A high-efficiency energy-saving drip separator and a drip separation method

Abstract

The present application relates to a kind of high-efficiency energy-saving drip separator and drip separation method, solve the problem of low filtering efficiency and easy damage filter when filtering of existing drip separator uneven water distribution.It includes shell, the top of shell is equipped with the powder-containing recycled water inlet for powder-containing recycled water to enter, distributor and the drip separation device for separating powder and water in powder-containing recycled water are sequentially arranged from top to bottom in shell, the bottom of shell is equipped with fine powder collection port, corresponding fine powder collection port is equipped with separation packing device below, when separating, powder-containing recycled water is shunted into two or more water streams by two or more distribution channels formed by distributor and shell inner wall, after separation, the water stream after shunting is separated by rotating drip separation device, and is packed again after separation by separation packing device, so that filtering efficiency is high, and water stream is not easy to damage equipment after shunting.

Description

TECHNICAL FIELD

[0001] The present application relates to a high-efficiency energy-saving water draining separator and a water draining separation method. BACKGROUND

[0002] In the current liquid phase method polypropylene, gas phase method polypropylene, various polyethylene or other polyolefin processes, the filtration of the powder in the cutting water after the underwater granulation of the powder and the recycling of the water is a key technology, especially the filtering efficiency, the online rate of the filtering operation, etc. directly restricts the fresh water supplement of the cutting water system, the PH change of the cutting water system, the frequency of the dosing system, the collection of the fine powder after the filtration, the scalding during the operation, and the cleaning, etc.

[0003] The uniform distribution of the powder-containing water before entering the water draining separator and the impact on the filter will affect the filtering efficiency of each filter, and at the same time, the impact will further aggravate the replacement frequency of the filter, accelerate the damage of the shaft end seal of the rotating filter, etc. SUMMARY

[0004] The present application aims to solve the problem of uneven water flow distribution during the filtering of the existing water draining separator, which is easy to damage the filter and has low filtering efficiency.

[0005] To solve the technical problems proposed in the present application, the technical solution adopted is as follows: the high-efficiency energy-saving water draining separator of the present application comprises a shell, a powder-containing recovery water inlet at the top of the shell for the powder-containing recovery water to enter, a distributor and a water draining separation device for separating the powder particles from the water in the powder-containing recovery water, which are arranged in the shell from top to bottom, a fine powder collection port at the bottom of the shell, a separation and packaging device corresponding to the lower part of the fine powder collection port, the distributor is arranged corresponding to the lower part of the powder-containing recovery water inlet, the distributor itself and the distributor and the shell form two or more distribution channels in communication with the water inlet, the water draining separation device is arranged corresponding to the outlet of the distribution channel, the water draining separation device is in a cylindrical structure, a motor is arranged in the shell to drive the water draining separation device to rotate, a first filter mesh hole is arranged on the arc-shaped side wall of the water draining separation device to prevent the powder particles from entering, separation water discharge outlets are arranged at both ends of the cylindrical structure, the fine powder collection port is arranged corresponding to the lower part of the water draining separation device, a clean water inlet is arranged at the top end of the fine powder collection port, the separation and packaging device comprises an inverted V-shaped chute arranged corresponding to the lower part of the fine powder collection port, a second filter mesh hole is arranged on the inverted V-shaped chute to prevent the powder particles from entering, a fine powder collector is arranged corresponding to the low end of the inverted V-shaped chute, and a recovery water tank is arranged corresponding to the second filter mesh hole of the inverted V-shaped chute.

[0006] The high-efficiency energy-saving water draining separation method using the high-efficiency energy-saving water draining separator described above comprises the following steps:

[0007] Step A: The powder-containing recycled water enters the shell through the powder-containing recycled water inlet;

[0008] Step B: The powder-containing recycled water is divided into two or more streams through two or more distribution channels formed by the distributor and the inner wall of the shell;

[0009] Step C: The diverted water flows onto the drain separation device. The motor drives the drain separation device to rotate. The powder particles in the powder-containing recycled water are blocked by the first filter screen and fall down. The water in the powder-containing recycled water enters the cylinder of the drain separation device through the first filter screen and is discharged through the separated water outlet.

[0010] Step D: The falling powder particles fall into the fine powder collection port. Clean water is introduced through the clean water inlet to flush out the powder particles in the fine powder collection port.

