CN109865385A - The device and process of two sections of binary processing flue gases - Google Patents
The device and process of two sections of binary processing flue gases Download PDFInfo
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- CN109865385A CN109865385A CN201910257108.1A CN201910257108A CN109865385A CN 109865385 A CN109865385 A CN 109865385A CN 201910257108 A CN201910257108 A CN 201910257108A CN 109865385 A CN109865385 A CN 109865385A
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Abstract
The invention discloses a kind of devices of two sections of binary processing flue gas, comprising: dry dust removal mechanism, wet dust removal mechanism, desulfurizing tower and absorption tower；The invention also discloses a kind of processes using corresponding device processing flue gas, comprising: S1, sulfur-containing smoke gas is passed through from the air inlet of the cabinet, successively by dry dust removal mechanism and wet dust removal mechanism, and the sulfur-containing smoke gas after obtaining dedusting；S2, it then the sulfur-containing smoke gas after dedusting is passed through in desulfurizing tower is contacted with sodium sulfide solution, the flue gas after obtaining the first absorbing liquid and first time sulphur removal；S3, it the flue gas after first time sulphur removal is passed through in absorption tower is contacted with sodium hydroxide solution, obtain the second absorbing liquid and purified gas.Present invention utilizes two kinds of desulfurization technologies, carry out desulfurization process to sulfur-containing smoke gas respectively in two stages in an orderly manner, improve desulfurization effect.
Description
Technical field
The present invention relates to chemical fields, specifically flue gas processing device.
Background technique
Contain a large amount of toxic and harmful gas, these toxic gas master in rotary kiln exhaust gas manufactured by modern industrial production
It to include SO2、H2S、NOx、NH3, sulfuric acid mist, dust etc..The prior art usually utilizes chemical method to handle these toxic gas,
And processing method is more single, can not be effectively removed to toxic gas.
Summary of the invention
It is an object of the invention to solve at least the above problems, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of device of two sections of binary processing flue gas, another object of the present invention
It is to provide a kind of process using aforementioned device processing flue gas, is mainly used for removing sulfurous gas.The device of the invention and
Two kinds of desulfurization technologies are utilized in method, carry out desulfurization process to sulfurous gas in two stages；The present invention can be improved at desulfurization
The effect of reason.
In order to realize these purposes and other advantages according to the present invention, a kind of dress of two sections of binary processing flue gas is provided
It sets, comprising:
Dry dust removal mechanism comprising: cabinet, filter bag, the first funnel, first spray head and vibrating mechanism, the cabinet
Lower part is equipped with air inlet, and the enclosure top is equipped with gas outlet, and the lower section that the cabinet inside is located at gas outlet will equipped with partition
Cabinet is divided into the exhaust space that is located above and underlying dedusting space, the filter bag be set in cabinet and be located at it is described every
The lower section of plate, the vibrating mechanism drive the filter bag to swing with certain frequency, and the filter bag is equipped with stomata for filtering cigarette
Gas, the partition are equipped with through-hole, the upper end of the filter bag be sheathed in the through-hole with by filtered flue gas from through-hole
It is discharged into the exhaust space, first funnel is connected to form the outlet of discharge cigarette ash with the bottom of the cabinet, described
First spray head is set to the lower surface of the partition, and the first spray head is connected to external air source and injection direction is towards the filter
Bag；
Wet dust removal mechanism comprising: condenser pipe and the second funnel, the air inlet of the condenser pipe by a pipeline with
The gas outlet of the cabinet is connected to, and the downside of the condenser pipe is connected to form the outlet of discharge soiling solution with second funnel,
Inner wall on the upside of the condenser pipe is equipped with multiple second spray heads, and the second spray head is connected to external water source, the second spray head
Injection direction towards the air inlet of the condenser pipe, be equipped with strainer at the air inlet of the condenser pipe and gas outlet；
Desulfurizing tower comprising the lower part of desulfurization tower body, the first spraying mechanism, the desulfurization tower body is equipped with air inlet, top
Equipped with gas outlet, bottom is equipped with leakage fluid dram, and the air inlet of the desulfurization tower body passes through the gas outlet of a pipeline and the condenser pipe
Connection, the spraying mechanism includes third spray head, the 4th spray head and the first anticorrosion cover, and first anticorrosion covers at institute
