Purifying and recycling device for chromium-containing wastewater

Abstract

The utility model relates to the technical field of wastewater treatment, and discloses a chromium-containing wastewater purifying and recycling device which comprises a treatment box, an arc-shaped groove is formed in the top end of a straight groove, a baffle is rotationally arranged at the side end of the straight groove, and a filtering mechanism is arranged at the position, located at the bottom end of a partition plate, of the inner side end of the treatment box. Through the arrangement of the stirring mechanism, the chromium wastewater and a reactant are fully fused and reacted, the impact force of chromium element precipitate mixed water on the filtering mechanism is dispersed through the flow dividing mechanism, and the chromium element precipitate mixed water is filtered out through the filtering mechanism, so that the chromium element precipitate mixed water is filtered out through the filtering mechanism. The service life of the filtering mechanism is prolonged, chromium element precipitate mixed water can be filtered through the filtering mechanism, and the rotating mechanism can drive the cleaning mechanism to scrape and clean chromium element precipitates at the top end of the filtering mechanism so as to collect the chromium element precipitates, so that the phenomenon that the precipitates are accumulated to block the filtering mechanism is avoided, and the filtering effect of the filtering mechanism is prevented from being influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater treatment technical field, specifically, relate to a kind of purification and reuse device of chromium-containing wastewater. BACKGROUND

[0002] With the development of China's industry, the corresponding industrial waste is more and more, like mine, smelting, electrolysis, electroplating, pesticide, pharmaceutical, paint and pigment enterprises discharged wastewater is basically heavy metal wastewater, and in heavy metal wastewater, high concentration chromium-containing wastewater is more harmful to human body, human body will cause chromium skin ulcer, chromium dermatitis and eczema, chromium rhinitis and even systemic poisoning if contacting high concentration chromium-containing wastewater, so it is particularly important to treat and purify high concentration chromium-containing wastewater.

[0003] The existing chromium-containing wastewater treatment and purification reuse device is generally added with a reaction agent to react with chromium elements during use, so that the chromium elements are precipitated, and then the chromium elements are filtered to remove the chromium elements in the wastewater. However, after the chromium elements are precipitated, the precipitates will block the filter screen during filtration, thereby affecting the filtering effect of the filter screen. Therefore, a chromium-containing wastewater purification and reuse device is needed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of purification and reuse device of chromium-containing wastewater, solve the problem that the existing chromium-containing wastewater treatment and purification reuse device in prior art is generally added with a reaction agent to react with chromium elements during use, so that the chromium elements are precipitated, and then the chromium elements are filtered to remove the chromium elements in the wastewater. However, after the chromium elements are precipitated, the precipitates will block the filter screen during filtration, thereby affecting the filtering effect of the filter screen.

[0005] The utility model provides the following technical scheme: a kind of purification and reuse device of chromium-containing wastewater, including treatment box, the inside side end of the treatment box is fixedly connected with baffle, the side end of the treatment box is equipped with two groups of sealing door, the top of the treatment box is fixedly connected with inlet pipe and charging pipe, the side end of the treatment box is equipped with through groove, the inside top of the treatment box is equipped with stirring mechanism, the inside side end of the treatment box is equipped with straight groove, the top of the straight groove is equipped with arc slot, the side end of the straight groove is rotatably provided with baffle, the bottom of the baffle is equipped with shunt mechanism, the inside side end of the treatment box is located the bottom of baffle and is equipped with filter mechanism, the outside side end of the treatment box is equipped with rotating mechanism near through groove, the side end of the rotating mechanism is equipped with cleaning mechanism.

[0006] As the preferred technical scheme of the above, the filtering mechanism comprises a sliding groove plate one, a sliding groove plate two and a sliding groove plate three, the sliding groove plate one, the sliding groove plate two and the sliding groove plate three are fixedly connected to the inner side end of the processing box, the sliding groove plate one, the sliding groove plate two and the sliding groove plate three are spaced apart, a filter plate is slidably connected between the sliding groove plate one and the sliding groove plate two, a filter frame is slidably connected between the sliding groove plate two and the sliding groove plate three, and a limiting assembly is arranged at the side end of the sliding groove plate two.

[0007] As the preferred technical scheme of the above, the limiting assembly comprises a lower groove plate and an upper groove plate, the lower groove plate is fixedly connected to the side end of the filter plate, the upper groove plate is fixedly connected to the side end of the filter frame, and a clamping plate is rotatably arranged at the side end of the sliding groove plate two.

