CN216225238U - Multistage screening recovery unit of merchant's concrete residual material - Google Patents

Abstract

The utility model relates to a multistage screening recovery device, in particular to a multistage screening recovery device for commercial concrete residual materials. This recovery unit comprises multistage screening mechanism and motor, and multistage screening mechanism slope sets up, and multistage screening mechanism comprises shell body, a secondary screen section of thick bamboo, a primary screen section of thick bamboo and inlet pipe, installs a secondary screen section of thick bamboo through the bearing in the shell body, is provided with a primary screen section of thick bamboo in the secondary screen section of thick bamboo, and the cartridge has the inlet pipe on the primary screen section of thick bamboo, and the motor is installed to the inlet pipe end in the shell body outside, motor output shaft end and primary screen section of thick bamboo fixed connection in the primary screen section of thick bamboo. The recovery device can recover mud, fine sand and stones respectively, and the commercial concrete residual materials are input into the feeding pipe only after the motor is started in the recovery process, so that the process steps can be effectively simplified, and a plurality of devices are not required to be matched; and the separation effect can be ensured; the problems that the existing separation mode has many process steps and a plurality of devices are needed to be matched in the separation process are solved.

Description

Multistage screening recovery unit of merchant's concrete residual material

Technical Field

The utility model relates to a multistage screening recovery device, in particular to a multistage screening recovery device for commercial concrete residual materials.

Background

Commercial concrete, namely commercial concrete, has the following advantages: 1. the quality of the construction engineering can be improved; 2. the construction period can be greatly shortened, and the construction speed is improved; 3. the material waste can be reduced; 4. the engineering quantity can be saved; 5. the performance of the concrete can be improved; 6. the construction organization can be improved, the labor intensity is reduced, and the construction management cost, the technical difficulty and the quality risk are reduced; 7. The environment can be protected and improved; 8. can reduce the comprehensive cost. After the commercial concrete is prepared at the commercial concrete station, the commercial concrete is transported to a construction site through a commercial concrete stirring tank car, after the commercial concrete stirring tank car unloads, a certain amount of commercial concrete is usually remained in the commercial concrete stirring tank car, and in order to avoid the blockage of the commercial concrete stirring tank car, the commercial concrete stirring tank car needs to be washed within a certain time after unloading, and the commercial concrete is recovered. During recovery, commercial concrete is generally screened by a vibrating screen to separate mud from individual large stones, and the separation mode often causes that the mud contains a large amount of fine sand, and the mud needs to be screened again by the vibrating screen with larger meshes to separate the fine sand from the mud, so that the mud, the fine sand and the stones can be respectively recovered. The separation mode has multiple process steps, and the separation process needs to be matched with multiple devices, so that the improvement on the separation mode is needed.

Disclosure of Invention

The utility model aims to: the multistage screening and recycling device for the commercial concrete residual materials can separately recycle stones, fine sand and slurry in the commercial concrete and is simple in process.

The technical scheme of the utility model is as follows:

the utility model provides a multistage screening recovery unit of merchant's concrete residual material, it comprises multistage screening mechanism and motor, its characterized in that: multistage screening mechanism slope sets up, multistage screening mechanism is by the shell body, a secondary screen section of thick bamboo, a primary screen section of thick bamboo and inlet pipe constitute, install a secondary screen section of thick bamboo through the bearing in the shell body, be provided with a primary screen section of thick bamboo in the secondary screen section of thick bamboo, the cartridge has the inlet pipe on the primary screen section of thick bamboo, the end of inlet pipe extends to the shell body outside, the motor is installed to the inlet pipe end that extends to the shell body outside, the output shaft end of motor passes in the inlet pipe extends to a primary screen section of thick bamboo, the motor output shaft end that extends to in the primary screen section of thick bamboo passes through connecting rod and primary screen section of thick bamboo fixed connection.

And the diameters of the sieve holes in the secondary sieve cylinder are smaller than those of the sieve holes in the primary sieve cylinder.

The inner walls of the primary screen cylinder and the secondary screen cylinder are respectively provided with a spiral resident plate.

