CN208757257U - Gas absorbing device and impure selenium production system - Google Patents
Gas absorbing device and impure selenium production system Download PDFInfo
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- CN208757257U CN208757257U CN201820744578.1U CN201820744578U CN208757257U CN 208757257 U CN208757257 U CN 208757257U CN 201820744578 U CN201820744578 U CN 201820744578U CN 208757257 U CN208757257 U CN 208757257U
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Abstract
The utility model discloses a kind of gas absorbing device and impure selenium production systems, gas absorbing device includes: absorption chamber, partition, the first communicating passage and the second communicating passage, absorption chamber is separated out at least two sub-chamber by partition from bottom to top, absorption chamber includes the gas access for being passed through gas to be absorbed, it further include the first absorbing liquid entrance for being passed through absorbing liquid, it is provided with the first communicating passage for gas to be absorbed circulation between adjacent Liang Ge sub-chamber, the second communicating passage for liquid communication is provided between adjacent Liang Ge sub-chamber.Gas to be absorbed enters each sub-chamber, gas to be absorbed is substantially prolonged in the absorbing cavity indoor residence time, to extend the time of contact of absorbing liquid Yu gas to be absorbed, so that the abundant absorbed liquid of gas to be absorbed is absorbed, to enhance absorbing liquid to the assimilation effect of gas to be absorbed, absorption efficiency is improved, and then improves the efficiency of impure selenium production system production impure selenium.
Description
Technical field
The utility model belongs to pot type absorber technology field, and in particular to a kind of gas absorbing device and impure selenium production system
System.
Background technique
Important manufacture material one of of the selenium as copper indium gallium selenide (CIGS) thin-film solar cells, strategy letter with higher
It is slightly worth, a large amount of chamber waste material can be generated during producing CIGS thin film solar battery, wherein selenium occupies higher ratio
Example, therefore same receipts selenium economic value with higher is returned from chamber material.Selenium does not have in nature as a kind of dissipated metal
There is independent deposit, is at present the common method for producing impure selenium using oxidizing roasting-precipitate reduction, concrete technology is to be inhaled using water
It receives selenium dioxide flue gas and generates selenous acid solution, the method for then taking sulphur dioxide reduction prepares impure selenium.
Mass production experience have shown that, the absorptivity of absorption plant directly affects the rate of recovery of selenium.Present reactor is mostly tank
Formula absorber causes selenium dioxide residence time in absorbing liquid too short, and conversion is not thorough, and influences the absorption effect of selenium dioxide
Fruit causes unnecessary loss.
Utility model content
Technical problem to be solved in the utility model is aiming at the above shortcomings existing in the prior art, to provide a kind of gas
Body absorption plant and impure selenium production system, solve the technical problems existing in the prior art, and the gas in the utility model is inhaled
Gas to be absorbed in the receiving apparatus residence time in absorbing liquid is long, good absorption effect of the absorbing liquid to gas to be absorbed.
It solves technical solution used by the utility model technical problem and is to provide a kind of gas absorbing device, comprising: inhale
Chamber, partition, the first communicating passage and the second communicating passage are received, absorption chamber is separated out at least two sons by partition from bottom to top
Chamber, absorption chamber include the gas access for being passed through gas to be absorbed, and absorption chamber further includes for being passed through absorbing liquid
First absorbing liquid entrance is provided with the first communicating passage for gas to be absorbed circulation, phase between adjacent Liang Ge sub-chamber
The second communicating passage for liquid communication is provided between adjacent Liang Ge sub-chamber.
Optionally, the gas absorbing device further includes the first check valve, is provided with first in the first communicating passage
The gas access of check valve, gas to be absorbed is set in the sub-chamber of bottom, and the first check valve is for controlling gas to be absorbed
Body is under preset pressure from the sub-chamber of adjacent lower section to sub-chamber's one-way flow of its adjacent top.
Optionally, the first communicating passage passes through partition.
Optionally, the first communicating passage includes inverted u-shaped the first communicating passage main body and is respectively arranged at first
The first communicating passage first end, the first communicating passage second end of communicating passage body openings, the first communicating passage main body, first
Communicating passage first end is located in the same sub-chamber, partition of the first communicating passage first end apart from sub-chamber bottom where it
Distance be preset distance, the partition of sub-chamber bottom where the first communicating passage second end passes through the first communicating passage main body
It is connected to the sub-chamber of adjacent lower section.
