CN215288436U

CN215288436U - Chemical wastewater upgrading treatment equipment

Info

Publication number: CN215288436U
Application number: CN202121392763.7U
Authority: CN
Inventors: 蒋小民; 陆志鸿; 夏玉霞; 陈玲芳
Original assignee: Hangzhou Hengchang Environmental Protection Technology Co ltd
Current assignee: Hangzhou Hengchang Environmental Protection Technology Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-12-24
Anticipated expiration: 2031-06-22

Abstract

The utility model belongs to the technical field of chemical wastewater treatment equipment, in particular to chemical wastewater upgrading treatment equipment, which comprises a purification device, an air floatation device connected with the purification device, an MBBR box connected with the air floatation device and a filtering device connected with the MBBR purification box, wherein an outlet screen is arranged at the water outlet of the MBBR box, a cleaning device is arranged in the purification box, and the cleaning device scrapes carriers on the surface of the outlet screen; the MBBR case of this equipment sets up cleaning device, prevents the gathering of carrier on the export screen cloth, solves the carrier and blocks up the mesh of export screen cloth, leads to waste water discharge after a period, the very big decline problem of mobility of waste water.

Description

Chemical wastewater upgrading treatment equipment

Technical Field

The utility model belongs to the technical field of chemical wastewater treatment equipment, specifically be a chemical wastewater carries mark treatment facility.

Background

The upgrading and modification of the sewage treatment plant mainly improves the sewage discharge standard, and improves the discharge indexes of COD, ammonia nitrogen, total phosphorus and the like in the sewage. The conventional MBBR technology applies the basic principle of a biofilm method and is a conventional technology for wastewater upgrading.

The process forms suspended growth activated sludge and attached growth biomembrane by adding a certain amount of suspension carriers into the reactor, so that the moving bed biomembrane uses the whole reactor space, gives full play to the superiority of both attached phase and suspended phase organisms, and makes the attached phase and the suspended phase organisms play roles of making best of advantages and avoiding disadvantages and mutually supplementing.

The wastewater upgrading process adopting the MBBR process comprises the following steps: the method comprises the steps of grid sand setting, advection oil separation, homogenization, two-stage suspension, activated sludge, MBBR purification and precipitation. The density of the MBBR carrier is about 0.97-1.03, so that the MBBR carrier has good fluidity in an MBBR pool; an outlet screen is required to be arranged at a wastewater outlet of the MBBR tank to block the carrier, so that the loss of the carrier is avoided.

However, the fluidity of water drives the carriers to flow to the wastewater outlet, so a large amount of carriers adhere to the outlet screen, and the carriers block the meshes of the outlet screen, which causes the fluidity of wastewater to be greatly reduced after the wastewater is discharged for a period of time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chemical industry waste water carries mark treatment facility, the MBBR case of this equipment sets up cleaning device, prevents the gathering of carrier on the export screen cloth, solves the mesh jam that the carrier will export the screen cloth, leads to waste water discharge after a period, the very big problem that descends of mobility of waste water.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a chemical industry waste water carries mark treatment facility, includes purifier, connects purifier's air supporting device, connects the MBBR case of air supporting device and connects the filter equipment of MBBR purifying box, the delivery port of MBBR case is provided with the export screen cloth, be provided with cleaning device in the purifying box, the carrier on the surface of this cleaning device scraping export screen cloth.

Among the above-mentioned technical scheme, scrape the carrier that the export screen cloth shows through cleaning device, push the carrier away the export screen cloth, reduce the gathering of carrier, solve the gathering of carrier and lead to waste water mobility to descend.

Preferably, the cleaning device comprises a flood dragon device, the flood dragon device comprises flood dragon blades, a flood dragon shaft for controlling the flood dragon blades to rotate, and a flood dragon motor for controlling the flood dragon shaft to rotate, the flood dragon motor is arranged outside the MBBR box, and the flood dragon shaft penetrates through the outer wall of the MBBR box, enters the MBBR box and is coaxial with the outlet screen; the flood dragon blades surround the outlet screen; the mode of flood dragon blade scraping export screen cloth has advantages such as simple structure, work high efficiency, be convenient for maintain.

