CN205965410U - Waste gas purification tower - Google Patents
Waste gas purification tower Download PDFInfo
- Publication number
- CN205965410U CN205965410U CN201620783254.XU CN201620783254U CN205965410U CN 205965410 U CN205965410 U CN 205965410U CN 201620783254 U CN201620783254 U CN 201620783254U CN 205965410 U CN205965410 U CN 205965410U
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- CN
- China
- Prior art keywords
- tower
- gas
- king
- dehumidifying
- waste gas
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a waste gas purification tower, including the king -tower, the bottom of king -tower is provided with the air inlet, and its top is provided with the gas outlet, be provided with the spray set who is used for the gas washing in the king -tower, be connected with the fairlead on the gas outlet, be provided with a magenetic exchange valve on the fairlead, it is including gas feed, electro -magnet and two gas outlets with fairlead intercommunication, two gas outlets are used for the top and the blast pipe of intercommunication to the tower that dehumidifies respectively, be provided with one on gas outlet or the fairlead and be used for detecting gas outlet gas humidity's humidity transducer and export control signal, this control signal control the electro -magnet switching -over selects one of two gas outlets to switch on with gas feed.
Description
Technical field
This utility model is related to a kind of emission-control equipment, particularly to a kind of Tower for purifying waste gas.
Background technology
At present, gas and dust pollution are important sources of air pollution, are also the source of city haze.Therefore,
Industrial site and laboratory etc. be required to introduce off-gas cleaning equipment, with discharge waste gas in the air before filtered
And purification, with the waste gas preventing from discharging, air is polluted.
General discarded purification apparatus have moisture film tower, packed tower, rotating stream tray scrubber and spray column etc., several waste gas towers
It is required to use liquid and washes to introducing the waste gas in tower body, but the steam discharging waste gas tower is unsuitable overweight, otherwise, row
Substantial amounts of gas washing medicinal liquid droplet can be taken out of it is difficult to secondary pollution can be caused with avoiding in the gas going out.
For this problem, Authorization Notice No. is that the complexity disclosed in the utility model patent of CN 201140029Y is organic
Waste gas absorption purifier, is just provided with demisting plate and the demisting for the fog in discharge gas at the top of its purifier
Net.Except above-mentioned demister pattern, filling dehumidifying filler in setting Pall ring or hila ring in waste gas tower also, and by it
Be arranged on spraying layer, with before flowing out in gas, it is dehumidified.
But, when air inflow is larger, the air pressure in tower is larger, and gas is still unavoidable after flowing through dehumidification structure to be carried in a large number
Dampness, these dampnesss can affect it is even more important that setting gas washing and dehumidifying to next link of gas treatment
Put in a tower body, after bottom of towe enters in tower body, spray gas washing makes gas flow rate reduce once to waste gas, when having arrived tower top,
Gas flow rate can be reduced by intensive dehumidifying filler again again, and when admission pressure is less, gas is difficult to naturally drain under entering
One processing links.
Utility model content
The purpose of this utility model is to provide a kind of waste gas carrying out after drying according to discharge gas humidity selectivity
Purifying column.
Above-mentioned purpose of the present utility model technical scheme is that：A kind of Tower for purifying waste gas, including
There is king-tower, the bottom of described king-tower is provided with air inlet, and its top is provided with gas outlet, is provided with for gas washing in described king-tower
Spray equipment, described gas outlet is connected with fairlead, described fairlead is provided with a solenoid directional control valve, its include with
The gas feed of fairlead connection, electric magnet and Liang Ge gas outlet, described two gas outlets are respectively used to be communicated to and remove
The top of wet tower and exhaustor, described gas outlet or fairlead are provided with one and pass for detecting the humidity of gas outlet gas humidity
Sensor output control signal, this control signal controls described electric magnet commutation to select one of Liang Ge gas outlet and gas feed
Conducting.