[0011] Step E: The water-laden powder particles flow out and fall into the inverted V-shaped chute below the fine powder collection port. The water flows through the second filter screen on the inverted V-shaped chute into the recovery water tank below the second filter screen for recycling. The powder particles are guided into the fine powder collector through the inverted V-shaped chute.

[0012] The technical solutions that further define the present invention include:

[0013] The fine powder collection port has a V-shaped structure, and the clean water inlet is set on the top side wall of the V-shaped structure.

[0014] The distributor includes a primary distributor, which includes a cylindrical primary distributor inlet and a first conical guide section located at the bottom of the primary distributor inlet. The middle part of the first conical guide section is provided with a primary distributor outlet that communicates with the primary distributor inlet.

[0015] The distributor includes a secondary distributor, which includes a cylindrical secondary distributor inlet connected to the outlet of the primary distributor and a second conical guide connected to the bottom of the secondary distributor inlet. The side wall of the secondary distributor inlet is provided with a secondary distributor diversion hole.

[0016] The distributor also includes a third-stage distributor, which includes an inverted V-shaped third guide section disposed at the bottom of both sides of the second conical guide section corresponding to the second-stage distributor.

[0017] The lower end of the inverted V-shaped third guide section is provided with a V-shaped first scraper.

[0018] The outlet of the corresponding distribution channel on the side wall of the housing is provided with a second scraper.

[0019] In step A, the pH value of the powder-containing recycled water is tested and adjusted before it flows into the shell.

[0020] In step C, a scraper is installed at the outlet of the distribution channel to scrape off the powder particles that clog the drain separation device.

[0021] Through the above technical solution, the beneficial effects of the present invention are as follows: During the dewatering process, the high-efficiency and energy-saving dewatering separator of the present invention diverts the powder-containing recycled water into two or more streams through two or more distribution channels formed by the distributor and the inner wall of the shell. The diverted water streams pass through the rotating dewatering separator, where the powder particles in the powder-containing recycled water are blocked by the first filter screen and fall down. The water in the powder-containing recycled water enters the cylinder of the dewatering separator through the first filter screen and is discharged through the separated water outlet. The fallen powder particles fall into the fine powder collection... Inside the collection port, clean water is introduced through the clean water inlet to flush out all the powder particles inside the fine powder collection port. The powder particles, still wet, fall into the inverted V-shaped chute below the fine powder collection port. The water flows through the second filter screen on the inverted V-shaped chute into the recovery water tank below the second filter screen for recycling. The powder particles are guided into the fine powder collector through the inverted V-shaped chute. Thus, the uniform water flow first passes through the drain separation device for separation, and then passes through the separation and packaging device for further separation and packaging. This results in high filtration efficiency, and the water flow is less likely to damage the equipment after being diverted. Attached Figure Description

[0022] Figure 1 This is a cross-sectional structural diagram of a high-efficiency and energy-saving drain separator according to the present invention.

[0023] Figure 2 This is a cross-sectional structural diagram of the shell portion of a high-efficiency and energy-saving drain separator according to the present invention. Detailed Implementation

[0024] The structure of the present invention will be further described below with reference to the accompanying drawings.

[0025] Reference Figure 1 and Figure 2A high-efficiency and energy-saving drain separator includes a shell 1. The top of the shell is provided with a powder-containing recycled water inlet 11 for the powder-containing recycled water to enter. Inside the shell, from top to bottom, there are a distributor 2 and a drain separation device 3 for separating powder particles from water in the powder-containing recycled water. The bottom of the shell is provided with a fine powder collection port 12. A separation and packaging device 4 is provided below the fine powder collection port. The distributor is provided below the powder-containing recycled water inlet. The distributor itself and the distributor and the shell form two or more distribution channels 13 that communicate with the inlet. In this embodiment, the distributor 2 includes a primary distributor 21. The primary distributor 21 includes a cylindrical primary distributor inlet 211 and a first conical guide section 212 provided at the bottom of the primary distributor inlet. The middle part of the first conical guide section is provided with a primary distributor outlet 213 that communicates with the primary distributor inlet. After the powder-containing recycled water passes through the primary distributor, part of the water flows out through the inlet and outlet of the primary distributor, while the other part is discharged through the outer periphery of the first conical guide section. This is the first diversion of the water flow.

