CN106693697B - Multilayer tower type gas purifier and processing method of purifying tower plate - Google Patents
Multilayer tower type gas purifier and processing method of purifying tower plate Download PDFInfo
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- CN106693697B CN106693697B CN201710099322.XA CN201710099322A CN106693697B CN 106693697 B CN106693697 B CN 106693697B CN 201710099322 A CN201710099322 A CN 201710099322A CN 106693697 B CN106693697 B CN 106693697B
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- 238000003672 processing method Methods 0.000 title claims abstract description 13
- 239000011941 photocatalyst Substances 0.000 claims abstract description 63
- 239000000463 material Substances 0.000 claims abstract description 45
- 238000000746 purification Methods 0.000 claims abstract description 38
- 239000011248 coating agent Substances 0.000 claims abstract description 32
- 238000000576 coating method Methods 0.000 claims abstract description 32
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims description 96
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 58
- 239000007788 liquid Substances 0.000 claims description 21
- 239000000428 dust Substances 0.000 claims description 19
- 239000008188 pellet Substances 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 238000007745 plasma electrolytic oxidation reaction Methods 0.000 claims description 6
- 229910052755 nonmetal Inorganic materials 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 238000007598 dipping method Methods 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 238000007605 air drying Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 69
- 230000000694 effects Effects 0.000 description 12
- 239000003344 environmental pollutant Substances 0.000 description 7
- 231100000719 pollutant Toxicity 0.000 description 7
- 238000003915 air pollution Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000002440 industrial waste Substances 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model provides a multilayer tower type gas purifier, includes tower lid, transparent tower body, tower foundation, tower lid He Daji installs respectively in the upper end and the lower extreme of tower body, tower foundation lateral wall sets up the air inlet, and the tower body lateral wall sets up the gas outlet, and the tower body includes the multilayer tower festival that top-down connects gradually, all is connected with the purification column plate in every layer of tower festival, and the purification column plate surface coating has nanometer photocatalyst coating; the multi-layer tower type gas purifier has the advantages of simple structure, low cost and occupation area saving. A processing method of a purification column plate comprises the following steps: selecting a purifying column plate; cleaning and purifying the tower plates; coating nano light purification material on the surface of the purification column plate; drying the purifying column plate with the nano photocatalyst material by using hot air or naturally drying; repeating the steps of coating and air drying for two to three times, so as to finish the processing of the purifying column plate; the processing method is simple, and the nano light purification coating on the processed purification tower plate is stable.
Description
Technical Field
The invention relates to a purifying device, in particular to a tower-type gas purifier; the invention also relates to a processing method of the purifying column plate in the gas purifier.
Background
The industrially produced exhaust gas cannot be directly discharged into the air and needs to be purified first. In the prior art, the purification of the industrial waste gas usually adopts a mode of combining a plurality of devices to respectively purify the harmful gas and the plurality of pollutants contained in the industrial waste gas, and the mode needs to purchase a plurality of devices and has the defects of high cost and large occupied area.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the multi-layer tower type gas purifier which has simple structure, low cost and small occupied area; the invention aims to provide a processing method of the purifying column plate, which is simple, and the purifying column plate processed by the method is firmly combined with the nano photocatalyst coating.
The invention discloses a multilayer tower type gas purifier which comprises a tower cover, a transparent tower body and a tower foundation, wherein the tower cover He Daji is respectively arranged at the upper end and the lower end of the tower body, the side wall of the tower foundation is provided with a gas inlet, the side wall of the tower body is provided with a gas outlet, the tower body comprises a plurality of layers of tower sections which are sequentially connected from top to bottom, a purifying tower plate is connected in each layer of tower section, and the surface of the purifying tower plate is coated with a nano photocatalyst coating.
The invention discloses a multilayer tower type gas purifier, which further comprises a spray humidification dust removal device, wherein the spray humidification dust removal device comprises a spray pump and a plurality of spray pipes connected with the spray pump respectively, each spray pipe is provided with a water outlet valve, spray water is contained in a tower foundation, the spray pump is arranged in the tower foundation and pumps the spray water into the spray pipes, and the spray pipes are respectively arranged on the side walls of each tower section.