By adopting technique scheme, it is provided separately dehumidifying with gas washing by the setting of the tower that dehumidifies, that is, in king-tower only
Carry out purge of gas, remove harmful substance, the work of dehumidifying is given dehumidifying tower to complete, to avoid the tower top setting in king-tower to remove
Wet device affects king-tower aerofluxuss；When the air inflow of air inlet is less, from the air that king-tower is discharged, water content will not be to environment
Cause great impact, emission by exhaust pipe can be passed through in the air from the angle improving purification efficiency, and for air inlet
Amount is big, take dampness out of more than gas, then need to force it to enter in dehumidifying tower and dehumidified, this selection gist gas outlet is discharged
Gas humidity determine, that is, the testing result of humidity sensor, when gas humidity reaches the setting value of humidity sensor,
It sends control signal to solenoid directional control valve, to control it to select one of Liang Ge gas outlet and gas feed conducting, thus
Selected between direct exclusion and dehumidifying.According to the humidity value selectivity dehumidifying of aerofluxuss, can effectively improve at waste gas
The efficiency of reason, and ensure that discharge gas does not cause any burden to environment simultaneously.
Preferably, the air inlet of described king-tower bottom is additionally provided with a deflector, described deflector is along bottom of towe to tower top
Direction angularly disposed.
By adopting technique scheme, after angularly disposed deflector introduces exhaust gas into, it can be made to bump against king-tower
Inwall after formed gas cyclone, to extend the time of staying in king-tower for the waste gas it is ensured that spray equipment is carried out sufficiently to it
Process.
Preferably, described spray equipment includes the screw spraying pipe being arranged at described king-tower center of inside position, described
Direction is extended along on shower and is provided with some mouth sprays.
By adopting technique scheme, after king-tower is provided separately with dehumidifying tower, there is inside king-tower bigger space and use
In arrangement spray equipment, make full use of this space, shower is arranged curl, oblique introducing king-tower is interior and forms eddy flow
Waste gas move to tower top along spiral helicine shower from bottom of towe, each highly all has corresponding mouth spray gas washing, so, from tower
The gas outlet expellant gas on top more clean；Especially by the eddy flow direction controlling of gas to the hand of spiral phase with shower
Inverse time, the liquid that gas is sprayed with mouth spray can be made to clash into, with more fully gas washing.
Further, described screw spraying pipe is fixed with some spaced apart support bodys, if being distributed with described support body
Dry spray head.
By adopting technique scheme, support body arranges spray head, coordinate spiral shower, it is possible to obtain more
Sufficiently gas washing effect.
Preferably, described dehumidifying tower includes the spiral board being arranged at tower top and is arranged at and piles up formula below spiral board
Demister, described formula demister of piling up includes Pall ring or Raschig ring and is filled in filling out of dehumidifying therein
Material.
By adopting technique scheme, in the form of Pall ring or Raschig ring filling filler, can efficiently remove
Steam in gas, however, filler is to need periodic replacement, using spiral board as first order dehydrating unit, is existed using gas
The eddy flow of eddy flow plate surface generation and the condensation effect of plank thereon, can enter the big portion in the gas in dehumidifying tower
Divide moisture condensation and carried to the inwall of dehumidifying tower using air-flow, allow it to flow down along inwall, the gas after preliminary dehumidifying enters back into
Dehumidified in Pall ring or Raschig ring, to reduce the replacing number of times of filler.
Further, described dehumidifying tower includes inside and outside two-layer side wall, is formed with storage chamber, institute between the wall of described two-layer side
State and pile up formula demister and be arranged on internal layer sidewall, the edge of described spiral board extends in storage chamber, described dehumidifying bottom of towe
Portion is additionally provided with the discharge outlet of connection storage chamber.
By adopting technique scheme, when dampness is heavier in gas, spiral board can condense more condensed water, allow
Under this partial condensation water sticking wall flow, this part water can flow directly in filler, and dehumidifying tower is arranged to bilayer, the side of spiral board
Condensed water on edge is flowed directly into storage chamber and is discharged, to prevent condensed water to be directly entered in filler by the discharge outlet of bottom.
