CN113232195A

CN113232195A - Water immersion type screening machine

Info

Publication number: CN113232195A
Application number: CN202110688944.2A
Authority: CN
Inventors: 陈波; 朱家睿; 章祖平; 孔令杰
Original assignee: High Energy Nanjing Environmental Protection Technology Co ltd
Current assignee: High Energy Nanjing Environmental Protection Technology Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-08-10

Abstract

A water immersion type screening machine is characterized by comprising a water tank (4), a screen drum (3), a fine material box (9), a mixing box (10) and a coarse material box (11), wherein one side of the screen drum (3) is connected with a supporting shaft (14), the other side of the screen drum (3) is provided with a central through hole (15), a discharge pipe (7) and a feed pipe (6) are installed in the central through hole, one end of the discharge pipe, which is positioned in the screen drum, is provided with a hopper (16), and the lower part of the hopper (16) is provided with a discharge port communicated with the discharge pipe; the lower part is communicated with the coarse material box (11) through a central through hole; the surface of a sieve section of thick bamboo is equipped with screen cloth (1), and the internal surface of screen cloth is equipped with baffle (2), and the mixture whereabouts that flows from the inlet pipe is on the screen cloth, and the rubber granule that is less than the screen cloth aperture falls into water tank (4) and discharges into in thin workbin (9) through discharge pump (8) and with retrieving, and the large granule rubber that is greater than the screen cloth aperture stops on screen section of thick bamboo internal surface baffle 2 to by baffle 2 rotatory taking to the screen section of thick bamboo top by the dead weight fall into the hopper in the coarse fodder case of finally discharging into. The invention has simple structure and good screening effect.

Description

Water immersion type screening machine

Technical Field

The invention relates to screening equipment, in particular to a screening machine suitable for screening semi-suspended particles with the specific gravity close to that of water, and particularly relates to a water immersion type screening machine.

Background

With the popularization of automobiles, the recycling of waste tires has long been a difficult problem in the industry, and rubber is a non-degradable organic matter and occupies a large amount of land information after being stacked for a long time. The most original treatment method is incineration power generation, but the pollution caused by the incineration power generation is serious.

In recent years, people have invented a technology for secondary utilization after cutting and crushing water, for example, Chinese patent 200610096128.8 discloses a technology for preparing rubber powder by cutting waste tires with high-pressure water and secondarily utilizing the rubber powder.

Rubber granule after the cutting of in-service use is smashed to the normal water is not of uniform size, need classify, use or so that carry out subsequent smashing, the method that classification was used commonly utilizes the screening machine to sieve, but current screening machine is the dry-type sifting powder mostly, can produce a large amount of raise dusts in the in-service use, is unfavorable for the environmental protection, and the rubber granule water content after the water jet is smashed is great, also is not applicable to dry-type screening, consequently needs design a wet-type screening machine.

Disclosure of Invention

The invention aims to design a water immersion type sieving machine aiming at the problem that rubber is not suitable for dry sieving due to large water content after being cut and crushed by ultrahigh pressure water.

One of the technical schemes of the invention is as follows: (as shown in FIG. 1 and FIG. 2)

A water immersion type screening machine is characterized by comprising a water tank 4, a screen cylinder 3, a fine material box 9, a material mixing box 10 and a coarse material box 11, wherein one side of the screen cylinder 3 is connected with a supporting shaft 14, the supporting shaft 14 is installed on the water tank 4 through a bearing 13, the supporting shaft 14 is driven to rotate by a transmission device 12 so as to drive the screen cylinder 3 to rotate in a semi-submerged state in the water tank 4, the other side of the screen cylinder 3 is provided with a central through hole 15, a discharge pipe 7 and a feed pipe 6 are installed in the central through hole 15, one end, located in the screen cylinder 3, of the discharge pipe 7 is provided with a hopper 16, and the lower part of the hopper 16 is provided with a discharge port communicated with the discharge pipe 7; the lower part is communicated with the coarse material box 11 by penetrating through the central through hole 15; one end of the feeding pipe 6 is communicated with the feeding pump 5, the feeding pump 5 is communicated with the mixing box 10, the other end of the feeding pipe 6 extends into the screen cylinder 3 through the central through hole 15, and the mixture pumped by the feeding pump 5 from the mixing box 10 is sprayed into the screen cylinder 3 through the spray holes on the feeding pipe; the outer surface of a screen drum 3 is provided with a screen mesh 1, the inner surface of the screen mesh 3 is provided with a baffle 2, a mixture flowing out of a feeding pipe 6 is sprayed and falls on the screen mesh 1, rubber particles smaller than the aperture of the screen mesh 1 fall into a water tank 4 and are discharged into a fine material tank 9 through a discharge pump 8 for recycling, large-particle rubber larger than the aperture of the screen mesh 1 stays on the inner surface of the screen drum and is blocked by the baffle 2 to be brought to the top in the screen drum by the baffle in the rotation process of the screen drum, and when the large-particle rubber rotates to the upper part of the screen drum along with the baffle, the large-particle rubber falls into a hopper 16 under the action of gravity and finally is discharged into a coarse material tank 11.

