CN107485940A - A kind of purifying formaldehyde tower - Google Patents
A kind of purifying formaldehyde tower Download PDFInfo
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- CN107485940A CN107485940A CN201710997414.XA CN201710997414A CN107485940A CN 107485940 A CN107485940 A CN 107485940A CN 201710997414 A CN201710997414 A CN 201710997414A CN 107485940 A CN107485940 A CN 107485940A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4227—Manipulating filters or filter elements, e.g. handles or extracting tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
- B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
-
- 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
- B01D53/14—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 absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
A kind of purifying formaldehyde tower, effectively solves the problems such as existing equipment purifying formaldehyde efficiency is low and adsorption layer is excessive, utilization ratio is not high；It includes purifying column, absorber and rotational flow fan, and rotational flow fan is arranged on the air inlet of absorber, the air outlet connection purifying column of absorber；Clever structure of the present invention, the purification of formaldehyde gas is carried out after first the carbon particle contained in gas is absorbed again, reduce pollution of the carbon particle to scavenging solution and destroy, there is provided the utilization rate of scavenging solution；And the adsorption structure of script monoblock type is revised as split type, reduce the area of single adsorption layer, make its more sufficiently effective input for being utilized, production cost greatly reducing, be more beneficial for the development of enterprise.
Description
Technical field
The present invention relates to technical field of environment protection equipment, more particularly to a kind of purifying formaldehyde tower.
Background technology
With the continuous development of China's medical industry, medical domain is also got over to the storage requirement of human research and human body specimen
Come higher, but the present medical science in China is in terms of human body storage, and mainly using formaldehyde, due to formaldehyde high volatility, human body is produced
Very big harm, long-time inhaled formaldehyde pernicious gas is easily carcinogenic, and many research institutions in countries in the world are all in research department at present
Formaldehyde purification of air, many drawbacks of purification of air and occupational disease control aspect in China especially be present.
In the patent of invention of application number 201611018091.7, a kind of Water-curtain paint mist purification device is disclosed, including
No.1 paint spray booth and No. two paint spray booths for being arranged on No.1 paint spray booth side, and it is arranged on the eddy flow of No. two paint spray booths side
Tower, and the adsorbent equipment of eddy flow tower side is arranged on, No.1 paint spray booth side is provided with No. two paint spray booths, the No.1 spray
Paint room and No. two paint spray booths upper end are respectively connected with collecting pipe, and described collecting pipe one end is connected with eddy flow tower, institute by connecting deck
State eddy flow tower and be internally provided with eddy flow fan, be provided with cistern on the downside of the eddy flow tower, the eddy flow tower side is provided with change
Footpath head, the path changing head are connected with centrifugal blower by air blower tube, and the centrifugal blower side is provided with adsorbent equipment, the suction
Adsorption device is internally provided with activated carbon adsorption layer.
When in use, the gas containing formaldehyde just carries out formaldehyde treated to the patent after first passing through humidification, due to can in waste gas
There can be larger particulate matter, first pass through that particulate matter is easily after humidification and liquid is mixed to form precipitation, deposit after more than precipitate
By the possibility of line clogging, so as to reduce the efficiency of exhaust-gas treatment；The adsorbent equipment is in formaldehyde adsorption, due to air inlet caliber
Much smaller than the diameter of adsorbent equipment, so in absorption, only extremely least a portion of adsorption layer plays suction-operated, and is adsorbing
More formaldehyde thus wastes certain adsorption capacity, added, it is necessary to, it is necessary to monoblock all replaces when changing adsorption layer
The input of cost.
The content of the invention
For the above situation, to overcome the defect of prior art, the purpose of the present invention is just to provide a kind of purifying formaldehyde tower,
Effectively solves the problems such as existing equipment purifying formaldehyde efficiency is low and adsorption layer is excessive, utilization ratio is not high.
