CN108854398A - A kind of photolytic activity carbon purifying device - Google Patents
A kind of photolytic activity carbon purifying device Download PDFInfo
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- CN108854398A CN108854398A CN201810815101.2A CN201810815101A CN108854398A CN 108854398 A CN108854398 A CN 108854398A CN 201810815101 A CN201810815101 A CN 201810815101A CN 108854398 A CN108854398 A CN 108854398A
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- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
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- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- 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
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
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- 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
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2251/00—Reactants
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Abstract
The invention discloses a kind of photolytic activity carbon purifying devices, including main casing, spraying device, positive displacement pump, electric cabinet, the enclosure interior sets gradually prefiltration layer, electrostatic supplementary set layer and comprehensive purifying layer from front end to the back-end, the comprehensive purifying layer includes several clean units, each clean unit is successively arranged one group of ultraviolet lamp tube, active carbon filler layer to the back-end from front end, and active carbon filler layer is uniformly filled with cocoanut active charcoal；In each clean unit, atomizer is distributed in top, the lower section of ultraviolet lamp tube, and the atomizer connects spraying device, the spraying device external connection feeder sleeve, and feeder sleeve is passed through auxiliary scavenging solution；Sump pit, the sump pit connected drainage pump are provided with below the main casing；The main casing installs electric cabinet at rear portion.The device of the invention has merged photocatalysis, activated carbon adsorption, activation, and the kinds of processes such as advanced oxidation make the element of photolytic activity carbon purifying be not fully exerted.
Description
Technical field
The present invention relates to field of environment engineering more particularly to a kind of photolytic activity carbon purifying devices.
Background technique
It is to have pore after raw material is carbonized and is activated process to handle that active carbon, which refers to coal, coconut husk, charcoal etc.,
Carbon.Its pore with following scale：Such as sub-micron pore：0.8nm is hereinafter, micropore：0.8 to 2nm, mesoporous：2 to 50nm, greatly
Hole：50nm or more.Pore is present in inside carbon, and specific surface area is very big, various substances can be adsorbed, to polluted gas
Absorption assimilation effect it is especially pronounced.
Currently, with the rapid development of industry, atmosphere pollution grows in intensity.Along with the sprawling of high pollution atmosphere, pollution
The development and application of gas cleaning plant are also to meet the difficulty.Initial purification device is removed empty using the principle of high-pressure electrostatic absorption
Fume in gas, such as dust, coal smoke, pollen, cigarette taste and kitchen fume.Currently, the purification device energy of active carbon
It is enough that many organic pollutants are removed with adsorption effect, but effective degradation, exhaust gas adsorption plant not can be carried out for some pollutants
Numerous and jumbled, adsorbent is easily saturated, and needs to frequently replace or regeneration off gases processing cost is high.The methods of spray, light degradation, because of its needle
Pair process object it is different, using being also only limitted to specific aspect.
In view of the above problems, the present invention develops photolytic activity carbon purifying device associated with one kind of multiple technologies, purification is patrolled
It collects and surmounts general purification device on the market, be capable of handling complicated and intractable atmosphere pollution.Especially to some stenches
With the organic matter and the poisonous and hazardous organic pollutant containing numerous active function groups for being difficult to degrade, it can accomplish catalysis drop
Solution, the comprehensive removal of absorption.
Summary of the invention
Goal of the invention：It is that the evolution of atmospheric treatment increases power, this hair to inject new vitality to waste gas purification apparatus
It is bright to develop a kind of photolytic activity carbon purifying device, to solve problems of the prior art.
