Petrochemical sewage treatment device

Abstract

The utility model belongs to the technical field of petrochemical engineering, and particularly relates to a petrochemical engineering sewage treatment device which comprises a sewage pool, an installation shaft is rotatably installed on one side in the sewage pool, a first driving motor used for driving the installation shaft to rotate is installed on the sewage pool, and three welding blocks are welded to the peripheral face of the installation shaft at equal intervals. A bucket is welded to the side, away from the mounting shaft, of the welding block, an inclined flow guide plate is fixed to the bottom of the inner wall of the bucket, and multiple sets of filtering holes are formed in the bucket and the inclined flow guide plate. According to the petrochemical engineering sewage treatment device, the bucket continuously rotates in the sewage pool, suspended solids in sewage can be cleaned during rotation, and the suspended solids are discharged into the water filtering bin under the guidance of the inclined flow guide plate, so that the suspended solids in the sewage are continuously and automatically cleaned; the suspended solids are continuously and efficiently filtered and removed, the suspended solids cleaning efficiency is improved, regular manual cleaning is not needed, and the labor intensity is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of petroleum chemical industry, especially to a petroleum chemical industry sewage treatment device. BACKGROUND

[0002] In the petroleum chemical industry, sewage treatment is a crucial link, which is directly related to environmental protection and production safety. Because the sewage generated in the process of petroleum chemical production often contains a large amount of suspended solids, at present, the widely used method for removing suspended solids in petroleum chemical industry sewage is grid interception technology. As a kind of physical filtration equipment, grid can effectively intercept large suspended solids in sewage, such as plastic fragments, fibers, particulate matter, etc., by setting grid bars with different spacings, so as to prevent them from entering the subsequent treatment unit, thereby reducing the burden of the subsequent treatment process and improving the overall sewage treatment efficiency.

[0003] The suspended solids intercepted by the grid will accumulate in the sewage tank, which needs to be cleaned regularly by manual operation. This manual cleaning method not only has high labor intensity and low efficiency, but also has safety hazards, especially when operating in sewage containing toxic and harmful substances, which poses a threat to the health of the operator. At the same time, when the suspended solids on the grid accumulate to a certain extent, the water area will be significantly reduced, the water flow resistance will be increased, and even the grid will be completely blocked, which seriously affects the normal flow of sewage and the effective interception of suspended solids, and cannot realize the instant removal of suspended solids and the self-cleaning of the grid. It cannot realize continuous automatic filtration and cleaning treatment, and the suspended solids on the grid need to be cleaned regularly. SUMMARY

[0004] In order to overcome the defects of the prior art pointed out above, the present inventors have made in-depth research and, after a lot of creative labor, completed the present utility model.

[0005] Specifically, the technical problem to be solved by the present utility model is to provide a petroleum chemical industry sewage treatment device to solve the technical problem that current devices cannot realize continuous automatic filtration and cleaning of suspended solids.

[0006] To solve the above technical problems, the present utility model provides the following technical solutions:

[0007] A petroleum chemical industry sewage treatment device, comprising a sewage tank, a mounting shaft is rotatably installed on one side of the inside of the sewage tank, a driving motor one for driving the mounting shaft to rotate is installed on the sewage tank, three welding blocks are welded at equal intervals on the peripheral surface of the mounting shaft, a shovel is welded on the side of the welding block away from the mounting shaft, an inclined flow guide plate is fixed on the bottom of the inner wall of the shovel, a plurality of filter holes are formed on the shovel and the inclined flow guide plate, and a sewage discharge port is formed on the side of the shovel close to the low end of the inclined flow guide plate.

[0008] The sewage pool is fixed with a filter bin far from the one end of the driving motor, a guide bin is installed on the side of the filter bin, a conveying belt is rotatably installed in the filter bin, a mesh plate is fixed in the filter bin, and a group of water pressing assemblies are installed above the mesh plate in the filter bin.

[0009] As an improved technical solution, driving rollers are rotatably installed on both sides of the filter bin, and the conveying belt is drivingly installed between the two driving rollers, and the driving end of one driving roller is fixedly connected with the driving end of a servo motor.