It states in desulfurizing tower body, the top of the first anticorrosion cover is connected with the top inner wall of the desulfurization tower body, first anti-corrosion
The top of erosion cover is equipped with through-hole and is connected to desulfurization tower body gas outlet to form the outlet of discharge gas, first anti-corrosion
The side wall lower ends for losing cover connect with the conflict of the side wall of the desulfurization tower body, and the third spray head is set to the first anticorrosion cover top
On the inner wall in portion, for the injection direction of the third spray head towards the lower part of desulfurization tower body, the 4th spray head is set to described first
On the inner sidewall of anticorrosion cover, the 4th spray head tilts upwards and injection direction is towards the inside of the first anticorrosion cover,
The third spray head, the 4th spray head are connected to external vulcanized sodium liquid source respectively；
Absorption tower comprising the lower part of absorption tower body, the second spraying mechanism, the absorption tower body is equipped with air inlet, top
Equipped with gas outlet, bottom is equipped with leakage fluid dram, and the air inlet of the absorption tower body passes through the outlet of a pipeline and the desulfurization tower body
Mouth connection, second leaching mechanism includes the 5th spray head and the second anticorrosion cover, and second anticorrosion covers at the suction
It receives in tower body, the top of the second anticorrosion cover is connected with the top inner wall of the absorption tower body, the second anticorrosion cover
Top be equipped with and through-hole and be connected to the absorption tower body gas outlet to form the outlet of discharge gas, the second anticorrosion cover
The side wall conflict of side wall lower ends and the absorption tower body connect, the 5th spray head is set at the top of the second anticorrosion cover
On inner wall, the injection direction of the 5th spray head is towards the lower part of absorption tower body, the 5th spray head and external caustic lye of soda
Source connection；
Wherein, the vibrating mechanism includes: fixed plate, sliding rail, sliding block, connecting rod, vibrating arm, oscillating plate and oil cylinder,
The fixed plate is horizontally located on the inner wall of the cabinet, and the sliding rail is set to the upper surface of the fixed plate, the sliding rail
On be slidably connected the sliding block, one end of the vibrating arm is hinged in the fixed plate, and hinge joint is located at sliding rail far from machine
The side of case side wall, the other end are extended at the filter bag and are connected with the oscillating plate, one end of the connecting rod with it is described
The middle part of vibrating arm is hinged, and the other end and the sliding block are hinged, and the piston rod of the sliding block and the oil cylinder is connected, the oil cylinder
It drives the sliding block reciprocating in sliding rail, moves the vibrating arm, oscillating plate in the horizontal plane.
Preferably, in the device of two sections of binary processing flue gas, the quantity of the vibrating mechanism is 2, wherein
The filter bag is clipped in the middle by two oscillating plates.
Preferably, in the device of two sections of binary processing flue gas, second funnel is close to condenser pipe gas outlet
The axis of side wall and the condenser pipe be mutually perpendicular to.
Preferably, in the device of two sections of binary processing flue gas, the quantity of the first spray head is even number, right
Claim the two sides for being set to the filter bag.
Preferably, the device of two sections of binary processing flue gas, which is characterized in that further include: it is opposite with desulfurizing tower
The first circulation pond answered and filter press, second circulation corresponding with absorption tower pond；
Wherein, the desulfurizing tower, first circulation pond, pass sequentially through pipeline connection between filter press, the absorption tower the
It is connected between two circulatory pools by another pipeline.
The present invention also provides a kind of processes of described device processing flue gas, comprising:
S1, sulfur-containing smoke gas is passed through from the air inlet of the cabinet, successively passes through dry dust removal mechanism and Wet dust collector
Structure, the sulfur-containing smoke gas after obtaining dedusting；
S2, it then the sulfur-containing smoke gas after dedusting is passed through in desulfurizing tower is contacted with sodium sulfide solution, obtain the first absorbing liquid
With the flue gas after first time sulphur removal；
S3, it the flue gas after first time sulphur removal is passed through in absorption tower is contacted with sodium hydroxide solution, obtain the second absorbing liquid
With purified gas；
Wherein, first absorbing liquid is sent into first circulation pond, when the pH value of liquid in first circulation pond reaches 7~8
When the first absorbing liquid mixed and sent with two soda mud filtered into filter press, filtrate is sent to circulatory pool and is stored, and described second inhales
It receives liquid to be sent into second circulation pond, second absorbing liquid is evaporated place when the pH value of liquid in second circulation pond reaches 7~8
Reason.