Its technical scheme solved is that the present invention includes purifying column, absorber and rotational flow fan, and rotational flow fan, which is arranged on, inhales
Receive the air inlet of device, the air outlet connection purifying column of absorber；
It is divided into adsorption zone, the first return zone, loading place and the second return air in the absorber successively from surface clockwise
Area, the demarcation strip being fixed on absorber inwall is provided between adsorption zone, the first return zone, loading place and the second return zone, is inhaled
Absorber shell is provided with the outside of attached area, the first return zone and the second return zone, does not have absorber shell outside loading place, in absorber
The heart is fixed with a hollow axis body, is spaced successively in absorber and is fixed with three the first adsorption layers rotated around axis body, the second suction
Attached layer and the 3rd adsorption layer；
The right side of the adsorption zone is the air inlet of absorber, is the air outlet of absorber on the left of adsorption zone, the first return zone and
Return fan is respectively connected with the left of second return zone, the first return zone and the second return zone right side connect entering for absorber through backwind tube
Air port, backwind tube are provided with the first check valve；
First adsorption layer includes mounting bracket, and mounting bracket includes four installing arms in " ten " font arrangement, installing arm warp beam
Set is connected, and adsorption net is placed in installing arm and axle sleeve, and axle sleeve and installing arm are provided with heavy shoulder, and adsorption net outside is provided with and heavy shoulder knot
The corresponding housing of structure, housing and heavy shoulder, which match, forms the structure that adsorption net is positioned in installing arm, and installing arm is provided with more
Adsorption net is fixed on mounting bracket by individual pressure tongue, pressure tongue, and the second adsorption layer, the 3rd adsorption layer and the first adsorbed layer structure are identical；
The first rotating shaft coaxial with axis body is equipped with the axis body, first rotating shaft is connected with the axle sleeve of the first adsorption layer, and first
Rotating shaft drives the first adsorption layer to rotate, and is equipped with second rotating shaft coaxial with first rotating shaft in first rotating shaft, the second rotating shaft and the
The axle sleeve connection of two adsorption layers, the second rotating shaft drive the second adsorption layer to rotate, are equipped with the second rotating shaft coaxial with the second rotating shaft
The 3rd rotating shaft, the 3rd rotating shaft is connected with the axle sleeve of the 3rd adsorption layer, and the 3rd rotating shaft drives the 3rd adsorption layer to rotate, first turn
Axle, the second rotating shaft and the 3rd rotating shaft are stretched out outside absorber and end is provided with handle.
Clever structure of the present invention, the purification of formaldehyde gas is carried out after first the carbon particle contained in gas is absorbed again,
Reduce pollution of the carbon particle to scavenging solution to destroy, there is provided the utilization rate of scavenging solution；And the adsorption structure of script monoblock type is changed
To be split type, reduce the area of single adsorption layer, make its it is more sufficiently effective utilized, production cost greatly reduces
Input, be more beneficial for the development of enterprise.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the schematic diagram of adsorbent equipment in the prior art.
Fig. 3 is the structural representation of adsorbent equipment in the present invention.
Fig. 4 is the schematic cross-sectional view of A-A in Fig. 3 of the present invention.
Fig. 5 is the schematic cross-sectional view of B-B in Fig. 3 of the present invention.
Fig. 6 is the schematic diagram of adsorption net in the present invention.
Fig. 7 is the schematic cross-sectional view of C-C in Fig. 6 of the present invention.
Fig. 8 is the schematic diagram of mounting bracket in the present invention.
Fig. 9 is the schematic cross-sectional view of D-D in Fig. 8 of the present invention.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with accompanying drawing 1-9.