Optionally, the gas absorbing device further includes second one-way valve, is provided with second in the second communicating passage
Check valve, the first absorbing liquid entrance are set in the sub-chamber of the top, and second one-way valve is for controlling absorbing liquid by adjacent
Sub-chamber one-way flow of the sub-chamber of top to its adjacent lower section.
Optionally, the gas absorbing device further includes the second absorbing liquid entrance, except positioned at the most upper of absorption chamber
Outside the sub-chamber of side, remaining at least one sub-chamber is provided with the second absorbing liquid entrance for being passed through absorbing liquid.
Optionally, the second communicating passage is set to outside absorption chamber, one end of the second communicating passage and adjacent sub- chamber
One in the room sub-chamber's connection being located above and the connectivity part are located at the lower part of the sub-chamber, and the second communicating passage is in addition
One end is connected to another underlying sub-chamber in adjacent sub-chamber and the connectivity part is located at the upper of the sub-chamber
Portion.
Optionally, gas absorbing device further includes rabbling mechanism, and rabbling mechanism, rabbling mechanism are provided in absorption chamber
Including agitating shaft and agitating paddle, agitating shaft passes through partition and enters in sub-chamber, and agitating paddle is provided on agitating shaft.
Optionally, partition is n block, and absorption chamber is divided into n+1 sub-chamber, n=3~5.
Optionally, the filler for adsorbing gas to be absorbed is provided at least one sub-chamber.
Optionally, gas absorbing device further includes the explosion relief valve for preventing explosion, and explosion relief valve is set to
In the sub-chamber of the top of absorption chamber.
The utility model also provides a kind of impure selenium production system, comprising:
Gas absorbing device is above-mentioned gas absorbing device, and gas absorbing device is used to absorb selenium dioxide flue gas,
Obtain selenous acid solution；
Reduction apparatus is connect with gas absorbing device, and the selenous acid solution in gas absorbing device is flowed into reduction apparatus
Interior, selenous acid solution is reacted with the sulfur dioxide being passed into reduction apparatus generates impure selenium.
The gas absorbing device of the utility model includes at least two sub-chamber, and gas to be absorbed enters each sub-chamber,
Gas to be absorbed is substantially prolonged in the absorbing cavity indoor residence time, to extend the contact of absorbing liquid with gas to be absorbed
Time, so that the abundant absorbed liquid of gas to be absorbed is absorbed, thus enhance absorbing liquid to the assimilation effect of gas to be absorbed,
Improve absorption efficiency.Gas absorbing device improves absorbing liquid and absorbs the efficiency of selenium dioxide flue gas, and then improves impure selenium
The efficiency of production system production impure selenium.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the gas absorbing device and impure selenium production system in the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of the gas absorbing device and impure selenium production system in the utility model embodiment 2；
Fig. 3 is the structural schematic diagram of the first communicating passage in the utility model embodiment 2.
In figure: 1- absorption chamber；2- partition；3- sub-chamber；The gas access 4-；5- the first absorbing liquid entrance；6- first connects
Circulation passage；The second communicating passage of 7-；8- rabbling mechanism；9- agitating shaft；10- agitating paddle；11- explosion relief valve；12- absorption chamber
Outlet；13- restores chamber；14- restores chamber ingress；15- restores chamber absorbing liquid entrance；16- sulfur dioxide air inlet pipe；17-
Restore chamber rabbling mechanism；18- restores chamber explosion relief valve；19- restores chamber outlet；20- the first communicating passage main body；
21- the first communicating passage first end；22- the first communicating passage second end；23- the second absorbing liquid entrance.
Specific embodiment
It is with reference to the accompanying drawing and specific real to make those skilled in the art more fully understand the technical solution of the utility model
Mode is applied to be described in further detail the utility model.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of gas absorbing devices, comprising: absorption chamber 1, partition 2, first are connected to
Absorption chamber 1 is separated out at least two sub-chamber 3, absorption chamber 1 by channel 6 and the second communicating passage 7, partition 2 from bottom to top
Including the gas access 4 for being passed through gas to be absorbed, absorption chamber 1 further includes entering for being passed through the first absorbing liquid of absorbing liquid
Mouthfuls 5, the first communicating passage 6 for gas to be absorbed circulation, two adjacent sons are provided between adjacent Liang Ge sub-chamber 3
The second communicating passage 7 for liquid communication is provided between chamber 3.
