Electroplating wastewater multi-stage recycling treatment device

Abstract

The utility model relates to the related technical field of purification devices, in particular to a multi-stage recycling treatment device for electroplating wastewater, which comprises a wastewater reservoir, a filtering mechanism is arranged on the surface of one side of the wastewater reservoir, and a water purification mechanism is arranged on the surface of one side of a pretreated water reservoir. According to the multi-stage recycling treatment device for the electroplating wastewater, through the arrangement of a first water inlet pipe, a filter screen, a gasket, a fixed shell, a first water pump and a first water outlet pipe, when the multi-stage recycling treatment device is used, the first water pump is started to pump out the wastewater and discharge the wastewater into a pretreated water reservoir, and at the moment, flocculent precipitates generated in the wastewater reservoir can be blocked on the outer side of the first water inlet pipe by the filter screen; a second water pump is started, the wastewater in the pretreated water storage tank is pumped out and discharged into the purifier shell through the activated carbon shell by virtue of a connecting pipe, and at the moment, unreacted organic matters and heavy metals in the wastewater can be adsorbed to the inner side surface of the activated carbon shell for secondary utilization.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater reuse, in particular to a multi-stage reuse treatment device for electroplating wastewater. Background Technique

[0002] Wastewater reuse generally refers to the appropriate treatment of wastewater to make it meet the water quality standards for reuse. Usually, after appropriate treatment, wastewater can be used for flushing toilets, cleaning roads, agricultural irrigation, and as landscape and recreational water and industrial water, etc. The electroplating wastewater generated by the electroplating industry is often huge. The water quality and quantity of electroplating wastewater are related to factors such as the technological conditions, production load, operation management, and water use mode of electroplating production. The water quality of electroplating wastewater is complex and the components are not easy to control. It contains heavy metal ions such as chromium, cadmium, nickel, copper, zinc, gold, silver, and cyanide, etc. Some are highly toxic substances that can cause cancer, birth defects, and mutations. Therefore, in order to better reuse wastewater, there is a particular need for a multi-stage reuse treatment device for electroplating wastewater.

[0003] However, most of the existing wastewater reuse treatment devices do not have the effect of multiple filtration and purification. Moreover, during long-term operation, the treatment of trace elements in electroplating wastewater is too complicated, which will inevitably affect the work efficiency. Content of the Utility Model

[0004] The purpose of the utility model is to provide a multi-stage reuse treatment device for electroplating wastewater to solve the problems in the above-mentioned background technique that most of the existing wastewater reuse treatment devices do not have the effect of multiple filtration and purification, and during long-term operation, the treatment of trace elements in electroplating wastewater is too complicated, which will inevitably affect the work efficiency.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A multi-stage reuse treatment device for electroplating wastewater, including a wastewater storage tank, a filtration mechanism is arranged on one side surface of the wastewater storage tank, a pre-treated water storage tank is installed on one side surface of the wastewater storage tank, a water purification mechanism is arranged on one side surface of the pre-treated water storage tank, and a purified water tank is installed on one side surface of the pre-treated water storage tank;

[0006] The filtration mechanism includes a first water inlet pipe, a filter screen, a gasket, a fixed shell, a first water pump, and a first water outlet pipe. The first water inlet pipe is installed on the inner side surface of the wastewater storage tank, the filter screen is fixedly connected to one side surface of the first water inlet pipe, the gasket is fixedly connected to one side surface of the filter screen, the fixed shell is fixedly connected to one side surface of the gasket, the first water pump is fixedly connected to one end surface of the first water inlet pipe, and the first water outlet pipe is fixedly connected to one side surface of the first water pump.

[0007] Preferably, the outer wall size of the filter screen coincides with the outer wall size of the gasket, and the outer wall size of the filter screen matches the inner wall size of the fixed shell.

[0008] Preferably, the outer wall size of the filter screen coincides with the outer wall size of the first water inlet pipe, and the first water inlet pipe is threadedly connected to the fixed shell.

[0009] Preferably, the water purification mechanism includes a second water inlet pipe, a second water pump, a connecting pipe, a water purifier cover plate, an installation groove, an activated carbon outer shell, a threaded groove, a fixing ring, a water purifier outer shell, and a second water outlet pipe. The second water inlet pipe is installed on the inner surface of the pre-treated water storage tank. One end surface of the second water inlet pipe is fixedly connected to the second water pump. One side surface of the second water pump is fixedly connected to the connecting pipe. One end surface of the connecting pipe is fixedly connected to the water purifier cover plate. An installation groove is provided on one side surface of the water purifier cover plate. The inner surface of the installation groove is fixedly connected to the activated carbon outer shell. A threaded groove is provided on one side surface of the water purifier cover plate. The inner surface of the threaded groove is fixedly connected to the fixing ring. One side surface of the water purifier cover plate is fixedly connected to the water purifier outer shell. The second water outlet pipe is installed on one side surface of the water purifier outer shell.

