CN211158935U - High temperature filters filter core seal structure and filter - Google Patents
High temperature filters filter core seal structure and filter Download PDFInfo
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- CN211158935U CN211158935U CN201921898371.0U CN201921898371U CN211158935U CN 211158935 U CN211158935 U CN 211158935U CN 201921898371 U CN201921898371 U CN 201921898371U CN 211158935 U CN211158935 U CN 211158935U
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Abstract
The utility model relates to a coal gas treatment filters the field, particularly, relates to a high temperature filters filter core seal structure and filter. The high-temperature filtering filter element sealing structure comprises a filter element and a fixing component, wherein the fixing component is arranged at an air outlet of the filter element and is connected with the filter element; a first sealing element is arranged between the fixing component and the filter element; high temperature filters filter core seal structure includes at the blowback in-process, prevents that the blowback air current from assaulting the protective sheath of first sealing member, and the protective sheath is located between fixed subassembly and the first sealing member, and fixed subassembly and first sealing member are connected with the protective sheath respectively. Utilize the protective sheath to protect first sealing member, prevent the blowback in-process, the blowback gas acts on first sealing member, guarantees then that the structure of first sealing member is complete for high temperature filter core seal structure has good sealing performance all the time, guarantees that all crude gas all filters through high temperature filter core seal structure, has guaranteed high temperature filter core seal structure's filter effect.
Description
Technical Field
The utility model relates to a coal gas treatment filters the field, particularly, relates to a high temperature filters filter core seal structure and filter.
Background
The raw coke oven gas that the pyrolysis of garrulous coal produced contains a large amount of dusts, and in filtering process, the surface of filter core in a large amount of dusts can the adhesion filter, and the time is of a specified duration filterable filter core can be blockked up, then causes the filter to become invalid, has also shortened the life of filter, in order to reduce the jam, guarantees the filter effect to make the filter core have the longer period to carry out normal filtration, need through instantaneous quick blowback, make the apparent dust of filter core shake off. However, in the actual production process, the filtering effect of the filtering device after back flushing is not obviously restored, so that dust remains in the raw coke oven gas filtered after back flushing, and the subsequent production is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high temperature filters filter core seal structure and filter, this high temperature filters filter core seal structure durable has eliminated in the past the filter because the blowback makes sealed inefficacy, leads to the coal gas after the filtration still to contain more dust phenomenon then, has established good basis for the later process.
The embodiment of the utility model discloses a can realize like this:
in a first aspect, an embodiment of the present invention provides a high temperature filtering element sealing structure, which is used for filtering raw coke oven gas generated by coal pyrolysis, and includes a filtering element and a fixing component for fixing the filtering element, wherein the fixing component is disposed at an air outlet of the filtering element and connected with the filtering element;
a first sealing element for improving the sealing performance of the high-temperature filtering filter element sealing structure is arranged between the fixing assembly and the filter element;
the high-temperature filtering core sealing structure comprises a protective sleeve for preventing reverse blowing airflow from impacting the first sealing element in a reverse blowing process, the protective sleeve is arranged between the fixed assembly and the first sealing element, and the fixed assembly and the first sealing element are respectively connected with the protective sleeve.
The inventor discovers, among the prior art blowback in-process, blowback gas can act on the sealing member between fixed subassembly and the high temperature filtration filter core seal structure tip, then make this sealing member structure destroyed, then reduced the sealing performance of sealing member, then when leading to filtering again after the blowback, there is partial raw coke oven gas not to pass through the filter core of filter, but direct entering through losing sealed gap and straining back gas, then still contain the dust in the gas that leads to obtaining at last, the filter effect of filter has been reduced, and the utility model discloses in, the inventor creatively utilizes the protective sheath to protect the sealing member, prevent the blowback in-process, blowback gas acts on the sealing member, guarantees the sealing performance of sealing member, then promote high temperature filtration filter core seal structure's filtering quality.
In an alternative embodiment, the protective sheath includes a first protection portion that prevents the blowback airflow from impacting a side of the first seal that is relatively close to the fixing assembly, and a second protection portion that prevents the blowback airflow from impacting a side of the first seal;
the first protection portion is connected with the second protection portion, the first protection portion is located the first sealing piece and between the fixed assemblies, the fixed assemblies and the first sealing piece are respectively connected with two opposite sides of the first protection portion, and the second protection portion is connected with the side face of the first sealing piece.