Summary of the invention：A kind of photolytic activity carbon purifying device, including main casing, spraying device, positive displacement pump, electric cabinet, institute
State main casing front end, rear end is respectively arranged with expanding and undergauge inlet conduits, outlet conduits, housing bottom setting supporting leg；Institute
It states enclosure interior and sets gradually prefiltration layer, electrostatic supplementary set layer and comprehensive purifying layer to the back-end from front end, electrostatic supplementary set layer has
Negative electrode, positive electrode, the comprehensive purifying layer include several identical clean units successively arranged, and each clean unit is from front end
It successively arranges one group of ultraviolet lamp tube, active carbon filler layer to the back-end, active carbon filler layer is uniformly filled with cocoanut active charcoal；Every
A clean unit, top, the lower section of ultraviolet lamp tube are distributed with atomizer, the atomizer portion and lower part on a main housing
Spraying device, the spraying device external connection feeder sleeve are not connected not outward, and feeder sleeve is passed through auxiliary scavenging solution；The main casing
Inside is provided with sump pit below comprehensive purifying layer, and the sump pit is with pipeline connected drainage pump；
Shell of the main casing at comprehensive purifying layer rear portion installs electric cabinet, and the electric cabinet connects power supply, and the electrostatic is mended
Collect the negative electrode of layer, positive electrode is electrically connected electric cabinet, the switch of the ultraviolet lamp tube and the spraying device, positive displacement pump electricity
Connect electric cabinet.
Preferably, the material of the prefiltration layer is wire mesh.Wire mesh filters large granular impurity and greasy viscous
Substance, have an impact it to process below as far as possible.
Preferably, the arrangement mode of the ultraviolet lamp tube is equidistant longitudinal arrangement.The arrangement mode of ultraviolet lamp tube makes
Exhaust gas even into and can have equal opportunity contact ultraviolet radiation, to be degraded.
Preferably, the transmitance that every layer of active carbon filler layer issues ultraviolet light to ultraviolet lamp tube is 5 ~ 17%.Activity
The uv transmittance of carbon filling material layer can guarantee that active carbon inner most region can be influenced by ultraviolet light, to play
Its excitation.
Preferably, ultraviolet lamp tube front end described in every group is also equipped with Catalytic Layer, the Catalytic Layer includes densely covered carrier
Grid is coated with photochemical catalyst on carrier grid.The carrier grid of Catalytic Layer and its catalyst being coated with, make it in purple
Light-catalyzed reaction can occur under outside line irradiation.
Preferably, the auxiliary scavenging solution is one of hydrogenperoxide steam generator, fenton reagent.Assist scavenging solution auxiliary
It helps ultraviolet and catalyst to realize advanced oxidation processes, and makes exhaust gas distribution uniformity, the complicated organic matter contained in oxidation gaseous effluent
Ingredient, the depth down of processing have irreplaceable meaning.
Further, the carrier grid is porous metal fiber felt, polyester fiber felt, ceramic fiber blanket, activated carbon fibre
One of felt.Above several fibrofelts keep the amount for coating photochemical catalyst more and surface is with many pore structures, have big
Specific surface area, give full play to catalytic activity.
Further, the preparation method of the photochemical catalyst is：Titanium sulfate, copper nitrate, polyvinylpyrrolidone, urea is molten
Solution stirs evenly in deionized water, and the molar concentration for obtaining titanium sulfate is 15-250mmol/L, copper nitrate, polyvinyl pyrrole
Alkanone, the molar concentration of urea are respectively the 0.2 ~ 4% of titanium sulfate, 20 ~ 65%, 0.5-6 times；The mixed solution is transferred to high pressure
Reaction kettle is heated to 165 ~ 195 DEG C, heats 3 ~ 5h；Heat preservation reduction of speed is cooled to room temperature, and the time for cooling to room temperature is at least 12h；
It is centrifugated supernatant liquor, 50-500mmol sulfuric acid solution is added in sediment and impregnates 5-10h, is centrifugated to obtain secondary precipitation
Object；After 70 ~ 80 DEG C of dryings of secondary precipitate, 2-3h is roasted at 850 ~ 900 DEG C, obtains photochemical catalyst.The system of the above photochemical catalyst
The catalyst that Preparation Method obtains is suitable for this system, and the efficiency for reacting catalytic organism is greatly improved, and plays advanced oxygen
The advantage of change method and photochemical catalytic oxidation.
Preferably, each active carbon filler layer is detachable structure, each active carbon filler layer passes through buckling parts
It is embedded in main casing.It is easier that detachable structure makes it operate.