[0008] As the preferred technical scheme of the above, the rotating mechanism comprises two groups of fixing frames, the two groups of fixing frames are fixedly connected to the side end of the processing box, a motor two is fixedly installed at the side end of the right fixing frame, a screw rod is installed at the output end of the motor two, the side end of the screw rod is rotatably arranged at the side end of the left fixing frame, and a screw sleeve is threadedly connected to the outer end of the screw rod.

[0009] As the preferred technical scheme of the above, the cleaning mechanism comprises an outer plate, the outer plate is fixedly connected to the side end of the screw sleeve, the outer plate penetrates into the penetrating groove, an empty groove is formed in the inner portion of the outer plate, a spring is fixedly connected to the inner top end of the empty groove, a rectangular plate is fixedly connected to the bottom end of the spring, a scraping plate is fixedly connected to the bottom end of the rectangular plate, the scraping plate penetrates to the outer bottom end of the outer plate, a sliding rod is fixedly connected to the side end of the scraping plate, and the sliding rod is slidably connected in the straight groove.

[0010] As the preferred technical scheme of the above, the shunting mechanism comprises a drain valve pipe, the drain valve pipe is fixedly connected to the bottom end of the partition plate, a shunt empty plate is fixedly connected to the bottom end of the drain valve pipe, and a plurality of water outlets are formed in the side end of the shunt empty plate.

[0011] As the preferred technical scheme of the above, the stirring mechanism comprises a motor one, the motor one is fixedly installed at the outer top end of the processing box, a stirring rod is installed at the output end of the motor one, the stirring rod penetrates into the inner portion of the processing box, and a plurality of stirring blades are fixedly connected to the side end of the stirring rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model discloses a setting stirring mechanism, the rotation of starting motor no. 1 drive stirring rod and stirring vane makes chromium waste water and reagent fully melt and react, and the impact force of the chromium element precipitate mixed water to the filtering mechanism is dispersed through the shunt mechanism, improves the service life of filtering mechanism, and the chromium element precipitate mixed water can be filtered through the filtering mechanism, and the rotation mechanism can drive the cleaning mechanism to scrape and clean the chromium element precipitate at the top of filtering mechanism, makes it be collected, thereby avoiding the filter mechanism to be blocked by the accumulation of precipitate, avoids the influence to the filtering effect of filtering mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a kind of purification and reuse device's front view internal structure schematic view of chromium-containing wastewater;

[0015] Figure 2 It is a kind of purification and reuse device's three-dimensional internal structure schematic view of chromium-containing wastewater;

[0016] Figure 3 It is Figure 1 The partial enlarged structure schematic view of A;

[0017] Figure 4 It is a kind of purification and reuse device's rear view three-dimensional structure schematic view of chromium-containing wastewater;

[0018] Figure 5 It is a kind of purification and reuse device's sectional side end structure schematic view of chromium-containing wastewater.

[0019] In the drawing: 1, processing box;101, partition;102, sealing door;103, water inlet pipe;104, feeding pipe;105, straight slot;106, arc slot;107, baffle;108, through slot;2, stirring mechanism;201, motor one;202, stirring rod;203, stirring vane;3, shunt mechanism;301, lower valve pipe;302, shunt air board;303, water outlet;4, filtering mechanism;401, sliding groove plate one;402, sliding groove plate two;403, sliding groove plate three;404, filter plate;405, filter frame;5, limiting assembly;501, lower groove plate;502, upper groove plate;503, clamping plate;6, rotation mechanism;601, fixed frame;602, motor two;603, screw;604, screw sleeve;7, cleaning mechanism;701, outer plate;702, air slot;703, spring;704, rectangular plate;705, scraper;706, sliding rod. DETAILED DESCRIPTION

[0020] The technical scheme in the utility model embodiment will be described clearly and completely in connection with the drawings in the utility model embodiment.