In an alternative embodiment, the second protection covers the side of the first seal completely.
In an alternative embodiment, the angle between the first protection portion and the second protection portion is 80 to 100 degrees, preferably 90 degrees;
preferably, the protective sleeve has a thickness of 1-3 mm.
In an alternative embodiment, the filter element is a filter element with a hollow structure, and the bottom of the filter element is self-sealed.
In an alternative embodiment, the neck of the filter element is flared and tapered.
In an alternative embodiment, the high temperature filtration cartridge sealing arrangement further comprises a support orifice plate, and the securing assembly, the first sealing member, and the cartridge are all connected to the support orifice plate.
In an alternative embodiment, a second seal is provided between the neck of the cartridge and the support aperture plate.
In an alternative embodiment, the fixing assembly includes a pressing seat and a pressing plate, the pressing seat is connected with the protective sleeve, and the pressing plate is connected with the pressing seat.
In a second aspect, the embodiment of the present invention provides a filter, which comprises a filter housing and any one of the above-mentioned embodiments, wherein the high temperature filtering element sealing structure is disposed inside the filter housing, and the high temperature filtering element sealing structure will divide the filter inner cavity into an air inlet cavity and an air outlet cavity.
The utility model discloses beneficial effect of embodiment: the utility model discloses creative utilization protective sheath to fixed subassembly with first sealing member between the filter core protects, prevents the blowback in-process, and blowback gas acts on first sealing member, guarantees the complete structure of first sealing member then for high temperature filters filter core seal structure all the time and has good sealing performance, guarantees that all crude gas all filters through high temperature filtration filter core, has guaranteed high temperature filter's filter effect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a high-temperature filter element sealing structure provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a fixing assembly according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a connection between a support orifice plate and a second sealing member according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a filter according to an embodiment of the present invention.
Icon: 100-high temperature filter element sealing structure; 101-a filter element; 110-a stationary component; 120-a first seal; 130-a protective sheath; 131-a first protection portion; 132-a second protection portion; 111-pressing seat; 112-a platen; 140-a support aperture plate; 150-a second seal; 200-a filter; 201-a filter housing; 202-an air intake chamber; 203-gas outlet cavity.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
Examples
The embodiment provides a high-temperature filtering element sealing structure 100, and the high-temperature filtering element sealing structure 100 is used for filtering raw gas generated by coal pyrolysis, so that the dust content of the filtered clean gas is less than 10-8mg/m3. Specifically, the raw coke oven gas's filtration needs to seal the filter body, need carry out the blowback to high temperature filter simultaneously for the filter core surface of high temperature filter has the raw coke oven gas of filtration and adsorbs or remaining dust is blown off by the blowback, makes high temperature filter can utilize for a long time then, but, the inventor finds that high temperature filter uses after a period, and this high temperature filter has carried out the blowback, and the gas after the filtration still contains more dust. After stopping filtration, the high temperature filter was inspected to find that the sealing of the filter body was not good, and analyzedThe sealing element is blown away by the blowback airflow, because the flow velocity of the blowback airflow can reach dozens of meters per second, the impact force of the blowback airflow on each part of the high-temperature filter is large, particularly, when the sealing element between the fixing assembly and the filter element is subjected to the large impact force of the blowback airflow, the sealing element is blown away, even the phenomenon that the sealing element completely disappears occurs, the sealing performance of the sealing element is reduced, and the crude gas cannot be filtered to achieve the proper filtering effect.
Therefore, referring to fig. 1, based on the above technical problem, the inventor creatively discloses a high temperature filtering filter element sealing structure 100, which comprises a filter element 101, wherein the filter element 101 is used for filtering raw gas, the filter element 101 is a filter element with a hollow structure, specifically, the filter element 101 is a circular cylinder with a hollow structure in the present embodiment, but it can be understood that filter elements 101 with other shapes or structures are also within the protection scope of the invention.
Specifically, the bottom self sealss of filter core 101, when preparing filter core 101 promptly, its bottom just has been the shaping, and gaseous outer circumferencial direction along filter core 101 gets into the filter core 101 intracavity through the wall that contains a large amount of fine pore filter cores, then realizes filtering, and the neck of filter core 101 is outer expanding taper neck form, is convenient for then fix filter core 101, prevents that high temperature filtration filter core seal structure 100 from taking place to remove in the use, has guaranteed the filter effect.