The gas absorbing device of the present embodiment includes at least two sub-chamber 3, and gas to be absorbed enters each sub-chamber 3,
Residence time of the gas to be absorbed in absorption chamber 1 is substantially prolonged, to extend connecing for absorbing liquid and gas to be absorbed
The time is touched, so that the abundant absorbed liquid of gas to be absorbed is absorbed, the absorption of gas to be absorbed is imitated to enhance absorbing liquid
Fruit improves absorption efficiency.Gas absorbing device improves absorbing liquid and absorbs the efficiency of selenium dioxide flue gas, and then improves thick
The efficiency of selenium production system production impure selenium.
Specifically, the connection of gas access 4 has the air inlet pipe of air intake control valve in the present embodiment outside absorption chamber 1, and
Air intake control valve is check valve, the absorption liquid pipe that the connection of the first absorbing liquid entrance 5 absorbs hydraulic control valve with first.
Optionally, the gas absorbing device further includes the first check valve, is provided with first in the first communicating passage 6
The gas access 4 of check valve, gas to be absorbed is set in the sub-chamber 3 of bottom, and the first check valve is to be absorbed for controlling
Gas is under preset pressure from the sub-chamber 3 of adjacent lower section to 3 one-way flow of sub-chamber of its adjacent top.Specifically
, the first check valve is the one-way pressure valve controlled with pressure, and the first communicating passage 6 is the liquid stream with one-way pressure valve
Pipe.
Optionally, the first communicating passage 6 passes through partition 2.Specifically, in the present embodiment the first communicating passage 6 one end
Height be higher than its partition 2 for passing through.Due to gravity, the absorbing liquid in the sub-chamber 3 of 2 top of partition can gather sub- chamber
The bottom of room 3, when being not provided with the first check valve in the first communicating passage 6, as long as the liquid level of absorbing liquid is not higher than across bottom
The height of one end of the first communicating passage 6 of partition 2, then absorbing liquid just will not enter the first communicating passage 6 and be flowed into lower section
In adjacent sub-chamber 3, gas to be absorbed is flowed by the sub-chamber 3 of the lower section of partition 2 by the first communicating passage 6 adjacent upper
The sub-chamber 3 of side.Specifically, the first check valve is provided in the first communicating passage 6 in the present embodiment, when the sub-chamber of lower section
Gas to be absorbed in 3 reaches preset pressure, then the first check valve is opened, and gas to be absorbed is by the sub-chamber 3 below partition 2
It is flowed into the sub-chamber 3 of adjacent top by the first communicating passage 6, when the liquid level of absorbing liquid is higher than across bottom baffles 2
The first communicating passage 6 one end height, gas to be absorbed directly passes through the first communicating passage 6 and is passed into absorbing liquid, more
Added with gas to be absorbed and absorbing liquid gas-liquid contact is conducive to, increase gas liquid interfacial area, enhances assimilation effect.Gas to be absorbed
Gas access 4 is set in the sub-chamber 3 of bottom, gas to be absorbed by gas absorbing device bottom a sub-chamber
3 successively enter remaining all sub-chamber 3 from bottom to top, and gas to be absorbed is all the bottom for being introduced into remaining sub-chamber 3,
Be conducive to the absorption of the absorbing liquid of the bottom of remaining sub-chamber 3 to the gas to be absorbed of entrance, so that absorbing more complete.
Optionally, the gas absorbing device further includes second one-way valve, is provided with second in the second communicating passage 7
Check valve, the first absorbing liquid entrance 5 are set in the sub-chamber 3 of the top, and second one-way valve is for controlling absorbing liquid by adjacent
Top 3 one-way flow of sub-chamber from sub-chamber 3 to its adjacent lower section.Optionally, the first absorbing liquid entrance 5 is located at it
The middle and upper part of the sub-chamber 3 at place, the absorbing liquid convenient for being passed through by the first absorbing liquid entrance 5 drench gas to be absorbed
It washes.
