Construction waste recycling device applied to soil improvement

Abstract

The invention belongs to the technical field of construction waste recycling, and particularly relates to a construction waste recycling device applied to soil improvement, which comprises a plurality of separation boxes, a blow-off pipe is fixedly connected between the separation boxes, a plurality of first valves are mounted on the side wall of the blow-off pipe, and supports are fixedly connected to the bottom surfaces of the separation boxes. A communication control assembly is arranged close to the bottom surface of the inner cavity of the separation box; a water purification pipe is fixedly connected to the side walls of the separation boxes and located on the upper side of the communication control assembly, a sludge discharge pipe is fixedly connected to the side walls of the separation boxes and located on the lower side of the communication control assembly, and a plurality of second valves are installed on the side walls of the water purification pipe and the sludge discharge pipe. A rotating shaft is rotationally connected to the top surface of an inner cavity of the separation box, and stirring blades are fixedly connected to the side wall of the rotating shaft. According to the invention, particulate matters and suspended matters in the sludge can be precipitated, and solid fertilizer and liquid fertilizer are formed after the to-be-precipitated impurities and liquid are fermented and are used for increasing the soil fertility.

Description

Technical Field

[0001] The invention belongs to the technical field of construction waste recycling, and in particular relates to a construction waste recycling device used for soil improvement. Background Art

[0002] One of the ways to make construction waste a resource is to recycle it. Many construction wastes, such as concrete blocks, bricks, wood, etc., can be used as recycled aggregates for the foundation of new construction projects, road paving, or making new concrete products after being crushed, screened, and cleaned. This method not only reduces the exploitation of natural resources, but also reduces construction costs.

[0003] Another way to deal with it is energy recovery. Combustible materials in construction waste, such as plastics and wood, can be converted into heat energy through incineration and used for power generation or heating. This treatment method not only solves the problem of garbage occupying land, but also provides clean energy for the city, achieving the dual benefits of waste utilization.

[0004] There is also the application of biodegradation technology. The organic components in construction waste, such as soil and plant residues, can be decomposed through biotechnology and converted into fertilizers or soil conditioners for urban greening or agricultural farming, which not only restores the ecological balance but also improves the utilization value of the land.

[0005] Among them, construction sludge is usually produced in the basic construction stage of construction projects. For example, during foundation excavation, river dredging, basement construction and other operations, a large amount of mud-like substances containing a lot of water will be produced. These construction sludges are difficult to use directly, and random stacking will occupy land and pollute the environment.

[0006] The traditional treatment method for construction sludge often requires dehydration, solidification and other treatments, and then subsequent disposal such as landfill and brick making to achieve reasonable treatment and resource reuse; due to the large and complex amount of nitrogen, phosphorus, potassium, active microorganisms and fungi in construction sludge, it is difficult to directly apply the treated sludge to soil improvement and crop planting using existing processes. The components in the sludge are complex. If the solid impurities are not separated from the waste liquid and then composted and fermented, it cannot be used in soil improvement, which is not conducive to the recycling and reuse of construction waste. Summary of the invention

[0007] The purpose of the present invention is to provide a construction waste recycling device for soil improvement, which can precipitate particulate matter and suspended matter in sludge, and after the precipitated impurities are fermented with liquid, solid fertilizer and liquid fertilizer are formed to increase soil fertility.

[0008] The technical solution adopted by the present invention is as follows: A construction waste recycling device for soil improvement, comprising a plurality of separation boxes, wherein a sewage pipe is fixedly connected between the separation boxes, a plurality of first valves are installed on the side wall of the sewage pipe, a bracket is fixedly connected to the bottom surface of each separation box, and a connection control component is arranged near the bottom surface of the inner cavity of the separation box; A plurality of separation box side walls are located on the upper side of the communication control assembly and are fixedly connected to a clean water pipe, and a plurality of separation box side walls are located on the lower side of the communication control assembly and are fixedly connected to a mud discharge pipe, and a plurality of second valves are installed on the clean water pipe and the mud discharge pipe side walls; The top surface of the inner cavity of the separation box is rotatably connected to a rotating shaft, the side wall of the rotating shaft is fixedly connected to a stirring blade, the top surface of the separation box is fixedly installed with a motor, and the output shaft of the motor is fixedly connected to the rotating shaft; The top surface of the separation box is fixedly connected to a medicine box, which is divided into at least two chambers. The bottom surface of the medicine box is fixedly connected to a medicine lowering pipe, which extends to the interior of the separation box. The side wall of the rotating shaft is provided with a material control component.

