Device for preparing remediation soil from construction waste

Abstract

The utility model discloses a device for repairing soil by using construction waste, relates to the technical field of construction waste treatment, and solves the problems that metal fragments, light plastics and other harmful substances in the construction waste cannot be effectively separated, and the use requirements are difficult to meet when the construction waste is used for repairing the soil. Comprising a device box body, a pretreatment unit, a crushing and screening unit and a separation unit, and the separation unit comprises an electromagnetic sorting machine and a wind power sorting machine which are arranged in the device box body. Through the arrangement of the separation unit, after construction waste treated by the crushing and screening unit enters the separation unit, metal fragments in construction waste particles are extracted and separated by the electromagnetic sorting machine, and light plastic in the construction waste particles is separated by the wind power sorting machine; and therefore, metal fragments, light plastic and other harmful substances in the construction waste are removed, and the construction waste is safer when being used for repairing soil.

Description

TECHNICAL FIELD

[0001] The utility model relates to building waste processing technical field especially is related to a device of building waste is made and is repaired soil. BACKGROUND

[0002] Building waste refers to the muck, discarded soil, discarded material, silt and other wastes generated in the construction, laying or demolition, repair process of various buildings, structures, pipe networks and the like, and the building waste needs to be crushed by using processing equipment for the convenience of burying or transporting.

[0003] The existing Chinese patent with the publication number CN220861668U discloses a building waste treatment equipment, which comprises a feeding mechanism, a crushing bin and a screening mechanism, two rotatable crushing rollers are arranged in the crushing bin, the two crushing rollers are arranged in meshing relationship, and the crushing teeth on the two crushing rollers are arranged in a staggered manner, a feeding port is formed in the top of the crushing bin, and the feeding port is located above the meshing position of the two crushing rollers; the feeding mechanism comprises a feeding pipe arranged outside the feeding port, the feeding pipe is in communication with the feeding port and extends obliquely relative to the vertical direction; the screening mechanism is arranged in the crushing bin, and the screening mechanism comprises a screen and a cutting cutter head, the screen is arranged below the meshing position of the two crushing rollers, and the cutting cutter head is arranged on the side of the screen facing the crushing rollers.

[0004] For the related technologies in the above, the inventors find that at least the following problems exist in the technology: the existing building waste treatment equipment has a single treatment mode, and harmful substances such as metal fragments and lightweight plastics in the building waste cannot be effectively separated, which cannot meet the use requirements when the building waste is used to repair the soil.

[0005] Therefore, the present application provides a device for making building waste to repair soil. CONTENT OF THE UTILITY MODEL

[0006] In order to solve the problem that harmful substances such as metal fragments and lightweight plastics in the building waste cannot be effectively separated, and it is difficult to meet the use requirements when the building waste is used to repair the soil, the utility model provides a device for making building waste to repair soil.

[0007] The utility model provides a device for making building waste to repair soil, which adopts the following technical scheme:

[0008] The utility model provides a kind of device for making construction waste to repair soil, including device box, preprocessing unit, crushing screening unit and separation unit, the preprocessing unit, crushing screening unit and separation unit are sequentially arranged in device box, and conveying assembly is fixedly installed between preprocessing unit, crushing screening unit and separation unit in the inside of device box;

[0009] The preprocessing unit includes a preliminary crushing mechanism disposed within the device box and a foreign matter removal vibrating screen disposed below the preliminary crushing mechanism. The crushing screening unit includes a double-shaft shredding mechanism disposed within the device box and a plurality of classification vibrating screens disposed below the double-shaft shredding mechanism. The separation unit includes an electromagnetic separator and a pneumatic separator disposed within the device box.

[0010] When the construction waste enters the device box, the preliminary crushing mechanism preliminarily crushes the construction waste to reduce the volume of the construction waste. The preliminarily crushed construction waste falls onto the foreign matter removal vibrating screen. After screening by the foreign matter removal vibrating screen, the appropriate construction waste falls from the foreign matter removal vibrating screen and enters the crushing screening unit through the conveying assembly. The double-shaft shredding mechanism further crushes the construction waste to form smaller particles. The twice-crushed construction waste particles fall onto the classification vibrating screens. After multi-stage screening by the classification vibrating screens, the construction waste particles with a particle size meeting the requirements enter the separation unit through the conveying assembly. The electromagnetic separator extracts and separates metal fragments from the construction waste particles. The pneumatic separator separates lightweight plastics from the construction waste particles. Thus, the metal fragments and the lightweight plastics and other harmful substances in the construction waste are removed, making the construction waste safer for repairing soil.

[0011] Optionally, the device box is fixedly installed with a feeding hopper above the preprocessing unit.

[0012] The construction waste can be placed into the device box from the feeding hopper for processing.

