CN111530273B - Hydrolysis catalytic adsorption ball for high-temperature waste gas treatment - Google Patents
Hydrolysis catalytic adsorption ball for high-temperature waste gas treatment Download PDFInfo
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- CN111530273B CN111530273B CN202010374843.3A CN202010374843A CN111530273B CN 111530273 B CN111530273 B CN 111530273B CN 202010374843 A CN202010374843 A CN 202010374843A CN 111530273 B CN111530273 B CN 111530273B
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- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
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- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- B01D53/34—Chemical or biological purification of waste gases
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Abstract
The invention discloses a hydrolysis catalytic adsorption ball for high-temperature waste gas treatment, which belongs to the technical field of waste gas treatment, and comprises a hollow honeycomb sphere and an active carbon adsorption carrier fixedly connected in the hollow honeycomb sphere, wherein the peripheral side wall of the active carbon adsorption carrier is fixedly connected with a plurality of gel adsorption sheets connected with the inner wall of the hollow honeycomb sphere, catalytic particles are filled outside a fiber reinforcement body, a gelatin hard capsule shell filled with a catalyst and an enzyme hydrolysis capsule distributed outside the gelatin hard capsule shell are filled in the catalytic particles, a hydrolase solvent filled in the enzyme hydrolysis capsule overflows under the heating condition, the overflowed hydrolase solvent realizes the decomposition of the gelatin hard capsule shell, so that the catalyst in the gelatin hard capsule shell can be slowly released and is attached to the fiber reinforcement body and the gel adsorption sheets, need not disposable input, and can evenly distributed, effectively improve the catalytic adsorption effect to waste gas.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a hydrolysis catalytic adsorption ball for high-temperature waste gas treatment.
Background
Industrial waste gases are an important source of atmospheric pollutants. The most harmful and difficult to treat in industrial waste gas is high-temperature organic waste gas, which not only contains a large amount of dust particles, but also contains a large amount of compounds such as hydrogen sulfide, sulfur dioxide, dimethyl sulfide, ammonia gas, formaldehyde and the like.
With the development of economy, environmental protection requirements are becoming more stringent, and therefore, new high-temperature industrial waste gas treatment technologies are important issues to be developed. The conventional treatment methods for waste gas treatment include combustion, absorption, biological, photocatalytic, low-temperature plasma, adsorption, and the like. The adsorption method is the most common treatment method, and the current adsorbents mainly comprise granular or honeycomb activated carbon, activated carbon fibers, molecular sieves, silica gel, high polymer adsorption resin and the like.
The adsorbent for removing sulfide is mainly divided into two classes, one is to use active carbon as carrier and to immerse metal salt on the active carbon to remove sulfur dioxide and hydrogen sulfide, and the commonly used metal salt includes chromium salt, copper salt, silver salt, etc. In addition, in order to improve the exhaust-gas treatment effect, often cooperate the catalyst to use together in the exhaust-gas treatment process, the catalyst replaces the harmful impurity in to the waste gas and gets rid of, adopts disposable input formula more among the prior art, and the ageing is relatively poor, also does not benefit to the evenly distributed of catalyst simultaneously. Therefore, the adsorption removal effect of the present method for removing the intractable molecular pollutants such as organic molecules and sulfur-containing compounds still needs to be improved.
Therefore, the hydrolysis catalytic adsorption ball for high-temperature waste gas treatment is provided to effectively improve the catalytic adsorption effect of the existing industrial discharged waste gas.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a hydrolysis catalytic adsorption ball for high-temperature waste gas treatment, which is characterized in that catalytic particles are filled outside a fiber reinforcement, a gelatin hard capsule shell filled with a catalyst and enzyme hydrolysis capsules distributed outside the gelatin hard capsule shell are coated in the catalytic particles, a hydrolase solvent filled in the enzyme hydrolysis capsules overflows under the heating condition, and the overflowing hydrolase solvent realizes the decomposition of the gelatin hard capsule shell, so that the catalyst in the gelatin hard capsule shell can be slowly released and attached to the fiber reinforcement and a gel adsorption sheet, and the catalytic adsorption effect on waste gas is effectively improved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a hydrolysis catalysis adsorption ball for high temperature exhaust-gas treatment, includes cavity honeycomb spheroid and the fixed active carbon adsorption carrier that links up in the cavity honeycomb spheroid, fixedly connected with a plurality of gel adsorption pieces that link up mutually with cavity honeycomb spheroid inner wall on the lateral wall all around of active carbon adsorption carrier, a plurality of gel adsorption pieces divide into a plurality of chambeies of placing with cavity honeycomb spheroid internal partitioning, and is a plurality of place the intracavity and all pack and have a plurality of catalytic particles, catalytic particles is including the cavity bearing spheroid that is located the outside, cavity bearing spheroid is inside to be equipped with gelatin hard bag shell, gelatin hard bag shell is inside to be filled has the catalyst, form annular hydrolysis cavity between gelatin hard bag shell and the cavity bearing spheroid, annular hydrolysis cavity is inside to be filled has a plurality of enzyme hydrolysis sacks, it is connected with a plurality of capillary fiber fine hair to inlay on cavity bearing spheroid's the outer end lateral wall, and a plurality of capillary fiber fluff penetrates through the hollow bearing sphere and extends to the outer end part of the hard gelatin capsule shell.
