CN211770705U - Coagulation and flocculation device for chemical wastewater treatment - Google Patents

Abstract

The utility model relates to the technical field of chemical wastewater treatment, in particular to a coagulation and flocculation device for chemical wastewater treatment; the utility model can effectively prevent the solid flocculant from being thrown into the wastewater to form agglomerates, and at the same time prevent the solid flocculant from being dissolved insufficiently Attached to the rotating shaft to ensure the flocculation effect on wastewater, including a flocculation box, a placement cavity is arranged inside the flocculation box, and a filter screen is arranged in the placement cavity, the top of the flocculation box is provided with a water inlet pipe, and the right end of the flocculation box is provided with a The water outlet pipe; also includes a storage box, a material conveying pipe, a reduction motor, a mixing box, a first vertical pipe, a transmission shaft and a screen device. The screen device includes a screen body, two sets of sliding rods, two sets of springs, and a driving plate. and sliding sleeve, the top of the driving plate is provided with a strip-shaped groove in the front and rear directions, and also includes a driving motor, a first rotating shaft, a disc, a driving rod, a branch pipe, a lead-out pipe and a second vertical pipe. The bottom end of the second vertical pipe is The top of the flocculation box extends into the placement cavity and communicates with the top of the mixing box.

Description

A coagulation and flocculation device for chemical wastewater treatment

technical field

The utility model relates to the technical field of chemical wastewater treatment, in particular to a coagulation and flocculation device for chemical wastewater treatment.

Background technique

As we all know, the coagulation and flocculation device for chemical wastewater treatment is an auxiliary device that flocculates suspended impurities or colloids in chemical wastewater through flocculants, and then filters the flocs. It has been widely used in the field of wastewater treatment. The existing coagulation and flocculation device for chemical wastewater treatment includes a flocculation box, a placement cavity is arranged inside the flocculation box, and a filter screen is arranged in the placement cavity, and a water inlet pipe and a feeding pipe are arranged at the top of the flocculation box. , the right end of the flocculation box is provided with a water outlet pipe; when the existing coagulation and flocculation device for chemical wastewater treatment is used, the wastewater enters the placement cavity through the water inlet pipe, and the flocculant is put into the placement cavity through the feeding pipe. The suspended particles and colloids in the wastewater are used to produce flocs, and the flocs are filtered through a filter screen, and the filtered water is exported from the water outlet; the existing coagulation and flocculation devices used for chemical wastewater treatment are found in the use of solid flocculants. It is easy to form agglomerates directly into the flocculation box, that is, there are solid particles inside and part of the hydrolyzate is surrounded by the outside. Once such agglomerates are formed, it often takes a long time to dissolve into the water evenly. It can even exist for several days, and the solid flocculant that floats to the rotating shaft is easy to dissolve due to poor water turbulence and adheres to the rotating shaft, which affects the effect of wastewater flocculation.

Utility model content

(1) Technical problems solved

In view of the deficiencies of the prior art, the utility model provides a situation that can effectively prevent the solid flocculant from being thrown into the waste water to form agglomerates, and at the same time prevent the solid flocculant from being dissolved insufficiently and adhere to the rotating shaft, thereby ensuring the flocculation effect of the waste water. Coagulation and flocculation device for chemical wastewater treatment.

