Chemical wastewater treatment device

Abstract

The utility model provides a device for chemical wastewater treatment, which relates to the technical field of chemical wastewater treatment and comprises a sedimentation tank, fixing plates are fixedly mounted on two sides of the top of the sedimentation tank, a mixing tank is fixedly mounted between the fixing plates, and an adding mechanism is arranged at the top of the mixing tank. A double-shaft motor is fixedly mounted on the top of the mixing box and located on the inner side of the adding mechanism, and a mixing mechanism is arranged in the mixing box. The mixing mechanism is arranged to improve the mixing and stirring effect of the coagulant in the mixing tank, so that the uniformity of the coagulant in the chemical wastewater is improved, the use effect of the coagulant is improved, and the sedimentation effect of the chemical wastewater in the sedimentation tank is further improved; the adding mechanism is arranged to add the coagulant into the mixing box in a uniformly dispersed manner, so that the adding uniformity of the coagulant is improved, and the situation that the overall precipitation effect of the chemical wastewater is affected due to overhigh local coagulant concentration is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical wastewater treatment, in particular to a device for chemical wastewater treatment. Background Art

[0002] Chemical wastewater refers to process wastewater, cooling water, exhaust gas washing water, equipment and site flushing water, etc. discharged in chemical production. If these wastewaters are discharged without treatment, they will cause pollution of different properties and degrees in the water body, thus endangering human health and affecting industrial and agricultural production.

[0003] In the process of chemical wastewater treatment, it is necessary to introduce chemical wastewater into a sedimentation tank for sedimentation to remove floating objects in the chemical wastewater. Before the chemical wastewater is precipitated, a coagulant must be added to the chemical wastewater and stirred thoroughly. However, a single rod is generally used for mixing and stirring when stirring chemical wastewater, and the stirring performance is single, resulting in poor stirring effect for chemical wastewater. In addition, the coagulant is generally added to the chemical wastewater all at once, which can easily lead to excessive local concentration of the coagulant, which is not conducive to the uniform dispersion of the coagulant and affects the sedimentation effect of the chemical wastewater. Utility Model Content

[0004] The main purpose of the utility model is to provide a device for treating chemical wastewater, which can effectively solve the problems raised in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A device for treating chemical wastewater comprises a sedimentation tank, wherein fixing plates are fixedly installed on both sides of the top of the sedimentation tank, a mixing box is fixedly installed between the fixing plates, a adding mechanism is arranged on the top of the mixing box, a double-axis motor is fixedly installed on the top of the mixing box and on the inner side of the adding mechanism, and a mixing mechanism is arranged inside the mixing box.

[0007] Preferably, the mixing mechanism includes a rotating rod, which is fixedly connected to the output end of the bottom of the dual-axis motor, and the surface of the rotating rod is fixedly mounted with evenly distributed side frames, the inner side of the side frame is rotatably connected with a rebound hinge, a mixing rod is fixedly mounted on the surface of the rebound hinge, a connecting plate is fixedly mounted on the surface of the rebound hinge and away from the mixing rod, a transmission rod is movably connected to the top of the connecting plate, and the connecting plates are connected by transmission via the transmission rod, a vertical rod is fixedly mounted on the top of the transmission rod near the top of the inner cavity of the mixing box, a disc is fixedly mounted on the top of the inner cavity of the mixing box, and evenly distributed recesses are provided at the bottom of the disc, and the vertical rod is located at the bottom of the disc.

[0008] Preferably, a convex block is fixedly installed at the top of the vertical rod, and a ball is arranged at the top of the convex block, and the ball is in contact with the bottom of the disc.

[0009] Preferably, the adding mechanism includes an annular box which is fixedly installed on the top of the mixing box. A feeding pipe is communicated with the right side of the surface of the annular box, and a shut-off valve is arranged on the surface of the feeding pipe. The bottom of the annular box is communicated with uniformly distributed discharging pipes, and the bottoms of the discharging pipes extend into the interior of the mixing box.

[0010] Preferably, a threaded rod is fixedly installed at the output end of the top of the bi-axial motor. A top plate is arranged above the annular box. The top of the threaded rod penetrates through the top plate and is in threaded connection with the top plate. Uniformly distributed connecting rods are fixedly installed at the bottom of the top plate. The bottoms of the connecting rods extend into the interior of the annular box and fixedly install a sealing plate.