Optionally, the gas absorbing device further includes the second absorbing liquid entrance 23, except be located at absorption chamber 1 most
Outside the sub-chamber 3 of top, remaining at least one sub-chamber 3 is provided with the second absorbing liquid entrance 23 for being passed through absorbing liquid.
It should be noted that the absorption liquid pipe that the connection of the second absorbing liquid entrance 23 absorbs hydraulic control valve with second.Optionally, second
Absorbing liquid entrance 23 is located at the middle and upper part of the sub-chamber 3 where it, and the absorption of sub-chamber 3 is entered by the second absorbing liquid entrance 23
Liquid from top to bottom elutes the gas to be absorbed in sub-chamber 3.It, can be with by increasing the quantity of the second absorbing liquid entrance 23
Increase the total amount for entering the absorbing liquid of gas absorbing device.Gas absorbing device is absorbed including the first absorbing liquid entrance 5, second
Liquid entrance 23 can individually control sub-chamber 3 flow for the absorbing liquid being passed through in it to the independent supplement absorbing liquid of sub-chamber 3
And flow velocity.Gas to be absorbed in uphill process, can react in absorption chamber 1 with new absorbing liquid, improve absorption efficiency.
Optionally, the second communicating passage 7 is set to outside absorption chamber 1, one end of the second communicating passage 7 and adjacent son
One in chamber 3 connection of sub-chamber 3 being located above and the connectivity part are located at the lower part of the sub-chamber 3, the second communicating passage 7
Other end be connected to another underlying sub-chamber 3 in adjacent sub-chamber 3 and the connectivity part is located at the son
The top of chamber 3.Specifically, the second communicating passage 7 is the fluid flow tube with one-way pressure valve, absorbing liquid is in adjacent sub-chamber
The congregate of one in 3 sub-chamber 3 being located above leads to when the liquid level of absorbing liquid reaches the sub-chamber 3 and is connected to second
The connectivity part in road 7, then absorbing liquid is flowed into the second communicating passage 7, be continuously introduced to adjacent underlying sub-chamber 3 with
The connectivity part of second communicating passage 7, into the top of adjacent underlying sub-chamber 3, absorbing liquid is from the top of sub-chamber 3
Gas to be absorbed in the sub-chamber 3 is eluted, absorbing liquid inversely contacts leaching in the sub-chamber 3 with gas to be absorbed
It washes, strengthens and absorb.
Optionally, gas absorbing device further includes rabbling mechanism 8, and rabbling mechanism 8 is provided in absorption chamber 1, stirring
Mechanism 8 includes agitating shaft 9 and agitating paddle 10, and agitating shaft 9 passes through partition 2 and enters in sub-chamber 3, and stirring is provided on agitating shaft 9
Paddle 10.Rabbling mechanism 8 stirs absorbing liquid in absorption chamber 1, is conducive to absorption gas and is uniformly mixed in absorbing liquid, accelerates to inhale
Receive absorption of the liquid to gas is absorbed.Agitating shaft 9 in each sub-chamber 3 can by the agitating paddle 10 that is arranged on agitating shaft 9 into
Row stirring, by the rotation of an agitating shaft 9, so that realizing stirring in each sub-chamber 3.
Optionally, partition 2 is n block, and absorption chamber 1 is divided into n+1 sub-chamber 3, n=3~5.Specifically, this reality
Applying the partition 2 in example is 3 pieces, absorption chamber 1 is divided into 4 sub-chamber 3, gas absorbing device is imitated with optimal absorption
Fruit.In gas absorbing device, gas to be absorbed sequentially enters each sub-chamber 3 from top to bottom, and absorbing liquid flows through from top to bottom
Sub-chamber 3, absorbing liquid absorb the gas to be absorbed being passed into it in each sub-chamber 3, and gas to be absorbed and absorbing liquid are inverse
To contact, strengthens and absorb.
Optionally, the filler for adsorbing gas to be absorbed is provided at least one sub-chamber 3.It needs to illustrate
It is to be provided with the filler for adsorbing gas to be absorbed in the present embodiment in each sub-chamber 3.Pass through filling adsorption gas to be absorbed
Body extends residence time of the gas to be absorbed in sub-chamber 3, enhances suction of the absorbing liquid for gas to be absorbed in sub-chamber 3
It produces effects fruit.