Further, the enzyme hydrolysis bag comprises an oval-shaped bag body placed in the annular hydrolysis cavity, the oval-shaped bag body is of a long oval-shaped capsule structure, a moving piece is connected to the inside of the oval-shaped bag body in a sliding and sealing mode, the moving piece divides the inside of the oval-shaped bag body into a gas cavity and a hydrolase cavity, a hydrolase solvent is filled in the hydrolase cavity in an injection mode, inert gas is filled in the gas cavity in an injection mode, and a breaking cone located in the hydrolase cavity is fixedly connected to the side wall of the moving piece.
Furthermore, the ellipse utricule is located the one end in the hydrolase chamber and has seted up the through-hole, the through-hole department cladding has waterproof film, and after high-temperature gas lets in to this adsorption ball department, owing to be influenced by the heating temperature, inert gas in the gas chamber receives the high temperature influence and expands to promote under pneumatic effect and remove the piece and promote to waterproof film department with the cracking cone, after waterproof film is impaled by the cracking cone, the cracking cone that is located the hydrolase chamber spills over from the through-hole department.
Further, the one end both sides that the rupture awl was kept away from to the removal piece all are through the inner wall fixed connection of extension spring and gas chamber, and extension spring plays the restriction traction effect to the removal piece, when reaching the lower limit temperature, removes the piece and can resume the original state under extension spring's the effect of rolling back, and this ellipse utricule can cyclic utilization, only need in through-hole department tectorial membrane again can.
Further, the inner wall of the hollow bearing sphere is fixedly connected with a plurality of limiting pieces which play a bearing role on the gelatin hard capsule shell along the axis direction, and the top end parts of the limiting pieces are arc-shaped structures which are matched and connected with the outer wall of the gelatin hard capsule shell.
Further, cavity bearing spheroid and cavity honeycomb spheroid are formed by two hemispheroids concatenation, set to hemisphere reassembling type, and easily dismantle the change, cavity bearing spheroid and cavity honeycomb spheroid are cavity activated carbon fiber skeleton, the coating has the calcium oxide coating on the cavity activated carbon fiber skeleton, can adsorb acid gas.
Furthermore, the inside of the activated carbon adsorption carrier is filled with a fiber reinforcement body, the fiber reinforcement body is prepared by mixing metal particles and alumina short fibers, and the formed fiber polymer effectively improves the mechanical strength of the whole adsorption ball device.
Furthermore, the gel adsorption sheet is of a fan-shaped structure, and the outer end wall of the gel adsorption sheet is provided with a plurality of capture short fibers, so that organic impurities in the gas can be adsorbed on one hand, and a carrier can be provided for the permeated gas on the other hand.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) according to the scheme, the catalytic particles are filled outside the fiber reinforcement body, the gelatin hard capsule shell filled with the catalyst and the enzyme hydrolysis capsules distributed outside the gelatin hard capsule shell are coated in the catalytic particles, the enzyme hydrolysis capsules overflow a hydrolase solvent filled in the enzyme hydrolysis capsules under the heating condition, and the overflowing hydrolase solvent is decomposed on the gelatin hard capsule shell, so that the catalyst in the gelatin hard capsule shell is slowly released and attached to the fiber reinforcement body and a gel adsorption sheet, the enzyme hydrolysis capsules do not need to be put in one time, and can be uniformly distributed, the catalytic adsorption effect on waste gas is effectively improved.
