Outer mold of ceramic fiber filter cartridge forming equipment

Abstract

The utility model provides an outer mold of ceramic fiber filter cartridge forming equipment, the outer mold is used for forming the peripheral shape of a ceramic fiber filter cartridge and providing a vacuum filtration cavity, and the outer mold comprises an upper outer mold assembly and a lower outer mold assembly; the upper outer mold assembly comprises an upper cavity shell, an upper mold plate and an upper support, the upper cavity shell is fixedly installed on the upper support, and the upper mold plate is installed at the bottom of the upper cavity shell; the lower outer mold assembly comprises a lower cavity shell, a lower mold plate and a lower support, the lower cavity shell is fixedly installed on the lower support, and the lower mold plate is installed on the upper portion of the lower cavity shell; wherein each of the upper template and the lower template comprises a flange part, a middle body part and a tail end plugging part, and the middle body part is positioned between the flange part and the tail end plugging part. The outer mold can directly enable the ceramic fiber filter cartridge and the flange connecting end to be integrally formed, and other flange forming processes are not needed. The outer mold can enable the ceramic fiber filter cartridge to be quickly cured and formed.

Description

Technical Field

[0001] The utility model relates to filter cartridge forming equipment, in particular to an outer mold of ceramic fiber filter cartridge forming equipment. Background Art

[0002] In the field of glass kilns, coking furnaces, industrial boilers, waste incineration and other flue gas multi-pollutant purification, ceramic fiber filter cartridges are a widely used filter that uses rigid microporous materials as filter elements. Compared with traditional granular filter materials, ceramic fiber filter cartridges have a larger specific surface area of ​​fiber filter materials, have greater interface adsorption and can intercept suspended matter, and have a good filtration effect; compared with traditional filter materials such as cloth bags, ceramic fiber filter cartridges can be used in high temperature or even ultra-high temperature environments; compared with porous ceramics and metal filter materials, ceramic fiber filter cartridges do not require sintering, have low resistance and save energy, and have good chemical stability and thermal shock resistance.

[0003] Ceramic fiber filter cartridges in the prior art generally do not have flange connections, so their molding molds are generally not compatible with ceramic fiber filter cartridges with flange connections. In addition, in the molding mold, an external vacuum device or system is generally required to extract the water vapor in the slurry to enable the rapid solidification and molding of the ceramic fiber filter cartridge. However, the molding mold often contains some impurities due to the extraction of a large amount of water vapor, which can easily clog the pipeline or the molding mold, resulting in insufficient air pressure, a long curing time for the ceramic fiber filter cartridge, and easily leading to problems such as uneven porosity and inconsistent pore size. Summary of the invention

[0004] In view of this, an embodiment of the present invention provides an outer mold of a ceramic fiber filter cartridge forming device to eliminate or improve one or more defects existing in the prior art.

[0005] The technical solution of the present invention is as follows:

[0006] The outer mold is used for forming the outer peripheral shape of the ceramic fiber filter cartridge and providing a vacuum filtration cavity, and the outer mold includes an upper outer mold assembly and a lower outer mold assembly; the upper outer mold assembly includes an upper cavity shell, an upper mold plate and an upper bracket, wherein the upper cavity shell is fixedly mounted on the upper bracket, and the upper mold plate is mounted on the bottom of the upper cavity shell; the lower outer mold assembly includes a lower cavity shell, a lower mold plate and a lower bracket, wherein the lower cavity shell is fixedly mounted on the lower bracket, and the lower mold plate is mounted on the upper part of the lower cavity shell; wherein the upper mold plate and the lower mold plate both include a flange portion, an intermediate body portion and an end plugging portion, and the intermediate body portion is located between the flange portion and the end plugging portion.

[0007] In some embodiments, the flange portion, the middle body portion and the end sealing portion of the upper template are fixedly mounted on the upper cavity shell; the lower template is a segmented structure, and its flange portion and the end sealing portion are fixedly mounted on the lower cavity shell, and the middle body portion of the lower template is detachably mounted on the lower cavity shell.