[0009] Furthermore, the connection control component includes a fixed plate fixedly connected to the inner wall of the separation box, a plurality of first through grooves are opened on the top surface of the fixed plate, an inclined plate is fixedly connected to the top surface of the fixed plate located on the right side of the first through groove, a guide plate is fixedly connected to the side wall of the inclined plate and the left side of the first through groove, a baffle is provided on the lower side of the fixed plate in the inner cavity of the separation box, a plurality of second through grooves are opened on the top surface of the baffle, the first through grooves and the second through grooves are staggered, an electric push rod is installed on the side wall of the separation box, the output end of the electric push rod is fixedly connected to the baffle, and a sealing assembly is provided on the bottom surface of the fixed plate.

[0010] Furthermore, the sealing assembly includes a plurality of annular grooves opened on the bottom surface of the fixed plate, the annular grooves are rectangular, the annular grooves are respectively located on the outside of the first through grooves, the top surfaces of the annular grooves are fixedly connected to a plurality of first springs, and the bottom surfaces of the first springs are fixedly connected to a sealing ring.

[0011] Furthermore, the bottom surface of the sealing ring and the top surface of the baffle are respectively fixedly connected with magnetic sheets, and the magnetic sheets on both sides are magnetically attracted to each other.

[0012] Furthermore, the material control component includes a cam fixedly connected to the side wall of the rotating shaft, the side wall of the lower medicine tube is provided with a rectangular groove, a movable plate is movably connected in the rectangular groove, a circular hole is provided on the top surface of the movable plate, the circular hole is adapted to the lower medicine tube, and an elastic part is provided on the end surface of the movable plate.

[0013] Furthermore, the end surface of the movable plate is rotatably connected to a movable wheel, and the movable wheel abuts against the side wall of the cam.

[0014] Furthermore, the elastic member includes a limiting rod fixedly connected to the side wall of the movable plate, the other end of the limiting rod passes through the separation box and is movably connected thereto, and the side wall of the limiting rod is sleeved with a second spring.

[0015] Furthermore, a protective cover is fixedly connected to the top surface of the inner cavity of the separation box, and the material control component is located inside the protective cover.

[0016] The technical effects achieved by the present invention are: The invention discloses a construction waste recycling device for soil improvement. The device uses a separation box, a connection control component, a material control component, etc. to cooperate with each other. After mixing the construction sludge with a flocculant, the particulate matter and suspended matter in the sludge are precipitated. The flocculent precipitate is separated from the liquid by the connection control component, so that the precipitated impurities and the liquid can be discharged separately. After the precipitated impurities and the liquid are fermented, solid fertilizer and liquid fertilizer are formed. The solid fertilizer is convenient to be used in soil improvement to increase soil fertility. The liquid fertilizer is used to irrigate crops to facilitate the crops to absorb nutrients, thereby promoting the recycling and reuse of construction waste and maximizing the rational use of resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a stereogram of an embodiment of the present invention; Figure 2 It is a schematic diagram of the internal structure of the separation box according to an embodiment of the present invention; Figure 3 Schematic diagram of the distribution structure of the inclined plate of the embodiment of the present invention; Figure 4 is a schematic cross-sectional structural diagram of a connection control assembly according to an embodiment of the present invention; Figure 5 is a bottom view structural schematic diagram of a fixing plate according to an embodiment of the present invention; Figure 6 is a schematic structural diagram of a baffle according to an embodiment of the present invention; Figure 7 is a schematic structural diagram of a material control assembly according to an embodiment of the present invention; Figure 8 Embodiment of the present invention Figure 4 Enlarged view of point A in .

[0018] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 1. Separation box; 2. Drain pipe; 3. First valve; 4. Bracket; 5. Fixed plate; 6. First through groove; 7. Inclined plate; 8. Guide plate; 9. Baffle; 10. Second through groove; 11. Electric push rod; 12. Annular groove; 13. First spring; 14. Sealing ring; 15. Magnetic sheet; 16. Clean water pipe; 17. Mud discharge pipe; 18. Motor; 19. Rotating shaft; 20. Agitator blade; 21. Medicine box; 22. Medicine discharge pipe; 23. Cam; 24. Movable plate; 25. Round hole; 26. Limit rod; 27. Second spring; 28. Protective cover; 29. ​​Movable wheel; 30. Second valve. DETAILED DESCRIPTION

[0019] In order to make the purpose and advantages of the present invention more clearly understood, the present invention is specifically described below in conjunction with embodiments. It should be understood that the following text is only used to describe one or several specific embodiments of the present invention, and does not strictly limit the scope of protection of the specific claims of the present invention.

