CN113731021A - Preparation method of high-adsorption activated carbon rod, high-adsorption activated carbon rod and filtering device thereof - Google Patents
Preparation method of high-adsorption activated carbon rod, high-adsorption activated carbon rod and filtering device thereof Download PDFInfo
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- CN113731021A CN113731021A CN202111013950.4A CN202111013950A CN113731021A CN 113731021 A CN113731021 A CN 113731021A CN 202111013950 A CN202111013950 A CN 202111013950A CN 113731021 A CN113731021 A CN 113731021A
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2055—Carbonaceous material
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Abstract
The invention discloses a preparation method of a high-adsorption activated carbon rod, the high-adsorption activated carbon rod and a filtering device thereof, wherein the high-adsorption activated carbon rod comprises an inner core rod and an outer core rod, the inner core rod and the outer core rod are integrally tubular and coaxially arranged, and a plurality of water through holes are formed in the surfaces of the inner core rod and the outer core rod. In the high adsorption active carbon-carbon rod of this scheme, do not add the adhesive, can not block up the adsorption hole of active carbon, can not cause the influence to the adsorption performance of active carbon, space between the active carbon can not blockked up by the adhesive simultaneously, the water resistance of carbon-carbon rod has been reduced, the water yield has been promoted, and simultaneously, the filter core is directly poured into to active carbon powder and other filter materials, put into the closing cap behind the press compression, directly accomplish the whole preparation of filter core, need not to mix the adhesive, it is stereotyped to go into the mould, processes such as heating sintering and drawing of patterns, simple process, high work efficiency.
Description
Technical Field
The invention relates to the field of filtration, in particular to a preparation method of a high-adsorption activated carbon rod, the high-adsorption activated carbon rod and a filtration device thereof.
Background
The existing preparation of the filtering carbon rod needs to add a bonding agent into carbon powder, mix the carbon powder according to a certain proportion, then compress the carbon powder in a mould, and then sinter the carbon powder at a high temperature to form the filtering carbon rod, wherein the proportion of active carbon in the product is between 70% and 90%, and the preparation process involves mould canning and high-temperature sintering, the processing period is long, meanwhile, the bonding agent mixed in the carbon rod can block the adsorption holes of a part of active carbon, the intrinsic adsorption performance of the active carbon is reduced, meanwhile, the bonding agent blocks the gaps among a part of active carbon, the overall water passing amount of the carbon rod is reduced, and the filtering requirement on the water outlet amount under the condition of large flow is difficult to adapt. In addition, the traditional carbon rod preparation process needs multiple procedures of mixing, stirring, molding, compression, high-temperature sintering and the like, is complex and tedious, and needs multiple processing devices to finish the process together.
Disclosure of Invention
Therefore, to solve the above problems, the present invention provides.
The invention is realized by the following technical scheme:
the preparation method of the high adsorption activated carbon rod is characterized by comprising the following steps: the method comprises the following steps:
s1: the outer wall of the inner core rod, the inner wall and the outer wall of the outer core rod are respectively coated with a layer of filter cloth and/or a filter bag is placed in a space between the inner core rod and the outer core rod, and the aperture of the filter cloth and the aperture of the filter bag are smaller than the particle size of the filter material;
s2: connecting the inner core rod and the outer core rod processed in the step S1 with a bottom end cover;
s3: pouring a filter material at least comprising activated carbon into a space between the inner core rod and the outer core rod or into the filter bag;
s4: putting the filter element filled with the filter material into a press, and compacting the filter material by the press;
s5: and (4) tightly covering the top end cover and keeping the top of the filter material compacted in the step S4 in a compacted state.
Preferably, the preparation method of the high adsorption activated carbon rod comprises the following steps:
s1: the outer wall of the inner core rod and the inner wall of the outer core rod are coated with a layer of filter cloth and/or a filter bag is placed in a containing space formed between the inner core rod and the outer core rod as well as between the inner core rod and the end cover, and the aperture of the filter cloth and the aperture of the filter bag are smaller than the particle size of the filter material;
s2: welding the inner core rod and the outer core rod processed in the step S1 with the bottom end cover;
s21: a separation filter cloth which divides the space into at least two chambers is also arranged in the space between the inner core rod and the outer core rod, and the separation filter cloth is positioned by a positioning ring which is arranged at the top of the separation filter cloth and can apply downward pressure to the separation filter cloth;
s3: preparing two filter materials with different particle sizes, and pouring the two types of active carbon into the two cavities respectively;
s31: taking out the positioning ring at the top of the separation filter cloth;
s4: putting the filter element filled with the filter material into a press, and compacting the filter material by the press;
s5: and (5) tightly covering the top end cover and abutting the top of the filter material compacted in the step S4.