Preferably, in the process, sulfur-containing smoke gas from the air inlet of the cabinet enter dust discharge space after,
Start vibrating mechanism so that oscillating plate back and forth pats the filter bag, the gas source connecting with first spray head is opened simultaneously, to described
Filter bag is purged.
The present invention is include at least the following beneficial effects:
1, present invention utilizes two kinds of desulfurization technologies, carry out at desulfurization to sulfur-containing smoke gas respectively in two stages in an orderly manner
Reason, improves desulfurization effect.
2, vibrating mechanism is provided in dedusting mechanism of the invention, so that the dedusting to sulfur-containing smoke gas is more thorough, into one
Step improves subsequent desulfurization effect.
3, it is provided with anticorrosion cover in desulfurizing tower of the invention, efficiently avoids the feelings that the inner wall of desulfurizing tower is corroded
Condition improves the working performance and service life of desulfurizing tower.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the structural schematic diagram in the one of technical solution for the device that two sections of binary of the invention handle flue gas；
Fig. 2 is the structural schematic diagram in another technical solution of the invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
Dry dust removal mechanism 1 comprising: cabinet 11, filter bag 12, the first funnel 13, first spray head 14 and vibrating mechanism
15,11 lower part of cabinet is equipped with air inlet 111, and the enclosure top is equipped with gas outlet 112, and the cabinet inside is located at outlet
The lower section of mouth 112 is equipped with partition 113 and cabinet is divided into the exhaust space 114 being located above and underlying dedusting space 115,
The filter bag 12 is set to the lower section in cabinet and being located at the partition 113, and the vibrating mechanism 15 drives the filter bag 12 with one
Determine warble, the filter bag 12 is equipped with stomata and is equipped with through-hole, the filter bag 12 for filtering flue gas, the partition 113
Upper end be sheathed in the through-hole with by filtered flue gas from being discharged into through-hole in the exhaust space, first funnel
13 are connected to form the outlet of discharge cigarette ash with the bottom of the cabinet 11, and the first spray head 14 is set to the partition 113
Lower surface, the first spray head 14 is connected to external air source and injection direction is towards the filter bag；
Wet dust removal mechanism 2 comprising: condenser pipe 21 and the second funnel 22, the air inlet of the condenser pipe 21 pass through
One pipeline is connected to the gas outlet of the cabinet 11, and the downside of the condenser pipe 21 is connected to second funnel 22 with the row of being formed
The outlet of soiling solution is put, the inner wall of 21 upside of condenser pipe is equipped with multiple second spray heads 23, the second spray head 23 and outside
Water source connection, air inlet of the injection direction of the second spray head 23 towards the condenser pipe, the air inlet of the condenser pipe 21
With strainer is equipped at gas outlet；
Desulfurizing tower 3 comprising the lower part of desulfurization tower body 31, the first spraying mechanism 32, the desulfurization tower body 31 is equipped with air inlet
Mouthful, top is equipped with gas outlet, and bottom is equipped with leakage fluid dram, and the air inlet of the desulfurization tower body 31 passes through a pipeline and the condenser pipe
21 gas outlet connection, the spraying mechanism 32 include third spray head 321, the 4th spray head 322 and the first anticorrosion cover 323,
The first anticorrosion cover 323 is set in the desulfurizing tower body, the top of the first anticorrosion cover 323 and the desulfurization tower body
31 top inner wall is connected, and the top of the first anticorrosion cover 323 is equipped with through-hole and connects with 31 gas outlet of desulfurization tower body
The outlet to form discharge gas is passed to, the side wall lower ends of the first anticorrosion cover 323 and the side wall of the desulfurization tower body 31 support
Touching connects, and the third spray head 321 is set on the inner wall at 323 top of the first anticorrosion cover, the spray of the third spray head 321
Direction is penetrated towards the lower part of desulfurization tower body 31, the 4th spray head 322 is set on the inner sidewall of the first anticorrosion cover 323,
4th spray head 322 upwards inclination and injection direction towards the inside of the first anticorrosion cover 323, the third spray head
321, the 4th spray head 322 is connected to external vulcanized sodium liquid source respectively；
Absorption tower 4 comprising the lower part of absorption tower body 41, the second spraying mechanism 42, the absorption tower body 41 is equipped with air inlet
Mouthful, top is equipped with gas outlet, and bottom is equipped with leakage fluid dram, and the air inlet of the absorption tower body 41 passes through a pipeline and the desulfurizing tower
The gas outlet of body 31 is connected to, and second spraying mechanism 42 includes the 5th spray head 421 and the second anticorrosion cover 422, and described the