Optionally, gas absorbing device further includes the explosion relief valve 11 for preventing explosion, and explosion relief valve 11 is set
It is placed in the sub-chamber 3 of the top of absorption chamber 1.
The present embodiment also provides a kind of impure selenium production system, comprising:
Gas absorbing device is above-mentioned gas absorbing device, and gas absorbing device is used to absorb selenium dioxide flue gas,
Obtain selenous acid solution；
Reduction apparatus is connect with gas absorbing device, and the selenous acid solution in gas absorbing device is flowed into reduction apparatus
Interior, selenous acid solution is reacted with the sulfur dioxide being passed into reduction apparatus generates impure selenium.
Specifically, the middle and lower part of the sub-chamber 3 of the bottom of the gas absorbing device in the present embodiment is provided with absorbing cavity
Room outlet 12, reduction apparatus include reduction chamber 13, restore and are provided with reduction chamber ingress 14 on chamber 13, absorption chamber outlet
12 are connect with reduction chamber ingress 14 by pipeline, are provided with check valve on the pipeline.Selenous acid solution is in gas absorbing device
Bottom sub-chamber 3 in assemble, when selenous acid solution liquid level reach absorption chamber outlet 12, then selenous acid solution flow into
Into reduction chamber 13.Reduction chamber absorbing liquid entrance 15, sulfur dioxide air inlet pipe 16, dioxy are additionally provided on reduction chamber 13
Change sulphur air inlet pipe 16 and has air intake control valve, the reduction connection reduction chamber absorbing liquid inlet tube of chamber absorbing liquid entrance 15, reduction
Chamber absorbing liquid inlet tube has liquid inlet control valve, and reduction chamber absorbing liquid entrance 15 is used to be passed through reduction into reduction chamber 13
Chamber absorbing liquid, the specific chamber absorbing liquid that restores is water, and sulfur dioxide air inlet pipe 16 is used to be passed through two into reduction chamber 13
Sulfur oxide gas restores chamber absorbing liquid entrance 15 in the top of sulfur dioxide air inlet pipe 16.Reduction chamber absorbing liquid is for inhaling
Selenium dioxide gas is received, even if there is selenium dioxide gas not to be absorbed by liquid absorption in absorption chamber 1, selenium dioxide gas enters
It can be further absorbed after reduction chamber 13, greatly ensure that the rate of recovery of selenium.Reduction chamber is additionally provided in reduction chamber 13
Rabbling mechanism 17, reduction chamber rabbling mechanism 17 include the agitating paddle of twayblade, pass through 17 pairs of sub- selenium of reduction chamber rabbling mechanism
Acid solution, reduction chamber absorbing liquid are stirred, and selenous acid solution reacts life with the sulfur dioxide being passed into reduction chamber 13
At impure selenium.Specifically, the reduction apparatus in the present embodiment further includes the reduction chamber anti-explosion safety being set on reduction chamber 13
Valve 18, reduction chamber explosion relief valve 18 explode in reduction chamber 13 for preventing, and enhance the safety of reduction apparatus
And air-tightness, prevent the excessive of selenium dioxide and sulfur dioxide gas.Reduction apparatus in the present embodiment further includes being set to also
The reduction chamber outlet 19 of former 13 bottom of chamber, impure selenium are discharged by reduction chamber outlet 19.
Absorption chamber 1, reduction chamber 13 are tube bundle structure, and the height of absorption chamber 1 and the ratio of diameter are
The ratio of 8:1, the height and diameter that restore chamber 13 are 6:1, and the long and narrow ratio of absorption chamber 1 makes selenium dioxide better
It is reacted with absorbing liquid, the long and narrow ratio of reduction chamber 13 reacts selenous acid preferably with sulfur dioxide.