[0013] Optionally, the preliminary crushing mechanism includes two crushing rollers rotatably installed in the device box. A first housing is fixedly installed on the outer side wall of the device box. Two first gears are rotatably installed in the first housing. The first gears are fixedly installed at the ends of the crushing rollers, respectively. A first motor is fixedly installed on the outer side wall of the first housing for driving the first gears to rotate.

[0014] When preliminarily crushing, the first motor can be started to drive the first gears to rotate, so that the first gears drive the crushing rollers to rotate.

[0015] Optionally, a first discharge hopper is arranged on the surface of the device box near the foreign matter removal vibrating screen.

[0016] Through the above technical scheme, after screening through the impurity removing vibrating screen, large impurities which are difficult to handle are discharged from the first discharge hopper.

[0017] Optionally, the double-shaft tearing mechanism comprises two tearing rollers rotatably installed in the device box, a second housing is fixedly installed on the outer side wall of the device box, two second gears are rotatably installed in the second housing, the two second gears are fixedly installed at the ends of the two tearing rollers respectively, and a second motor for driving the second gears to rotate is fixedly installed on the outer side wall of the second housing.

[0018] Through the above technical scheme, during secondary crushing, the second motor can be started to drive the second gears to rotate, so that the second gears drive the tearing rollers to rotate.

[0019] Optionally, a second discharge hopper is arranged on the surface of the device box close to the grading vibrating screen.

[0020] Through the above technical scheme, after multi-stage screening through the grading vibrating screen, construction waste with a particle size not meeting the requirements is discharged from the second discharge hopper.

[0021] Optionally, the conveying assembly comprises a conveying channel fixedly installed in the device box, a spiral auger is rotatably installed in the conveying channel, a third motor for driving the spiral auger to rotate is fixedly installed on the top of the device box, a feeding port is formed in the lower end of the conveying channel, and a discharge pipe is fixedly connected to the upper end of the conveying channel.

[0022] Through the above technical scheme, when conveying the construction waste, the third motor can be started to drive the spiral auger to rotate, and the construction waste enters the conveying channel from the feeding port and is discharged from the discharge pipe to a lower-level processing unit.

[0023] Optionally, a guide plate is fixedly installed in the device box and is arranged to be inclined upward along the feeding port.

[0024] Through the above technical scheme, the construction waste can be conveniently guided into the feeding port.

[0025] In summary, the utility model has the following beneficial effects:

[0026] 1.The utility model discloses a preliminary breaking mechanism is set to the building garbage when entering the device box, and the building garbage is primarily broken, and the volume of building garbage is reduced, and the building garbage after primary crushing falls on the edulcoration vibrating screen, and after screening through the edulcoration vibrating screen, the large sundries difficult to handle is discharged from the first discharge hopper, and through the setting of the crushing screening unit, the building garbage after the pretreatment of the pretreatment unit enters the crushing screening unit, and the double -shaft tearing mechanism can further crush the building garbage, and makes the building garbage form smaller particles, and the building garbage particles after secondary crushing fall on the grading vibrating screen, and after multistage screening through the grading vibrating screen, the building garbage of particle size not meeting the requirement is discharged from the second discharge hopper.

[0027] 2.The utility model discloses the setting of separation unit, and the building garbage after the treatment of the crushing screening unit enters the separation unit, and the electromagnetic sorting machine extracts and separates the metal scrap in the building garbage particles, and the wind sorting machine separates the light plastic in the building garbage particles, to remove the metal scrap and light plastic and other harmful substances in the building garbage, so that the building garbage is safer when used for repairing soil. DRAWINGS

[0028] Figure 1 It is the whole structure schematic diagram of the utility model.

[0029] Figure 2 It is the internal structure schematic diagram of the utility model.

[0030] Figure 3 It is the internal structure schematic diagram of the first shell of the utility model.

[0031] Figure 4 It is the internal structure schematic diagram of the second shell of the utility model.

[0032] Mark explanation:

[0033] 1, device box;11, feed hopper;12, first discharge hopper;13, second discharge hopper;14, guide plate;2, pretreatment unit;21, primary breaking mechanism;211, crushing roller;212, first shell;213, first gear;214, first motor;22, edulcoration vibrating screen;3, crushing screening unit;31, double -shaft tearing mechanism;311, tearing roller;312, second shell;313, second gear;314, second motor;32, grading vibrating screen;4, separation unit;41, electromagnetic sorting machine;42, wind sorting machine;5, conveying assembly;51, conveying channel;52, spiral auger;53, third motor;54, feed port;55, discharge pipe. Specific implementation

[0034] The following will be combined with the drawings of the utility model embodiment in the specific implementation, and specifically explain. Figures 1-4The technical solutions of the embodiments of the present application are clearly and completely described, and obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments.