[0011] Preferably, the sealing plate is in sealed contact with the inner wall of the annular box, and the feeding pipe is located at the bottom of the sealing plate.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] By arranging a mixing mechanism to improve the mixing and stirring effect of the coagulant inside the mixing box, thereby improving the uniformity of the coagulant in the chemical wastewater, improving the use effect of the coagulant, and further improving the precipitation effect of the chemical wastewater inside the sedimentation tank. By arranging an adding mechanism to uniformly disperse and add the coagulant into the interior of the mixing box, improving the adding uniformity of the coagulant, and avoiding too high local concentration of the coagulant, which affects the overall precipitation effect of the chemical wastewater. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a three-dimensional schematic diagram of the overall structure in the utility model;

[0015] Figure 2 is a three-dimensional schematic diagram of the internal structure of the mixing box in the utility model;

[0016] Figure 3 is a three-dimensional schematic diagram of the mixing mechanism structure in the utility model;

[0017] Figure 4 is a partial three-dimensional schematic diagram of the mixing mechanism in the utility model Figure 1 ;

[0018] Figure 5 is a partial three-dimensional schematic diagram of the mixing mechanism in the utility model Figure 2 ;

[0019] Figure 6 is a three-dimensional schematic diagram of the adding mechanism structure in the utility model;

[0020] Figure 7 This is a schematic cross-sectional structure diagram of the annular box in the present utility model.

[0021] In the figure: 1, sedimentation tank; 2, mixing mechanism; 201, rotating rod; 202, side frame; 203, resilient hinge; 204, mixing rod; 205, connecting plate; 206, transmission rod; 207, vertical rod; 208, ball; 209, disc; 210, concave part; 3, adding mechanism; 301, annular box; 302, feeding pipe; 303, discharging pipe; 304, top plate; 305, threaded rod; 306, connecting rod; 307, sealing plate; 4, mixing tank; 5, double-shaft motor; 6, fixing plate. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] As Figure 1 —shown in Figure 2, a device for treating chemical industrial wastewater includes a sedimentation tank 1. Fixing plates 6 are fixedly installed on both sides of the top of the sedimentation tank 1. A mixing tank 4 is fixedly installed between the fixing plates 6. An adding mechanism 3 is arranged on the top of the mixing tank 4. A double-shaft motor 5 is fixedly installed inside the mixing tank 4 and on the inner side of the adding mechanism 3. A mixing mechanism 2 is arranged inside the mixing tank 4.

[0024] The effects achieved by the above components are as follows: By setting the mixing mechanism 2, the mixing and stirring effect of the coagulant inside the mixing tank 4 is improved, thereby improving the uniformity of the coagulant in the chemical industrial wastewater, improving the use effect of the coagulant, and further improving the sedimentation effect of the chemical industrial wastewater inside the sedimentation tank 1. By setting the adding mechanism 3, the coagulant is evenly dispersed and added into the mixing tank 4, improving the adding uniformity of the coagulant and avoiding too high local coagulant concentration, which affects the overall sedimentation effect of the chemical industrial wastewater.

[0025] As Figure 3As shown in FIG. 5 , the mixing mechanism 2 includes a rotating rod 201, which is fixedly connected to the output end at the bottom of the dual-axis motor 5. The surface of the rotating rod 201 is fixedly installed with evenly distributed side frames 202. The inner side of the side frame 202 is rotatably connected with a rebound hinge 203. A mixing rod 204 is fixedly installed on the surface of the rebound hinge 203. A connecting plate 205 is fixedly installed on the surface of the rebound hinge 203 away from the mixing rod 204. A transmission rod 206 is movably connected to the top of the connecting plate 205. The connecting plates 205 are connected to each other through the transmission rod 206. A vertical rod 207 is fixedly installed on the top of the transmission rod 206 near the top of the inner cavity of the mixing box 4. A disc 209 is fixedly installed on the top of the inner cavity of the mixing box 4. The bottom of the disc 209 is provided with evenly distributed recesses 210, and the vertical rod 207 is located at the bottom of the disc 209.