(2) The enzyme hydrolysis bag comprises an oval bag body placed in an annular hydrolysis cavity, the oval bag body is of a long oval capsule structure, a moving piece is connected in the oval bag body in a sliding and sealing mode, the moving piece divides the interior of the oval bag body into a gas cavity and a hydrolase cavity, a hydrolase solvent is filled in the hydrolase cavity in an injection mode, inert gas is filled in the gas cavity in an injection mode, a breaking cone located in the hydrolase cavity is fixedly connected to the side wall of the moving piece, a through hole is formed in one end, located in the hydrolase cavity, of the oval bag body, a waterproof film is coated in the through hole, after high-temperature gas is introduced to the adsorption ball, the inert gas in the gas cavity is influenced by high temperature to expand and expand due to the influence of the heating temperature, so that the moving piece and the breaking cone are pushed to the waterproof film under the action of pneumatic action, and after the waterproof film is pierced by the breaking cone, the cracking cone positioned in the hydrolytic enzyme cavity overflows from the through hole.
(3) The one end both sides that the rupture awl was kept away from to the removal piece all are through extension spring and the inner wall fixed connection of gas chamber, and extension spring plays the restriction traction effect to the removal piece, when reaching the lower limit temperature, removes the piece and can resume the original state under extension spring's the effect of rolling back, and this oval utricule can cyclic utilization, only need in through-hole department tectorial membrane again can.
(4) The inner wall of cavity bearing spheroid is connected with a plurality ofly along its axle center direction fixedly and plays the spacing piece of supporting effect to gelatin hard bag shell, and is a plurality of the tip portion of spacing piece is for the arc structure that links up with gelatin hard bag shell outer wall phase-match, plays the supporting effect to gelatin hard bag shell promptly, provides the space of placing again for the enzyme hydrolysis bag.
(5) Cavity bearing spheroid and cavity honeycomb spheroid are formed by two hemispheroids concatenation, set to hemisphere reassembling type, and easily the dismantlement is changed, cavity bearing spheroid and cavity honeycomb spheroid are cavity activated carbon fiber skeleton, the coating has the calcium oxide coating on the cavity activated carbon fiber skeleton, can adsorb acid gas.
(6) The inside of the active carbon adsorption carrier is filled with a fiber reinforcement body, the fiber reinforcement body is prepared by mixing metal particles and alumina short fibers, and the formed fiber polymer effectively improves the mechanical strength of the whole adsorption ball device.
(7) The gel adsorption sheet is of a fan-shaped structure, and the outer end wall of the gel adsorption sheet is provided with a plurality of capture short fibers, so that organic impurities in gas are adsorbed on one hand, and a carrier can be provided for permeation on the other hand.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a perspective view of the bond between the fiber reinforcement and the gel absorbent sheet of the present invention;
FIG. 3 is a perspective view of FIG. 2 with a capture staple added;
FIG. 4 is an internal cross-sectional view of the catalytic particle of the present invention;
figure 5 is an internal cross-sectional view of the hollow support sphere of the present invention;
FIG. 6 is an external perspective view of the catalytic particle of the present invention;
FIG. 7 is an internal cross-sectional view of the enzyme hydrolysis capsule of the present invention.
The reference numbers in the figures illustrate:
1 hollow honeycomb sphere, 2 activated carbon adsorption carrier, 3 fiber reinforcement, 4 gel adsorption sheet, 401 capture short fiber, 5 catalytic particles, 501 hollow support sphere, 502 gelatin hard capsule shell, 503 catalyst, 504 spacing sheet, 505 capillary fiber fluff, 506 enzyme hydrolysis capsule, 5061 ellipse capsule body, 5062 moving sheet, 5063 hydrolase solvent, 5064 breaking cone, 5065 stretching spring, 5066 waterproof film and 5067 inert gas.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-2, a hydrolytic catalytic adsorption ball for high-temperature exhaust gas treatment includes a hollow honeycomb sphere 1 and an activated carbon adsorption carrier 2 fixedly connected in the hollow honeycomb sphere 1, the activated carbon adsorption carrier 2 is immersed in a metal salt for modification treatment, a plurality of gel adsorption sheets 4 connected with the inner wall of the hollow honeycomb sphere 1 are fixedly connected to the peripheral side wall of the activated carbon adsorption carrier 2, the interior of the hollow honeycomb sphere 1 is divided into a plurality of placing cavities by the plurality of gel adsorption sheets 4, and a plurality of catalytic particles 5 are filled in the plurality of placing cavities.