The multi-layer tower type gas purifier is characterized in that two adjacent layers of tower sections are inserted, and sealing elements are arranged at the joints of the two adjacent layers of tower sections.
The invention relates to a multilayer tower type gas purifier, wherein an active carbon layer is also arranged in a tower body, and the active carbon layer is fixedly connected to the inner wall of the tower body.
The invention relates to a multi-layer tower type gas purifier, wherein at least one ultraviolet lamp is arranged on the side wall of each layer of tower section, and the ultraviolet lamp irradiates a nano photocatalyst coating.
The invention relates to a multi-layer tower type gas purifier, wherein the purifying tower plate is a corrugated aluminum plate with the surface subjected to micro-arc oxidation treatment, a pore plate subjected to napping treatment or a composite silk screen plate subjected to napping treatment.
The invention relates to a multi-layer tower type gas purifier, wherein each layer of tower section is provided with a gas outlet, and a gas outlet valve is arranged in each gas outlet.
The invention relates to a multi-layer tower type gas purifier, wherein the gas inlet is provided with an elbow, and the end part of the elbow extends into spray water.
The invention relates to a multilayer tower type gas purifier, wherein liquid nanometer photocatalyst materials are arranged in spray water.
The invention relates to a multilayer tower type gas purifier, wherein the inner wall of a tower body is coated with a nano photocatalyst coating, and an irradiation intensity instrument is arranged in the tower body.
The invention relates to a multi-layer tower type gas purifier, wherein at least one purifying small ball is arranged between two adjacent purifying tower plates, the purifying small ball is soaked by liquid nanometer photocatalyst materials and dried, and the diameter of the purifying small ball is 1/20 to 1/5 of the distance between the two adjacent purifying tower plates.
The multilayer tower type gas purifier is different from the prior art in that the multilayer tower type gas purifier comprises a tower cover, a transparent tower body and a tower foundation, wherein the tower cover He Daji is respectively arranged at the upper end and the lower end of the tower body, the side wall of the tower foundation is provided with an air inlet, the side wall of the tower body is provided with an air outlet, the tower body comprises multilayer tower sections which are sequentially connected from top to bottom, a purifying tower plate is connected in each layer of tower section, the surface of the purifying tower plate is coated with a nano photocatalyst coating, the structure is simple, the tower body is transparent, the nano photocatalyst coating is activated under the irradiation of ultraviolet rays in sunlight, and can decompose and purify harmful gas and pollutants in waste gas at the same time, different equipment is not needed for purifying single pollutant or harmful gas, the cost is low, and the occupied area is saved.
The tower body in the multi-layer tower type gas purifier is formed by connecting the multi-layer tower sections, so that the number of layers of the tower sections can be selected according to specific working conditions, and the tower body is convenient to assemble, disassemble and replace; the adjacent tower sections are connected in an inserting mode and are provided with sealing elements, so that the sealing effect is good, leakage is prevented, and the assembly and disassembly are more convenient; the air outlet valves are arranged in each air outlet, so that the multi-layer tower type air purifier can be used for grading air outlet, the air outlet of each layer of tower section can be independently opened or closed, and air outlet can be realized in the top layer of tower section, thereby being convenient for control and air detection; at least one ultraviolet lamp is arranged on the side wall of each layer of tower section, and the nano photocatalyst coating is irradiated to further catalyze and oxidize purified gas; the purifying column plate adopts a honeycomb aluminum plate or a composite silk screen plate, so that the area of a nano photocatalyst coating coated on the surface of the purifying column plate can be increased, and the purifying effect is improved; the invention sets up and sprays the humidification dust collector in the multi-layer tower type gas purifier, the said humidification dust collector includes spray pump and a plurality of spray pipes connected with spray pump separately, all spray pipes are equipped with the water outlet valve, hold the shower water in the said tower foundation, the said spray pump is installed in said tower foundation and pumped into spray pipe, a plurality of spray pipes are installed on each tower section sidewall separately, the air inlet installs the elbow, the end of elbow stretches into the shower water liquid