The top end of the primary screen cylinder is connected with the secondary screen cylinder in a sealing mode, and the bottom end of the primary screen cylinder is fixedly connected with the secondary screen cylinder through a supporting rod.

The port of the primary screen drum and the port of the secondary screen drum on one side of the supporting rod extend to the outer side of the outer shell, discharge hoppers are respectively arranged below the port of the primary screen drum and the port of the secondary screen drum which extend to the outer side of the outer shell, and the discharge hoppers are fixedly connected with the outer shell through a supporting plate.

And a slurry discharge port is formed in the bottom of the outer shell on one side of the supporting plate.

The circumference of the feeding pipe is provided with a feeding hole.

The utility model has the beneficial effects that:

the multistage screening recovery device for the commercial concrete residual materials can carry out multistage screening on the commercial concrete residual materials through the secondary screen cylinder and the primary screen cylinder, can respectively recover slurry, fine sand and stones, and can obtain the recovered materials of the slurry, the fine sand and the stones from the discharge hopper and the slurry discharge port respectively by inputting the commercial concrete residual materials into the feed pipe only after the motor is started in the recovery process, so that the process steps can be effectively simplified, and multiple devices are not required to be matched; the residence time of the materials in the primary screen cylinder and the secondary screen cylinder can be prolonged through the residence plate, so that mud, fine sand and stones can be completely separated, and the separation effect is ensured; the problems that the existing separation mode has many process steps and a plurality of devices are needed to be matched in the separation process are solved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure in the direction A-A of FIG. 1;

fig. 3 is a schematic view of the structure in the direction B in fig. 1.

In the figure: 1. motor, 2, shell body, 3, secondary sieve section of thick bamboo, 4, primary sieve section of thick bamboo, 5, inlet pipe, 6, connecting rod, 7, sieve mesh, 8, resident board, 9, bracing piece, 10, play hopper, 11, backup pad, 12, mud discharge gate, 13, feed inlet.

Detailed Description

The multistage screening recovery device for the commercial concrete residual materials comprises a multistage screening mechanism and a motor 1, wherein the multistage screening mechanism is obliquely arranged, so that the commercial concrete residual materials can flow to the lower part of the multistage screening mechanism under the action of self gravity after entering the multistage screening mechanism, and the materials can be conveniently discharged after screening; the multi-stage screening mechanism comprises an outer shell 2, a secondary screen drum 3, a primary screen drum 4 and a feeding pipe 5, wherein the secondary screen drum 3 is installed in the outer shell 2 through a bearing, the primary screen drum 4 is arranged in the secondary screen drum 3, screen holes 7 are uniformly distributed on the primary screen drum 4 and the secondary screen drum 3 respectively, and the diameter of each screen hole 7 on the secondary screen drum 3 is smaller than that of each screen hole 7 on the primary screen drum 4; the primary screen cylinder 4 is used for primarily screening materials through the screen holes 7, the secondary screen cylinder 3 is used for secondarily screening the materials, the diameter of the screen holes 7 in the secondary screen cylinder 3 is smaller than that of the screen holes 7 in the primary screen cylinder 4, the screen holes in the primary screen cylinder 4 can enable slurry and fine sand to pass through, and large-size stones cannot pass through, and then the stones are retained in the primary screen cylinder 4, so that the stones in the materials are screened, when the materials enter the secondary screen cylinder 3, the diameter of the screen holes 7 in the secondary screen cylinder 3 is small, the slurry can pass through, the fine sand cannot pass through, and the fine sand is retained in the secondary screen cylinder 3, so that the fine sand in the materials is screened, the slurry, the fine sand and the stones are separated, and the slurry, the fine sand and the stones can be respectively recovered; the inner walls of the primary screen cylinder 4 and the secondary screen cylinder 3 are respectively provided with spiral residence plates 8, and the residence plates 8 are used for separating materials, so that the materials can be retained in the primary screen cylinder 4 and the secondary screen cylinder 3 between the residence plates 8, the time for the materials to reside in the primary screen cylinder 4 and the secondary screen cylinder 3 is prolonged, mud, fine sand and stones can be completely separated, and the separation effect is ensured; the top end of the primary screen drum 4 is hermetically connected with the secondary screen drum 3, so that materials are not easy to flow into the outer shell 2 from the space between the primary screen drum 4 and the secondary screen drum 3; the bottom end of the primary screen drum 4 is fixedly connected with the secondary screen drum 3 through a support rod 9; ports of the primary screen cylinder 4 and the secondary screen cylinder 3 on one side of the supporting rod 9 extend to the outer side of the outer shell 2, discharge hoppers 10 are respectively arranged below the ports of the primary screen cylinder 4 and the secondary screen cylinder 3 which extend to the outer side of the outer shell 2, the discharge hoppers 10 are fixedly connected with the outer shell 2 through supporting plates 11, the discharge hoppers 10 are used for respectively collecting materials in the primary screen cylinder 4 and the secondary screen cylinder 3 through the corresponding discharge hoppers 10, and simultaneously respectively guiding the stones and fine sand obtained after screening, so that the stones and the fine sand are prevented from being mixed again during discharging; the bottom of the outer shell 2 on one side of the supporting plate 11 is provided with a slurry outlet 12 so as to discharge slurry collected by the outer shell 2 through the slurry outlet 12.

