CN219941932U - Waste water filter equipment that chemical production used - Google Patents

Abstract

This application provides a wastewater filtration device for chemical production, which includes a box. The inner wall of the box is provided with a filter plate. The box is provided with an inlet pipe and a drainage pipe. Both ends of the box are installed. There is a door that can be in sealing contact with the box body. The upper end of the filter plate is provided with a scraper. The scraper is connected with a reciprocating moving mechanism that can drive it to move linearly back and forth between the two box doors. This application can achieve the purpose of cleaning solid objects and improve the filtration efficiency of waste water without stopping the water inlet pipe. In addition, the staff only need to operate the reciprocating drive mechanism and open and close the door to complete the cleaning of solid objects. It is not only convenient to operate, but also has high solid object cleaning efficiency.

Description

Wastewater filtration device for chemical production

Technical field

The present application relates to wastewater filtration technology, and in particular to a wastewater filtration device for chemical production.

Background technique

In the chemical production wastewater treatment process, wastewater filtration equipment is generally used to filter the wastewater and remove solid matter in the wastewater. At present, a kind of wastewater treatment equipment used for chemical wastewater treatment includes a box with a filter plate. The wastewater falls from the top of the filter plate onto the filter plate. The wastewater passes through the filter plate and falls to the bottom of the box, and is discharged from the bottom of the box. It is discharged for the next step of treatment, and the filter plate intercepts the solids in the wastewater, thereby removing the solids in the wastewater.

However, after the filter plate is used for a period of time, when the solid matter on the filter plate accumulates to a certain amount, it will affect the filtration efficiency, so it needs to be cleaned regularly. When cleaning, it is necessary to stop the water supply to the filter plate first, and then manually clean the solid objects on the filter plate. Manual cleaning is not only troublesome to operate, takes a long time to clean, and has low cleaning efficiency, but also reduces the efficiency of wastewater filtration after shutdown.

Utility model content

This application provides a wastewater filtering device for chemical production to solve the problems of troublesome operation, long cleaning time, and low efficiency of existing wastewater filtering equipment when cleaning solid matter on the filter plate.

This application provides a wastewater filtration device for chemical production, including a box body, the inner wall of the box body is provided with a filter plate, and the box body is provided with a water inlet pipe and a drainage pipe;

Both ends of the box are equipped with doors capable of sealing contact with the box;

The upper end of the filter plate is provided with a scraper, and the scraper is connected to a reciprocating mechanism that can drive it to move linearly back and forth between the two box doors.

Optionally, the scraper includes a plate body and a U-shaped rubber pad. The plate body is inserted into the U-shaped rubber pad and fixedly connected to the U-shaped rubber pad. The outer wall of the U-shaped rubber pad is simultaneously connected with the U-shaped rubber pad. The upper end of the filter plate is in sealing contact with the inner wall of the box;

A scraper in the form of a right-angled triangle structure and in contact with the upper end of the filter plate is fixed on both sides of the plate body.

Optionally, the reciprocating mechanism adopts a double screw reciprocating mechanism.

Optionally, the double screw reciprocating mechanism includes two symmetrically distributed screws, a moving plate, and a driving mechanism. Both screws penetrate the moving plate and are threadedly connected to the moving plate. The screw is rotatably installed on the inner upper part of the box;

The driving mechanism is installed on the outside of the box and connected to one end of the two screws at the same time to drive the two screws to rotate synchronously;

The lower end of the movable plate is detachably and fixedly connected to the upper end of the plate body.

Optionally, the driving mechanism includes a protective box, which is fixed on the outer wall of the box. A rotating shaft is installed inside the protective box, and two and two screws are fixed on the rotating shaft. One-to-one corresponding driving bevel gears, each of the driving bevel gears is meshed with a driven bevel gear that is perpendicular to it, and each of the driven bevel gears is fixed on its corresponding screw;

One end of the rotating shaft extends out of the protective box and is connected with a hand wheel.

Optionally, one end of the door is rotatably connected to the box body through a hinge structure, and the other end of the door is removably and fixedly connected to the box body through a hasp.

Optionally, one end surface of the door can be in contact with the outer wall of the box, and a sealing gasket matching the door is fixed on one end surface.

Optionally, the box is equipped with observation windows distributed along the moving direction of the scraper.

Optionally, a material receiving box is provided on the lower side of each box door.