Two anticorrosion covers 422 are set in the absorption tower body 41, top and the absorption tower body 41 of the second anticorrosion cover 422
Top inner wall is connected, and the top of the second anticorrosion cover 422 is equipped with through-hole and is connected to the absorption tower body gas outlet with shape
At the outlet of discharge gas, the side wall lower ends of the second anticorrosion cover 422 connect with the conflict of the side wall of the absorption tower body 41,
5th spray head 421 is set on the inner wall at 422 top of the second anticorrosion cover, the injection direction of the 5th spray head 421
Towards the lower part of absorption tower body, the 5th spray head 421 is connected to external caustic lye of soda source；
Wherein, the vibrating mechanism 15 includes: fixed plate 151, sliding rail 152, sliding block 153, connecting rod 154, vibrating arm
155, oscillating plate 156 and oil cylinder 157, the fixed plate 151 are horizontally located on the inner wall of the cabinet 11, the sliding rail
152 are set to the upper surface of the fixed plate 151, and be slidably connected the sliding block 153 on the sliding rail 152, the vibrating arm 155
One end is hinged in the fixed plate 151, and hinge joint is located at side of the sliding rail far from case side wall, and the other end extends to described
It is connected at filter bag 12 and with the oscillating plate 155, one end of the connecting rod 154 and the middle part of the vibrating arm 155 are hinged, separately
One end and the sliding block 153 are hinged, and the piston rod of the sliding block 153 and the oil cylinder 157 is connected, and the oil cylinder 157 drives institute
It is reciprocating in sliding rail 153 to state sliding block 153, moves the vibrating arm 155, oscillating plate 156 in the horizontal plane.
In the above-mentioned technical solutions, the device of processing flue gas provided by the invention mainly includes dedusting mechanism and desulfurizing machine
Structure；Wherein, dedusting mechanism includes dry dust removal mechanism 1 and wet dust removal mechanism 2, and desulfurization mechanism includes desulfurizing tower 3 and absorption tower
4.When using the present apparatus, flue gas to be processed is passed sequentially through into dry dust removal mechanism 1 and wet dust removal mechanism 2, desulfurization mechanism
Including desulfurizing tower 3 and absorption tower 4, the sulfurous gas in flue gas to be processed can be removed.Separately below to above-mentioned several heavy
Mechanism is wanted to be described in detail so that the technical program is more clear apparent.
Enter the sequence in the present apparatus according to flue gas to be processed, is dry dust removal mechanism 1,1 machine of dry dust removal mechanism first
Case 11, filter bag 12, the first funnel 13, first spray head 14 and vibrating mechanism 15.Cabinet 11 is generally class rectangular parallelepiped structure, internal
Equipped with biggish cavity other structures are further arranged, 11 lower part of cabinet is equipped with air inlet 111 and is used to be passed through external flue gas,
Enclosure top is equipped with gas outlet 112 for gas to be discharged, and in the technical scheme, enclosure top is equipped with gas outlet 112 and passes through pipe
Road is connected to wet dust removal mechanism 2, is made further so that the flue gas after first time dust removal process is sent into wet dust removal mechanism 2
Processing.Cabinet 11 is divided the exhaust space 114 to be located above equipped with partition 113 by the lower section that cabinet inside is located at gas outlet 112
With underlying dedusting space 115, it is provided at least one 12 filter bag 12 of filter bag in dedusting space 115 and is equipped with multiple gas
Hole is located at the lower section of partition 113 for filtering flue gas, filter bag 12, and partition 113 is equipped with through-hole, before the upper end of filter bag 12 is sheathed on
State in through-hole, so as to by filtered flue gas from being drained into through-hole in exhaust space 114.Further, since by one section
After the dust-absorbing filtering work of time, the surface of filter bag 12 can be infected with many dust granules, will largely will affect filter bag
12 working performance is improved so having made corresponding structure again for this problem in the technical program；Specifically, it increases
Vibrating mechanism 15 and first spray head 14；Wherein, the lower surface of partition 113, first spray head 14 and outside is arranged in first spray head 14
Gas source connection and injection direction is towards filter bag 12, when filter bag 12 after a period of work, by first spray head 14 to filter bag 12 into
Row injection, can blow off the dust on filter bag；The effect of vibrating mechanism 15 is to pat driving to filter bag 12
Filter bag 12 is swung with certain frequency, and the dust on filter bag 12 is shaken off down.Vibrating mechanism 15 specifically includes that fixed plate 151, slides
Rail 152, sliding block 153, connecting rod 154, more than 157 part of vibrating arm 155, oscillating plate 156 and oil cylinder, 151 level of fixed plate are set
In on the inner wall of cabinet 11, sliding rail 152 is arranged in the upper surface of fixed plate 151, and be slidably connected sliding block 153 on sliding rail 152, fixed plate