[0026] In this embodiment, the distributor 2 includes a secondary distributor 22. The secondary distributor 22 includes a cylindrical secondary distributor inlet 221 connected to the outlet of the primary distributor and a second conical guide section 222 connected to the bottom of the secondary distributor inlet. A secondary distributor diversion hole 223 is provided on the side wall of the secondary distributor inlet. The water flowing out of the outlet of the primary distributor flows into the inlet of the secondary distributor and is then diverted again through the secondary distributor diversion hole on the side wall of the secondary distributor inlet.

[0027] In this embodiment, the distributor 2 further includes a tertiary distributor 23, which includes inverted V-shaped third guide sections 231 at the bottom of both sides of the second conical guide section corresponding to the second-level distributor. The water flow after being diverted by the primary and secondary distributors is further diverted by the tertiary distributor, forming a three-stage diversion before flowing out onto the drain separation device. The distributor itself and the space between the distributor and the housing form two or more distribution channels communicating with the inlet. In this embodiment, one primary and one secondary distributor are provided, and one tertiary distributor is provided, thus forming three distribution channel outlets. Each distribution channel outlet is equipped with a drain separation device. The drain separation device 3 has a cylindrical structure, with a motor 5 inside the housing to drive the drain separation device to rotate. The arc-shaped sidewall of the drain separation device has a first filter screen 31 to prevent powder particles from entering, and the two ends of the cylindrical structure have separated water outlets 32. In this embodiment, the lower end of the inverted V-shaped third guide section has a V-shaped first scraper 232.

[0028] A second scraper 14 is provided on the side wall of the housing 1 corresponding to the outlet of the distribution channel. The first and second scrapers scrape off the powder particles blocking the outlet of the distribution channel to prevent clogging. A fine powder collection port is provided below the drain separation device, and a clean water inlet 6 is provided at the top of the fine powder collection port. The clean water inlet is connected to a clean water pipe. In this embodiment, the fine powder collection port has a V-shaped structure, and the clean water inlet is provided on the top side wall of the V-shaped structure. Powder particles fall into the fine powder collection port of the V-shaped structure and fall down. Clean water is introduced through the clean water inlet to wash away the powder particles and prevent clogging. The separation and packaging device 4 includes an inverted V-shaped chute 41 provided below the fine powder collection port. The inverted V-shaped chute is provided with a second filter screen 42 to prevent powder particles from entering. A fine powder collector 43 is provided at the lower end of the inverted V-shaped chute, and a recovery water tank 44 is provided below the second filter screen of the inverted V-shaped chute.

[0029] The high-efficiency and energy-saving drain separation method using any of the above-described high-efficiency and energy-saving drain separators includes the following steps:

[0030] Step A: The powder-containing recycled water enters the housing through the powder-containing recycled water inlet; in Step A, the pH value of the powder-containing recycled water is tested and adjusted before flowing into the housing to prevent corrosion of the equipment by the powder-containing recycled water.

[0031] Step B: The powder-containing recycled water is divided into two or more streams through two or more distribution channels formed by the distributor and the inner wall of the shell; this reduces the impact of the water flow on the equipment and prevents equipment damage; in addition, the uniform water flow first passes through the drain separation device for separation, resulting in high filtration efficiency.

[0032] Step C: The diverted water flows onto the drain separation device. The motor drives the drain separation device to rotate. The powder particles in the powder-containing recycled water are blocked by the first filter screen and fall down. The water in the powder-containing recycled water enters the cylinder of the drain separation device through the first filter screen and is discharged through the separated water outlet; thus, the powder-containing recycled water is filtered for the first time. In this embodiment, in step C, a scraper is installed at the outlet of the distribution channel to scrape off the powder particles clogging the drain separation device. This achieves automatic cleaning of the clogging powder particles and saves labor.

[0033] Step D: The falling powder particles fall into the fine powder collection port. Clean water is introduced through the clean water inlet to flush out the powder particles in the fine powder collection port.

[0034] Step E: The water-laden powder particles flowing out fall into the inverted V-shaped chute below the fine powder collection port. The water flows through the second filter screen on the inverted V-shaped chute into the recovery water tank below the second filter screen for recycling. The powder particles are guided into the fine powder collector through the inverted V-shaped chute. Thus, the powder-containing recovery water is recycled after a second filtration, resulting in high filtration efficiency.

