CN113440899A - Dross agitating unit and dross remove device in sewage - Google Patents

Dross agitating unit and dross remove device in sewage Download PDF

Info

Publication number
CN113440899A
CN113440899A CN202110795377.0A CN202110795377A CN113440899A CN 113440899 A CN113440899 A CN 113440899A CN 202110795377 A CN202110795377 A CN 202110795377A CN 113440899 A CN113440899 A CN 113440899A
Authority
CN
China
Prior art keywords
scum
impeller
transmission shaft
sewage
shaft
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
CN202110795377.0A
Other languages
Chinese (zh)
Inventor
王晓
杜辉
田军凤
张敏
商洁
姜红
马子卿
孟凡辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cgn Hongda Environmental Science And Technology Co ltd
Original Assignee
Cgn Hongda Environmental Science And Technology Co ltd
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 Cgn Hongda Environmental Science And Technology Co ltd filed Critical Cgn Hongda Environmental Science And Technology Co ltd
Priority to CN202110795377.0A priority Critical patent/CN113440899A/en
Publication of CN113440899A publication Critical patent/CN113440899A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24Feed or discharge mechanisms for settling tanks
    • B01D21/2433Discharge mechanisms for floating particles

Abstract

The invention belongs to the technical field of sewage treatment, and particularly relates to a scum stirring device and a scum removing device in sewage, wherein the scum removing device in sewage comprises an oil collecting pipe and a scum stirring device; the oil collecting pipe comprises a pipe body and a weir crest; the scum stirring device comprises a transmission shaft, an impeller and a motor I, wherein the impeller is positioned in a scum layer of sewage, and the transmission shaft can drive the impeller to rotate to stir the scum layer when rotating; compared with the prior art, the invention has the advantages and positive effects that: (1) a scum stirring device is arranged, so that agglomerated scum is broken by a mechanical method, and mud residue is pushed into an oil collecting pipe; (2) the spiral conveyor is arranged in the oil collecting pipe, so that the problems that floating slag is poor in fluidity and cannot be cleaned in time are solved, automatic slag discharging can be realized, and the problem of manual slag cleaning is avoided; (3) the scum removing device in sewage utilizes the scum stirring device and the oil collecting pipe to remove scum in a matching way, thereby solving the problem that the scum in the sewage is difficult to treat through the oil collecting pipe.

