CN211255642U - A modular combined laboratory wastewater treatment equipment - Google Patents

Abstract

The utility model relates to a wastewater treatment equipment, in particular to a modular combined laboratory wastewater treatment equipment, which comprises an iron aeration device, a photocatalytic oxidation reaction device, an air flotation device, a sedimentation device and a special-purpose heavy metal device, which are connected in sequence. Capture and removal device, flat membrane high-efficiency composite bacteria reactor and ultraviolet spiral tube digestion device. The iron aeration device is provided with a water inlet above the iron aeration device, an iron-carbon filler is arranged inside, and a first aeration device is arranged at the bottom. The iron aeration device is also provided with a PH adjustment device and a liquid level gauge. The plate membrane high-efficiency compound bacteria reactor is equipped with a high-efficiency compound bacteria tank and a flat-plate membrane tank. The ultraviolet spiral tube digestion device is connected to the water outlet. The modular combined water treatment method enables the comprehensive wastewater to be discharged up to the standard after multi-stage purification, which can effectively remove pollutants in the water and improve the efficiency of wastewater purification.

Description

A modular combined laboratory wastewater treatment equipment

technical field

The utility model relates to the field of wastewater treatment, in particular to a modular combined laboratory wastewater treatment equipment.

Background technique

With the rapid development of science and technology in my country, the demand for laboratories is increasing. At the same time, the problem of laboratory pollution has become increasingly prominent, especially the random discharge of laboratory heavy metal wastewater. Heavy metals have certain toxicity. After being discharged into soil and water, they cannot be degraded by microorganisms, which endangers the ecological environment of soil and water. It enters the body of animals and plants through air, water, soil, etc., and enters the human body through food chain amplification and enrichment, which damages human health. Different wastewaters have different treatment methods and degrees due to different pollutant compositions. If a single mode is directly used for processing, it is difficult to achieve the ideal processing effect. At present, some laboratory wastewater treatment equipment, the treatment efficiency is not high, the labor intensity is high, and the treatment effect is not ideal.

SUMMARY OF THE INVENTION

The utility model discloses a modular combined laboratory wastewater treatment device. The modular combined treatment method enables comprehensive wastewater to be discharged up to the standard after being purified in multiple stages, and can also effectively remove pollutants in the water and improve the wastewater purification efficiency.

The utility model relates to a modular combined laboratory wastewater treatment equipment, which comprises an iron aeration device, a photocatalytic oxidation reaction device, an air flotation device, a sedimentation device, a special capture and removal device for heavy metals, and a flat film high-efficiency composite bacteria, which are connected in sequence. Reactor and UV spiral tube digestion unit.

The iron aeration device is provided with a water inlet at the top, iron-carbon fillers inside, and a first aeration device at the bottom. The iron aeration device is also provided with a PH adjustment device and a liquid level gauge.

The photocatalytic oxidation reaction device includes a plurality of ultraviolet lamp posts, each of which is provided with a transparent cover, and also includes a semiconductor photocatalyst and a second aeration device located at the bottom of the photocatalytic oxidation reaction device.

A first lift pump is arranged between the air flotation device and the sedimentation device.

The bottom wall of the sedimentation device is connected to a sludge pipe, a sludge pump is provided on the sludge pipe, and a valve is provided between the sludge pump and the sedimentation device on the sludge pipe.

A second lift pump is arranged between the precipitation device and the heavy metal special capture and removal device.

The high-efficiency composite bacteria reactor of the flat membrane is provided with a high-efficiency composite bacteria pool and a flat-plate membrane pool, and the high-efficiency composite bacteria pool is located below the flat-plate membrane pool. The high-efficiency compound bacterial pond is provided with a composite bacterial filler, the flat membrane pond is provided with a flat membrane assembly, the bottom of the high-efficiency composite bacterial pond is provided with a third aeration device, and the bottom of the flat membrane pond is provided with a fourth aeration device. Aeration device. The high-efficiency compound bacteria pool is connected to a micro-addition control device with an early-warning function located outside the flat-plate membrane high-efficiency compound bacteria reactor, and is used for quantitatively putting micro-compound bacteria into the compound bacteria pool.

The ultraviolet spiral tube digestion device includes a spiral quartz tube and an ultraviolet lamp, one end of the spiral quartz tube is connected to the flat membrane tank, and the other end of the spiral quartz tube is connected to a water outlet.

Preferably, a horizontal filler fixing plate is fixed on the upper part of the iron aeration device, the filler fixing plate is closely attached to the inner wall of the iron aeration device, and the iron carbon filler is filled in several mesh-shaped The stuffing box is made of parallel plate-shaped stuffing box, and the stuffing box is vertically fixed on the stuffing fixing plate.

