CN107879410A - Pressurizer mechanism for sewage pressure floatation air - Google Patents

Pressurizer mechanism for sewage pressure floatation air Download PDF

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Publication number
CN107879410A
CN107879410A CN201711042320.3A CN201711042320A CN107879410A CN 107879410 A CN107879410 A CN 107879410A CN 201711042320 A CN201711042320 A CN 201711042320A CN 107879410 A CN107879410 A CN 107879410A
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CN
China
Prior art keywords
air
tank
forced feed
pressurizer
sewage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711042320.3A
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Chinese (zh)
Inventor
卢梅雅
Original Assignee
卢梅雅
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 卢梅雅 filed Critical 卢梅雅
Priority to CN201711042320.3A priority Critical patent/CN107879410A/en
Publication of CN107879410A publication Critical patent/CN107879410A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/24Treatment of water, waste water, or sewage by flotation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/38Treatment of water, waste water, or sewage by centrifugal separation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/40Devices for separating or removing fatty or oily substances or similar floating material
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/06Pressure conditions
    • C02F2301/066Overpressure, high pressure
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions

Abstract

The invention provides a kind of pressurizer mechanism for sewage pressure floatation air, belong to technical field of sewage.It includes pressurized canister, forced feed tank is arranged with outside pressurized canister, described pressurized canister is fixedly connected with forced feed tank, the forced feed pipe of forced feed tank is communicated with pressurized canister, air inlet pipe is provided with pressurized canister, several exhaust disks are connected with air inlet pipe, described exhaust disk inside pressurized canister with connecting, described air inlet pipe connection compressed air generator, the top of described pressurized canister is fixedly connected with forced feed tank top.The present invention can realize separation of solid and liquid in pressurized with compressed air mixed process to sewage.