Description

Dross agitating unit and dross remove device in sewage
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a scum stirring device and a scum removing device in sewage.
Background
In the sewage treatment by using the oil collecting pipe, floating oil is discharged by using the oil collecting pipe, and most of the oil collecting pipes have extremely poor operation effect on the aspect of collecting and removing oil residues, so that the function can not be basically realized. If a small amount of scum with good fluidity enters the oil collecting pipe together with floating oil, but if a large amount of scum exists, the scum is difficult to enter the oil collecting pipe under the condition of poor fluidity, and the scum is accumulated. The oil residue is attached to and blocks the weir crest of the oil collecting pipe after being agglomerated, and the subsequent oil residue is difficult to enter the oil collecting pipe. The more the oil residue is accumulated at the weir crest, the discomfort of vision and taste is caused, and the problems of high working strength and high danger exist if the oil residue is manually cleaned. The difficulty and danger of cleaning is further increased if the water treatment unit has a deodorizing gas-collecting hood.
Disclosure of Invention
The invention provides a scum stirring device and a scum removing device in sewage, aiming at the problem that the effect of removing oil scum by an oil collecting pipe is extremely poor in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: a scum stirring device comprises a transmission shaft, an impeller and a first motor, wherein one end of the transmission shaft in the length direction is in driving connection with the first motor; the impeller is positioned in a scum layer of the sewage, and the transmission shaft can drive the impeller to rotate to stir the scum layer when rotating.
Preferably, the impeller is a horizontal agitation impeller; the scum stirring device also comprises a transmission shaft sleeve, and the transmission shaft sleeve is sleeved outside the transmission shaft; the transmission shaft sleeve is fixedly provided with a plurality of box bodies, each box body comprises a power transmission structure, and the impeller is in power transmission connection with the rotating shaft through the power transmission structure;
the two ends of the transmission shaft in the length direction are arranged in bearing seats, and the bearing seats are arranged outside the sewage tank; and two ends of the transmission shaft sleeve in the length direction are fixedly connected with a bearing seat of the transmission shaft.
Preferably, the dross stirring apparatus further comprises an impeller shaft; the power transmission structure in the box body comprises a driving gear and a driven gear, the driving gear is arranged on the transmission shaft, the driven gear is arranged on the impeller shaft, and the driven gear is meshed with the driving gear; the impeller shaft is vertical and is far away from driven gear one end and installs the impeller.
Preferably, the driving gear and the driven gear are both bevel gears; a hole capable of allowing an impeller shaft to pass through is formed in a bottom plate of the box body, a first bearing seat and a second bearing seat are respectively installed on the upper portion and the lower portion of the bottom plate of the box body, and the impeller shaft is installed in the first bearing seat and the second bearing seat.
Preferably, the driving gear and the driven gear are both helical gears; a hole capable of allowing an impeller shaft to pass through is formed in a bottom plate of the box body, a first bearing seat and a second bearing seat are respectively installed on the upper portion and the lower portion of the box body, and the impeller shaft is installed in the first bearing seat and the second bearing seat.
Preferably, the impeller comprises a plurality of vertical blades.
Preferably, the impeller comprises a bottom blade and an upper blade, the bottom blade is horizontal, and the upper blade is petal-shaped.
The scum removing device in sewage based on the scum stirring device comprises an oil collecting pipe and the scum stirring device, wherein the oil collecting pipe comprises a pipe body, a weir notch formed in the pipe body and a spiral conveyor arranged in the pipe body, and the spiral conveyor is driven by a second motor;
the pipe body is parallel to the drive shaft and spaced a predetermined distance from the drive shaft, and the weir is in the scum layer and is for receiving the stirred scum.
Preferably, an oil collecting pipe is arranged on one side of each scum stirring device in the direction perpendicular to the transmission shaft; a scum collecting tank is arranged at the outlet end of the spiral conveyor; the weir is directed toward the impeller of the dross-agitating apparatus.
Preferably, the device for removing scum from sewage further comprises a height adjusting device, wherein the height adjusting device comprises a plurality of hydraulic cylinders, and the movable ends of the plurality of hydraulic cylinders are respectively fixedly or detachably connected with the bearing seats at the two ends of the transmission shaft and the two ends of the oil collecting pipe in the length direction.