[0008] In some embodiments, both the upper template and the lower template have a plurality of filter holes for extracting water vapor.

[0009] In some embodiments, a cavity for vacuum filtration is provided between the upper cavity shell and the upper template, and a cavity for vacuum filtration is provided between the lower cavity shell and the lower template.

[0010] In some embodiments, the upper template and the lower template are symmetrically arranged semi-cylindrical, and when the upper outer mold assembly and the lower outer mold assembly are docked, the shape enclosed by the upper template and the lower template is the same as the outer contour of the ceramic fiber filter cartridge.

[0011] In some embodiments, the central portion of the outer side of the end sealing portion of the upper template has a semi-cylindrical reserved groove, and the central portion of the outer side of the end sealing portion of the lower template also has a semi-cylindrical reserved groove for the installation of the centering structure.

[0012] In some embodiments, the upper cavity shell and the lower cavity shell are cast aluminum shells, and upper and lower butt joint end surfaces of the upper cavity shell and the lower cavity shell have a sealing structure.

[0013] In some embodiments, the end of the terminal blocking portion is in the shape of a quarter-sphere.

[0014] In some embodiments, the upper cavity shell and / or the lower cavity shell each has at least one vacuum interface communicating with the cavity, and the vacuum interface is used to connect to a vacuum extraction device.

[0015] In some embodiments, the upper chamber housing and / or the lower chamber housing has a mounting interface for mounting vacuum monitoring instruments.

[0016] The outer mold of the ceramic fiber filter cartridge forming device according to the embodiment of the present invention can obtain at least the following beneficial effects:

[0017] The outer mold of the embodiment of the present invention is used for forming the outer shape of the ceramic fiber filter cartridge and providing a vacuum filtration cavity. The outer mold can directly form the ceramic fiber filter cartridge and the flange connection end in one piece without other flange forming processes. The outer mold can quickly solidify and form the ceramic fiber filter cartridge.

[0018] Additional advantages, purposes, and features of the present invention will be described in part in the following description, and will become apparent to those skilled in the art after studying the following, or may be learned from the practice of the present invention. The purposes and other advantages of the present invention may be achieved and obtained by the structures specifically pointed out in the written description, claims, and drawings.

[0019] Those skilled in the art will appreciate that the objectives and advantages that can be achieved with the present invention are not limited to the above specific description, and the above and other objectives that can be achieved by the present invention will be more clearly understood from the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings described herein are used to provide a further understanding of the present invention, constitute a part of this application, and do not constitute a limitation of the present invention. The components in the drawings are not drawn to scale, but are only for illustrating the principles of the present invention. In order to facilitate the illustration and description of some parts of the present invention, the corresponding parts in the drawings may be enlarged, that is, they may become larger relative to other components in the exemplary device actually manufactured according to the present invention. In the drawings:

[0021] Figure 1 It is a schematic structural diagram of an upper outer mold component and a lower outer mold component of an outer mold in one embodiment of the present invention.

[0022] Figure 2 It is a schematic diagram of the side structure of the upper outer mold assembly and the lower outer mold assembly in one embodiment of the present invention.

[0023] Figure 3 Schematic diagram of the structure of a ceramic fiber filter cartridge in one embodiment of the present invention.

[0024] Figure 4 Schematic diagram of the structure of the lower outer mold assembly in one embodiment of the present invention.

[0025] Figure 5 It is a schematic structural diagram of the middle body portion of the lower outer mold assembly in one embodiment of the present invention.

[0026] Figure 6 It is a schematic structural diagram of the middle body portion of the lower outer mold assembly in one embodiment of the present invention. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the embodiments and the accompanying drawings. Here, the illustrative embodiments of the present invention and their descriptions are used to explain the present invention, but are not intended to limit the present invention.

[0028] It should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, only structures and / or processing steps closely related to the solutions according to the present invention are shown in the accompanying drawings, while other details that are not closely related to the present invention are omitted.

