Sewage treatment system for large concrete mixing production

Abstract

The invention discloses a sewage treatment system for large concrete mixing production, and relates to the field of concrete mixing plants, the sewage treatment system comprises a base, a first treatment box and a second treatment box, the first treatment box is arranged above the base, the second treatment box is arranged on the right side of the first treatment box, the first treatment box is higher than the second treatment box, and the second treatment box is arranged above the base. A first treatment box is arranged on the base, an adding opening is formed in the upper portion of the first treatment box, the lower portion of the first treatment box is designed to be of an opening-shaped structure, a supporting frame is connected to the outer side of the first treatment box and fixed to the upper portion of the base, and a bottom sealing plug is arranged at the bottom of the first treatment box. According to the sewage treatment system for large-scale concrete mixing production, granular broken stones in sewage are filtered through the screening plate, and the filtered broken stones can enter the connecting cover and can be automatically taken out by cooperating with the conveying auger subsequently, so that the screened particles are treated, the filtering of a water body can be continuously performed, and the sewage treatment efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of concrete mixing plants, in particular to a sewage treatment system for large-scale concrete mixing production. Background Art

[0002] When mixing and producing large-volume concrete in a concrete mixing plant, the sewage generated during production and the sewage generated by flushing the mixing plant after concrete production can be treated by a sewage treatment system and then recycled to reduce water waste. The application number is CN202010694567.9, and the sewage treatment device for concrete preparation disclosed on October 20, 2020; it includes: a device body; a water inlet pipe, which is connected to the inside of the device body; a rotating shaft, which is rotatably arranged inside the water inlet pipe, and an axial flow component and a dispersing member for spirally dispersing sewage are fixedly mounted on the rotating shaft, and the dispersing member is fixedly mounted inside the water inlet pipe; a filter element, which is slidably arranged inside the device body left and right, and is tilted; wherein a matching groove is fixedly mounted on the filter element, and an eccentric wheel for driving the matching groove to swing back and forth left and right is fixedly mounted on the bottom of the rotating shaft, and the eccentric wheel abuts against the matching groove on the matching groove; the filter element is elastically arranged left and right inside the device body. The present invention prevents the filter from being blocked; increases the service life of the filter, and at the same time disperses the sewage and improves the filtering effect; the application number is CN202322373457.4, and a sewage treatment device for a concrete mixing station disclosed on April 19, 2024, includes a base, a first treatment tank is installed on one side of the top of the base, a groove is provided inside the first treatment tank, a filter screen is slidably connected inside the first treatment tank, protrusions are fixedly installed on both sides of the filter screen, and the protrusions are slidably connected to the grooves, a lifting mechanism is installed on the outside of the first treatment tank, a pipe is connected to one side of the bottom of the first treatment tank, a water pump is connected to the other end of the pipe, and a second treatment tank is connected to the other side of the water pump through a pipe, a stirring mechanism is installed inside the second treatment tank, a feed port is provided on one side of the top of the second treatment tank, a water outlet pipe is connected to one side of the bottom of the second treatment tank, a solenoid valve is installed at one end of the water outlet pipe, and a single-chip microcomputer controller is installed on one side of the top of the base. Beneficial effect: The filter screen can be lifted to the top of the first treatment tank by the provided lifting mechanism, and then the staff can clean or replace the filter screen conveniently through the provided ladder;

[0003] At present, when treating concrete wastewater, it needs to be filtered because the wastewater contains a lot of granular gravel. When used in a mixing plant, the granular gravel can easily clog the filter mechanism due to the large amount of water, thus affecting the subsequent sewage treatment efficiency. The gravel needs to be processed regularly, which reduces the sewage treatment efficiency. Summary of the invention

[0004] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a large-scale concrete mixing production sewage treatment system to solve the problem raised in the above background technology that when treating concrete sewage, the sewage contains a lot of granular gravel and needs to be filtered. When used in a mixing plant, the granular gravel can easily block the filtering mechanism due to the large amount of water, thereby affecting the subsequent sewage treatment efficiency.