A feeding pipe 5 is inserted into the primary screening cylinder 4, and a feeding hole 13 is formed in the circumference of the feeding pipe 5 so as to feed materials during working through the feeding hole 13 and the feeding pipe 5; the end of inlet pipe 5 extends to the shell body 2 outside, the motor 1 is installed to the 5 ends of inlet pipe that extends to the shell body 2 outside, the output shaft end of motor 1 passes inlet pipe 5 and extends to in the primary screening section of thick bamboo 4, extend to 1 output shaft end of motor in the primary screening section of thick bamboo 4 and pass through connecting rod 6 and primary screening section of thick bamboo 4 fixed connection, the output shaft end of motor 1 passes inlet pipe 5 and extends to in the primary screening section of thick bamboo 4 and primary screening section of thick bamboo 4 fixed connection's purpose is at the in-process through inlet pipe 5 feeding, motor 1 can drive primary screening section of thick bamboo 4 through connecting rod 6 rotatory simultaneously.

When the multistage screening and recycling device for commercial concrete residues works, the motor 1 is started, the motor 1 drives the primary screen cylinder 4 and the secondary screen cylinder 3 to rotate through the connecting rod 6 after being started, and when the motor 1 is started, the rotating direction of the motor 1 is consistent with the upward spiral rotating direction of the resident plate 8 during rotation, so that the resident plate 8 can provide an upward component force for materials during rotation, the descending trend of the materials is reduced, the time of the materials in the primary screen cylinder 4 and the secondary screen cylinder 3 is prolonged, and screening is more thorough; after the motor 1 is started, inputting commercial concrete residual materials into the primary screen cylinder 4 through the feeding hole 13 and the feeding pipe 5, enabling the commercial concrete residual materials to enter the primary screen cylinder 4, separating stones, fine sand and slurry of the commercial concrete residual materials through screening of the primary screen cylinder 4 and the secondary screen cylinder 3, and discharging the commercial concrete residual materials through the corresponding discharging hopper 10 and the slurry discharging hole 12 respectively after the stones, the fine sand and the slurry are separated; during the rotation of the primary screen drum 4 and the secondary screen drum 3, the screen holes 7 at the bottom of the primary screen drum 4 and the secondary screen drum 3 can rotate to the top, in the process that the screen holes 7 at the bottom of the primary screen cylinder 4 and the secondary screen cylinder 3 rotate to the top, the materials are separated from the inner walls of the primary screen cylinder 4 and the secondary screen cylinder 3 under the action of self gravity, thereby ensuring that the material is not easy to block the sieve holes 7 of the primary sieve cylinder 4 and the secondary sieve cylinder 3, keeping the sieving capability of the primary sieve cylinder 4 and the secondary sieve cylinder 3, meanwhile, after the materials are separated from the inner walls of the primary screen cylinder 4 and the secondary screen cylinder 3, the materials are dropped on the primary screen cylinder 4 and the secondary screen cylinder 3, the primary screen cylinder 4 and the secondary screen cylinder 3 can be vibrated in the process that the materials collide with the primary screen cylinder 4 and the secondary screen cylinder 3, thereby enhancing the screening capacity of the primary screen drum 4 and the secondary screen drum 3, when the materials collide with the primary screen drum 4 and the secondary screen drum 3, the material can be vibrated, so that the separation of the materials is convenient, for example, the fine sand is separated from the stone blocks.