Description

Pressurizer mechanism for sewage pressure floatation air
Technical field
The invention belongs to technical field of sewage, is related to a kind of pressurizer mechanism for sewage pressure floatation air.
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, sedimentation basin be using precipitation go water removal in suspension a kind of structures, the equipment to purify water.Utilize The natural sedimentation of water or acting on to remove the suspension 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 and water of sedimentation basin reclaimed water in pond.In order to improve precipitation Effect, land area is reduced, it is more using 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 separation of solid and liquid, for oil slick, 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 can not realize the effect of sedimentation.Therefore flotation tank and settling tank are divided equally Independence is opened, due to set multiple ponds, therefore floor space is relatively large.
Such as Chinese patent literature discloses a kind of sedimentation basin [application number:201510450441.6], it includes sedimentation basin Body, bottom face is provided with activated carbon adsorption layer in the sedimentation basin body, will be precipitated by dividing plate in the sedimentation basin body Pond is divided into settling zone and clean water area, and the middle and upper part of the dividing plate is provided with gap, and the both sides of the sedimentation basin body 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 is the deflector being obliquely installed, the surface of the deflector is provided with ultraviolet sterilizer.Such scheme can only just realize sedimentation Effect, the effect of water-oil separating can not be realized.
The content of the invention
Regarding the issue above, the present invention provides a kind of pressurizer mechanism for sewage pressure floatation air.
To reach above-mentioned purpose, present invention employs following technical proposal:
A kind of pressurizer mechanism for sewage pressure floatation air, including pressurized canister, pressurized canister are arranged with forced feed outside Tank, described pressurized canister are fixedly connected with forced feed tank, and the forced feed pipe of forced feed tank is communicated with pressurized canister, is added Air inlet pipe is provided with pressure tank, several exhaust disks are connected with air inlet pipe, described exhaust disk inside pressurized canister with connecting, institute The air inlet pipe connection compressed air generator stated, the top of described pressurized canister is fixedly connected with forced feed tank top.
In the above-mentioned pressurizer mechanism for sewage pressure floatation air, axially spaced-apart of some exhaust disks along air inlet pipe It is uniform to set, and be vented on disk and be densely covered with venthole, compressed air generator is compressed air cylinder or air compressor.
In the above-mentioned pressurizer mechanism for sewage pressure floatation air, the bottom bore of described pressurized canister gradually contracts The first pressurized precipitation area of small formation, the first pressurized precipitation area bottom is connected with the first pressurised exhaust pipe and the first pressurised exhaust pipe Extend outside forced feed tank.
In the above-mentioned pressurizer mechanism for sewage pressure floatation air, described forced feed pot bottom bore is gradual Reduce and form the second pressurized precipitation area, the second pressurized precipitation area bottom is connected with the second pressurised exhaust pipe and second pressurised exhaust Pipe extends outside forced feed tank.
In the above-mentioned pressurizer mechanism for sewage pressure floatation air, one is fixed with the inwall of described pressurized canister Individual the first spiral board being inclined to set, the first spiral board are located at the top of forced feed pipe and the outlet face of forced feed pipe The outer wall of first spiral board.
In the above-mentioned pressurizer mechanism for sewage pressure floatation air, the inwall of described forced feed tank is fixed with One the second spiral board being inclined to set, is additionally provided with forced feed mouth on forced feed tank, the second spiral board positioned at pressurize into Material mouth top and forced feed mouth the second spiral board of face.
In the above-mentioned pressurizer mechanism for sewage pressure floatation air, described the first spiral board and the second spiral board In inverted round stage taper.
In the above-mentioned pressurizer mechanism for sewage pressure floatation air, described the first spiral board and the second spiral board The helically downward spiral shape in direction.
In the above-mentioned pressurizer mechanism for sewage pressure floatation air, the first described pressurised exhaust pipe and second adds The axial line of pressure delivery pipe is parallel to each other.
In the above-mentioned pressurizer mechanism for sewage pressure floatation air, flotation tank is connected with the top of described pressurized canister Mechanism, venthole gather in the upper and lower surface and side wall of exhaust disk.
Compared with prior art, the advantage of the invention is that:
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 well mixed with sewage by being vented disk, before being created well for next step oil extraction Put condition.
In release pond, because gas mixing is uniform, therefore release process is also uniform, oil slick is fully divided with sewage From realizing water-oil separating, reduce the COD value in sewage, then after the top overflow by release pond and run-off, oil slick is received Collection, is sufficiently separated with sewage.
The present invention can realize separation of solid and liquid, and and can realizes water-oil separating, can reduce the COD value in sewage, can also improve The clarity of sewage.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this The research and practice of invention and be understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the structural representation of invention.