[0005] The present invention solves the technical problem by the following technical solutions:

[0006] A sewage treatment system for large-scale concrete mixing production includes a base, a first treatment box, and a second treatment box, wherein the first treatment box is arranged above the base, and the second treatment box is arranged on the right side of the first treatment box, the first treatment box is higher than the second treatment box, and an addition port is arranged above the first treatment box, and the lower part of the first treatment box is designed in an open structure, the outer side of the first treatment box is connected to a support frame, and the support frame is fixed above the base, and the bottom of the first treatment box is provided with a bottom sealing plug, and the bottom of the first treatment box is blocked by the bottom sealing plug, and an up-and-down sliding structure is formed between the bottom sealing plug and the first treatment box, and a hydraulic rod is connected below the bottom sealing plug , to control the movement of the bottom sealing plug, a screening plate is arranged inside the first treatment box to screen the gravel particles in the sewage, and the screening plate is designed in a conical structure, and a collecting cover is fixed below the screening plate to collect the sorted particles on the screening plate, and a particle exporting mechanism is arranged above the collecting cover to send the gravel out, a connecting pipe is fixed below the screening plate, and the right end of the connecting pipe is connected to the second treatment box, so that the water after sedimentation in the first treatment box enters the interior of the second treatment box through the connecting pipe, and a discharge pipe is arranged below the second treatment box, a dosing chamber is arranged above the second treatment box, and a stirring and mixing mechanism is arranged in the middle of the second treatment box.

[0007] Moreover, an auxiliary plate is arranged below the screening plate, and the upper part of the auxiliary plate is designed with an inclined structure, and the end of the auxiliary plate is designed with a through structure to guide the water passing through the screening plate.

[0008] Moreover, a filter screen is arranged on the left side of the connecting pipe, and the filter screen is located inside the first processing box to filter the water entering into the connecting pipe.

[0009] Moreover, the particle export mechanism includes a connection cover, a conveying auger, a first motor and a fixing column;

[0010] A connecting cover is arranged above the collecting cover;

[0011] A conveying auger is rotatably mounted inside the connecting cover, and the lower end of the conveying auger is located inside the collecting cover;

[0012] The first motor is installed above the conveying auger to control the rotation of the conveying auger;

[0013] The fixing column is fixed below the connecting cover to connect the connecting cover and the screening plate.

[0014] Moreover, an impurity outlet pipe is fixed above the connection cover, and the upper part of the impurity outlet pipe is arranged in an inclined shape to guide the impurities discharged from the connection cover.

[0015] Furthermore, the stirring and mixing mechanism comprises a second motor, an output shaft, a movable shaft and a stirring rod;

[0016] A second motor is installed above the second processing box;

[0017] An output shaft is rotatably mounted above the second processing box, and the output shaft is connected to the second motor;

[0018] A movable shaft is arranged below the output shaft and rotates synchronously with the output shaft;

[0019] The stirring rods are fixed on the surface of the movable shaft, and the stirring rods are evenly distributed on the surface of the movable shaft.

[0020] Moreover, an up-and-down sliding structure is formed between the movable shaft and the output shaft, and a reciprocating driving mechanism is arranged above the movable shaft.

[0021] Moreover, a transmission block is fixed below the output shaft, and the transmission block is designed in a rectangular structure. The transmission block is located above and between the movable shafts to form an up-and-down sliding structure.

[0022] Furthermore, the reciprocating drive mechanism comprises a fixed seat, a connecting rod and a slide slot;

[0023] A fixed seat is fixed inside the second processing box, and the movable shaft passes through the fixed seat and the fixed seat forms a nested connection;

[0024] A connecting rod is fixed above the movable shaft, and the connecting rod is designed in an "L" shape, and a ball bearing is arranged below the connecting rod;

[0025] The slide groove is opened above the fixed seat in a circular ring shape, and the bottom of the slide groove is designed in an inclined structure, and a sliding connection is formed between the slide groove and the connecting rod.

[0026] The advantages and beneficial effects of the present invention are:

[0027] 1. The sewage treatment system for large-scale concrete mixing production of the present invention can precipitate the filtered sewage through the setting of the first treatment box, and the precipitated water enters the second treatment box through the connecting pipe for the next step of treatment, and the sewage can be filtered again through the filter net after entering the second treatment box, thereby improving the treatment effect of the sewage.

[0028] 2. The sewage treatment system for large-scale concrete mixing production of the present invention seals the bottom of the first treatment box by setting a bottom sealing plug, and after sewage treatment, the water body can be pushed by moving the bottom sealing plug upward, so that the water body at the bottom can also enter the second treatment box through the connecting pipe for subsequent treatment, and the bottom sealing plug can be taken out from the bottom of the first treatment box by controlling the downward movement, so as to facilitate the cleaning of deposited impurities.

[0029] 3. The sewage treatment system for large-scale concrete mixing production of the present invention filters the granular gravel in the sewage through the screening plate, and the filtered gravel can enter the interior of the connecting cover, and can be automatically taken out by the subsequent conveying auger, thereby realizing the treatment of the screened particles, making the filtration of the water body continuous, and improving the sewage treatment efficiency.