surface, make the gas enter the shower water first, increase the subsequent purifying effect of gas humidification, can also reduce the dust content in the gas, achieve the goal of dust removal and synergy; the liquid nanometer photocatalyst material is arranged in the spray water, when gas enters the spray water, a part of gas and pollutants are dissolved into the water and are purified and decomposed by the liquid nanometer photocatalyst material, and the liquid nanometer photocatalyst material can decompose organic pollutants eluted by the spray humidifying dust removing device on one hand, purify sewage, and can effectively improve the service time of the spray water and reduce the replacement frequency of the spray water on the other hand; the inner wall of the tower body is coated with a nano photocatalyst coating, so that the purifying effect can be further improved; the irradiation intensity instrument is arranged in the tower body, so that the irradiation intensity of ultraviolet rays in sunlight in the tower body can be conveniently mastered, and the ultraviolet lamp is started when the irradiation intensity of the ultraviolet rays in the sunlight is smaller than a certain value, namely, the irradiation intensity instrument is arranged so as to conveniently control the starting and the stopping of the ultraviolet lamp; at least one purifying small ball is arranged between two adjacent purifying tower plates, the purifying small ball is soaked in liquid nano photocatalyst material and dried, the diameter of the purifying small ball is 1/20 to 1/5 of the distance between the two adjacent purifying tower plates, and the purifying small ball can further purify air in the tower body, so that the air pollution degree in the tower body is reduced, and the purifying effect of the multi-layer tower type gas purifier is better.
The invention relates to a processing method of a purifying column plate, which processes the purifying column plate in the multi-layer tower type gas purifier and comprises the following steps: 1) Selecting a purifying column plate: selecting a purifying column plate made of metal or nonmetal; 2) Cleaning and purifying column plates: when the purifying column plate is a metal plate, the purifying column plate is subjected to micro-arc oxidation treatment, then is cleaned by weak alkaline water or clean water, and then is washed, dried or blown dry for later use; when the purifying tower plate is a nonmetal plate, the purifying tower plate is directly cleaned by weak alkaline water or clean water, then washed, and dried or blown dry for standby; 3) Coating nanometer light purification material on the surface of the purification column plate: placing the nano photocatalyst material into a spray gun, and uniformly spraying the nano photocatalyst material on the clean and dried purification tower plate, wherein the pressure of the spray gun is 3.1-3.4 MPa; or dipping nano photocatalyst material with a brush and coating the nano photocatalyst material on the surface of the purification column plate; 4) Drying the purifying column plate with the nano photocatalyst material by using hot air or naturally drying; 5) Repeating the steps 3) -4) for two to three times, thus finishing the processing of the purifying column plate.
The processing method of the purification column plate is simple and practical, and the purification column plate processed by the method has stable nano photocatalyst coating coated on the purification column plate and is firmly combined with the purification column plate.
The multi-layered tower type gas purifier according to the present invention will be further described with reference to the accompanying drawings.
Drawings
FIG. 1 is a front view of a multi-layered tower gas purifier of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a schematic view of the structure of the tower section in the left view of FIG. 1;
FIG. 4 is a top view of FIG. 3;
fig. 5 is a partial enlarged view at a in fig. 3.
Detailed Description
Referring to fig. 1 and 2, the multi-layer tower type gas purifier of the invention comprises a tower cover 1, a cylindrical transparent tower body 2, a tower base 3 and a spray humidifying and dust removing device 4, wherein the tower cover 1 and the tower base 3 are respectively arranged at the upper end and the lower end of the tower body 2, the tower cover 1 seals the upper end of the tower body 2, the tower body 2 comprises multi-layer tower sections 21 which are sequentially connected from top to bottom, a purifying tower plate 6 is connected in each layer of tower section 21, a nano photocatalyst coating is coated on the surface of the purifying tower plate 6, and the thickness of the nano photocatalyst coating is 5-50 micrometers. The side wall of the tower foundation 3 is provided with an air inlet 31, each layer of tower section 21 is provided with an air outlet 5, and an air outlet valve (not shown in the figure) is arranged in each air outlet 5.