Preferably, a carrier discharging device is arranged in the MBBR box, accumulates the carriers cleaned by the cleaning device, sends the carriers to other positions in the MBBR box, and discharges the carriers to other positions of the MBBR box to realize carrier circulation so that the carriers in the MBBR box are uniformly distributed.

Preferably, the carrier discharging device comprises a collecting chamber with a flood dragon blade far away from one end of a flood dragon shaft, and a conveying device arranged on the collecting chamber, the structure is matched with the flood dragon blade, and the flood dragon blade directly guides the carrier scraped to the outlet screen mesh into the collecting chamber and conveys the carrier through the conveying device.

Preferably, the conveying device comprises a conveying pipe fixedly installed and communicated with the collection chamber, a moving platform arranged on the conveying pipe, a conveying screw rod arranged in the conveying pipe, a conveying piece arranged at the bottom end of the conveying screw rod, and a conveying motor arranged at the top end of the conveying rod and fixedly installed on the side wall of the MBBR box; the mobile station is arranged below the outlet of the conveying pipe, the height of the mobile station is higher than the height of the wastewater liquid level in the MBBR box, the conveying motor controls the conveying screw rod to rotate and drives the conveying piece to move upwards, the carrier is driven to move to the outlet of the conveying pipe from the collecting chamber, and the carrier falls onto the mobile station.

Preferably, the mobile station is arranged obliquely so that the carrier can slide naturally on the mobile station.

Preferably, be provided with a plurality of feed opening on the mobile station, the carrier passes through the feed opening and falls into in the waste water, can realize that the carrier removes to each position in the MBBR case.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic diagram of an external structure of a chemical wastewater upgrading treatment device;

FIG. 2 is a front view of the inner structure of the MBBR tank;

FIG. 3 is a sectional view of the inner structure of the MBBR box;

FIG. 4 is a schematic structural diagram of an MBBR box dredging device;

fig. 5 is an enlarged view of a portion a in fig. 4.

In the figure, an MBBR box 1, a water inlet pipe 2, a water outlet pipe 3, an outlet screen 4, a stirring device 5, a flood dragon guide blade 6, a flood dragon shaft 7, a flood dragon motor 8, a collection chamber 9, a conveying pipe 10, a conveying motor 11, a conveying screw rod 12, a conveying piece 13, a moving platform 14, a feed opening 15, a purifying device 100, an air flotation device 200 and a filtering device 300.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

Fig. 1-5 show an embodiment of the present invention, a chemical wastewater labeling treatment apparatus, which comprises a purification device 100, an air flotation device 200 connected to the purification device 100, an MBBR tank 1 connected to the air flotation device 200, and a filtering device 300 connected to the MBBR tank 1; the process flow of the purification device 1 comprises the steps of grid sand setting, advection oil separation and homogenization adjustment, and the process flow of the air floatation device 200 comprises anaerobic air floatation and aerobic air floatation; the MBBR box 1 process flow comprises activated sludge and MBBR carrier feeding purification; the filtration apparatus 300 process flow includes filtration.

MBBR case 1 is through advancing water piping 2 and connecting air supporting device 200, connects filter equipment 300 through outlet pipe 3, and outlet pipe 3 is provided with export screen 4 in the inside one end of MBBR case and blocks that the carrier flows in outlet pipe 3, is provided with agitating unit 5 in MBBR case 1, can make the carrier evenly diffuse through agitating unit 5.

Be provided with the flood dragon device in MBBR case 1, this flood dragon device includes flood dragon blade 6, control flood dragon blade pivoted flood dragon axle 7 to and the rotatory flood dragon motor 8 of control flood dragon axle 7. The flood dragon motor 8 is arranged outside the MBBR box 1, and the flood dragon shaft 7 penetrates through the outer wall of the MBBR box 1, enters the inside of the MBBR box 1 and is coaxial with the outlet screen 4; flood dragon blade 6 encircles outlet screen 4, and flood dragon motor 8 when rotating, flood dragon blade 6 can scrape the carrier of gathering on outlet screen 4.