When operation, first opens first in the absorption liquid pipe of the first absorbing liquid entrance 5 connection and absorb hydraulic control valve, the second suction
Second received in the absorption liquid pipe that liquid entrance 23 connects absorbs hydraulic control valve, is put into a certain amount of absorbing liquid in each sub-chamber 3
First is closed afterwards absorbs hydraulic control valve, the second absorption hydraulic control valve.Then the air inlet in the air inlet pipe that gas access 4 connects is opened
Control valve, and linkage rabbling mechanism 8, selenium dioxide flue gas enter from 1 bottom of absorption chamber, start the sub-chamber in bottom
Absorbing reaction occurs in 3, when being enriched with to a certain extent since pressure acts on, the first check valve with pressure control is opened,
Selenium dioxide gas rises in the sub-chamber 3 for reaching neighbouring top, completes second level absorbing reaction, and so on, until
Up to the sub-chamber 3 of the top.When the first check valve is opened, while in the absorption liquid pipe that the first absorbing liquid entrance 5 is connected
First absorb hydraulic control valve open, the second absorbing liquid entrance 23 connection absorptions liquid pipe on second absorb hydraulic control valve beats
It opens, absorbing liquid is added into absorption chamber 1, when the pressure in the sub-chamber 3 of the top reaches a certain level, the second connection is logical
Second one-way valve on road 7 is opened, and simultaneously closes off the air intake control valve in the air inlet pipe of the connection of gas access 4.Absorbing liquid is logical
Cross the sub-chamber 3 that the second communicating passage 7 flows into adjacent lower section, and so on form absorbing liquid the adverse current of gas to be absorbed inhaled
Receipts process.When absorbing liquid flows to bottom sub-chamber 3, absorbing liquid has absorbed titanium dioxide selenium and has obtained selenous acid solution,
The check valve on pipeline between absorption chamber outlet 12 and reduction chamber ingress 14 is opened, and completes the selenous acid of absorption process
Solution flow direction reduction chamber 13, opens simultaneously on the reduction chamber absorbing liquid inlet tube that reduction chamber absorbing liquid entrance 15 connects
Liquid inlet control valve and reduction chamber rabbling mechanism 17.When solution in chamber 13 to be restored reaches certain liquid level, titanium dioxide is opened
Air intake control valve in sulphur air inlet pipe 16 carries out restoring heavy selenium reaction, to close all valves after reaction, opens reduction chamber
The valve of room outlet 19, obtains impure selenium product after filtering.
Embodiment 2
As shown in Fig. 2, the area the present embodiment provides a kind of gas absorbing device, with the gas absorbing device in embodiment 1
Not are as follows: as shown in figure 3, be not provided with the first check valve in the first communicating passage 6, the first communicating passage 6 includes inverted u-shaped the
One communicating passage main body 20 and it is respectively arranged at the first communicating passage first end 21 of the first communicating passage main body 20 opening, the
One communicating passage second end 22, the first communicating passage main body 20, the first communicating passage first end 21 are located at the same sub-chamber 3
Interior, distance of the first communicating passage first end 21 apart from the partition 2 of 3 bottom of sub-chamber where it is preset distance, and first connects
Circulation passage second end 22 passes through the partition 2 of 20 place sub-chamber of the first communicating passage main body, 3 bottom and the sub- chamber of adjacent lower section
Room 3 is connected to.Connect specifically, the internal diameter that the first communicating passage first end 21 in the present embodiment is open is greater than connected to it first
The internal diameter of circulation passage main body 20.The absorbing liquid in sub-chamber 3 where first communicating passage main body 20, the only liquid level of absorbing liquid
Exceed the first U-shaped communicating passage main body 20, absorbing liquid can just flow into the sub-chamber of adjacent lower section by the first communicating passage 6
In 3.Even if being not provided with the first check valve in the first communicating passage 6, absorbing liquid is also not easy to flow into the sub-chamber 3 of adjacent lower section
It is interior, absorbing liquid can be made to stop the longer time in sub-chamber 3, gas to be absorbed is absorbed, and gas to be absorbed can be with
It is flowed in each sub-chamber 3 by arbitrary first communicating passage 6.
The utility model also provides a kind of impure selenium production system, the difference with the impure selenium production system in embodiment 1 are as follows: packet
Gas absorbing device is included, is the gas absorbing device in the present embodiment.
It is understood that embodiment of above is merely to illustrate that the principles of the present invention and uses exemplary
Embodiment, however the utility model is not limited thereto.For those skilled in the art, this is not being departed from
In the case where the spirit and essence of utility model, various changes and modifications can be made therein, these variations and modifications are also considered as this reality
With novel protection scope.
