CN212680334U - Filtering function system of waste acid water treatment neutralization apparatus - Google Patents

Abstract

The utility model relates to a filtering function system of a waste acid water treatment neutralization device, belonging to the technical field of sewage filtering equipment; the four corners of the lower surface of the box body are fixed with support legs, one side of the upper side wall of the box body is inserted with a feeding pipe, the lower side of one side wall of the box body is inserted with a discharging pipe, and the middle end of the discharging pipe is provided with a one-way valve; the upper side in the box body is provided with a first filtering mechanism, a collecting box in the first filtering mechanism is fixed on the outer side wall of one side of the box body, the middle side in the box body is provided with a second filtering mechanism, a supporting plate in the second filtering mechanism is fixedly connected with the inner peripheral wall of the box body, and the lower side of the supporting plate is provided with a third filtering mechanism; the spent acid water filters via several filter mechanism, progressively filters the solid impurity in the waste liquid, has increased filter speed, has improved filterable work efficiency, the utility model has the advantages of it is reasonable to set up, the cost of manufacture is low.

Description

Filtering function system of waste acid water treatment neutralization apparatus

Technical Field

The utility model relates to a sewage filtration equipment technical field, concretely relates to filtering capability system of neutralization apparatus in waste acid water treatment.

Background

At present, with the progress of science and technology and the rapid development of industry, more chemical raw materials of various acids are applied in the production process of the industrial field, waste acid is discharged into the environment along with sewage after the production process, so in order to avoid the pollution of the environment by the discharged waste acid water, the acid raw materials are fully utilized without waste in the production process at one time, and the discharged waste acid water is subjected to high-quality fertilizer liquid standard-reaching treatment, so that the condition that the quality of the recovered substances after the waste liquid treatment reaches the standard is directly determined by waste acid water treatment equipment, a filtering device in a neutralization device is used as process equipment in the waste acid water treatment equipment, when the waste liquid is filtered, the filtering degree of fixed substances plays a crucial role in the whole waste acid water treatment and filtration, when the filtering is insufficient, the integral quality of the substances after the waste acid water treatment is possibly not up to the standard to cause, and current waste acid water treatment's filter equipment, when containing solid impurity in the waste liquid more, its filter speed is slower, has reduced filterable work efficiency, awaits urgent need to improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a reasonable in design, convenient to use's spent acid water treatment neutralization apparatus's filtering function system, the spent acid water filters via several filter mechanism, progressively filters the solid impurity in the waste liquid, has increased filter speed, has improved filterable work efficiency.

In order to achieve the above object, the utility model adopts the following technical scheme: the automatic feeding device comprises a box body, support legs, a feeding pipe, a discharging pipe and a one-way valve, wherein a door body is arranged in the center of the front side wall of the box body, one side of the door body is connected with one side of the front side wall of the box body in a rotating mode through a hinge, the other side of the door body is connected with the other side of the front side wall of the box body through a cross lock, the support legs are fixed at four corners of the lower surface of the box body, the feeding pipe is inserted into one side of the upper side wall of the box body, the discharging; the filter device is characterized by also comprising a first filter mechanism, a second filter mechanism and a third filter mechanism, wherein the first filter mechanism is arranged on the upper side in the box body;

the first filtering mechanism further comprises a first filtering net and a slag discharging pipe, the first filtering net is arranged on the upper side in the box body, one side of the first filtering net is fixedly connected with the inner side wall of one side of the box body, the other side of the first filtering net inclines downwards and then is fixed on the inner side wall of the other side of the box body, the slag discharging pipe is inserted into the upper side of one side wall of the box body, the inner end of the slag discharging pipe is arranged above one side of the first filtering net, and the outer end of the slag discharging pipe inclines downwards and then is inserted into the;

the second filtering mechanism also comprises a guide ring, a fixed ring, a filtering frame and a fixed plate, wherein the guide ring is arranged at the lower side of the first filtering net, the outer edge of the guide ring is fixedly connected with the inner peripheral wall of the box body, the inner diameter of the guide ring is gradually reduced from top to bottom, the lower side of the guide ring is provided with the fixed ring, the lower side wall of the fixed ring is fixedly connected with the upper end of a supporting rod in the filtering frame, the inner diameters of the fixed ring and the filtering frame are all the same as the inner diameter of the lower side of the guide ring, the lower end of the supporting rod in the filtering frame is fixedly connected with the fixed plate, the fixed plate is arranged at the upper side of the;

above-mentioned No. three filter equipment comprises fixed frame, filter cloth, slide rail and arm-tie, fixed frame sets up in the downside of backup pad, the inside downside of fixed frame inlays and is equipped with filter cloth, this filter cloth hangs the downside of establishing in the backup pad, the left and right sides of fixed frame all slides and is provided with the slide rail, the slide rail of both sides is fixed respectively on the inside wall of the box left and right sides, the front side of fixed frame passes behind the preceding lateral wall of box, with the back lateral wall fixed connection of arm-tie, the rear side of arm-tie and the lateral wall contact setting of box front side.