(2) Technical solutions

In order to achieve the above purpose, the utility model provides the following technical scheme: a coagulation and flocculation device for chemical wastewater treatment, including a flocculation box, a placement cavity is arranged inside the flocculation box, and a filter screen is arranged in the placement cavity, flocculation The top of the box is provided with a water inlet pipe, and the right end of the flocculation box is provided with a water outlet pipe; it also includes a material storage box, a material conveying pipe, a deceleration motor and a mixing box, the material storage box is installed on the top of the flocculation box, and is in the storage box. There is a cavity inside, the bottom end of the storage box is connected with a first vertical pipe, the bottom end of the first vertical pipe is communicated with the top left side of the feeding pipe, and the deceleration motor is installed on the bottom of the feeding pipe. One end, and the output end of the reduction motor is provided with a transmission shaft, the transmission shaft extends into the feeding pipe, and a screw conveying blade is arranged on the transmission shaft, and the mixing box is installed on the inner top wall of the placement cavity, A working cavity is arranged inside the mixing box, and a screen device is arranged in the working cavity. The screen device includes a screen body, two sets of sliding rods, two sets of springs and a driving plate. The front and rear ends are provided with sliding sleeves, the left ends of the two sets of sliding rods are respectively connected with the front and rear ends of the left side wall of the working cavity, and the right ends of the two sets of sliding rods pass through the two sets of sliding sleeves and are respectively connected with the working cavity. The front end and the rear end of the right side wall are connected, one end of the two groups of springs is respectively connected with the left end and the right end of the screen body, the other ends of the two groups of springs are respectively connected with the left end and the right end of the screen body, and the driving plate is fixed It is installed on the right side of the top of the sieve plate body, and the top of the driving plate is provided with strip-shaped grooves in the front and rear directions. The bottom end of the first rotating shaft extends into the inside of the mixing box, and a disc is arranged at the bottom end of the first rotating shaft, and a driving rod is arranged at the eccentric position of the bottom end of the disc, and the bottom end of the driving rod is automatically driven by the driving plate. The top end extends into the strip groove, the right end of the water inlet pipe is provided with a branch pipe, the right end of the branch pipe is communicated with the left end of the mixing box, the right end of the mixing box is provided with an outlet pipe, and the bottom end of the material conveying pipe is on the right side A second vertical pipe is provided, and the bottom end of the second vertical pipe extends from the top end of the flocculation box into the placement cavity and communicates with the top end of the mixing box.

Preferably, the bottom end of the flocculation box is provided with a stirring motor, the top output end of the stirring motor is provided with a second rotating shaft, and the top of the second rotating shaft extends from the bottom end of the flocculation box into the placement cavity, and A stirring paddle is provided on the second rotating shaft, and the stirring paddle is located below the filter screen.

Preferably, the bottom end of the water inlet pipe passes through the filter screen to the bottom of the filter screen, the bottom end of the outlet pipe passes through the filter screen to the bottom of the filter screen, and the water outlet pipe is located above the filter screen.

Preferably, a regulating valve is provided on the branch pipe.

Preferably, the top of the flocculation box is provided with a pick-and-place port that communicates with the working chamber, and a cover plate is provided at the pick-and-place port, the cover plate and the flocculation box are connected by bolts, and the drive motor is installed on the cover plate 's top.

Preferably, the top end of the screen body is provided with a rectangular frame, and the bottom end of the rectangular frame is fixedly connected to the outer side of the top end of the screen body.

Preferably, a sewage pipe is arranged at the bottom end of the flocculation box, and a sewage valve is arranged at the sewage pipe.

(3) Beneficial effects

Compared with the prior art, the utility model provides a coagulation and flocculation device for chemical wastewater treatment, which has the following beneficial effects: the coagulation and flocculation device for chemical wastewater treatment The solid flocculant is transported horizontally through the first vertical pipe, and the solid flocculant is transported laterally by the geared motor to drive the transmission shaft and the screw conveyor. On the main body, the first rotating shaft and the disc are driven to rotate by the driving motor, and the screen body is driven to reciprocate laterally by the driving rod at the bottom of the disc. Through two sets of springs to assist the screen body to reciprocate, part of the waste water in the inlet pipe is introduced into the mixing box through the branch pipe, and the solid flocculant on the screen body is screened into the mixing box and mixed with the waste water in the mixing box. Screening the solid flocculant through the screen body can effectively prevent the solid flocculant from being thrown into the wastewater to form agglomerates, and the wastewater entering the mixing box has good water flow turbulence to prevent the solid flocculant from being insufficiently dissolved. So as to ensure the flocculation effect of wastewater.

Description of drawings

Fig. 1 is the structural representation of the present utility model;

Fig. 2 is a partial enlarged structural schematic diagram at A of Fig. 1 of the present utility model;

Fig. 3 is the partial enlarged structural schematic diagram of the B place of Fig. 1 of the present utility model;

Fig. 4 is the top view structure schematic diagram of the mixing box of the present utility model;