Embodiment one：
From Fig. 1 to Fig. 9, the present invention includes purifying column 1, absorber 2 and rotational flow fan 3, and rotational flow fan 3 is arranged on absorber
2 air inlet, the air outlet connection purifying column 1 of absorber 2；
It is divided into adsorption zone 4, the first return zone 5, loading place 6 and second in the absorber 2 successively from surface clockwise
Return zone 7, it is provided with and is fixed on the inwall of absorber 2 between adsorption zone 4, the first return zone 5, the return zone 7 of loading place 6 and second
Demarcation strip 8, adsorption zone 4, the first return zone 5 and the outside of the second return zone 7 are provided with absorber shell 9, not absorbed outside loading place 6
Device housing 9, the center of absorber 2 are fixed with a hollow axis body 10, and interval is fixed with three around 10 turns of axis body successively in absorber 2
Dynamic the first adsorption layer 11, the second adsorption layer 12 and the 3rd adsorption layer 13；
The right side of the adsorption zone 4 is the air inlet of absorber 2, and the left side of adsorption zone 4 is the air outlet of absorber 2, the first return air
The left side of 5 and second return zone of area 7 is respectively connected with return fan 14, and the first return zone 5 and the right side of the second return zone 7 connect through backwind tube 15
The air inlet of absorber 2 is connect, backwind tube 15 is provided with the first check valve 16；
First adsorption layer 11 includes mounting bracket 17, and mounting bracket 17 includes four installing arms 18 in " ten " font arrangement, peace
The dress warp beam sleeve 19 of arm 18 is connected, and adsorption net 20 is placed in installing arm 18 and axle sleeve 19, and axle sleeve 19 and installing arm 18 are provided with heavy shoulder
27, the outside of adsorption net 20 is provided with the housing 29 corresponding with the heavy structure of shoulder 27, and housing 29 and heavy shoulder 27, which match, forms adsorption net
20 are positioned at the structure in installing arm 18, and installing arm 18 is provided with multiple pressure tongues 21, and adsorption net 20 is fixed on installation by pressure tongue 21
On frame 17, the second adsorption layer 12, the 3rd adsorption layer 13 are identical with the structure of the first adsorption layer 11；
The first rotating shaft 22 coaxial with axis body 10, the axle sleeve of the adsorption layer 11 of first rotating shaft 22 and first are equipped with the axis body 10
19 connections, first rotating shaft 22 drive the first adsorption layer 11 to rotate, and the coaxial with first rotating shaft 22 is equipped with first rotating shaft 22
Two rotating shafts 23, the second rotating shaft 23 are connected with the axle sleeve 19 of the second adsorption layer 12, and the second rotating shaft 23 drives the second adsorption layer 12 to rotate,
The axle sleeve of threeth rotating shaft 24 coaxial with the second rotating shaft 23, the 3rd rotating shaft 24 and the 3rd adsorption layer 13 is equipped with second rotating shaft 23
19 connections, the 3rd rotating shaft 24 drive the 3rd adsorption layer 13 to rotate, and first rotating shaft 22, the second rotating shaft 23 and the 3rd rotating shaft 24 are stretched out
Outside absorber 2 and end is provided with handle 25.
Described absorber shell 9 is provided with the slideway 26 positioned at the side of mounting bracket 17, is offered on axle sleeve 19 positioned at heavy
Groove 28 on shoulder 27.
Described adsorption net 20 is a quarter sector structure, the straight line portion side of housing 29 be convexly equipped with it is right with groove 28
The projection 30 answered, the arch section of housing 29 are provided with raised line 31 corresponding with slideway 26.
The groove with the equal thickness of mounting bracket 17 is offered on described demarcation strip 8, when installing arm 18 is alignd with demarcation strip 8,
There is no air circulation between adsorption zone 4, the first return zone 5, the return zone 7 of loading place 6 and second.
The second check valve 32 is provided between described return fan 14 and absorber 2.
Described pressure tongue 21 includes the torsion spring that one end is fixed in installing arm 18, and the torsion spring other end is connected with the pressure of strip
Plate.
In the use of the present invention,
Rotational flow fan 3 is connected into laboratory etc. needs to carry out the place of formaldehyde treated, and absorber 2 and purifying column 1 are placed in outdoor,
Adsorption net 20 is more finished changing in absorber 2, purifying formaldehyde liquid has been configured in purifying column 1, rotational flow fan 3 is then opened, interior is contained
The gas for having formaldehyde is retracted in absorber 2, carries out the absorption of the bulky grains such as carbon particle by absorber 2 first, will contain formaldehyde gas
After internal dust etc. adsorbs, pure gas is entered in purifying column 1, by the scavenging solution in purifying column 1 by the first in gas
Aldehyde is purified, and finally discharges pure gas by the top of purifying column 1.