Preferably, described dehumidifying tower bottom is additionally provided with air extractor.
By adopting technique scheme, gas enters dehumidifying tower it was demonstrated that the air inflow in king-tower is larger, takes dampness out of relatively
Many, need gas flow to be processed is larger, and the admission pressure depending merely on king-tower bottom is less efficient, and increases the air inlet pressure of king-tower simply
Power, can lead to that in king-tower, gas flow rate is too fast, cause gas insufficient contact with spray liquid, therefore, air extractor is added to and removes
Wet tower bottom, only increases the flow velocity of the gas entering dehumidifying tower, first speed loss in king-tower for the compensation gas, another, increases
Flowing velocity in dehumidifying tower for the aerating body, improves dehumidification rate.
In sum, this utility model has the advantages that：The king-tower gas outlet being detected with appropriate sensor
Humidity value is foundation, and the gas after gas washing or directly discharge or independent dehumidifying are protected on the premise of gas washing efficiency is not lost
The gas that card enters king-tower reaches discharge standard.
Brief description
Fig. 1 is overall structure schematic diagram；
Fig. 2 is the front view of spiral board；
Fig. 3 is the circuit that humidity sensor controls electric magnet commutation.
In figure, 1, king-tower；10th, air inlet；11st, gas outlet；12nd, deflector；2nd, spray equipment；20th, screw spraying pipe；
21st, support body；22nd, spray head；3rd, fairlead；4th, solenoid directional control valve；40th, gas feed；41st, gas outlet one；42nd, gas outlet
Two；43rd, electric magnet；430th, solenoid；431st, back-moving spring；5th, dehumidify tower；50th, spiral board；51st, pile up formula demister；
52nd, internal layer sidewall；53rd, outer layer side wall；54th, storage chamber；55th, discharge outlet；6th, exhaustor；7th, humidity sensor；8th, air extractor.
Specific embodiment
Below in conjunction with accompanying drawing, this utility model is described in further detail.
Embodiment
A kind of Tower for purifying waste gas, as shown in fig. 1, includes king-tower 1, and its bottom is provided with air inlet 10, top setting
There is gas outlet 11, air inlet 10 is provided with the deflector 12 being obliquely installed from the bottom to top, enter king-tower 1 by air inlet 10
Interior gas forms eddy flow in tower, moves upwards under gas has along helix afterwards.
It is provided with the spray equipment 2 for removing noxious substance in gas, it includes and is arranged in king-tower 1 in king-tower 1
Mesotropic screw spraying pipe 20, it is twist arranged from the bottom to top, and, extends along direction thereon and be evenly equipped with some sprays
Liquid mouth, cooperation deflector 12 is introduced into the formed eddy flow of gas guiding, and the especially direction of rotation of the gas of eddy flow and spiral sprays
Shower pipe 20 oppositely oriented when, gas near screw spraying pipe 20 with mouth spray spray liquid clash into, with maximum limit
Degree strengthens the gas washing efficiency of king-tower 1.
For further enhancing the spray gas washing effect in king-tower 1, some support bodys 21 are provided with screw spraying pipe 20, its
On some spray heads 22 are distributed with, with king-tower 1 formed some spaced spraying layers, wherein, spray head 22 can select
With common shower nozzle or atomizer, play the effect of supplementary spray process with the spray to screw spraying pipe 20.
On king-tower 1, the one end near gas outlet 11 is provided with an arc necking（In figure marks, but permissible from Fig. 1
Will become apparent from）, for forming Venturi effect in this position of king-tower 1, the gas through this position is accelerated, with
Make its smooth discharge king-tower 1.
In king-tower 1, the one end near gas outlet 11 is additionally provided with spiral board 50a, for carrying out to the gas discharging king-tower 1
Preliminary eliminating water.