Specifically, the operation of the high temperature filter cartridge sealing arrangement 100 is as follows: by utilizing the pressure difference between the inside and the outside of the filter element 101, the raw coke oven gas enters the inner cavity, namely the hollow part, of the filter element 101 from the outer wall of the filter element 101 and then flows out from the air outlet of the high-temperature filtering filter element sealing structure 100, and the filtered raw coke oven gas is obtained. And (3) during back flushing: the back-blowing air flow is introduced from the air outlet of the high-temperature filtering core sealing structure 100 at the speed of tens of meters per second for 0.2-1 second, and then the filtration is carried out.
Referring to fig. 2, the high-temperature filtering cartridge sealing structure 100 further includes a fixing assembly 110 for fixing the filter cartridge 101, wherein the fixing assembly 110 is disposed at an air outlet of the filter cartridge 101 and connected to the filter cartridge 101; the fixed component 110 presses the filter element 101, so that the filter element 101 is prevented from shaking or moving in the vertical direction in the filtering or back flushing process, and the filtering effect is further ensured. Further, referring to fig. 3, the fixing assembly 110 includes a pressing base 111 and a pressing plate 112, the pressing plate 112 is connected to the pressing base 111, the pressing base 111 and the filter element 101 are both provided with an air outlet, the pressing base 111 and the pressing plate 112 are used for pressing the high-temperature filtering filter element sealing structure 100, the stability of the high-temperature filtering filter element sealing structure 100 is further improved, and the pressing base 111 is further pressed through the pressing plate 112, so that the sealing firmness is improved.
The filter element 101 of the high-temperature filter element sealing structure 100 has a hollow structure, and the pressure seat 111 is provided at the air outlet of the filter element 101 to press the filter element 101 and prevent the high-temperature filter element sealing structure 100 from moving, so that the pressure seat 111 has a hollow structure to ensure the flow of the gas.
Since the filtered gas is raw coke oven gas with a certain temperature, in order to ensure the sealing effect, the raw material for preparing the first sealing element 120 is the existing raw material with high temperature resistance and corrosion resistance, such as a high temperature resistant ceramic fiber mat, that is, the first sealing element 120 is a sealing structure made of the high temperature resistant ceramic fiber mat.
Although the first sealing element 120 improves the sealing performance, during the blowback process, the impact of the blowback airflow on the first sealing element 120 is large, so that the first sealing element 120 is often blown up or even disappears, and the sealing performance is reduced, and the filtering effect is also reduced. Therefore, the utility model discloses a high temperature filters filter core seal structure 100 still includes at the blowback in-process, prevents that the blowback air current from strikeing the protective sheath 130 of first sealing member 120, protective sheath 130 is located fixed subassembly 110 with between the first sealing member 120, fixed subassembly 110 and first sealing member 120 respectively with protective sheath 130 is connected, and protective sheath 130 is connected with pressure seat 111. Protective sheath 130 carries out good protection to first sealing member 120, can prevent at the blowback in-process from the blowback air current that the filter core 101 gas outlet let in to strike first sealing member 120, guarantees then that first sealing member 120 is complete in structure, guarantees that first sealing member 120 can play good sealing performance, guarantees then that high temperature filters filter core seal structure 100's filter effect.
Specifically, the protection sleeve 130 includes a first protection portion 131 and a second protection portion 132, the first protection portion 131 prevents the blowback airflow from impacting a side of the first sealing member 120 relatively close to the fixing assembly 110, and the second protection portion 132 prevents the blowback airflow from impacting a side of the first sealing member 120. Because the blowback air current gets into filter core 101 from the gas outlet of filter core 101 during the blowback, consequently, can be to first sealing member 120 relatively close to one side of fixed subassembly 110 and the side of first sealing member 120 cause great impact, and above-mentioned two planes of above-mentioned first sealing member 120 of protection that first protection portion 131 and second protection portion 132 can be good guarantee then that first sealing member 120 can not receive the great impact force of blowback air current, guaranteed the filter effect of high temperature filtration filter core seal structure 100.