[0026] The effects achieved by the above components are as follows: by setting a dual-axis motor 5 to drive the rotating rod 201 to rotate, the rotating rod 201 drives the side frame 202 and the mixing rod 204 to rotate, and the mixing rod 204 mixes and stirs the coagulant inside the mixing box 4. When the side frame 202 rotates, it also drives the connecting plate 205 and the transmission rod 206 to rotate, and the transmission rod 206 drives the vertical rod 207 to rotate, and then the vertical rod 207 drives the ball 208 to rotate at the bottom of the disc 209. Under the action of the recess 210, the vertical rod 207 and the transmission rod 206 will be squeezed to move up and down, and then the transmission rod 206 drives the connecting plate 205 to swing up and down, and further drives the mixing rod 204 to swing back and forth, so that the mixing rod 204 swings back and forth while rotating, thereby improving the mixing and stirring effect of the mixing rod 204 on the coagulant.

[0027] like Figure 5 As shown, a protrusion is fixedly mounted on the top of the vertical rod 207 , and a ball 208 is arranged on the top of the protrusion, and the ball 208 contacts the bottom of the disc 209 .

[0028] The effect achieved by the above components is: by setting the ball 208 to reduce the friction between the vertical rod 207 and the disc 209, avoid jamming and poor transmission effect, which ultimately affects the up and down swinging effect of the mixing rod 204, and further affects the mixing and stirring effect of the coagulant in the chemical wastewater inside the mixing box 4.

[0029] like Figure 6 As shown in FIG. 7 , the adding mechanism 3 includes an annular box 301, which is fixedly installed on the top of the mixing box 4. The right side of the surface of the annular box 301 is connected to a feed pipe 302, and a shut-off valve is arranged on the surface of the feed pipe 302. The bottom of the annular box 301 is connected to evenly distributed discharge pipes 303, and the bottom of the discharge pipes 303 extends to the interior of the mixing box 4.

[0030] The effects achieved by the above components are as follows: By providing the feed pipe 302, it is convenient to add an appropriate amount of coagulant into the annular tank 301. Under the action of the discharge pipe 303, the coagulant inside the annular tank 301 is discharged and added into the mixing tank 4.

[0031] As Figure 6 —7 shows, the output end at the top of the dual-axis motor 5 is fixedly installed with a threaded rod 305. Above the annular tank 301, there is a top plate 304. The threaded rod 305 passes through the top plate 304 and is threadedly connected to the top plate 304. The bottom of the top plate 304 is fixedly installed with evenly distributed connecting rods 306. The bottom of the connecting rods 306 extends into the annular tank 301 and is fixedly installed with a sealing plate 307.

[0032] The effects achieved by the above components are as follows: Under the action of the dual-axis motor 5, the threaded rod 305 is driven to rotate. Then, the threaded rod 305 drives the top plate 304 to move up and down. When the top plate 304 moves downward, it will drive the connecting rod 306 and the sealing plate 307 to move downward, causing the sealing plate 307 to move downward inside the annular tank 301. The sealing plate 307 squeezes the coagulant inside the annular tank 301, so that the coagulant inside the annular tank 301 is evenly added into the mixing tank 4 through the discharge pipe 303, improving the uniformity of the coagulant addition and avoiding too high a concentration of coagulant in a local area, which affects the overall sedimentation effect of the chemical wastewater.

[0033] As Figure 7 shown, the sealing plate 307 is in sealing contact with the inner wall of the annular tank 301, and the feed pipe 302 is located at the bottom of the sealing plate 307.

[0034] The working principle of this chemical wastewater treatment device:

[0035] The dual-axis motor 5 drives the rotating rod 201 to rotate. Then, the rotating rod 201 drives the side frame 202 and the mixing rod 204 to rotate. The mixing rod 204 mixes and stirs the coagulant inside the mixing tank 4. When the side frame 202 rotates, it simultaneously drives the connecting plate 205 and the transmission rod 206 to rotate. The transmission rod 206 then drives the vertical rod 207 to rotate. Then, the vertical rod 207 drives the ball 208 to rotate at the bottom of the disc 209. Under the action of the concave part 210, the vertical rod 207 and the transmission rod 206 are squeezed to move up and down reciprocally. Then, the transmission rod 206 drives the connecting plate 205 to swing up and down reciprocally, further driving the mixing rod 204 to swing reciprocally, so that the mixing rod 204 swings reciprocally while rotating, improving the mixing and stirring effect of the mixing rod 204 on the coagulant;