Preferably, the step S5 further includes the steps of:
s51: sealing the threads arranged on the top end cover and the first sealing ring;
s52: placing a second sealing ring on the top of the filter material compacted in the step S4, and compacting the second sealing ring by a core rod connecting sheet in the upper end surface;
s53: the top end cap and the outer core rod are thread sealed.
Preferably, the step S5 further includes the steps of:
s51, dispensing glue on the top of the compacted filter material to make the glue amount flush with the inner core rod and the outer core rod;
s52: and connecting the top end cover with the outer core rod through threads to finish sealing.
Preferably, the filter material comprises activated carbon and a second filter material, and the particle size of the second filter material is larger than that of the activated carbon.
Preferably, in step S2, the filter cloth and/or the filter bag has a filtering precision of 5 μm to 50 μm.
Preferably, in step S5, the top cap and the outer core rod are screwed and/or welded and/or glued.
The high-adsorption activated carbon rod is prepared by the preparation method of the high-adsorption activated carbon rod.
Preferably, the inner core rod and the outer core rod are integrally tubular and coaxially arranged, and a plurality of water through holes are formed in the surfaces of the inner core rod and the outer core rod.
The filtering device comprises the high-adsorption activated carbon rod.
The technical scheme of the invention has the following beneficial effects:
1. according to the preparation method of the high-adsorption activated carbon rod, activated carbon powder and other filter materials are directly poured into the filter element, the filter element is placed into a press to be compressed and then is sealed, the integral preparation of the filter element is directly completed, the procedures of mixing an adhesive, molding in a mold, heating and sintering, demolding and the like are not needed, the process is simple, and the working efficiency is high;
2. in the high-adsorption activated carbon rod, no adhesive is added, so that adsorption holes of the activated carbon cannot be blocked, the adsorption performance of the activated carbon cannot be influenced, gaps among the activated carbon cannot be blocked by the adhesive, the water resistance of the carbon rod is reduced, and the water yield is increased;
3. in the high-adsorption activated carbon rod, the filter cloth wrapped between the inner core rod and the outer core rod and/or the filter bag placed in the accommodating space can filter melanin in carbon powder, so that water flow passing through the filter material is prevented from being blackened;
4. the high-adsorption activated carbon rod is formed by pressing two activated carbon powders with different particle sizes, so that impurities in water flow can be effectively prevented from being blocked on the outer layer of the carbon rod, the water yield and the utilization rate of the carbon rod are improved, and the service life of the carbon rod is prolonged;
5. in the filter material of the high-adsorption activated carbon rod, the particle size of the second filter material is larger than that of the activated carbon, so that gaps among the filter materials can be increased, water resistance is reduced, water yield is increased, and meanwhile, the filter performance of the filter element can be improved by adding different types of filter materials;
6. in the filter material of the high adsorption activated carbon rod of this scheme, top end cover lid is tight and through sealing washer and inner core rod connection piece or glue with through the filter material top butt after the compaction and sealed, keeps and the filter material butt in the use of carbon rod, makes the filter material keep compressing tightly the state, ensures the holistic seal of carbon rod simultaneously.
Drawings
FIG. 1: is a partial sectional view of the high adsorption activated carbon rod of the present invention.
Detailed Description
In order that the objects, advantages and features of the invention will be more clearly and specifically shown and described, there shall now be shown and explained by way of the following non-limiting illustration of preferred embodiments. The embodiment is only a typical example of the technical solution of the present invention, and any technical solution formed by adopting equivalent replacement or equivalent transformation falls within the scope of the present invention.
It is also stated that in the description of the schemes, it is to be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements 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" in this document are used for descriptive purposes only and are not to be construed as indicating or implying a ranking of importance or an implicit indication of the number of technical features shown. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the present invention, "a plurality" means two or more unless specifically defined otherwise. The invention discloses a preparation method of a high-adsorption activated carbon rod, the high-adsorption activated carbon rod and a filtering device thereof, and the preparation method comprises the following steps:
s1: a layer of filter cloth 3 is coated on the outer wall of the inner core rod 1 and the inner wall of the outer core rod 2 and/or a filter bag is placed in a space between the inner core rod 1 and the outer core rod 2, and the aperture of the filter cloth 3 and the filter bag is smaller than the particle size of a filter material 8;
s2: connecting the inner core rod 1 and the outer core rod 2 processed in the step S1 with a bottom end cover 4;
s3: the active carbon is poured into the space between the inner core rod 2 and the outer core rod 2 or the filter bag;
s4: putting the filter element filled with the filter material 8 into a press, and compacting the filter material 8 by the press;
s5: the top end cap 5 is tightly covered and abutted with the top of the filter material 8 compacted in the step S4.