Specifically, the first protection portion 131 is connected to the second protection portion 132, the first protection portion 131 is located between the first sealing element 120 and the fixing assembly 110, the fixing assembly 110 and the first sealing element 120 are respectively connected to two opposite sides of the first protection portion 131, and the second protection portion 132 is connected to an inner side surface of the first sealing element 120.
Further, the second protection portion 132 completely covers the inner side surface of the first sealing element 120, so that the first sealing element 120 can be better protected, the effect of the reverse blowing airflow on the first sealing element 120 is reduced, and the filtering effect of the high-temperature filter is improved.
Further, the included angle between the first protection portion 131 and the second protection portion 132 is 80-100 degrees, so that the protection cover 130 is L type, preferably 90 degrees, and the thickness of the protection cover 130 is 1-3 mm, for example, 1 mm, 1.5 mm, 1.8 mm, 2 mm, 2.2 mm, 2.5 mm, and 3 mm.
The material of which the protective sheath 130 is made may be a material having high temperature resistance and corrosion resistance, such as stainless steel. And the protective sheath 130 can be a stamping part, and the stamping part has the advantages of consistent size, high production efficiency and low cost.
And the structures of the first protection portion 131 and the second protection portion 132 may be changed according to the shape structure of the side relatively close to the fixing member 110 and the side of the first gasket, and are not limited to the shape described in the present embodiment.
Further, referring to fig. 3, the high temperature filtration cartridge sealing arrangement 100 further includes a support aperture plate 140, and the securing assembly 110, the first seal member 120, and the cartridge 101 are all coupled to the support aperture plate 140. The supporting hole plate 140 can fix and support the filter element 101 in the horizontal direction, so as to further prevent the filter element 101 from moving in the filtering or back-blowing process, especially in the horizontal direction, and ensure the filtering effect of the high-temperature filter.
Further, because the neck of filter core 101 is the flaring taper neck form, the poor problem of sealed effect appears easily in the part that support orifice plate 140 is connected with filter core 101, if the sealed effect reduces here, also can lead to whole high temperature filter sealing performance to reduce, leads to high temperature filter's filter effect to reduce then. Thus, a second seal 150 is provided between the neck of the filter cartridge 101 and said support aperture plate 140; the second sealing member 150 is formed by winding a high-temperature-resistant material around the neck of the filter element 101, and the sealing performance of the second sealing member 150 can be ensured by preparing the second sealing member 150 in the above manner.
Further, the inventor also found that the filtering effect of the high-temperature filter after blowback in the prior art is reduced not only because the structure of the first sealing member 120 is damaged after the blowback airflow impacts the first sealing member 120, but also the sealing performance of the place where the first sealing member 120 seals is reduced. When the structure including the first sealing member 120 is damaged, the acting force between the second sealing member 150 and the support hole plate 140 is reduced, and the sealing effect of the second sealing member 150 is reduced, thereby further reducing the sealing effect, and further reducing the filtering effect of the high temperature filter. And the first sealing member 120 of protection has not only guaranteed the sealing performance of first sealing member 120, also makes second sealing member 150 and support orifice plate 140 have good effort, has then also guaranteed the performance of second sealing member 150, has then promoted high temperature filter's sealing performance on the whole, guarantees high temperature filter's filtration performance for the filtration performance of high temperature filter after the blowback obtains guaranteeing.
Further, referring to fig. 4, the present embodiment further provides a filter 200, which includes a filter housing 201 and the high temperature filtering insert sealing structure 100 of any one of the foregoing embodiments, wherein the high temperature filtering insert sealing structure 100 is disposed inside the filter housing 201, and the supporting pore plate 140 is connected to the filter housing 201, so that the high temperature filtering insert sealing structure 100 divides the inner cavity of the filter 200 into an air inlet cavity 202 and an air outlet cavity 203. The raw coke oven gas passes through the air inlet cavity 202 and then passes through the filter element 101 for filtering, flows out from the air outlet of the filter element 101, then enters the air outlet cavity 203, and then flows out of the filter 200.
It should be noted that the high temperature such as the high temperature filter and the high temperature filter element described in the present invention refers to the crude gas with the temperature of 400-.