Compared with the existing technology, the beneficial effects of this application are:

The wastewater filtration device for chemical production provided by this application has a filter plate inside the box. The box is connected to a water inlet pipe and a drainage pipe. Both ends of the box are equipped with doors that can seal with the box. The upper end of the filter plate is equipped with a scraper, and the scraper is connected to a reciprocating mechanism that can drive it to move linearly back and forth between the two box doors, so that when cleaning the solid objects on the filter plate, the scraper is driven by the reciprocating mechanism from One end of the filter plate moves to the other end of the filter plate. During the movement, the scraper scrapes away the solid matter on the filter plate. When the scraper approaches the door at the other end of the filter plate, the scraper continues to move towards the filter plate. By moving the other end of the scraper, the solid matter can be squeezed between the scraper and the box door close to it. The extruded wastewater will flow into the bottom of the box through the filter plate to dehydrate the solid matter. After the dehydration is completed, open the box door. Continue to move the scraper, the scraper will push out the solid objects, and finally close the door. Since solid objects can be squeezed between the scraper and the door, without stopping the water inlet pipe, the solid objects and wastewater pushed by the scraper during movement are extruded between the scraper and the door. The waste water in the object and the waste water pushed by the scraper can be squeezed to the bottom of the box, thereby achieving the purpose of cleaning solid objects without stopping the water inlet pipe, thereby improving the filtration efficiency of waste water. In addition, the staff only need to operate the reciprocating drive mechanism and open and close the door to complete the cleaning of solid objects. It is not only convenient to operate, but also has high solid object cleaning efficiency.

Description of the drawings

In order to more clearly explain the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic three-dimensional structural diagram of a wastewater filtration device for chemical production provided by an embodiment of the present application;

Figure 2 is a partial front cross-sectional structural schematic diagram of a wastewater filtration device for chemical production provided by an embodiment of the present application;

Figure 3 is an enlarged structural diagram of area A in Figure 2;

Figure 4 is a partial top view sectional structural diagram of a wastewater filtration device for chemical production provided by an embodiment of the present application;

Figure 5 is a schematic three-dimensional structural diagram of a scraper of a wastewater filtration device for chemical production provided by an embodiment of the present application.

Explanation of reference signs: box body 1, filter plate 2, water inlet pipe 3, drainage pipe 4, door 5, hinge structure 6, buckle 7, sealing gasket 8, observation window 9, material receiving box 10;

Scraper 11, plate body 12, U-shaped rubber pad 13, scraper 14;

Reciprocating mechanism 15, screw 16, moving plate 17, driving mechanism 18, protective box 19, rotating shaft 20, driving bevel gear 21, driven bevel gear 22, handwheel 23.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application are clearly and completely described below. Obviously, the described embodiments are part of the embodiments of the present application, not all of them. Example. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts also fall within the scope of protection of this application.

As shown in Figure 1-Figure 5:

A wastewater filtration device for chemical production provided by an embodiment of the present application includes a box 1, a bracket is fixed at the bottom of the box 1, a filter plate 2 is fixed on the inner wall of the box 1, and a water inlet pipe 3 is provided on the box 1. Drain pipe 4. Specifically, the water inlet pipe 3 is installed at the top of the box 1 and the drainage pipe 4 is installed at the bottom of the box 1 .

Both ends of the box 1 are equipped with door 5 capable of sealing contact with the box 1 .

The upper end of the filter plate 2 is provided with a scraper 11, and the scraper 11 is connected to a reciprocating moving mechanism 15 that can drive it to move linearly back and forth between the two box doors 5.

In this embodiment, one door 5 is located at the left end of the filter plate 2, and the other door 5 is located at the right end of the filter plate 2. The reciprocating mechanism 15 can drive the scraper 11 to move left and right.

During use, wastewater falls from the inlet pipe 3 onto the filter plate 2, and the filter plate 2 intercepts the solid matter in the wastewater. The filtered wastewater falls from the filter plate 2 to the bottom of the box 1, and is discharged from the discharge pipe into the next treatment process. .

When cleaning the solid matter on the filter plate 2, the water inlet pipe 3 does not stop inflowing water, and the reciprocating mechanism 15 is operated to drive the scraper 11 to move from the left end of the filter plate 2 to the right end of the filter plate 2. During the movement of the scraper 11 , scrape away the solid matter and wastewater on the filter plate. When the scraper 11 approaches the door 5 at the right end of the filter plate 2, the scraper 11 continues to move to the right end of the filter plate 2. The scraper 11 and the right end of the filter plate 2 The squeezing work is carried out between the box doors 5. The wastewater and the wastewater in the solid matter between the scraper 11 and the box door 5 on the right end of the filter plate 2 are squeezed to the bottom of the box 1 through the filter plate 2. After the extrusion is completed , open the door 5 at the right end of the filter plate 2, continue to move the scraper 11, the scraper 11 will push out the solid matter, and finally close the door 5. The next time the solid objects are cleaned, the scraper 11 is driven by the reciprocating mechanism 15 to move from right to left, and the solid objects are collected from the door 5 at the left end of the filter plate 2.