[0035] Please refer to Figures 1-2 The device for making and repairing soil from construction waste comprises a device box 1, a pretreatment unit 2, a crushing and screening unit 3 and a separation unit 4, the pretreatment unit 2, the crushing and screening unit 3 and the separation unit 4 are sequentially arranged in the device box 1, a feeding hopper 11 is fixedly installed above the pretreatment unit 2 of the device box 1, the construction waste can be put into the device box 1 through the feeding hopper 11 for treatment, and a conveying assembly 5 is fixedly installed between the pretreatment unit 2, the crushing and screening unit 3 and the separation unit 4 in the device box 1, and the construction waste can be sequentially conveyed through the pretreatment unit 2, the crushing and screening unit 3 and the separation unit 4 through the conveying assembly 5.

[0036] Refer to Figures 1-3 The pretreatment unit 2 comprises a primary crushing mechanism 21 arranged in the device box 1 and a foreign matter removing vibration screen 22 arranged below the primary crushing mechanism 21, a first discharge hopper 12 is arranged on the surface of the device box 1 and located close to the foreign matter removing vibration screen 22, when the construction waste enters the device box 1, the primary crushing mechanism 21 can preliminarily crush the construction waste to reduce the volume of the construction waste, the preliminarily crushed construction waste falls onto the foreign matter removing vibration screen 22, after screening through the foreign matter removing vibration screen 22, large-sized foreign matters difficult to be treated are discharged from the first discharge hopper 12, and the suitable construction waste falls from the foreign matter removing vibration screen 22 and then enters the crushing and screening unit 3 through the conveying assembly 5.

[0037] Specifically, the primary crushing mechanism 21 comprises two crushing rollers 211 rotatably installed in the device box 1, a first shell 212 is fixedly installed on the outer side wall of the device box 1, two first gears 213 are rotatably installed in the first shell 212, the two first gears 213 are fixedly installed at the ends of the two crushing rollers 211 respectively, a first motor 214 for driving the first gears 213 to rotate is fixedly installed on the outer side wall of the first shell 212, and when the construction waste is preliminarily crushed, the first motor 214 can be started to drive the first gears 213 to rotate, so that the first gears 213 drive the crushing rollers 211 to rotate.

[0038] Refer to Figures 1-4, the crushing and screening unit 3 includes a double-shaft shredding mechanism 31 arranged in the device box 1 and a plurality of grading vibrating screens 32 arranged below the double-shaft shredding mechanism 31, and a second discharge hopper 13 is arranged on the surface of the device box 1 close to the grading vibrating screens 32, through the arrangement of the crushing and screening unit 3, the construction waste pretreated by the pretreatment unit 2 enters the crushing and screening unit 3, the double-shaft shredding mechanism 31 can further crush the construction waste, so that the construction waste forms smaller particles, and the construction waste particles after secondary crushing fall on the grading vibrating screens 32, and the grading vibrating screens 32 perform multi-stage screening, construction waste with a particle size not meeting the requirements is discharged from the second discharge hopper 13, and construction waste particles with a particle size meeting the requirements enter the separation unit 4 through the conveying assembly 5.

[0039] Specifically, the double-shaft shredding mechanism 31 includes two shredding rollers 311 rotatably arranged in the device box 1, a second housing 312 is fixedly arranged on the outer side wall of the device box 1, two second gears 313 are rotatably arranged in the second housing 312, the two second gears 313 are fixedly arranged at the ends of the two shredding rollers 311 respectively, and a second motor 314 for driving the second gears 313 to rotate is fixedly arranged on the outer side wall of the second housing 312, and during secondary crushing, the second motor 314 can be started to drive the second gears 313 to rotate, so that the second gears 313 drive the shredding rollers 311 to rotate.

[0040] Referring to Figure 2 , the separation unit 4 includes an electromagnetic separator 41 and an air separator 42 arranged in the device box 1, through the arrangement of the separation unit 4, the construction waste treated by the crushing and screening unit 3 enters the separation unit 4, the electromagnetic separator 41 extracts and separates the metal fragments in the construction waste particles, and the air separator 42 separates the light plastic in the construction waste particles, so as to remove harmful substances such as metal fragments and light plastic in the construction waste, and make the construction waste safer when used for soil remediation.

[0041] Referring to Figure 1 and Figure 2 , the conveying assembly 5 includes a conveying channel 51 fixedly arranged in the device box 1, a spiral auger 52 is rotatably arranged in the conveying channel 51, a third motor 53 for driving the spiral auger 52 to rotate is fixedly arranged on the top of the device box 1, a feeding port 54 is arranged at the lower end of the conveying channel 51, and a discharge pipe 55 is fixedly connected to the upper end of the conveying channel 51, through the arrangement of the conveying assembly 5, when conveying the construction waste, the third motor 53 can be started to drive the spiral auger 52 to rotate, the construction waste enters the conveying channel 51 from the feeding port 54, and is discharged from the discharge pipe 55 to the next processing unit.