[0010] Preferably, one end surface of the connecting pipe is fixedly connected to the second water pump, and the inner wall size of the installation groove matches the outer wall size of the activated carbon outer shell.

[0011] Preferably, the inner wall size of the fixing ring matches the outer wall size of the activated carbon outer shell, and the outer wall size of the water purifier cover plate coincides with the outer wall size of the water purifier outer shell.

[0012] Preferably, both the threaded groove and the installation groove are provided on one side surface of the water purifier cover plate, and the inner wall size of the threaded groove matches the outer wall size of the fixing ring.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: For the multi-stage recycling treatment device for electroplating wastewater, when in use, chemical reagents matching those in the wastewater storage tank are poured into the wastewater storage tank, and through stirring, flocculent precipitates are generated. At this time, the first water pump is started. The first water pump pumps out the wastewater through the first water inlet pipe and discharges it into the pre-treated water storage tank through the first water outlet pipe. At this time, the flocculent precipitates generated in the wastewater storage tank will be blocked outside the first water inlet pipe by the filter screen. When in use, the wastewater in the pre-treated water storage tank is initially decomposed by microorganisms, and then the second water pump is started. At this time, the second water pump pumps out the wastewater in the pre-treated water storage tank through the second water inlet pipe, and then discharges it into the interior of the purifier housing through the connecting pipe after passing through the activated carbon housing. At this time, the unreacted organic matters and heavy metals in the wastewater will be adsorbed on the inner surface of the activated carbon housing, while the wastewater that has been purified to meet the discharge standard will be discharged into the clean water tank through the second water outlet pipe for secondary utilization. This solves the problem that most of the existing wastewater recycling treatment devices in the above do not have the effect of multiple filtration and purification, and in the long-term operation, the treatment of trace elements in electroplating wastewater is too complicated, inevitably affecting the working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall external structure of the present utility model;

[0015] Figure 2 is a schematic diagram of the combined use structure of the first water inlet pipe and the first water pump of the present utility model;

[0016] Figure 3 is a schematic diagram of the purification mechanism structure of the present utility model;

[0017] Figure 4 For the present utility model Figure 2 is an enlarged schematic diagram of part A in the present utility model.

[0018] In the figure: 1. Wastewater storage tank; 2. Filtration mechanism; 201. First water inlet pipe; 202. Filter screen; 203. Gasket; 204. Fixed shell; 205. First water pump; 206. First water outlet pipe; 3. Pre-treated water storage tank; 4. Water purification mechanism; 401. Second water inlet pipe; 402. Second water pump; 403. Connecting pipe; 404. Purifier cover plate; 405. Installation groove; 406. Activated carbon housing; 407. Threaded groove; 408. Fixed ring; 409. Purifier housing; 410. Second water outlet pipe; 4. Clean water tank; DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figures 1-4 , the present invention provides a technical solution: a multi-stage reuse treatment device for electroplating wastewater, including a wastewater storage tank 1, a filtration mechanism 2 is arranged on one side surface of the wastewater storage tank 1, a pretreatment water storage tank 3 is installed on one side surface of the wastewater storage tank 1, a water purification mechanism 4 is arranged on one side surface of the pretreatment water storage tank 3, and a purified water tank 5 is installed on one side surface of the pretreatment water storage tank 3;

[0021] The filtration mechanism 2 includes a first water inlet pipe 201, a filter screen 202, a gasket 203, a fixed shell 204, a first water pump 205, and a first water outlet pipe 206. The first water inlet pipe 201 is installed on the inner side surface of the wastewater storage tank 1, the filter screen 202 is fixedly connected to one side surface of the first water inlet pipe 201, the gasket 203 is fixedly connected to one side surface of the filter screen 202, the fixed shell 204 is fixedly connected to one side surface of the gasket 203, the first water inlet pipe 201 is fixedly connected to one end surface of the first water pump 205, and the first water outlet pipe 206 is fixedly connected to one side surface of the first water pump 205. Through the setting of the first water inlet pipe 201, the filter screen 202, the gasket 203, the fixed shell 204, the first water pump 205, and the first water outlet pipe 206, when in use, gaskets 203 are fixed at both ends of the filter screen 202 and installed on one end surface of the first water inlet pipe 201 through the fixed shell 204. When in use, chemical reagents matching those in the wastewater storage tank 1 are poured into the wastewater storage tank 1, and flocculent precipitates are generated by stirring. At this time, the first water pump 205 is started, and the first water pump 205 pumps the wastewater through the first water inlet pipe 201 and discharges it to the pretreatment water storage tank 3 through the first water outlet pipe 206. At this time, the flocculent precipitates generated in the wastewater storage tank 1 will be blocked outside the first water inlet pipe 201 by the filter screen 202.