[0020] like Figures 1-7 As shown, a construction waste recycling device for soil improvement includes a plurality of separation boxes 1, a sewage pipe 2 is fixedly connected between the separation boxes 1, a plurality of first valves 3 are installed on the side wall of the sewage pipe 2, a bracket 4 is fixedly connected to the bottom surface of each separation box 1, and a connection control component is arranged near the bottom surface of the inner cavity of the separation box 1; Among them, the first valve 3 is used to control the connectivity between the sewage pipe 2 and the separation box 1. In this scheme, two separation boxes 1 are preferably used. When the construction sludge is discharged into the left separation box 1, the first valve 3 above the right separation box 1 is in a closed state, and vice versa, so that continuous treatment of the construction sludge can be achieved.

[0021] A plurality of separation boxes 1 have side walls located on the upper side of the connection control assembly fixedly connected to a clean water pipe 16, and a plurality of separation boxes 1 have side walls located on the lower side of the connection control assembly fixedly connected to a mud discharge pipe 17, and a plurality of second valves 30 are installed on the side walls of the clean water pipe 16 and the mud discharge pipe 17; Specifically, a plurality of branch pipes are connected to the clean water pipe 16 and the mud discharge pipe 17, and the branch pipes are respectively connected to a plurality of separation boxes 1, and a second valve 30 is installed at the position of the branch pipe to control whether the separation box 1 is in a discharge state.

[0022] A rotating shaft 19 is rotatably connected to the top surface of the inner cavity of the separation box 1, and a stirring blade 20 is fixedly connected to the side wall of the rotating shaft 19. A motor 18 is fixedly installed on the top surface of the separation box 1, and the output shaft of the motor 18 is fixedly connected to the rotating shaft 19. By stirring the sludge, on the one hand, the flocculant or coagulant aid can be added to achieve the purpose of automatic addition, and on the other hand, the contact uniformity between the particles in the sludge and the agent can be accelerated.

[0023] A reagent box 21 is fixedly connected to the top surface of the separation box 1. The reagent box 21 is divided into at least two chambers. A variety of reagents can be stored in the reagent box 21. The reagents are preferably reagents used in sewage treatment, such as flocculants or coagulants, etc. A lower medicine pipe 22 is fixedly connected to the bottom surface of the reagent box 21. The lower medicine pipe 22 extends to the interior of the separation box 1, and a material control component is provided on the side wall of the rotating shaft 19.

[0024] like Figures 3-6 As shown, the connection control component includes a fixed plate 5 fixedly connected to the inner wall of the separation box 1, a plurality of first through grooves 6 are opened on the top surface of the fixed plate 5, an inclined plate 7 is fixedly connected to the top surface of the fixed plate 5 located on the right side of the first through groove 6, a guide plate 8 is fixedly connected to the side wall of the inclined plate 7 and the left side of the first through groove 6, a baffle 9 is provided on the inner cavity of the separation box 1 located at the lower side of the fixed plate 5, a plurality of second through grooves 10 are opened on the top surface of the baffle 9, the first through grooves 6 and the second through grooves 10 are staggered, an electric push rod 11 is installed on the side wall of the separation box 1, the output end of the electric push rod 11 is fixedly connected to the baffle 9, and a sealing component is provided on the bottom surface of the fixed plate 5.

[0025] Specifically, the inclined plate 7 and the guide plate 8 are both in an inclined state. When particles or flocs are in the sedimentation process, they can use the inclined surfaces of the inclined plate 7 and the guide plate 8 to slide into the bottom of the separation box 1 to prevent particles and flocs from remaining in the liquid. After the solids are precipitated, the electric push rod 11 can be controlled to drive the baffle 9 to seal the fixed plate 5, so that the first through groove 6 and the second through groove 10 are in a staggered state, dividing the separation box 1 into two chambers, which is convenient for the separate discharge of solids and liquids.

[0026] In order to further improve the sealing between the fixing plate 5 and the baffle plate 9, as shown in FIG. Figure 8 As shown, the sealing assembly includes a plurality of annular grooves 12 opened on the bottom surface of the fixed plate 5, the annular grooves 12 are rectangular, and the annular grooves 12 are respectively located outside the first through grooves 6. The top surfaces of the annular grooves 12 are fixedly connected to a plurality of first springs 13, and the bottom surfaces of the first springs 13 are fixedly connected to a sealing ring 14. The bottom surface of the sealing ring 14 and the top surface of the baffle 9 are respectively fixedly connected to magnetic sheets 15, and the magnetic sheets 15 on both sides are magnetically attracted to each other.