Labels in the drawings: 1, flocculation box; 2, filter screen; 3, water inlet pipe; 4, water outlet pipe; 5, material storage tank; 6, material delivery pipe; 7, geared motor; 8, mixing box; A vertical pipe; 10, drive shaft; 11, screw conveyor blade; 12, screen body; 13, sliding rod; 14, spring; 15, driving plate; 16, sliding sleeve; 17, strip groove; 18, drive motor ; 19, the first shaft; 20, the disc; 21, the driving rod; 22, the branch pipe; 23, the outlet pipe; 24, the second vertical pipe; 25, the stirring motor; 26, the second shaft; , regulating valve; 29, cover plate; 30, rectangular frame; 31, sewage pipe.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in 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 implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-4 , a coagulation and flocculation device for chemical wastewater treatment according to the present invention includes a flocculation box 1, a placement cavity is arranged inside the flocculation box 1, and a filter screen 2 is arranged in the placement cavity, The top of the flocculation box 1 is provided with a water inlet pipe 3, and the right end of the flocculation box 1 is provided with a water outlet pipe 4; it also includes a material storage box 5, a material conveying pipe 6, a deceleration motor 7 and a mixing box 8, and the material storage box 5 is installed in the The top of the flocculation box 1 is provided with a cavity inside the storage box 5. The bottom end of the storage box 5 is connected with a first vertical pipe 9, and the bottom end of the first vertical pipe 9 is connected to the material conveying pipe 6. The top of the gear motor 7 is connected to the left side, the geared motor 7 is installed on one end of the feeding pipe 6, and a transmission shaft 10 is provided at the output end of the geared motor 7, and the transmission shaft 10 extends into the feeding pipe 6, and is in The drive shaft 10 is provided with a screw conveying blade 11, the mixing box 8 is installed on the inner top wall of the placement cavity, and a working cavity is arranged inside the mixing box 8, and a screen device is arranged in the working cavity, so the The screen device includes a screen body 12, two sets of sliding rods 13, two sets of springs 14 and a driving plate 15. The front and rear ends of the screen body 12 are provided with sliding sleeves 16. The two sets of sliding rods 13 The left ends of the slide bars 13 are respectively connected with the front and rear ends of the left side wall of the working chamber, and the right ends of the two groups of sliding rods 13 respectively pass through the two groups of sliding sleeves 16 and are respectively connected with the front and rear ends of the right side wall of the working chamber. One end of the spring 14 is respectively connected with the left end and the right end of the screen body 12, the other ends of the two groups of springs 14 are respectively connected with the left end and the right end of the screen body 12, and the driving plate 15 is fixedly installed on the top right side of the screen body 12. , and the top of the driving plate 15 is provided with a strip groove 17 in the front and rear directions, the top of the flocculation box 1 is provided with a driving motor 18, and the bottom output end of the driving motor 18 is provided with a first rotating shaft 19, the first rotating shaft The bottom end of 19 extends into the interior of the mixing box 8, and a disc 20 is provided at the bottom end of the first rotating shaft 19. The eccentric position of the bottom end of the disc 20 is provided with a driving rod 21, and the bottom end of the driving rod 21 is provided. The top end of the self-driving plate 15 extends into the strip groove 17, the right end of the water inlet pipe 3 is provided with a branch pipe 22, the right end of the branch pipe 22 communicates with the left end of the mixing box 8, and the right end of the mixing box 8 is provided with an outlet pipe 23. A second vertical pipe 24 is provided on the right side of the bottom end of the material conveying pipe 6. The bottom end of the second vertical pipe 24 extends from the top of the flocculation box 1 into the placement cavity and is connected with the top of the mixing box 8. Connected; the flocculant in the storage box 5 is introduced into the conveying pipe 6 through the first vertical pipe 9, and the transmission shaft 10 and the screw conveying blade 11 are driven by the deceleration motor 7 to transport the solid flocculant laterally. The hoop in the conveying pipe The flocculant is introduced into the mixing box 8 through the second vertical pipe 24 and falls on the screen body 12, the first rotating shaft 19 and the disc 20 are driven to rotate by the driving motor 18, and the screen is driven by the driving rod 21 at the bottom of the disc 20. The main body 12 reciprocates laterally, through the cooperation of the two sets of sliding rods 13 and the sliding sleeve 16, the stability of the lateral reciprocating movement of the screen body 12 is ensured, and the two sets of springs 14 assist the screen body 12 to reciprocate, and A part of the wastewater in the water pipe 3 is introduced into the mixing box 8 through the branch pipe 22, and the solid flocculant on the screen body 12 is screened into the mixing box 8 and preliminarily mixed with the wastewater in the mixing box 8. Screening can effectively prevent the solid flocculant from being thrown into the wastewater to form agglomerates, and the wastewater entering the mixing box 8 has good turbulence to prevent insufficient dissolution of the solid flocculant, thereby ensuring the flocculation effect on the wastewater.