Further, one side of discharging pipe be equipped with the deflector No. one, this deflector sets up in the inside of box, the right side downward sloping setting of deflector No. one.

Furthermore, a first sealing ring is fixed on the rear side wall of the pulling plate, the first sealing ring is sleeved on the outer side of the fixing frame, and the rear side wall of the first sealing ring is in contact with the outer side wall of the front side of the box body.

Furthermore, a motor is fixed at the center of the upper side wall of the box body and connected with an external power supply, a stirring rod is fixed on an output shaft of the motor, the lower end of the stirring rod penetrates through the upper side wall of the box body and then is fixedly connected with the upper surface of the fixed plate, a plurality of arc-shaped sliding blocks are fixed on the lower surface of the fixed plate at equal intervals and are arranged in a sliding groove on the upper side of the supporting plate in a sliding manner, a second sealing ring is fixed on the upper side of the supporting plate, the upper side of the second sealing ring is arranged in contact with the lower surface of the fixed plate, the outer ring wall of the second sealing ring and the outer side wall of the fixed plate are arranged in the same vertical plane, a plurality of fixed rods are suspended on the upper side of the fixed plate and are arranged in an inverted L shape, the upper ends of the fixed rods are respectively fixed on the inner ring wall of the guide ring at equal angles, the projection is arranged in contact with the filter frame.

Furthermore, the upside of slide rail all be equipped with the guide block, the cross-section of this guide block is triangle-shaped and sets up, both ends respectively with the inside wall fixed connection of both sides around the box around the guide block.

Further, the inside downside of collecting box be equipped with the filter screen No. two, the outward flange of this No. two filter screens and the internal perisporium fixed connection of collecting box, the downside of No. two filter screens is equipped with the deflector No. two, this No. two deflectors are kept away from and are less than its opposite side setting in one side of box, No. two deflectors are equipped with the honeycomb duct in one side adjacent to the box, the other end of this honeycomb duct passes behind the lateral wall of a lateral wall, the box of collecting box in proper order, hangs the inside of establishing at the box.

After the structure is adopted, the beneficial effects of the utility model are that:

1. the waste acid water is filtered by a plurality of filtering mechanisms, so that solid impurities in the waste acid water are gradually filtered, the filtering speed is increased, and the filtering working efficiency is improved;

2. after the waste acid water is filtered by the first filter screen, impurities can be discharged into the collecting box through the slag discharging pipe and are collected by the collecting box, so that the first filter screen can be prevented from being blocked by the impurities;

3. inside the spent acid water that filters through filter screen filtration flows to the filter frame via the guide ring, spent acid water arranges to the backup pad, discharges via the hole of permeating water in the backup pad again, drips to the filter cloth on, filters via the filter cloth at last again, has increased filterable effect.

Drawings

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

Fig. 2 is a top view of fig. 1.

Fig. 3 is a sectional view taken along line a-a of fig. 2.

Fig. 4 is an enlarged view of a portion B in fig. 3.

Fig. 5 is an enlarged view of the portion C in fig. 3.

Fig. 6 is a schematic structural view of the middle guide ring of the present invention.

Fig. 7 is a schematic structural view of the middle support plate of the present invention.

Fig. 8 is a schematic structural view of the middle fixing frame and the pulling plate of the present invention.

Description of reference numerals:

the device comprises a box body 1, a door body 1-1, support legs 2, a feeding pipe 3, a discharging pipe 4, a one-way valve 5, a first filtering mechanism 6, a collecting box 6-1, a first filtering screen 6-2, a slag discharging pipe 6-3, a second filtering mechanism 7, a support plate 7-1, a guide ring 7-2, a fixing ring 7-3, a filtering frame 7-4, a fixing plate 7-5, a water permeable hole 7-6, a third filtering mechanism 8, a fixing frame 8-1, filtering cloth 8-2, a sliding rail 8-3, a pulling plate 8-4, a first guide plate 9, a first sealing ring 10, a motor 11, a stirring rod 12, an arc-shaped sliding block 13, a second sealing ring 14, a fixing rod 15, a protrusion 16, a guide block 17, a second filtering screen 18, a second guide plate 19 and a guide pipe 20.