When being adsorbed with a certain amount of dust granules in the adsorption net 20 in absorber 2, it is necessary to change adsorption net 20, this
When, the handle 25 of corresponding adsorption layer is rotated clockwise, the first adsorption layer 11, the second adsorption layer 12 or the 3rd adsorption layer 13 produce
Rotate, now, the adsorption net 20 in adsorption zone 4 is turned in the first return zone 5, and the adsorption net in the second return zone 7
20 enter in adsorption zone 4,, can be persistently to gas without shutting down during replacing so as to complete the replacing of adsorption net 20
Body carries out purified treatment.
During adsorption net 20 is changed, due to offering the groove with the equal thickness of mounting bracket 17 on demarcation strip 8, so
During mounting bracket 17 rotates, it will be connected between adsorption zone 4, the first return zone 5, the return zone 7 of loading place 6 and second by groove
Logical, i.e., the gas in adsorption zone 4 will be entered in the first return zone 5 and the second return zone 7, so in the He of the first return zone 5
Also there can be the gas containing formaldehyde and dust granules in second return zone 7, therefore, in the first return zone 5 and the second return zone 7
Interior left side is provided with return fan 14, for by the gas blowback in the first return zone 5 and the second return zone 7 to adsorption zone 4,
So that to being handled containing formaldehyde gas, and prevent it to be discharged into air.
The installation of adsorption net 20 is completed with dismounting in loading place 6, when the adsorption net 20 in the first return zone 5 turns to dress
When unloading in area 6, unloaded and changed, when the adsorption net 20 in adsorption zone 4 needs to change, installed on loading place 6 new
Adsorption net 20, then turn in the second return zone 7, the adsorption net 20 in the second return zone 7 is turned in adsorption zone 4, need
It should be noted that when removing adsorption net 20, new adsorption net 20 is not changed at once, because not absorbed in loading place 6
The presence of device housing 9, exposure for a long time can greatly reduce the filtration of adsorption net 20 in atmosphere, when carrying out draping
Installed again, be now transferred in the second return zone 7, there is the protection of absorber shell 9, so adsorption net 20 can not
Give the dust in outside air to contact, ensure its filter effect.
First check valve 16 is installed on backwind tube 15, prevents from entering directly into first time from the gas that interior has just been extracted out
In the return zone 7 of wind area 5 or second, and it is into adsorption zone 4 and is adsorbed, and in the first return zone 5 and the second return zone 7
Reflux gas can re-enter into adsorption zone 4 and adsorbed.
The rotation of mounting bracket 17 is controlled by handle 25, swing handle 25, corresponding first rotating shaft 24, the second rotating shaft 25 or
3rd rotating shaft 26 rotates, and with first rotating shaft 24, the axle sleeve 19 of the second rotating shaft 25 or the 3rd rotating shaft 26 through key connection therewith
Rotate, so as to drive corresponding mounting bracket 17 to rotate.
First rotating shaft 24, the second rotating shaft 25 and the 3rd rotating shaft 26 are mutually socketed, and are independent of each other each other, one wherein
During rotation, two other is all in inactive state, and because the draping time of three layer filtration is different, it is right respectively that such setting is easy to
First adsorption layer 11, the second adsorption layer 12 or the 3rd adsorption layer 13 carry out draping processing.
Adsorption net 20 is movably fixed on mounting bracket 17, and the projection 30 on the housing 29 of adsorption net 20 is put into installation first
Sunk on frame 17 in the groove 28 of shoulder 27, then the size of housing 29 is corresponding with heavy shoulder 27, i.e., protects adsorption net 20 and mounting bracket 17
Hold and be located by connecting, then adsorption net 20 is pressed on mounting bracket 17 with pressure tongue 21, and press tongue 21 easy to use, due to adsorption net
20 power when rotating only radially, so minimum power can be fixed on mounting bracket 17, press the torsion spring on tongue 21
Thrust is provided, and pressing plate is responsible for being compressed, and pressing plate is taken away from adsorption net 20 with the power can of very little during dismounting, is easy to
Take out adsorption net 20.
