CN215026750U

CN215026750U - Sewage treatment plant for chlor-alkali

Info

Publication number: CN215026750U
Application number: CN202121254937.3U
Authority: CN
Inventors: 邵祯; 姜新
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-07
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a sewage treatment plant for chlor-alkali, including upper end open-ended casing, drive arrangement is installed to the lower extreme of casing, drive arrangement's output shaft and the lower extreme of pivot are connected, the upper end of pivot is run through and is extended to in the casing, the hypoplastron is installed to the upper end of pivot, the side of the upper surface of hypoplastron and the lower extreme of toper filter mantle are connected, the upper end of toper filter mantle is connected with the side of annular slab downside, it goes out the liquid hole inside and outside it to communicate is seted up to the downside of casing, this sewage treatment plant for chlor-alkali, solid-state impurity and floccule are to the big removal in toper filter mantle internal diameter under the effect of centrifugal force in the filter process, reduce solid-state impurity and floccule to the influence of toper filter mantle filter effect, prolong the off cycle, and high efficiency, and low cost.

Description

Sewage treatment plant for chlor-alkali

Technical Field

The utility model relates to a chlor-alkali chemical industry equipment technical field specifically is a sewage treatment plant for chlor-alkali.

Background

In the activity of chlor-alkali chemical production, a large amount of water is needed as a reactant, so that a large amount of industrial sewage is generated in the process of chlor-alkali chemical production to harm the environment; the solid-state impurity and the floccule in the sewage need be got rid of earlier in the chlor-alkali industry sewage treatment, and prior art adopts the filter screen to filter impurity more, just need shut down after using a period and clear up the impurity on the filter screen, and is inefficient, and has increased the cost.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a sewage treatment plant for chlor-alkali, solid-state impurity and floccule are to the big removal of toper filter mantle internal diameter under the effect of centrifugal force in the filter process, reduce solid-state impurity and floccule to the influence of toper filter mantle filter effect, prolong the off-cycle, raise the efficiency, reduce cost can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sewage treatment plant for chlor-alkali, includes upper end open-ended casing, drive arrangement is installed to the lower extreme of casing, and drive arrangement's output shaft and the lower extreme of pivot are connected, and run through and extend to in the casing in the upper end of pivot, and the hypoplastron is installed to the upper end of pivot, and the side of the upper surface of hypoplastron and the lower extreme of toper filter mantle are connected, and the side of the upper end of toper filter mantle and annular slab downside is connected, and the downside of casing is seted up and is communicated its inside and outside play liquid hole.

As an optimal technical scheme of the utility model, the toper filter mantle includes interior otter board, filter cloth and outer otter board, and the outside cover of interior otter board is equipped with outer otter board, is equipped with the filter cloth between interior otter board and the outer otter board.

As an optimized technical proposal of the utility model, a coagulant ball is arranged in the inner cavity of the conical filter mantle.

As an optimized technical scheme of the utility model, the inboard downwardly extending of annular plate has the conical duct, and the medial surface of conical duct is fixed with helical blade.

As an optimized technical proposal of the utility model, the inner wall of the shell is fixed with sponge.

As an optimized technical proposal of the utility model, the lower side surface of the shell is fixed with a supporting leg.

As an optimized technical proposal of the utility model, the utility model also comprises an oxygen tank, the gas outlet of the oxygen tank is connected with one end of the conduit, and the other end of the conduit runs through and extends to the inner cavity of the shell.

As a preferred technical scheme of the utility model, the periphery side of casing is fixed with the elastic ring, the periphery side of elastic ring and the inner wall sliding connection of casing.

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

1. the sewage treatment device for chlor-alkali of the utility model is characterized in that the sewage in the conical filter cover rotates along with the conical filter cover and flows to the outer side of the conical filter cover through the conical filter cover under the action of centrifugal force, and solid impurities and floccules in the sewage move to the position with large diameter on the inner side surface of the conical filter cover, so that the influence of the solid impurities and the floccules on the filterability of the conical filter cover is reduced; the filtering efficiency of the sewage is accelerated by utilizing the rotary centrifugal force.

2. The utility model discloses sewage treatment plant for chlor-alkali breaks away from the sewage liquid drop of toper filter mantle fast, and the direct contact casing can produce great noise, and the sponge cushions the sewage liquid drop that breaks away from the toper filter mantle, and noise reduction improves the comfort level of environment.