[0042] The device box 1 is internally fixedly provided with a guide plate 14 which is arranged to be inclined upwardly along the feeding port 54.

[0043] The implementation principle of the utility model is as follows: when the construction waste enters the device box 1, the preliminary crushing mechanism 21 preliminarily crushes the construction waste to reduce the volume of the construction waste, the preliminarily crushed construction waste falls on the impurity removal vibrating screen 22, after screening by the impurity removal vibrating screen 22, large impurities which are difficult to handle are discharged from the first discharge hopper 12, and suitable construction waste falls from the impurity removal vibrating screen 22 and then enters the crushing and screening unit 3 through the conveying assembly 5, the double-shaft tearing mechanism 31 can further crush the construction waste to make the construction waste into smaller particles, the construction waste particles after secondary crushing fall on the grading vibrating screen 32, the construction waste particles are multi-level screened by the grading vibrating screen 32, the construction waste particles which do not meet the particle size requirement are discharged from the second discharge hopper 13, and the construction waste particles which meet the particle size requirement enter the separation unit 4 through the conveying assembly 5, the electromagnetic separator 41 extracts and separates the metal fragments in the construction waste particles, and the pneumatic separator 42 separates the light plastic in the construction waste particles, so that the metal fragments and the light plastic and other harmful substances in the construction waste are removed, and the construction waste is safer when used for soil remediation.

[0044] The above only describes the preferred embodiments of the utility model, and is not used for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A device for making remediation soil from construction waste, comprising a device box (1), a pretreatment unit (2), a crushing and screening unit (3) and a separation unit (4), characterized in that: The pretreatment unit (2), the crushing and screening unit (3) and the separation unit (4) are sequentially arranged in the device box (1), and a conveying assembly (5) is fixedly installed between the pretreatment unit (2), the crushing and screening unit (3) and the separation unit (4) in the device box (1). The pretreatment unit (2) comprises a primary crushing mechanism (21) arranged in the device box (1) and a dedusting vibration screen (22) arranged below the primary crushing mechanism (21), the crushing and screening unit (3) comprises a double-shaft tearing mechanism (31) arranged in the device box (1) and a plurality of grading vibration screens (32) arranged below the double-shaft tearing mechanism (31), and the separation unit (4) comprises an electromagnetic separator (41) and an air separator (42) arranged in the device box (1).

2. The apparatus for making a repaired soil from construction waste according to claim 1, wherein: The device box (1) is fixedly installed with a feeding hopper (11) above the pretreatment unit (2).

3. The device for making a repaired soil from construction waste according to claim 1, characterized in that: The primary crushing mechanism (21) comprises two crushing rollers (211) rotatably installed in the device box (1), a first housing (212) is fixedly installed on the outer side wall of the device box (1), two first gears (213) are rotatably installed in the first housing (212), the two first gears (213) are fixedly installed at the ends of the two crushing rollers (211) respectively, and a first motor (214) for driving the first gears (213) to rotate is fixedly installed on the outer side wall of the first housing (212).

4. The apparatus of claim 1, wherein: The device box (1) is provided with a first discharge hopper (12) near the dedusting vibration screen (22).

5. The apparatus of claim 1, wherein: The double-shaft tearing mechanism (31) comprises two tearing rollers (311) rotatably installed in the device box (1), a second housing (312) is fixedly installed on the outer side wall of the device box (1), two second gears (313) are rotatably installed in the second housing (312), the two second gears (313) are fixedly installed at the ends of the two tearing rollers (311) respectively, and a second motor (314) for driving the second gears (313) to rotate is fixedly installed on the outer side wall of the second housing (312).

6. The apparatus of claim 1, wherein: The device box (1) is provided with a second discharge hopper (13) near the grading vibration screen (32).

7. The apparatus of claim 1, wherein: The conveying assembly (5) comprises a conveying channel (51) fixedly installed in the device box (1), a spiral auger (52) rotatably installed in the conveying channel (51), a third motor (53) fixedly installed on the top of the device box (1) and used for driving the spiral auger (52) to rotate, a feeding port (54) formed at the lower end of the conveying channel (51), and a discharge pipe (55) fixedly connected to the upper end of the conveying channel (51).

8. A device for making a remediation soil from construction waste according to claim 7, characterized in that: A guide plate (14) is fixedly installed in the device box (1) and inclined upward along the feeding port (54).

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