The specific implementation mode is as follows:

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 8, the following technical solutions are adopted in the present embodiment: the device comprises a box body 1, support legs 2, a feeding pipe 3, a discharging pipe 4 and a check valve 5, wherein a door body 1-1 is arranged at the center of the front side wall of the box body 1, one side of the door body 1-1 is screwed with one side of the front side wall of the box body 1 through a hinge, the other side of the door body 1-1 is connected with the other side of the front side wall of the box body 1 through a cross lock, the support legs 2 are fixedly welded at four corners of the lower surface of the box body 1, the feeding pipe 3 is fixedly inserted at the left side of the upper side wall of the box body 1 in an inserting mode, the discharging pipe 4 is fixedly inserted at the lower side of the right side wall of the box body 1 in an inserting mode, the check valve 5 is arranged at the middle end of the discharging pipe 4, a first guide plate 9 is arranged at the left side of the discharging pipe 4, the first guide plate 9 is arranged inside the box body 1, the front side and the rear side of the first guide plate 9 are respectively welded and fixed with the inner side walls of the front side and the rear side of the box body 1, so that the waste acid water can be prevented from being retained on the left side in the box body 1; the slag-removing device also comprises a first filtering mechanism 6, a second filtering mechanism 7 and a third filtering mechanism 8, wherein the first filtering mechanism 6 is arranged on the upper side inside the box body 1, a collecting box 6-1 in the first filtering mechanism 6 is fixed on the outer side wall of one side of the box body 1 through bolts, the first filtering mechanism 6 also comprises a first filtering net 6-2 and a slag discharging pipe 6-3, the first filtering net 6-2 is arranged on the upper side inside the box body 1, the left side of the first filtering net 6-2 is welded and fixed with the inner side wall of the left side of the box body 1, the right side of the first filtering net 6-2 is welded and fixed on the inner side wall of the right side of the box body 1 after inclining downwards, the slag discharging pipe 6-3 is inserted on the upper side of the right side wall of the box body 1, the inner end of the slag discharging pipe 6-3 is arranged above, inserted and welded in the collection box 6-1, a second filter screen 18 is arranged at the lower side in the collection box 6-1, the outer edge of the second filter screen 18 is welded and fixed with the inner peripheral wall of the collection box 6-1, a second guide plate 19 is arranged at the lower side of the second filter screen 18, the right side of the second guide plate 19 is welded and fixed with the inner side wall at the right side of the collection box 6-1, the left side of the second guide plate 19 inclines downwards and then is welded and fixed with the inner side wall at the left side of the collection box 6-1, a guide pipe 20 is arranged at the left side of the second guide plate 19, the left end of the guide pipe 20 passes through the left side wall of the collection box 6-1 and the right side wall of the box 1 in sequence and is suspended in the box 1, waste acid water contained in impurities in the collection box 6-1 can be filtered, then flows into the guide pipe 20 through the, the post-processing is convenient;

the middle side in the box body 1 is provided with a second filtering mechanism 7, a supporting plate 7-1 in the second filtering mechanism 7 is welded and fixed with the inner peripheral wall of the box body 1, the second filtering mechanism 7 also comprises a guide ring 7-2, a fixed ring 7-3, a filtering frame 7-4 and a fixed plate 7-5, the guide ring 7-2 is arranged at the lower side of a first filtering net 6-2, the outer edge of the guide ring 7-2 is welded and fixed with the inner peripheral wall of the box body 1, the inner diameter of the guide ring 7-2 is gradually reduced from top to bottom, the lower side of the guide ring 7-2 is provided with the fixed ring 7-3, the lower side wall of the fixed ring 7-3 is welded and fixed with the upper end of a supporting rod in the filtering frame 7-4, the inner diameters of the fixed ring 7-3 and the filtering frame 7-4 are all the same as the inner diameter of the lower, the lower end of a support rod in the filter frame 7-4 is welded and fixed with a fixing plate 7-5, the fixing plate 7-5 is arranged at the upper side of a support plate 7-1, and a plurality of water permeable holes 7-6 are arranged at equal angles on the outer edge of the support plate 7-1;

