CN210613024U

CN210613024U - High-efficient self-cleaning filter of two-stage

Info

Publication number: CN210613024U
Application number: CN201921037700.2U
Authority: CN
Inventors: 章龄之; 章礼春; 梁慧敏
Original assignee: Anhui Filit Filtering System Co ltd
Current assignee: Anhui Filit Filtering System Co ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-05-26
Anticipated expiration: 2029-07-04

Abstract

The utility model discloses a two-stage high-efficiency self-cleaning filter, which comprises a water inlet pipe, a water outlet pipe, a barrel body, a cover body, an electromagnetic diaphragm blowoff valve, a motor speed reducer and a cleaning mechanism, wherein a filtering component is arranged in the barrel body, and the filtering component comprises a coarse filtering net positioned at the lower part of the barrel body, a fine filtering net positioned at the upper part of the barrel body and upper and lower filtering core sealing rings; the barrel in be close to the inlet tube and be provided with the baffle, the fine filter screen of baffle separation will intake and introduce the coarse filter screen in bottom, water gets into the coarse filter screen earlier, gets into fine filter screen again after the coarse filtration and filters. The utility model discloses a high-efficient self-cleaning filter of two-stage simple structure, convenient to use realizes a quick-witted two-stage filtration, increases coarse filtration net, and effective classification filters, delays smart filter screen and blocks to raise the efficiency, practice thrift the cost.

Description

High-efficient self-cleaning filter of two-stage

Technical Field

The utility model belongs to self-cleaning filter field, concretely relates to high-efficient self-cleaning filter of two-stage.

Background

Along with the shortage of water resources, the recycling of the water resources is very important at home and abroad, and the seawater desalination is a competitive project in all countries. At present, most of filters in China are single-cylinder filters, primary filters, raw water directly enters filter screens, large-particle impurities are always in the filter screens and are difficult to discharge, backwashing is repeated, the filter screens are damaged, the effective service life of the filters is greatly shortened, if two filters are installed, the cost is improved, the occupied area of the two filters is large, other equipment is influenced, and the filter is not attractive.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a high-efficient self-cleaning filter of two-stage has two kinds of filter screens of thick essence in the filter, realizes a quick-witted two-stage filtration, practices thrift the cost, high-efficient anti-impurity.

The specific technology of the utility model is as follows:

a two-stage efficient self-cleaning filter comprises a water inlet pipe, a water outlet pipe, a cylinder body, a cover body, an electromagnetic diaphragm blow-down valve, a motor speed reducer and a cleaning mechanism, wherein the water inlet pipe is arranged on the left side of the cylinder body, the water outlet pipe is arranged at the right side of the cylinder body in a relative position, the cover body is arranged above the cylinder body, the electromagnetic diaphragm blow-down valve and the cleaning mechanism are arranged on the cover body, the cleaning mechanism is connected with the motor speed reducer, a filtering assembly is arranged in the cylinder body, and the filtering assembly comprises a coarse filtering net positioned at the lower part of the cylinder body, a fine; the inside region that is close to the inlet tube of barrel be provided with the baffle, the fine filter screen of baffle separation will intake and introduce the coarse filter screen in bottom, water gets into the coarse filter screen earlier, gets into fine filter screen again after the coarse filtration and filters.

Furthermore, pressure gauges are arranged on the water inlet pipe and the water outlet pipe, and a pressure difference switch and an electric cabinet are arranged on the outer wall of the barrel.

Furthermore, the fine filter screen and the coarse filter screen are connected through flange welding.

Furthermore, the bottom of one side of the water inlet pipe of the cylinder body is provided with a hand hole, and the bottom of one side of the water outlet pipe of the cylinder body is provided with a water discharge ball valve.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the two-stage high-efficiency self-cleaning filter welds the coarse and fine filter screens together, the primary coarse filter screen is a drilling plate with high cost performance, the cost is increased a little, and a hand hole is added on the side surface of the primary filter screen, so that large particle impurities can be conveniently discharged through the hand hole, the filter does not need to be disassembled, and time and labor are saved;

2) the utility model discloses a high-efficient self-cleaning filter of two-stage realizes a quick-witted coarse and fine filtration, practices thrift the cost, reduces manpower and materials cost, and the coarse filtration of earlier one-level intercepts big particulate impurity, and the fine filtration of second grade again can delay the fine filter screen and block up for the washing blowdown pressure of filter is low, and the back flush time is short, and pressure, flow loss are little, energy-efficient.

Drawings

FIG. 1 is a schematic front view of a two-stage high efficiency self-cleaning filter according to the present invention;

FIG. 2 is a schematic top view of the two-stage high efficiency self-cleaning filter of the present invention;

in the figure: 1-hand hole, 2-coarse filter screen, 3-fine filter screen, 4-water inlet pipe, 5-pressure gauge, 6-cylinder, 7-upper and lower filter element sealing ring, 8-cover, 9-electromagnetic diaphragm blowoff valve, 10-motor reducer, 11-cleaning mechanism, 12-electric cabinet, 13-differential pressure switch, 14-water outlet pipe, 15-water discharge ball valve, 16-baffle.

Detailed Description

The invention is further described with reference to the accompanying drawings.

