i.e., using precipitation
Pond is precipitated, and sedimentation basin is a kind of structures that suspended matter in water removal is removed using precipitation, the equipment to purify water.It utilizes
The natural sedimentation of water or acting on to remove the suspended matter in water for coagulating sedimentation.Sedimentation basin is divided into horizontal sedimentation basin by water (flow) direction
With vertical sedimentation basin.Sedimentation effect is decided by the residence time of the flow velocity of water and water in pond in sedimentation basin.In order to improve precipitation
Effect reduces land area, mostly uses the incorgruous sedimentation tank of honeycomb inclined-tube, accelerating purifying pool, plusator etc. at present.Precipitation
Pond is widely used in the treatment of waste water.
But sedimentation basin can only solve the problems, such as to be separated by solid-liquid separation, and for oil slick, the prior art is realized using Bubble-floating Method, but is such as existed
Air supporting is carried out in settling tank, water body can be stirred, then cannot achieve the effect of sedimentation.Therefore flotation tank and settling tank are divided equally
Independence is opened, since multiple ponds are arranged, floor space is relatively large.
Such as Chinese patent literature discloses a kind of sedimentation basin [application number：201510450441.6], it includes sedimentation basin
Ontology, bottom face is equipped with activated carbon adsorption layer in the sedimentation basin ontology, will be precipitated by partition board in the sedimentation basin ontology
Pond is divided into settling zone and clean water area, and the middle and upper part of the partition board is equipped with gap, and the both sides of the sedimentation basin ontology are respectively equipped with
Water inlet pipe and outlet pipe, the water inlet pipe are located in settling zone, and the outlet pipe is located in clean water area, are set below the water inlet pipe
There are the deflector being obliquely installed, the surface of the deflector to be equipped with ultraviolet sterilizer.Said program can only just realize sedimentation
Effect, cannot achieve the effect of water-oil separating.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, providing a kind of sewage pressure floatation air device.
In order to achieve the above objectives, the utility model uses following technical proposal：
A kind of sewage pressure floatation air device, including flotation tank mechanism and pressurizer mechanism,
The pressurizer mechanism includes pressurized canister, is arranged with forced feed tank outside pressurized canister, the pressurized canister with plus
Batch can is pressed into be fixedly connected, pressurized canister is equipped with the forced feed pipe of connection forced feed tank, and air inlet pipe is equipped in pressurized canister,
It is connected with several exhaust disks in air inlet pipe, is connected to inside the exhaust disk and pressurized canister, air inlet pipe connection compression
Air generator,
The flotation tank mechanism includes flotation tank, and is centered around the air flotation slot of flotation tank top edge, air flotation slot bottom
Portion is connected with discharge nozzle.
In above-mentioned sewage pressure floatation air device, several exhaust disks are uniformly arranged along the axially spaced-apart of air inlet pipe, and
Venthole is densely covered on exhaust disk, compressed air generator is compressed air cylinder or air compressor.
In above-mentioned sewage pressure floatation air device, the bottom bore of the pressurized canister is gradually reduced to form the first pressurization
Settling zone, the first pressurized precipitation area bottom is connected with the first pressurised exhaust pipe and the first pressurised exhaust pipe extends forced feed
Outside tank.
In above-mentioned sewage pressure floatation air device, the forced feed pot bottom bore be gradually reduced to be formed second plus
Press settling zone, the second pressurized precipitation area bottom is connected with the second pressurised exhaust pipe and the second pressurised exhaust pipe extend pressurize into
Outside batch can.
It is inclined to set there are one being fixed in above-mentioned sewage pressure floatation air device, on the inner wall of the pressurized canister
First spiral board, the first spiral board are located at the outer of the first spiral board of outlet face of the top of forced feed pipe and forced feed pipe
Wall.
In above-mentioned sewage pressure floatation air device, there are one be inclined to set for the inner wall fixation of the forced feed tank
The second spiral board, forced feed mouth is additionally provided on forced feed tank, the second spiral board is located above forced feed mouth and pressurizes
The second spiral board of feed inlet face.