The second technical scheme of the invention is as follows: (as shown in fig. 3 and 4)

A water immersion type screening machine is characterized by comprising a water tank 4, a screen cylinder 3, a fine material box 9, a material mixing box 10 and a coarse material box 11, wherein two sides of the screen cylinder 3 are both connected with a supporting shaft 14, the supporting shaft 14 is installed on the water tank 4 through a bearing 13, the supporting shaft 14 is driven to rotate by a transmission device 12 so as to drive the screen cylinder 3 to rotate in a semi-submerged state in the water tank 4, the supporting shaft 14 on one side is provided with a central through hole 15, a discharge pipe 7 and a feed pipe 6 are installed in the central through hole 15, one end, located in the screen cylinder 3, of the discharge pipe 7 is provided with a hopper 16, and the lower part of the hopper 16 is provided with a discharge port communicated with the discharge pipe 7; the lower part is communicated with the coarse material box 11 by passing through a supporting shaft 14; one end of the feeding pipe 6 is communicated with the feeding pump 5, the feeding pump 5 is communicated with the mixing box 10, the other end of the feeding pipe 6 extends into the screen cylinder 3 through the central through hole 14, and the mixture pumped by the feeding pump 5 from the mixing box 10 is sprayed into the screen cylinder 3 through the spray holes on the feeding pipe; the outer surface of a screen drum 3 is provided with a screen mesh 1, the inner surface of the screen mesh 3 is provided with a baffle 2, a mixture flowing out of a feeding pipe 6 is sprayed and falls on the screen mesh 1, rubber particles smaller than the aperture of the screen mesh 1 fall into a water tank 4 and are discharged into a fine material tank 9 through a discharge pump 8 for recycling, large-particle rubber larger than the aperture of the screen mesh 1 stays on the inner surface of the screen drum and is blocked by the baffle 2 to be brought to the top in the screen drum by the baffle in the rotation process of the screen drum, and when the large-particle rubber rotates to the upper part of the screen drum along with the baffle, the large-particle rubber falls into a.

The transmission device 12 consists of a motor, a driving belt pulley and a driven belt pulley, the driving belt pulley is arranged on an output shaft of the motor, the driven belt pulley is arranged on a supporting shaft 14,

the bearing 13 is mounted on the wall of the water tank 4.

The water tank 4 is internally provided with a liquid level sensor, the discharging pump 8 is controlled by the liquid level sensor, when the water level in the water tank is higher than the maximum set value, the discharging pump starts to work, and when the water level in the water tank is lower than the horizontal plane, the discharging pump 8 stops so that the lower part of the screen cylinder is immersed in water.

The invention has the beneficial effects that:

the invention has simple structure, convenient manufacture and low cost, can be used as a matching device of decomposing equipment for cutting and crushing tire rubber powder by water jet and can be used for sieving water-carrying particles.

The invention utilizes the water immersion characteristic, can realize convenient raw material grading according to particles without being influenced by the water content of the raw material, and can carry out multi-stage screening if required.

Drawings

FIG. 1 is a schematic diagram of the present invention.

Fig. 2 is a sectional view a-a of fig. 1.

FIG. 3 is a second schematic structural diagram of the present invention.

Fig. 4 is a sectional view a-a of fig. 3.

Detailed Description

The invention is further described below with reference to the figures and examples.

The first embodiment.