[0021] As Figures 1-5As shown, the utility model provides a technical scheme: a kind of purification and reuse device of chromium-containing wastewater, including processing box 1, the inside side end of processing box 1 is fixedly connected with baffle 101, the side end of processing box 1 is equipped with two groups of sealing door 102, the top of processing box 1 is fixedly connected with water inlet pipe 103 and feeding pipe 104, the setting of the feed pipe is convenient for the chromium wastewater into processing box 1, the setting of feeding pipe 104 can add reagent at this time, the side end of processing box 1 is equipped with through groove 108, the inside top of processing box 1 is equipped with stirring mechanism 2, stirring mechanism 2 includes motor one 201, motor one 201 is fixedly installed at the outside top of processing box 1, the output end of motor one 201 is equipped with stirring rod 202, stirring rod 202 is penetrated to processing box 1 inside, the side end of stirring rod 202 is fixedly connected with a plurality of stirring blades 203, the setting of stirring mechanism 2, start motor one 201 drives stirring rod 202 and stirring blade 203 to rotate, so that chromium wastewater and reagent are fully fused and react, at this time, there will be chromium element precipitate, the inside side end of processing box 1 is equipped with straight groove 105, the top of straight groove 105 is equipped with arc groove 106, the side end of straight groove 105 is rotatably provided with baffle 107, the bottom of baffle 101 is equipped with shunt mechanism 3, the inside side end of processing box 1 is located at the bottom of baffle 101 and is equipped with filter mechanism 4 for filtering chromium element precipitate, shunt mechanism 3 disperses the impact force of chromium element precipitate mixed water on filter mechanism 4, improves the service life of filter mechanism 4, the outside side end of processing box 1 is equipped with rotating mechanism 6 near the position of through groove 108, the side end of rotating mechanism 6 is equipped with cleaning mechanism 7, rotating mechanism 6 can drive cleaning mechanism 7 to scrape and clean the chromium element precipitate on the top of filter mechanism 4, so that it is collected, thereby avoiding the accumulation of precipitate to block filter mechanism 4, avoid affecting the filtering effect of filter mechanism 4.

[0022] As one embodiment in the present embodiment, as shown in Figure 2 As shown, shunt mechanism 3 includes drain valve pipe 301, drain valve pipe 301 is fixedly connected at the bottom of baffle 101, drain valve pipe is equipped with solenoid valve, for controlling the opening or closing of drain valve pipe, the bottom of drain valve pipe 301 is fixedly connected with shunt air plate 302, a plurality of water outlets 303 are formed in the side end of shunt air plate 302, in the implementation, the drain valve pipe is opened by the opening of solenoid valve, so that chromium element precipitate mixed water can flow into shunt air plate 302, then again from each water outlet 303 shunt to the top of filter mechanism 4, due to the setting of shunt air plate 302, avoid the chromium element precipitate mixed water to concentrate and fall on the top of filter mechanism 4 to cause greater impact on filter mechanism 4, can disperse the impact force of chromium element precipitate mixed water on filter mechanism 4, improve the service life of filter mechanism 4.

[0023] As one embodiment in the present embodiment, as shown in Figure 2 And Figure 3As shown, the filtering mechanism 4 comprises a chute plate one 401, a chute plate two 402 and a chute plate three 403, all of which are fixedly connected to the inner side end of the treatment box 1, are arranged at intervals, and are slidably connected with a filter plate 404 between the chute plate one 401 and the chute plate two 402 and a filter frame 405 between the chute plate two 402 and the chute plate three 403. The side end of the chute plate two 402 is provided with a limiting assembly 5. The limiting assembly 5 comprises a lower chute plate 501 and an upper chute plate 502, the lower chute plate 501 being fixedly connected to the side end of the filter plate 404, and the upper chute plate 502 being fixedly connected to the side end of the filter frame 405. The side end of the chute plate two 402 is rotatably provided with a clamping plate 503. In implementation, the filter plate 404 and the filter frame 405 filter the mixed water of the chromium element precipitate, at this time the chromium element precipitate is filtered to the top end of the filter plate 404 and the inside of the filter frame 405, at this time the treated water can be discharged from the water outlet valve pipe at the bottom side end of the treatment box 1, so as to purify the chromium wastewater, facilitate the subsequent recycling of water resources, and facilitate the subsequent treatment of the water in the treatment box 1. After the water in the treatment box 1 is discharged, the sealing door 102 is opened, the clamping plate 503 is rotated to be separated from the lower chute plate 501 and the upper chute plate 502, at this time the filter plate 404 and the filter frame 405 can be conveniently disassembled, replaced or maintained, the filter frame 405 is convenient for disassembling and cleaning the inside precipitate, and the setting of the filter frame 405 can avoid the filter screen being blocked by the precipitate.