Specifically, the connection mode of the bottom end cover 4 and the outer core rod 2 can be a thread, ultrasonic or hot melt adhesive connection, the bottom end cover 4 and the inner core rod 1 can be connected in a thread, ultrasonic, hot melt adhesive, positioning groove or bayonet positioning mode, and the like, and the filter cloth 3 is connected with the outer wall of the inner core rod 1 and the inner wall and the outer wall of the outer core rod 2 in an ultrasonic welding mode.
Specifically, the inner core rod 1 and the outer core rod 2 are arranged coaxially and hollow, a closed accommodating space is formed between the inner core rod 1 and the outer core rod 2 as well as between the end covers, a plurality of water through holes for water to pass through are formed in the surfaces of the inner core rod 1 and the outer core rod 2, in order to prevent the leakage of the filter material 8 in the accommodating space, a layer of filter cloth 3 is wrapped on the outer wall of the inner core rod 1 and the inner wall of the outer core rod 2 respectively, and/or the filter bag is placed in the accommodating space, and the filter material 8 is poured into the accommodating space wrapped with the filter cloth 3 and/or placed in the filter bag, in step S2, in order to achieve the function of preventing the leakage of the filter material 8, the aperture of the filter cloth 3 and the filter bag is at least smaller than the minimum particle size of the filter material 8, and further, the filter precision of the filter cloth 3 and/or the filter bag is 5 μm-50 μm.
Specifically, the press adopts a pneumatic cylinder or a hydraulic cylinder, the pressure is controlled to be not flowed after being compacted by carbon powder and the inner and outer core rods 1 are ensured not to be pressed and deformed, the pressure is adjustable at will, specifically, the pressure applied to the filter material 8 by the press is 3 kgf-10 kgf, so that the filter material 8 in the containing space is compacted, meanwhile, after the filter material 8 is compacted by the press, the top end cover 5 arranged at the top ends of the inner core rod 1 and the outer core rod 2 is tightly covered, the top end cover 5 is abutted to the top of the filter material 8 compacted in the step S4 in the tightly covered state, so that the top end cover 5 always applies certain pressure to the top of the filter material 8 after being tightly covered, and the filter material 8 is ensured not to be scattered in the using process.
Specifically, in the step S5, the top end cap 5 and the outer core rod 2 are screwed and/or welded and/or glued, and further, the connection manner of the top end cap 5 and the outer core rod 2 can be divided into the following two schemes:
scheme 1:
the step S5 further includes the steps of:
s51: sealing the threads provided on the top end cap 5 with the first seal ring 51;
s52: placing the second sealing ring 7 on the upper end face of the carbon rod, namely the top of the filter material 8 compacted in the step S4, and compacting the second sealing ring 7 on the core rod connecting sheet 6 in the upper end face;
s53: and (4) performing thread sealing on the top end cover 5 and the outer core rod 2 to finish sealing.
Specifically, when the screw thread is screwed up, the inner surface of the top end cover 5 is in contact with the inner core rod connecting piece 6, meanwhile, the inner core rod connecting piece 6 compresses the second sealing ring 7, and meanwhile, pressure is applied to the top of the filter material 8, so that the filter material 8 is always kept in a compacted state.
Scheme 2:
the step S5 further includes the steps of:
s51, dispensing glue on the top of the compacted filter material 8 to make the glue amount flush with the inner and outer core rods 1;
s52: and (4) connecting the top end cover 5 with the outer core rod 2 in a threaded manner to complete sealing.
Specifically, after the screw is screwed, the inner surface of the top end cover 5 is in contact with glue, the glue is filled from the top of the filter material 8 to be flush with the inner core rod 2 and the outer core rod 2, so that no redundant movable space exists in the accommodating space, the glue can realize a sealing function, the filter material 8 cannot be scattered or leaked, and meanwhile, the inner surface of the top end cover 5 is fixed with the inner core rod 2 and the outer core rod 2 through the glue.