[0010] As an improved technical solution, a scraper is fixed on the side of the filter bin far from the guide bin, the scraping end of the scraper is in contact with the outer wall of the conveying belt, and a plurality of water filtering holes are formed in the conveying belt.

[0011] As an improved technical solution, a backflow pipe is installed in the water outlet of the filter bin, the water inlet of a water pump is fixedly connected with the water outlet of the backflow pipe, and the water outlet of the water pump is connected with the water inlet pipe of the sewage pool.

[0012] As an improved technical solution, the water pressing assembly comprises a rotating shaft installed in the filter bin and a driving motor II rotatably installed on the outer wall of the filter bin, the driving end of the driving motor II is connected with one end of the rotating shaft, six plane pad strips are welded on the peripheral surface of the rotating shaft, a plurality of elastic members are fixed on the end of the plane pad strip far from the rotating shaft, and the movable end of the elastic member is fixedly connected with an arc-shaped pressing plate.

[0013] As an improved technical solution, the arc-shaped pressing plate is provided with a plane end near the end of the plane pad strip, the elastic member comprises a sleeve welded on the plane pad strip, a T-shaped column is slidably installed in the sleeve, the vertical rod end of the T-shaped column is fixedly connected with the plane end of the arc-shaped pressing plate after penetrating through the sliding hole of the sleeve, and a spring is sleeved between the vertical rod end of the T-shaped column and the arc-shaped pressing plate and the sleeve.

[0014] After the above technical scheme is adopted, the beneficial effects of the present application are as follows:

[0015] 1. The shovel continuously rotates in the sewage pool, and the suspended matter in the sewage is cleaned during rotation, and the suspended matter is discharged into the filter bin under the guidance of the inclined guide plate, so that the suspended matter in the sewage is continuously and automatically cleaned, the continuous and efficient filtration and removal of the suspended matter are maintained, the efficiency of cleaning the suspended matter is improved, manual regular cleaning is not required, the labor intensity is effectively reduced, the contact between workers and sewage is reduced, and harmful substances are prevented from eroding the workers.

[0016] 2、The utility model discloses, when sewage and suspended matter fall on the conveyer belt, via the filter water hole on the conveyer belt, suspended matter is filtered on the outer wall surface of conveyer belt, and the filtered sewage can fall in the inside of sewage pool and store, and the sewage in the inside of sewage pool can return to the inside of sewage pool through the reflux pipe and water pump and carry out subsequent cleaning operation, realize the isolation separation between sewage and suspended matter, realize that the sewage returns to the inside of sewage pool.

[0017] 3、The utility model discloses, when suspended matter passes between the water pressure assembly and mesh plate, the pressure is favorable to the water pressure of sewage in suspended matter, reduces the moisture content on suspended matter, and when the arc pressure plate is down to suspended matter, suspended matter passes through arc pressure plate and exerts a pressure that enters the inside of sleeve to T-shaped column, and compresses spring, and the elastic contact between arc pressure plate and suspended matter can expand the interval between arc pressure plate and conveyer belt, promote the smooth passage of suspended matter through water pressure assembly, and help to improve the pressing stability of suspended matter. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced to the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without the creative labor, wherein:

[0019] Figure 1 It is the overall structure schematic view of the utility model discloses a kind of petroleum chemical industry sewage treatment device.

[0020] Figure 2 It is the structure schematic view of the utility model discloses a kind of petroleum chemical industry sewage treatment device's shovel.

[0021] Figure 3 It is the internal structure schematic view of the utility model discloses a kind of petroleum chemical industry sewage treatment device's filter water storehouse.

[0022] Figure 4 It is the structure schematic view of the utility model discloses a kind of petroleum chemical industry sewage treatment device's water pressure component.

[0023] Explanation of legends:

[0024] 1, sewage pool;2, shovel;21, inclined deflector;22, filter hole;23, welding block;24, drive motor one;25, mounting shaft;26, sewage outlet;3, guide storehouse;4, filter water storehouse;5, water pressure component;51, rotating shaft;52, flat pad strip;53, spring;54, arc pressure plate;55, T-shaped column;56, sleeve;57, drive motor two;6, mesh plate;7, conveyer belt;71, drive roller;72, scraper. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0026] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications will also change accordingly.