[0035] Although specific embodiments of the present invention have been described in detail with reference to the accompanying drawings, this should not be construed as limiting the scope of protection of the present invention. Various modifications and variations that can be made by those skilled in the art without inventive effort within the scope described in the claims still fall within the scope of protection of the present invention.

Claims

1. A high-efficiency and energy-saving drain separator, characterized in that: The drain separator includes a shell with a powder-containing recycled water inlet at the top for the powder-containing recycled water to enter. Inside the shell, from top to bottom, are a distributor and a drain separation device for separating powder particles from water in the powder-containing recycled water. At the bottom of the shell is a fine powder collection port, and below the fine powder collection port is a separation and packaging device. The distributor is positioned below the powder-containing recycled water inlet, and the distributor itself and the shell form two or more distribution channels communicating with the inlet. The drain separation device is positioned at the outlet of the distribution channels. The drain separation device has a cylindrical structure, and the shell contains a motor to drive the drain separation device to rotate. The arc-shaped sidewall of the drain separation device has a first filter screen to prevent powder particles from entering. The two ends of the cylindrical structure have separation water outlets. The fine powder collection port is positioned below the drain separation device, and at the top of the fine powder collection port is a clean water inlet. The separation and packaging device includes an inverted V-shaped chute positioned below the fine powder collection port, with a [missing information - likely a design feature or design]. The system includes a second filter screen to prevent powder particles from entering, a fine powder collector at the lower end of the inverted V-shaped chute, and a recovery water tank below the second filter screen. The fine powder collection port has a V-shaped structure, and the clean water inlet is located on the top side wall of the V-shaped structure. The distributor includes a primary distributor, which includes a cylindrical primary distributor inlet and a first conical guide section at the bottom of the primary distributor inlet. The middle of the first conical guide section is connected to the primary distributor inlet. The distributor includes a primary distributor outlet connected to the primary distributor outlet; the secondary distributor includes a cylindrical secondary distributor inlet connected to the primary distributor outlet and a second conical guide section connected to the bottom of the secondary distributor inlet, and the secondary distributor inlet has a secondary distributor diversion hole on its side wall; the distributor also includes a tertiary distributor, the tertiary distributor includes an inverted V-shaped third guide section at the bottom of both sides corresponding to the second conical guide section of the secondary distributor.

2. The high-efficiency and energy-saving drain separator as described in claim 1, characterized in that: The lower end of the inverted V-shaped third guide section is provided with a V-shaped first scraper.

3. The high-efficiency and energy-saving drain separator as described in claim 1, characterized in that: The outlet of the corresponding distribution channel on the side wall of the housing is provided with a second scraper.

4. A highly efficient and energy-saving drain separation method using any one of the highly efficient and energy-saving drain separators described in 1-3, characterized in that: The efficient and energy-saving drain separation method includes the following steps: Step A: The powder-containing recycled water enters the shell through the powder-containing recycled water inlet; Step B: The powder-containing recycled water is divided into two or more streams through two or more distribution channels formed by the distributor and the inner wall of the shell; Step C: The diverted water flows onto the drain separation device. The motor drives the drain separation device to rotate. The powder particles in the powder-containing recycled water are blocked by the first filter screen and fall down. The water in the powder-containing recycled water enters the cylinder of the drain separation device through the first filter screen and is discharged through the separated water outlet. Step D: The falling powder particles fall into the fine powder collection port. Clean water is introduced through the clean water inlet to flush out the powder particles in the fine powder collection port. Step E: The water-laden powder particles flow out and fall into the inverted V-shaped chute below the fine powder collection port. The water flows through the second filter screen on the inverted V-shaped chute into the recovery water tank below the second filter screen for recycling. The powder particles are guided into the fine powder collector through the inverted V-shaped chute.

5. The efficient and energy-saving drain separation method as described in claim 4, characterized in that: In step A, the pH value of the powder-containing recycled water is tested and adjusted before it flows into the shell.

6. The efficient and energy-saving drain separation method as described in claim 4, characterized in that: In step C, a scraper is installed at the outlet of the distribution channel to scrape off the powder particles that clog the drain separation device.

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