In above-mentioned sewage pressure floatation air device, first spiral board and the second spiral board are in inverted round stage taper.
In above-mentioned sewage pressure floatation air device, the flotation tank includes release pond and run-off, release pond pipe
Road connects at the top of pressurized canister, and the bottom of release pond is connected to run-off, and the height of the run-off is less than air flotation slot.
In above-mentioned sewage pressure floatation air device, the release pond bottom is equipped with air supporting plate, on the air supporting plate
It is densely covered with aperture, the junction of release pond and pressurized canister is located above air supporting plate, and air supporting link slot, institute are equipped with below air supporting plate
The air supporting link slot connection release pond and run-off stated.
In above-mentioned sewage pressure floatation air device, the release pond and run-off are respectively equipped with low spot drain valve,
Air flotation slot is equipped with overflow valve, and the overflow valve connects oil slick pond, and air supporting trench bottom is equipped with control valve.
Compared with prior art, the utility model has the advantage of：
In pressurized with compressed air mixed process, separation of solid and liquid can be realized to sewage, make solid particle from pressurized canister and
Forced feed pot bottom is discharged, and compressed air is uniformly mixed with sewage by being vented disk, is before next step oil extraction creation is good
Set condition.
In release pond, since gas mixing is uniform, release process is also uniform, and oil slick is enable fully to divide with sewage
From realizing water-oil separating, after reducing the COD value in sewage, then top overflow by release pond and run-off, oil slick is received
Collection, is sufficiently separated with sewage.
The utility model can realize separation of solid and liquid and realize water-oil separating, can reduce the COD value in sewage, also can
Improve the clarity of sewage.
Part is illustrated to embody by the further advantage, target and feature of the utility model by following, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the structural schematic diagram of utility model.
Fig. 2 is the internal structure schematic diagram of air inlet pipe connection exhaust disk.
Fig. 3 is the stereoscopic schematic diagram of air inlet pipe connection exhaust disk.
In figure, flotation tank mechanism 301, pressurizer mechanism 302, pressurized canister 303, forced feed tank 304, forced feed pipe
305, air inlet pipe 306, exhaust disk 307, compressed air generator 308, flotation tank, air flotation slot 310, venthole 311, first pressurize
Settling zone 312, the first pressurised exhaust pipe 313, the second pressurized precipitation area 314, the second pressurised exhaust pipe 315, the first spiral board
316, the second spiral board 317, forced feed mouth 318, release pond 319, run-off 320, air supporting plate 321, air supporting link slot 322,
Low spot drain valve 323, overflow valve 324, oil slick pond 325, control valve 326.
Specific implementation mode
As shown in Figure 1, a kind of sewage pressure floatation air device, including flotation tank mechanism 301 and pressurizer mechanism 302, it is described
Pressurizer mechanism 302 include pressurized canister 303, be arranged with forced feed tank 304 outside pressurized canister 303, the pressurized canister 303 with
Forced feed tank 304 is fixedly connected, and pressurized canister 303 is equipped with the forced feed pipe 305 of connection forced feed tank 304, pressurized canister
It is equipped with air inlet pipe 306 in 303, several exhaust disks 307, the exhaust disk 307 and pressurized canister are connected in air inlet pipe 306
303 inside connections, the air inlet pipe 306 connect compressed air generator 308,
The flotation tank mechanism 301 includes flotation tank, and is centered around the air flotation slot 310 of flotation tank top edge, gas
310 bottom of floating trough is connected with discharge nozzle.
Sewage, which is introduced into, is pressed into batch can 304, and pump can be used and play pressurization, the pressure of sewage is normally controlled in 0.3-0.8MPa.
Later, sewage is entered by feed pipe 305 in pressurized canister 303, and air enters from air inlet pipe 306, is drained by exhaust disk 307
In sewage, mixed with sewage.
