CN217077320U - Filtering adsorption tower - Google Patents

Abstract

The utility model discloses a filter adsorption tower, which comprises a housin, the left side of casing is connected with waste liquid import and recoil liquid export, is equipped with the screen cloth in the casing, is connected with the vibrator on the screen cloth, and the right side of casing is connected with recoil liquid entry and waste liquid export, and the below of casing is equipped with mud unloading case, is equipped with sludge filtering mechanism in the mud unloading case, and the left side of mud unloading case is connected with mud centralizing box, and mud unloading case's right-hand member is equipped with the waste liquid and derives the case, and sludge filtering mechanism derives the case intercommunication with mud centralizing box and waste liquid respectively. The utility model discloses fully filter sewage and make it reach emission standard.

Description

Filtering adsorption tower

Technical Field

The utility model belongs to the technical field of the filtration equipment technique and specifically relates to a filter adsorption tower is related to.

Background

The alkali-reduction wastewater in the printing and dyeing industry is organic wastewater with less quantity, high concentration, large alkalinity and serious pollution, the water quantity of the wastewater only accounts for 5-10% of the water quantity of the printing and dyeing comprehensive wastewater, but the COD accounts for more than 50% of the total COD. The COD of the alkali weight reduction wastewater is 20000-100000mg/L, the pH value is more than 12, the COD80 percent of the alkali weight reduction wastewater is derived from a terylene hydrolysate TA, the biodegradability of the wastewater is poor, the direct biochemical and physicochemical treatment is difficult, and the alkali weight reduction wastewater is always a difficult point in the treatment of printing and dyeing wastewater. The common method is to fully mix the wastewater with the aerobic system, and adopt a fully aerobic mode to ensure that the wastewater meets the discharge requirement, but the effluent of the aerobic system may have phenomena of higher COD, suspended matters in the effluent and the like, and the problem needs to be solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a filter adsorption tower.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a filter adsorption tower, which comprises a housin, the left side of casing is connected with waste liquid import and recoil liquid export, be equipped with the screen cloth in the casing, be connected with the vibrator on the screen cloth, the right side of casing is connected with recoil liquid entry and waste liquid export, the below of casing is equipped with mud unloading case, be equipped with sludge filtering mechanism in the mud unloading case, the left side of mud unloading case is connected with mud collection box, the right-hand member of mud unloading case is equipped with the waste liquid and derives the case, sludge filtering mechanism derives the case intercommunication with mud collection box and waste liquid respectively.

The screen cloth is arranged on the partition boards, the screen cloth on the two adjacent partition boards is arranged in a vertically staggered mode, the screen cloth above the screen cloth is connected through one linkage rod, the screen cloth below the screen cloth is connected through the other linkage rod, and a vibrator is connected to each linkage rod.

Sludge filtering mechanism includes first fly leaf, filter and bottom plate, and first fly leaf rotates with the mud workbin to be connected, and the below of first fly leaf is located to the bottom plate, and the filter is located the upper portion of bottom plate and is fixed with the bottom plate, has the space between filter and the bottom plate, and the upper portion of bottom plate is derived case lopsidedness to the waste liquid, and the lower part of bottom plate is equipped with the opening that derives the case intercommunication with the waste liquid, and the below of bottom plate is rotated and is connected with two cylinders, and the lower extreme and the mud workbin of cylinder rotate to be connected.

The lower part of the shell is provided with a second movable plate which is rotatably connected with the shell, and the lower end of the shell can be sealed after the second movable plate rotates.

The sludge discharging box is of a conical structure, the inner diameter of the lower end of the sludge discharging box is reduced, and the sludge filtering mechanism is arranged at the lower part of the sludge discharging box.

The vibrator is arranged in the middle of the linkage rod.

The aperture of the screen is reduced from left to right in turn.