[0029] It should be emphasized that the term “include / comprises” when used herein refers to the presence of features, elements, steps or components, but does not exclude the presence or addition of one or more other features, elements, steps or components.

[0030] It should also be noted that, unless otherwise specified, the term “connection” herein may refer not only to a direct connection but also to an indirect connection involving an intermediate.

[0031] The present invention provides an outer mold of a ceramic fiber filter cartridge forming device. The outer mold is used for forming the outer peripheral shape of the ceramic fiber filter cartridge and providing a vacuum filtration cavity. The outer mold can directly form the ceramic fiber filter cartridge and the flange connecting end as one piece without the need for other flange forming processes. The outer mold can be disassembled and cleaned and has a better sealing effect.

[0032] In some embodiments, Figure 1 As shown, the outer mold may include an upper outer mold assembly 710 and a lower outer mold assembly 720. The upper outer mold assembly 710 and / or the lower outer mold assembly 720 can be moved up and down and horizontally to remove the ceramic fiber filter cartridge formed in the outer mold.

[0033] In this embodiment, the upper outer mold assembly 710 may include an upper cavity shell 711, an upper mold plate 712 and an upper bracket 713, wherein the upper cavity shell 711 is fixedly mounted on the upper bracket 713, and the upper mold plate 712 is mounted on the bottom of the upper cavity shell 711.

[0034] In this embodiment, the lower outer mold assembly 720 includes a lower cavity shell 721, a lower mold plate 722 and a lower bracket 723, wherein the lower cavity shell 721 is fixedly mounted on the lower bracket 723, and the lower mold plate 722 is mounted on the upper part of the lower cavity shell 721.

[0035] The upper template 712 and the lower template 722 each include a flange portion 701 , a middle body portion 702 and an end sealing portion 703 , and the middle body portion 702 is located between the flange portion 701 and the end sealing portion 703 .

[0036] In the above embodiment, the outer mold can directly form the ceramic fiber filter cartridge and the flange connection end in one piece without the need for other flange molding processes. The formed ceramic fiber filter cartridge with a flange end is easy to install in the filter without the need for drilling holes in the main body for connection.

[0037] like Figure 1 As shown, the flange portion 701, the middle body portion 702 and the end plugging portion 703 of the upper template 712 are fixedly mounted on the upper cavity housing 711. In this embodiment, the flange portion 701, the middle body portion 702 and the end plugging portion 703 of the upper template 712 can be an integrated structure or a segmented structure.

[0038] like Figure 1 and Figure 4 , 5 , 6, Figure 5 and Figure 6 : is a schematic diagram of the structure of the middle body part 702 of the lower template 722. The flange part 701 and the end plugging part 703 of the lower template 722 are fixedly mounted on the lower cavity shell 721, and the middle body part 702 of the lower template 722 is mounted on the lower cavity shell 721 in a detachable manner. In this embodiment, the flange part 701, the middle body part 702 and the end plugging part 703 of the lower template 722 are segmented splicing structures, for example, the middle body part 702 is directly overlapped on the lower cavity shell 721, so as to be disassembled for cleaning. However, it is not limited to this, the lower template 722 can also be an integral structure, for example, when cleaning is required, the entire lower template is directly removed from the lower cavity shell.

[0039] In some embodiments, Figure 1 , 4 As shown in Figures 5 and 6, the upper template 712 and the lower template 722 both have a plurality of filter holes for extracting water vapor. These filter holes are densely arranged small holes, so that the water vapor in the ceramic fiber filter cartridge can be sucked away by the negative pressure of the vacuum equipment, so as to quickly solidify and form the ceramic fiber filter cartridge.

[0040] like Figure 2 As shown, a cavity 731 for vacuum filtration is provided between the upper cavity shell 711 and the upper mold plate 712, and a cavity 731 for vacuum filtration is provided between the lower cavity shell 721 and the lower mold plate 722. The cavity 731 of the upper outer mold assembly 710 can be connected with the cavity 731 of the lower outer mold assembly 720, and the same set of vacuum equipment and pipeline system are shared.