The multistage screening recovery device for the commercial concrete residual materials can carry out multistage screening on the commercial concrete residual materials through the secondary screen cylinder 4 and the primary screen cylinder 3, can respectively recover slurry, fine sand and stones, and can obtain the recovered materials of the slurry, the fine sand and the stones from the discharge hopper 10 and the slurry discharge port 12 respectively by inputting the commercial concrete residual materials into the feed pipe 5 only after starting the motor in the recovery process, so that the process steps can be effectively simplified, and multiple devices are not required to be matched; the residence time of the materials in the primary screen cylinder 4 and the secondary screen cylinder 3 can be prolonged through the residence plate 8, so that mud, fine sand and stones can be completely separated, and the separation effect is ensured; the problems that the existing separation mode has many process steps and a plurality of devices are needed to be matched in the separation process are solved.

Claims (6)

1. The utility model provides a multistage screening recovery unit of merchant's concrete residual material, it comprises multistage screening mechanism and motor (1), its characterized in that: multistage screening mechanism slope sets up, multistage screening mechanism is by shell body (2), a secondary screen section of thick bamboo (3), a primary screen section of thick bamboo (4) and inlet pipe (5) constitute, install secondary screen section of thick bamboo (3) through the bearing in shell body (2), be provided with a primary screen section of thick bamboo (4) in secondary screen section of thick bamboo (3), the cartridge has inlet pipe (5) on a primary screen section of thick bamboo (4), the end of inlet pipe (5) extends to the shell body (2) outside, motor (1) is installed to inlet pipe (5) end that extends to the shell body (2) outside, the output shaft end of motor (1) passes inlet pipe (5) and extends to in primary screen section of thick bamboo (4), motor (1) output shaft end that extends to in primary screen section of thick bamboo (4) passes through connecting rod (6) and primary screen section of thick bamboo (4) fixed connection.

2. The multistage screening recovery device of commercial concrete residues as claimed in claim 1, wherein: the sieve is characterized in that sieve holes (7) are uniformly distributed on the primary sieve cylinder (4) and the secondary sieve cylinder (3), and the diameter of each sieve hole (7) on the secondary sieve cylinder (3) is smaller than that of each sieve hole (7) on the primary sieve cylinder (4).

3. The multistage screening recovery device of commercial concrete residues as claimed in claim 1, wherein: the inner walls of the primary screen drum (4) and the secondary screen drum (3) are respectively provided with a spiral resident plate (8).

4. The multistage screening recovery device of commercial concrete residues as claimed in claim 1, wherein: the top end of the primary screen cylinder (4) is hermetically connected with the secondary screen cylinder (3), and the bottom end of the primary screen cylinder (4) is fixedly connected with the secondary screen cylinder (3) through a support rod (9).

5. The multistage screening recovery device of commercial concrete residues as claimed in claim 4, wherein: the primary screen drum (4) and the secondary screen drum (3) on one side of the support rod (9) are provided with ports extending to the outer side of the outer shell (2), a discharge hopper (10) is arranged below the ports of the primary screen drum (4) and the secondary screen drum (3) extending to the outer side of the outer shell (2) respectively, and the discharge hopper (10) is fixedly connected with the outer shell (2) through a support plate (11).

6. The multistage screening recovery device of commercial concrete residues as claimed in claim 5, wherein: a slurry discharge hole (12) is formed in the bottom of the outer shell (2) on one side of the supporting plate (11); the circumference of the feeding pipe (5) is provided with a feeding hole (13).

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