To sum up, the utility model provides a high temperature filters filter core seal structure, it through set up the protective sheath to fixed subassembly with first sealing member between the filter core protects, prevents the blowback in-process, and blowback gas acts on first sealing member, guarantees the complete structure of first sealing member then for high temperature filters filter core seal structure all the time has good sealing performance, guarantees that all crude gas all filters through high temperature filter's filter core, has guaranteed high temperature filter's filter effect. Meanwhile, the structural integrity of the first sealing element is guaranteed, the second sealing element between the support pore plate and the high-temperature filtering filter element sealing structure can be guaranteed to play a good sealing effect, and the filtering effect of the high-temperature filter is further guaranteed.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A high-temperature filtering filter element sealing structure is characterized in that the high-temperature filtering filter element sealing structure is used for filtering raw coke oven gas generated by coal pyrolysis, and comprises a filter element and a fixing assembly for fixing the filter element, wherein the fixing assembly is arranged at an air outlet of the filter element and is connected with the filter element;
a first sealing element for improving the sealing performance of the high-temperature filtering filter element sealing structure is arranged between the fixing assembly and the filter element;
the high-temperature filtering filter element sealing structure further comprises a protective sleeve for preventing reverse blowing airflow from impacting the first sealing element in a reverse blowing process, the protective sleeve is arranged between the fixing assembly and the first sealing element, and the fixing assembly and the first sealing element are respectively connected with the protective sleeve.
2. The high temperature filtration cartridge seal arrangement of claim 1, wherein the boot includes a first guard portion that prevents the blowback airflow from impinging a side of the first seal member relatively close to the stationary assembly and a second guard portion that prevents the blowback airflow from impinging a side of the first seal member;
the first protection portion is connected with the second protection portion, the first protection portion is located the first sealing piece and between the fixed assemblies, the fixed assemblies and the first sealing piece are respectively connected with two opposite sides of the first protection portion, and the second protection portion is connected with the side face of the first sealing piece.
3. The high temperature filtration cartridge seal arrangement of claim 2, wherein the second guard completely covers a side of the first seal member.
4. The high temperature filtration cartridge seal arrangement of claim 2, wherein an included angle between the first guard and the second guard is 80-100 degrees, such that the protective sleeve is L-shaped;
the thickness of the protective sleeve is 1-3 mm.
5. The high temperature filtration cartridge seal arrangement of claim 1, wherein the cartridge is a cartridge having a hollow configuration and the cartridge bottom is self-sealing.
6. The high temperature filtration cartridge seal arrangement of claim 5, wherein the neck of the cartridge is flared and tapered.
7. The high temperature filtration cartridge seal arrangement of claim 6, further comprising a support orifice plate, the securing assembly, the first seal member, and the cartridge being connected to the support orifice plate.
8. The high temperature filtration cartridge seal arrangement of claim 7, wherein a second seal member is disposed between the neck of the cartridge and the support orifice plate;
the second seal member is a seal member formed from a high temperature resistant material wrapped around the neck of the cartridge.
9. The high temperature filtration cartridge seal arrangement of claim 1, wherein the retaining assembly comprises a pressure seat and a pressure plate, the pressure seat being connected to the protective sleeve, the pressure plate being connected to the pressure seat.
10. A filter comprising a filter housing and the high temperature filtration cartridge seal arrangement of any of claims 1-9 disposed within the filter housing and dividing the filter interior cavity into an inlet chamber and an outlet chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921898371.0U CN211158935U (en) | 2019-11-05 | 2019-11-05 | High temperature filters filter core seal structure and filter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921898371.0U CN211158935U (en) | 2019-11-05 | 2019-11-05 | High temperature filters filter core seal structure and filter |
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| CN211158935U true CN211158935U (en) | 2020-08-04 |
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| CN201921898371.0U Active CN211158935U (en) | 2019-11-05 | 2019-11-05 | High temperature filters filter core seal structure and filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110613985A (en) * | 2019-11-05 | 2019-12-27 | 河南龙成煤高效技术应用有限公司 | High temperature filters filter core seal structure and filter |
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2019
- 2019-11-05 CN CN201921898371.0U patent/CN211158935U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110613985A (en) * | 2019-11-05 | 2019-12-27 | 河南龙成煤高效技术应用有限公司 | High temperature filters filter core seal structure and filter |
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