In conjunction with shown in Fig. 2 and Fig. 3, several exhaust disks 307 are uniformly arranged along the axially spaced-apart of air inlet pipe 306, and are vented
Venthole 311 is densely covered on disk 307.Air inlet pipe 306 be connected to exhaust disk 307, and air, which enters, to be vented after disk 307 from venthole
311 overflow, and uniformly enter in the sewage inside pressurized canister 303.Preferred embodiment, be vented disk 307 upper and lower surface and
Venthole 311 is offered on side wall, gas is entered from all directions in sewage, evenly dispersed, is compressed under pressure
In sewage.Compressed air generator 308 is compressed air cylinder or air compressor, and compressed air enters from exhaust disk 307,
The pressure of compressed air is normally controlled in 0.3-0.6MPa.
The bottom bore of the pressurized canister 303 is gradually reduced to form the first pressurized precipitation area 312, the pressurization into
304 bottom bore of batch can be gradually reduced to be formed 314 first pressurized precipitation area of the second pressurized precipitation area, 312 bottom be connected with first plus
It presses delivery pipe 313 and the first pressurised exhaust pipe 313 extends outside forced feed tank 304,314 bottom of the second pressurized precipitation area
It is connected with the second pressurised exhaust pipe 315 and the second pressurised exhaust pipe 315 extends outside forced feed tank 304.
Particulate matter is had in sewage, under pressure floatation air effect, particulate matter can accelerate to sink, heavy in pressurized canister
Starch is gradually deposited in the first pressurized precipitation area 312, and timing is opened the first pressurised exhaust pipe 313 and can be discharged outside the tank, forced feed
Sediment in tank 304 is precipitated in charging, is gradually deposited to the second pressurized precipitation area 314, and the second pressurization is opened in timing
Delivery pipe 315 can discharge outside the tank.
It will be appreciated by those skilled in the art that the first pressurised exhaust pipe 313 and the second pressurised exhaust pipe 315 are respectively connected with valve
Door.
It is fixed on the inner wall of the pressurized canister 303 that there are one the first spiral board 316 being inclined to set, the first spiral boards
316 are located at the outer wall of the top of forced feed pipe 305 and the first spiral board of outlet face 316 of forced feed pipe 305.
There are one the second spiral board 317 being inclined to set, forced feeds for the inner wall fixation of the forced feed tank 304
Forced feed mouth 318 is additionally provided on tank 304, the second spiral board 317 is located at 318 top of forced feed mouth and forced feed mouth 318
The second spiral board of face 317.
First spiral board 316 and the second spiral board 317 is in inverted round stage taper.The first spiral board of flow impact 316
It flows downward with the second spiral board 317, generates vortex, the sedimentation of accelerating solid particulate matter.Improve the cleaning efficiency of water body.
Preferred embodiment, the first spiral board 316 and the second spiral board 317 are in the helical form being rotated down, water impact first
Vortex is formed after spiral board 316 and the second spiral board 317, water body is cleaned in the sedimentation of accelerating solid particulate matter.
Flotation tank includes release pond 319 and run-off 320, and run-off 320 can have multiple, and release pond 319 is connected with pipeline
303 top of pressurized canister is connect, the bottom of release pond 319 is connected to run-off 320, and the height of the run-off 320 is less than air supporting
Slot 310.
The sewage of release pond 319 is flowed by bottom in run-off 320, if run-off 320 has multiple, can also use bottom
Portion connection method be sequentially communicated, when run-off has it is multiple when, multistage overflow can be formed, be convenient for oil slick collection.
Inside enters after having the sewage of compressed air to be come out from pressurized canister in release pond 319, and gas discharges under normal pressure
Become minute bubbles one by one, the oil slick in sewage is taken on the water surface, on the one hand slick can be flowed into run-off
It in 320, on the other hand can also be fed directly in air flotation slot 310, oil slick collects recycling, gas-liquid separation device 310 in air flotation slot 310
Bottom connects sewage with pipeline, and oil slick is taken away from gas-liquid separation device 310.