Fig. 2 is the internal structure schematic diagram of air inlet pipe connection exhaust disk.
Fig. 3 is the schematic perspective view of air inlet pipe connection exhaust disk.
Fig. 4 is the structural representation of flotation tank.
In figure, flotation tank mechanism 301, pressurizer mechanism 302, pressurized canister 303, forced feed tank 304, forced feed pipe 305th, air inlet pipe 306, exhaust disk 307, compressed air generator 308, flotation tank 309, air flotation slot 310, venthole 311, 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 eddy flow Plate 316, the second spiral board 317, forced feed mouth 318, release pond 319, run-off 320, air supporting plate 321, air supporting link slot 322nd, low spot drain valve 323, overflow valve 324, oil slick pond 325, control valve 326, the first overflow launder 327, the second overflow launder 328.
Embodiment
Embodiment 1
As shown in figure 1, a kind of pressurizer mechanism for sewage pressure floatation air, this pressurizer mechanism 302 includes pressurization Tank 303, pressurized canister 303 are arranged with forced feed tank 304 outside, and described pressurized canister 303 is fixedly connected with forced feed tank 304, The forced feed pipe 305 of forced feed tank 304 is communicated with pressurized canister 303, air inlet pipe 306 is provided with pressurized canister 303, is entering Several exhaust disks 307 are connected with tracheae 306, described exhaust disk 307 connects with the inside of pressurized canister 303, described air inlet Pipe 306 connects compressed air generator 308, and the top of described pressurized canister 303 is fixedly connected with the top of forced feed tank 304.
Sewage, which is introduced into, is pressed into batch can 304, and pressurization can be played using pump, and the pressure of sewage is normally controlled in 0.3-0.8MPa. Afterwards, sewage is entered in pressurized canister 303 by feed pipe 305, and air enters from air inlet pipe 306, and dirt is drained into by exhaust disk 307 In water, mixed with sewage.
With reference to shown in Fig. 2 and Fig. 3, axially spaced-apart of some exhaust disks 307 along air inlet pipe 306 is uniformly set, and is vented Venthole 311 is densely covered with disk 307.Air inlet pipe 306 connects with exhaust disk 307, from venthole after air entrance exhaust disk 307 311 overflow, and uniformly enter in the sewage inside pressurized canister 303.Preferred scheme, it is vented the upper and lower surface and side of disk 307 Venthole 311 is offered on wall, gas is entered in sewage from all directions, 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, compressed The pressure of air is normally controlled in 0.3-0.6MPa.
The bottom bore of described pressurized canister 303 is gradually reduced to form the first pressurized precipitation area 312, described forced feed The bottom bore of tank 304, which is gradually reduced, to be formed the bottom of 314 first pressurized precipitation area of the second pressurized precipitation area 312 and is connected with the first pressurization Delivery pipe 313 and the first pressurised exhaust pipe 313 extends outside forced feed tank 304, the bottom of the second pressurized precipitation area 314 connect It is connected to 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 the first pressurised exhaust pipe 313 is opened in timing can be outside drain 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 be outside drain 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.
First spiral board 316 being inclined to set, the first spiral board are fixed with the inwall of described pressurized canister 303 316 positioned at the top of forced feed pipe 305 and the outer wall of the first spiral board of outlet face 316 of forced feed pipe 305.
The inwall of described forced feed tank 304 is fixed with second spiral board 317 being inclined to set, forced feed Forced feed mouth 318 is additionally provided with tank 304, the second spiral board 317 is located at the top of forced feed mouth 318 and forced feed mouth 318 The second spiral board of face 317.
The first described spiral board 316 and the second spiral board 317 are in inverted round stage taper.The first spiral board of flow impact 316 Flowed downward with the second spiral board 317, produce vortex, the sedimentation of accelerating solid particulate matter.Improve the cleaning efficiency of water body.
Preferred scheme, 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 the spiral board 317 of spiral board 316 and second, the sedimentation of accelerating solid particulate matter, cleans water body.
Floating pond 309 includes release pond 319 and run-off 320, and run-off 320 can have multiple, and release pond 319 is connected with pipeline The top of pressurized canister 303 is connect, the bottom of release pond 319 connects with run-off 320, and the height of described run-off 320 is less than air supporting Groove 310.
The sewage of release pond 319 is flowed into run-off 320 by bottom, as run-off 320 has multiple, can also use bottom The method of connection is sequentially communicated, when run-off has it is multiple when, multistage overflow can be formed, be easy to the collection of oil slick.
The sewage that there is compressed air inside is entered in release pond 319 after being come out from pressurized canister, and gas discharges at ambient 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 In 320, on the other hand it can also be fed directly in air flotation slot 310, oil slick collects recovery, 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.