In order to facilitate the rotation of adsorption net 20, slideway 26 is set in the outer rim of absorber shell 9, housing 29 is provided with slideway
The raised lines 31 slided in 26, ensure the accurate of when the rotating position of adsorption net 20, play a part of auxiliary positioning.
Adsorption net 20 using quadrant sector structure, relative to traditional circle or square structure, face
Product reduces a lot, but due to the limitation of the air inlet bore of absorber 2, too big area can not also be completed to play a role, institute
The filter effect being equal with its area can not be played with excessive filter area, so the present invention subtracts the area of adsorption net 20
It is small, it is adapted to the air inlet bore of absorber 2, greatly improves the filter efficiency of unit area, and due to the reduction of area,
A part of cost can be saved.
In the present invention during purifying formaldehyde, the processing of dust granules is first carried out, then pure gas is handled again, it is and existing
The way that formaldehyde reprocessing dust is first handled in technology is compared, and can be reduced the pollution of dust PARA FORMALDEHYDE PRILLS(91,95) scavenging solution, be improved purification
The purification efficiency of liquid, and avoid blocking adsorption net 20 in dust-filtering with moist gas, it is to achieve many things at one stroke.
Groove and the equal thickness of mounting bracket 17 on demarcation strip 8, in normal dust-filtering, the installing arm 18 on mounting bracket 17
Groove is blocked, so that not connected mutually between each compartment, the exchange of gas will not occur, only have necessarily in the moment of rotation
Exchange, ensure that the air-tightness of absorber 2.
The present invention has the advantages that relative to prior art：1）Break the whole up into parts, improve the mistake in unit area
Filter efficiency；2）Optimizing Flow so that between each process more rationally, treatment effect greatly promotes；3）Reduce adsorption net consumptive material
Cost, one piece of adsorption net originally is divided into polylith with material, improves yield rate.
Clever structure of the present invention, the purification of formaldehyde gas is carried out after first the carbon particle contained in gas is absorbed again,
Reduce pollution of the carbon particle to scavenging solution to destroy, there is provided the utilization rate of scavenging solution；And the adsorption structure of script monoblock type is changed
To be split type, reduce the area of single adsorption layer, make its it is more sufficiently effective utilized, production cost greatly reduces
Input, be more beneficial for the development of enterprise.
Claims (6)
1. a kind of purifying formaldehyde tower, including purifying column（1）, absorber（2）And rotational flow fan（3）, it is characterised in that rotational flow fan
（3）Installed in absorber（2）Air inlet, absorber（2）Air outlet connection purifying column（1）；
The absorber（2）Inside it is divided into adsorption zone successively from surface clockwise（4）, the first return zone（5）, loading place
（6）With the second return zone（7）, adsorption zone（4）, the first return zone（5）, loading place（6）With the second return zone（7）Between be provided with it is solid
It is scheduled on absorber（2）Demarcation strip on inwall（8）, adsorption zone（4）, the first return zone（5）With the second return zone（7）Outside is provided with
Absorber shell（9）, loading place（6）There is no absorber shell outside（9）, absorber（2）Center is fixed with a hollow axis body
（10）, absorber（2）Inside interval is fixed with three around axis body successively（10）The first adsorption layer rotated（11）, the second adsorption layer
（12）With the 3rd adsorption layer（13）；
The adsorption zone（4）Right side be absorber（2）Air inlet, adsorption zone（4）Left side is absorber（2）Air outlet,
First return zone（5）With the second return zone（7）Left side is respectively connected with return fan（14）, the first return zone（5）With the second return zone
（7）Right side is through backwind tube（15）Connect absorber（2）Air inlet, backwind tube（15）It is provided with the first check valve（16）；