3. The utility model discloses sewage treatment plant for chlor-alkali, adnexed coagulant on the coagulant ball make the distribution of coagulant in chlor-alkali chemical industry sewage even in the sewage filtration process constantly dissolved the sewage of chlor-alkali chemical industry.

4. The utility model discloses sewage treatment plant for chlor-alkali through the filterable chlor-alkali chemical wastewater of toper filter mantle mostly be liquid drop, liquid drop and oxygen contact when breaking away from with the toper filter mantle, increases the oxygen content of chlor-alkali chemical wastewater, the decomposition of good oxygen fungus to the organic matter in the chlor-alkali chemical wastewater of being convenient for.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the present invention in a partial cross-sectional structure;

fig. 3 is an enlarged view of a structure of fig. 2.

In the figure: 1 annular plate, 2 helical blades, 3 shells, 4 oxygen tanks, 5 conical filter hoods, 51 outer screen plates, 52 filter cloth, 53 inner screen plates, 6 elastic rings, 7 guide pipes, 8 lower plates, 9 rotating shafts, 10 driving devices, 11 supporting legs and 12 coagulant balls.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be further described with reference to the accompanying drawings and examples.

The first embodiment is as follows: referring to fig. 1-3, the present embodiment discloses a chlor-alkali wastewater treatment device, which comprises a housing 3 with an open upper end, wherein a driving device 10 is installed at the lower end of the housing 3, an output shaft of the driving device 10 is connected with the lower end of a rotating shaft 9, the upper end of the rotating shaft 9 penetrates through and extends into the housing 3, a lower plate 8 is installed at the upper end of the rotating shaft 9, the side edge of the upper surface of the lower plate 8 is connected with the lower end of a conical filter cover 5, the upper end of the conical filter cover 5 is connected with the side edge of the lower side surface of an annular plate 1, a liquid outlet hole communicating the inside and the outside of the housing 3 is formed in the lower side surface of the housing 3, and the inner diameter of the conical filter cover 5 gradually decreases from top to bottom or gradually increases from top to bottom.

The conical filter housing 5 of the embodiment comprises an inner mesh plate 53, filter cloth 52 and an outer mesh plate 51, wherein the outer mesh plate 51 is sleeved outside the inner mesh plate 53, and the filter cloth 52 is arranged between the inner mesh plate 53 and the outer mesh plate 51; the inner mesh plate 53 prevents sharp objects in the sewage from scratching the filter cloth 52, and the outer mesh plate 51 provides support for the filter cloth 52.

Further, a sponge is fixed to the inner wall of the housing 3.

Further, legs 11 are fixed to the lower side of the housing 3, and the legs 11 provide support for the housing 3.

The driving device 10 is a motor or a hydraulic motor, the motor is electrically connected to an external power supply, the hydraulic motor is connected to an external hydraulic source, the motor and the hydraulic motor are common devices in the prior art, and the working mode and the circuit structure thereof are well-known technologies and are not described herein.

The working process and principle of the embodiment are as follows:

conveying the chlor-alkali chemical wastewater to an opening between the annular plates 1 through a pipeline, wherein the chlor-alkali chemical wastewater enters a cavity formed by the conical filter mantle 5, the annular plates 1 and the lower plates 8, the driving device 10 drives the lower plates 8, the conical filter mantle 5 and the annular plates 1 to rotate through the rotating shaft 9, the wastewater in the conical filter mantle 5 rotates along with the conical filter mantle 5 and flows to the outer side of the conical filter mantle 5 through the conical filter mantle 5 under the action of centrifugal force, and solid impurities and floccules in the wastewater move to the position with the large diameter of the inner side surface of the conical filter mantle 5, so that the influence of the solid impurities and the floccules on the filterability of the conical filter mantle 5 is reduced; the filtering efficiency of the sewage is accelerated by utilizing the rotary centrifugal force.

The inner wall of casing 3 is fixed with the sponge, and the sewage liquid drop that breaks away from toper filter mantle 5 is fast, and direct contact casing 3 can produce great noise, and the sponge cushions the sewage liquid drop that breaks away from toper filter mantle 5, and noise reduction improves the comfort level of environment.

The filtered sewage flows out through the liquid outlet hole on the shell 3.

Example two: as shown in fig. 2, the present embodiment discloses a chlor-alkali wastewater treatment plant, which has a structure substantially the same as that of the first embodiment, except that a coagulant ball 12 is disposed in the inner cavity of the conical filter housing 5 of the present embodiment; the coagulant attached to the coagulant ball 12 is continuously dissolved into the chlorine alkali chemical wastewater in the wastewater filtering process, so that the coagulant is uniformly distributed in the chlorine alkali chemical wastewater; the coagulant ball 12 is made by high pressure extrusion molding of coagulant or placing fiber yarn in coagulant. The coagulant beads 12 are spherical particles made of coagulant.