[0027] Meanwhile, "and / or" or "or / and" appearing throughout the text means that three schemes are included, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B schemes are satisfied at the same time.

[0028] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.

[0029] As Figures 1 to 4 As shown in the drawings, the present embodiment provides a kind of petroleum chemical industry wastewater treatment device, this one petroleum chemical industry wastewater treatment device, including sewage pool 1, one side rotation is installed with mounting shaft 25 in sewage pool 1, sewage pool 1 is installed with the drive motor one 24 for driving mounting shaft 25 rotation, and the drive end of drive motor one 24 is connected with the one end of mounting shaft 25, the peripheral surface of mounting shaft 25 is welded with three welding blocks 23 at equal intervals, welding block 23 is welded with shovel 2 on the side away from mounting shaft 25, the bottom of the inner wall of shovel 2 is fixed with inclined flow guide plate 21, multiple groups of filter holes 22 are set up on shovel 2 and inclined flow guide plate 21, sewage outlet 26 is set up on the side of shovel 2 close to the low end of inclined flow guide plate 21, when shovel 2 is not separated from the inside of sewage pool 1, sewage pool 1 will be blocked by sewage outlet 26, avoid the suspended solids in the inside of shovel 2 from flowing out from sewage outlet 26;

[0030] The sewage pool 1 is fixed with a filter bin 4 away from one end surface of the driving motor 24, a guide bin 3 is installed on the side of the sewage pool 1 close to the filter bin 4, the feeding port of the guide bin 3 is located directly below the sewage outlet 26, a conveying belt 7 is rotatably installed in the filter bin 4, a mesh plate 6 is fixed in the filter bin 4, the upper surface of the mesh plate 6 is attached to the inner wall surface of the conveying belt 7, and a group of water pressing assemblies 5 are installed above the mesh plate 6 in the filter bin 4.

[0031] The bucket 2 continuously rotates in the sewage pool 1, and the suspended solids in the sewage are cleaned during rotation and guided by the inclined guide plate 21 to the inside of the filter bin 4, so that the suspended solids in the sewage are continuously and automatically cleaned, the continuous and efficient filtration and removal of the suspended solids are maintained, the efficiency of cleaning the suspended solids is improved, manual periodic cleaning is not required, the labor intensity is effectively reduced, the contact between the workers and the sewage is reduced, and the workers are protected from harmful substances.

[0032] As shown in Figure 3 , in this embodiment, driving rollers 71 are rotatably installed on both sides of the filter bin 4, and the conveying belt 7 is drivingly installed between the two driving rollers 71, the driving end of one driving roller 71 is fixedly connected with the driving end of a servo motor, and the servo motor is installed on the outer wall surface of the filter bin 4.

[0033] As shown in Figure 3 , in this embodiment, a scraper 72 is fixed on the side of the filter bin 4 away from the guide bin 3, the scraping end of the scraper 72 is in contact with the outer wall surface of the conveying belt 7, and a plurality of water filtering holes are formed in the conveying belt 7 to scrape the suspended solids adhering to the outer wall surface of the conveying belt 7.

[0034] As shown in Figures 1 to 3 , in this embodiment, a backflow pipe is installed on the drain hole at the bottom of the filter bin 4, the water inlet end of the backflow pipe is fixedly connected with the water outlet end of a water pump, and the water outlet end of the water pump is connected with the water inlet pipe on the sewage pool 1, when the sewage and the suspended solids fall on the conveying belt 7, the suspended solids are filtered on the outer wall surface of the conveying belt 7 through the water filtering holes on the conveying belt 7, and the filtered sewage falls into the inside of the sewage pool 1 for storage, the sewage in the inside of the sewage pool 1 is returned to the inside of the sewage pool 1 through the backflow pipe and the water pump for subsequent cleaning operation, the sewage and the suspended solids are separated, and the sewage is returned to the inside of the sewage pool 1.