[0024] As an embodiment in the present embodiment, as Figure 1 、 Figure 4 and Figure 5As shown, the rotating mechanism 6 comprises two groups of fixed frames 601 fixedly connected at the side ends of the processing box 1, the side end of the right fixed frame 601 is fixedly installed with a motor 602, the output end of the motor 602 is installed with a screw rod 603, the side end of the screw rod 603 is rotatably arranged at the side end of the left fixed frame 601, and the outer end of the screw rod 603 is threadedly connected with a screw sleeve 604; the cleaning mechanism 7 comprises an outer plate 701 fixedly connected at the side end of the screw sleeve 604, the outer plate 701 penetrates into the through groove 108, the inner part of the outer plate 701 is provided with an empty groove 702, the inner top end of the empty groove 702 is fixedly connected with a spring 703, the bottom end of the spring 703 is fixedly connected with a rectangular plate 704, the bottom end of the rectangular plate 704 is fixedly connected with a scraper 705, the scraper 705 penetrates to the outer bottom end of the outer plate 701, the side end of the scraper 705 is fixedly connected with a sliding rod 706, and the sliding rod 706 is slidingly connected in the straight groove 105. In the implementation, the motor 602 is started to drive the screw rod 603 to rotate, at this time, due to the limitation of the through groove 108, the screw sleeve 604 and the outer plate 701 can translate along the through groove 108 at the outer end of the screw rod 603, at this time, when the scraper 705 moves to the side end of the baffle 107, the sliding rod 706 will move up against the baffle 107, at this time, the scraper 705 can be driven to scrape and clean the precipitate on the top end of the filter plate 404 into the filter frame 405 for collection, when the sliding rod 706 does not contact the baffle 107, the baffle 107 will be vertically overlapped on the bottom end of the straight groove 105 due to gravity, at this time, when the screw rod 603 reverses, the scraper 705 will be driven to translate to the left, at this time, the sliding rod 706 will be lifted up through the top end of the baffle 107, at this time, the scraper 705 will be driven to move up without contacting the filter plate 404, the sliding rod 706 will move along the arc-shaped groove 106, at this time, the scraper 705 will move up to make the rectangular plate 704 press against the spring 703 to contract, when the sliding rod 706 moves to the leftmost end of the arc-shaped groove 106, the spring 703 will rebound to drive the scraper 705 to move down, so that the scraper 705 is located at the top end of the filter plate 404 and the sliding rod 706 is located in the straight groove 105, at this time, the precipitate on the top end of the filter plate 404 can be scraped and cleaned again, avoiding that the precipitate is scraped to the left side when the scraper 705 moves to the left, so that the precipitate is not completely cleaned, thus avoiding that the filter plate 404 is blocked by the precipitate accumulation, and avoiding affecting the filtering effect of the filter plate 404.

[0025] Working principle: through the setting of the feed pipe, the chromium wastewater is conveniently discharged into the treatment box 1, at this time, through the setting of the feeding pipe 104, the reaction agent can be added, through the setting of the stirring mechanism 2, the motor 201 is started to drive the stirring rod 202 and the stirring blade 203 to rotate, so that the chromium wastewater and the reaction agent are fully mixed and reacted, at this time, the chromium element precipitate is generated, at this time, the electromagnetic valve is opened to open the discharge valve pipe, so that the chromium element precipitate mixed water can flow into the distribution air plate 302, and then be distributed to the top end of the filter plate 404 from each water outlet 303, due to the setting of the distribution air plate 302, the impact of the chromium element precipitate mixed water on the filter plate 404 is dispersed, the service life of the filter plate 404 is improved, then the filter plate 404 and the filter frame 405 filter the chromium element precipitate mixed water, at this time, the chromium element precipitate is filtered to the top end of the filter plate 404 and the filter frame 405, at this time, the treated water can be discharged from the water outlet valve pipe at the bottom side end of the treatment box 1, so that the chromium wastewater can be treated and purified, and the subsequent recycling of water resources is facilitated.

[0026] Then, the motor 602 is started to drive the screw rod 603 to rotate, at this time, due to the limitation of the through groove 108, the screw sleeve 604 and the outer plate 701 can translate along the through groove 108 at the outer end of the screw rod 603, at this time, when the scraper 705 moves to the side end of the baffle 107, the sliding rod 706 is lifted up against the baffle 107, at this time, the scraper 705 can be driven to scrape and clean the precipitate on the top end of the filter plate 404 into the filter frame 405, when the sliding rod 706 does not contact the baffle 107, the baffle 107 is lowered and lapped on the bottom end of the straight groove 105 due to gravity, at this time, when the screw rod 603 is reversed, the scraper 705 is driven to translate to the left, at this time, the sliding rod 706 is lifted up through the top end of the baffle 107, at this time, the scraper 705 is driven to move up and no longer contacts the filter plate 404, the sliding rod 706 moves along the arc-shaped groove 106, at this time, the scraper 705 moves up to make the rectangular plate 704 press the spring 703 to contract, when the sliding rod 706 moves to the leftmost end of the arc-shaped groove 106, the spring 703 rebounds to drive the scraper 705 to move down, so that the scraper 705 is located on the top end of the filter plate 404, and the sliding rod 706 is located in the straight groove 105, at this time, the precipitate on the top end of the filter plate 404 can be scraped and cleaned again, so that the precipitate is not scraped to the left when the scraper 705 moves to the left, thereby avoiding that the precipitate is not completely cleaned, and thus avoiding that the filter plate 404 is blocked by the precipitate accumulation, and avoiding affecting the filtering effect of the filter plate 404.