Compared to the prior art, the beneficial effects of the present invention are：A kind of photolytic activity carbon purifying device of the invention, layer
Secondary distinctness, oxidation activity is strong, and applicability is wide, the organic principle in most of exhaust gas of efficiently thoroughly degrading.Main casing is lateral
Arrangement is convenient for the performance of function of the present invention, and prefiltration layer filtering large granular impurity makes it not and influence and is subsequent；Electrostatic supplementary set layer supplementary set
Dust and oil phase substance avoid it from influencing subsequent catalyst oxidation section；The ultraviolet lamp tube and active carbon filler layer of comprehensive purifying layer
Synergy makes ultraviolet light act on oxygen forming ozone oxidation organic matter, the activation of another aspect ultraviolet light itself, then
On the one hand reactivity is had more under active carbon porous structure, and spraying device driving atomizer is spraying, it is spraying in reagent
With ultraviolet lamp, activated carbon combined advanced oxidation organic matter, reaction is thorough, efficiently；Electric cabinet realizes partial automation, facilitates behaviour
Make；And additional carrier grid and catalyst component, strengthen the light-catalysed reaction scope of application and efficiency further.The present invention
Device merged photocatalysis, activated carbon adsorption, activation, the kinds of processes such as advanced oxidation expand accessible organic matter range
Exhibition, has more considerable and efficient treatment effect to fat-based and aryl derivatives and macromolecular substances, makes photolytic activity
The element of carbon purifying is not fully exerted, and is filled with new vitality for the development of active carbon comprehensive purifying technology.
Detailed description of the invention
Fig. 1 is the general structure schematic diagram of the embodiment of the present invention 1, and Fig. 2 is the overall structure signal of the embodiment of the present invention 2 ~ 4
Figure.
In figure：1- main casing, 10- inlet conduits, 11- prefiltration layer, 12- electrostatic supplementary set layer, 13- comprehensive purifying layer,
130- clean unit, 131- ultraviolet lamp tube, 132- active carbon filler layer, 14- outlet conduits, 2- spraying device, 21- atomization spray
Head, 22- feeder sleeve, 3- positive displacement pump, 31- sump pit, 4- electric cabinet.
Specific embodiment
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described.
Embodiment 1
Such as Fig. 1, a kind of photolytic activity carbon purifying device, including main casing 1, spraying device 2, positive displacement pump 3, electric cabinet 4, the master
1 front end of shell, rear end are respectively arranged with expanding and undergauge inlet conduits 10, outlet conduits 14, and supporting leg is arranged in housing bottom；Institute
It states enclosure interior and sets gradually prefiltration layer 11, electrostatic supplementary set layer 12 and comprehensive purifying layer 13, the just mistake to the back-end from front end
The material of filtering layer 11 is wire mesh, and electrostatic supplementary set layer 12 has negative electrode, positive electrode, and the comprehensive purifying layer 13 includes 3 ~ 6
A identical clean unit 130 successively arranged, each clean unit 130 are successively arranged one group of ultraviolet lamp tube to the back-end from front end
131, active carbon filler layer 132, the arrangement mode of the ultraviolet lamp tube 131 are equidistant longitudinal arrangement, each clean unit 130
One group of 131 quantity of ultraviolet lamp tube be 4 ~ 8, active carbon filler layer 132 uniformly be filled with cocoanut active charcoal, every layer of activity
The transmitance that 132 pairs of ultraviolet lamp tube 131 of carbon filling material layer issue ultraviolet light is 5 ~ 17%, and each active carbon filler layer 132 is can
Detaching structure, each active carbon filler layer 132 are embedded in main casing 1 by buckling parts 133, and buckling parts 133 can be buckle, spiral shell
The forms such as silk nut；
In each clean unit 130, atomizer 21 is distributed in top, the lower section of ultraviolet lamp tube 131, and the atomizer 21 exists
1 upper and lower part of main casing connects spraying device 2, the 2 external connection feeder sleeve 22 of spraying device, feeder sleeve 22 outward respectively
Be passed through auxiliary scavenging solution, the auxiliary scavenging solution is one of hydrogenperoxide steam generator, fenton reagent, mass concentration 0.1 ~
15%；Sump pit 31 is provided with inside the main casing 1 below comprehensive purifying layer 13, the sump pit 31 is connected with pipeline and arranged
Liquid pump 3；
Shell of the main casing 1 at 13 rear portion of comprehensive purifying layer installs electric cabinet 4, and electric cabinet 4 can be commercially available single-chip microcontroller
Control module, programmable control module, the electric cabinet 4 connect power supply, and power supply is industry 380V or 220V power supply, direct current, institute
State negative electrode, the positive electrode electrical connection electric cabinet 4 of electrostatic supplementary set layer 12, the switch of the ultraviolet lamp tube 131 and described spraying
Device 2, positive displacement pump 3 are electrically connected electric cabinet 4.