Preferably, the iron aeration device is provided with an aeration controller connected to the first aeration device.

Preferably, the semiconductor photocatalyst is arranged on a plurality of catalyst plates, the left and right width of the catalyst plate is smaller than the left and right width of the inner wall of the photocatalytic oxidation reaction device, and a plurality of the photocatalyst plates are arranged horizontally and alternately fixed from top to bottom. on the left inner wall and the right inner wall of the photocatalytic oxidation reaction device. The left and right widths of the inner wall of the photocatalytic oxidation reaction device are larger than the length of the transparent cover, and a plurality of the ultraviolet lamp posts together with the transparent cover are horizontally arranged between two adjacent photocatalyst plates and alternate from top to bottom It is fixed on the left inner wall and the right inner wall of the photocatalytic oxidation reaction device.

Preferably, the bottom wall of the sedimentation device is a funnel-shaped bottom wall, and the sludge pipe is arranged below the funnel-shaped bottom wall.

The beneficial effects of the utility model are as follows: the modular combined water treatment method can make the comprehensive waste water discharged up to the standard after multi-stage purification, can effectively remove the pollutants in the water, and improve the purification efficiency of the waste water; It can break the complex, reduce the chromaticity and COD content of the wastewater, improve the light transmittance of the wastewater, and at the same time, it can also effectively absorb and condense the pollutants in the water; the arrangement of parallel plate-shaped packing boxes is convenient for wastewater and iron-carbon fillers. The flocs formed by the micro-electrolysis reaction fall easily from the stuffing boxes; the photocatalytic oxidation reaction device further purifies the wastewater, and the alternately arranged UV lamp posts and catalyst plates from top to bottom greatly enhance the catalytic efficiency of wastewater The micro-addition control device with early warning function can monitor the distribution of compound bacteria in the high-efficiency compound bacteria pool and then quantitatively put micro-compound bacteria into the high-efficiency compound bacteria pool to ensure the efficient progress of the decomposition reaction.

Description of drawings

The present utility model will be further described below in conjunction with the accompanying drawings. These accompanying drawings are simplified schematic diagrams, and only illustrate the basic structure of the present utility model in a schematic way, and do not constitute an improper limitation to the present invention:

Fig. 1 is the structural representation of a kind of modular combined laboratory wastewater treatment equipment of the present invention;

Fig. 2 is a partial enlarged view of part A in Fig. 1;

In the figure 1, iron aeration device, 11, water inlet, 12, packing fixing plate, 13, stuffing box, 14, iron carbon packing, 15, first aeration device, 16, aeration controller, 17, PH adjustment Device, 18, Liquid level gauge, 2, Photocatalytic oxidation reaction device, 21, UV lamp post, 22, Transparent cover, 23, Catalyst plate, 24, Second aeration device, 3, Air flotation device, 31, First Lift pump, 4, sedimentation device, 41, sludge pipe, 42, valve, 43, mud pump, 44, bottom wall, 45, second lift pump, 5, special capture and removal device for heavy metals, 6, high-efficiency composite plate membrane Bacterial reactor, 61, high-efficiency compound bacteria tank, 611, compound bacteria filler, 612, third aeration device, 62, flat membrane tank, 621, flat membrane module, 622, fourth aeration device, 63, with warning function Micro-addition control device, 7. Ultraviolet spiral tube digestion device, 71, UV lamp, 72, spiral quartz tube, 73, water outlet.

Detailed ways

It should be pointed out that the following detailed descriptions are all exemplary, and are intended to provide further explanation for the present application, and the terms used are only for describing specific embodiments, rather than intended to limit the exemplary embodiments based on the present application.

As shown in Figures 1 and 2, a modular combined laboratory wastewater treatment equipment involved in the present invention includes an iron aeration device 1, a photocatalytic oxidation reaction device 2, an air flotation device 3, and a sedimentation device which are connected in sequence. 4. Special heavy metal capture and removal device 5, flat membrane high-efficiency composite bacteria reactor 6 and ultraviolet spiral tube digestion device 7.

The iron aeration device 1 is provided with a water inlet 11 above, an iron-carbon filler 14 is arranged inside, and a first aeration device 15 is arranged at the bottom for filling oxygen into the iron aeration device 1. The first aeration device 15 is also connected with an aeration controller 16 for controlling the amount of aeration. The iron aeration device 1 is also provided with a pH adjusting device 17 and a liquid level gauge 18 . The upper part of the iron aeration device 1 is fixed with a horizontal filler fixing plate 12, the filler fixing plate 12 is closely attached to the inner wall of the iron aeration device 1, and the iron carbon filler 14 is filled in several Inside the parallel plate-shaped stuffing box 13 made of mesh material, the stuffing box 13 is vertically fixed on the stuffing fixing plate 12 .