[0030] 4. The sewage treatment system for large-scale concrete mixing production of the present invention can add sewage treatment chemicals to the second treatment box through the chemical adding chamber, and stir the water body with the stirring and mixing mechanism so that the chemicals can be evenly mixed with the water body, so that the sewage can be effectively treated.

[0031] 5. The sewage treatment system for large-scale concrete mixing production of the present invention can make the movable shaft reciprocate in the vertical direction while rotating through the reciprocating drive mechanism, thereby increasing the range of motion of the stirring rod, thereby improving the mixing uniformity of the reagents and making them perform better. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0033] Figure 2 It is a side view structural schematic diagram of the present invention;

[0034] Figure 3 This is a schematic diagram of the internal structure of the first processing box of the present invention;

[0035] Figure 4 This is a schematic diagram of the main cross-sectional structure of the first processing box of the present invention;

[0036] Figure 5 This is a schematic diagram of the main cross-sectional structure of the connection cover of the present invention;

[0037] Figure 6 This is a schematic diagram of the main cross-sectional structure of the second processing box of the present invention;

[0038] Figure 7 It is a schematic diagram of the three-dimensional structure of the fixing seat of the present invention;

[0039] Figure 8 It is a schematic diagram of the main cross-sectional structure of the fixing seat of the present invention.

[0040] In the figure: 1. base; 2. first treatment box; 3. second treatment box; 4. addition port; 5. connecting pipe; 6. discharge pipe; 7. bottom sealing plug; 8. hydraulic rod; 9. support frame; 10. screening plate; 11. collecting cover; 12. connecting cover; 13. conveying auger; 14. first motor; 15. impurity outlet pipe; 16. fixed column; 17. auxiliary plate; 18. filter screen; 19. dosing chamber; 20. second motor; 21. output shaft; 22. movable shaft; 23. stirring rod; 24. transmission block; 25. fixed seat; 26. connecting rod; 27. slide groove. DETAILED DESCRIPTION

[0041] The present invention is further described in detail below through specific examples. The following examples are only illustrative and not restrictive, and the protection scope of the present invention cannot be limited thereto.

[0042] Embodiment 1:

[0043] See also Figure 1-Figure 8 The present invention provides the following technical solution: a sewage treatment system for large-scale concrete mixing production, comprising a base 1, a first treatment box 2, and a second treatment box 3, wherein the first treatment box 2 is arranged above the base 1, and the second treatment box 3 is arranged on the right side of the first treatment box 2.

[0044] The first treatment box 2 is higher than the second treatment box 3, and an addition port 4 is provided above the first treatment box 2, and the bottom of the first treatment box 2 is designed in an open structure. A support frame 9 is connected to the outside of the first treatment box 2, and the support frame 9 is fixed above the base 1. A bottom sealing plug 7 is provided at the bottom of the first treatment box 2, and the bottom of the first treatment box 2 is sealed by the bottom sealing plug 7. An up and down sliding structure is formed between the bottom sealing plug 7 and the first treatment box 2, and a hydraulic rod 8 is connected below the bottom sealing plug 7 to control the movement of the bottom sealing plug 7. A screening plate 10 is provided inside the first treatment box 2 to screen the gravel particles in the sewage, and the screening plate 10 is designed in a conical structure, and a collecting cover 11 is fixed below the screening plate 10 to collect the sorted particles on the screening plate 10. A particle outlet mechanism is provided above the cover 11 to send the crushed stones outward, a connecting pipe 5 is fixed below the sieve plate 10, and the right end of the connecting pipe 5 is connected to the second treatment box 3, so that the water after sedimentation in the first treatment box 2 enters the interior of the second treatment box 3 through the connecting pipe 5, and a discharge pipe 6 is provided below the second treatment box 3, a dosing chamber 19 is provided above the second treatment box 3, and a stirring and mixing mechanism is provided in the middle of the second treatment box 3, an auxiliary plate 17 is provided below the sieve plate 10, and the upper part of the auxiliary plate 17 is designed in an inclined structure, and the end of the auxiliary plate 17 is designed in a through structure to guide the water passing through the sieve plate 10, a filter screen 18 is provided on the left side of the connecting pipe 5, and the filter screen 18 is located inside the first treatment box 2 to filter the water entering the connecting pipe 5;

[0045] When in use, sewage is added to the first treatment box 2 through the addition port 4, filtered by the screen plate 10, and the gravel enters the collection cover 11 along the screen plate 10 and is sent out through the particle discharge mechanism. The filtered sewage is deposited in the first treatment box 2, and when the water level reaches the connecting pipe 5, it will enter the second treatment box 3 through the connecting pipe 5 for subsequent treatment. After the addition of sewage is stopped, the water accumulated in the first treatment box 2 can be pushed upward by moving the bottom sealing plug 7 upward, so that the water can continue to enter the second treatment box 3 through the connecting pipe 5, and then the bottom sealing plug 7 is controlled by the hydraulic rod 8 to move downward to remove it from the first treatment box 2, so that the deposited impurities can be cleaned.