The present invention is a coagulation and flocculation device for chemical wastewater treatment. The bottom end of the flocculation box 1 is provided with a stirring motor 25, and the top output end of the stirring motor 25 is provided with a second rotating shaft 26. The top of the second rotating shaft 26 extends into the placement cavity from the bottom end of the flocculation box 1, and a stirring paddle 27 is arranged on the second rotating shaft 26, and the stirring paddle 27 is located below the filter screen 2; The rotation of the second rotating shaft 26 and the stirring paddle 27 can mix the flocculant and the waste water in the placement cavity, so that the waste water and the flocculant can be fully mixed.

According to a coagulation and flocculation device for chemical wastewater treatment of the present invention, the bottom end of the water inlet pipe 3 passes through the filter screen 2 to the bottom of the filter screen 2, and the bottom end of the outlet pipe 23 passes through the filter screen 2. To the bottom of the filter screen 2, the water outlet pipe 4 is located above the filter screen 2; ensure that the waste water and flocculant are introduced to the bottom of the filter screen 2, and then the flocs generated in the waste water can be filtered through the filter screen 2.

The utility model is a coagulation and flocculation device for chemical wastewater treatment. The branch pipe 22 is provided with a regulating valve 28 ; the water flow in the branch pipe 22 can be adjusted through the regulating valve 28 .

The utility model is a coagulation and flocculation device for chemical wastewater treatment. The top of the flocculation box 1 is provided with a pick-and-place port that communicates with the working chamber, and a cover plate 29 is provided at the pick-and-place port. The plate 29 is connected with the flocculation box 1 by bolts, and the drive motor 18 is installed on the top of the cover plate 29 ; opening the cover plate 29 can clean the impurities in the screen body 12 in the flocculation box 1 .

According to a coagulation and flocculation device for chemical wastewater treatment of the present invention, a rectangular frame 30 is arranged at the top of the screen body 12 , and the bottom end of the rectangular frame 30 is fixedly connected to the outside of the top of the screen body 12 ; The rectangular frame 30 can prevent the hoop flocculant on the screen body 12 from falling into the working cavity from the outside of the screen body 12 .

The utility model is a coagulation and flocculation device for chemical waste water treatment. The impurities in 1 are exported.

The coagulation and flocculation device of the present invention is used for chemical wastewater treatment. When in use, the flocculant in the storage tank 5 is introduced into the conveying pipe 6 through the first vertical pipe 9, and the transmission shaft is driven by the deceleration motor 7. 10 and the screw conveying blade 11 carry out lateral transport of the solid flocculant, the hoop flocculant in the conveying pipe is introduced into the mixing box 8 through the second vertical pipe 24 and falls on the screen body 12, and the first rotating shaft is driven by the driving motor 18. 19 and the disc 20 rotate, the screen body 12 is driven to reciprocate laterally by the driving rod 21 at the bottom of the disc 20, and the two sets of sliding rods 13 and the sliding sleeve 16 cooperate to ensure the stability of the screen body 12 lateral reciprocating movement, Two sets of springs 14 assist the screen body 12 to reciprocate, a part of the waste water in the water inlet pipe 3 is introduced into the mixing box 8 through the branch pipe 22, and the solid flocculant on the screen body 12 is screened into the mixing box 8 and mixed with the mixing box 8. The waste water inside is preliminarily mixed, and the solid flocculant is screened through the screen body 12, which can effectively prevent the solid flocculant from being thrown into the waste water to form agglomerates, and the waste water entering the mixing box 8 has good turbulence, preventing solid In the case of insufficient dissolving of the flocculant, thus ensuring the flocculation effect on the wastewater, the second rotating shaft 26 and the stirring paddle 27 are driven by the stirring motor 25 to rotate to mix the flocculant and the wastewater in the placement cavity, so that the wastewater and the flocculant are fully mixed, Opening the cover plate 29 can clean the impurities in the screen body 12 in the flocculation box 1 , and the impurities in the flocculation box 1 can be led out through the sewage pipe 31 .