Embodiment 2
Such as Fig. 2, a kind of photolytic activity carbon purifying device, including main casing 1, spraying device 2, positive displacement pump 3, electric cabinet 4, the master
1 front end of shell, rear end are respectively arranged with expanding and undergauge inlet conduits 10, outlet conduits 14, and supporting leg is arranged in housing bottom；Institute
It states enclosure interior and sets gradually prefiltration layer 11, electrostatic supplementary set layer 12 and comprehensive purifying layer 13, the just mistake to the back-end from front end
The material of filtering layer 11 is wire mesh, and electrostatic supplementary set layer 12 has negative electrode, positive electrode, and the comprehensive purifying layer 13 includes 3 ~ 6
A identical clean unit 130 successively arranged, each clean unit 130 are successively arranged one group of ultraviolet lamp tube to the back-end from front end
131, active carbon filler layer 132, the arrangement mode of the ultraviolet lamp tube 131 are equidistant longitudinal arrangement, each clean unit 130
One group of 131 quantity of ultraviolet lamp tube be 4 ~ 8, active carbon filler layer 132 uniformly be filled with cocoanut active charcoal, every layer of activity
The transmitance that 132 pairs of ultraviolet lamp tube 131 of carbon filling material layer issue ultraviolet light is 5 ~ 17%, and each active carbon filler layer 132 is can
Detaching structure, each active carbon filler layer 132 are embedded in main casing 1 by buckling parts 133, and buckling parts 133 can be buckle, spiral shell
The forms such as silk nut；
In each clean unit 130, atomizer 21 is distributed in top, the lower section of ultraviolet lamp tube 131, and the atomizer 21 exists
1 upper and lower part of main casing connects spraying device 2, the 2 external connection feeder sleeve 22 of spraying device, feeder sleeve 22 outward respectively
Be passed through auxiliary scavenging solution, the auxiliary scavenging solution is one of hydrogenperoxide steam generator, fenton reagent, mass concentration 0.1 ~
15%；Sump pit 31 is provided with inside the main casing 1 below comprehensive purifying layer 13, the sump pit 31 is connected with pipeline and arranged
Liquid pump 3；
131 front end of ultraviolet lamp tube described in every group is also equipped with Catalytic Layer 15, and the Catalytic Layer 15 includes densely covered carrier grid, institute
Stating carrier grid is one of porous metal fiber felt, polyester fiber felt, ceramic fiber blanket, active carbon fiber felt, carrier web
Photochemical catalyst is coated on lattice；
Shell of the main casing 1 at 13 rear portion of comprehensive purifying layer installs electric cabinet 4, and electric cabinet 4 can be commercially available single-chip microcontroller
Control module, programmable control module, the electric cabinet 4 connect power supply, and power supply is industry 380V or 220V power supply, direct current, institute
State negative electrode, the positive electrode electrical connection electric cabinet 4 of electrostatic supplementary set layer 12, the switch of the ultraviolet lamp tube 131 and described spraying
Device 2, positive displacement pump 3 are electrically connected electric cabinet 4；
Wherein, the preparation method of the photochemical catalyst is：Titanium sulfate, copper nitrate, polyvinylpyrrolidone, urea are dissolved in
It in ionized water, stirs evenly, the molar concentration for obtaining titanium sulfate is 78mmol/L, copper nitrate, polyvinylpyrrolidone, urea
Molar concentration is respectively the 1% of titanium sulfate, 20%, 2 times；The mixed solution is transferred to autoclave, 175 DEG C is heated to, adds
Hot 3h；Heat preservation reduction of speed is cooled to room temperature, and the time for cooling to room temperature is at least 12h；Be centrifugated supernatant liquor, by sediment plus
Enter 50-500mmol sulfuric acid solution and impregnate 5-10h, is centrifugated to obtain secondary precipitate；After 70 DEG C of dryings of secondary precipitate, 875 DEG C
Lower roasting 2h, obtains photochemical catalyst.
