Sewage pretreatment equipment

Abstract

The utility model discloses sewage pretreatment equipment which comprises a box body, a partition plate is fixed on one side in the box body, the partition plate divides the interior of the box body into a filtering cavity and a cleaning cavity, a water adding hopper is fixed at the top of the box body and located above the filtering cavity, and a filtering assembly is arranged at the top end in the box body. According to the pharmaceutical wastewater treatment device, the box body, the water adding hopper, the filtering assembly, the first motor, the residue collecting box, the cleaning assembly and the second motor are arranged, after pharmaceutical wastewater is added from the water adding hopper, the wastewater is filtered through a metal filter screen of the filtering assembly, filter residues stay on the surface of the metal filter screen, the metal filter screen is driven by the first motor to rotate, and the filter residues move into the cleaning cavity of the box body; when the sewage is filtered, most of filter residues directly fall into the residue collecting box, and the cleaning assembly is driven by the second motor to clean medicine residues clamped in the metal filter screen, so that the equipment can filter the sewage and clean the filter residues on the metal filter screen at the same time, and continuous sewage treatment is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage pretreatment technical field especially sewage pretreatment equipment. BACKGROUND

[0002] Biopharmaceutical sewage refers to the wastewater generated in the biopharmaceutical process, mainly including the wastewater generated in fermentation, extraction, refining and other processes. These wastewaters contain unreacted raw materials, byproducts, solvents and microorganisms, etc., and have the characteristics of complex composition, high concentration, poor biodegradability and containing a large amount of organic matter and toxic and harmful substances. Generally, before the biopharmaceutical sewage is deeply treated, a pretreatment equipment is needed to filter out the dregs from the sewage. However, the existing pretreatment has the following shortcomings:

[0003] For example, the patent with the patent number CN216513155U proposes a biopharmaceutical sewage pretreatment equipment, which cleans the dregs on the surface of the filter screen through the setting of the scraper, avoiding the blockage caused by the accumulation of the dregs. This equipment and the existing sewage pretreatment equipment are both fixedly provided with the filter screen. If the dregs on the surface of the filter screen accumulate to a certain extent, manual cleaning of the dregs on the surface of the filter screen is still needed after the shutdown, which undoubtedly affects the sewage treatment efficiency and is troublesome to clean, so further improvement is needed. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and proposes a sewage pretreatment equipment.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sewage pretreatment equipment, comprising a box body, a partition plate is fixed on one side inside the box body, the partition plate divides the inside of the box body into a filtering cavity and a cleaning cavity, a water adding hopper is fixed on the top of the box body and above the filtering cavity, a filtering assembly is arranged at the top end inside the box body, the filtering assembly comprises a driving roller and a driven roller, the driving roller and the driven roller are both rotationally connected with the side wall of the box body through bearings, the driving roller and the driven roller are respectively located above the filtering cavity and the cleaning cavity, a metal filter screen is jointly sleeved on the surfaces of the driving roller and the driven roller, a first motor for driving the rotation of the metal filter screen is installed on the outer side wall of the box body, and a drain pipe is fixed on the side wall at the bottom end of the box body.

[0006] A dregs collecting box is placed at the bottom end inside the cleaning cavity, a cleaning assembly is arranged inside the cleaning cavity and above the dregs collecting box, the cleaning assembly is located inside the metal filter screen, and a second motor for driving the rotation of the cleaning assembly is installed on the outer side wall of the box body.

[0007] Further, a guide plate is fixed on the top of the box body and below the water adding hopper.

[0008] Further, the first motor output shaft is fixedly connected with the driving roller through the side wall of the box.

[0009] Further, an opening is formed in the side wall of the box and close to the slag collecting box, and a handle is fixed to the side of the slag collecting box close to the opening.

[0010] Further, the cleaning assembly comprises a horizontal shaft, one end of the horizontal shaft is fixedly connected with the output end of the second motor, a brush cylinder is sleeved on the surface of the horizontal shaft, a strip-shaped groove is formed in the inner side wall of the brush cylinder, a convex rib is fixed to the surface of the middle part of the horizontal shaft and located in the strip-shaped groove, and the bristles on the surface of the brush cylinder are attached to the surface of the metal filter screen.

[0011] Further, a baffle is fixed to the surface of the horizontal shaft and close to the second motor, external threads are arranged on the surface of the horizontal shaft away from the second motor, and internal thread caps are rotatably connected to the surface of the external threads, and the brush cylinder is located between the internal thread caps and the baffle.

[0012] Further, a maintenance cover is fixedly connected to the side wall of the box close to the horizontal shaft through bolts.