First adsorption layer（11）Including mounting bracket（17）, mounting bracket（17）Including four installing arms arranged in " ten " font
（18）, installing arm（18）Warp beam sleeve（19）Connection, installing arm（18）And axle sleeve（19）Upper placement adsorption net（20）, axle sleeve（19）With
Installing arm（18）It is provided with heavy shoulder（27）, adsorption net（20）Outside is provided with and heavy shoulder（27）The corresponding housing of structure（29）, outside
Frame（29）With heavy shoulder（27）Match and form adsorption net（20）It is positioned at installing arm（18）On structure, installing arm（18）It is provided with
Multiple pressure tongues（21）, press tongue（21）By adsorption net（20）It is fixed on mounting bracket（17）On, the second adsorption layer（12）, the 3rd adsorption layer
（13）With the first adsorption layer（11）Structure is identical；
The axis body（10）Inside it is equipped with and axis body（10）Coaxial first rotating shaft（22）, first rotating shaft（22）With the first adsorption layer
（11）Axle sleeve（19）Connection, first rotating shaft（22）Drive the first adsorption layer（11）Rotate, first rotating shaft（22）Inside be equipped with
First rotating shaft（22）The second coaxial rotating shaft（23）, the second rotating shaft（23）With the second adsorption layer（12）Axle sleeve（19）Connection, the
Two rotating shafts（23）Drive the second adsorption layer（12）Rotate, the second rotating shaft（23）Inside it is equipped with and the second rotating shaft（23）Coaxial the 3rd
Rotating shaft（24）, the 3rd rotating shaft（24）With the 3rd adsorption layer（13）Axle sleeve（19）Connection, the 3rd rotating shaft（24）Drive the 3rd absorption
Layer（13）Rotate, first rotating shaft（22）, the second rotating shaft（23）With the 3rd rotating shaft（24）Stretch out absorber（2）Outside and end is set
There is handle（25）.
A kind of 2. purifying formaldehyde tower according to claim 1, it is characterised in that described absorber shell（9）It is provided with
Positioned at mounting bracket（17）The slideway of side（26）, axle sleeve（19）On offer positioned at heavy shoulder（27）On groove（28）.
A kind of 3. purifying formaldehyde tower according to claim 1, it is characterised in that described adsorption net（20）For a quarter
Sector structure, housing（29）Straight line portion side is convexly equipped with and and groove（28）Corresponding projection（30）, housing（29）Curved portions
It is arranged with and slideway（26）Corresponding raised line（31）.
A kind of 4. purifying formaldehyde tower according to claim 1, it is characterised in that described demarcation strip（8）On offer with
Mounting bracket（17）The groove of equal thickness, works as installing arm（18）With demarcation strip（8）During alignment, adsorption zone（4）, the first return zone（5）, dress
Unload area（6）With the second return zone（7）Between there is no air circulation.
A kind of 5. purifying formaldehyde tower according to claim 1, it is characterised in that described return fan（14）With absorber
（2）Between be provided with the second check valve（32）.
A kind of 6. purifying formaldehyde tower according to claim 1, it is characterised in that described pressure tongue（21）Fixed including one end
In installing arm（18）On torsion spring, the torsion spring other end is connected with the pressing plate of strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710997414.XA CN107485940A (en) | 2017-10-16 | 2017-10-16 | A kind of purifying formaldehyde tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710997414.XA CN107485940A (en) | 2017-10-16 | 2017-10-16 | A kind of purifying formaldehyde tower |
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| CN112841710A (en) * | 2021-01-06 | 2021-05-28 | 黔南州烟草公司独山县分公司 | Open-air cultivation and modulation method of cigar wrapper tobacco leaves |
| WO2021126863A1 (en) * | 2019-12-17 | 2021-06-24 | Emerson Process Management Regulator Technologies, Inc. | Plates and plate assemblies for noise attenuators and other devices and methods making the same |
| WO2021126862A1 (en) * | 2019-12-17 | 2021-06-24 | Emerson Process Management Regulator Technologies, Inc. | Plates and plate assemblies for noise attenuators and other devices and methods making the same |
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