The utility model has the advantages that:

1. after the waste liquid flows through the shell, COD and suspended matters are adsorbed on the screen mesh, so that the waste liquid COD and suspended matters discharged out of the shell meet the discharge requirement;

2. after the vibrator is started, suspended matters adsorbed on the screen mesh fall into a sludge discharge box, are extruded by a filter plate and then are concentrated into a sludge concentration box for treatment, filtrate is recovered through a waste liquid guide-out box and is filtered again, and the capability of the screen mesh for sieving the suspended matters is recovered;

3. the backwash liquid backflushes the screen, flushes away the COD adsorbed on the screen, and recovers the capability of the screen for sieving oxygen COD, so that the screen can be repeatedly used.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a bottom view of the housing;

in the figure: the device comprises a shell 1, a waste liquid inlet 2, a backwash liquid outlet 3, a backwash liquid inlet 4, a waste liquid outlet 5, a partition plate 6, a screen 7, a linkage rod 8, a vibrator 9, a sludge blanking box 10, a sludge concentration box 11, a first movable plate 12, a filter plate 13, a bottom plate 14, an opening 15, a cylinder 16, a waste liquid outlet box 17 and a second movable plate 18.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1 to 3, a filtration and adsorption tower comprises a housing 1, a waste liquid inlet 2 and a backwash liquid outlet 3 are connected to the left side of the housing 1, a screen 7 is arranged in the housing 1, the screen 7 comprises a molecular sieve and a filter sieve, the molecular sieve is used for isolating redundant COD, the filter sieve is used for filtering suspended matters, a plurality of partition boards 6 are arranged in the housing 1, the screen 7 is arranged on the partition boards 6, the screen 7 on two adjacent partition boards 6 is staggered up and down, a backwash liquid inlet 4 and a waste liquid outlet 5 are connected to the right side of the housing 1, sewage enters the housing 1 through the waste liquid inlet 2, after passing through the screen 7, reaches the discharge requirement and is led out through the waste liquid outlet 5, after long-time adsorption of the adsorption tower, the sieving capability of the screen 7 is obviously insufficient, a vibrator 9 is connected to the screen 7, after the vibrator 9 is turned on, the screen 7 is oscillated, suspended matters fall, and some adsorbed chemical substances need to be washed through the backwash liquid, closing the waste liquid inlet 2 and the waste liquid outlet 5, starting the backflushing liquid inlet 4 and the backflushing liquid outlet 3, backflushing the residual impurities, and cleaning the screen mesh to facilitate subsequent use;

a sludge discharging box 10 is arranged below the shell 1, a sludge filtering mechanism is arranged in the sludge discharging box 10, the left side of the sludge discharging box 10 is connected with a sludge collecting box 11, the right end of the sludge discharging box 10 is provided with a waste liquid leading-out box 17, the sludge filtering mechanism is respectively communicated with the sludge collecting box 11 and the waste liquid leading-out box 17, shaken suspended matters fall into the sludge discharging box 10, after being filtered by the sludge filtering mechanism, sludge enters the sludge collecting box 11 for treatment, filtrate enters the waste liquid leading-out box 17 and is led back to a waste liquid pool again for decontamination treatment;

the upper screen 7 is connected through one linkage rod 8, the lower screen 7 is connected through the other linkage rod 8, each linkage rod 8 is connected with a vibrator 9, the vibrators 9 are the prior art and are not described again, the vibrators 9 are arranged in the middle of the linkage rods 8, and after the vibrators 9 vibrate, the screens 7 synchronously vibrate to shake off suspended matters adsorbed on the screens;

the sludge filtering mechanism comprises a first movable plate 12, a filtering plate 13 and a bottom plate 14, wherein the first movable plate 12 is rotatably connected with a sludge blanking box 10, the bottom plate 14 is arranged below the first movable plate 12, the filtering plate 13 is arranged on the upper part of the bottom plate 14 and is fixed with the bottom plate 14, a gap is formed between the filtering plate 13 and the bottom plate 14, the upper part of the bottom plate 14 inclines towards one side of a waste liquid guide box 17, the lower part of the bottom plate 14 is provided with an opening 15 communicated with the waste liquid guide box 17, two cylinders 16 are rotatably connected below the bottom plate 14, the lower end of each cylinder 16 is rotatably connected with the sludge blanking box 10, after sludge enters the sludge blanking box 10, the first movable plate 12 is opened, the sludge falls into the filtering plate 13, the first movable plate 12 is closed again, the cylinders 16 are started, the filtering plate 13 moves upwards until the sludge is contacted with the bottom plate 14, the sludge is extruded, and the sewage flows into the bottom plate 14 along the bottom plate 14 after penetrating through the filtering plate 13, until the sludge flows into the waste liquid guide box 17, the waste liquid guide box 17 is communicated with an aerobic sedimentation tank, the extruded waste liquid flows back to the full aerobic sedimentation tank for continuous sedimentation, a push rod of the air cylinder 16 retracts, the sludge is separated from the first movable plate 12, the air cylinder 16 on the right side pushes upwards, the air cylinder 16 on the left side retracts downwards, the bottom plate rotates anticlockwise, the sludge falls into the sludge concentration box 11 for collection, and the sludge is concentrated after being fully collected;