[0041] Preferably, if Figure 2 As shown, the upper template 712 and the lower template 722 are symmetrically arranged semi-cylindrical. When the upper outer mold assembly 710 and the lower outer mold assembly 720 are docked, the shape enclosed by the upper template 712 and the lower template 722 is the same as the outer contour of the ceramic fiber filter cartridge.

[0042] Figure 3 Schematic diagram of the structure of the ceramic fiber filter cartridge that can be formed by the outer mold of the embodiment of the present invention. Figure 3As shown, the middle part of the ceramic fiber filter cartridge is a cylindrical body 11, and the two ends are respectively a flange end 12 and a terminal plugging end 13. The interior of the molded ceramic fiber filter cartridge is hollow. During the molding process, an axial inner mold with fabric is arranged inside, and the ceramic fiber filter cartridge is molded between the outer mold and the inner mold by rotating the centrifugal fabric.

[0043] like Figure 2 and Figure 3 As shown, the upper template 712 and the lower template 722 can be symmetrically arranged semi-cylindrical. When the upper outer mold assembly 710 and the lower outer mold assembly 720 are docked, the shape enclosed by the upper template 712 and the lower template 722 is the same as the outer contour of the ceramic fiber filter cartridge.

[0044] like Figure 1 As shown, the flange portion 702 of the upper template 712 is located at one end of the upper cavity shell away from the terminal blocking portion 703, and the flange portion 702 of the lower template 722 is located at one end of the lower cavity shell away from the terminal blocking portion 703, and the diameter of the flange portion 702 is greater than the diameter of the middle body portion 701. In this embodiment, the flange portion 702 is close to the side where the shaft-shaped inner mold of the fabric enters the outer mold, so as to facilitate demolding after molding.

[0045] In some embodiments, the ends of the end blocking portions 703 of the upper template 712 and the lower template 722 are in the shape of a quarter sphere, and the two are combined into a hemispherical structure.

[0046] In some embodiments, Figure 1 As shown, the center portion of the outer side of the end sealing portion 703 of the upper template 712 has a semi-cylindrical reserved groove 704, and the center portion of the outer side of the end sealing portion 703 of the lower template 722 also has a semi-cylindrical reserved groove 704 for the installation of the centering structure, which is convenient for the molding of a longer ceramic fiber filter cartridge.

[0047] In some embodiments, the upper cavity shell 711 and / or the lower cavity shell 721 each have at least one vacuum interface connected to the cavity, and the vacuum interface is used to connect to a vacuum device. Preferably, the lower cavity shell 721 has a plurality of evenly arranged vacuum interfaces, and the upper cavity shell 711 and the lower cavity shell 721 are connected, and the water vapor in the slurry can be filtered by the dual forces of gravity and negative pressure. However, it is not limited to this, and the upper cavity shell 711 and the lower cavity shell 721 can also be arranged with a plurality of evenly arranged vacuum interfaces to increase the vacuum pressure and precise control.

[0048] In some embodiments, the upper cavity shell 711 and the lower cavity shell 721 are cast aluminum shells to reduce the overall weight; the docking end faces 732 of the upper cavity shell 711 and the lower cavity shell 721 have a sealing structure to prevent outside air from entering and internal slurry from overflowing.

[0049] In some embodiments, the upper chamber housing 711 and / or the lower chamber housing 721 has an installation interface for installing vacuum monitoring instruments to monitor the vacuum level in the filtration chamber in real time.

[0050] The outer mold of the ceramic fiber filter cartridge forming device according to the embodiment of the present invention can obtain at least the following beneficial effects:

[0051] (1) The outer mold of the embodiment of the present invention is used to form the outer shape of the ceramic fiber filter cartridge and provide a vacuum filtration cavity. The outer mold can directly form the ceramic fiber filter cartridge and the flange connection end in one piece without the need for other flange forming processes. The outer mold can quickly solidify and form the ceramic fiber filter cartridge.