The one end of 151 upper surface also with vibrating arm 155 is hinged, and hinge joint is located at side of the sliding rail 152 far from case side wall, vibration
The other end of lever 155 is extended at filter bag 12 and is connected with oscillating plate 155, in one end of connecting rod 154 and vibrating arm 155
Portion is hinged, and the other end and sliding block 153 are hinged, and the piston rod of sliding block 153 and the oil cylinder 157 is connected, and oil cylinder 157 drives the cunning
Block 153 is reciprocating in sliding rail 153, and when sliding block 153 is reciprocating, can drive makes vibrating arm 155, oscillating plate
156 move in the horizontal plane, and carry out beating work to filter bag 12.The bottom of cabinet 11 is additionally provided with first funnel 13, the
One funnel 13 is connected to the bottom of cabinet 11, so that the outlet of discharge cigarette ash is formed, it is generated after flue gas is by sock filtration
Dust can be discharged from when falling to the first funnel 13.
Since dry dust removal mechanism 1 can only go out the biggish dust of degranulation, so above-mentioned technical proposal is asked for this again
Topic devises subsequent wet dust removal mechanism 2 for further dedusting.Wet dust removal mechanism 2 mainly includes condenser pipe 21 and the
The air inlet of two funnels 22, condenser pipe 21 is connected to by a pipeline with the gas outlet of aforementioned cabinet 11, interior on the upside of condenser pipe 21
Wall is equipped with multiple second spray heads 23, the injection direction of second spray head 23 towards the condenser pipe air inlet, second spray head 23 with
External water source connection, the downside of condenser pipe 21 are connected to form the outlet of discharge soiling solution, when flue gas is through being subcooled with the second funnel 22
Injection when solidifying pipe 21 by water in second spray head 23, the lesser dust of particle are fallen in the second funnel 22 simultaneously in conjunction with water
Discharge；In addition, strainer is equipped at the air inlet of condenser pipe 21 and gas outlet, for further being filtered to flue gas.
After completing dust removal process, the gas after dedusting is passed through desulfurization mechanism and carries out desulfurization process, due to sulfur-containing smoke gas
In containing most pernicious gases be sulfur dioxide, so handling it to remove sulfur dioxide first with vulcanized sodium.Here it uses
In removal sulfur dioxide principal organ be desulfurizing tower 3.Desulfurizing tower 3, including desulfurization tower body 31, the first spraying mechanism 32, desulfurization
The air inlet of tower body 31 is connected to by a pipeline with the gas outlet of condenser pipe 21.First spraying mechanism 32 include third spray head 321,
4th spray head 322 and the first anticorrosion cover 323, the first anticorrosion cover 323 are set in desulfurization tower body 31, the first anticorrosion cover plate
The top inner wall of 323 bottom opening, the top of the first anticorrosion cover 323 and the desulfurization tower body 31 can pass through the connection of connecting rod
To be fixed together, the top of the first anticorrosion cover 323 is equipped with through-hole and is connected to 31 gas outlet of desulfurization tower body to form discharge
The side wall lower ends of the outlet of gas, the first anticorrosion cover 323 connect with the conflict of the side wall of desulfurization tower body 31, to limit into de-
The flow direction of sulfur-containing smoke gas inside sulphur tower body 31 flow out it can only from the through-hole at 323 top of anticorrosion cover.Third spray head
321 are respectively arranged on 323 inner wall of the first anticorrosion cover with the 4th spray head 322 and are connected to external vulcanized sodium liquid source, wherein the
Three spray heads 321 are set on the inner wall at the top of the first anticorrosion cover 323 and injection direction is towards the lower part of desulfurization tower body, the 4th spray head
321 are set on the inner sidewall of the first anticorrosion cover 323, inclination and injection direction the first anticorrosion of direction upwards of the 4th spray head 322
The inside of cover 323.3 bottom of desulfurizing tower is additionally provided with a leakage fluid dram, when the sulfur-containing smoke gas Jing Guo dust removal process enters desulfurizing tower 3
Afterwards, third spray head 321 and the 4th spray head 322 are opened, the vulcanized sodium liquid ejected from spray head contacts and anti-with sulfur-containing smoke gas
It answers, so that the sulfur dioxide in sulfur-containing smoke gas be absorbed, the doctor solution after reaction is discharged from the leakage fluid dram of 3 bottom of desulfurizing tower.Together
When, the technical program is provided with the first anticorrosion cover 323 in desulfurizing tower 3, and third spray head 321 and the 4th spray head 322 are set
Inside anticorrosion cover 323, the jet path of sodium sulfide solution is limited, has prevented sodium sulfide solution and has fallen on 3 inner wall of desulfurizing tower
On situation, avoid the phenomenon that 3 inner wall of desulfurizing tower is corroded since long-time is scrubbed by chemical solution.
