CN210934125U

CN210934125U - Anticorrosive vacuum pipeline filter with folding filter element

Info

Publication number: CN210934125U
Application number: CN201921386107.9U
Authority: CN
Inventors: 罗开菁; 张强
Original assignee: Hangzhou Tang Wei Filter Equipment Co ltd
Current assignee: Hangzhou Tang Wei Filter Equipment Co ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-07-07
Anticipated expiration: 2029-08-26

Abstract

The utility model relates to an anticorrosive vacuum line filter of folding filter core in area, a serial communication port includes the barrel, the upper portion of barrel forms the intake pipe in one side, and one side relative with the intake pipe sets up the outlet duct, the barrel unite intake pipe and outlet duct and be the cruciform structure, the barrel in set up the filter core, the filter core for compound glass fiber folding filter core, the filter core include skeleton, end cover and filter media, the end cover sets up at the skeleton both ends, the skeleton include outer skeleton and inner frame, the filter media encircle for the folded form structure and distribute between inner frame and outer skeleton, the filter media include outer supporting layer, outer filter membrane, inlayer filter membrane and inner supporting layer in proper order, outer filter membrane be the large aperture filter media, the inlayer filter media be the aperture filter media. The utility model discloses but granular, the greasy dirt form impurity of filtering reduces and overhauls the number of times to reduce the wear cycle of piston, can effectively reduce maintenance operation cost, the filter core has stronger and receives dirty and entrapment rate.

Description

Anticorrosive vacuum pipeline filter with folding filter element

Technical Field

The utility model discloses a mainly used chemical industry, medicine vacuum pump pipeline screw pump, reciprocating vacuum pump, gas line such as roots vacuum pump filter, concretely relates to take anticorrosive vacuum line filter of folding filter core.

Background

Vacuum pumps such as reciprocating vacuum pumps, rotary vane vacuum pumps, slide valve vacuum pumps, roots vacuum pumps, and the like draw in, compress, and discharge gas by reciprocating or rotating a piston. The advantages are that the vacuum degree of the pump which is newly put into use is relatively high, but the piston is a running part, so the abrasion of the piston can not be avoided, and the working vacuum degree is continuously reduced along with the increase of the maintenance times until the production requirement can not be met.

In industrial production, the vacuum pumps are often used, and various pollutants such as dust, water vapor, oil stains and the like carried in gas and pipelines and the abrasion of a vacuum pump piston can be caused, the vacuum degree is reduced, the failure rate is improved, and the normal production cannot be realized.

Especially in the process of chemical and pharmaceutical production, the gas which enters contains a large amount of dust, corrosive acid, alkaline liquid, oil stain and the like. Often during use, dust and mixtures of feed liquids, oils, etc., such as sludge, are produced. The impurities enter the vacuum pump body to cause the vacuum pump to be stuck and damaged.

At present, filters matched with various vacuum pumps are easy to block or even filter through because the matched filtering materials are generally metal materials or simple surface filtering structures. And the corrosion resistance function is not available, so that the inside of the pipeline is corroded, more impurities and dust are generated, and the vacuum pump is damaged. On average, fifteen days, the vacuum pump needs to be repaired and the fittings replaced. In the pharmaceutical and chemical production process, the vacuum filter is usually made of metal and is liable to generate oxides, such as rust, due to the inevitable contact with various solvents, such as strong acid, strong base and the like. And secondary pollutants are easily generated to cause the damage of the vacuum pump.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that prior art exists, provide an anticorrosive vacuum line filter of folding filter core in area, can strain graininess, oily muddy impurity, reduce and overhaul the number of times to reduce the wearing and tearing cycle of piston, can effectively reduce maintenance operation cost, the filter core has stronger receiving dirty and entrapment rate.

The utility model provides an above-mentioned technical problem adopted technical scheme as follows: the utility model provides an anticorrosive vacuum line filter of folding filter core in area, its characterized in that includes the barrel, the upper portion of barrel forms the intake pipe in one side, and one side relative with the intake pipe sets up the outlet duct, the barrel unite intake pipe and outlet duct and be the cruciform structure, the barrel in set up the filter core, the filter core be the folding filter core of compound glass fiber, the filter core include skeleton, end cover and filter media, the end cover sets up at the skeleton both ends, the skeleton include outer skeleton and inner frame, the filter media encircle for the accordion type structure and distribute between inner frame and outer skeleton, the filter media include outer supporting layer, outer filter membrane, inlayer filter membrane and inner supporting layer in proper order, outer filter membrane be the large aperture filter media, the inlayer filter media be the aperture filter media.

