CN217173511U

CN217173511U - Novel biological treatment device for aircraft paint removal wastewater

Info

Publication number: CN217173511U
Application number: CN202123116736.XU
Authority: CN
Inventors: 刘小平; 熊园林
Original assignee: Wuhan Xinda Innovation Water Treatment Technology Co ltd
Current assignee: Wuhan Xinda Innovation Water Treatment Technology Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-08-12
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses an aircraft is faded new-type biological treatment device of lacquer waste water relates to the aircraft and is faded lacquer waste water treatment technical field, and traditional aircraft is faded lacquer waste water treatment's mode for activated sludge method and biomembrane method among the solution prior art, and occupation of land space is big, the high problem of capital construction investment. Processing apparatus includes the MBBR pond, the inside in MBBR pond is provided with the suspended material carrier, the internally mounted in MBBR pond has the shunt tubes, and shunt tubes and MBBR pond pass through bolt fixed connection, the aeration pipe is installed to the below of shunt tubes, and aeration pipe and shunt tubes welded connection, the aeration head is installed to the below of shunt tubes, and aeration head and shunt tubes threaded connection.

Description

Novel biological treatment device for aircraft paint removal wastewater

Technical Field

The utility model relates to an aircraft paint removal waste water treatment technical field specifically is an aircraft paint removal waste water new-type biological treatment device.

Background

At present, polishing paint removal and chemical paint removal are mostly adopted in the paint removal method, wherein the chemical paint removal needs to use a paint remover and generate high-concentration paint removal waste water.

The aerobic tank in the conventional process usually adopts the traditional activated sludge method, a biofilm method, the activated sludge method and the biofilm method are the same and belong to the aerobic biological treatment method, wherein the activated sludge method relies on activated sludge flowing in a suspension manner in an aeration tank to decompose organic matters, the biofilm method relies on a microbial film on the surface of a carrier biofilm to purify the organic matters, the activated sludge method has poor adaptability to impact load, sludge expansion is easy to occur, the occupied area of a treated structure is large, the capital investment and the operating cost are high, the management is complex, the activated sludge method generates a large amount of residual sludge, the specific surface area of a biofilm carrier of the biofilm method is small, the volume of a reaction device is limited, the space efficiency is low, the microbial biomass attached to the surface of a solid is difficult to control, the operational flexibility is poor, treated effluent often contains large fallen biofilm films, the occupied space of the two is large, the capital investment is high; therefore, the market urgently needs to develop a novel biological treatment device for aircraft paint removal wastewater to help people solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aircraft is faded new-type biological treatment device of lacquer waste water to solve traditional aircraft that proposes in the above-mentioned background art and fade lacquer waste water treatment's mode and be activated sludge process and biomembrane method, occupation of land space is big, the high problem of capital construction investment.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a new-type biological treatment device of lacquer waste water is lost to aircraft, includes processing apparatus, processing apparatus includes the MBBR pond, the inside in MBBR pond is provided with the suspended material carrier, the internally mounted in MBBR pond has the shunt tubes, and the shunt tubes passes through bolt fixed connection with the MBBR pond, the aeration pipe is installed to the below of shunt tubes, and aeration pipe and shunt tubes welded connection, the top of aeration pipe is provided with the aeration head.

Preferably, processing apparatus includes the pretreatment pond, the internally mounted of pretreatment pond has the interception grid, and the interception grid passes through bolt fixed connection with the pretreatment pond, the inlet tube is installed to one side of pretreatment pond, and the inlet tube passes through bolt fixed connection with the pretreatment pond.

Preferably, processing apparatus's inside is provided with first groove of wearing, and first groove of wearing sets up structure as an organic whole with processing apparatus, processing apparatus includes the equalizing basin, the internally mounted of equalizing basin has first immersible pump, and first immersible pump passes through bolt fixed connection with the equalizing basin, the raceway is installed to the top of first immersible pump, and the raceway passes through flange fixed connection with first immersible pump.

Preferably, a first filter screen and a second filter screen are respectively installed in the processing device, the first filter screen and the second filter screen are fixedly connected with the processing device through fastening screws, a second penetrating groove and a third penetrating groove are respectively arranged in the processing device, and the second penetrating groove and the third penetrating groove are both arranged in an integrated structure with the processing device.

Preferably, the treatment device comprises a sedimentation tank, the inside of the sedimentation tank is respectively provided with an inclined tube filler and a blow-off pipe, and the inclined tube filler and the blow-off pipe are both fixedly connected with the sedimentation tank through bolts.