[0013] The utility model discloses the beneficial effect of the following:

[0014] 1, the utility model discloses when using, a kind of sewage pretreatment equipment, setting box, water adding hopper, filter component, first motor, slag collecting box, cleaning assembly and second motor, pharmaceutical sewage is added after water adding hopper, using the metal filter screen of filter component to filter sewage, filter residue will stay on the surface of metal filter screen, with the rotation of metal filter screen driven by first motor, filter residue moves to the inside of box cleaning cavity, and most of filter residue will directly drop into slag collecting box, and then the cleaning assembly is driven by second motor to clean the pharmaceutical residue stuck in metal filter screen, so that the equipment can filter sewage, clean filter residue on metal filter screen simultaneously, ensure that sewage treatment can continuously carry out, and filter residue on metal filter screen does not need to be cleaned, improve processing efficiency.

[0015] 2, the utility model discloses when using, a kind of sewage pretreatment equipment, setting cleaning assembly and second motor, the brush cylinder of cleaning assembly can be directly detached from the surface of horizontal shaft, and it is convenient to replace brush cylinder. ACCURATE DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the utility model, the following will be to the specific implementation mode description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, other drawings can also be obtained according to these drawings.

[0017] Figure 1 : the overall perspective view of the utility model

[0018] Figure 2 The overall sectional view of the utility model;

[0019] Figure 3 The utility model discloses a horizontal shaft and second motor perspective drawing;

[0020] Figure 4 The utility model discloses a brush cylinder perspective drawing.

[0021] The reference signs are as follows:

[0022] 1, box body;2, partition;3, filter chamber;4, cleaning chamber;5, water adding hopper;51, guide plate;6, filter assembly;61, driving roller;62, driven roller;63, metal filter screen;7, first motor;8, drain pipe;9, residue collecting box;10, opening;11, cleaning assembly;111, horizontal shaft;112, brush cylinder;113, strip-shaped groove;114, convex rib;115, baffle;116, internal thread cap;12, second motor;13, maintenance cover. Specific embodiments

[0023] The technical solutions in the embodiments of the utility model will be apparently and completely described in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] As Figures 1-4 shown, relate to a kind of sewage pretreatment equipment, including box body 1, box body 1 inside one side is fixed with partition 2, partition 2 is separated into filter chamber 3 and cleaning chamber 4 in box body 1, water adding hopper 5 is fixed on the top of box body 1 and located above filter chamber 3, filter assembly 6 is equipped at the top inside box body 1, filter assembly 6 includes driving roller 61 and driven roller 62, driving roller 61 and driven roller 62 are all with the side wall of box body 1 through bearing rotatable connection, driving roller 61 and driven roller 62 are located above filter chamber 3 and cleaning chamber 4 respectively, driving roller 61 and driven roller 62 surface are commonly covered with metal filter screen 63, first motor 7 of driving metal filter screen 63 rotation is installed on the outside wall of box body 1, drain pipe 8 is fixed on the side wall of the bottom of box body 1;

[0025] residue collecting box 9 is placed in the bottom of cleaning chamber 4, cleaning assembly 11 is equipped in cleaning chamber 4 and located above residue collecting box 9, cleaning assembly 11 is located in metal filter screen 63, second motor 12 of driving cleaning assembly 11 rotation is installed on the outside wall of box body 1.

[0026] guide plate 51 is fixed on the top of box body 1 and located below water adding hopper 5.

[0027] When the pharmaceutical sewage is added into the box 1 through the water adding bucket 5, the guide plate 51 can guide the sewage to the surface of the metal filter screen 63, so as to avoid that the filter residue is stuck in the gap between the metal filter screen 63 and the box 1.

[0028] The output shaft of the first motor 7 is fixedly connected with the driving roller 61 through the side wall of the box 1.

[0029] After the driving roller 61 is driven to rotate by the first motor 7, the metal filter screen 63 can be driven to rotate.

[0030] An opening 10 is arranged on the side wall of the box 1 and close to the residue collecting box 9, and a handle is fixed to the side of the residue collecting box 9 close to the opening 10.

[0031] Therefore, the residue collecting box 9 can be taken out from the opening 10 through the handle, so that the pharmaceutical residue collected in the residue collecting box 9 can be cleaned.

[0032] The cleaning assembly 11 comprises a horizontal shaft 111, one end of the horizontal shaft 111 is fixedly connected with the output end of the second motor 12, a brush cylinder 112 is sleeved on the surface of the horizontal shaft 111, a strip-shaped groove 113 is arranged on the inner side wall of the brush cylinder 112, a convex rib 114 is fixedly arranged on the surface of the middle part of the horizontal shaft 111, and the convex rib 114 is located in the strip-shaped groove 113, and the bristles on the surface of the brush cylinder 112 are attached to the surface of the metal filter screen 63.

[0033] When the horizontal shaft 111 is driven to rotate by the second motor 12, the brush cylinder 112 can be driven to rotate due to the fact that the convex rib 114 is clamped in the strip-shaped groove 113, and in this embodiment, the rotating directions of the brush cylinder 112 and the metal filter screen 63 are opposite, so that the bristles on the surface of the brush cylinder 112 can clean the pharmaceutical residue stuck in the mesh of the metal filter screen 63.