Compared with the prior art, the invention has the advantages and positive effects that: (1) a scum stirring device is arranged, so that agglomerated scum is broken by a mechanical method, and mud residue is pushed into an oil collecting pipe;
(2) the spiral conveyor is arranged in the oil collecting pipe, so that the problems that floating slag is poor in fluidity and cannot be cleaned in time are solved, automatic slag discharging can be realized, and the problem of manual slag cleaning is avoided;
(3) the scum removing device in sewage utilizes the scum stirring device and the oil collecting pipe to be matched with each other to remove the scum in the sewage, thereby solving the problem that the scum in the sewage is difficult to be treated by the oil collecting pipe.
Drawings
To more clearly illustrate the technical solution of the embodiment of the present invention, the drawings used in the description of the embodiment will be briefly introduced below, fig. 1 is a perspective view of a first apparatus for removing scum from sewage according to the first embodiment,
figure 2 is a second perspective view of the apparatus for removing scum from sewage according to the second embodiment,
figure 3 is a top view of the scum removing apparatus in sewage according to the second embodiment,
fig. 4 is a schematic view of a scum stirring apparatus in a scum removing apparatus in sewage according to an embodiment,
fig. 5 is a schematic view of a scum stirring apparatus in the scum removing apparatus in sewage according to the second embodiment,
FIG. 6 is a schematic view of a sleeve of a drive shaft of the apparatus for removing scum from sewage according to the second and third embodiments,
figure 7 is a schematic diagram of a driving gear and a driven gear which are both helical gears in the fourth embodiment,
FIG. 8 is a schematic view of an oil collecting pipe in the scum removing apparatus in sewage,
FIG. 9 is a schematic view of an impeller, an impeller shaft and a tank bottom plate in the second embodiment,
FIG. 10 is a schematic view of an impeller according to a second embodiment,
FIG. 11 is a schematic view of an impeller, an impeller shaft and a tank bottom plate in the third embodiment,
FIG. 12 is a schematic view of an impeller according to a third embodiment.
Description of the drawings: 1-scum stirring device, 11-transmission shaft, 12-box, 121-driving gear, 122-driven gear, 13-impeller, 131-vertical blade, 132-upper blade, 133-bottom blade, 14-transmission shaft sleeve, 15-impeller shaft, 16-bearing seat II, 17-bearing seat I;
2-oil collecting pipe, 21-pipe body, 22-screw conveyor, 23-weir crest.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
Example 1
A scum stirring device and a scum removing device in sewage will be described in detail with reference to fig. 1 to 12, and a scum stirring device, as shown in fig. 1 and 4, the scum stirring device 1 includes a transmission shaft 11, an impeller 13 and a first motor, one end of the transmission shaft 11 in the length direction is in driving connection with the first motor (one output end of the motor is connected with an input end of a speed reducer through a coupling, and an output end of the speed reducer is connected with the transmission shaft 11); the impeller 13 is located in a scum layer of sewage, and the drive shaft 11 rotates to rotate the impeller 13 to agitate the scum layer.
Both ends of the transmission shaft 11 in the length direction are arranged in bearing seats, and the bearing seats are arranged outside the sewage tank.
As shown in fig. 1 and 4, the impeller 13 in this embodiment is a longitudinal agitating impeller, and the impeller 13 is key-connected to the drive shaft 11.
A scum removing device in sewage based on a scum stirring device comprises an oil collecting pipe 2 and a scum stirring device 1; as shown in fig. 8, the oil collecting pipe 2 includes a pipe body 21, a weir 23 opened in the pipe body 21, and a screw conveyor 22 installed in the pipe body 21, and the screw conveyor 22 is driven by a second motor.
The tube 21 is parallel to the drive shaft 11 and spaced a predetermined distance from the drive shaft 11 and the weir 23 is in the scum layer and is adapted to receive the stirred scum.
An oil collecting pipe 2 is arranged on one side of each scum stirring device 1 in the direction vertical to the transmission shaft 11; a scum collecting tank is arranged at the outlet end of the screw conveyor 22; the weir 23 faces the impeller 13 of the dross-agitating apparatus 1.
The scum removing device in the sewage further comprises a height adjusting device, the height adjusting device comprises a plurality of hydraulic cylinders, and the movable ends of the plurality of hydraulic cylinders are respectively fixedly or detachably connected with the bearing seats at the two ends of the transmission shaft 11 and the two ends of the oil collecting pipe 2 in the length direction.
The outer wall of the sewage pool is provided with a groove at the intersection of the transmission shaft 11 and the two ends of the oil collecting pipe 2 for the height adjustment of the transmission shaft 11 and the oil collecting pipe 2, and sealing materials such as sand bags are filled between the lower end of the transmission shaft 11 or the oil collecting pipe 2 and the bottom of the groove. The device for removing the scum in the sewage can adapt to the height change of the liquid level and the scum layer in the sewage pool through the height adjusting device.