The top of the barrel is provided with a back flushing pipeline, the back flushing pipeline is provided with an anticorrosive back flushing valve, the bottom of the barrel is provided with a sewage outlet, and the sewage outlet is provided with a sewage valve.

The outer support layer is diamond-shaped hole coarse mesh cloth, the inner support layer is square-shaped hole fine mesh cloth, the outer filter membrane is a 10 mu m glass fiber filter membrane, and the inner filter membrane is a 1 mu m glass fiber filter membrane.

The barrel in set up the mounting panel, the filter core hoist and mount be in the mounting panel on, the lower part that is located the filter core is the dirt cavity that holds of barrel.

The filter core pass through the screw thread and be connected with mounting panel hoist and mount, compress tightly through the sealed pad of silica gel package tetrafluoro and form sealedly, intake pipe inner be connected to the mounting panel to it is sealed with the mounting panel through double seal circle.

And a hastelloy vacuum diaphragm pressure gauge is arranged at the upper part of the cylinder body.

The air inlet pipe and the air outlet pipe are respectively provided with a detachable loop flange.

And polytetrafluoroethylene powder is sprayed inside the cylinder body and sintered at high temperature to form a coating which is attached to the inner wall.

The mounting plate is a polytetrafluoroethylene plate.

The utility model discloses the side of intake pipe and outlet duct inclines out the structure, more is favorable to the customization of pipeline size, and the installation is more fastened. The filter element adopts coarse grid cloth as an outer supporting layer and fine grid cloth as an inner supporting layer, so that the aim of widening a flow passage is fulfilled; the filter membrane structure of gradient compounding is adopted, and the outer layer adopts a large-aperture filter material, so that the dirt holding capacity of the filter element is greatly improved, and the service life of the filter element is greatly prolonged; the inner layer adopts high-precision filter materials, and the filter elements are intercepted in a layered mode, so that the integral interception rate of the filter elements is improved.

The valve-equipped back flushing port is reserved, so that compressed air and backwash liquid can be conveniently accessed for back flushing. The design of reserving a drain outlet is convenient for timely removing dust and liquid. The cylinder body is connected by a hoisting flange. The filter element can be conveniently and quickly assembled and disassembled, and the filter element inserting plate are fixedly installed through the threaded interfaces and are convenient to assemble and disassemble. The filter core adopts the design of hoist and mount structure, and granule and dust are effectively subsided to the accessible action of gravity. Effectively prevent that the fatlute that dust and liquid produced from gathers to adhere to on the pipeline to jam and damage the vacuum pump.

Drawings

Fig. 1 is a schematic view of the present invention.

Fig. 2 is a schematic structural diagram of the filter element of the present invention.

Fig. 3 is a top view of the filter element of the present invention.

Fig. 4 is a schematic structural diagram of the filter material of the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and the described embodiments are only some embodiments, not all embodiments, of the present invention.

As shown in figure 1, an anticorrosive vacuum line filter of folding filter core in area, including the barrel, the upper portion of barrel 10 forms intake pipe 3 in one side, and one side relative with the intake pipe sets up outlet duct 6, the top of barrel sets up the blowback pipeline, the blowback pipeline on set up anticorrosive blowback valve 5, the bottom of barrel sets up the drain, the drain on set up blowoff valve 13, the barrel in set up filter core 9, the intake pipe on set up import lap flange 1 and sleeve flange 2, set up detachable lap flange 7 on the outlet duct, the inside spraying polytetrafluoroethylene powder of barrel to high temperature sintering becomes coating 11 and attaches to the inner wall. The barrel in set up the mounting panel, the filter core hoist and mount be in the mounting panel on, be located the lower part of filter core and be the dirt cavity 12 that holds of barrel. The large dust holding cavity can ensure enough holding space for dust and oil sludge.

The filter core pass through the screw thread and be connected with 8 hoists of mounting panel, it is sealed to compress tightly through the sealed pad of silica gel package tetrafluoro and forms sealedly, intake pipe inner be connected to the mounting panel to it is sealed with the mounting panel through double seal circle. The filter core adopts the design of hoist and mount structure, and granule and dust are effectively subsided to the accessible action of gravity. Effectively prevent that the fatlute that dust and liquid produced from gathers to adhere to on the pipeline to jam and damage the vacuum pump. And a hastelloy vacuum diaphragm pressure gauge 4 is arranged at the upper part of the cylinder body. The reverse cleaning time of the filter element can be judged in time by effectively observing the vacuum degree condition. The cylinder body is combined with the air inlet pipe and the air outlet pipe to form a cross structure. The upper half part and the lower half part of the cylinder body are sealed and fastened by adopting a quick-opening lifting ring bolt group. Is convenient for quickly cleaning and replacing the blocked filter element. The mounting plate is a polytetrafluoroethylene plate.