Preferably, processing apparatus includes the cistern, the internally mounted of cistern has the second immersible pump, and the second immersible pump passes through bolt fixed connection with the cistern, the outlet pipe is installed to the top of second immersible pump, and the outlet pipe passes through flange fixed connection with the second immersible pump.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a setting through the MBBR pond, remove bed biomembrane technology, be abbreviated as MBBR, this technology is thrown the suspension filler in the bioreactor of activated sludge method, be the organic combination of activated sludge method and biomembrane method, because there are the microorganism of two kinds of forms of suspension state and attached state, in the while of exerting two kinds of technologies and being dotted, the shortcoming of two kinds of technologies has been avoided, to high concentration aircraft paint removal waste water, and have the requirement to final play water nitrogen phosphorus, the limited or sewage treatment station in place reforms transform the project, in order to ensure that the final stable water of sewage treatment station is up to standard, adopt MBBR technology to replace traditional activated sludge method or biomembrane method, reach a technology, the characteristics that have two kinds of technologies simultaneously, and adopt the MBBR technology on the basis of synchronous nitrogen and phosphorus removal, can reduce the oxygen deficiency pond, reduce this part capital construction investment.

2. The utility model discloses a setting in pretreatment tank, the internally mounted of pretreatment tank has intercepted the grid, can carry the raw water that advances treatment tank through the interception grid and once filter, and the bulky impurity that takes off among the lacquer waste water with the aircraft filters, avoids the impurity of a large amount of bulks to get into back treatment process one, improves this processing apparatus's treatment effect.

Drawings

FIG. 1 is an overall schematic view of a novel biological treatment device for aircraft paint-removing wastewater of the utility model;

FIG. 2 is a schematic view of the internal structure of the novel biological treatment device for aircraft paint-removing wastewater of the utility model;

fig. 3 is an enlarged schematic view of the suspension material carrier of the present invention.

In the figure: 1. a processing device; 2. a pretreatment tank; 3. a regulating tank; 4. an MBBR pool; 5. a sedimentation tank; 6. a reservoir; 7. a water inlet pipe; 8. a water outlet pipe; 9. intercepting a grating; 10. a first through groove; 11. A first filter screen; 12. a second through groove; 13. a second filter screen; 14. a third through groove; 15. a first submersible pump; 16. a water delivery pipe; 17. a shunt tube; 18. an aeration pipe; 19. an aeration head; 20. a suspension material carrier; 21. filling the inclined tube; 22. a blow-off pipe; 23. a second submersible pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a new-type biological treatment device of aircraft paint removal waste water, includes processing apparatus 1, and processing apparatus 1 includes MBBR pond 4, and the inside in MBBR pond 4 is provided with suspended material carrier 20, and the internally mounted in MBBR pond 4 has shunt tubes 17, and shunt tubes 17 passes through bolt fixed connection with MBBR pond 4, and aeration pipe 18 is installed to shunt tubes 17's below, and aeration pipe 18 and shunt tubes 17 welded connection, aeration pipe 18's top is provided with aeration head 19.

Further, processing apparatus 1 includes pretreatment tank 2, and pretreatment tank 2's internally mounted has interception grid 9, and interception grid 9 passes through bolt fixed connection with pretreatment tank 2, and inlet tube 7 is installed to one side of pretreatment tank 2, and inlet tube 7 passes through bolt fixed connection with pretreatment tank 2, can be filtered the aircraft with the impurity of bulky among the paint removal waste water through the setting of pretreatment tank 2.

Further, processing apparatus 1's inside is provided with first groove 10 of wearing, first groove 10 of wearing sets up structure as an organic whole with processing apparatus 1, processing apparatus 1 includes equalizing basin 3, the internally mounted of equalizing basin 3 has first immersible pump 15, first immersible pump 15 passes through bolt fixed connection with equalizing basin 3, raceway 16 is installed to first immersible pump 15's top, raceway 16 passes through flange fixed connection with first immersible pump 15, raceway 16's delivery port sets up the top in MBBR pond 4, first groove 10 of wearing is used for connecting pretreatment pond 2 and MBBR pond 4.

Further, first filter screen 11 and second filter screen 13 are installed respectively to processing apparatus 1's inside, first filter screen 11 and second filter screen 13 all pass through fastening screw and processing apparatus 1 fixed connection, processing apparatus 1's inside is provided with second wearing groove 12 and third wearing groove 14 respectively, second wearing groove 12 and third wearing groove 14 all set up structure as an organic whole with processing apparatus 1, first filter screen 11 sets up the inside in the MBBR pond, second filter screen 13 sets up the inside at sedimentation tank 5.

Further, processing apparatus 1 includes sedimentation tank 5, and the pipe chute is packed 21 and blow off pipe 22 are installed respectively to sedimentation tank 5's inside, and the pipe chute is packed 21 and blow off pipe 22 and all passes through bolt and sedimentation tank 5 fixed connection, and the second is worn groove 12 and is used for connecting MBBR pond 4 and sedimentation tank 5.

Further, processing apparatus 1 includes cistern 6, and the internally mounted of cistern 6 has second immersible pump 23, and second immersible pump 23 passes through bolt fixed connection with cistern 6, and outlet pipe 8 is installed to the top of second immersible pump 23, and outlet pipe 8 passes through flange fixed connection with second immersible pump 23, and the groove 14 is worn to the third is used for connecting sedimentation tank 5 and cistern 6.