Example 2
The difference between this example and example 1 is: as shown in fig. 5, the scum stirring apparatus 1 comprises a transmission shaft 11, an impeller 13 and a first motor, wherein one end of the transmission shaft 11 in the length direction is in driving connection with the first motor (one output end of the first motor is connected with the input end of a speed reducer through a shaft coupling, and the output end of the speed reducer is connected with the transmission shaft 11); the impeller 13 is positioned in the scum layer of the sewage, and the transmission shaft 11 can drive the impeller 13 to rotate to stir the scum layer when rotating.
As shown in fig. 9 and 10, the impeller 13 is a horizontal agitating impeller; impeller 13 includes bottom blades 133 and upper blades 132, with bottom blades 133 being horizontal and upper blades 132 being petaloid.
As shown in fig. 5 and 6, the transmission shaft sleeve 14 is sleeved outside the transmission shaft 11; fixed a plurality of boxes 12 that are equipped with on the transmission shaft sleeve pipe 11, including power transmission structure in the box 12, impeller 13 passes through power transmission structure and 11 power transmission connections of axis of rotation, can drive impeller 13 when transmission shaft 11 rotates and rotate in order to be used for mixxing the scum layer.
Two ends of the transmission shaft 11 in the length direction are arranged in bearing seats, and the bearing seats are arranged outside the sewage tank; two ends of the transmission shaft sleeve 14 in the length direction are fixedly connected with the bearing seats of the transmission shaft 11.
As shown in fig. 9, the dross stirring apparatus 1 further comprises an impeller shaft 15; the power transmission structure in the box 12 comprises a driving gear 121 and a driven gear 122, the driving gear 121 is installed on the transmission shaft 11, the driven gear 122 is installed on the impeller shaft 15, and the driven gear 122 is engaged with the driving gear 121; the impeller shaft 15 is vertical and is provided with an impeller 13 at one end far away from the driven gear 122.
As shown in fig. 2, 3 and 5, the driving gear 121 and the driven gear 122 are both bevel gears.
As shown in fig. 9, a hole for allowing the impeller shaft 15 to pass through is formed in a bottom plate of the case 12, a first bearing seat 17 and a second bearing seat 16 are respectively installed on the upper and lower sides of the bottom plate of the case 12, and the impeller shaft 15 is installed in the first bearing seat 17 and the second bearing seat 16.
As shown in fig. 2 and 3, an oil collecting pipe 2 is provided on one side of each dross stirring apparatus 1 in a direction perpendicular to the drive shaft 11; a scum collecting tank is arranged at the outlet end of the screw conveyor 22; the weir 23 faces the impeller 13 of the dross-agitating apparatus 1.
Example 3:
the difference between this example and example 2 is: as shown in fig. 11 and 12, a hole for allowing the impeller shaft 15 to pass through is formed in a bottom plate of the case 12, a first bearing seat 17 and a second bearing seat 16 are respectively installed on the top and bottom of the bottom plate of the case 12, and the impeller shaft 15 is installed in the first bearing seat 17 and the second bearing seat 16.
As shown in fig. 12, the impeller 13 is also a horizontal agitating impeller, and the impeller 13 includes a plurality of vertical blades 131.
Example 4:
the difference between this example and example 3 is: as shown in fig. 7, the driving gear 121 and the driven gear 122 are both helical gears.
A hole for allowing the impeller shaft 15 to pass through is formed in a bottom plate of the box body 12, a first bearing seat 17 and a second bearing seat 16 are respectively installed on the upper portion and the lower portion of the box body 12, and the impeller shaft 15 is installed in the first bearing seat 17 and the second bearing seat 16.
A method for removing scum in sewage based on a scum removing device in sewage comprises the following steps:
step one, a motor runs to drive a transmission shaft 11 to rotate; the impeller 13 is in transmission connection with the transmission shaft 11, so that the impeller 13 rotates to horizontally or vertically stir the scum layer of the sewage;
step two, under the horizontal stirring of the impeller 13, scum is prevented from caking, and the scum is enabled to move to a weir port 23 of the oil collecting pipe 2;
step three, starting a motor II, and operating the screw conveyor 22; the spiral conveyor 22 conveys the scum entering the weir 23 of the oil collecting pipe 2 to a scum collecting pool at the end part for further treatment.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may apply the above-mentioned technical details to other fields by using the equivalent embodiments with equivalent changes or modifications, but any simple modification and equivalent changes made to the above embodiments according to the technical spirit of the present invention may still fall within the protection scope of the technical solution of the present invention.