Since a kind of new pernicious gas --- hydrogen sulfide during removing sulfur dioxide, can be generated；So above-mentioned
Technical solution has then carried out removal hydrogen sulfide treatment to sulfur-containing smoke gas after removing sulfur dioxide, processor here
Structure is mainly absorption tower 4.Absorption tower 4 mainly includes absorption tower body 41, the second spraying mechanism 42, the lower part of absorption tower body be equipped with into
Port, top are equipped with gas outlet, and bottom is equipped with leakage fluid dram, and the air inlet of absorption tower body 41 passes through a pipeline and the desulfurization tower body
31 gas outlet connection, the second spraying mechanism 42 include the 5th spray head 421 and the second anticorrosion cover 422, the second anticorrosion cover
422 are and are set in the absorption tower body 41, the top inner wall phase at the top of the second anticorrosion cover 422 and the absorption tower body 41
Even, the top of the second anticorrosion cover 422 is equipped with through-hole and is connected to the absorption tower body gas outlet to form going out for discharge gas
Mouthful, the side wall lower ends of the second anticorrosion cover 422 connect with the conflict of the side wall of absorption tower body 41, and the 5th spray head 421 is set on described the
On the inner wall at the top of two anticorrosion cover 422, the injection direction of the 5th spray head 421 is towards the lower part of absorption tower body, the 5th spray head 421
It is connected to external caustic lye of soda source, hydrogen sulfide can be absorbed；The structure on absorption tower 4 is similar with desulfurizing tower 3, can refer to desulfurization
Tower 3 is designed.When sulfur-containing smoke gas is after the processing on absorption tower 4, it can be discharged from the gas outlet on absorption tower 4.
In another technical solution, in the device of two sections of binary processing flue gas, the quantity of the vibrating mechanism
It is 2, the filter bag 12 is clipped in the middle by oscillating plate described in two of them.It is such to design the efficiency that dedusting can be improved.
In another technical solution, in the device of two sections of binary processing flue gas, second funnel is close to cold
The axis of the side wall and the condenser pipe of solidifying pipe gas outlet is mutually perpendicular to.Since the second funnel is close to the side wall of condenser pipe gas outlet
Perpendicular to condenser pipe, residual quantity of the soiling solution on the second funnel is reduced.
In another technical solution, in the device of two sections of binary processing flue gas, the number of the first spray head 14
Amount is even number, is symmetrically set in the two sides of the filter bag 12.
In another technical solution, the device of two sections of binary processing flue gas, further includes: opposite with desulfurizing tower 3
The first circulation pond 5 answered and filter press 6, second circulation corresponding with absorption tower 4 pond 7；
Wherein, the desulfurizing tower, first circulation pond, pass sequentially through pipeline connection between filter press, the absorption tower the
It is connected between two circulatory pools by another pipeline.
In above-mentioned technical proposal, it will be discharged into first circulation pond 5 and filter press 6, carry out from the liquid being discharged in desulfurizing tower 3
It recycles, is recycled being discharged into second circulation pond from the liquid being discharged in absorption tower 4.