[0046] Embodiment 2:

[0047] On the basis of the first embodiment, a particle export mechanism is disclosed, which includes a connecting cover 12, a conveying auger 13, a first motor 14 and a fixed column 16. The connecting cover 12 is arranged above the collecting cover 11. The conveying auger 13 is rotatably installed inside the connecting cover 12, and the lower end of the conveying auger 13 is located inside the collecting cover 11. The first motor 14 is installed above the conveying auger 13 to control the rotation of the conveying auger 13. The fixed column 16 is fixed below the connecting cover 12 to connect the connecting cover 12 and the screening plate 10. An impurity export pipe 15 is fixed above the connecting cover 12, and the upper part of the impurity export pipe 15 is arranged in an inclined shape to guide the impurities discharged from the connecting cover 12.

[0048] After the granular gravel enters the collecting cover 11, the conveying auger 13 can be driven to rotate by the first motor 14, so that the conveying auger 13 drives the gravel to move, and the gravel in the collecting cover 11 is transferred to the connecting cover 12. The gravel moves in the connecting cover 12 and enters the impurity outlet pipe 15 to be discharged outward, so that the gravel can be continuously transferred outward, avoiding the sieve plate 10 being blocked and affecting the filtering effect.

[0049] Embodiment 3:

[0050] On the basis of the first embodiment, a stirring and mixing mechanism is disclosed, which includes a second motor 20, an output shaft 21, a movable shaft 22 and a stirring rod 23. The second motor 20 is installed above the second processing box 3. The output shaft 21 is rotatably installed above the second processing box 3, and the output shaft 21 is connected to the second motor 20. The movable shaft 22 is arranged below the output shaft 21 and keeps synchronous rotation with the output shaft 21. The stirring rod 23 is fixed on the surface of the movable shaft 22, and the stirring rod 23 is evenly distributed on the surface of the movable shaft 22. An up-and-down sliding structure is formed between the movable shaft 22 and the output shaft 21, and a reciprocating drive mechanism is arranged above the movable shaft 22, and a transmission block 23 is fixed below the output shaft 21. 4, and the transmission block 24 is designed in a rectangular structure, and the transmission block 24 is located above the movable shaft 22 and between the movable shaft 22 to form an up and down sliding structure, the reciprocating drive mechanism includes a fixed seat 25, a connecting rod 26 and a slide 27, the fixed seat 25 is fixed inside the second processing box 3, the movable shaft 22 passes through the fixed seat 25 and the fixed seat 25 forms a nested connection, the connecting rod 26 is fixed above the movable shaft 22, and the connecting rod 26 is designed in an "L" shape, and a ball is arranged below the connecting rod 26, the slide 27 is annularly opened above the fixed seat 25, and the bottom of the slide 27 is designed in an inclined structure, and a sliding connection is formed between the slide 27 and the connecting rod 26;

[0051] The reagent can be added to the interior of the second treatment box 3 through the dosing chamber 19, and then the output shaft 21 can be controlled to rotate through the second motor 20. The output shaft 21 drives the movable shaft 22 to rotate through the transmission block 24, and the movable shaft 22 drives the stirring rod 23 to rotate to stir the water in the second treatment box 3. At the same time, when the movable shaft 22 rotates, it will drive the connecting rod 26 to slide in the slide groove 27. With the inclined structure at the bottom of the slide groove 27 and the gravity of the movable shaft 22 and the stirring rod 23, the movable shaft 22 can move back and forth up and down, drive the stirring rod 23 to move, and increase the stirring range.

[0052] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0053] Although the embodiments and drawings of the present invention are disclosed for illustrative purposes, those skilled in the art will appreciate that various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims. Therefore, the scope of the present invention is not limited to the contents disclosed in the embodiments and drawings.

