Water recycling device for industrial production of PTA (pure terephthalic acid)

Abstract

The utility model belongs to the technical field of PTA production, and discloses a PTA industrial production water recycling device which comprises a treatment bin, a filtering circular plate is arranged at the position, close to the right end, of an inner cavity of the treatment bin, the structure of the filtering circular plate is matched with the inner wall of the treatment bin, and the filtering circular plate is connected with a rotary driving assembly. A backwashing assembly is installed at the position, corresponding to the filtering circular plate, of the treatment bin, an overflow assembly is connected to the corresponding position of the left side of the treatment bin, a water inlet pump is installed at the top of the treatment bin, an inlet of the water inlet pump is connected with a water inlet pipe, an outlet of the water inlet pump is connected with a water injection pipe, and a water injection opening is formed in the bottom end of the water injection pipe; the filter circular plate is driven to rotate, and meanwhile, the part, away from water, of the filter circular plate is subjected to back flushing, so that cleaning can be performed under the condition that the work of the filter circular plate is not influenced, the filter circular plate can be prevented from being blocked, and the working efficiency can also be ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to PTA production technical field, specifically a kind of PTA industrial production water recycling device. BACKGROUND

[0002] PTA, i.e. refined terephthalic acid, is an important raw material for producing polyester fiber, film and plastic products, etc. In the PTA production process, a large amount of water resources will be consumed, and wastewater containing various impurities will also be generated. If these wastewater is directly discharged, not only water resources will be wasted, but also serious pollution to the environment will be caused. In the PTA industrial production water recycling system, filtration is one of the most common and key processing steps.

[0003] The Chinese patent with application number 202420661185.X discloses an industrial wastewater treatment equipment, which includes a mounting frame, a treatment bin fixed on the mounting frame, a water inlet bin communicated with the top of the treatment bin, a second motor installed on one side of the treatment bin, a first rotating shaft connected to the driving end of the second motor, the first rotating shaft being fixed in the treatment box through a bearing seat, a stirring mechanism installed on the first rotating shaft, a plurality of filter plates arranged below the stirring mechanism, a garbage bin communicated with one side of the treatment box, a second rotating shaft installed in the garbage bin, a material winding mechanism arranged on the second rotating shaft, a driven sprocket assembled at one end of the second rotating shaft, a driving sprocket assembled at one end of the first rotating shaft, and the driving sprocket and the driven sprocket being assembled in transmission through a chain. The treatment bin is provided with a waste cover at the bottom, a lower water outlet communicated with the bottom of the waste cover, and a side water outlet communicated with one side of the treatment bin. The advantage of the equipment is that it can quickly separate garbage and impurities in industrial wastewater, automatically collect and process garbage and impurities in wastewater, and accelerate the time of industrial wastewater treatment through multi-channel drainage.

[0004] However, the above-mentioned industrial wastewater treatment equipment has the following problems in actual use: during the use of the filter plate, some impurities will adhere to the filter holes, and the impurities in the filter holes cannot be cleaned by the scraper, so that the filter plate is blocked.

[0005] Therefore, a PTA industrial production water recycling device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0006] To solve the problems proposed in the above background, the utility model provides a PTA industrial production water recycling device, which has a backwashing filter disc to avoid the blockage of the filter disc.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A PTA industrial production water recycling device, including the treatment bin, the right side position of the treatment bin inner chamber is equipped with the filter round plate, the structure of filter round plate is matched with the treatment bin inner wall, the filter round plate is connected with the rotary drive component, the position of the treatment bin upper surface with filter round plate is installed with the backflush component, the left side corresponding position of the treatment bin is connected with the overflow component, the top of the treatment bin is installed with the water inlet pump, the inlet of water inlet pump is connected with the water inlet pipe, the outlet of water inlet pump is connected with the water injection pipe, the bottom of water injection pipe is equipped with the water injection port, the right side of the treatment bin is installed with the water outlet pipe at the bottom, the end of water outlet pipe is equipped with the water outlet.