The process of the device processing flue gas, comprising:
S1, sulfur-containing smoke gas is passed through from the air inlet of the cabinet, successively passes through dry dust removal mechanism and Wet dust collector
Structure, the sulfur-containing smoke gas after obtaining dedusting；
S2, it then the sulfur-containing smoke gas after dedusting is passed through in desulfurizing tower is contacted with sodium sulfide solution, obtain the first absorbing liquid
With the flue gas after first time sulphur removal；
S3, it the flue gas after first time sulphur removal is passed through in absorption tower is contacted with sodium hydroxide solution, obtain the second absorbing liquid
With purified gas；
Wherein, first absorbing liquid is sent into first circulation pond, when the pH value of liquid in first circulation pond reaches 7~8
When the first absorbing liquid mixed and sent with two soda mud filtered into filter press, filtrate is sent to circulatory pool and is stored, and described second inhales
It receives liquid to be sent into second circulation pond, second absorbing liquid is evaporated place when the pH value of liquid in second circulation pond reaches 7~8
Reason.
In the process, sulfur-containing smoke gas is after entering dust discharge space in the air inlet of the cabinet, starting vibration
Mechanism opens simultaneously the gas source connecting with first spray head so that oscillating plate back and forth pats the filter bag, carries out to the filter bag
Purging.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (7)
1. the device of two sections of binary processing flue gases characterized by comprising
Dry dust removal mechanism comprising: cabinet, filter bag, the first funnel, first spray head and vibrating mechanism, the cabinet lower part
Equipped with air inlet, the enclosure top is equipped with gas outlet, and the lower section that the cabinet inside is located at gas outlet is equipped with partition for cabinet
It is divided into the exhaust space being located above and underlying dedusting space, the filter bag is set in cabinet and is located at the partition
Lower section, the vibrating mechanism drive the filter bag to swing with certain frequency, and the filter bag is equipped with stomata and is used to filter flue gas, institute
Partition is stated equipped with through-hole, the upper end of the filter bag is sheathed in the through-hole so that filtered flue gas is discharged into institute from through-hole
It states in exhaust space, first funnel is connected to form the outlet of discharge cigarette ash, first spray with the bottom of the cabinet
Head is set to the lower surface of the partition, and the first spray head is connected to external air source and injection direction is towards the filter bag；
Wet dust removal mechanism comprising: condenser pipe and the second funnel, the air inlet of the condenser pipe by a pipeline with it is described
The gas outlet of cabinet is connected to, and the downside of the condenser pipe is connected to form the outlet of discharge soiling solution with second funnel, described
Inner wall on the upside of condenser pipe is equipped with multiple second spray heads, and the second spray head is connected to external water source, the second spray head
Injection direction is equipped with strainer at the air inlet of the condenser pipe and gas outlet towards the air inlet of the condenser pipe；
Desulfurizing tower comprising the lower part of desulfurization tower body, the first spraying mechanism, the desulfurization tower body is equipped with air inlet, and top is equipped with
Gas outlet, bottom are equipped with leakage fluid dram, and the air inlet of the desulfurization tower body is connected to by a pipeline with the gas outlet of the condenser pipe,
First spraying mechanism includes third spray head, the 4th spray head and the first anticorrosion cover, and first anticorrosion covers at institute
It states in desulfurizing tower body, the top of the first anticorrosion cover is connected with the top inner wall of the desulfurization tower body, first anti-corrosion
The top of erosion cover is equipped with through-hole and is connected to desulfurization tower body gas outlet to form the outlet of discharge gas, first anti-corrosion
The side wall lower ends for losing cover connect with the conflict of the side wall of the desulfurization tower body, and the third spray head is set to the first anticorrosion cover top
On the inner wall in portion, for the injection direction of the third spray head towards the lower part of desulfurization tower body, the 4th spray head is set to described first
On the inner sidewall of anticorrosion cover, the 4th spray head tilts upwards and injection direction is towards the inside of the first anticorrosion cover,
The third spray head, the 4th spray head are connected to external vulcanized sodium liquid source respectively；
Absorption tower comprising the lower part of absorption tower body, the second spraying mechanism, the absorption tower body is equipped with air inlet, and top is equipped with
Gas outlet, bottom are equipped with leakage fluid dram, and the air inlet of the absorption tower body is connected by the gas outlet of a pipeline and the desulfurization tower body
Logical, second spraying mechanism includes the 5th spray head and the second anticorrosion cover, and second anticorrosion covers at the absorption
In tower body, the top of the second anticorrosion cover is connected with the top inner wall of the absorption tower body, the second anticorrosion cover
Top is equipped with through-hole and is connected to the absorption tower body gas outlet to form the outlet of discharge gas, the second anticorrosion cover
Side wall lower ends connect with the conflict of the side wall of the absorption tower body, and the 5th spray head is set to interior at the top of the second anticorrosion cover
On wall, the injection direction of the 5th spray head is towards the lower part of absorption tower body, the 5th spray head and external caustic lye of soda source
Connection；
Wherein, the vibrating mechanism includes: fixed plate, sliding rail, sliding block, connecting rod, vibrating arm, oscillating plate and oil cylinder, described
Fixed plate is horizontally located on the inner wall of the cabinet, and the sliding rail is set to the upper surface of the fixed plate, is slided on the sliding rail
The dynamic connection sliding block, one end of the vibrating arm is hinged in the fixed plate, and hinge joint is located at sliding rail far from cabinet side
The side of wall, the other end are extended at the filter bag and are connected with the oscillating plate, one end of the connecting rod and the vibration
The middle part of bar is hinged, and the other end and the sliding block are hinged, and the piston rod of the sliding block and the oil cylinder is connected, the oil cylinder driving
The sliding block is reciprocating in sliding rail, moves the vibrating arm, oscillating plate in the horizontal plane.