As shown in fig. 1-2.

A water immersion type sieving machine comprises a water tank 4, a sieve cylinder 3, a fine material box 9, a mixing box 10 and a coarse material box 11, wherein one side of the sieve cylinder 3 is connected with a supporting shaft 14, and the supporting shaft 14 is arranged on the water tank 4 through a bearing 13, as shown in the left side of figure 1. The supporting shaft 14 is driven by a transmission device 12 to rotate so as to drive the screen drum 3 to rotate in a semi-submerged state in the water tank 4, the transmission device 12 comprises a motor, a driving belt pulley and a driven belt pulley, the driving belt pulley is mounted on an output shaft of the motor, the driven belt pulley is mounted on the supporting shaft 14, a central through hole 15 is formed in the other side of the screen drum 3, a discharge pipe 7 and a feed pipe 6 are mounted in the central through hole 15, a hopper 16 is mounted at one end, located in the screen drum 3, of the discharge pipe 7, and a discharge port communicated with the discharge pipe 7 is formed in the lower portion of the hopper 16; the lower part is communicated with the coarse material box 11 by penetrating through the central through hole 15; one end of the feeding pipe 6 is communicated with the feeding pump 5, the feeding pump 5 is communicated with the mixing box 10, and the other end of the feeding pipe 6 extends into the screen cylinder 3 through the central through hole 15 so as to spray the mixture pumped by the feeding pump 5 from the mixing box 10 into the screen cylinder 3 through the spray holes on the feeding pipe; the outer surface of the screen cylinder 3 is provided with a screen mesh 1, the inner surface of the screen mesh 3 is provided with a baffle 2, a mixture flowing out of a feeding pipe 6 is sprayed and falls on the screen mesh 1, rubber particles smaller than the aperture of the screen mesh 1 fall into a water tank 4 and are discharged into a fine material tank 9 through a discharging pump 8 for recycling, large-particle rubber larger than the aperture of the screen mesh 1 stays on the inner surface of the screen cylinder and is blocked by the baffle 2, the inner baffle is brought to the top in the screen cylinder in the rotation process of the screen cylinder, when the large-particle rubber rotates to the upper part of the screen cylinder along with the baffle, the large-particle rubber falls into a hopper 16 under the action of gravity and is finally discharged into a coarse material tank 11, as shown in figure 2, if necessary, a flushing pipe can be additionally arranged at the highest point of the screen cylinder, and large particles at the baffle are flushed into a material half 16 by water flow. The discharge pump 8 can adopt an electric control device to control the work of the discharge pump, and can also adopt manual observation to control the work, a liquid level sensor is required to be installed in the water tank 4 during electric control, the discharge pump 8 is controlled by the liquid level sensor, when the water level in the water tank is greater than a set value, the discharge pump 8 starts to work, and when the water level is less than the set value, the discharge pump stops working, so that the lower part of the screen cylinder is immersed in water all the time.

In specific implementation, a plurality of screening machines of the embodiment can be arranged on the same water jet cutting and crushing device, and the fine material box or the coarse material box can be used as a raw material box (mixing box) of another screening machine for multi-stage utilization.

The working principle of the embodiment is as follows:

rubber particles after water cutting are thick and thin and rich in moisture, colloidal particles in water are screened out by a water-immersion type screening method, colloidal particles smaller than a certain mesh (which can be artificially determined by a screen) are flushed out of holes of the screen 1 by water and enter a water tank 4, the colloidal particles are pumped into a fine material box 9 by a discharge pump 8, the colloidal particles larger than the mesh of the screen 1 are taken out of a horizontal plane by a baffle plate 2 when rotating, and freely fall into a discharge hopper 16 when rotating to the upper space, and are flushed into a discharge pipe 7 by water flow to be collected in a coarse material box 11.

As shown in figure 1, the screen mesh 1 is fixed on a screen cylinder 3, and the mesh number can be changed; the baffle plates 2 are fixed on the circumferential inner surface of the screen drum 3 and are uniformly distributed, and the screen drum 3 adopts a single-support type and is supported above the water tank 4 by a bearing 13 to rotate; the water tank 4 is a supporting box body of the screen drum 3; the feeding pump 5 is used for feeding the sieving machine; the feed pipe 6 is the passage of the feed; a discharge pipe 7 for conveying and discharging the screened coarse material to a coarse material box 11; the discharge pump 8 discharges the fines that are screened down into the water tank 4 to the fines tank 9.