Connection setting fairlead 3 on gas outlet 11, to draw the gas in king-tower 1.On fairlead 3 or in gas outlet
11 are nearby provided with the humidity sensor 7 for detecting gas outlet 11 discharge gas humidity, need to arrange it according to gas discharge
Threshold value, temperature sensor 7 sends control signal after the humidity of gas outlet 11 is detected.
One solenoid directional control valve 4 is connected with fairlead 3, fairlead 3 is connected directly to the gas feed on solenoid directional control valve 4
On 40, its valve body is additionally provided with gas outlet 1 and gas outlet 2 42, both connect exhaustor 6 and dehumidifying tower 5 respectively,
The moisture signal that solenoid directional control valve 4 detects in response to humidity sensor, and according to this signal conduction gas feed 40 and gas
Export one 41 or gas outlet 2 42, when humidity sensor detects discharge gas humidity value and meets discharge standard, gas
When import 40 and gas outlet 1 conducting, gas is directly discharged by exhaustor 6；Conversely, exceeding when discharging gas humidity value
After threshold value, gas feed 40 is connected with gas outlet 2 42, introduces gas in dehumidifying tower 5 and is dehumidified.
It is provided with electric magnet 43 in solenoid directional control valve 4, outside it, be provided with the solenoid controlling electric magnet 43 action
430, when being energized in solenoid 430, electric magnet 43 moves up（Top shown in figure）, electric magnet 43 extruding its above
Back-moving spring 431, gas feed 40 connected with gas outlet 2 42；When humidity value recovers to setting value, back-moving spring
431 promotion electric magnet 43 reset, and gas feed 40 is turned on gas outlet 41.It should be noted that the structure of solenoid directional control valve 4
A lot, for ripe prior art, its structure is not limited to diagram and foregoing description, only provides one kind therein herein and realizes shape
Formula.
Dehumidifying tower 5 includes internal layer sidewall 52 and outer layer side wall 53, is folded with the storage chamber 54 of hollow between the two, is removing
Wet tower 5 inside is also equipped with spiral board 50b near the position of tower top, enters in the gas dehumidifying in tower 5 for preliminary removing
Water smoke, and, the edge of spiral board 50b extends in the storage chamber 54 between the wall of ectonexine side, will throw away on spiral board 50b
Water droplet be transferred in storage chamber 54, and, storage chamber 54 is being provided with discharge outlet 55 near one end of bottom of towe, stores for discharging
Water in water cavity 54.
Dehumidifying tower 5 spiral board 50b be arranged with some pile up formula demister 51, it is by Pall ring or Raschig ring
Interior filling filler is formed, for removing the water smoke in gas.For preventing gas flow rate in king-tower 1 internal loss it is difficult to pass through dehumidifying
Tower 5, is additionally provided with air extractor 8 in the bottom of dehumidifying tower 5, for the bottom drain to dehumidifying tower 5.
The basic structure of spiral board 50a and 50b is as shown in Figure 2.
As shown in Figure 3, provide humidity sensor 7 controls solenoid directional control valve 4 to obtain electric or dead electricity basic circuit herein
Principle, humidity is converted into a variable resistance by humidity sensor 7, and power source voltage Vcc is through resistance R1 and this variable-resistance point
After pressure, humidity sensor 7 both end voltage is filtered through electric capacity C, after removing harmonic wave therein, input comparator A's is negative defeated
Enter end as sampled voltage, after slide rheostat R2, the resistance between earth terminal and slide plate is divided electricity to the voltage of power Vcc
It is pressed into the positive input terminal into comparator A, as reference voltage, when sampled voltage is higher than reference voltage, the high electricity of comparator A output
Flat, solenoid 430 obtains electric, DM 43 action；Conversely, when sampled voltage is less than reference voltage, comparator A is defeated
Go out low level, solenoid 430 must not be electric, and electric magnet resets under the elastic force of back-moving spring 431.