2. the device of two sections of binary as described in claim 1 processing flue gas, which is characterized in that the quantity of the vibrating mechanism is
2, the filter bag is clipped in the middle by oscillating plate described in two of them.
3. the device of two sections of binary processing flue gas as described in claim 1, which is characterized in that second funnel is close to condensation
The side wall of pipe gas outlet and the axis of the condenser pipe are mutually perpendicular to.
4. the device of two sections of binary as described in claim 1 processing flue gas, which is characterized in that the quantity of the first spray head is
Even number is symmetrically set in the two sides of the filter bag.
5. the device of two sections of binary processing flue gas as described in Claims 1 to 4 is any, which is characterized in that further include: with desulfurization
The corresponding first circulation pond of tower and filter press, second circulation corresponding with absorption tower pond；
Wherein, the desulfurizing tower, first circulation pond, pipeline connection is passed sequentially through between filter press, the absorption tower second is followed
It is connected between cisterna ambiens by another pipeline.
6. the process of device processing flue gas as claimed in claim 5 characterized by comprising
S1, sulfur-containing smoke gas is passed through from the air inlet of the cabinet, successively by dry dust removal mechanism and wet dust removal mechanism, is obtained
Sulfur-containing smoke gas after to dedusting；
S2, it then the sulfur-containing smoke gas after dedusting is passed through in desulfurizing tower is contacted with sodium sulfide solution, obtain the first absorbing liquid and the
Flue gas after sulphur removal；
S3, it the flue gas after first time sulphur removal is passed through in absorption tower is contacted with sodium hydroxide solution, obtain the second absorbing liquid and net
Gas after change；
Wherein, first absorbing liquid is sent into first circulation pond, will when the pH value of liquid in first circulation pond reaches 7~8
First absorbing liquid is mixed and is sent with two soda mud and filters into filter press, and filtrate is sent to circulatory pool and stored, second absorbing liquid
It is sent into second circulation pond, second absorbing liquid is evaporated processing when the pH value of liquid in second circulation pond reaches 7~8.
7. process as claimed in claim 6, which is characterized in that sulfur-containing smoke gas enters row from the air inlet of the cabinet
Behind dirt space, starting vibrating mechanism opens simultaneously the gas connecting with first spray head so that oscillating plate back and forth pats the filter bag
Source purges the filter bag.
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| CN201910257108.1A CN109865385A (en) | 2019-04-01 | 2019-04-01 | The device and process of two sections of binary processing flue gases |
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| CN111265983A (en) * | 2020-03-25 | 2020-06-12 | 吐鲁番瑞德化轻有限公司 | Two-section binary flue gas treatment system |
| CN112892167A (en) * | 2021-01-27 | 2021-06-04 | 山东保蓝环保工程有限公司 | A tail gas purification takes off white system for bonderizing industry degree of depth desorption acid mist |
| CN117427451A (en) * | 2023-12-21 | 2024-01-23 | 佛山市景鑫达陶瓷机械有限公司 | Kiln flue gas purification treatment device |
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| CN117427451A (en) * | 2023-12-21 | 2024-01-23 | 佛山市景鑫达陶瓷机械有限公司 | Kiln flue gas purification treatment device |
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Application publication date: 20190611 |