[0022] Furthermore, the outer wall size of the filter screen 202 is in line with the outer wall size of the gasket 203, and the outer wall size of the filter screen 202 is matched with the inner wall size of the fixed shell 204. Through the setting of the gasket 203, when in use, the gasket 203 can reduce the friction between the filter screen 202 and the first water inlet pipe 201 and the fixed shell 204. At the same time, the gasket 203 also improves the sealing performance of the device.

[0023] Further, the outer wall size of the filter screen 202 matches the outer wall size of the first water inlet pipe 201. The first water inlet pipe 201 is threadedly connected to the fixed shell 204. Through the setting of the filter screen 202, during use, the floc precipitate will be blocked outside the first water inlet pipe 201 by the filter screen 202.

[0024] Further, the water purification mechanism 4 includes a second water inlet pipe 401, a second water pump 402, a connecting pipe 403, a water purifier cover plate 404, an installation groove 405, an activated carbon outer shell 406, a threaded groove 407, a fixing ring 408, a water purifier outer shell 409, and a second water outlet pipe 410. The inner surface of the pretreatment water storage tank 3 is provided with the second water inlet pipe 401. One end surface of the second water inlet pipe 401 is fixedly connected to the second water pump 402. One side surface of the second water pump 402 is fixedly connected to the connecting pipe 403. One end surface of the connecting pipe 403 is fixedly connected to the water purifier cover plate 404. One side surface of the water purifier cover plate 404 is provided with the installation groove 405. The inner surface of the installation groove 405 is fixedly connected to the activated carbon outer shell 406. One side surface of the water purifier cover plate 404 is provided with the threaded groove 407. The inner surface of the threaded groove 407 is fixedly connected to the fixing ring 408. One side surface of the water purifier cover plate 404 is fixedly connected to the water purifier outer shell 409. One side surface of the water purifier outer shell 409 is provided with the second water outlet pipe 410. Through the setting of the second water inlet pipe 401, the second water pump 402, the connecting pipe 403, the water purifier cover plate 404, the installation groove 405, the activated carbon outer shell 406, the threaded groove 407, the fixing ring 408, the water purifier outer shell 409, and the second water outlet pipe 410, during use, the activated carbon outer shell 406 is fixed to one side surface of the water purifier cover plate 404 through the fixing ring 408, and then the water purifier cover plate 404 is fixed to one side surface of the water purifier outer shell 409 through bolts. During use, the wastewater in the pretreatment water storage tank 3 is preliminarily decomposed by microorganisms, and then the second water pump 402 is started. At this time, the second water pump 402 pumps out the wastewater in the pretreatment water storage tank 3 through the second water inlet pipe 401, and then discharges it into the interior of the purifier outer shell 409 through the connecting pipe 403 and the activated carbon outer shell 406. At this time, the unreacted organic substances and heavy metals in the wastewater will be adsorbed to the inner surface of the activated carbon outer shell 406, and the purified wastewater that meets the discharge standard will be discharged into the clean water tank 5 through the second water outlet pipe 410 for secondary use.

[0025] Further, one end surface of the connecting pipe 403 is fixedly connected to the second water pump 402. The inner wall size of the installation groove 405 matches the outer wall size of the activated carbon outer shell 406. Through the setting of the activated carbon outer shell 406, during use, the unreacted organic substances and heavy metals in the wastewater will be adsorbed to the inner surface of the activated carbon outer shell 406, and at the same time, the activated carbon outer shell 406 can also remove the peculiar smell contained in the wastewater.

[0026] Further, the inner wall size of the fixing ring 408 matches the outer wall size of the activated carbon outer shell 406, and the outer wall size of the water purifier cover plate 404 matches the outer wall size of the water purifier outer shell 409. Through the setting of the fixing ring 408, during use, the fixing ring 408 can fix the activated carbon outer shell 406 on one side surface of the water purifier cover plate 404, preventing it from falling off and affecting the working efficiency.

[0027] Further, the threaded groove 407 and the installation groove 405 are both formed on one side surface of the water purifier cover plate 404. The inner wall size of the threaded groove 407 matches the outer wall size of the fixing ring 408. The setting of the water purifier cover plate 404 provides the necessary space for subsequent installation during use, and at the same time facilitates the replacement and cleaning of the activated carbon outer shell 406.