The described bottom of release pond 319 is provided with air supporting plate 321, and aperture, release pond are densely covered with described air supporting plate 321 319 be located above air supporting plate 321 with the junction of pressurized canister 303, that is, the junction of pipeline and flotation tank is located on air supporting plate Side, gas degassing kickboard top are released, and air supporting link slot 322 are provided with below air supporting plate 321, air supporting link slot 322 can To be strip or poroid, for sewage to be connected into flotation tank, the described air supporting link slot 322 connection He of release pond 319 Run-off 320.
The effect of air supporting plate is to reduce the flow velocity of current, uniformly settles solid particle, and make gas on air supporting plate Side is fully discharged, and oil slick is sufficiently separated.
Described release pond 319 and run-off 320 is respectively equipped with low spot drain valve 323, and low spot drain valve 323 is used to arrange Dirt, is provided with overflow valve 324 on air flotation slot 310, and overflow valve 324 is used to discharge oil slick, described overflow valve 324 connection oil slick pond 325, the bottom of air flotation slot 310 is provided with control valve 326, and control valve 326 is used to discharge the sewage separated with oil slick, the width of valve regulated Degree belongs to common knowledge, and here is omitted.
It will be appreciated by those skilled in the art that what is flowed out at 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 separated in next step to do.
Helically the downward spiral shape in direction, formation are downward for preferred scheme, the first spiral board 316 and the second spiral board 317 Vortex power, improve the sinking speed of solid particulate matter.The axle of first pressurised exhaust pipe 313 and the second pressurised exhaust pipe 315 Heart line is parallel to each other, and discharge process is not interfere with each other mutually.
Venthole 311 gathers in the upper and lower surface and side wall of exhaust disk 307, and compressed air can enter from all directions Into sewage.
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 is entered in pressurized canister 303, and compressed air caused by compressed air generator 308 is by the row of entering of air inlet pipe 306 Gas disk 307, pressurized canister uniformly is entered after release, is sufficiently mixed with sewage, afterwards 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 is discharged, and realizes water-oil separating, while reduces 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, separation of solid and liquid is fully realized, so that the solid waste in sewage is efficiently separated.
Embodiment 2
The present embodiment and the structure and operation principle of embodiment 1 are essentially identical, and difference is, as shown in figure 1, pressurization The top of tank 303 is connected with flotation tank mechanism 301, and what flotation tank mechanism 301 included being interconnected includes flotation tank 309, described Flotation tank 309 includes mutual identical release pond 319 and run-off 320, bottom and the run-off 320 of described release pond 319 Connection, air flotation slot 310 is provided with the edge of run-off 320, described air flotation slot 310 is provided with overflow valve 324, described overflow Valve 324 is connected with oil slick pond 325 by pipeline.
With reference to shown in Fig. 4, the junction of described release pond 319 and run-off 320 is provided with the first overflow launder 327, overflow Pond 320 and the junction of release pond 319 are provided with the second overflow launder 328.
Release pond 319 is used for water-oil separating, and the oil slick after separation is first flowed into run-off 320 from the first overflow launder 327, then From there is the second overflow launder 328 to be flowed into air flotation slot 310, oil slick is flowed into oil slick pond 325 from overflow valve 324 and is collected, does down The processing of one step.
It will be appreciated by those skilled in the art that the subsequent treatment of oil slick is not this implementation technical problems to be solved.This reality Apply a technical problems to be solved is oil slick is quickly separated with water.
Specifically, the bottom of air flotation slot 310 is provided with control valve 326, and control valve 326 is used to discharge water, and overflow valve 324 is located at In the side wall of air flotation slot 310, and the height of overflow valve 324 is less than the pond heights of roofs of run-off 320, and the bottom level of oil slick layer is high When overflow valve 324, can the first draining of opening controlling valve 326, reduce oil slick layer height so that oil slick is arranged from overflow valve Go out.
When the bottom of oil slick layer is less than overflow valve, overflow valve oil extraction can be directly opened.
Run-off 320 and the bottom of release pond 319 are respectively arranged with low spot drain valve 323.It is heavy that low spot drain valve can both have been arranged Starch, can also draining.
One block of air supporting plate 321 is provided with release pond 319, air supporting link slot 322 is provided with below air supporting plate 321, it is described Air supporting link slot 322 connects release pond 319 and run-off 320, and aperture is densely covered with air supporting plate 321.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although flotation tank mechanism 301, pressurizer mechanism 302, pressurized canister 303, forced feed tank have more been used herein 304th, forced feed pipe 305, air inlet pipe 306, exhaust disk 307, compressed air generator 308, flotation tank 309, air flotation slot 310, Venthole 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 321st, air supporting link slot 322, low spot drain valve 323, overflow valve 324, oil slick pond 325, control valve 326, the first overflow launder 327, The grade term of second overflow launder 328, but it is not precluded from the possibility using other terms.Using these terms just for the sake of more square Just the essence of the present invention is described and explained, being construed as any additional limitation is disagreed with spirit of the present invention The back of the body.