Referring to fig. 1-4, the spray humidifying and dust removing device 4 comprises a spray pump 41 and a plurality of spray pipes 42 respectively connected with the spray pump 41, wherein each spray pipe 42 is provided with a water outlet valve 43, spray water 8 is contained in a tower foundation 3, the tower foundation 3 is equivalent to a water tank, liquid nano photocatalyst materials are added into the spray water 8, the spray pump 41 is arranged in the tower foundation 3 and used for pumping the spray water 8 into the spray pipes 42, and the spray pipes 42 are respectively arranged on the side wall of the tower section 21 and the spray section of the spray pipe 42 is positioned in the tower section 21. As shown in fig. 4, the spray segments of the spray pipe 42 are arranged in a circular ring shape and are provided with a plurality of spray heads 44, and the spray heads 44 are arranged at intervals in the spray segments of the spray pipe 42.
As shown in fig. 1-4, the spray humidifying and dust removing device comprises a spray pump 41, a spray pipe 42, a water outlet valve 43, a spray head 44 and a tower foundation 3, wherein the upper part in the tower foundation 3 forms a cleaning cycle with the spray pump 41, the spray pipe 42, the water outlet valve 43 and the spray head 44, the lower part in the tower foundation 3, namely, the submerged part is a pollution discharge part, and pollutants which are cleaned by spraying are submerged in water Jing Daji 3 and are discharged periodically.
As shown in fig. 1 and 2, the tower body 2 in the multi-layer tower type gas purifier of the invention comprises five layers of tower sections, an active carbon layer 10 is arranged in the top layer of tower section, the active carbon layer can be active carbon filler or active carbon plate for active carbon treatment, the purifying tower plates in the one layer of tower section and the two layer of tower section are corrugated aluminum plates, the purifying tower plates in the three layer of tower section and the four layer of tower section are composite wire mesh plates, and the purifying tower plates can also be porous plates. When the corrugated aluminum plate is selected, the surface of the corrugated aluminum plate is subjected to micro-arc oxidation treatment, and when the pore plate or the composite silk screen plate is selected, the pore plate or the composite silk screen plate is subjected to napping treatment, so that the combination of the nano photocatalyst material and the purifying tower plate is more convenient after the treatment.
As shown in FIG. 1, in the multi-layer tower type gas purifier of the present invention, an elbow 7 is installed on a gas inlet 31, and the end of the elbow 7 extends 5-10mm below the liquid surface of spray water 8. The end of the elbow 7 may be provided with a gas distribution plate 9 to ensure that gas entering from the elbow 7 first enters the shower water 8.
The adjacent two layers of tower sections 21 are connected in an inserting mode, and as shown in fig. 3 and 5, annular protrusions 22 are arranged at the upper end of each tower section 21, annular grooves 23 are arranged at the lower end of each tower section 21, when the adjacent two layers of tower sections 21 are connected, the annular protrusions 22 of the tower sections positioned at the lower layer are inserted into the annular grooves 23 of the tower sections positioned at the upper layer, and in order to prevent gas leakage at the joint of the adjacent two layers of tower sections 21, sealing elements 24 are arranged at the joint, and the sealing elements 24 can be rubber sealing gaskets or other sealing elements with sealing effects. Of course, screw connection or flange connection can be adopted between two adjacent tower sections.
Referring to fig. 1 to 4, at least one ultraviolet lamp 11 is installed on the side wall of each layer of tower section 21, and the ultraviolet lamp 11 irradiates the nano photocatalyst coating.
In order to improve the purification effect, the multilayer tower type gas purifier is characterized in that a nano photocatalyst coating is coated on the inner wall of a tower body 2.