Referring to fig. 4-6, the catalytic particle 5 includes a hollow support sphere 501 located at the outer side, a gelatin hard capsule shell 502 is disposed inside the hollow support sphere 501, a catalyst 503 is filled inside the gelatin hard capsule shell 502, an annular hydrolysis cavity is formed between the gelatin hard capsule shell 502 and the hollow support sphere 501, a plurality of enzyme hydrolysis capsules 506 are filled inside the annular hydrolysis cavity, a plurality of capillary fiber bristles 505 are embedded and connected on the outer end side wall of the hollow support sphere 501, and the plurality of capillary fiber bristles 505 penetrate through the hollow support sphere 501 and extend to the outer end portion of the gelatin hard capsule shell 502.
Referring to fig. 7, in detail, the enzymatic hydrolysis capsule 506 includes an oblong capsule 5061 disposed in an annular hydrolysis cavity, the oblong capsule 5061 is an oblong capsule, the oblong capsule 5061 is slidably and sealingly connected to a moving plate 5062, the moving plate 5062 divides the inside of the oblong capsule 5061 into a gas cavity and a hydrolase cavity, a hydrolase solvent 5063 is injected and filled in the hydrolase cavity, an inert gas 5067 is injected and filled in the gas cavity and can be filled with helium gas, a breaking cone 5064 in the hydrolase cavity is fixedly connected to a side wall of the moving plate 5062, a through hole is formed at one end of the oblong capsule 5061 in the hydrolase cavity, the through hole is covered with a waterproof film 5066, when a high-temperature gas is introduced to the adsorption sphere, the inert gas 5067 in the gas cavity is expanded and expanded due to the influence of high temperature, so that the moving plate 5062 and the breaking cone 5064 are pneumatically pushed to the waterproof film 5066, when the waterproof film 5066 is pierced by the breaking cone 5064, the breaking cone 5064 located in the hydrolytic enzyme cavity overflows from the through hole.
The hydrolase solvent 5063 overflowing from the through holes is dispersed in the hollow supporting sphere 501, the hydrolase solvent 5063 is transmitted to the gelatin hard capsule shell 502 by capillary fiber fluff 505, the hydrolase solvent 5063 meets the gelatin hard capsule shell 502 to hydrolyze the gelatin hard capsule shell 502, when the gelatin hard capsule shell 502 is dissolved, the catalyst 503 inside permeates out of the degraded gelatin hard capsule shell 502, can be transported and conveyed by the capillary fiber fluff 505 during permeation, so as to realize that the catalyst 503 is attached to the fiber reinforcement 3 and the gel adsorption sheet 4 which are slowly released and attached, the catalyst 503 is a desulfurization and denitrification catalyst, the catalytic adsorption effect on the waste gas is effectively improved, by adopting the cracking permeation method when in use, the catalyst is not easy to lose efficacy to a certain extent, and meanwhile, the adsorption inefficacy of the adsorption ball can be effectively improved by utilizing a slow release type.
It is to be supplemented here that both sides of one end of the moving piece 5062 far from the cracking cone 5064 are fixedly connected with the inner wall of the gas cavity through an extension spring 5065, the extension spring 5065 plays a role in restricting and drawing the moving piece 5062, when the lower limit temperature is reached, the moving piece 5062 can be restored under the retraction effect of the extension spring 5065, and the elliptical capsule 5061 can be recycled, and only the through hole needs to be coated with a film again.
Referring to fig. 4-5, the inner wall of the hollow supporting sphere 501 is fixedly connected with a plurality of limiting pieces 504 for supporting the gelatin hard capsule shell 502 along the axial direction, and the top end portions of the plurality of limiting pieces 504 are arc-shaped structures matched and connected with the outer wall of the gelatin hard capsule shell 502.
Referring to fig. 1-3, in addition, the inside of the activated carbon adsorption carrier 2 is filled with a fiber reinforcement 3, the fiber reinforcement 3 is formed by mixing metal particles and alumina short fibers, the formed fiber aggregate effectively improves the mechanical strength of the whole adsorption ball device, the gel adsorption sheet 4 is a fan-shaped structure, the outer end wall of the gel adsorption sheet 4 is provided with a plurality of catching short fibers 401, on one hand, the gel adsorption sheet adsorbs organic impurities in the gas, and on the other hand, the gel adsorption sheet can also provide a carrier for the catalyst 503 which permeates out.
According to the invention, the catalytic particles 5 are filled outside the fiber reinforcement 3, the gelatin hard capsule shell 502 filled with the catalyst 503 and the enzyme hydrolysis capsules 506 distributed outside the gelatin hard capsule shell 502 are coated in the catalytic particles 5, the hydrolase solvent 5063 filled in the enzyme hydrolysis capsules 506 overflows under the heating condition, and the overflowing hydrolase solvent 5063 realizes the decomposition of the gelatin hard capsule shell 502, so that the catalyst 503 in the gelatin hard capsule shell 502 can be slowly released and attached to the fiber reinforcement 3 and the gel adsorption sheet 4, the catalytic adsorption effect on exhaust gas is effectively improved, and the adsorption ball is remarkably stored at low temperature before use.