Claims (10)

1. a kind of pressurizer mechanism for sewage pressure floatation air, including pressurized canister (303), it is characterised in that pressurized canister (303) forced feed tank (304) is arranged with outside, described pressurized canister (303) is fixedly connected with forced feed tank (304), pressurization The forced feed pipe (305) of forced feed tank (304) is communicated with tank (303), air inlet pipe is provided with pressurized canister (303) (306) several exhaust disks (307), are connected with air inlet pipe (306), described exhaust disk (307) is interior with pressurized canister (303) Portion connects, described air inlet pipe (306) connection compressed air generator (308), the top of described pressurized canister (303) and pressurization It is fixedly connected at the top of head tank (304).
2. the pressurizer mechanism according to claim 1 for sewage pressure floatation air, it is characterised in that some exhaust disks (307) uniformly set along the axially spaced-apart of air inlet pipe (306), and be vented on disk (307) and be densely covered with venthole (311), compressed Air generator (308) is compressed air cylinder or air compressor.
3. the pressurizer mechanism according to claim 1 for sewage pressure floatation air, it is characterised in that described pressurization The bottom bore of tank (303) is gradually reduced to form the first pressurized precipitation area (312), the connection of first pressurized precipitation area (312) bottom There is the first pressurised exhaust pipe (313) and the first pressurised exhaust pipe (313) extends forced feed tank (304) outside.
4. the pressurizer mechanism according to claim 3 for sewage pressure floatation air, it is characterised in that described pressurization Head tank (304) bottom bore is gradually reduced to form the second pressurized precipitation area (314), and second pressurized precipitation area (314) bottom connects It is connected to the second pressurised exhaust pipe (315) and the second pressurised exhaust pipe (315) extends forced feed tank (304) outside.
5. the pressurizer mechanism according to claim 1 for sewage pressure floatation air, it is characterised in that described pressurization First spiral board being inclined to set (316) is fixed with the inwall of tank (303), the first spiral board (316) is positioned at pressurization The top of feed pipe (305) and the outer wall of the spiral board of outlet face first (316) of forced feed pipe (305).
6. the pressurizer mechanism according to claim 5 for sewage pressure floatation air, it is characterised in that described pressurization The inwall of head tank (304) is fixed with second spiral board being inclined to set (317), and forced feed tank is also set on (304) There is forced feed mouth (318), the second spiral board (317) is located above forced feed mouth (318) and forced feed mouth (318) face Second spiral board (317).
7. the pressurizer mechanism according to claim 6 for sewage pressure floatation air, it is characterised in that described first Spiral board (316) and the second spiral board (317) are in inverted round stage taper.
8. the pressurizer mechanism according to claim 6 for sewage pressure floatation air, it is characterised in that described first Spiral board (316) and the second spiral board (317) the helically downward spiral shape in direction.
9. the pressurizer mechanism according to claim 4 for sewage pressure floatation air, it is characterised in that described first The axial line of pressurised exhaust pipe (313) and the second pressurised exhaust pipe (315) is parallel to each other.
10. the pressurizer mechanism according to claim 2 for sewage pressure floatation air, it is characterised in that described adds Flotation tank mechanism (301), upper and lower surface and the side that venthole (311) gathers in exhaust disk (307) are connected with the top of pressure tank (303) On wall.
CN201711042320.3A 2017-10-31 2017-10-31 Pressurizer mechanism for sewage pressure floatation air Pending CN107879410A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711042320.3A CN107879410A (en) 2017-10-31 2017-10-31 Pressurizer mechanism for sewage pressure floatation air

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711042320.3A CN107879410A (en) 2017-10-31 2017-10-31 Pressurizer mechanism for sewage pressure floatation air

Publications (1)

Publication Number Publication Date
CN107879410A true CN107879410A (en) 2018-04-06

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Application Number Title Priority Date Filing Date
CN201711042320.3A Pending CN107879410A (en) 2017-10-31 2017-10-31 Pressurizer mechanism for sewage pressure floatation air

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111018165A (en) * 2020-03-10 2020-04-17 广东电网有限责任公司东莞供电局 Electroplating wastewater treatment device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111018165A (en) * 2020-03-10 2020-04-17 广东电网有限责任公司东莞供电局 Electroplating wastewater treatment device

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