CN111618978A

CN111618978A - Forming equipment for manufacturing ceramic filter tube

Info

Publication number: CN111618978A
Application number: CN202010494650.1A
Authority: CN
Inventors: 项泽顺; 王洪明; 崔等; 张矿; 孟祥民; 徐淮北
Original assignee: Anhui Zishuo Environmental Engineering Technology Co ltd
Current assignee: Anhui Zishuo Environmental Engineering Technology Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2020-09-04

Abstract

The invention discloses a forming device for manufacturing ceramic filter tubes, which belongs to the field of ceramic filter tubes. The invention combines the vacuum suction technology and the automatic control technology, can realize the automatic control molding of the ceramic filter tube, and the molded fiber structure is compact and the filter tube has high quality.

Description

Forming equipment for manufacturing ceramic filter tube

Technical Field

The invention relates to the field of ceramic filter tubes, in particular to a forming device for manufacturing a ceramic filter tube.

Background

With the gradual acceleration of the industrialization process of China, atmospheric pollution gradually becomes an environmental problem to be solved urgently. Aiming at industrial flue gas emission, China has a plurality of strict pollution emission standards at present, wherein nitrogen oxides and dust are important control indexes in flue gas. The traditional denitration and dust removal mode is a dust remover and SCR catalytic process, but the traditional denitration and dust removal mode has the defects of large floor area, frequent element replacement and the like, so that the operation and maintenance cost of enterprises is greatly increased, the control capability on pollution indexes is limited, and the environmental protection pressure on the enterprises is large.

In recent years, with continuous innovation of new technologies, in order to overcome the defects of the traditional technology, the ceramic catalytic filter tube process gradually becomes the main development direction in the field of flue gas denitration and dust removal. The ceramic filter tube has a stable and hard structure, and a low-temperature denitration catalyst can be loaded in the inner gap of the ceramic filter tube, so that nitrogen oxide can be catalytically reduced into nitrogen and water, and the purpose of high-efficiency dust removal can be realized. Therefore, the manufacture of the ceramic filter tube element becomes a technical problem to be solved.

Disclosure of Invention

The invention aims to provide a forming device for manufacturing a ceramic filter tube, which can be used for primarily producing and forming a ceramic catalytic filter tube element.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a forming device for manufacturing a ceramic filter tube comprises a ceramic fiber stock solution stirring barrel, a mould inner barrel, a vacuum mould layer, a polyester fiber filtering layer, a shell sealing layer and a vacuum suction pump, the ceramic fiber stock solution stirring barrel is connected with a vacuum mould layer through a stock solution conveying pipe, a polyester fiber filter layer is sleeved on the outer surface of an inner mould tube, a gap between the polyester fiber filter layer and the inner mould tube is a vacuum mould layer, a shell sealing layer is sleeved on the periphery of the polyester fiber filter layer, a plurality of suction branch pipes are uniformly distributed in the shell sealing layer, an electromagnetic valve is mounted on each suction branch pipe, one end of each suction branch pipe is connected with the polyester fiber filter layer, the other end of each suction branch pipe is gathered to a suction header pipe, adjacent suction branch pipes are in parallel connection, the suction header pipe is connected with a vacuum suction pump, waste liquid sucked by the vacuum suction pump is discharged after being collected and processed.

Preferably, still include agitating unit, agitating unit sets up and stirs constantly in ceramic fibre stoste agitator, prevents that the bucket stoste from gluing thick.

Preferably, the polyester fiber filter layer can filter substances with the particle size of less than 100 microns, and can enable ceramic fibers with the particle size of more than 100 microns to be trapped to the vacuum mold layer.

Preferably, a pressure sensor is arranged on the side of the electromagnetic valve and connected with a control system.

By adopting the technical scheme of the invention, the following beneficial effects can be obtained:

the forming equipment for manufacturing the ceramic filter tube is combined with an automatic control technology through a vacuum suction technology, so that the automatic control forming and computer control of the ceramic filter tube can be realized; each part of the ceramic filter tube is provided with a pressure monitoring device, and each position parameter is monitored and manufactured in real time, so that the formed fiber structure is compact, and the quality of the filter tube is high; the polyester fiber has stable structure, the filter layer can be repeatedly utilized, the whole structure is simple, and the mass production of the ceramic filter tube can be realized.

Drawings

The contents of the description and the references in the drawings are briefly described as follows:

FIG. 1 is a schematic structural view of the apparatus;

the labels in the above figures are: 1. a ceramic fiber stock solution stirring barrel; 2. a stirring device; 3. a stock solution delivery pipe; 4. an inner mold cylinder; 5. a vacuum mold layer; 6. a polyester fiber filter layer; 7. a shell sealing layer; 8. sucking and separating pipes; 9. an electromagnetic valve; 10. a suction manifold; 11. a vacuum suction pump.