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

The electrical components appearing in this article are all connected with the external main controller and 220V mains, and the main controller can be a conventional known device controlled by a computer or the like.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A coagulation flocculation device for chemical wastewater treatment comprises a flocculation tank (1), wherein a placing cavity is arranged inside the flocculation tank (1), a filter screen (2) is arranged in the placing cavity, a water inlet pipe (3) is arranged at the top end of the flocculation tank (1), and a water outlet pipe (4) is arranged at the right end of the flocculation tank (1); the device is characterized by further comprising a storage box (5), a conveying pipe (6), a speed reducing motor (7) and a mixing box (8), wherein the storage box (5) is installed at the top end of the flocculation box (1), a cavity is formed in the storage box (5), a first vertical pipe (9) is communicated with the bottom end of the storage box (5), the bottom end of the first vertical pipe (9) is communicated with the left side of the top end of the conveying pipe (6), the speed reducing motor (7) is installed at one end of the conveying pipe (6), a transmission shaft (10) is arranged at the output end of the speed reducing motor (7), the transmission shaft (10) extends into the conveying pipe (6), spiral conveying blades (11) are arranged on the transmission shaft (10), the mixing box (8) is installed on the inner top wall of the placing cavity, a working cavity is formed in the mixing box (8), and a screen device is arranged in the working cavity, the screen device comprises a screen body (12), two groups of sliding rods (13), two groups of springs (14) and a driving plate (15), wherein sliding sleeves (16) are arranged at the front end and the rear end of the screen body (12), the left ends of the two groups of sliding rods (13) are respectively connected with the front end and the rear end of the left side wall of a working cavity, the right ends of the two groups of sliding rods (13) respectively penetrate through the two groups of sliding sleeves (16) and are respectively connected with the front end and the rear end of the right side wall of the working cavity, one ends of the two groups of springs (14) are respectively connected with the left end and the right end of the screen body (12), the other ends of the two groups of springs (14) are respectively connected with the left end and the right end of the screen body (12), the driving plate (15) is fixedly arranged on the right side of the top end of the screen body, a strip-shaped groove (17) in the front-back direction is arranged, a first rotating shaft (19) is arranged at the output end of the bottom of the driving motor (18), the bottom end of the first rotating shaft (19) extends into the mixing box (8), a disc (20) is arranged at the bottom end of the first rotating shaft (19), a driving rod (21) is arranged at the eccentric position of the bottom end of the disc (20), the bottom end of the driving rod (21) extends into the strip-shaped groove (17) from the top end of the driving plate (15), a branch pipe (22) is arranged at the right end of the water inlet pipe (3), the right end of the branch pipe (22) is communicated with the left end of the mixing box (8), a delivery pipe (23) is arranged at the right end of the mixing box (8), the right side of the bottom end of the conveying pipeline (6) is provided with a second vertical pipe (24), and the bottom end of the second vertical pipe (24) extends into the placing cavity from the top end of the flocculation box (1) and is communicated with the top end of the mixing box (8).

2. The coagulation flocculation device for chemical wastewater treatment according to claim 1, wherein a stirring motor (25) is arranged at the bottom end of the flocculation tank (1), a second rotating shaft (26) is arranged at the top output end of the stirring motor (25), the top end of the second rotating shaft (26) extends into the placing cavity from the bottom end of the flocculation tank (1), a stirring paddle (27) is arranged on the second rotating shaft (26), and the stirring paddle (27) is positioned below the filter screen (2).

3. The coagulation flocculation device for chemical wastewater treatment according to claim 2, wherein the bottom end of the water inlet pipe (3) passes through the filter screen (2) to the lower part of the filter screen (2), the bottom end of the discharge pipe (23) passes through the filter screen (2) to the lower part of the filter screen (2), and the water outlet pipe (4) is located above the filter screen (2).

4. The coagulation flocculation apparatus for chemical wastewater treatment according to claim 3, wherein the branch pipe (22) is provided with a regulating valve (28).

5. The coagulation flocculation device for chemical wastewater treatment according to claim 4, wherein a pick-and-place opening communicated with the working chamber is formed in the top end of the flocculation tank (1), a cover plate (29) is arranged at the pick-and-place opening, the cover plate (29) is connected with the flocculation tank (1) through a bolt, and the driving motor (18) is installed on the top end of the cover plate (29).

6. The coagulation flocculation device for chemical wastewater treatment according to claim 5, wherein a rectangular frame (30) is arranged at the top end of the screen body (12), and the bottom end of the rectangular frame (30) is fixedly connected with the outer side of the top end of the screen body (12).

7. The coagulation flocculation device for chemical wastewater treatment according to claim 6, wherein a drain pipe (31) is arranged at the bottom end of the flocculation tank (1), and a drain valve is arranged at the drain pipe (31).

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