Claims (10)

1. The scum stirring device is characterized in that the scum stirring device (1) comprises a transmission shaft (11), an impeller (13) and a motor I, wherein one end of the transmission shaft (11) in the length direction is in driving connection with the motor I; the impeller (13) is positioned in a scum layer of the sewage, and the transmission shaft (11) can drive the impeller (13) to rotate to stir the scum layer when rotating.
2. The dross stirring apparatus of claim 1, wherein the impeller (13) is a horizontal stirring impeller;
the scum stirring device also comprises a transmission shaft sleeve (14), and the transmission shaft sleeve (14) is sleeved outside the transmission shaft (11); a plurality of box bodies (12) are fixedly arranged on the transmission shaft sleeve (11), a power transmission structure is arranged in each box body (12), and the impeller (13) is in power transmission connection with the rotating shaft (11) through the power transmission structure;
the two ends of the transmission shaft (11) in the length direction are arranged in bearing seats, and the bearing seats are arranged outside the sewage pool; and two ends of the transmission shaft sleeve (14) in the length direction are fixedly connected with a bearing seat of the transmission shaft (11).
3. The dross agitation apparatus of claim 2, wherein the dross agitation apparatus (1) further comprises an impeller shaft (15);
the power transmission structure in the box body (12) comprises a driving gear (121) and a driven gear (122), the driving gear (121) is installed on the transmission shaft (11), the driven gear (122) is installed on the impeller shaft (15), and the driven gear (122) is meshed with the driving gear (121);
the impeller shaft (15) is vertical and is far away from one end of the driven gear (122) to be provided with the impeller (13).
4. The dross stirring apparatus of claim 3, wherein the drive gear (121) and the driven gear (122) are both bevel gears;
a hole capable of allowing an impeller shaft (15) to pass through is formed in a bottom plate of the box body (12), a first bearing seat (17) and a second bearing seat (16) are respectively installed on the upper portion and the lower portion of the bottom plate of the box body (12), and the impeller shaft (15) is installed in the first bearing seat (17) and the second bearing seat (16).
5. The dross stirring apparatus of claim 3, wherein the drive gear (121) and the driven gear (122) are helical gears;
a hole capable of allowing an impeller shaft (15) to pass through is formed in a bottom plate of the box body (12), a first bearing seat (17) and a second bearing seat (16) are respectively installed on the upper portion and the lower portion of the box body (12), and the impeller shaft (15) is installed in the first bearing seat (17) and the second bearing seat (16).
6. The dross stirring apparatus of any of claims 2-5, wherein the impeller (13) comprises a plurality of vertical blades (131).
7. The dross stirring apparatus of any one of claims 2 to 5, wherein the impeller (13) comprises a bottom blade (133) and an upper blade (132), the bottom blade (133) being horizontal and the upper blade (132) being petal-shaped.
8. A scum removal apparatus for sewage based on the scum stirring apparatus as defined in any one of claims 1 to 5, which comprises an oil collecting pipe (2) and the scum stirring apparatus (1), wherein the oil collecting pipe (2) comprises a pipe body (21), a weir (23) provided on the pipe body (21), and a screw conveyor (22) installed in the pipe body (21), and the screw conveyor (22) is driven by a second motor;
the tube (21) is parallel to the drive shaft (11) and spaced a predetermined distance from the drive shaft (11), and the weir (23) is in a scum layer and is for receiving the stirred scum.
9. The scum removal apparatus as claimed in claim 8, wherein an oil collecting pipe (2) is provided on one side of each scum stirring apparatus (1) in a direction perpendicular to the driving shaft (11); a scum collecting tank is arranged at the outlet end of the spiral conveyor (22); the weir (23) faces the impeller (13) of the dross-agitating apparatus (1).
10. The scum removing device in sewage according to claim 8, further comprising a height adjusting device, wherein the height adjusting device comprises a plurality of hydraulic cylinders, and the movable ends of the plurality of hydraulic cylinders are respectively fixedly or detachably connected with the bearing seats at the two ends of the transmission shaft (11) and the two ends of the oil collecting pipe (2) in the length direction.
CN202110795377.0A 2021-07-14 2021-07-14 Dross agitating unit and dross remove device in sewage Pending CN113440899A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110795377.0A CN113440899A (en) 2021-07-14 2021-07-14 Dross agitating unit and dross remove device in sewage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110795377.0A CN113440899A (en) 2021-07-14 2021-07-14 Dross agitating unit and dross remove device in sewage