[0008] Preferably, the rotary drive component includes a rotating shaft fixedly connected to the right side center position of the filter round plate, the rotating shaft penetrates the treatment bin and is fixedly connected with a driven gear, the driven gear is meshingly connected with a driving gear, and the driving gear is connected with a driving motor through a motor shaft.

[0009] Preferably, the right side of the treatment bin is fixedly connected with a support corresponding to the driving motor, and the driving motor is installed on the support.

[0010] Preferably, the backflush component includes a water storage tank, the water storage tank is connected with a booster pump through a pipeline, the outlet of the booster pump is connected with a drain pipe through a pipeline, and the drain pipe is installed with equally spaced nozzles corresponding to the filter round plate.

[0011] Preferably, the top of the water storage tank is installed with a water inlet, and the front side of the water storage tank is installed with a first liquid level window.

[0012] Preferably, the overflow component includes an overflow port installed on the left side of the treatment bin, the height of the overflow port is equal to the height of the center position of the filter round plate, the overflow port is connected with an overflow pipe, the overflow pipe is connected with a water collecting tank, the water collecting tank is arranged below the treatment bin, and the front side of the water collecting tank is installed with a second liquid level window.

[0013] Preferably, the left side of the water collecting tank is connected with a water suction pipe near the bottom, the water suction pipe is connected with the water inlet pipe, and the water suction pipe is installed with a valve.

[0014] Preferably, the treatment bin is fixedly connected with four corresponding support legs, and the support legs are fixedly connected with the water collecting tank.

[0015] Compared with the prior art, the utility model has the beneficial effects as follows:

[0016] 1. The utility model discloses a reverse flushing assembly and rotary drive assembly are set up, drive filter round plate rotation, and the part of filter round plate that is away from water is washed reversely simultaneously, can clean up under the condition of not influencing filter round plate work, can avoid filter round plate blockage, can guarantee work efficiency too,

[0017] 2. The utility model discloses a overflow assembly is set up, when the wastewater in processing warehouse exceeds filter round plate center height, the redundant wastewater will be discharged into the water collecting tank, and the wastewater in water collecting tank is guided into the water inlet pipe again at proper time to complete the filtration of wastewater. DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model,

[0019] Figure 2 It is another angle structure schematic diagram of the utility model,

[0020] Figure 3 It is the section structure schematic diagram of processing warehouse of the utility model,

[0021] Figure 4 It is structure schematic diagram of rotary drive assembly of the utility model,

[0022] Figure 5 It is structure schematic diagram of reverse flushing assembly of the utility model.

[0023] In the drawing: 1, processing warehouse, 2, filter round plate,

[0024] 3, rotary drive assembly, 301, rotating rod, 302, driven gear, 303, driving gear, 304, drive motor,

[0025] 4, reverse flushing assembly, 401, water storage tank, 402, booster pump, 403, drain pipe, 404, spray head,

[0026] 5, overflow assembly, 501, overflow port, 502, overflow pipe, 503, water collecting tank, 504, second liquid level window,

[0027] 6, water inlet pump, 7, water inlet pipe, 8, water injection pipe, 9, water injection port, 10, water outlet pipe, 11, water outlet, 12, support, 13, water inlet, 14, first liquid level window, 15, water suction pipe, 16, valve, 17, support leg. DETAILED DESCRIPTION

[0028] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] As shown in Figures 1 to 5 The utility model provides a PTA industrial production water recycling device, including processing bin 1, the position of processing bin 1 inner chamber right side is equipped with filter round plate 2, the structure of filter round plate 2 is matched with processing bin 1 inner wall, filter round plate 2 is connected with rotating drive subassembly 3, and processing bin 1 is installed with backflushing subassembly 4 in the position corresponding with filter round plate 2, and processing bin 1's left side corresponding position is connected with overflow subassembly 5, and processing bin 1 top is installed with water inlet pump 6, and the import of water inlet pump 6 is connected with water inlet pipe 7, and the export of water inlet pump 6 is connected with water injection pipe 8, and the bottom of water injection pipe 8 is equipped with water injection port 9, and processing bin 1 right side bottom position is installed with water outlet pipe 10, and the end of water outlet pipe 10 is equipped with water outlet 11, and the rotation of filter round plate 2 is driven, and the part of filter round plate 2 that is away from water is washed at the same time, namely can clean up under the condition of not affecting the work of filter round plate 2, can avoid filter round plate 2 blockage, can also guarantee work efficiency.