Further, the preparation method of the high adsorption activated carbon rod comprises the following steps:
s1: a layer of filter cloth 3 is coated on the outer wall of the inner core rod 1 and the inner wall of the outer core rod 2 and/or a filter bag is placed in a space between the inner core rod 1 and the outer core rod 2, and the aperture of the filter cloth 3 and the filter bag is smaller than the particle size of a filter material 8;
s2: welding the inner core rod 1 and the outer core rod 2 processed in the step S1 with the bottom end cover 4;
s21: a separation filter cloth which divides the space into at least two chambers is also arranged in the space between the inner core rod 1 and the outer core rod 2, and the separation filter cloth is positioned by a positioning ring which is arranged at the top of the separation filter cloth and can apply downward pressure to the separation filter cloth;
s3: preparing two filter materials 8 with different particle sizes, and pouring the two filter materials 8 into the two cavities respectively;
s31: taking out the positioning ring at the top of the separation filter cloth;
s4: putting the filter element filled with the filter material 8 into a press, and compacting the filter material 8 by the press;
s5: the top end cap 5 is tightly covered and abutted with the top of the filter material 8 compacted in the step S4.
Specifically, the inner core bar 1 is detachably sleeved with a positioning ring for fixing the top of the separation filter cloth, the positioning ring comprises a center ring and positioning clamping blocks arranged on the periphery of the center ring, at least two positioning clamping blocks are arranged, a feed inlet for passing filter materials 8 is formed between the positioning clamping blocks, the bottom of the outer edge of each positioning clamping block is provided with a limiting block for fixing the separation filter cloth, the inner diameter of the center ring is consistent with the radius of the inner core bar 1, the length of each clamping block is equal to the distance from the inner core bar 1 to the separation filter cloth, specifically, the inner side of each limiting block just contacts with the top of the outer wall of the separation filter cloth, the center ring is movably sleeved on the periphery of the inner core bar 1, and when the separation filter cloth needs to be positioned, the top end of the separation filter cloth is fixed with the limiting block on the positioning ring, and then putting the separation filter cloth into a die, and finally enabling the center ring on the positioning ring to penetrate through the inner core rod 1, wherein the separation filter cloth cannot move randomly in the feeding process under the influence of the gravity of the positioning ring.
Specifically, in this embodiment, separate the filter cloth and make by the material that has certain hardness, specifically, separate the filter cloth and can be in PP filter cloth, PET filter cloth and the nylon filter cloth one or more, the filter fineness of separating the filter cloth should be between the filter fineness of adjacent two-layer filtration carbon layer, separate the highly unanimous and through the position circle location of inner core rod 1 and outer core rod 2 of filter cloth, separate the filter cloth will accommodation space separates into two cavities of first cavity and second cavity, after separating the filter cloth location, pours two kinds of different filter fineness's filter material 8 into first cavity and second cavity respectively, after pouring into all filter material 8, covers top end cap 5, then will be equipped with filter material 8 and the mould of separating the filter cloth and put into press die-casting shaping.
Further, in this embodiment, before the separation filter cloth is placed in the mold, the separation filter cloth needs to be cut and bonded, the height and the circumference of the separation filter cloth are determined according to the height of the inner core rod 1 and the outer core rod 2 and the diameter of each chamber, a bonding portion is reserved, the separation filter cloth is cut, and after the cutting is completed, glue is coated on the bonding portion on one side of the separation filter cloth and is bonded.
Further, according to the setting of the rivers direction of high adsorption activated carbon-point, can adjust the position of depositing of different precision filter materials 8, specifically, pour the lower filter material 8 of filter fineness into the cavity that is close to into water end, put into the higher filter material 8 of filter fineness and be close to the cavity of play water end, according to the adjustment of end and the play water end position of intaking, can correspondingly adjust the cavity that each filter fineness filter material 8 put into, if: when the water inlet end is the outer surface of the outer core rod 2 and the water outlet end is the inner wall of the inner core rod 1, the filter material 8 with low filter precision is placed in a cavity defined by the filter cloth and the inner wall of the outer core rod 2, the filter material 8 with high filter precision is placed in a cavity defined by the filter cloth and the outer wall of the inner core rod 1, and when the water inlet end and the water outlet end are opposite, the feeding direction is changed accordingly.
Further, the filter material 8 includes activated carbon and a second filter material, the particle size of the second filter material is larger than the particle size of the activated carbon, specifically, in the above scheme, the particle size of the activated carbon and the particle size of the second filter material in the chamber close to the water inlet end are integrally larger than the particle size of the activated carbon and the particle size of the second filter material in the chamber close to the water outlet end, and the type of the second filter material can be adjusted according to actual needs.
The high-adsorption activated carbon-carbon rod is prepared by the preparation method, wherein the inner core rod 1 and the outer core rod 2 are integrally tubular and coaxially arranged, a plurality of water through holes are formed in the surfaces of the inner core rod 1 and the outer core rod 2, the end covers arranged at the two ends of the inner core rod 1 and the outer core rod 2 are coaxial with the inner core rod 1 and the outer core rod 2, the middle of at least one end cover is provided with a through hole with the same aperture as that of the inner core rod 1, the top of the top end cover 5 is provided with a thread and a first sealing ring 51, and a second sealing ring 7 and an inner core rod connecting sheet 6 are further arranged between the top end cover 5 and a filter material 8 from bottom to top.