[0027] The gap between the fixed plate 5 and the baffle 9 can be further reduced by the sealing assembly, and the suction force of the magnetic sheets 15 on both sides is greater than the elastic force of the first spring 13. Therefore, when the magnetic sheets 15 on both sides are attracted to each other, the sealing ring 14 is pulled down to fit around the second through groove 10 to achieve a sealing effect. This principle is similar to that of a magnetic door lock.

[0028] like Figure 2 and Figure 7As shown, the material control assembly includes a cam 23 fixedly connected to the side wall of the rotating shaft 19, a rectangular groove is provided on the side wall of the lower medicine tube 22, a movable plate 24 is movably connected in the rectangular groove, a circular hole 25 is provided on the top surface of the movable plate 24, the circular hole 25 is adapted to the lower medicine tube 22, and an elastic member is provided on the end surface of the movable plate 24.

[0029] Specifically, the swing of the cam 23 can drive the movable plate 24 to perform telescopic movement. When the circular hole 25 is connected to the lower medicine pipe 22, the flocculant or coagulant aid in the medicine box 21 falls and mixes with the sludge, achieving the purpose of mixing while adding. When the medicine dosage is within a suitable range, the motor 18 stops and the medicine stops being added. After that, it is left to stand for a certain period of time to allow the solid matter to settle.

[0030] like Figure 7 As shown, the end surface of the movable plate 24 is rotatably connected to a movable wheel 29 , and the movable wheel 29 abuts against the side wall of the cam 23 .

[0031] The elastic member includes a limiting rod 26 fixedly connected to the side wall of the movable plate 24 , the other end of the limiting rod 26 passes through the separation box 1 and is movably connected thereto, and a second spring 27 is sleeved on the side wall of the limiting rod 26 .

[0032] Among them, the movable wheel 29 can reduce the contact friction between the movable plate 24 and the cam 23, thereby improving the transmission efficiency of the cam 23. In addition, with the action of the second spring 27, the movable plate 24 can always be in a state of resistance with the cam 23, thereby ensuring the accuracy of the drug delivery.

[0033] like Figure 2 As shown, a protective cover 28 is fixedly connected to the top surface of the inner cavity of the separation box 1, and the material control assembly is located in the protective cover 28. Since the sludge and sewage will splash when the separation box 1 is stirred, in order to avoid affecting the operation of the cam 23, the protective cover 28 can play a protective role and extend the service life of the transmission structure.

[0034] The working principle of the present invention is as follows: first, the construction sludge is discharged into one of the separation boxes 1 through the sewage pipe 2, at which time, the first through groove 6 and the second through groove 10 are in a connected state, the motor 18 is started, and the output shaft of the motor 18 drives the stirring blade 20 to rotate through the rotating shaft 19, and the stirring blade 20 stirs and mixes the construction sludge; The rotating shaft 19 drives the cam 23 to rotate at the same time, and the cam 23 pushes the movable plate 24 to reciprocate, so that the circular hole 25 on the movable plate 24 is intermittently connected with the medicine lowering pipe 22. When the circular hole 25 is connected with the medicine lowering pipe 22, the flocculant or coagulant aid in the medicine box 21 falls and mixes with the sludge. When the amount of flocculant added reaches the set interval, the motor 18 stops running, and the movable plate 24 blocks the medicine lowering pipe 22. During the static process of the sludge, the particles and flocs begin to sink and settle at the bottom of the separation box 1 through the first through groove 6 and the second through groove 10. When the sedimentation reaches the set time, the electric push rod 11 is started to drive the baffle 9 to move, so that the second through groove 10 on the baffle 9 is staggered with the first through groove 6, the first through groove 6 is blocked, and the separation box 1 is divided into two chambers; At the same time, after the baffle 9 moves, the magnetic sheets 15 on both sides attract each other, and the first spring 13 is stretched, and the sealing ring 14 is used to further seal, and then the precipitated sludge or floccules are discharged through the mud discharge pipe 17, and the upper liquid is discharged through the water purification pipe 16, so as to achieve the effect of solid-liquid separation. The discharged solids and liquids can be used for soil improvement, fertilization and irrigation after fermentation; During the re-sludge treatment process, by controlling the first valve 3, the construction sludge can be discharged into the separation box 1 on the other side, so as to achieve the purpose of continuous treatment, thereby improving the purpose of recycling construction waste and maximizing the rational recycling of waste resources.