Example two.

As shown in fig. 3-4.

A water immersion type sieving machine comprises a water tank 4, a sieve drum 3, a fine material box 9, a mixing box 10 and a coarse material box 11, wherein two sides of the sieve drum 3 are respectively connected with a supporting shaft 14, the supporting shafts 14 are arranged on the water tank 4 through bearings 13, and the bearings 3 are arranged on the wall of the water tank 4. The supporting shaft 14 is driven by a transmission device 12 to rotate so as to drive the sieve drum 3 to rotate in the water tank 4, the transmission device 12 is composed of a motor, a driving belt pulley and a driven belt pulley, the driving belt pulley is installed on an output shaft of the motor, the driven belt pulley is installed on the supporting shaft 14, the supporting shaft 14 on one side (the right side in fig. 3) is provided with a central through hole 15, a discharge pipe 7 and a feed pipe 6 are installed in the central through hole 15, one end, located in the sieve drum 3, of the discharge pipe 7 is provided with a hopper 16, and the lower portion of the hopper 16 is provided with a discharge port communicated with the discharge pipe 7; the lower part is communicated with the coarse material box 11 by passing through the material inlet and outlet shaft 14; one end of the feeding pipe 6 is communicated with the feeding pump 5, the feeding pump 5 is communicated with the mixing box 10, and the other end of the feeding pipe 6 extends into the screen cylinder 3 through the central through hole 15 so as to spray the mixture pumped by the feeding pump 5 from the mixing box 10 into the screen cylinder 3 through the spray holes on the feeding pipe; the outer surface of a screen drum 3 is provided with a screen mesh 1, the inner surface of the screen mesh 3 is provided with a baffle 2, a mixture flowing out from a feeding pipe 6 falls on the screen mesh 1, rubber particles smaller than the aperture of the screen mesh 1 fall into a water tank 4 and are discharged into a fine material tank 9 through a discharge pump 8 for recycling, large-particle rubber larger than the aperture of the screen mesh 1 stays on the inner surface of the screen drum and is blocked by the baffle 2 to be brought to the top in the screen drum by the baffle in the rotation process of the screen drum, and when the large-particle rubber rotates to the upper part of the screen drum along with the baffle, the large-particle rubber falls into a hopper 16 under the action of gravity and is finally discharged into a coarse material tank 11. The discharge pump 8 can adopt an electric control device to control the work of the discharge pump, and can also adopt manual observation to control the work, a liquid level sensor is required to be installed in the water tank 4 during electric control, the discharge pump 8 is controlled by the liquid level sensor, when the water level in the water tank is greater than a set value, the discharge pump 8 starts to work, and when the water level is less than the set value, the discharge pump stops working, so that the lower part of the screen cylinder is immersed in water all the time.

The working principle of the embodiment is as follows:

As shown in figure 1, the screen mesh 1 is fixed on a screen cylinder 3, and the mesh number can be changed; the baffle plates 2 are fixed on the circumferential inner surface of the screen drum 3 and are uniformly distributed, and the screen drum 3 adopts a double-support type and is supported above the water tank 4 by a bearing 13 to rotate; the water tank 4 is a supporting box body of the screen drum 3; the feeding pump 5 is used for feeding the sieving machine; the feed pipe 6 is the passage of the feed; a discharge pipe 7 for conveying and discharging the screened coarse material to a coarse material box 11; the discharge pump 8 discharges the fines that are screened down into the water tank 4 to the fines tank 9.

The parts not involved in the present invention are the same as or can be implemented using the prior art.