[0035] As shown in Figures 3 to 4As shown in the drawings, in this embodiment, the water pressure assembly 5 includes a rotating shaft 51 installed inside the filter water bin 4, and a driving motor two 57 rotatably installed on the outer wall surface of the filter water bin 4, and the driving end of the driving motor two 57 is connected with one end of the rotating shaft 51, and the peripheral surface of the rotating shaft 51 is welded with six flat pad strips 52, and the end surface of the flat pad strip 52 away from the rotating shaft 51 is fixed with a plurality of elastic members, and the movable end of the elastic member is fixedly connected with an arc-shaped pressing plate 54, which is driven to rotate by a servo motor driving driving roller 71, and under the transmission between the two driving rollers 71 and the conveying belt 7, the conveying belt 7 is driven to rotate, and the suspended solids falling on the conveying belt 7 are moved away from the guiding bin 3, when the suspended solids pass between the water pressure assembly 5 and the mesh plate 6, the driving motor two 57 drives the rotating shaft 51 to drive the arc-shaped pressing plate 54 to rotate, and the suspended solids between the arc-shaped pressing plate 54 and the mesh plate 6 are pressed, and the pressure is beneficial to press the sewage in the suspended solids, and reduce the water content on the suspended solids.

[0036] As shown in the drawings, Figure 4 In this embodiment, the end surface of the arc-shaped pressing plate 54 close to the flat pad strip 52 is provided with a flat end, the elastic member includes a sleeve 56 welded on the flat pad strip 52, the inside of the sleeve 56 is slidably installed with a T-shaped column 55, the vertical rod end of the T-shaped column 55 passes through the sliding hole of the sleeve 56 and is fixedly connected with the flat end of the arc-shaped pressing plate 54, and the vertical rod end of the T-shaped column 55 is sleeved with a spring 53 between the arc-shaped pressing plate 54 and the sleeve 56, when the arc-shaped pressing plate 54 presses the suspended solids, the suspended solids apply a pressure into the inside of the sleeve 56 to the T-shaped column 55 through the arc-shaped pressing plate 54, and compress the spring 53, the elastic contact between the arc-shaped pressing plate 54 and the suspended solids can expand the spacing between the arc-shaped pressing plate 54 and the conveying belt 7, promote the smooth passing of the suspended solids through the water pressure assembly 5, and help to improve the pressing stability of the suspended solids.

[0037] In use, the driving motor one 24 drives the installation shaft 25 to rotate, and the three buckets 2 are synchronously and continuously rotated by the installation shaft 25, the bucket 2 is first immersed in the sewage pool 1 in the rotating process, and then gradually leaves the inside of the sewage pool 1, when the bucket 2 leaves the inside of the sewage pool 1, the suspended solids floating on the sewage surface are cleaned and collected in the inside of the bucket 2;

[0038] The water flow is guided to the installation shaft 25 through the inclined guide plate 21, the suspended solids are gathered in the inside of the bucket 2 and close to one end of the sewage outlet 26, when the bucket 2 leaves the sewage, the sewage in the inside of the bucket 2 is re-discharged to the inside of the sewage pool 1 through the filter hole 22, when the bucket 2 completely leaves the inside of the sewage pool 1, the sewage pool 1 removes the blockage of the sewage outlet 26, the sewage in the inside of the bucket 2 with the suspended solids is discharged from the sewage outlet 26 to the inner cavity of the guiding bin 3, and is guided to fall into the inside of the filter water bin 4 through the guiding bin 3, and falls on the upper surface of the conveying belt 7.

[0039] When the sewage and the suspended matter fall on the conveying belt 7, the suspended matter is filtered on the outer wall surface of the conveying belt 7 through the water filtering holes on the conveying belt 7, and the filtered sewage falls in the inside of the sewage pool 1 for storage, and the sewage in the inside of the sewage pool 1 is returned to the inside of the sewage pool 1 through the return pipe and the water pump for subsequent cleaning operation;

[0040] The driving rollers 71 are driven to rotate by the servo motor, and the conveying belt 7 is driven to rotate under the transmission action between the two driving rollers 71 and the conveying belt 7, and the suspended matter falling on the conveying belt 7 is moved away from the guide bin 3, when the suspended matter passes between the pressurized water assembly 5 and the mesh plate 6, the driving motor two 57 drives the rotating shaft 51 to drive the arc-shaped pressing plate 54 to rotate, and the suspended matter between the arc-shaped pressing plate 54 and the mesh plate 6 is pressed downward, and the pressure is beneficial to press the sewage in the suspended matter out.