The working principle is as follows: when in use, the aircraft paint removing raw water is conveyed to the interior of the pretreatment tank 2 through the water inlet pipe 7, large-volume impurities in the wastewater are filtered through the interception grating 9, the wastewater filtered by the interception grating 9 enters the interior of the regulating tank 3 through the first through groove 10, the paint removing wastewater is regulated to be neutral through adding alkali, the wastewater regulated to be neutral is conveyed to the interior of the MBBR tank 4 through the first submersible pump 15 and the water pipe 16, at the moment, air flow is conveyed to the aeration pipeline 18 through the shunt pipe 17 and then is sprayed out through the aeration head 19, the wastewater in the MBBR tank 4 is aerated, the suspended biological filler is filled in the suspended material carrier 20, when oxygenation is carried out through aeration, the rising buoyancy of air bubbles pushes the filler and surrounding water to flow, when the air flow passes through the gap between the water flow and the filler, the air flow is blocked by the filler and is divided into small bubbles, in the process, the filler is fully stirred and mixed with the water flow, the air flow is fully divided into fine bubbles, the contact and oxygen transfer efficiency of the biomembrane on the filler and the oxygen is increased, under the anaerobic condition, the water flow and the filler are fully fluidized under the action of the submersible stirrer, so as to achieve the purpose of lowering the price by fully contacting the biomembrane with the treated pollutants, therefore, the defects of traditional fixed filler biofilm process blockage and water distribution inequality are overcome by the fluidized bed biofilm process, wastewater treated by the MBBR 4 enters the sedimentation tank 5 through the second through groove 12, the suspended material carrier 20 is intercepted by the first filter screen 11, the wastewater is subjected to mud-water precipitation separation in the sedimentation tank 5 through the inclined tube filler 21, sludge can be discharged through the discharge pipe 22, clean upper clarified water enters the reservoir 6 through the third through groove 14, and finally the wastewater is discharged out of the treatment device 1 through the second submersible pump 23 and the water outlet pipe 8.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a new-type biological treatment device of aircraft paint removal waste water, includes processing apparatus (1), its characterized in that: the treatment device (1) comprises an MBBR tank (4), a suspended material carrier (20) is arranged in the MBBR tank (4), a shunt pipe (17) is arranged in the MBBR tank (4), the shunt pipe (17) is fixedly connected with the MBBR tank (4) through bolts, an aeration pipeline (18) is arranged below the shunt pipe (17), the aeration pipeline (18) is welded with the shunt pipe (17), an aeration head (19) is arranged above the aeration pipeline (18), the treatment device (1) comprises a pretreatment tank (2), an interception grid (9) is arranged in the pretreatment tank (2), the interception grid (9) is fixedly connected with the pretreatment tank (2) through bolts, an inlet pipe (7) is arranged on one side of the pretreatment tank (2), and the inlet pipe (7) is fixedly connected with the pretreatment tank (2) through bolts, the treatment device (1) comprises a sedimentation tank (5), an inclined tube filler (21) and a drain pipe (22) are respectively installed in the sedimentation tank (5), and the inclined tube filler (21) and the drain pipe (22) are fixedly connected with the sedimentation tank (5) through bolts.

2. The novel biological treatment device for aircraft paint removal wastewater as claimed in claim 1, characterized in that: the utility model discloses a processing apparatus, including processing apparatus (1), the inside of processing apparatus (1) is provided with first groove (10) of wearing, and first groove (10) of wearing sets up structure as an organic whole with processing apparatus (1), processing apparatus (1) includes equalizing basin (3), the internally mounted of equalizing basin (3) has first immersible pump (15), and first immersible pump (15) pass through bolt fixed connection with equalizing basin (3), raceway (16) are installed to the top of first immersible pump (15), and raceway (16) and first immersible pump (15) pass through flange fixed connection.

3. The novel biological treatment device for aircraft paint removal wastewater as claimed in claim 1, characterized in that: first filter screen (11) and second filter screen (13) are installed respectively to the inside of processing apparatus (1), and all pass through fastening screw and processing apparatus (1) fixed connection first filter screen (11) and second filter screen (13), the inside of processing apparatus (1) is provided with second wearing groove (12) and third wearing groove (14) respectively, and second wearing groove (12) and third wearing groove (14) all set up structure as an organic whole with processing apparatus (1).

4. The novel biological treatment device for aircraft paint removal wastewater as claimed in claim 1, characterized in that: processing apparatus (1) includes cistern (6), the internally mounted of cistern (6) has second immersible pump (23), and second immersible pump (23) passes through bolt fixed connection with cistern (6), outlet pipe (8) are installed to the top of second immersible pump (23), and outlet pipe (8) pass through flange fixed connection with second immersible pump (23).