In the present invention, in order to conveniently grasp the irradiation intensity of ultraviolet rays in sunlight in a tower body so as to control the on and off of the ultraviolet lamp 11, an irradiation intensity meter, not shown in the drawing, is installed in the tower body 2, and when the irradiation intensity of ultraviolet rays in sunlight is smaller than a certain value, the ultraviolet lamp is turned on, for example, an ultraviolet meter with 365 nm wavelength in UVA band in the present invention, when the irradiation intensity of ultraviolet rays in sunlight is smaller than 0.2 w/square meter, the ultraviolet lamp 11 is automatically turned on, and when the irradiation intensity of ultraviolet rays in sunlight is larger than or equal to 0.2 w/square meter, the ultraviolet lamp 11 is not turned on.
In the multi-layer tower type gas purifier, at least one purifying small ball is arranged between two adjacent purifying tower plates 6, for example, two purifying small balls are arranged, the purifying small balls are not shown in the figure, the purifying small balls are small balls made of fibers, nylon or plastics, and the diameter of the purifying small balls is 1/20 to 1/5 of the distance between the two adjacent purifying tower plates; the surface of the purified pellet is coated with nano photocatalyst material, for example, the pellet made of nylon is soaked in the liquid photocatalyst material for 30-60min, the liquid nano photocatalyst material is slowly stirred, the pellet is fished out, the water is drained, and the pellet is placed in a baking oven at 30-50 ℃ and baked for 30-60min, so that the purified pellet in the multi-layer tower type gas purifier is formed; the number of the purification pellets in the multi-layer tower type gas purifier can be determined according to the air pollution concentration in the tower body, and the number of the purification pellets between two adjacent purification tower plates is determined according to the pollution concentration in the tower body, so long as the volume occupied by the purification pellets between the two adjacent purification tower plates is not more than 1/4 of the volume between the two adjacent purification tower plates; the purifying pellets in the multi-layer tower type gas purifier are soaked by adopting liquid nano photocatalyst materials and dried, so that the purifying pellets have a purifying effect, and the purifying pellets can further purify air in the tower body, reduce the air pollution degree in the tower body and ensure that the purifying effect of the multi-layer tower type gas purifier is better.
When the spray humidification dust collector is used, waste gas is connected to the air inlet 31, waste gas enters the spray water 8 through the elbow 7, a part of gas and pollutants are dissolved in the spray water 8 and purified and decomposed by the liquid nano photocatalyst material in the spray water 8, then the gas enters the tower body 2 from the tower base 3, ultraviolet rays in sunlight and ultraviolet rays emitted by the ultraviolet lamp 11 irradiate the nano photocatalyst coating to purify the gas, meanwhile, the spray pump 41 of the spray humidification dust collector 4 can be turned on, the water outlet valve 43 is turned on according to requirements, the spray water is pumped into the spray pipe 43 by the spray pump to rinse the gas, the spray water returns to the tower base while being rinsed, and the purified gas is discharged through the air outlet 5. Each layer of tower section 21 is provided with an air outlet 5, each air outlet 5 is internally provided with an air outlet valve, and air outlet can be independently opened during use, so that the gas purification treatment degree and the internal condition of inspection can be conveniently detected, and only the air outlet valve of the top layer tower section is opened, and only the top layer tower section is air outlet.
The tower body in the multi-layer tower type gas purifier is formed by connecting the multi-layer tower sections, so that the number of layers of the tower sections can be selected according to specific working conditions, and the tower body is convenient to assemble, disassemble and replace; the adjacent tower sections are connected in an inserting mode and are provided with sealing elements, so that the sealing effect is good, leakage is prevented, and the assembly and disassembly are more convenient; the air outlet valves are arranged in each air outlet, so that the multi-layer tower type air purifier can be used for grading air outlet, the air outlet of each layer of tower section can be independently opened or closed, and air outlet can be realized in the top layer of tower section, thereby being convenient for control and air detection; at least one ultraviolet lamp is arranged on the side wall of each layer of tower section, and the nano photocatalyst coating is irradiated to further catalyze and oxidize purified gas; the purifying column plate adopts a honeycomb aluminum plate or a composite silk screen plate, so that the area of a nano photocatalyst coating coated on the surface of the purifying column plate can be increased, and the purifying effect is improved; the invention sets up and sprays the humidification dust collector in the multi-layer tower type gas purifier, the said humidification dust collector includes spray pump and a plurality of spray pipes connected with spray pump separately, all spray pipes are equipped with the water outlet valve, hold the shower water in the said tower foundation, the said spray pump is installed in said tower foundation and pumped into spray pipe, a plurality of spray pipes are installed on each tower section sidewall separately, the air inlet installs the elbow, the end of elbow stretches into the shower water liquid surface, make the gas enter the shower water first, increase the subsequent purifying effect of gas humidification, can also reduce the dust content in the gas, achieve the goal of dust removal and synergy; the spray water is provided with liquid nano photocatalyst materials, when gas enters the spray water, a part of gas and pollutants are dissolved into the water and are purified and decomposed by the liquid nano photocatalyst materials, the liquid nano photocatalyst materials can decompose organic pollutants eluted by the spray humidifying dust removing device on the one hand, purify sewage, and on the other hand, the service time of the spray water can be effectively prolonged, and the replacement frequency of the spray water is reduced.