[0041] It should be understood that the use of these embodiments is only for illustrating the present application and is not intended to limit the protection scope of the present application. In addition, it should also be understood that after reading the technical content of the present application, those skilled in the art can make various changes, modifications and / or variations to the present application, and all these equivalent forms also fall within the protection scope defined by the appended claims of the present application.

Claims

1. A petrochemical wastewater treatment apparatus, characterized by: The sewage tank (1) is internally rotatably installed with a mounting shaft (25), and a driving motor (24) is installed on the sewage tank (1) for driving the mounting shaft (25) to rotate, the peripheral surface of the mounting shaft (25) is welded with three welding blocks (23) at equal intervals, the side of the welding block (23) away from the mounting shaft (25) is welded with a shovel (2), the bottom of the inner wall of the shovel (2) is fixed with an inclined flow guide plate (21), a plurality of filter holes (22) are formed in the shovel (2) and the inclined flow guide plate (21), and a sewage discharge port (26) is formed in the side of the shovel (2) close to the lower end of the inclined flow guide plate (21). The end of the sewage tank (1) away from the driving motor (24) is fixed with a filter bin (4), the side of the sewage tank (1) close to the filter bin (4) is inserted with a guide bin (3), the inside of the filter bin (4) is rotatably installed with a conveying belt (7), the inside of the filter bin (4) is fixed with a mesh plate (6), and a group of water pressing assemblies (5) are installed on the inside of the filter bin (4) and above the mesh plate (6).

2. The petroleum chemical wastewater treatment device according to claim 1, characterized in that: Both sides of the inside of the filter bin (4) are rotatably installed with driving rollers (71), and the conveying belt (7) is drivingly installed between the two driving rollers (71), and the driving end of one of the driving rollers (71) is fixedly connected with the driving end of a servo motor.

3. The petrochemical wastewater treatment device according to claim 2, characterized in that: The side of the inside of the filter bin (4) away from the guide bin (3) is fixed with a scraper (72), the scraping end of the scraper (72) is in contact with the outer wall surface of the conveying belt (7), and a plurality of water filtering holes are formed in the conveying belt (7).

4. The petrochemical wastewater treatment device according to claim 3, characterized in that: The drainage hole at the bottom of the filter bin (4) is provided with a return pipe, the water inlet end of a water pump is fixedly connected with the water outlet end of the return pipe, and the water outlet end of the water pump is connected with the water inlet pipe on the sewage tank (1).

5. The petrochemical wastewater treatment device according to claim 4, characterized in that: The water pressing assembly (5) comprises a rotating shaft (51) installed in the filter bin (4) and a driving motor (57) rotatably installed on the outer wall surface of the filter bin (4), the driving end of the driving motor (57) is connected with one end of the rotating shaft (51), the peripheral surface of the rotating shaft (51) is welded with six planar pad strips (52), the end of the planar pad strip (52) away from the rotating shaft (51) is fixed with a plurality of elastic members, and the movable end of the elastic member is fixedly connected with an arc-shaped pressing plate (54).

6. The petroleum chemical wastewater treatment device according to claim 5, characterized in that: The end of the arc-shaped pressing plate (54) close to the planar pad strip (52) is provided with a planar end, the elastic member comprises a sleeve (56) welded with the planar pad strip (52), a T-shaped column (55) is slidably installed in the sleeve (56), the vertical rod end of the T-shaped column (55) penetrates through a sliding hole in the sleeve (56) and is fixedly connected with the planar end of the arc-shaped pressing plate (54), and a spring (53) is sleeved between the vertical rod end of the T-shaped column (55) and the sleeve (56).

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