CN111672206A - Antibacterial water purifier carbon rod filter element and manufacturing method thereof - Google Patents
Antibacterial water purifier carbon rod filter element and manufacturing method thereof Download PDFInfo
- Publication number
- CN111672206A CN111672206A CN202010687043.7A CN202010687043A CN111672206A CN 111672206 A CN111672206 A CN 111672206A CN 202010687043 A CN202010687043 A CN 202010687043A CN 111672206 A CN111672206 A CN 111672206A
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- Prior art keywords
- antibacterial
- filter element
- carbon
- water purifier
- rod filter
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B01D39/2058—Carbonaceous material the material being particulate
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0442—Antimicrobial, antibacterial, antifungal additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
Abstract
The invention discloses an antibacterial water purifier carbon rod filter element, and belongs to the technical field of water purifiers. Comprises 82-92% of active carbon, 5-10% of antibacterial agent, 1-3% of dispersant and 2-5% of lubricant. The invention also provides a manufacturing method of the antibacterial water purifier carbon rod filter element, which comprises the following steps: step one, putting the antibacterial agent, the dispersing agent and the lubricating agent into a mixer according to the raw material ratio for fully mixing; step two, adding activated carbon in the mixture obtained in the step one according to the raw material ratio, fully mixing, and putting the obtained mixture into a single-screw extruder for extrusion to obtain the antibacterial carbon powder; and step three, adding a polyethylene high molecular binder to the antibacterial carbon powder obtained in the step two as a base material. According to the invention, the zinc oxide antibacterial agent is added into the activated carbon, so that the problems that the carbon rod filter element of the existing water purifier is difficult to efficiently inhibit bacteria for a long time, the cost is high and the filter element replacement period is short due to frequent filter element replacement are solved.
Description
Technical Field
The invention belongs to the technical field of water purifiers, and particularly relates to an antibacterial water purifier carbon rod filter element and a manufacturing method thereof.
Background
The water purifier is also called water purifier and water quality purifier, and is water treatment equipment for deeply filtering and purifying water according to the use requirement of water. The water purifier is generally used as a household small purifier. The water purifier is an essential household appliance for daily families, is generally connected behind the water outlet end of tap water, and provides filtration guarantee for domestic drinking water of human beings, kitchen electric water and the like.
For a water purifier, the water purifier generally adopts a filter element combination mode to realize water filtering and purifying in the industry, the mode is that a front filter element, an RO (reverse osmosis) membrane and a rear filter element are commonly used, the rear filter element generally selects an activated carbon material, the activated carbon filter element mainly plays a role in absorbing peculiar smell in water and improving taste, particularly improving water quality and taste, and a water purifier manufacturer can use activated carbon as the rear filter element of the filter element. The active carbon filter element is used as the last pass of the purification of the water purifier, which undoubtedly provides a breeding hotbed for bacteria and causes the microbial pollution of the effluent quality. At present, the microbial pollution of the water purifier is mainly controlled by a sterilization mode, and the sterilization of the water purifier is mainly carried out by two modes, namely silver ion sterilization and ultraviolet sterilization, but the above modes can not meet the market requirements of high-efficiency bacteriostasis, water quality improvement and low cost at the same time; if the silver ion reaches a certain concentration, the bacteriostatic action is realized, and meanwhile, the silver ion is a heavy metal ion, and if the concentration of the silver ion is unstable, the health of people can be threatened; in addition, the ultraviolet lamp needs time from charging to sterilization, and the whole sterilization effect cannot be ensured; at the same time, the ultraviolet lamp will age at the end of its use, i.e. the intensity of the light gradually diminishes, so that the disinfection will also diminish. Based on the situation, the antibacterial filter element for the water purifier is developed, and has great use value and water purification effect.
Disclosure of Invention
The invention aims to provide an antibacterial water purifier carbon rod filter element and a manufacturing method thereof, and solves the problems that the existing water purifier carbon rod filter element is difficult to efficiently inhibit bacteria for a long time, the water quality and the taste are poor, the filter element needs to be frequently replaced, the cost is high, and the core replacement period is short by adding a zinc oxide antibacterial agent into active carbon.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an antibacterial water purifier carbon rod filter element, which comprises the following components in percentage by mass: 82-92% of active carbon, 5-10% of antibacterial agent, 1-3% of dispersing agent and 2-5% of lubricating agent.
Further, the activated carbon is shell carbon or coal-based activated carbon; the mesh number of the activated carbon is 60-200 meshes.
Further, the antibacterial agent is one of nano zinc oxide powder or zinc oxide whisker.
Further, the dispersant is polyvinyl alcohol, and the average molecular weight of the polyvinyl alcohol is 2000-6000.
Further, the lubricant is one or a mixture of stearic acid, polyethylene wax or liquid paraffin.
A manufacturing method of an antibacterial water purifier carbon rod filter element comprises the following steps:
step one, putting the antibacterial agent, the dispersing agent and the lubricating agent into a mixer according to the raw material ratio for fully mixing;
step two, adding activated carbon in the mixture obtained in the step one according to the raw material ratio, fully mixing, and putting the obtained mixture into a single-screw extruder for extrusion to obtain the antibacterial carbon powder;
and step three, taking the antibacterial carbon powder obtained in the step two as a base material, adding a polyethylene high-molecular binder, and preparing the antibacterial carbon rod filter element by adopting a hot-press molding process.