Embodiment 3
Such as Fig. 2, a kind of photolytic activity carbon purifying device, including main casing 1, spraying device 2, positive displacement pump 3, electric cabinet 4, the master
1 front end of shell, rear end are respectively arranged with expanding and undergauge inlet conduits 10, outlet conduits 14, and supporting leg is arranged in housing bottom；Institute
It states enclosure interior and sets gradually prefiltration layer 11, electrostatic supplementary set layer 12 and comprehensive purifying layer 13, the just mistake to the back-end from front end
The material of filtering layer 11 is wire mesh, and electrostatic supplementary set layer 12 has negative electrode, positive electrode, and the comprehensive purifying layer 13 includes 3 ~ 6
A identical clean unit 130 successively arranged, each clean unit 130 are successively arranged one group of ultraviolet lamp tube to the back-end from front end
131, active carbon filler layer 132, the arrangement mode of the ultraviolet lamp tube 131 are equidistant longitudinal arrangement, each clean unit 130
One group of 131 quantity of ultraviolet lamp tube be 4 ~ 8, active carbon filler layer 132 uniformly be filled with cocoanut active charcoal, every layer of activity
The transmitance that 132 pairs of ultraviolet lamp tube 131 of carbon filling material layer issue ultraviolet light is 5 ~ 17%, and each active carbon filler layer 132 is can
Detaching structure, each active carbon filler layer 132 are embedded in main casing 1 by buckling parts 133, and buckling parts 133 can be buckle, spiral shell
The forms such as silk nut；
In each clean unit 130, atomizer 21 is distributed in top, the lower section of ultraviolet lamp tube 131, and the atomizer 21 exists
1 upper and lower part of main casing connects spraying device 2, the 2 external connection feeder sleeve 22 of spraying device, feeder sleeve 22 outward respectively
Be passed through auxiliary scavenging solution, the auxiliary scavenging solution is one of hydrogenperoxide steam generator, fenton reagent, mass concentration 0.1 ~
15%；Sump pit 31 is provided with inside the main casing 1 below comprehensive purifying layer 13, the sump pit 31 is connected with pipeline and arranged
Liquid pump 3；
131 front end of ultraviolet lamp tube described in every group is also equipped with Catalytic Layer 15, and the Catalytic Layer 15 includes densely covered carrier grid, institute
Stating carrier grid is one of porous metal fiber felt, polyester fiber felt, ceramic fiber blanket, active carbon fiber felt, carrier web
Photochemical catalyst is coated on lattice；
Shell of the main casing 1 at 13 rear portion of comprehensive purifying layer installs electric cabinet 4, and electric cabinet 4 can be commercially available single-chip microcontroller
Control module, programmable control module, the electric cabinet 4 connect power supply, and power supply is industry 380V or 220V power supply, direct current, institute
State negative electrode, the positive electrode electrical connection electric cabinet 4 of electrostatic supplementary set layer 12, the switch of the ultraviolet lamp tube 131 and described spraying
Device 2, positive displacement pump 3 are electrically connected electric cabinet 4；
Wherein, the preparation method of the photochemical catalyst is：Titanium sulfate, copper nitrate, polyvinylpyrrolidone, urea are dissolved in
It in ionized water, stirs evenly, the molar concentration for obtaining titanium sulfate is 15mmol/L, copper nitrate, polyvinylpyrrolidone, urea
Molar concentration is respectively the 4% of titanium sulfate, 35%, 6 times；The mixed solution is transferred to autoclave, 165 DEG C is heated to, adds
Hot 5h；Heat preservation reduction of speed is cooled to room temperature, and the time for cooling to room temperature is at least 12h；Be centrifugated supernatant liquor, by sediment plus
Enter 50-500mmol sulfuric acid solution and impregnate 5-10h, is centrifugated to obtain secondary precipitate；After 80 DEG C of dryings of secondary precipitate, 900 DEG C
Lower roasting 3h, obtains photochemical catalyst.