As shown in fig. 1 and 2, the two-stage high-efficiency self-cleaning filter comprises a water inlet pipe 4, a water outlet pipe 14, a cylinder 6, a cover body 8, an electromagnetic diaphragm blowoff valve 9, a motor speed reducer 10 and a cleaning mechanism 11. A water inlet pipe 4 is arranged on the left side of the cylinder body 6, and a water outlet pipe 14 is arranged on the right side of the cylinder body 6 in a relative position; the lid 8 is installed in barrel 6 top, is provided with electromagnetic diaphragm blowoff valve 9 and wiper mechanism 11 on the lid 6, and wiper mechanism 11 is connected with motor reducer 10. Install filtering component in barrel 6, filtering component includes coarse filtration net 2, smart filter screen 3 and upper and lower filter core sealing washer 7, and wherein coarse filtration net 2 is linked together through flange welding with smart filter screen 3, and coarse filtration net 2 is located barrel 6 inner lower part space, and smart filter screen 3 is located barrel 6 inner upper portion space. The region that is close to the inlet tube in barrel 6 is provided with baffle 16, utilizes baffle 16 to form a space of intaking in barrel 6, and baffle 16 separation smart filter screen 3 will intake the water and directly introduce 2 regions of the coarse filter screen in bottom for water gets into coarse filter screen 2 earlier, gets into smart filter screen 3 after the coarse filtration and filters.

In order to facilitate backwashing, the pressure gauge 5 is arranged on the water inlet pipe 4 and the water outlet pipe 14, and the pressure difference switch 13 and the electric cabinet 12 are arranged on the outer wall of the barrel 6.

The bottom of foretell barrel inlet tube 4 one side is provided with hand hole 1, can open hand hole 1 and clear up coarse filtration's impurity. The bottom of one side of the cylinder body water outlet pipe 14 is provided with a water discharge ball valve 15, so that the filter screen is convenient to overhaul and maintain.

Filtration stage

Water before filtration enters the filter from the inlet pipe 4, enters the area of the primary coarse filter screen 2 through a water inlet space formed by the baffle 16, and firstly intercepts large particles outside the coarse filter screen 2; the water before filtering flows to the second-stage fine filter screen 3 through the inner side of the coarse filter screen 2 and then flows to the outer side of the fine filter screen 3 to form filtered purified water, and the filtered purified water flows out of the filter from the water outlet pipe 14.

Water flows to the 2 inboard in-process of one-level coarse filtration net from the 2 outsides of one-level coarse filtration net before straining, accomplishes the one-level and filters, and big particle impurity is held back in the 2 outsides of one-level coarse filtration net, reentrant second grade fine filtration net 3. Thus, the pressure and the abrasion of the second-stage fine filter screen 3 are greatly reduced, the efficiency is greatly improved, the blocking time of the second-stage fine filter screen is reduced, the pressure difference is reduced, the pollution discharge frequency is reduced, the filter screen is protected, the efficient self-cleaning filter is protected, the service life of the filter is prolonged, and the maintenance cost of a user is reduced. Along with the increase of the intercepted objects at the inner side of the secondary fine filter screen 3, the secondary fine filter screen 3 is gradually blocked, thereby influencing the flow of water.

Backwash stage

At this time, the pressure inside the second-stage fine filtering net 3 is higher than the pressure outside the second-stage fine filtering net 3, and a pressure difference is formed between the inside and the outside of the second-stage fine filtering net 3. When the pressure difference reaches a set value, a signal is sent to a PLC control system of the electric cabinet 12 through the pressure difference switch 13, a self-cleaning and pollution discharge program is started, the electromagnetic diaphragm pollution discharge valve 9 is opened, and the motor speed reducer 10 is started to drive the cleaning mechanism 11 to rotate. High-pressure water in the system and the external atmospheric pressure form a large pressure difference, the high-pressure water drives particle impurities intercepted by the fine filter screen 3 to flush out of the machine at high speed along the electromagnetic diaphragm blowoff valve 9, and the brush holder drives a stainless steel brush (a dirt suction nozzle) to clean dirt deposited in the filter screen, so that the cleaning and the blowdown of the cleaned filter screen 3 are completed.

The flow is not interrupted during the backwash stage and the filtering function continues to be performed. After the fine filter screen 3 finishes cleaning and pollution discharge, the whole cleaning and pollution discharge period is finished, and the filter enters the next working cycle.

Large particle impurities intercepted outside the coarse filter screen 2 are deposited at the bottom of the cylinder body 6, and the hand hole 1 is opened for cleaning during monthly maintenance.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a high-efficient self-cleaning filter of two-stage, includes inlet tube (4), outlet pipe (14), barrel (6), lid (8), electromagnetic diaphragm blowoff valve (9), motor reducer (10) and wiper mechanism (11), barrel (6) left side be provided with inlet tube (4), barrel (6) right side relative position is provided with outlet pipe (14), lid (8) install in barrel (6) top, lid (8) on be provided with electromagnetic diaphragm blowoff valve (9) and wiper mechanism (11), wiper mechanism (11) be connected characterized by with motor reducer (10): a filtering component is arranged in the cylinder (6), and comprises a coarse filtering net (2) positioned at the lower part of the cylinder, a fine filtering net (3) positioned at the upper part of the cylinder, and upper and lower filter element sealing rings (7); barrel (6) inside region that is close to inlet tube (4) be provided with baffle (16), baffle (16) separation smart filter screen (3) will intake and introduce bottom coarse filtration net (2), water gets into coarse filtration net (2) earlier, gets into smart filter screen (3) filtration after the coarse filtration again.

2. A two-stage high efficiency self-cleaning filter according to claim 1 wherein the inlet pipe (4) and the outlet pipe (14) are provided with pressure gauges (5), and the outer wall of the cylinder (6) is provided with a pressure difference switch (13) and an electric cabinet (12).

3. A two-stage high efficiency self-cleaning filter according to claim 1 wherein the fine filter mesh (3) is connected to the coarse filter mesh (2) by flange welding.

4. A two-stage high efficiency self-cleaning filter according to claim 1, wherein the bottom of the side of the cylinder inlet pipe (4) is provided with a hand hole (1), and the bottom of the side of the cylinder outlet pipe (14) is provided with a water discharge ball valve (15).