319 bottom of release pond is equipped with air supporting plate 321, and aperture, release pond are densely covered on the air supporting plate 321
319 are located at the junction of pressurized canister 303 above air supporting plate 321, that is, the junction of pipeline and flotation tank is located at air supporting plate
Top, gas degassing kickboard top are released, and air supporting link slot 322, air supporting link slot 322 are equipped with below air supporting plate 321
It can be strip, can also be poroid, for sewage to be connected to flotation tank, the air supporting link slot 322 is connected to release pond 319
With run-off 320.
The effect of air supporting plate is to reduce the flow velocity of flow, uniformly settles solid particle, and make gas on air supporting plate
Side is fully discharged, and oil slick is sufficiently separated.
The release pond 319 and run-off 320 is respectively equipped with low spot drain valve 323, and low spot drain valve 323 is for arranging
Dirt, is equipped with overflow valve 324 on air flotation slot 310, and overflow valve 324 connects oil slick pond for discharging oil slick, the overflow valve 324
325,310 bottom of air flotation slot is equipped with control valve 326, and control valve 326 is for discharging the sewage detached with oil slick, the width of valve regulated
Degree belongs to common knowledge, and details are not described herein again.
It will be appreciated by those skilled in the art that is flowed out from the pipeline that control valve 326 connects is sewage rather than oil slick, float
Oil is to be flowed into oil slick pond 325 to be collected by overflow valve, is detached in next step to do.
The operation principle of the present embodiment is：
Sewage water pump is pumped into from forced feed mouth 318, in forced feed tank 304 after rotational flow settlement, by pressurizeing
Feed pipe 305 enters in pressurized canister 303, and the compressed air that compressed air generator 308 generates is by 306 row of entering of air inlet pipe
Gas disk 307 uniformly enters pressurized canister after release, is sufficiently mixed with sewage, later by entering release pond at the top of pressurized canister
319, gas becomes intensive minute bubbles release in release pond, drives oil slick to float at the top of sewage, sewage is flowed into run-off
After 320, the oil slick at top is flowed into air flotation slot 310, is flowed into oil slick pond 325 and is collected through overflow valve 324.
The sewage of bottom in run-off can be discharged by low spot drain valve 323, and the sewage in air flotation slot 310 passes through
Control valve 326 discharges, and realizes water-oil separating, while reducing the COD value in sewage.
In addition, the particulate matter in sewage, by pressurized canister 303, forced feed tank 304, release pond 319 and run-off 320
After Multistage settling, fully realizes and be separated by solid-liquid separation, to make the solid waste in sewage be efficiently separated.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although flotation tank mechanism 301, pressurizer mechanism 302, pressurized canister 303, forced feed tank is used more herein
304, forced feed pipe 305, air inlet pipe 306, exhaust disk 307, compressed air generator 308, flotation tank, air flotation slot 310, outlet
Hole 311, the first pressurized precipitation area 312, the first pressurised exhaust pipe 313, the second pressurized precipitation area 314, the second pressurised exhaust pipe
315, the first spiral board 316, the second spiral board 317, forced feed mouth 318, release pond 319, run-off 320, air supporting plate 321,
The terms such as air supporting link slot 322, low spot drain valve 323, overflow valve 324, oil slick pond 325, control valve 326, but be not precluded and make
With the possibility of other terms.The use of these terms is merely for the convenience of describing and explaining the nature of the invention,
It is contrary to the spirit of the present invention to interpret them as any one of the additional limitations.