Embodiment 4
Such as Fig. 2, a kind of photolytic activity carbon purifying device, including main casing 1, spraying device 2, positive displacement pump 3, electric cabinet 4, the master
1 front end of shell, rear end are respectively arranged with expanding and undergauge inlet conduits 10, outlet conduits 14, and supporting leg is arranged in housing bottom；Institute
It states enclosure interior and sets gradually prefiltration layer 11, electrostatic supplementary set layer 12 and comprehensive purifying layer 13, the just mistake to the back-end from front end
The material of filtering layer 11 is wire mesh, and electrostatic supplementary set layer 12 has negative electrode, positive electrode, and the comprehensive purifying layer 13 includes 3 ~ 6
A identical clean unit 130 successively arranged, each clean unit 130 are successively arranged one group of ultraviolet lamp tube to the back-end from front end
131, active carbon filler layer 132, the arrangement mode of the ultraviolet lamp tube 131 are equidistant longitudinal arrangement, each clean unit 130
One group of 131 quantity of ultraviolet lamp tube be 4 ~ 8, active carbon filler layer 132 uniformly be filled with cocoanut active charcoal, every layer of activity
The transmitance that 132 pairs of ultraviolet lamp tube 131 of carbon filling material layer issue ultraviolet light is 5 ~ 17%, and each active carbon filler layer 132 is can
Detaching structure, each active carbon filler layer 132 are embedded in main casing 1 by buckling parts 133, and buckling parts 133 can be buckle, spiral shell
The forms such as silk nut；
In each clean unit 130, atomizer 21 is distributed in top, the lower section of ultraviolet lamp tube 131, and the atomizer 21 exists
1 upper and lower part of main casing connects spraying device 2, the 2 external connection feeder sleeve 22 of spraying device, feeder sleeve 22 outward respectively
Be passed through auxiliary scavenging solution, the auxiliary scavenging solution is one of hydrogenperoxide steam generator, fenton reagent, mass concentration 0.1 ~
15%；Sump pit 31 is provided with inside the main casing 1 below comprehensive purifying layer 13, the sump pit 31 is connected with pipeline and arranged
Liquid pump 3；
131 front end of ultraviolet lamp tube described in every group is also equipped with Catalytic Layer 15, and the Catalytic Layer 15 includes densely covered carrier grid, institute
Stating carrier grid is one of porous metal fiber felt, polyester fiber felt, ceramic fiber blanket, active carbon fiber felt, carrier web
Photochemical catalyst is coated on lattice；
Shell of the main casing 1 at 13 rear portion of comprehensive purifying layer installs electric cabinet 4, and electric cabinet 4 can be commercially available single-chip microcontroller
Control module, programmable control module, the electric cabinet 4 connect power supply, and power supply is industry 380V or 220V power supply, direct current, institute
State negative electrode, the positive electrode electrical connection electric cabinet 4 of electrostatic supplementary set layer 12, the switch of the ultraviolet lamp tube 131 and described spraying
Device 2, positive displacement pump 3 are electrically connected electric cabinet 4；
Wherein, the preparation method of the photochemical catalyst is：Titanium sulfate, copper nitrate, polyvinylpyrrolidone, urea are dissolved in
It in ionized water, stirs evenly, the molar concentration for obtaining titanium sulfate is 250mmol/L, copper nitrate, polyvinylpyrrolidone, urea
Molar concentration be respectively the 0.2% of titanium sulfate, 65%, 0.5 times；The mixed solution is transferred to autoclave, is heated to 195
DEG C, heat 4h；Heat preservation reduction of speed is cooled to room temperature, and the time for cooling to room temperature is at least 12h；It is centrifugated supernatant liquor, will be sunk
Starch is added 50-500mmol sulfuric acid solution and impregnates 5-10h, is centrifugated to obtain secondary precipitate；75 DEG C of dryings of secondary precipitate
Afterwards, 2.5h is roasted at 850 DEG C, obtain photochemical catalyst.
Above embodiments are only to illustrate the preferred technical solution of the present invention, it is noted that for the general of the art
For logical technical staff, without departing from the principle of the present invention, several improvement made or equivalent replacement are accordingly to be regarded as this
The protection scope of invention should be covered within the scope of the claims of the present invention.