This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model
Field technique personnel can make to the present embodiment after reading this specification as needed does not have the modification of creative contribution, but
As long as all being protected by Patent Law in right of the present utility model.
Claims (7)
1. a kind of Tower for purifying waste gas, includes king-tower (1), and the bottom of described king-tower (1) is provided with air inlet (10), and its top sets
It is equipped with gas outlet (11), be provided with the spray equipment (2) for gas washing in described king-tower (1), it is characterized in that, described gas outlet
(11) it is connected with fairlead (3) on, described fairlead (3) is provided with a solenoid directional control valve (4), it includes and fairlead
(3) gas feed (40), electric magnet (43) and the Liang Ge gas outlet connecting, described two gas outlets are respectively used to connect
To top and the exhaustor (6) of dehumidifying tower (5), described gas outlet (11) or fairlead (3) are provided with one and give vent to anger for detection
The humidity sensor (7) of mouth (11) gas humidity output control signal, this control signal controls described electric magnet (43) commutation
Select one of Liang Ge gas outlet and gas feed (40) conducting.
2. Tower for purifying waste gas according to claim 1, is characterized in that, the air inlet (10) of described king-tower (1) bottom is upper also
It is provided with a deflector (12), described deflector (12) is angularly disposed to the direction of tower top along bottom of towe.
3. Tower for purifying waste gas according to claim 2, is characterized in that, described spray equipment (2) include be arranged at described
The screw spraying pipe (20) of king-tower (1) center of inside position, described shower extends along direction and is provided with some mouth sprays.
4. Tower for purifying waste gas according to claim 3, is characterized in that, described screw spraying pipe (20) is fixed with some
Every the support body (21) of arrangement, on described support body (21), some spray heads (22) are distributed with.
5. Tower for purifying waste gas according to claim 1, is characterized in that, described dehumidifying tower (5) includes and is arranged at tower top
Spiral board (50) and be arranged at and pile up formula demister (51) below spiral board (50), described piles up formula demister (51)
The filler including Pall ring or Raschig ring and being filled in dehumidifying therein.
6. Tower for purifying waste gas according to claim 5, is characterized in that, described dehumidifying tower (5) includes ectonexine side wall
（52,53）, it is formed with storage chamber (54) between the wall of described two-layer side, described formula demister (51) of piling up is arranged at internal layer sidewall
(52) on, the edge of described spiral board (50) extends in storage chamber (54), and described dehumidifying tower (5) bottom is additionally provided with connection and stores
The discharge outlet (55) of water cavity (54).
7. the Tower for purifying waste gas according to claim 5 or 6, is characterized in that, described dehumidifying tower (5) bottom is additionally provided with pumping
Device (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620783254.XU CN205965410U (en) | 2016-07-22 | 2016-07-22 | Waste gas purification tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620783254.XU CN205965410U (en) | 2016-07-22 | 2016-07-22 | Waste gas purification tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205965410U true CN205965410U (en) | 2017-02-22 |
Family
ID=58026199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620783254.XU Expired - Fee Related CN205965410U (en) | 2016-07-22 | 2016-07-22 | Waste gas purification tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205965410U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631600A (en) * | 2017-11-03 | 2018-01-26 | 天津市三木森电炉股份有限公司 | A kind of fireproof material drying oven |
| CN108554107A (en) * | 2018-07-02 | 2018-09-21 | 姜玉欣 | A kind of dusty gas Wet-type spray filter collector |
-
2016
- 2016-07-22 CN CN201620783254.XU patent/CN205965410U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631600A (en) * | 2017-11-03 | 2018-01-26 | 天津市三木森电炉股份有限公司 | A kind of fireproof material drying oven |
| CN108554107A (en) * | 2018-07-02 | 2018-09-21 | 姜玉欣 | A kind of dusty gas Wet-type spray filter collector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20210722 |