[0030] Specifically, rotating drive subassembly 3 includes rotating rod 301 fixedly connected with the right side center position of filter round plate 2, rotating rod 301 penetrates processing bin 1 and is fixedly connected with driven gear 302, driven gear 302 is connected with driving gear 303 in meshing mode, driving gear 303 is connected with driving motor 304 through motor shaft, and filter round plate 2 is driven to rotate, so as to wash filter round plate 2 in reverse mode, and the work of filter round plate 2 is not affected.

[0031] Further, bracket 12 is fixedly connected with the position corresponding to driving motor 304 on the right side of processing bin 1, and driving motor 304 is installed on bracket 12.

[0032] Still further, backflushing subassembly 4 includes water storage tank 401, water storage tank 401 is connected with booster pump 402 through pipeline, outlet of booster pump 402 is connected with drain pipe 403 through pipeline, and spray head 404 is installed on drain pipe 403 in equidistant mode at the position corresponding to filter round plate 2, high-pressure water is used to wash filter round plate 2 in reverse mode, to remove the attachments in filter holes of filter round plate 2, and cleaning effect is guaranteed.

[0033] It is worth mentioning that water inlet 13 is installed on the top of water storage tank 401, for adding water in water storage tank 401, and first liquid level window 14 is installed on the front side of water storage tank 401, for observing the water level in water storage tank 401.

[0034] It is worth noting that the overflow assembly 5 includes an overflow port 501 installed on the left side of the treatment bin 1, the height of the overflow port 501 is equal to the height of the center position of the filter disc 2, the overflow port 501 is connected with an overflow pipe 502, the overflow pipe 502 is connected with a water collecting tank 503, the water collecting tank 503 is arranged below the treatment bin 1, a second liquid level window 504 is installed on the front side of the water collecting tank 503, when the wastewater in the treatment bin 1 exceeds the center height of the filter disc 2, the excess wastewater is discharged into the water collecting tank 503, and the wastewater in the water collecting tank 503 is re-introduced into the water inlet pipe 7 at an appropriate time to complete the filtration of the wastewater.

[0035] It is worth introducing that the water collecting tank 503 is connected with a water suction pipe 15 at a position close to the bottom on the left side, the water suction pipe 15 is connected with the water inlet pipe 7, and the water in the water collecting tank 503 is introduced into the water inlet pipe 7 for filtration, and a valve 16 is installed on the water suction pipe 15 to control the water in the water collecting tank 503 to be discharged.

[0036] It is worth emphasizing that the treatment bin 1 is fixedly connected with four correspondingly arranged supporting legs 17, the supporting legs 17 are fixedly connected with the water collecting tank 503, and are used for fixing the treatment bin 1 and the water collecting tank 503.

[0037] Among them, the driving motor 304, the booster pump 402 and the water inlet pump 6 are prior art and will not be described again; at the same time, the utility model also includes a power supply, a controller and a switch, which are not the main technical points of the patent and will not be described again.