Detailed Description

The embodiments of the present invention, such as the shapes and structures of the respective members, the mutual positions and connection relationships between the respective portions, the functions and operation principles of the respective portions, will be described in further detail below with reference to the accompanying drawings.

As shown in figure 1, the forming device for manufacturing the ceramic filter tube comprises a ceramic fiber stock solution stirring barrel 1, a mold inner cylinder 4, a vacuum mold layer 5, a polyester fiber filter layer 6, a shell sealing layer 7 and a vacuum suction pump 11, wherein the ceramic fiber stock solution stirring barrel 1 is connected with the vacuum mold layer 5 through a stock solution conveying pipe 3, the polyester fiber filter layer 6 is sleeved on the outer surface of the mold inner cylinder 4, a gap between the polyester fiber filter layer 6 and the mold inner cylinder 4 is the vacuum mold layer 5, the shell sealing layer 7 is sleeved on the periphery of the polyester fiber filter layer 6, a plurality of suction branch tubes 8 are uniformly distributed in the shell sealing layer 7, an electromagnetic valve 9 is mounted on each suction branch tube 8, one end of each suction branch tube 8 is connected with the polyester fiber filter layer 6, the other end of each suction branch tube is collected to a suction main tube 10, the adjacent suction branch tubes 8 are connected in parallel, and, the waste liquid pumped by the vacuum suction pump 11 is discharged after being collected and processed, and the electromagnetic valve 9 is connected with a control system. Still include agitating unit 2, agitating unit 2 sets up and constantly stirs in ceramic fibre stoste agitator 1, prevents that the bucket interior stoste from gluing thick. The polyester fiber filter layer 6 can filter substances below 100 microns, so that ceramic fibers above 100 microns can be intercepted to the vacuum mould layer 5, and the intercepted ceramic fibers are gradually increased under the action of suction force and other substances in stock solution to form a compact structure.

As shown in fig. 1, a pressure sensor is arranged at the side of the electromagnetic valve 9, and the pressure sensor is connected with a control system. When the device is used, the vacuum suction pump 11 is opened for suction, negative pressure is formed in the vacuum mould layer 5, so that ceramic fiber stock solution is pressed into the vacuum mould layer 5 under the action of atmospheric pressure for accumulation and forming, the electromagnetic valve 9 and the vacuum suction pump 11 are both connected with the control system, the pressure sensor is arranged on the side of the electromagnetic valve 9, the pressure at the position of the electromagnetic valve 9 is monitored, when the pressure at the position of the electromagnetic valve is more than 600Pa, the electromagnetic valve is closed, so that the ceramic fibers at each position are uniformly distributed, and when the pressure monitored by all the electromagnetic valves reaches 600Pa, the control system closes the vacuum suction pump 11, and the formation of a.

The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.

Claims

1. A former for ceramic filter tube preparation which characterized in that: the vacuum pump comprises a ceramic fiber stock solution stirring barrel, a mold inner barrel, a vacuum mold layer, a polyester fiber filtering layer, a shell sealing layer and a vacuum suction pump, wherein the ceramic fiber stock solution stirring barrel is connected with the vacuum mold layer through a stock solution conveying pipe, the polyester fiber filtering layer is sleeved on the outer surface of the mold inner barrel, a gap between the polyester fiber filtering layer and the mold inner barrel is the vacuum mold layer, the shell sealing layer is sleeved on the periphery of the polyester fiber filtering layer, a plurality of suction branch pipes are uniformly distributed in the shell sealing layer, an electromagnetic valve is mounted on each suction branch pipe, one end of each suction branch pipe is connected with the polyester fiber filtering layer, the other end of each suction branch pipe is gathered to a suction main pipe, a parallel relation is formed between the adjacent suction branch pipes, the suction main pipe is connected with the vacuum suction pump.

2. The forming apparatus for ceramic filter tube fabrication as recited in claim 1, wherein: still include agitating unit, agitating unit sets up and constantly stirs in ceramic fiber stoste agitator, prevents that the bucket interior stoste from gluing thick.

3. The forming apparatus for ceramic filter tube fabrication as recited in claim 1, wherein: the polyester fiber filter layer can filter substances below 100 microns, and can enable ceramic fibers above 100 microns to be trapped to the vacuum mould layer.

4. The forming apparatus for ceramic filter tube fabrication as recited in claim 1, wherein: and a pressure sensor is arranged on the side of the electromagnetic valve and is connected with a control system.