[0052] (2) The outer mold of the embodiment of the present invention can be disassembled and cleaned to avoid clogging the pipeline and filter holes of the vacuum device.

[0053] (3) The outer mold of the embodiment of the present invention has a better sealing effect.

[0054] In the present invention, features described and / or illustrated for one embodiment may be used in the same or similar manner in one or more other embodiments, and / or combined with features of other embodiments or replace features of other embodiments.

[0055] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the embodiments of the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An outer mold of a ceramic fiber filter cartridge forming device, characterized in that: The outer mold is used for forming the outer shape of the ceramic fiber filter cartridge and providing a vacuum filtration cavity, and the outer mold includes an upper outer mold component and a lower outer mold component; The upper outer mold assembly comprises an upper cavity shell, an upper mold plate and an upper bracket, wherein the upper cavity shell is fixedly mounted on the upper bracket, and the upper mold plate is mounted on the bottom of the upper cavity shell; The lower outer mold assembly comprises a lower cavity shell, a lower mold plate and a lower bracket, wherein the lower cavity shell is fixedly mounted on the lower bracket, and the lower mold plate is mounted on the upper part of the lower cavity shell; Wherein, the upper template and the lower template both include a flange portion, an intermediate body portion and an end sealing portion, and the intermediate body portion is located between the flange portion and the end sealing portion.

2. The outer mold of the ceramic fiber filter cartridge forming equipment according to claim 1, characterized in that: The flange part, the middle body part and the end plugging part of the upper template are fixedly mounted on the upper cavity shell; The lower template is a segmented structure, and its flange part and the end blocking part are fixedly mounted on the lower cavity shell, and the middle body part of the lower template is detachably mounted on the lower cavity shell.

3. The outer mold of the ceramic fiber filter cartridge forming equipment according to claim 1, characterized in that: The upper template and the lower template both have a plurality of filter holes for extracting water vapor.

4. The outer mold of the ceramic fiber filter cartridge forming equipment according to claim 3, characterized in that: A cavity for vacuum filtration is provided between the upper cavity shell and the upper template, and a cavity for vacuum filtration is provided between the lower cavity shell and the lower template.

5. The outer mold of the ceramic fiber filter cartridge forming equipment according to claim 4, characterized in that: The upper template and the lower template are symmetrically arranged semi-cylindrical, and when the upper outer mold assembly and the lower outer mold assembly are butted against each other, the shape enclosed by the upper template and the lower template is the same as the outer contour of the ceramic fiber filter cartridge.

6. The outer mold of the ceramic fiber filter cartridge forming equipment according to claim 5, characterized in that: The central portion of the outer side of the end blocking portion of the upper template has a semi-cylindrical reserved groove, and the central portion of the outer side of the end blocking portion of the lower template also has a semi-cylindrical reserved groove for the installation of the centering structure.

7. The outer mold of the ceramic fiber filter cartridge forming equipment according to claim 5, characterized in that: The upper cavity shell and the lower cavity shell are cast aluminum shells, and upper and lower butt joint end surfaces of the upper cavity shell and the lower cavity shell have a sealing structure.

8. The outer mold of the ceramic fiber filter cartridge forming equipment according to claim 6, characterized in that: The end of the terminal blocking portion is in a quarter-spherical shape.

9. The outer mold of the ceramic fiber filter cartridge forming equipment according to claim 3, characterized in that: The upper cavity shell and / or the lower cavity shell each has at least one vacuum interface communicating with the cavity, and the vacuum interface is used to be connected to a vacuum extraction device.

10. The outer mold of the ceramic fiber filter cartridge forming equipment according to any one of claims 1 to 9, characterized in that: The upper chamber housing and / or the lower chamber housing has a mounting interface for mounting vacuum degree monitoring instruments.

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