[0038] Working principle and process: start the water inlet pump 6, the wastewater is discharged into the treatment bin 1 through the water inlet pipe 7, the water inlet pump 6 and the water inlet pipe 8, and the wastewater is injected into the left side of the filter disc 2, and the water level in the treatment bin 1 is kept from exceeding the center height of the filter disc 2, the wastewater is discharged through the water outlet pipe 10 after being filtered by the filter disc 2, and is discharged through the water outlet 11, after the filter disc 2 is used for a period of time, the driving motor 304 of the rotary driving assembly 3 is started, and then the driving gear 303 drives the driven gear 302 to rotate, and then the rotating rod 301 drives the filter disc 2 to rotate, at the same time, the booster pump 402 of the backflushing assembly 4 is started, the water in the water storage tank 401 is sprayed through the nozzle 404 after passing through the booster pump 402 and the drain pipe 403, that is, the high-pressure water is used to backflush the rotating filter disc 2 to clean the attachments in the filter holes of the filter disc 2, avoid the filter disc 2 from being blocked, and the cleaning can be carried out without affecting the work of the filter disc 2, so as to ensure the filtering efficiency, when the wastewater in the treatment bin 1 exceeds the center height of the filter disc 2, the wastewater is discharged through the overflow port 501 of the overflow assembly 5, and then is introduced into the water collecting tank 503 through the overflow pipe 502, when there is a lot of wastewater in the water collecting tank 503, the valve 16 is opened, and the wastewater in the water collecting tank 503 is introduced into the water inlet pipe 7 through the water suction pipe 15 to be filtered.

[0039] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0040] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A PTA industrial production water recycling device, comprising a treatment bin (1), characterized in that: The position of the inner cavity of the processing bin (1) is provided with a filter disc (2) at the right end, the structure of the filter disc (2) is matched with the inner wall of the processing bin (1), the filter disc (2) is connected with a rotary drive assembly (3), the processing bin (1) is provided with a backflush assembly (4) at the position corresponding to the filter disc (2), the left side of the processing bin (1) is connected with an overflow assembly (5) at the corresponding position, the top of the processing bin (1) is provided with a water inlet pump (6), the inlet of the water inlet pump (6) is connected with a water inlet pipe (7), the outlet of the water inlet pump (6) is connected with a water injection pipe (8), the bottom end of the water injection pipe (8) is provided with a water injection port (9), the right side of the processing bin (1) is provided with a water outlet pipe (10) at the bottom position, and the end of the water outlet pipe (10) is provided with a water outlet (11).

2. The PTA industrial production water recycling device according to claim 1, characterized in that: The rotary drive assembly (3) comprises a rotating rod (301) fixedly connected to the right side center position of the filter disc (2), the rotating rod (301) penetrates through the processing bin (1) and is fixedly connected with a driven gear (302), the driven gear (302) is engagedly connected with a driving gear (303), and the driving gear (303) is connected with a driving motor (304) through a motor shaft.

3. The PTA industrial production water recycling device according to claim 2, characterized in that: The right side of the processing bin (1) is fixedly connected with a support (12) corresponding to the driving motor (304), and the driving motor (304) is installed on the support (12).

4. The PTA industrial production water recycling device according to claim 1, characterized in that: The backflush assembly (4) comprises a water storage tank (401), the water storage tank (401) is connected with a booster pump (402) through a pipeline, the outlet of the booster pump (402) is connected with a drain pipe (403) through a pipeline, and the drain pipe (403) is provided with equally spaced spray heads (404) at the position corresponding to the filter disc (2).

5. The PTA industrial production water recycling device according to claim 4, characterized in that: The top of the water storage tank (401) is provided with a water inlet (13), and the front side of the water storage tank (401) is provided with a first liquid level window (14).

6. The PTA industrial production water recycling device according to claim 1, characterized in that: The overflow assembly (5) comprises an overflow port (501) installed on the left side of the processing bin (1), the height of the overflow port (501) is equal to the height of the center position of the filter disc (2), the overflow port (501) is connected with an overflow pipe (502), the overflow pipe (502) is connected with a water collecting tank (503), the water collecting tank (503) is arranged below the processing bin (1), and the front side of the water collecting tank (503) is provided with a second liquid level window (504).

7. The PTA industrial production water recycling device according to claim 6, characterized in that: The left side of the water collecting tank (503) is connected with a water suction pipe (15) near the bottom, the water suction pipe (15) is connected with the water inlet pipe (7), and the water suction pipe (15) is provided with a valve (16).

8. The PTA industrial production water recycling device according to claim 6, characterized in that: The processing bin (1) is fixedly connected with four corresponding support legs (17), and the support legs (17) are fixedly connected with the water collecting tank (503).

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