Claims

1. A water immersion type screening machine is characterized by comprising a water tank (4), a screen drum (3), a fine material box (9), a mixing box (10) and a coarse material box (11), wherein one side of the screen drum (3) is connected with a supporting shaft (14), the supporting shaft (14) is installed on the water tank (4) through a bearing (13), the supporting shaft (14) is driven by a transmission device (12) to rotate so as to drive the screen drum (3) to rotate in the water tank (4), a central through hole (15) is formed in the other side of the screen drum (3), a discharging pipe (7) and a feeding pipe (6) are installed in the central through hole (15), a hopper (16) is installed at one end, located in the screen drum (3), of the discharging pipe (7), and a discharging port communicated with the discharging pipe (7) is formed in the lower portion of the hopper (16); the lower part of the upper part is communicated with the coarse material box (11) by penetrating through the central through hole (15); one end of a feeding pipe (6) is communicated with a feeding pump (5), the feeding pump (5) is communicated with a mixing box (10), the other end of the feeding pipe (6) extends into the screen cylinder (3) through a central through hole (15), and mixture pumped by the feeding pump (5) from the mixing box (10) is sprayed into the screen cylinder (3) through spray holes on the feeding pipe; the surface of a sieve section of thick bamboo (3) is equipped with screen cloth (1), the internal surface of a sieve section of thick bamboo (3) is equipped with baffle (2), the mixture blowout whereabouts that flows out from inlet pipe (6) is on screen cloth (1), the granule that is less than screen cloth (1) aperture falls into water tank (4), discharge pump (8) and arrange into in thin workbin (9) and with the collection, the large granule that is greater than screen cloth (1) aperture stops at a sieve section of thick bamboo internal surface and is blocked by baffle (2) and takes to a sieve section of thick bamboo top by the baffle in sieve section of thick bamboo rotation process, when the large granule rotates sieve section of thick bamboo upper portion along with the baffle, fall under the action of gravity and finally arrange into thick workbin (11) in hopper (16).

2. A water immersion type screening machine is characterized by comprising a water tank (4), a screen cylinder (3), a fine material box (9), a mixing box (10) and a coarse material box (11), wherein supporting shafts (14) are connected to two sides of the screen cylinder (3), the supporting shafts (14) are installed on the water tank (4) through bearings (13), the supporting shafts (14) are driven to rotate by a transmission device (12) so as to drive the screen cylinder (3) to rotate in the water tank (4), a central through hole (15) is formed in the supporting shaft (14) on one side, a discharging pipe (7) and a feeding pipe (6) are installed in the central through hole (15), a hopper (16) is installed at one end, located in the screen cylinder (3), of the discharging pipe (7), and a discharging port communicated with the discharging pipe (7) is formed in the lower portion of the hopper; the lower part of the feeding shaft is communicated with the coarse material box (11) by passing through the feeding shaft and the discharging shaft (14); one end of a feeding pipe (6) is communicated with a feeding pump (5), the feeding pump (5) is communicated with a mixing box (10), the other end of the feeding pipe (6) extends into the screen cylinder (3) through a central through hole (15), and mixture pumped by the feeding pump (5) from the mixing box (10) is sprayed into the screen cylinder (3) through spray holes on the feeding pipe; the surface of a sieve section of thick bamboo (3) is equipped with screen cloth (1), the internal surface of screen cloth (3) is equipped with baffle (2), the mixture that flows out from inlet pipe (6) falls on screen cloth (1), the granule that is less than screen cloth (1) aperture falls into in water tank (4), discharge pump (8) and discharge into in thin workbin (9) with the collection, the large granule rubber that is greater than screen cloth (1) aperture stops at a sieve section of thick bamboo internal surface and blocks by baffle (2) and take to sieve section of thick bamboo top in sieve section of thick bamboo rotation in-process, when the large granule rotates sieve section of thick bamboo upper portion along with the baffle, fall under the action of gravity and finally discharge coarse fodder box (11) in hopper (16).

3. The water immersion screen grader according to claim 1 or 2, wherein: the transmission device (12) consists of a motor, a driving belt pulley and a driven belt pulley, wherein the driving belt pulley is arranged on an output shaft of the motor, and the driven belt pulley is arranged on a supporting shaft (14).

4. The water immersion screen grader according to claim 1 or 2, wherein: the bearing (3) is arranged on the wall of the water tank (4).

5. The water immersion screen grader according to claim 1 or 2, wherein: a liquid level sensor is installed in the water tank (4), the discharge pump (8) is controlled by the liquid level sensor, and when the water level in the water tank is higher than a maximum set value, the discharge pump starts to work so that the lower part of the screen cylinder can be immersed in water all the time; when the water level in the water tank is less than the minimum set value, the discharge pump stops working.