As shown in fig. 2-3, the filter element includes skeleton 24, end cover 23 and filter media 15, and end cover 10 sets up at the skeleton both ends, and the skeleton includes outer skeleton 14 and inner frame 18, the filter media encircle to distribute between inner frame 18 and outer skeleton 14 for the folded form structure, the filter media include outer support layer 19, outer filter membrane 20, inner filter membrane 21 and interior support layer 22 in proper order, be located and form outer runner 16 of filter element and filter element inner runner 17 in the skeleton, outer filter membrane be the large aperture filter media, the inner filter membrane be the aperture filter media.

As shown in fig. 4, the outer support layer is made of a thick rhombic grid cloth with a thickness of 0.6mm and a thickness of 5mm × 3mm, so that the outer flow channel can be effectively widened. The inner supporting layer is 0.3mm thick and 1mm x 1mm square hole fine grids, so that the inner flow channel can be prevented from being too tight to cause bonding, and the filter element is blocked. The outer layer adopts 10 mu m glass fiber filter membrane, can adsorb and hold back large aperture particle impurity, can improve the pollutant carrying capacity greatly, and ensure that the inner layer filter membrane is difficult to be blocked by large aperture particle impurity. The inner layer adopts a 1 mu m glass fiber filter membrane, can adsorb and retain small-aperture particle impurities, and is matched with the outer layer of 10 mu m filter membrane to form gradient compounding and layered retention, so that the retention efficiency of the filter element is greatly improved.

The utility model discloses the side of intake pipe and outlet duct inclines out the structure, more is favorable to the customization of pipeline size, and the installation is more fastened. The valve-equipped back flushing port is reserved, so that compressed air and backwash liquid can be conveniently accessed for back flushing. The design of reserving a drain outlet is convenient for timely removing dust and liquid. The composite structure can effectively intercept components such as water vapor, dust, oil and the like brought by a vacuum pipeline and the atmosphere.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an anticorrosive vacuum line filter of folding filter core in area, its characterized in that includes the barrel, the upper portion of barrel forms the intake pipe in one side, and one side relative with the intake pipe sets up the outlet duct, the barrel unite intake pipe and outlet duct and be the cruciform structure, the barrel in set up the filter core, the filter core be the folding filter core of compound glass fiber, the filter core include skeleton, end cover and filter media, the end cover sets up at the skeleton both ends, the skeleton include outer skeleton and inner frame, the filter media encircle for the accordion type structure and distribute between inner frame and outer skeleton, the filter media include outer supporting layer, outer filter membrane, inlayer filter membrane and inner supporting layer in proper order, outer filter membrane be the large aperture filter media, the inlayer filter media be the aperture filter media.

2. The anti-corrosion vacuum pipeline filter with the folding filter element according to claim 1, wherein a back flushing pipeline is arranged at the top of the cylinder body, an anti-corrosion back flushing valve is arranged on the back flushing pipeline, a drain outlet is arranged at the bottom of the cylinder body, and a drain valve is arranged on the drain outlet.

3. The anti-corrosion vacuum pipeline filter with the folding filter element as claimed in claim 2, wherein the outer support layer is diamond-shaped coarse mesh cloth, the inner support layer is square-shaped fine mesh cloth, the outer filter membrane is a 10 μm glass fiber filter membrane, and the inner filter membrane is a 1 μm glass fiber filter membrane.

4. The anticorrosive vacuum pipeline filter with the folding filter element according to claim 1 or 2, characterized in that a mounting plate is arranged in the cylinder, the filter element is hung on the mounting plate, and a dust containing cavity of the cylinder is arranged at the lower part of the filter element.

5. The anti-corrosion vacuum pipeline filter with the folding filter element according to claim 4, wherein a hastelloy vacuum diaphragm pressure gauge is installed at the upper part of the cylinder body.

6. The anti-corrosion vacuum pipeline filter with the foldable filter element according to claim 5, wherein the air inlet pipe and the air outlet pipe are both provided with detachable loop flanges.

7. The anti-corrosion vacuum pipeline filter with the folding filter element as claimed in claim 6, wherein the barrel is internally sprayed with polytetrafluoroethylene powder and sintered at high temperature to form a coating attached to the inner wall.

8. The anti-corrosive vacuum line filter with the folding filter element as claimed in claim 7, wherein the mounting plate is a polytetrafluoroethylene plate.