Publications (1)

Publication Number Publication Date
CN113440899A true CN113440899A (en) 2021-09-28

Family

ID=77816131

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110795377.0A Pending CN113440899A (en) 2021-07-14 2021-07-14 Dross agitating unit and dross remove device in sewage

Country Status (1)

Country Link
CN (1) CN113440899A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115321734A (en) * 2022-08-22 2022-11-11 吉安创成环保科技有限责任公司 High COD height contains difficult biochemical effluent's of salt processing system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2675648Y (en) * 2003-12-12 2005-02-02 青岛市团岛污水处理厂 Floating slag collecting device for sewage treatment
CN203768360U (en) * 2014-03-28 2014-08-13 西北农林科技大学 Manual stirring type shell breaking device of methane tank
CN203990472U (en) * 2014-07-16 2014-12-10 浙江江山三友电子有限公司 The fluorescent material rabbling mechanism that row's formula distributes
CN108643146A (en) * 2018-04-04 2018-10-12 广州赛特环保工程有限公司 A kind of collection device of oil slick dross
KR101964828B1 (en) * 2018-08-23 2019-04-02 이에스피 주식회사 Water treatment apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2675648Y (en) * 2003-12-12 2005-02-02 青岛市团岛污水处理厂 Floating slag collecting device for sewage treatment
CN203768360U (en) * 2014-03-28 2014-08-13 西北农林科技大学 Manual stirring type shell breaking device of methane tank
CN203990472U (en) * 2014-07-16 2014-12-10 浙江江山三友电子有限公司 The fluorescent material rabbling mechanism that row's formula distributes
CN108643146A (en) * 2018-04-04 2018-10-12 广州赛特环保工程有限公司 A kind of collection device of oil slick dross
KR101964828B1 (en) * 2018-08-23 2019-04-02 이에스피 주식회사 Water treatment apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115321734A (en) * 2022-08-22 2022-11-11 吉安创成环保科技有限责任公司 High COD height contains difficult biochemical effluent's of salt processing system
CN115321734B (en) * 2022-08-22 2023-06-06 吉安创成环保科技有限责任公司 High COD high-salt-content difficult biochemical wastewater treatment system

Similar Documents

Publication Publication Date Title
CN107309205A (en) A kind of jet washup equipment of drum-type rubble screening
CN109574458A (en) A kind of processing method and processing device of oily sludge
CN113402066B (en) Integrated form floating oil processing apparatus
CN207192895U (en) A kind of vertical-flow reaction settler
CN113440899A (en) Dross agitating unit and dross remove device in sewage
CN209555035U (en) A kind of processing unit of oily sludge
CN214936933U (en) Novel sludge thickening tank
CN208265986U (en) A kind of oil field oil sludge harmless treatment device
CN209612818U (en) A kind of oilfield sewage flocculant efficient uniform speed adding set
CN218262044U (en) Cavitation air flotation equipment
CN216549772U (en) Sewage treatment tank convenient to maintain
CN215288282U (en) Industrial wastewater high-efficiency treatment device
CN113149291B (en) Multifunctional sludge discharge device for sewage treatment
CN210065369U (en) Dissolved air flotation and precipitation integrated machine
CN112062336A (en) Desulfurization waste water zero release processing system
CN216513204U (en) Integrated air floatation equipment
CN106145292A (en) A kind of flocculation reactor for sewage disposal
CN111632946A (en) Efficient water-saving automatic coal washing equipment
CN217535561U (en) Flocculation precipitation device for sewage treatment
CN220827248U (en) Phosphorus-containing and heavy metal sewage treatment equipment
CN111533200A (en) Air flotation machine with strong suspended matter removing capability
CN219117185U (en) Air-float sewage treatment device
CN220758906U (en) Dirty oil sludge cleaning treatment equipment
CN114195295B (en) Oily wastewater treatment device of coking emptying tower
CN216825245U (en) Waste mineral oil flocculation settling equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20210928

RJ01 Rejection of invention patent application after publication