[0028] Working principle: During use, gaskets 203 are fixed at both ends of the filter screen 202 and installed on one end surface of the first water inlet pipe 201 through the fixing shell 204. During use, chemical reagents matching those in the wastewater storage tank 1 are poured into the wastewater storage tank 1 and stirred to generate flocculent precipitates. At this time, the first water pump 205 is started. The first water pump 205 pumps out the wastewater through the first water inlet pipe 201 and discharges it into the pretreatment water storage tank 3 through the first water outlet pipe 206. At this time, the flocculent precipitates generated in the wastewater storage tank 1 will be blocked outside the first water inlet pipe 201 by the filter screen 202. During use, the activated carbon outer shell 406 is fixed on one side surface of the water purifier cover plate 404 through the fixing ring 408, and then the water purifier cover plate 404 is fixed on one side surface of the water purifier outer shell 409 by bolts. During use, the wastewater in the pretreatment water storage tank 3 is initially decomposed by microorganisms, and then the second water pump 402 is started. At this time, the second water pump 402 pumps out the wastewater in the pretreatment water storage tank 3 through the second water inlet pipe 401, and then discharges it into the interior of the purifier outer shell 409 through the connecting pipe 403 after passing through the activated carbon outer shell 406. At this time, the unreacted organic substances and heavy metals in the wastewater will be adsorbed on the inner side surface of the activated carbon outer shell 406, and the purified wastewater meeting the discharge standard will be discharged into the water purification tank 5 through the second water outlet pipe 410 for secondary utilization.

[0029] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-stage recycling treatment device for electroplating wastewater, comprising a wastewater storage tank (1), characterized in that: On one side surface of the wastewater storage tank (1), a filtering mechanism (2) is provided. On one side surface of the wastewater storage tank (1), a pre-treated water storage tank (3) is installed. On one side surface of the pre-treated water storage tank (3), a water purification mechanism (4) is provided. On one side surface of the pre-treated water storage tank (3), a purified water tank (5) is installed; The filtering mechanism (2) includes a first water inlet pipe (201), a filter screen (202), a gasket (203), a fixed shell (204), a first water pump (205), and a first water outlet pipe (206). The first water inlet pipe (201) is installed on the inner side surface of the wastewater storage tank (1). One side surface of the first water inlet pipe (201) is fixedly connected to the filter screen (202). One side surface of the filter screen (202) is fixedly connected to the gasket (203). One side surface of the gasket (203) is fixedly connected to the fixed shell (204). One end surface of the first water inlet pipe (201) is fixedly connected to the first water pump (205). One side surface of the first water pump (205) is fixedly connected to the first water outlet pipe (206).

2. The multi-stage recycling treatment device for electroplating wastewater according to claim 1, wherein: The outer wall size of the filter screen (202) coincides with the outer wall size of the gasket (203), and the outer wall size of the filter screen (202) matches the inner wall size of the fixed shell (204).

3. The multi-stage recycling treatment device for electroplating wastewater according to claim 1, characterized in that: The outer wall size of the filter screen (202) coincides with the outer wall size of the first water inlet pipe (201), and the first water inlet pipe (201) is threadedly connected to the fixed shell (204).

4. A multi-stage recycling treatment device for electroplating wastewater according to claim 1, characterized in that: The water purification mechanism (4) includes a second water inlet pipe (401), a second water pump (402), a connecting pipe (403), a water purifier cover plate (404), an installation groove (405), an activated carbon outer shell (406), a threaded groove (407), a fixing ring (408), a water purifier outer shell (409), and a second water outlet pipe (410). The second water inlet pipe (401) is installed on the inner side surface of the pre-treated water storage tank (3). One end surface of the second water inlet pipe (401) is fixedly connected to the second water pump (402). One side surface of the second water pump (402) is fixedly connected to the connecting pipe (403). One end surface of the connecting pipe (403) is fixedly connected to the water purifier cover plate (404). An installation groove (405) is formed on one side surface of the water purifier cover plate (404). The activated carbon outer shell (406) is fixedly connected to the inner side surface of the installation groove (405). A threaded groove (407) is formed on one side surface of the water purifier cover plate (404). The fixing ring (408) is fixedly connected to the inner side surface of the threaded groove (407). The water purifier cover plate (404) is fixedly connected to the water purifier outer shell (409). The second water outlet pipe (410) is installed on one side surface of the water purifier outer shell (409).

5. The multi-stage recycling treatment device for electroplating wastewater according to claim 4, wherein: One end surface of the connecting pipe (403) is fixedly connected to the second water pump (402), and the inner wall size of the installation groove (405) matches the outer wall size of the activated carbon outer shell (406).

6. The electroplating wastewater multi-stage recycling treatment device according to claim 4, wherein: The inner wall size of the fixing ring (408) matches the outer wall size of the activated carbon outer shell (406), and the outer wall size of the water purifier cover plate (404) coincides with the outer wall size of the water purifier outer shell (409).

7. A multi-stage recycling treatment device for electroplating wastewater according to claim 4, characterized in that: The thread groove (407) and the installation groove (405) are both opened on one side surface of the water purifier cover plate (404), and the inner wall size of the thread groove (407) matches the outer wall size of the fixing ring (408).

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