The invention has various embodiments, and all technical solutions formed by adopting equivalent transformation or equivalent transformation are within the protection scope of the invention.
Claims (10)
1. The preparation method of the high adsorption activated carbon rod is characterized by comprising the following steps: the method comprises the following steps:
s1: the outer wall of the inner core rod, the inner wall and the outer wall of the outer core rod are respectively coated with a layer of filter cloth and/or a filter bag is placed in a space between the inner core rod and the outer core rod, and the aperture of the filter cloth and the aperture of the filter bag are smaller than the particle size of the filter material;
s2: connecting the inner core rod and the outer core rod processed in the step S1 with a bottom end cover;
s3: pouring a filter material at least comprising activated carbon into a space between the inner core rod and the outer core rod or into the filter bag;
s4: putting the filter element filled with the filter material into a press, and compacting the filter material by the press;
s5: and (4) tightly covering the top end cover and keeping the top of the filter material compacted in the step S4 in a compacted state.
2. The method for preparing a high adsorption activated carbon-carbon rod according to claim 1, wherein: the method comprises the following steps:
s1: the outer wall of the inner core rod and the inner wall of the outer core rod are coated with a layer of filter cloth and/or a filter bag is placed in a containing space formed between the inner core rod and the outer core rod as well as between the inner core rod and the end cover, and the aperture of the filter cloth and the aperture of the filter bag are smaller than the particle size of the filter material;
s2: welding the inner core rod and the outer core rod processed in the step S1 with the bottom end cover;
s21: a separation filter cloth which divides the space into at least two chambers is also arranged in the space between the inner core rod and the outer core rod, and the separation filter cloth is positioned by a positioning ring which is arranged at the top of the separation filter cloth and can apply downward pressure to the separation filter cloth;
s3: preparing two filter materials with different particle sizes, and pouring the two types of active carbon into the two cavities respectively;
s31: taking out the positioning ring at the top of the separation filter cloth;
s4: putting the filter element filled with the filter material into a press, and compacting the filter material by the press;
s5: and (5) tightly covering the top end cover and abutting the top of the filter material compacted in the step S4.
3. The method for preparing a high adsorption activated carbon-carbon rod according to claim 1, wherein: the step S5 further includes the steps of:
s51: sealing the threads arranged on the top end cover and the first sealing ring;
s52: placing a second sealing ring on the top of the filter material compacted in the step S4, and compacting the second sealing ring by a core rod connecting sheet in the upper end surface;
s53: the top end cap and the outer core rod are thread sealed.
4. The method for preparing a high adsorption activated carbon-carbon rod according to claim 1, wherein: the step S5 further includes the steps of:
s51, dispensing glue on the top of the compacted filter material to make the glue amount flush with the inner core rod and the outer core rod;
s52: and connecting the top end cover with the outer core rod through threads to finish sealing.
5. The method for preparing a high adsorption activated carbon-carbon rod according to claim 1, wherein: the filter material comprises activated carbon and a second filter material, and the particle size of the second filter material is larger than that of the activated carbon.
6. The method for preparing a high adsorption activated carbon-carbon rod according to claim 1, wherein: in step S2, the filtering precision of the filter cloth and/or the filter bag is 5-50 μm.
7. The method for preparing a high adsorption activated carbon-carbon rod according to claim 1, wherein: in step S5, the top end cap and the outer core rod are screwed and/or welded and/or glued.
8. High adsorption active carbon-point, its characterized in that: the carbon rod is prepared by the preparation method of the high adsorption activated carbon rod of any one of claims 1 to 2.
9. The high adsorption activated carbon-carbon rod according to claim 8, wherein: the inner core rod and the outer core rod are integrally tubular and coaxially arranged, and a plurality of water through holes are formed in the surfaces of the inner core rod and the outer core rod.
10. Filter equipment, its characterized in that: comprising the high adsorption activated carbon rod of claims 8-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111013950.4A CN113731021B (en) | 2021-08-31 | 2021-08-31 | Preparation method of high-adsorption activated carbon rod, high-adsorption activated carbon rod and filtering device thereof |
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| CN202111013950.4A CN113731021B (en) | 2021-08-31 | 2021-08-31 | Preparation method of high-adsorption activated carbon rod, high-adsorption activated carbon rod and filtering device thereof |
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| CN113731021B CN113731021B (en) | 2022-09-06 |
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| CN113731021B (en) | 2022-09-06 |
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