the lower part of the shell 1 is provided with a second movable plate 18, the second movable plate 18 is rotatably connected with the shell 1, the lower end of the shell 1 can be sealed after the second movable plate 18 rotates, the second movable plate 18 is in a closed state when the adsorption tower is used for adsorption and backflushing, and when the screen 7 is cleaned, the second movable plate is opened to enable sludge to smoothly fall into the sludge discharging box 10.

The sludge discharging box 10 is of a conical structure, the inner diameter of the lower end of the sludge discharging box 10 is reduced, and the sludge filtering mechanism is arranged at the lower part of the sludge discharging box 10, so that the sludge in the sludge discharging box 10 can completely fall into the sludge filtering mechanism for filtering;

the aperture of the screen 7 is reduced from left to right in turn, so that the sewage is filtered gradually until the sewage meets the discharge requirement.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (7)

1. A filtering adsorption tower is characterized in that: including casing (1), the left side of casing (1) is connected with waste liquid import (2) and backwash liquid export (3), is equipped with screen cloth (7) in casing (1), is connected with vibrator (9) on screen cloth (7), and the right side of casing (1) is connected with backwash liquid entry (4) and waste liquid export (5), the below of casing (1) is equipped with mud blanking box (10), be equipped with sludge filtering mechanism in mud blanking box (10), the left side of mud blanking box (10) is connected with mud centralized box (11), and the right-hand member of mud blanking box (10) is equipped with waste liquid and leads out case (17), sludge filtering mechanism communicates with mud centralized box (11) and waste liquid guide out case (17) respectively.

2. The filtration-adsorption column of claim 1, wherein: be equipped with a plurality of baffle (6) in casing (1), on baffle (6) was located in screen cloth (7), screen cloth (7) on two adjacent baffles (6) crisscross the setting from top to bottom, screen cloth (7) that are located the top are connected through a gangbar (8), and screen cloth (7) that are located the below are connected through another gangbar (8), all link and have vibrator (9) on every gangbar (8).

3. The filtration-adsorption column of claim 1, wherein: sludge filtering mechanism includes first fly leaf (12), filter (13) and bottom plate (14), first fly leaf (12) rotate with mud workbin (10) and are connected, the below of first fly leaf (12) is located in bottom plate (14), the upper portion of bottom plate (14) is located in filter (13) and is fixed with bottom plate (14), there is the space between filter (13) and bottom plate (14), the upper portion of bottom plate (14) leads out case (17) lopsidedness to the waste liquid, the lower part of bottom plate (14) is equipped with opening (15) with waste liquid guide out case (17) intercommunication, the below of bottom plate (14) is rotated and is connected with two cylinders (16), the lower extreme and the mud workbin (10) of cylinder (16) are rotated and are connected.

4. The filtration-adsorption column of claim 1, wherein: the lower part of the shell (1) is provided with a second movable plate (18), the second movable plate (18) is rotatably connected with the shell (1), and the lower end of the shell (1) can be closed after the second movable plate (18) rotates.

5. The filtration-adsorption column of claim 1, wherein: the sludge discharging box (10) is of a conical structure, the inner diameter of the lower end of the sludge discharging box (10) is reduced, and the sludge filtering mechanism is arranged on the lower portion of the sludge discharging box (10).

6. A filtration and adsorption column as recited in claim 2, wherein: the vibrator (9) is arranged in the middle of the linkage rod (8).

7. A filtration and adsorption column according to claim 2, wherein: the aperture of the screen (7) is reduced from left to right in turn.

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