The photocatalytic oxidation reaction device 2 includes a plurality of ultraviolet lamp posts 21 , and each of the ultraviolet lamp posts 21 is provided with a transparent cover 22 . It also includes a semiconductor photocatalyst and a second aeration device 24 located at the bottom of the photocatalytic oxidation reaction device. The semiconductor photocatalyst is arranged on a plurality of catalyst plates 23, the left and right width of the catalyst plate 23 is smaller than the left and right width of the inner wall of the photocatalytic oxidation reaction device 2, and a plurality of the photocatalyst plates 23 are arranged horizontally and alternately fixed from top to bottom. On the left inner wall and the right inner wall of the photocatalytic oxidation reaction device 2, the left and right widths of the inner wall of the photocatalytic oxidation reaction device 2 are larger than the length of the transparent cover 22, and a plurality of the ultraviolet lamp posts 21 together with the The transparent cover 22 is horizontally arranged between two adjacent photocatalyst plates 23 and is alternately fixed on the left inner wall and the right inner wall of the photocatalytic oxidation reaction device 2 from top to bottom.

A first lift pump 31 is provided between the air flotation device 3 and the sedimentation device 4 .

The bottom wall 44 of the sedimentation device 4 is connected to the sludge pipe 41 , the bottom wall 44 of the sedimentation device 4 is a funnel-shaped bottom wall, and the sludge pipe 41 is arranged below the funnel-shaped bottom wall. The sludge pipe 41 is provided with a mud pump 43 , and a valve 42 is provided between the mud pump 43 and the sedimentation device 4 on the sludge pipe 41 .

A second lift pump 45 is arranged between the precipitation device 4 and the heavy metal capture and removal device 5 .

The flat membrane high-efficiency compound bacteria reactor 6 is provided with a high-efficiency compound bacteria pool 61 and a flat-plate membrane pool 62, the high-efficiency compound bacteria pool 61 is located below the flat-plate membrane pool 62, and the high-efficiency compound bacteria pool 61 is provided with. The compound bacterial filler 611, the flat membrane cell 62 is provided with a flat membrane assembly 621, the bottom of the high-efficiency compound bacterial cell 61 is provided with a third aeration device 612, and the bottom of the flat membrane cell 62 is provided with a fourth aeration device 612. Gas device 622, the high-efficiency compound bacteria pool 61 is connected to a micro-addition control device 63 with an early warning function located outside the flat-plate membrane high-efficiency compound bacteria reactor 6 for quantitatively injecting micro-compound bacteria into the compound bacteria pool.

The ultraviolet spiral tube digestion device 7 includes a spiral quartz tube 72 and an ultraviolet lamp 71 . One end of the spiral quartz tube 72 is connected to the flat membrane cell 62 , and the other end of the spiral quartz tube 72 is connected to the water outlet 73 .

The embodiment of the present utility model is as follows: the waste water enters the iron aeration device 1 through the water inlet 11, breaks the organic matter, and adsorbs and condenses the pollutants in the water; The reaction device 2 further removes the pollutants in the wastewater; then it enters the air flotation device 3 for air flotation screening, and then enters the precipitation device 4 through the first lift pump 31, and enters the heavy metal special capture and removal device 5 through the second lift pump 45 after precipitation. Remove the heavy metals remaining in the waste water; then enter the flat membrane high-efficiency composite bacteria reactor 6 for decomposition and filtration treatment, and the micro-addition control device 63 with the early warning function can quantitatively put the micro-compound bacteria into the composite bacteria pool; finally through the ultraviolet spiral tube After the digestion device 7 is sterilized and decomposed, it is discharged through the water outlet 73 .

The iron aeration device 1 breaks the network of high-concentration wastewater, reduces the chromaticity and COD content of the wastewater, improves the light transmittance of the wastewater, and at the same time, can effectively absorb and condense the pollutants in the water; the first aeration device 15 The setting can oxygenate the iron aeration device 1 and prevent the iron filings in the iron-carbon packing 14 from being hardened; Drops easily from between the stuffing boxes 13. The photocatalytic oxidation reaction device 2 further purifies the wastewater, and the alternately arranged ultraviolet lamp posts 21 and catalyst plates 23 from top to bottom greatly enhance the catalytic efficiency of the wastewater. The micro-addition control device 63 with an early warning function can monitor the distribution of the compound bacteria in the high-efficiency compound bacteria pool 61 and then quantitatively put the micro-compound bacteria into the high-efficiency compound bacteria pool 61 to ensure the efficient progress of the decomposition reaction. The modular combined water treatment method enables the comprehensive wastewater to be discharged up to the standard after multi-stage purification, which can effectively remove pollutants in the water and improve the efficiency of wastewater purification.