the third filtering mechanism 8 is arranged at the lower side of the supporting plate 7-1, the third filtering mechanism 8 is composed of a fixed frame 8-1, a filtering cloth 8-2, a sliding rail 8-3 and a pulling plate 8-4, the fixed frame 8-1 is arranged at the lower side of the supporting plate 7-1, the filtering cloth 8-2 is embedded at the lower side inside the fixed frame 8-1, the outer periphery of the filtering cloth 8-2 is welded and fixed with the inner peripheral wall of the fixed frame 8-1, the filtering cloth 8-2 is suspended at the lower side of the supporting plate 7-1, the sliding rail 8-3 is arranged at the left side and the right side of the fixed frame 8-1 in a sliding way, the sliding rails 8-3 at the two sides are respectively welded and fixed on the inner side walls at the left side and the right side of the box body 1, the upper side of the sliding rail, the front end and the rear end of the guide block 17 are respectively welded and fixed with the inner side walls of the front side and the rear side of the box body 1, so that waste acid water can be prevented from being retained on the slide rails 8-3, the front side of the fixing frame 8-1 penetrates through the front side wall of the box body 1 and then is welded and fixed with the rear side wall of the pull plate 8-4, the rear side of the pull plate 8-4 is in contact with the outer side wall of the front side of the box body 1, a first sealing ring 10 is fixedly adhered to the rear side wall of the pull plate 8-4, the first sealing ring 10 is sleeved on the outer side of the fixing frame 8-1, the rear side wall of the first sealing ring 10 is in contact with the outer side wall of the front side of the box;

a motor 11 is fixed on the center of the upper side wall of the box body 1 through a bolt, the motor 11 is connected with an external power supply, the model number of the motor 11 is 50KTYZ, a stirring rod 12 is welded and fixed on the output shaft of the motor 11, the lower end of the stirring rod 12 penetrates through the upper side wall of the box body 1 and then is welded and fixed with the upper surface of the fixing plate 7-5, a plurality of arc-shaped sliding blocks 13 are welded and fixed on the lower surface of the fixing plate 7-5 at equal intervals, the arc-shaped sliding blocks 13 are arranged in a sliding groove on the upper side of the supporting plate 7-1 in a sliding way, a second sealing ring 14 is fixedly adhered on the upper side of the supporting plate 7-1, the upper side of the second sealing ring 14 is arranged in contact with the lower surface of the fixing plate 7-5, the outer ring wall of the second sealing ring 14 and the outer side, the fixing rod 15 is arranged in an inverted L shape, the upper end of the fixing rod 15 is fixedly welded on the inner annular wall of the guide ring 7-2 in an equiangular mode respectively, the lower side wall of the guide ring 7-2 is arranged in contact with the upper surface of the fixing ring 7-3 through a graphite pad, the graphite pad is fixedly adhered on the lower side wall of the guide ring 7-2, the lower side wall of the graphite pad is arranged in contact with the upper side wall of the fixing ring 7-3, a plurality of protrusions 16 are fixedly welded on the outer side wall of the lower end of the fixing rod 15 in an equiangular mode, the protrusions 16 are arranged in contact with the filter frame 7-4, the filter frame 7-4 is driven to shake through the protrusions 16, and therefore the phenomenon that the filter frame 7.

The working principle of the specific embodiment is as follows: when the acid water filter is used, waste acid water enters the box body 1 through the feeding pipe 3 and is filtered through the first filter screen 6-2, impurities in the waste acid water slide to the slag discharging pipe 6-3 through the first filter screen 6-2 and then fall into the collecting box 6-1 through the slag discharging pipe 6-3, the waste acid water drops into the filter frame 7-4 after passing through the first filter screen 6-2 and flows to the outer side of the filter frame 7-4 after being filtered through the filter frame 7-4, at the moment, the motor 11 is started, the motor 11 drives the stirring rod 12 to rotate, the stirring rod 12 electrically drives the fixing plate 7-5 to rotate, the fixing plate 7-5 drives the filter frame 7-4 to rotate, the filter frame 7-4 generates friction with the bulge 16 during rotation, so that the bulge 16 drives the filter frame 7-4 to shake, and the impurities are prevented from being retained in meshes of the filter frame 7-4, impurities fall onto the fixed plate 7-5, after a period of time, the door body 1-1 can be opened, the lower side of the filter screen on the filter frame 7-4 is lifted upwards, then the impurities are treated, the waste acid water passes through a filter frame 7-4 and then flows onto a filter cloth 8-2 through a water permeable hole 7-6, the waste acid water is filtered by the filter cloth 8-2 and then drops onto a first guide plate 9, after a period of time, a one-way valve 5 is opened to enable the waste acid water to flow into a neutralization device, and the waste acid water contained in the impurities in the collecting box 6-1 is filtered by a second filter screen 18, drip to No. two deflector 19 on, waste acid water flows in honeycomb duct 20 after No. two deflector 19 flows again, flows to box 1 inside again at last, mixes the back with the inside waste acid water of box 1, conveys in the neutralization apparatus.