Further, the mass ratio of the antibacterial carbon powder to the polyethylene high molecular binder in the third step is 5: 1.
Further, the hot-pressing temperature of the hot-pressing forming process in the third step is 155 ℃, and the pressure is 15 MPa.
Further, the heat treatment time of the hot press molding process in the third step is 30 min.
The invention has the following beneficial effects:
according to the invention, the antibacterial activated carbon is prepared by adding the zinc oxide antibacterial agent in a certain proportion into the activated carbon, is healthy and environment-friendly, and is difficult to migrate out, so that the carbon rod filter element disclosed by the invention can achieve a long-term antibacterial effect, the frequent replacement of the filter element is avoided, the taste of water is prevented from being deteriorated, and the period of filter element replacement can be prolonged; in addition, the proper formula proportion is adjusted to ensure that the production process conditions of the existing activated carbon rod filter element can be met.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The invention relates to an antibacterial water purifier carbon rod filter element, which comprises the following components in parts by weight: 85g of activated carbon with a carbon mesh number of 100, 10g of zinc oxide whiskers, 2g of polyethanol with an average molecular weight of 6000 and 3g of stearic acid.
A manufacturing method of an antibacterial water purifier carbon rod filter element comprises the following steps:
step one, putting the antibacterial agent, the dispersing agent and the lubricating agent into a mixer according to the raw material ratio for fully mixing;
step two, adding activated carbon in the mixture obtained in the step one according to the raw material ratio, fully mixing, and putting the obtained mixture into a single-screw extruder for extrusion to obtain the antibacterial carbon powder;
and step three, taking the antibacterial carbon powder obtained in the step two as a base material, adding a polyethylene high-molecular binder, and preparing the antibacterial carbon rod filter element by adopting a hot-press molding process.
Wherein the mass ratio of the antibacterial carbon powder to the polyethylene high molecular binder in the third step is 5: 1.
Wherein the hot pressing temperature of the hot pressing molding process in the third step is 160 ℃, and the pressure is 15 MPa.
Wherein, the heat treatment time of the hot press molding process in the third step is 30 min.
Example two
The invention relates to an antibacterial water purifier carbon rod filter element, which comprises the following components in parts by weight: 90g of 150 carbon mesh active carbon, 6g of zinc oxide whisker, 2g of polyethylene alcohol with the average molecular weight of 6000 and 2g of stearic acid.
A manufacturing method of an antibacterial water purifier carbon rod filter element comprises the following steps:
step one, putting the antibacterial agent, the dispersing agent and the lubricating agent into a mixer according to the raw material ratio for fully mixing;
step two, adding activated carbon in the mixture obtained in the step one according to the raw material ratio, fully mixing, and putting the obtained mixture into a single-screw extruder for extrusion to obtain the antibacterial carbon powder;
and step three, taking the antibacterial carbon powder obtained in the step two as a base material, adding a polyethylene high-molecular binder, and preparing the antibacterial carbon rod filter element by adopting a hot-press molding process.
Wherein the mass ratio of the antibacterial carbon powder to the polyethylene high molecular binder in the third step is 5: 1.
Wherein the hot pressing temperature of the hot pressing molding process in the third step is 160 ℃, and the pressure is 15 MPa.
Wherein, the heat treatment time of the hot press molding process in the third step is 30 min.
EXAMPLE III
The invention relates to an antibacterial water purifier carbon rod filter element, which comprises the following components in parts by weight: 92g of activated carbon with a carbon mesh number of 200, 5g of zinc oxide whiskers, 1g of polyethanol with an average molecular weight of 6000 and 2g of stearic acid.
A manufacturing method of an antibacterial water purifier carbon rod filter element comprises the following steps:
step one, putting the antibacterial agent, the dispersing agent and the lubricating agent into a mixer according to the raw material ratio for fully mixing;
step two, adding activated carbon in the mixture obtained in the step one according to the raw material ratio, fully mixing, and putting the obtained mixture into a single-screw extruder for extrusion to obtain the antibacterial carbon powder;
and step three, taking the antibacterial carbon powder obtained in the step two as a base material, adding a polyethylene high-molecular binder, and preparing the antibacterial carbon rod filter element by adopting a hot-press molding process.
Wherein the mass ratio of the antibacterial carbon powder to the polyethylene high molecular binder in the third step is 5: 1.
Wherein the hot pressing temperature of the hot pressing molding process in the third step is 160 ℃, and the pressure is 15 MPa.
Wherein, the heat treatment time of the hot press molding process in the third step is 30 min.
Comparative example
The comparative case is not added with an antibacterial agent, and the carbon powder is not required to be extruded by a single-screw extruder; selecting raw materials as follows: the mass ratio of the polyethylene raw materials is 5:1, and the specific raw material quality is selected according to the yield requirement; firstly, selecting carbon powder with the carbon mesh number of 200 as a base material, selecting food-grade ultrahigh molecular weight polyethylene as a high molecular binder, and preparing the carbon rod filter element by adopting a hot press molding process, wherein the temperature of the hot press process is 160 ℃, the pressure is 15MPa, and the heat treatment time is 30 min.