The wastewater filtration device used in chemical production provided by this application is provided with a filter plate 2 in the box 1. The box 1 is connected to an inlet pipe 3 and a drainage pipe 4. Both ends of the box 1 are equipped with a filter plate 2 that can communicate with the box. 1. The upper end of the sealing contact box door 5 and the filter plate 2 is provided with a scraper 11. The scraper 11 is connected to a reciprocating moving mechanism 15 that can drive it to move linearly back and forth between the two box doors 5, so that the water inlet pipe does not stop. 3. In the case of water intrusion, the solid objects and wastewater pushed by the scraper 11 during movement can be squeezed into the box when the scraper 11 and the box door 5 are squeezed. At the bottom of the body 1, the purpose of cleaning solid objects can be achieved without stopping the water inlet pipe 3, thereby improving the filtration efficiency of waste water. In addition, the staff only need to operate the reciprocating drive mechanism 18 and the opening and closing box. Door 5 can complete the cleaning work of solid objects, which is not only convenient to operate, but also has high solid object cleaning efficiency.

In some embodiments of the present application, the scraper 11 includes a plate body 12 and a U-shaped rubber pad 1 . The plate body 12 is inserted into the U-shaped rubber pad 13 and is fixedly connected to the U-shaped rubber pad 13 . The outer wall of the U-shaped rubber pad 13 is in sealing contact with the upper end of the filter plate 2 and the inner wall of the box 1 at the same time to improve the squeezing effect between the scraper 11 and the box door 5 . Specifically, the horizontal section of the U-shaped rubber gasket 13 is in sealing contact with the upper end of the filter plate 2 , and the vertical end of the U-shaped rubber gasket 13 is in sealing contact with the inside of the box 1 .

In order to improve the effect of scraping solid objects, in this embodiment, scrapers 14 having a right-angled triangle structure and contacting the upper end of the filter plate 2 are fixed on both sides of the plate body 12 . Specifically, one scraper 14 is located at the left end of the plate body 12 , and the other scraper 14 is located at the right end of the plate body 12 .

In order to improve the stability of the movement of the scraper 11, in some embodiments of the present application, the reciprocating mechanism 15 adopts a double screw reciprocating mechanism 15.

In some embodiments of the present application, the double screw reciprocating mechanism 15 includes two symmetrically distributed screws 16, a moving plate 17, and a driving mechanism 18. Both screws 16 penetrate the moving plate 17 and are threaded with the moving plate 17. connect. Two screws 16 are rotatably mounted on the inner upper part of the box 1 . Specifically, the right end of each screw 16 extends out of the box 1 and is rotationally connected to the box 1 through bearings, and the left end of each screw 16 is rotationally connected to the box 1 through bearings.

The driving mechanism 18 is installed on the right outside of the box 1 and is connected to the right ends of the two screws 16 at the same time to drive the two screws 16 to rotate synchronously.

The lower end of the moving plate 17 is detachably and fixedly connected to the upper end of the plate body 12 .

In this embodiment, the lower end of the moving plate 17 is provided with a slot, and the upper end of the plate body 12 is inserted into the slot and fixedly connected through a plurality of bolts and nuts, and is later replaced with the scraper 11 .

When in use, the driving mechanism 18 drives the two screws 16 to rotate synchronously. The two screws 16 rotate synchronously and drive the moving plate 17 to move. The moving plate 17 drives the plate body 12 to move, and the plate body 12 drives the scraper 14 to move to clean the filter plate. 2 solid matter accumulated on.

In some embodiments of the present application, the driving mechanism 18 includes a protective box 19 , which is fixed on the outer wall of the box 1 , and a rotating shaft 20 is installed for rotation inside the protective box 19 . Specifically, the rotating shaft 20 is rotationally connected to the protective box 19 through two bearings. Two driving bevel gears 21 corresponding to the two lead screws 16 are fixed on the rotating shaft 20. Each driving bevel gear 21 is meshed with a driven bevel gear 22 perpendicular to it, and each driven bevel gear 22 is fixed to the other. on the corresponding lead screw 16.

One end of the rotating shaft 20 extends out of the protective box 19 and is connected with a handwheel 23 .

When in use, the staff rotates the handwheel 23, and the handwheel 23 drives the rotating shaft 20 to rotate. The rotating shaft 20 drives the two driving bevel gears 21 to rotate. Each driving bevel gear 21 drives the driven bevel gear 22 connected to it to rotate. Each driven bevel gear 21 rotates. The moving bevel gear 22 drives the screw 16 connected thereto to rotate, thereby realizing the synchronous rotation of the two screws 16 .