After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:

1. the waste acid water is filtered by a plurality of filtering mechanisms, so that solid impurities in the waste acid water are gradually filtered, the filtering speed is increased, and the filtering working efficiency is improved;

2. after the waste acid water is filtered by the first filter screen 6-2, impurities can be discharged into the collection box 6-1 through the slag discharge pipe 6-3 and are collected by the collection box 6-1, so that the first filter screen 6-2 can be prevented from being blocked by the impurities;

3. the waste acid water filtered by the first filter screen 6-2 flows into the filter frame 7-4 through the guide ring 7-2, the waste acid water is discharged onto the support plate 7-1, then is discharged through the permeable holes 7-6 on the support plate 7-1, and is dripped onto the filter cloth 8-2, and finally is filtered by the filter cloth 8-2, so that the filtering effect is improved;

4. the upper surface of the fixing plate 7-5 is fixedly connected with the stirring rod 12, when the motor 11 drives the stirring rod 12 to rotate, the fixing plate 7-5 can be driven to rotate, the fixing plate 7-5 drives the filter frame 7-4 to rotate, and the filter frame 7-4 generates friction with the bulge 16 when rotating, so that the bulge 16 drives the filter frame 7-4 to shake, and the filter frame 7-4 can be prevented from being blocked;

5. the inside of collecting box 6-1 is equipped with No. two filter screens 18, and accessible No. two filter screens 18 filters the impurity that gets into the inside of collecting box 6-1, and the sour water of spent acid after the filtration gets into honeycomb duct 20 in through No. two deflector 19, gets into the inside of box 1 at last, carries out centralized processing.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. A filtering function system of a waste acid water treatment neutralization device comprises a box body (1), support legs (2), a feeding pipe (3), a discharging pipe (4) and a one-way valve (5), wherein a door body (1-1) is arranged at the center of the front side wall of the box body (1), one side of the door body (1-1) is connected with one side of the front side wall of the box body (1) in a rotating mode through a hinge, the other side of the door body (1-1) is connected with the other side of the front side wall of the box body (1) through a cross lock, the support legs (2) are fixed at four corners of the lower surface of the box body (1), the feeding pipe (3) is inserted into one side of the upper side wall of the box body (1), the discharging pipe (4) is inserted into the lower side of one side wall of; the method is characterized in that: the novel filter box is characterized by further comprising a first filtering mechanism (6), a second filtering mechanism (7) and a third filtering mechanism (8), wherein the first filtering mechanism (6) is arranged on the upper side inside the box body (1), a collecting box (6-1) in the first filtering mechanism (6) is fixed on the outer side wall of one side of the box body (1), the second filtering mechanism (7) is arranged on the middle side inside the box body (1), a supporting plate (7-1) in the second filtering mechanism (7) is fixedly connected with the inner peripheral wall of the box body (1), and the third filtering mechanism (8) is arranged on the lower side of the supporting plate (7-1);

the first filtering mechanism (6) further comprises a first filtering net (6-2) and a slag discharging pipe (6-3), the first filtering net (6-2) is arranged on the upper side inside the box body (1), one side of the first filtering net (6-2) is fixedly connected with the inner side wall of one side of the box body (1), the other side of the first filtering net (6-2) inclines downwards and then is fixed on the inner side wall of the other side of the box body (1), the slag discharging pipe (6-3) is inserted into the upper side of one side wall of the box body (1), the inner end of the slag discharging pipe (6-3) is arranged above one side of the first filtering net (6-2), and the outer end of the slag discharging pipe (6-3) inclines downwards and then is inserted into the collecting box (6-1);

the second filtering mechanism (7) also comprises a guide ring (7-2), a fixing ring (7-3), a filtering frame (7-4) and a fixing plate (7-5), wherein the guide ring (7-2) is arranged at the lower side of the first filtering net (6-2), the outer edge of the guide ring (7-2) is fixedly connected with the inner peripheral wall of the box body (1), the inner diameter of the guide ring (7-2) is gradually reduced from top to bottom, the fixing ring (7-3) is arranged at the lower side of the guide ring (7-2), the lower side wall of the fixing ring (7-3) is fixedly connected with the upper end of a supporting rod in the filtering frame (7-4), the inner diameters of the fixing ring (7-3) and the filtering frame (7-4) are all the same as the inner diameter of the lower side of the guide ring (7-2), and the lower end of the supporting rod in the filtering frame (7-4) is fixedly connected with the fixing plate (7-, the fixing plate (7-5) is arranged on the upper side of the supporting plate (7-1), and a plurality of water permeable holes (7-6) are equiangularly arranged on the outer edge of the supporting plate (7-1);