The components used in the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.
As described above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (3)
1. The utility model provides a hydrolysis catalytic adsorption ball for high temperature exhaust-gas treatment, includes cavity honeycomb spheroid (1) and fixed connection in active carbon adsorption carrier (2) in cavity honeycomb spheroid (1), its characterized in that: the activated carbon adsorption carrier is characterized in that a plurality of gel adsorption sheets (4) connected with the inner wall of the hollow honeycomb sphere (1) are fixedly connected to the peripheral side wall of the activated carbon adsorption carrier (2), the interior of the hollow honeycomb sphere (1) is divided into a plurality of placing cavities by the gel adsorption sheets (4), the placing cavities are filled with a plurality of catalytic particles (5), the catalytic particles (5) comprise a hollow bearing sphere (501) positioned at the outer side, a gelatin hard capsule shell (502) is arranged in the hollow bearing sphere (501), a catalyst (503) is filled in the gelatin hard capsule shell (502), an annular hydrolysis cavity is formed between the gelatin hard capsule shell (502) and the hollow bearing sphere (501), a plurality of enzyme hydrolysis capsules (506) are filled in the annular hydrolysis cavity, and a plurality of capillary fiber fluff (505) are embedded and connected to the outer end side wall of the hollow bearing sphere (501), and a plurality of capillary fiber fluff (505) penetrate through the hollow bearing sphere (501) and extend to the outer end part of the gelatin hard capsule shell (502);
the enzyme hydrolysis bag (506) comprises an oval bag body (5061) placed in an annular hydrolysis cavity, the oval bag body (5061) is of a long oval bag structure, a moving sheet (5062) is connected to the inside of the oval bag body (5061) in a sliding and sealing mode, the moving sheet (5062) divides the inside of the oval bag body (5061) into a gas cavity and a hydrolase cavity, a hydrolase solvent (5063) is filled in the hydrolase cavity in an injection mode, an inert gas (5067) is filled in the gas cavity in an injection mode, and a breaking cone (5064) located in the hydrolase cavity is fixedly connected to the side wall of the moving sheet (5062);
one end of the elliptic bag body (5061) positioned in the hydrolase cavity is provided with a through hole, and a waterproof film (5066) is coated at the through hole;
both sides of one end, far away from the cracking cone (5064), of the moving sheet (5062) are fixedly connected with the inner wall of the gas cavity through extension springs (5065);
the inner wall of the hollow bearing sphere (501) is fixedly connected with a plurality of limiting pieces (504) which play a role in supporting the gelatin hard capsule shell (502) along the axis direction, and the top end parts of the limiting pieces (504) are of arc structures which are matched and connected with the outer wall of the gelatin hard capsule shell (502);
the hollow bearing sphere (501) and the hollow honeycomb sphere (1) are formed by splicing two hemispheroids, the hollow bearing sphere (501) and the hollow honeycomb sphere (1) are both hollow activated carbon fiber frameworks, and calcium oxide coatings are coated on the hollow activated carbon fiber frameworks.
2. The hydrolysis catalytic adsorption ball for high-temperature exhaust gas treatment according to claim 1, wherein: the activated carbon adsorption carrier (2) is filled with a fiber reinforcement (3), and the fiber reinforcement (3) is prepared by mixing metal particles and alumina short fibers.
3. The hydrolysis catalytic adsorption ball for high-temperature exhaust gas treatment according to claim 1, wherein: the gel adsorption sheet (4) is of a fan-shaped structure, and a plurality of short capturing fibers (401) are arranged on the outer end wall of the gel adsorption sheet (4).
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| CN112061781A (en) * | 2020-09-04 | 2020-12-11 | 劳业鸿 | Cold sealing net packed ball for collecting and transporting metal lithium waste residues |
| CN112146100A (en) * | 2020-09-04 | 2020-12-29 | 钟德仁 | Domestic garbage incineration pretreatment method |
| CN114671720A (en) * | 2022-03-30 | 2022-06-28 | 晁迪 | Microbial manure makes with reinforced control mechanism |
| CN114713022B (en) * | 2022-04-26 | 2024-05-03 | 韩瑞端 | Cultural relic space integrated efficient air treatment equipment |
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