The invention relates to a processing method of a purifying column plate in a multi-layer tower type gas purifier, which comprises the following steps: 1) Selecting a purifying column plate: the purifying column plate can be a honeycomb aluminum plate, a screen, stainless steel or an iron hole plate and other metal plates; nonmetallic plates such as an acrylic plate, an ABS plate, a PE plate and the like can also be adopted. 2) Cleaning and purifying the tower plate, keeping the surface clean and free of dirt, and facilitating the adhesion of nano photocatalyst materials: when the purifying column plate is a metal plate, after micro-arc oxidation treatment is carried out on the purifying column plate, weak alkaline water or clean water with the pH value of more than 7.4 and less than 9.5 is adopted for cleaning, and then the cleaning is carried out, and then the cleaning is dried or blown dry for standby; when the purifying tower plate is a nonmetal plate, the purifying tower plate is directly cleaned by weak alkaline water or clean water, then washed, and dried or blown dry for standby; 3) Coating nanometer light purification material on the surface of the purification column plate: placing the nano photocatalyst material into a spray gun, and uniformly spraying the nano photocatalyst material on the clean and dried purification tower plate, wherein the pressure of the spray gun is 3.1-3.4 MPa; or dipping nano photocatalyst material with a brush and coating the nano photocatalyst material on the surface of the purification column plate; 4) Drying the purifying column plate with the nano photocatalyst material by using hot air or naturally drying; 5) Repeating the steps 3) -4) for two to three times, thus finishing the processing of the purifying column plate. The storage temperature of the nano photocatalyst material is more than 5 ℃ and less than 160 ℃.
The processing method of the purification column plate is simple, and the nano photocatalyst coating coated on the processed purification column plate is stable and firmly combined with the purification column plate.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (2)
1. A processing method of a purifying column plate in a multi-layer tower type gas purifier is characterized in that: the multi-layer tower type gas purifier comprises a tower cover, a transparent tower body and a tower foundation, wherein the tower cover He Daji is respectively arranged at the upper end and the lower end of the tower body, the side wall of the tower foundation is provided with an air inlet, the side wall of the tower body is provided with an air outlet, the tower body comprises multi-layer tower sections which are sequentially connected from top to bottom, a purifying tower plate is connected in each layer of tower section, the surface of the purifying tower plate is coated with a nano photocatalyst coating, the multi-layer tower type gas purifier further comprises a spray humidifying dust removing device, the spray humidifying dust removing device comprises a spray pump and a plurality of spray pipes which are respectively connected with the spray pump, each spray pipe is provided with a water outlet valve, spray water is filled in the tower foundation, the spray pump is arranged in the tower foundation and pumps the spray water into the spray pipes, and the spray pipes are respectively arranged on the side walls of each tower section; the adjacent two layers of tower sections are spliced, and sealing elements are arranged at the joints of the adjacent two layers of tower sections; an active carbon layer is also arranged in the tower body and fixedly connected to the inner wall of the tower body; at least one ultraviolet lamp is arranged on the side wall of each layer of tower section, and the ultraviolet lamp irradiates the nano photocatalyst coating; the purification tower plate is a corrugated aluminum plate with the surface subjected to micro-arc oxidation treatment, a pore plate subjected to napping treatment or a composite silk screen plate subjected to napping treatment; each layer of tower section is provided with an air outlet, and an air outlet valve is arranged in each air