Claims (10)
1. a kind of sewage pressure floatation air device, including flotation tank mechanism (301) and pressurizer mechanism (302), which is characterized in that
The pressurizer mechanism (302) includes pressurized canister (303), and forced feed tank (304) is arranged with outside pressurized canister (303),
The pressurized canister (303) is fixedly connected with forced feed tank (304), and pressurized canister (303) is equipped with connection forced feed tank
(304) forced feed pipe (305), pressurized canister (303) is interior to be equipped with air inlet pipe (306), is connected in air inlet pipe (306) several
It is connected to inside a exhaust disk (307), the exhaust disk (307) and pressurized canister (303), the air inlet pipe (306) connection pressure
Contracting air generator (308),
The flotation tank mechanism (301) includes flotation tank, and is centered around the air flotation slot (310) of flotation tank top edge, gas
Floating trough (310) bottom is connected with discharge nozzle.
2. sewage pressure floatation air device according to claim 1, which is characterized in that several exhaust disks (307) are along air inlet pipe
(306) axially spaced-apart is uniformly arranged, and is vented on disk (307) and is densely covered with venthole (311), compressed air generator
(308) it is compressed air cylinder or air compressor.
3. sewage pressure floatation air device according to claim 1, which is characterized in that the bottom of the pressurized canister (303)
Bore is gradually reduced to form the first pressurized precipitation area (312), and first pressurized precipitation area (312) bottom is connected with the first pressurised exhaust
It is external that pipe (313) and the first pressurised exhaust pipe (313) extend forced feed tank (304).
4. sewage pressure floatation air device according to claim 3, which is characterized in that described forced feed tank (304) bottom
Portion's bore is gradually reduced to form the second pressurized precipitation area (314), and second pressurized precipitation area (314) bottom is connected with the second pressurization row
It puts pipe (315) and the second pressurised exhaust pipe (315) extends forced feed tank (304) outside.
5. sewage pressure floatation air device according to claim 1, which is characterized in that the inner wall of the pressurized canister (303)
There are one the first spiral board (316) being inclined to set, the first spiral boards (316) to be located at forced feed pipe (305) for upper fixation
The outer wall of the first spiral board of outlet face (316) of top and forced feed pipe (305).
6. sewage pressure floatation air device according to claim 5, which is characterized in that the forced feed tank (304)
Inner wall is fixed there are one the second spiral board (317) being inclined to set, and forced feed tank is additionally provided with forced feed mouth on (304)
(318), the second spiral board (317) is located at forced feed mouth (318) top and forced feed mouth (318) second spiral board of face
(317)。
7. sewage pressure floatation air device according to claim 6, which is characterized in that first spiral board (316) and
Second spiral board (317) is in inverted round stage taper.
8. sewage pressure floatation air device according to claim 1, which is characterized in that the flotation tank includes release pond
(319) with run-off (320), release pond (319) connects with pipeline at the top of pressurized canister (303), the bottom of release pond (319) with overflow
Pond (320) connection is flowed, the height of the run-off (320) is less than air flotation slot (310).
9. sewage pressure floatation air device according to claim 8, which is characterized in that described release pond (319) bottom is set
There is air supporting plate (321), aperture, the junction of release pond (319) and pressurized canister (303) are densely covered on the air supporting plate (321)
Above air supporting plate (321), air supporting link slot (322), the air supporting link slot are equipped with below air supporting plate (321)
(322) connection release pond (319) and run-off (320).
10. sewage pressure floatation air device according to claim 9, which is characterized in that the release pond (319) and overflow
Pond (320) is respectively equipped with low spot drain valve (323), and overflow valve (324), the overflow valve are equipped on air flotation slot (310)
(324) oil slick pond (325) are connected, air flotation slot (310) bottom is equipped with control valve (326).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721428653.5U CN207845205U (en) | 2017-10-31 | 2017-10-31 | Sewage pressure floatation air device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721428653.5U CN207845205U (en) | 2017-10-31 | 2017-10-31 | Sewage pressure floatation air device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207845205U true CN207845205U (en) | 2018-09-11 |
Family
ID=63426572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721428653.5U Expired - Fee Related CN207845205U (en) | 2017-10-31 | 2017-10-31 | Sewage pressure floatation air device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207845205U (en) |
-
2017
- 2017-10-31 CN CN201721428653.5U patent/CN207845205U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20191031 |