[0035] The above is only a preferred embodiment of the present invention. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principles of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the art unless otherwise specified and limited.

Claims

1. A construction waste recycling device for soil improvement, characterized in that: It comprises a plurality of separation boxes (1), wherein sewage pipes (2) are fixedly connected between the separation boxes (1), a plurality of first valves (3) are installed on the side walls of the sewage pipes (2), the bottom surfaces of the separation boxes (1) are all fixedly connected with brackets (4), and a connection control component is arranged near the bottom surface of the inner cavity of the separation box (1); A plurality of the side walls of the separation boxes (1) are located on the upper side of the connection control assembly and are fixedly connected to a clean water pipe (16); a plurality of the side walls of the separation boxes (1) are located on the lower side of the connection control assembly and are fixedly connected to a mud discharge pipe (17); a plurality of second valves (30) are installed on the side walls of the clean water pipe (16) and the mud discharge pipe (17); The top surface of the inner cavity of the separation box (1) is rotatably connected to a rotating shaft (19), a stirring blade (20) is fixedly connected to the side wall of the rotating shaft (19), a motor (18) is fixedly installed on the top surface of the separation box (1), and an output shaft of the motor (18) is fixedly connected to the rotating shaft (19); The top surface of the separation box (1) is fixedly connected to a medicine box (21), the interior of the medicine box (21) is divided into at least two chambers, the bottom surface of the medicine box (21) is fixedly connected to a medicine lowering tube (22), the medicine lowering tube (22) extends into the interior of the separation box (1), and a material control component is provided on the side wall of the rotating shaft (19).

2. The construction waste recycling device for soil improvement according to claim 1, characterized in that: The connection control component comprises a fixed plate (5) fixedly connected to the inner wall of the separation box (1), a plurality of first through slots (6) being provided on the top surface of the fixed plate (5), a slanted plate (7) being fixedly connected to the top surface of the fixed plate (5) located on the right side of the first through slot (6), a guide plate (8) being fixedly connected to the side wall of the slanted plate (7) and the left side of the first through slot (6), a baffle (9) being provided on the inner cavity of the separation box (1) located on the lower side of the fixed plate (5), a plurality of second through slots (10) being provided on the top surface of the baffle (9), the first through slots (6) and the second through slots (10) being arranged in an alternating manner, an electric push rod (11) being installed on the side wall of the separation box (1), the output end of the electric push rod (11) being fixedly connected to the baffle (9), and a sealing component being provided on the bottom surface of the fixed plate (5).

3. The construction waste recycling device for soil improvement according to claim 2 is characterized in that: The sealing assembly comprises a plurality of annular grooves (12) formed on the bottom surface of the fixed plate (5), the annular grooves (12) being rectangular and respectively located outside the first through grooves (6), the top surfaces of the annular grooves (12) being fixedly connected to a plurality of first springs (13), and the bottom surfaces of the first springs (13) being fixedly connected to a sealing ring (14).

4. The construction waste recycling device for soil improvement according to claim 3 is characterized in that: The bottom surface of the sealing ring (14) and the top surface of the baffle (9) are respectively fixedly connected with magnetic sheets (15), and the magnetic sheets (15) on both sides are magnetically attracted to each other.

5. The construction waste recycling device for soil improvement according to claim 1 is characterized in that: The material control assembly comprises a cam (23) fixedly connected to the side wall of the rotating shaft (19); a rectangular groove is provided on the side wall of the lower medicine tube (22); a movable plate (24) is movably connected in the rectangular groove; a circular hole (25) is provided on the top surface of the movable plate (24); the circular hole (25) is adapted to fit the lower medicine tube (22); and an elastic member is provided on the end surface of the movable plate (24).

6. The construction waste recycling device for soil improvement according to claim 5, characterized in that: The end surface of the movable plate (24) is rotatably connected to a movable wheel (29), and the movable wheel (29) abuts against a side wall of the cam (23).

7. The construction waste recycling device for soil improvement according to claim 5, characterized in that: The elastic member comprises a limiting rod (26) fixedly connected to the side wall of the movable plate (24); the other end of the limiting rod (26) passes through the separation box (1) and is movably connected thereto; and a second spring (27) is sleeved on the side wall of the limiting rod (26).

8. The construction waste recycling device for soil improvement according to claim 1 is characterized in that: A protective cover (28) is fixedly connected to the top surface of the inner cavity of the separation box (1), and the material control component is located inside the protective cover (28).

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