In order to facilitate the staff to open and close the box door 5, in some embodiments of the present application, one end of the box door 5 is rotatably connected to the box body 1 through a hinge structure 6, and the other end of the box door 5 can be connected to the box body 1 through a hasp 7. Remove fixed connections.

In order to improve the sealing between the box door 5 and the box body 1 after closing and prevent waste water from flowing out of the box body 1 during extrusion, in some embodiments of the present application, one end surface of the box door 5 can be in contact with the outer wall of the box body 1 , and a matching sealing gasket 8 is fixed on one end surface of the door 5 .

In order to facilitate the staff to observe the accumulation of solid matter on the filter plate 2 and to facilitate the staff to confirm the position of the scraper 11, in some embodiments of the present application, the box 1 is equipped with observation cameras distributed along the moving direction of the scraper 11. window 9.

In order to facilitate the collection of solid objects, in some embodiments of the present application, a receiving box 10 is provided on the lower side of each box door 5 .

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that; The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features can be equivalently replaced; and these modifications or substitutions do not deviate from the essence of the corresponding technical solutions from the technical solutions of the embodiments of the present application. scope.

Claims (9)

1. The utility model provides a waste water filter equipment that chemical production used, includes box (1), the inner wall of box (1) is equipped with filter plate (2), be equipped with inlet tube (3) and drain pipe (4), its characterized in that on box (1):

both ends of the box body (1) are provided with box doors (5) which can be in sealing contact with the box body (1);

the upper end of the filter plate (2) is provided with a scraping plate (11), and the scraping plate (11) is connected with a reciprocating movement mechanism (15) which can drive the scraping plate to reciprocate linearly between the two box doors (5).

2. The wastewater filtering device for chemical production according to claim 1, wherein: the scraping plate (11) comprises a plate body (12) and a U-shaped rubber pad (13), wherein the plate body (12) is inserted into the U-shaped rubber pad (13) and fixedly connected with the U-shaped rubber pad (13), and the outer wall of the U-shaped rubber pad (13) is simultaneously in sealing contact with the upper end of the filter plate (2) and the inner wall of the box body (1);

both sides of the plate body (12) are respectively fixed with scraping pieces (14) which are in a right triangle structure and are contacted with the upper end of the filter plate (2).

3. The wastewater filtering device for chemical production according to claim 2, wherein: the reciprocating mechanism (15) adopts a double-screw reciprocating mechanism (15).

4. A wastewater filtration device for chemical production according to claim 3, wherein: the double-screw reciprocating mechanism (15) comprises two symmetrically distributed lead screws (16), a moving plate (17) and a driving mechanism (18), wherein the two lead screws (16) penetrate through the moving plate (17) and are in threaded connection with the moving plate (17), and the two lead screws (16) are rotatably arranged at the inner upper part of the box body (1);

the driving mechanism (18) is arranged outside the box body (1) and is connected with one ends of the two lead screws (16) at the same time to drive the two lead screws (16) to synchronously rotate;

the lower end of the moving plate (17) is detachably and fixedly connected with the upper end of the plate body (12).

5. The wastewater filtering device for chemical production according to claim 4, wherein: the driving mechanism (18) comprises a protective box (19), the protective box (19) is fixed on the outer wall of the box body (1), a rotating shaft (20) is rotatably arranged in the protective box (19), two driving bevel gears (21) which are in one-to-one correspondence with two lead screws (16) are fixed on the rotating shaft (20), each driving bevel gear (21) is meshed with a driven bevel gear (22) perpendicular to the driving bevel gear, and each driven bevel gear (22) is fixed on the corresponding lead screw (16);

one end of the rotating shaft (20) extends out of the protective box (19) and is connected with a hand wheel (23).

6. The wastewater filtering device for chemical production according to claim 1, wherein: one end of the box door (5) is rotationally connected with the box body (1) through a hinge structure (6), and the other end of the box door (5) is detachably and fixedly connected with the box body (1) through a hasp (7).

7. The wastewater filtering device for chemical production according to claim 6, wherein: one end face of the box door (5) can be in contact with the outer wall of the box body (1), and a sealing gasket (8) matched with the box door is fixed on one end face of the box door (5).

8. The wastewater filtering device for chemical production according to claim 1, wherein: the box body (1) is provided with observation windows (9) distributed along the moving direction of the scraping plate (11).

9. The wastewater filtering device for chemical production according to claim 1, wherein: a material receiving box (10) is arranged below each box door (5).