the third filtering mechanism (8) is composed of a fixed frame (8-1), a filtering cloth (8-2), a sliding rail (8-3) and a pulling plate (8-4), the fixed frame (8-1) is arranged at the lower side of the supporting plate (7-1), the filtering cloth (8-2) is embedded at the lower side inside the fixed frame (8-1), the filter cloth (8-2) is suspended at the lower side of the support plate (7-1), the left side and the right side of the fixed frame (8-1) are both provided with slide rails (8-3) in a sliding way, the slide rails (8-3) at the two sides are respectively fixed on the inner side walls at the left side and the right side of the box body (1), the front side of the fixed frame (8-1) passes through the front side wall of the box body (1), is fixedly connected with the rear side wall of the pulling plate (8-4), and the rear side of the pulling plate (8-4) is arranged in contact with the outer side wall of the front side of the box body (1).

2. The system of claim 1, wherein the filter function of the neutralization apparatus for the treatment of waste acid water comprises: one side of discharging pipe (4) be equipped with deflector (9) No. one, this deflector (9) set up in the inside of box (1), deflector (9) right side downward sloping setting.

3. The system of claim 1, wherein the filter function of the neutralization apparatus for the treatment of waste acid water comprises: a first sealing ring (10) is fixed on the rear side wall of the pulling plate (8-4), the first sealing ring (10) is sleeved on the outer side of the fixing frame (8-1), and the rear side wall of the first sealing ring (10) is arranged in contact with the outer side wall of the front side of the box body (1).

4. The system of claim 1, wherein the filter function of the neutralization apparatus for the treatment of waste acid water comprises: a motor (11) is fixed at the center of the upper side wall of the box body (1), the motor (11) is connected with an external power supply, a stirring rod (12) is fixed on an output shaft of the motor (11), the lower end of the stirring rod (12) penetrates through the upper side wall of the box body (1) and is fixedly connected with the upper surface of the fixed plate (7-5), a plurality of arc-shaped sliding blocks (13) are fixed on the lower surface of the fixed plate (7-5) at equal intervals, the arc-shaped sliding blocks (13) are arranged in sliding grooves on the upper side of the supporting plate (7-1) in a sliding manner, a second sealing ring (14) is fixed on the upper side of the supporting plate (7-1), the upper side of the second sealing ring (14) is arranged in contact with the lower surface of the fixed plate (7-5), the outer ring wall of the second sealing ring (14) and the outer side wall of the fixed plate (7-5) are arranged in the same vertical, the fixing rod (15) is arranged in an inverted L shape, the upper end of the fixing rod (15) is fixed on the inner ring wall of the guide ring (7-2) in an equiangular mode respectively, the lower side wall of the guide ring (7-2) is arranged in a contact mode with the upper surface of the fixing ring (7-3) through a graphite pad, a plurality of protrusions (16) are fixed on the outer side wall of the lower end of the fixing rod (15) in an equiangular mode, and the protrusions (16) are arranged in a contact mode with the filter frame (7-4).

5. The system of claim 1, wherein the filter function of the neutralization apparatus for the treatment of waste acid water comprises: the upper side of the sliding rail (8-3) is provided with a guide block (17), the section of the guide block (17) is triangular, and the front end and the rear end of the guide block (17) are fixedly connected with the inner side walls of the front side and the rear side of the box body (1) respectively.

6. The system of claim 1, wherein the filter function of the neutralization apparatus for the treatment of waste acid water comprises: the inside downside of collecting box (6-1) be equipped with No. two filter screens (18), the outward flange of No. two filter screens (18) and the internal perisporium fixed connection of collecting box (6-1), the downside of No. two filter screens (18) is equipped with deflector (19) No. two, one side that No. two deflector (19) kept away from in box (1) is less than its opposite side setting, deflector (19) are adjacent to one side of box (1) and are equipped with honeycomb duct (20), the other end of this honeycomb duct (20) passes a lateral wall of collecting box (6-1) in proper order, behind the lateral wall of box (1), hang and establish in the inside of box (1).

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