[0036] Driven by the biaxial motor 5, the threaded rod 305 rotates. Further, the threaded rod 305 drives the top plate 304 to move up and down. When the top plate 304 moves downward, it drives the connecting rod 306 and the sealing plate 307 to move downward, so that the sealing plate 307 moves downward inside the annular box 301. The sealing plate 307 squeezes the coagulant inside the annular box 301, so that the coagulant inside the annular box 301 is evenly added into the mixing box 4 through the discharge pipe 303, improving the uniformity of the coagulant addition and avoiding too high concentration of the coagulant in a local area, which affects the overall precipitation effect of the chemical wastewater.

[0037] Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limitations on the implementation manners of the present invention. For those of ordinary skill in the art, other different forms of changes or variations can be made based on the above description. It is impossible to list all the implementation manners here. Any obvious changes or variations derived from the technical solutions of the present invention still fall within the protection scope of the present invention.

Claims

1. A chemical wastewater treatment device, comprising a sedimentation tank (1), characterized in that: Fixed plates (6) are fixedly installed on both sides of the top of the sedimentation tank (1), a mixing box (4) is fixedly installed between the fixed plates (6), a adding mechanism (3) is arranged on the top of the mixing box (4), a double-axis motor (5) is fixedly installed on the top of the mixing box (4) and on the inner side of the adding mechanism (3), and a mixing mechanism (2) is arranged inside the mixing box (4).

2. A chemical wastewater treatment device according to claim 1, characterized in that: The mixing mechanism (2) comprises a rotating rod (201), the rotating rod (201) being fixedly connected to the output end at the bottom of the dual-axis motor (5), the surface of the rotating rod (201) being fixedly mounted with evenly distributed side frames (202), the inner side of the side frame (202) being rotatably connected with a rebound hinge (203), the surface of the rebound hinge (203) being fixedly mounted with a mixing rod (204), and the surface of the rebound hinge (203) being away from the mixing rod (204) being fixedly mounted with a connecting plate (20 5), the top of the connecting plate (205) is movably connected with a transmission rod (206), the connecting plates (205) are connected to each other through the transmission rod (206), a vertical rod (207) is fixedly installed on the top of the transmission rod (206) near the top of the inner cavity of the mixing box (4), a disc (209) is fixedly installed on the top of the inner cavity of the mixing box (4), the bottom of the disc (209) is provided with evenly distributed recesses (210), and the vertical rod (207) is located at the bottom of the disc (209).

3. A chemical wastewater treatment device according to claim 2, characterized in that: A protrusion is fixedly mounted on the top of the vertical rod (207), and a ball (208) is arranged on the top of the protrusion, and the ball (208) is in contact with the bottom of the disc (209).

4. A chemical wastewater treatment device according to claim 1, characterized in that: The adding mechanism (3) comprises an annular box (301), wherein the annular box (301) is fixedly mounted on the top of the mixing box (4), the right side of the surface of the annular box (301) is connected to a feed pipe (302), a shut-off valve is arranged on the surface of the feed pipe (302), and the bottom of the annular box (301) is connected to evenly distributed discharge pipes (303), and the bottom of the discharge pipe (303) extends to the interior of the mixing box (4).

5. A chemical wastewater treatment device according to claim 4, characterized in that: A threaded rod (305) is fixedly installed at the output end at the top of the dual-axis motor (5), a top plate (304) is arranged above the annular box (301), the top of the top plate (304) penetrates the top plate (304) and is threadedly connected to the top plate (304), and evenly distributed connecting rods (306) are fixedly installed at the bottom of the top plate (304), and the bottom of the connecting rods (306) extends to the interior of the annular box (301) and is fixedly installed with a sealing plate (307).

6. A chemical wastewater treatment device according to claim 5, characterized in that: The sealing plate (307) is in sealing contact with the inner wall of the annular box (301), and the feed pipe (302) is located at the bottom of the sealing plate (307).

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