Claims (10)
1. a kind of gas absorbing device characterized by comprising absorption chamber, partition, the first communicating passage and second are connected to logical
Absorption chamber is separated out at least two sub-chamber by road, partition from bottom to top, and absorption chamber includes for being passed through gas to be absorbed
Gas access, absorption chamber further includes the first absorbing liquid entrance for being passed through absorbing liquid, between adjacent Liang Ge sub-chamber
It is provided with the first communicating passage for gas to be absorbed circulation, is provided between adjacent Liang Ge sub-chamber for liquid communication
The second communicating passage.
2. gas absorbing device according to claim 1, which is characterized in that further include the first check valve, the first connection is logical
The first check valve is provided on road, the gas access of gas to be absorbed is set in the sub-chamber of bottom, and the first check valve is used
In controlling, gas to be absorbed is unidirectional from the sub-chamber of adjacent lower section to the sub-chamber of its adjacent top under preset pressure
Flowing.
3. gas absorbing device according to claim 1 or 2, which is characterized in that the first communicating passage passes through partition.
4. gas absorbing device according to claim 3, which is characterized in that the first communicating passage includes inverted u-shaped
One communicating passage main body and be respectively arranged at the first communicating passage first end of the first communicating passage body openings, first connection
Channel second end, the first communicating passage main body, the first communicating passage first end are located in the same sub-chamber, the first communicating passage
Distance of the first end apart from the partition of sub-chamber bottom where it is preset distance, and the first communicating passage second end passes through first
The partition of sub-chamber bottom is connected to the sub-chamber of adjacent lower section where communicating passage main body.
5. gas absorbing device according to claim 1, which is characterized in that further include second one-way valve, the second connection is logical
Second one-way valve is provided on road, the first absorbing liquid entrance is set in the sub-chamber of the top, and second one-way valve is for controlling
Sub-chamber one-way flow of the absorbing liquid from the sub-chamber of adjacent top to its adjacent lower section.
6. gas absorbing device according to claim 5, which is characterized in that further include the second absorbing liquid entrance, except being located at
Outside the sub-chamber of the top of absorption chamber, remaining at least one sub-chamber is provided with the second absorption for being passed through absorbing liquid
Liquid entrance.
7. according to claim 1, gas absorbing device described in 5 or 6, which is characterized in that the second communicating passage is set to absorption
Outside chamber, one end of the second communicating passage is connected to a sub-chamber being located above in adjacent sub-chamber and the connectivity part
Positioned at the lower part of the sub-chamber, the other end of the second communicating passage and another in adjacent sub-chamber are underlying
Sub-chamber's connection and the connectivity part are located at the top of the sub-chamber.
8. gas absorbing device according to claim 1, which is characterized in that further include rabbling mechanism, set in absorption chamber
It is equipped with rabbling mechanism, rabbling mechanism includes agitating shaft and agitating paddle, and agitating shaft passes through partition and enters in sub-chamber, sets on agitating shaft
It is equipped with agitating paddle.
9. according to claim 1, gas absorbing device described in 2,4,5,6,8 any one, which is characterized in that partition is n block,
Absorption chamber is divided into n+1 sub-chamber, n=3~5.
10. a kind of impure selenium production system characterized by comprising
Gas absorbing device, is gas absorbing device described in any one of claim 1 to 9, and gas absorbing device is used for
Selenium dioxide flue gas is absorbed, selenous acid solution is obtained；
Reduction apparatus is connect with gas absorbing device, and the selenous acid solution in gas absorbing device is flowed into reduction apparatus, sub-
Selenic acid solution is reacted with the sulfur dioxide being passed into reduction apparatus generates impure selenium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820744578.1U CN208757257U (en) | 2018-05-18 | 2018-05-18 | Gas absorbing device and impure selenium production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820744578.1U CN208757257U (en) | 2018-05-18 | 2018-05-18 | Gas absorbing device and impure selenium production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208757257U true CN208757257U (en) | 2019-04-19 |
Family
ID=66126993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820744578.1U Active CN208757257U (en) | 2018-05-18 | 2018-05-18 | Gas absorbing device and impure selenium production system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208757257U (en) |
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2018
- 2018-05-18 CN CN201820744578.1U patent/CN208757257U/en active Active
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