The collecting chamber 9 is arranged at one end of the flood dragon blade 6, which is far away from the flood dragon shaft 7, and the carrier is guided into the collecting chamber 9 when the flood dragon blade 6 rotates; a delivery pipe 10 is fixedly arranged above the collection chamber 9, and the delivery pipe 10 is communicated with the collection chamber 9; the conveying pipe 10 is provided with a mobile station 14, the mobile station 14 is arranged below the outlet of the conveying pipe 10, and the height of the mobile station 14 is higher than the liquid level of the wastewater in the MBBR box 1; the side wall of the MBBR box 1 is provided with a conveying motor 11, an output shaft of the conveying motor 11 is connected with a conveying screw rod 12, the conveying screw rod 12 penetrates through the whole conveying pipe 10, a conveying piece 13 is arranged on the conveying screw rod 12, and a screw nut is arranged on the conveying piece 13. The conveyor member 13 is made to move up and down by the rotation of the conveyor motor 11 and carries the carrier from the collection chamber 9 to the outlet of the conveyor pipe 10, where it falls onto the moving table 14.

The mobile station 14 is arranged at an inclination such that the carrier can naturally slide on the mobile station 14. The mobile station 14 is provided with a plurality of feed openings 15, and the carriers fall into the wastewater through the feed openings 15.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.

It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides a chemical industry waste water carries mark treatment facility, includes purifier, connects purifier's air supporting device, connects the MBBR case of air supporting device and connects the filter equipment of MBBR purifying box, the delivery port of MBBR case is provided with export screen cloth, its characterized in that: and a cleaning device is arranged in the purification box and scrapes carriers on the surface of the outlet screen.

2. The chemical wastewater upgrading treatment equipment according to claim 1, characterized in that: the cleaning device comprises a flood dragon device, the flood dragon device comprises flood dragon blades, a flood dragon shaft for controlling the flood dragon blades to rotate and a flood dragon motor for controlling the flood dragon shaft to rotate, the flood dragon motor is arranged outside the MBBR box, and the flood dragon shaft penetrates through the outer wall of the MBBR box, enters the MBBR box and is coaxial with the outlet screen; the flood dragon blade encircles the export screen cloth.

3. The chemical wastewater upgrading treatment equipment according to claim 2, characterized in that: and a carrier discharging device is arranged in the MBBR box, accumulates the carrier cleaned by the cleaning device, and sends the carrier to other positions in the MBBR box.

4. The chemical wastewater upgrading treatment equipment according to claim 3, characterized in that: the carrier discharging device comprises a collecting chamber with a flood dragon blade far away from one end of a flood dragon shaft and a conveying device arranged on the collecting chamber.

5. The chemical wastewater upgrading treatment equipment according to claim 4, characterized in that: the conveying device comprises a conveying pipe fixedly installed and communicated with the collecting chamber, a moving platform arranged on the conveying pipe, a conveying screw rod arranged in the conveying pipe, a conveying piece arranged at the bottom end of the conveying screw rod, and a conveying motor arranged at the top end of the conveying screw rod and fixedly installed on the side wall of the MBBR box; the mobile station is arranged below the outlet of the conveying pipe, the height of the mobile station is higher than the height of the wastewater liquid level in the MBBR box, the conveying motor controls the conveying screw rod to rotate and drives the conveying piece to move upwards, the carrier is driven to move to the outlet of the conveying pipe from the collecting chamber, and the carrier falls onto the mobile station.

6. The chemical wastewater upgrading treatment equipment according to claim 5, characterized in that: the mobile station is arranged obliquely, so that the carrier can naturally slide on the mobile station.

7. The chemical wastewater upgrading treatment equipment according to claim 6, characterized in that: the mobile station is provided with a plurality of feed openings, and the carrier falls into the wastewater through the feed openings.