outlet; the air inlet is provided with an elbow, and the end part of the elbow extends into spray water; the spray water is provided with liquid nano photocatalyst materials; the inner wall of the tower body is coated with a nano photocatalyst coating, an irradiation intensity meter is arranged in the tower body, and when the irradiation intensity of ultraviolet rays in sunlight is less than 0.2 w/square meter by using an ultraviolet meter with the wavelength of 365 nanometers in UVA wave band, an ultraviolet lamp is automatically turned on, and when the irradiation intensity of ultraviolet rays in sunlight is more than or equal to 0.2 w/square meter, the ultraviolet lamp is not turned on; at least one purifying small ball is arranged between the two adjacent purifying tower plates, the purifying small ball is made of nylon, and the diameter of the purifying small ball is 1/20 to 1/5 of the distance between the two adjacent purifying tower plates; the volume occupied by the purifying balls between two adjacent purifying tower plates is not more than 1/4 of the volume between the two adjacent purifying tower plates; the surface of the purified pellet is coated with nano photocatalyst material, the pellet made of nylon is soaked in the liquid photocatalyst material for 30-60min, the liquid nano photocatalyst material is slowly stirred, the pellet is fished out, the water is drained, and the pellet is placed in a baking oven at 30-50 ℃ for baking for 30-60min, and the purified pellet is soaked in the liquid nano photocatalyst material and baked; the processing method comprises the following steps: 1) Selecting a purifying column plate: the purifying column plate is a metal plate or a nonmetal plate; the metal plate is a honeycomb aluminum plate, a screen, stainless steel or an iron pore plate; the nonmetallic plate is an acrylic plate, an ABS plate or a PE plate; 2) Cleaning and purifying the tower plate, keeping the surface clean and free of dirt, and facilitating the adhesion of nano photocatalyst materials: when the purifying column plate is a metal plate, after micro-arc oxidation treatment is carried out on the purifying column plate, weak alkaline water or clean water with the pH value of more than 7.4 and less than 9.5 is adopted for cleaning, and then the cleaning is carried out, and then the cleaning is dried or blown dry for standby; when the purifying tower plate is a nonmetal plate, the purifying tower plate is directly cleaned by weak alkaline water or clean water, then washed, and dried or blown dry for standby; 3) Coating nanometer light purification material on the surface of the purification column plate: placing the nano photocatalyst material into a spray gun, and uniformly spraying the nano photocatalyst material on the clean and dried purification tower plate, wherein the pressure of the spray gun is 3.1-3.4 MPa; or dipping nano photocatalyst material with a brush and coating the nano photocatalyst material on the surface of the purification column plate; 4) Drying the purifying column plate with the nano photocatalyst material by using hot air or naturally drying; 5) Repeating the steps 3) -4) for two to three times, thus finishing the processing of the purifying column plate; the storage temperature of the nano photocatalyst material in the step is more than 5 ℃ and less than 160 ℃.
2. A multi-layer tower type gas purifier, characterized in that: the purification tower plate is processed by the processing method of the purification tower plate in the multi-layer tower type gas purifier as claimed in claim 1.
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| CN108356013A (en) * | 2018-02-08 | 2018-08-03 | 瓮福达州化工有限责任公司 | A kind of cleaning plant and method for cleaning of plate ring tower |
| CN112387053B (en) * | 2020-11-27 | 2024-01-02 | 天津绿之本生物科技有限公司 | Spray dedusting tower capable of efficiently dedusting |
| CN113914047B (en) * | 2021-10-25 | 2023-09-01 | 绍兴恒辉布业有限公司 | Napping machine and method for producing napping cloth by using same |
| CN117205722B (en) * | 2023-08-09 | 2024-08-30 | 胜利油田华海石化有限责任公司 | Reabsorption device for recovering liquefied gas |
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