The evaluation method comprises the following steps: the antibacterial performance of the carbon rod filter elements obtained in examples 1 to 3 and comparative example was evaluated.
Evaluation index and test method: testing environmental protection performance: the antibacterial and mildewproof test experiment refers to the GBT 21510-2008 test standard.
The test results are shown in the following table:
the results of the examples 1-3 show that the antibacterial carbon rod filter element of the formula has good antibacterial and mildewproof properties, and the antibacterial rate is over 99 percent.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The utility model provides an antibiotic purifier carbon rod filter core which characterized in that: the components by mass percentage are as follows:
82-92% of active carbon, 5-10% of antibacterial agent, 1-3% of dispersing agent and 2-5% of lubricating agent.
2. The carbon rod filter element of the antibacterial water purifier as recited in claim 1, wherein the activated carbon is shell carbon or coal-based activated carbon; the mesh number of the activated carbon is 60-200 meshes.
3. The carbon rod filter element of the antibacterial water purifier as recited in claim 1 or 2, wherein the antibacterial agent is one of nano zinc oxide powder or zinc oxide whisker.
4. The carbon rod filter element for the antibacterial water purifier as recited in claim 3, wherein the dispersant is polyethylene, and the average molecular weight of the polyethylene is 2000-6000.
5. The carbon rod filter element of the antibacterial water purifier as claimed in claim 1 or 4, wherein the lubricant is one or a mixture of stearic acid, polyethylene wax or liquid paraffin.
6. A manufacturing method of an antibacterial water purifier carbon rod filter element is characterized by comprising the following steps:
step one, putting the antibacterial agent, the dispersing agent and the lubricating agent into a mixer according to the raw material ratio for fully mixing;
step two, adding activated carbon in the mixture obtained in the step one according to the raw material ratio, fully mixing, and putting the obtained mixture into a single-screw extruder for extrusion to obtain the antibacterial carbon powder;
and step three, taking the antibacterial carbon powder obtained in the step two as a base material, adding a polyethylene high-molecular binder, and preparing the antibacterial carbon rod filter element by adopting a hot-press molding process.
7. The manufacturing method of the antibacterial water purifier carbon rod filter element according to claim 6, wherein the mass ratio of the antibacterial carbon powder to the polyethylene high polymer binder in the third step is 5: 1.
8. The method for manufacturing the antibacterial water purifier carbon rod filter element according to claim 6 or 7, wherein the hot-pressing temperature of the hot-pressing forming process in the third step is 155 ℃, and the pressure is 15 MPa.
9. The method for manufacturing the antibacterial water purifier carbon rod filter element according to claim 8, wherein the heat treatment time of the hot press molding process in the third step is 30 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010687043.7A CN111672206A (en) | 2020-07-16 | 2020-07-16 | Antibacterial water purifier carbon rod filter element and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010687043.7A CN111672206A (en) | 2020-07-16 | 2020-07-16 | Antibacterial water purifier carbon rod filter element and manufacturing method thereof |
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| CN111672206A true CN111672206A (en) | 2020-09-18 |
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| CN202010687043.7A Pending CN111672206A (en) | 2020-07-16 | 2020-07-16 | Antibacterial water purifier carbon rod filter element and manufacturing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112409691A (en) * | 2020-11-19 | 2021-02-26 | 长虹美菱股份有限公司 | Antibacterial melt-blown material, antibacterial melt-blown filter element and preparation method thereof |
| CN112843879A (en) * | 2020-12-31 | 2021-05-28 | 长虹美菱股份有限公司 | Long-acting antibacterial carbon rod filter element and manufacturing method thereof |
| CN113198222A (en) * | 2021-05-08 | 2021-08-03 | 北京碧水源膜科技有限公司 | Composite material, preparation method thereof and composite filter element |
| CN115646457A (en) * | 2022-10-21 | 2023-01-31 | 厦门百霖净水科技有限公司 | Heavy metal removing additive, heavy metal removing carbon rod and preparation method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112409691A (en) * | 2020-11-19 | 2021-02-26 | 长虹美菱股份有限公司 | Antibacterial melt-blown material, antibacterial melt-blown filter element and preparation method thereof |
| CN112843879A (en) * | 2020-12-31 | 2021-05-28 | 长虹美菱股份有限公司 | Long-acting antibacterial carbon rod filter element and manufacturing method thereof |
| CN113198222A (en) * | 2021-05-08 | 2021-08-03 | 北京碧水源膜科技有限公司 | Composite material, preparation method thereof and composite filter element |
| CN115646457A (en) * | 2022-10-21 | 2023-01-31 | 厦门百霖净水科技有限公司 | Heavy metal removing additive, heavy metal removing carbon rod and preparation method |
| CN115646457B (en) * | 2022-10-21 | 2024-03-15 | 厦门百霖净水科技有限公司 | Heavy metal removing additive, heavy metal removing carbon rod and preparation method |
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Application publication date: 20200918 |
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