[0034] A baffle 115 is fixedly arranged on the surface of the horizontal shaft 111 close to the second motor 12, external threads are arranged on the surface of the end of the horizontal shaft 111 away from the second motor 12, an internal thread cap 116 is rotatably connected with the surface of the external threads, and the brush cylinder 112 is located between the internal thread cap 116 and the baffle 115.

[0035] Therefore, the brush cylinder 112 can be fixedly squeezed by the baffle 115 and the internal thread cap 116, when the brush cylinder 112 needs to be replaced, the internal thread cap 116 is unscrewed, the brush cylinder 112 is directly pulled out from the surface of the horizontal shaft 111, a new brush cylinder 112 is sleeved on the surface of the horizontal shaft 111, and finally the internal thread cap 116 is screwed, so that the brush cylinder 112 is fixed.

[0036] A maintenance cover 13 is fixedly connected with the side wall of the box 1 close to the horizontal shaft 111 through bolts. After the maintenance cover 13 is disassembled, the brush cylinder 112 can be pulled out from the surface of the horizontal shaft 111, which is beneficial to the disassembly and replacement of the brush cylinder 112.

[0037] Working principle: first start the first motor 7 drive metal filter screen 63 rotation, then start the second motor 12 drive brush cylinder 112 rotation, then to the water adding hopper 5 adds pharmaceutical sewage, sewage is filtered through the metal filter screen 63, dregs will stay on the surface of the metal filter screen 63, the filtered sewage is discharged from the drain pipe 8, with the rotation of the metal filter screen 63, dregs move to the cleaning cavity 4 above, finally fall in the residue collecting box 9, and a small amount of dregs will be stuck in the metal filter screen 63 mesh, when the metal filter screen 63 passes through the brush cylinder 112, the rotating brush cylinder 112 will clean the dregs in the metal filter screen 63 mesh, the cleaned dregs continue to fall into the residue collecting box 9, therefore the device can automatically clean the dregs on the surface of the metal filter screen 63, so that the sewage treatment can be continuously carried out, improve the processing efficiency.

[0038] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and use the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A sewage pre-treatment apparatus comprising a tank (1), characterised in that: The box (1) is fixed with a partition (2) on one side inside, the partition (2) divides the box (1) into a filtering cavity (3) and a cleaning cavity (4), a water adding hopper (5) is fixed on the top of the box (1) and above the filtering cavity (3), a filtering assembly (6) is arranged at the top inside of the box (1), the filtering assembly (6) comprises a driving roller (61) and a driven roller (62), the driving roller (61) and the driven roller (62) are rotatably connected with the side wall of the box (1) through bearings, the driving roller (61) and the driven roller (62) are located above the filtering cavity (3) and the cleaning cavity (4) respectively, a metal filter screen (63) is jointly sleeved on the surfaces of the driving roller (61) and the driven roller (62), a first motor (7) for driving the metal filter screen (63) to rotate is mounted on the outer side wall of the box (1), a drain pipe (8) is fixed on the bottom side wall of the box (1); A slag collecting box (9) is placed at the bottom inside of the cleaning cavity (4), a cleaning assembly (11) is arranged inside the cleaning cavity (4) and above the slag collecting box (9), the cleaning assembly (11) is located inside the metal filter screen (63), a second motor (12) for driving the cleaning assembly (11) to rotate is mounted on the outer side wall of the box (1).

2. A sewage pretreatment apparatus according to claim 1, characterized in that: A guide plate (51) is fixed on the top of the box (1) and below the water adding hopper (5).

3. The apparatus of claim 1, wherein: The output shaft of the first motor (7) penetrates through the side wall of the box (1) and is fixedly connected with the driving roller (61).

4. The apparatus of claim 1, wherein: An opening (10) is formed in the side wall of the box (1) and close to one side of the slag collecting box (9), a handle is fixed on the side of the slag collecting box (9) close to the opening (10).

5. The apparatus of claim 1, wherein: The cleaning assembly (11) comprises a horizontal shaft (111), one end of the horizontal shaft (111) is fixedly connected with the output end of the second motor (12), a brush cylinder (112) is sleeved on the surface of the horizontal shaft (111), a strip-shaped groove (113) is formed in the inner side wall of the brush cylinder (112), a convex rib (114) is fixed on the surface of the middle part of the horizontal shaft (111) and located inside the strip-shaped groove (113), and the bristles on the surface of the brush cylinder (112) are attached to the surface of the metal filter screen (63).

6. A sewage pretreatment apparatus according to claim 5, characterized in that: A baffle (115) is fixed on the surface of the horizontal shaft (111) and close to one end of the second motor (12), external threads are arranged on the surface of the other end of the horizontal shaft (111) away from the second motor (12), and an internal thread cap (116) is rotatably connected with the surface of the external threads, and the brush cylinder (112) is located between the internal thread cap (116) and the baffle (115).

7. A sewage pretreatment apparatus according to claim 5, characterized in that: An inspection cover (13) is fixedly connected with the side wall of the box (1) close to the horizontal shaft (111) by bolts.

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