Claims

1. A sewage treatment system for large-scale concrete mixing production, comprising a base (1), a first treatment box (2), and a second treatment box (3), wherein the first treatment box (2) is arranged above the base (1), and the second treatment box (3) is arranged on the right side of the first treatment box (2); Features: The first processing box (2) is higher than the second processing box (3), and an addition port (4) is provided above the first processing box (2), and the bottom of the first processing box (2) is designed to be open-shaped. The outer side of the first processing box (2) is connected to a support frame (9), and the support frame (9) is fixed above the base (1). The bottom of the first processing box (2) is provided with a bottom sealing plug (7), and the bottom of the first processing box (2) is sealed by the bottom sealing plug (7). The bottom sealing plug (7) and the first processing box (2) form an up-and-down sliding structure, and a hydraulic rod (8) is connected below the bottom sealing plug (7) to control the movement of the bottom sealing plug (7). The first processing box (2) is provided with a sieve plate (10) inside to filter the pollutants. Gravel particles in water are screened, and the screening plate (10) is designed in a conical structure. A collecting cover (11) is fixed below the screening plate (10) to collect the sorted particles on the screening plate (10). A particle outlet mechanism is arranged above the collecting cover (11) to send the gravel out. A connecting pipe (5) is fixed below the screening plate (10), and the right end of the connecting pipe (5) is connected to the second treatment box (3), so that the water after sedimentation in the first treatment box (2) enters the interior of the second treatment box (3) through the connecting pipe (5). A discharge pipe (6) is arranged below the second treatment box (3), a dosing chamber (19) is arranged above the second treatment box (3), and a stirring and mixing mechanism is arranged in the middle of the second treatment box (3).

2. The large-scale concrete mixing production sewage treatment system according to claim 1 is characterized by: An auxiliary plate (17) is arranged below the screening plate (10), and the upper part of the auxiliary plate (17) is designed with an inclined structure, and the end of the auxiliary plate (17) is designed with a through structure, so as to guide the water passing through the screening plate (10).

3. The large-scale concrete mixing production sewage treatment system according to claim 1 is characterized by: A filter screen (18) is provided on the left side of the connecting pipe (5), and the filter screen (18) is located inside the first processing box (2) to filter the water entering the connecting pipe (5).

4. The large-scale concrete mixing production sewage treatment system according to claim 1 is characterized by: The particle outlet mechanism comprises a connecting cover (12), a conveying auger (13), a first motor (14) and a fixing column (16); A connecting cover (12) is arranged above the collecting cover (11); A conveying auger (13) is rotatably mounted inside the connecting cover (12), and the lower end of the conveying auger (13) is located inside the collecting cover (11); A first motor (14) is installed above the conveying auger (13) to control the rotation of the conveying auger (13); The fixing column (16) is fixed below the connecting cover (12) to connect the connecting cover (12) and the screening plate (10).

5. The large-scale concrete mixing production sewage treatment system according to claim 4 is characterized by: An impurity outlet pipe (15) is fixed above the connection cover (12), and the upper part of the impurity outlet pipe (15) is arranged in an inclined shape to guide the impurities discharged from the connection cover (12).

6. The large-scale concrete mixing production sewage treatment system according to claim 1 is characterized by: The stirring and mixing mechanism comprises a second motor (20), an output shaft (21), a movable shaft (22) and a stirring rod (23); A second motor (20) is installed above the second processing box (3); An output shaft (21) is rotatably mounted above the second processing box (3), and the output shaft (21) is connected to the second motor (20); A movable shaft (22) is arranged below the output shaft (21) and rotates synchronously with the output shaft (21); The stirring rods (23) are fixed on the surface of the movable shaft (22), and the stirring rods (23) are evenly distributed on the surface of the movable shaft (22).

7. The large-scale concrete mixing production sewage treatment system according to claim 6 is characterized by: An up-and-down sliding structure is formed between the movable shaft (22) and the output shaft (21), and a reciprocating driving mechanism is arranged above the movable shaft (22).

8. The large-scale concrete mixing production sewage treatment system according to claim 7 is characterized by: A transmission block (24) is fixed below the output shaft (21), and the transmission block (24) is designed to be a rectangular structure. The transmission block (24) is located above the movable shaft (22) and between the movable shaft (22) to form an up-and-down sliding structure.

9. The large-scale concrete mixing production sewage treatment system according to claim 7 or 8, characterized in that: The reciprocating drive mechanism comprises a fixed seat (25), a connecting rod (26) and a sliding groove (27); A fixed seat (25) is fixed inside the second processing box (3), and the movable shaft (22) passes through the fixed seat (25) and the fixed seat (25) forms a nested connection; A connecting rod (26) is fixed above the movable shaft (22), and the connecting rod (26) is designed to be an "L"-shaped structure, and a ball bearing is arranged below the connecting rod (26); The slide groove (27) is annularly disposed above the fixing seat (25), and the bottom of the slide groove (27) is designed to be inclined, and a sliding connection is formed between the slide groove (27) and the connecting rod (26).

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