[0027] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit them.

Claims

1. A purification and reuse device for chromium-containing wastewater, comprising a treatment tank (1), wherein a partition (101) is fixedly connected to the inner side of the treatment tank (1), two sets of sealing doors (102) are installed on the side of the treatment tank (1), an inlet pipe (103) and a feeding pipe (104) are fixedly connected to the top of the treatment tank (1), a through groove (108) is provided on the side of the treatment tank (1), and a stirring mechanism (2) is provided at the top of the inner side of the treatment tank (1), characterized in that: The inner side end of the processing box (1) is provided with a straight groove (105), the top end of the straight groove (105) is provided with an arc-shaped groove (106), the side end of the straight groove (105) is rotatably provided with a baffle (107), the bottom end of the partition plate (101) is provided with a shunt mechanism (3), the inner side end of the processing box (1) located at the bottom end of the partition plate (101) is provided with a filtering mechanism (4), and the outer side end of the processing box (1) is provided with a rotating mechanism (6) near the position of the through groove (108).

2. The apparatus for purifying and recycling chromium-containing wastewater according to claim 1, characterized in that: The filtering mechanism (4) comprises a sliding groove plate one (401), a sliding groove plate two (402) and a sliding groove plate three (403), the sliding groove plate one (401), the sliding groove plate two (402) and the sliding groove plate three (403) are all fixedly connected to the inner side end of the processing box (1), the sliding groove plate one (401), the sliding groove plate two (402) and the sliding groove plate three (403) are spaced apart, the sliding groove plate one (401) and the sliding groove plate two (402) are slidably connected with a filter plate (404), the sliding groove plate two (402) and the sliding groove plate three (403) are slidably connected with a filter frame (405), and the side end of the sliding groove plate two (402) is provided with a limiting component (5).

3. The apparatus for purifying and recycling chromium-containing wastewater according to claim 2, characterized in that: The limiting component (5) comprises a lower groove plate (501) and an upper groove plate (502), the lower groove plate (501) is fixedly connected to the side end of the filter plate (404), the upper groove plate (502) is fixedly connected to the side end of the filter frame (405), and the side end of the sliding groove plate two (402) is rotatably provided with a clamping plate (503).

4. The apparatus for purifying and recycling chromium-containing wastewater according to claim 1, characterized in that: The rotating mechanism (6) comprises two groups of fixing frames (601), the two groups of fixing frames (601) are fixedly connected to the side ends of the processing box (1), the side end of the fixing frame (601) on the right side is fixedly installed with a motor two (602), the output end of the motor two (602) is installed with a screw rod (603), the side end of the screw rod (603) is rotatably arranged at the side end of the fixing frame (601) on the left side, and the outer end of the screw rod (603) is threadedly connected with a screw sleeve (604).

5. The apparatus for purifying and recycling chromium-containing wastewater according to claim 4, characterized in that: The cleaning mechanism (7) comprises an outer plate (701), the outer plate (701) is fixedly connected to the side end of the screw sleeve (604), the outer plate (701) penetrates into the through groove (108), the inner side of the outer plate (701) is provided with an empty groove (702), the inner top end of the empty groove (702) is fixedly connected with a spring (703), the bottom end of the spring (703) is fixedly connected with a rectangular plate (704), the bottom end of the rectangular plate (704) is fixedly connected with a scraper (705), the scraper (705) penetrates to the outer bottom end of the outer plate (701), the side end of the scraper (705) is fixedly connected with a sliding rod (706), and the sliding rod (706) is slidably connected in the straight groove (105).

6. The apparatus for purification and reuse of chromium-containing wastewater according to claim 1, characterized in that: The shunt mechanism (3) includes a drain valve pipe (301) fixedly connected to the bottom end of the partition plate (101), and a shunt air plate (302) fixedly connected to the bottom end of the drain valve pipe (301), wherein the side end of the shunt air plate (302) is provided with a plurality of water outlets (303).

7. The apparatus for purification and reuse of chromium-containing wastewater according to claim 1, characterized in that: The stirring mechanism (2) includes a motor one (201) fixedly installed at the external top end of the processing box (1), wherein the output end of the motor one (201) is installed with a stirring rod (202) penetrating into the processing box (1), and the side end of the stirring rod (202) is fixedly connected with a plurality of stirring blades (203).

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