Example three: as shown in fig. 2, the present embodiment discloses a chlor-alkali wastewater treatment device, which has a structure substantially the same as that of the first embodiment, except that a tapered pipe extends downwards from the inner side of the annular plate 1 of the present embodiment, a helical blade 2 is fixed on the inner side surface of the tapered pipe, the helical direction of the helical blade 2 is the same as the rotation direction of the rotating shaft 9, the tapered pipe prevents the chlor-alkali wastewater in the tapered filter housing 5 from splashing, and the helical blade 2 makes the chlor-alkali wastewater dripped on the inner side surface of the tapered pipe flow into the tapered filter housing 5 again.

Example four: as shown in fig. 1 and 2, the present embodiment discloses a chlor-alkali wastewater treatment plant, which has a structure substantially the same as that of the first embodiment, except that the present embodiment further comprises an oxygen tank 4, an air outlet of the oxygen tank 4 is connected with one end of a conduit 7, and the other end of the conduit 7 penetrates and extends to an inner cavity of the housing 3.

Further, an elastic ring 6 is fixed to the outer peripheral side of the housing 3, and the outer peripheral side of the elastic ring 6 is slidably connected to the inner wall of the housing 3.

The working process and principle of the embodiment are as follows: opening a valve in the oxygen tank 4 and enabling the oxygen tank 4 to enter the shell 3, and enabling the space passing through the outer side of the conical filter hood 5 to be in a relatively closed environment through the elastic ring 6 so as to reduce the reduction of the oxygen concentration in the space outside the conical filter hood 5; most of the chlorine alkali chemical wastewater filtered by the conical filter housing 5 is liquid drops and the liquid drops are in contact with oxygen when being separated from the conical filter housing 5, so that the oxygen content of the chlorine alkali chemical wastewater is increased, and the decomposition of aerobic bacteria in the chlorine alkali chemical wastewater on organic matters is facilitated.

The parts which are not disclosed in the utility model are the prior art, and the specific structure, materials and working principle are not detailed; the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and the embodiments of the present invention are not limited by the above embodiments, and for those skilled in the art, any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the principles of the present invention should be equivalent replacement modes, and all of them should be covered in the scope of the claims and the specification of the present invention.

Claims

1. The utility model provides a sewage treatment plant for chlor-alkali which characterized in that: including upper end open-ended casing (3), drive arrangement (10) are installed to the lower extreme of casing (3), the output shaft of drive arrangement (10) is connected with the lower extreme of pivot (9), the upper end of pivot (9) is run through and is extended to in casing (3), hypoplastron (8) are installed to the upper end of pivot (9), the side of the upper surface of hypoplastron (8) is connected with the lower extreme of toper filter mantle (5), the upper end of toper filter mantle (5) is connected with the side of annular plate (1) downside, the liquid hole of the play inside and outside its intercommunication is seted up to the downside of casing (3).

2. The chlor-alkali wastewater treatment plant according to claim 1, characterized in that: the conical filter cover (5) comprises an inner screen plate (53), filter cloth (52) and an outer screen plate (51), the outer screen plate (51) is sleeved on the outer side of the inner screen plate (53), and the filter cloth (52) is arranged between the inner screen plate (53) and the outer screen plate (51).

3. The chlor-alkali wastewater treatment plant according to claim 1, characterized in that: a coagulant ball (12) is arranged in the inner cavity of the conical filter cover (5).

4. The chlor-alkali wastewater treatment plant according to claim 1, characterized in that: the inner side of the annular plate (1) extends downwards to form a conical tube, and the inner side surface of the conical tube is fixed with a helical blade (2).

5. The chlor-alkali wastewater treatment plant according to claim 1, characterized in that: the inner wall of the shell (3) is fixed with sponge.

6. The chlor-alkali wastewater treatment plant according to claim 1, characterized in that: the lower side surface of the shell (3) is fixed with a supporting leg (11).

7. The chlor-alkali wastewater treatment plant according to claim 1, characterized in that: the sewage treatment device for chlor-alkali also comprises an oxygen tank (4), wherein an air outlet of the oxygen tank (4) is connected with one end of the conduit (7), and the other end of the conduit (7) penetrates through and extends to the inner cavity of the shell (3).