In the description of the present utility model, it should be understood that the terms "left side", "right side" and "left and right" are based on the positional relationship shown in the accompanying drawings, which are only for describing the present utility model and simplifying the description, and should not be understood To limit the utility model.

The above is inspired by the ideal embodiment of the present invention. Through the above description, relevant persons can make various changes and modifications without departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the content in the description, and the technical scope must be determined according to the scope of the claims.

Claims (5)

1. The utility model provides a module combination formula laboratory waste water treatment equipment which characterized in that: comprises an iron aeration device, a photocatalytic oxidation reaction device, an air floatation device, a precipitation device, a special heavy metal capturing and removing device, a flat membrane high-efficiency composite bacteria reactor and an ultraviolet spiral tube digestion device which are connected in sequence,

a water inlet is arranged above the iron aeration device, iron carbon filler is arranged in the iron aeration device, a first aeration device is arranged at the bottom of the iron aeration device, the iron aeration device is also provided with a pH adjusting device and a liquid level meter,

the photocatalytic oxidation reaction device comprises a plurality of ultraviolet lamp posts, a transparent cover is arranged outside each ultraviolet lamp post, a semiconductor photocatalyst and a second aeration device positioned at the bottom of the photocatalytic oxidation reaction device are included,

a first lifting pump is arranged between the air floatation device and the sedimentation device,

the bottom wall of the sedimentation device is connected with a sludge pipe, a sludge pump is arranged on the sludge pipe, a valve is arranged between the sludge pump and the sedimentation device on the sludge pipe,

a second lifting pump is arranged between the sedimentation device and the special heavy metal catching and removing device,

the flat membrane efficient composite bacteria reactor is internally provided with an efficient composite bacteria pool and a flat membrane pool, the efficient composite bacteria pool is positioned below the flat membrane pool, composite bacteria filler is arranged in the efficient composite bacteria pool, a flat membrane component is arranged in the flat membrane pool, the bottom of the efficient composite bacteria pool is provided with a third aeration device, the bottom of the flat membrane pool is provided with a fourth aeration device, the efficient composite bacteria pool is connected with a trace addition control device with an early warning function and positioned outside the flat membrane efficient composite bacteria reactor and is used for quantitatively putting trace composite bacteria into the composite bacteria pool,

the ultraviolet spiral tube digestion device comprises a spiral quartz tube and an ultraviolet lamp, one end of the spiral quartz tube is connected with the flat membrane pool, and the other end of the spiral quartz tube is connected with the water outlet.

2. The modular combined laboratory wastewater treatment plant according to claim 1, characterized in that: the iron aeration device is characterized in that a horizontal filler fixing plate is fixedly arranged at the upper part of the iron aeration device, the filler fixing plate is tightly attached to the inner wall of the iron aeration device, the iron carbon filler is filled in a plurality of parallel plate-shaped filler boxes made of net-shaped materials, and the filler boxes are vertically fixed on the filler fixing plate.

3. The modular combined laboratory wastewater treatment plant according to claim 1, characterized in that: an aeration controller connected with the first aeration device is arranged in the iron aeration device.

4. A modular combined laboratory wastewater treatment plant according to any of claims 1 to 3, characterized in that: the semiconductor photocatalyst is arranged on a plurality of catalyst plates, the left width and the right width of each catalyst plate are smaller than the left width and the right width of the inner wall of the photocatalytic oxidation reaction device, the plurality of photocatalyst plates are horizontally arranged and are alternately fixed on the left inner wall and the right inner wall of the photocatalytic oxidation reaction device from top to bottom, the left width and the right width of the inner wall of the photocatalytic oxidation reaction device are larger than the length of the transparent cover, and the ultraviolet lamp posts and the transparent cover are horizontally arranged between the two adjacent photocatalyst plates and are alternately fixed on the left inner wall and the right inner wall of the photocatalytic oxidation reaction device from top to bottom.

5. A modular combined laboratory wastewater treatment plant according to any of claims 1 to 3, characterized in that: the diapire of sediment device is for leaking hopper-shaped diapire, the sludge pipe sets up the below of leaking hopper-shaped diapire.

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