Claims (9)
1. a kind of photolytic activity carbon purifying device, which is characterized in that including main casing, spraying device, positive displacement pump, electric cabinet, institute
State main casing front end, rear end is respectively arranged with expanding and undergauge inlet conduits, outlet conduits, housing bottom setting supporting leg；Institute
It states enclosure interior and sets gradually prefiltration layer, electrostatic supplementary set layer and comprehensive purifying layer to the back-end from front end, electrostatic supplementary set layer has
Negative electrode, positive electrode, the comprehensive purifying layer include several identical clean units successively arranged, and each clean unit is from front end
It successively arranges one group of ultraviolet lamp tube, active carbon filler layer to the back-end, active carbon filler layer is uniformly filled with cocoanut active charcoal；Every
A clean unit, top, the lower section of ultraviolet lamp tube are distributed with atomizer, the atomizer portion and lower part on a main housing
Spraying device, the spraying device external connection feeder sleeve are not connected not outward, and feeder sleeve is passed through auxiliary scavenging solution；The main casing
Inside is provided with sump pit below comprehensive purifying layer, and the sump pit is with pipeline connected drainage pump；
Shell of the main casing at comprehensive purifying layer rear portion installs electric cabinet, and the electric cabinet connects power supply, and the electrostatic is mended
Collect the negative electrode of layer, positive electrode is electrically connected electric cabinet, the switch of the ultraviolet lamp tube and the spraying device, positive displacement pump electricity
Connect electric cabinet.
2. a kind of photolytic activity carbon purifying device according to claim 1, which is characterized in that the material of the prefiltration layer
For wire mesh.
3. a kind of photolytic activity carbon purifying device according to claim 1, which is characterized in that the arrangement of the ultraviolet lamp tube
Mode is equidistant longitudinal arrangement.
4. a kind of photolytic activity carbon purifying device according to claim 1, which is characterized in that every layer of active carbon filler
The transmitance that layer issues ultraviolet light to ultraviolet lamp tube is 5 ~ 17%.
5. a kind of photolytic activity carbon purifying device according to claim 1, which is characterized in that before ultraviolet lamp tube described in every group
End is also equipped with Catalytic Layer, and the Catalytic Layer includes densely covered carrier grid, is coated with photochemical catalyst on carrier grid.
6. a kind of photolytic activity carbon purifying device according to claim 1, which is characterized in that the auxiliary scavenging solution was
One of hydrogen peroxide solution, fenton reagent.
7. a kind of photolytic activity carbon purifying device according to claim 5, which is characterized in that the carrier grid is porous
One of metal fiber felt, polyester fiber felt, ceramic fiber blanket, active carbon fiber felt.
8. a kind of photolytic activity carbon purifying device according to claim 5, which is characterized in that the preparation of the photochemical catalyst
Method is：Titanium sulfate, copper nitrate, polyvinylpyrrolidone, urea are dissolved in deionized water, stirred evenly, sulfuric acid is obtained
The molar concentration of titanium be 15-250mmol/L, copper nitrate, polyvinylpyrrolidone, urea molar concentration be respectively titanium sulfate
0.2 ~ 4%, 20 ~ 65%, 0.5-6 times；The mixed solution is transferred to autoclave, is heated to 165 ~ 195 DEG C, heats 3 ~ 5h；
Heat preservation reduction of speed is cooled to room temperature, and the time for cooling to room temperature is at least 12h；It is centrifugated supernatant liquor, 50- is added in sediment
500mmol sulfuric acid solution impregnates 5-10h, is centrifugated to obtain secondary precipitate；After 70 ~ 80 DEG C of dryings of secondary precipitate, 850 ~ 900
2-3h is roasted at DEG C, obtains photochemical catalyst.
9. a kind of photolytic activity carbon purifying device according to claim 1, which is characterized in that each active carbon filler
Layer is detachable structure, and each active carbon filler layer is embedded in main casing by buckling parts.
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| CN110180385A (en) * | 2019-06-19 | 2019-08-30 | 沈阳理工大学 | Porous ceramics catalytic oxidizer and its preparation method, multipurpose high-efficiency air cleaning unit |
| CN110280091A (en) * | 2019-06-27 | 2019-09-27 | 苏州蓝正清环保科技有限公司 | Photooxidation catalytic unit |
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