CN110314513A - A kind of Chemical Manufacture exhuast gas desulfurization device and method - Google Patents
A kind of Chemical Manufacture exhuast gas desulfurization device and method Download PDFInfo
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- CN110314513A CN110314513A CN201910670694.2A CN201910670694A CN110314513A CN 110314513 A CN110314513 A CN 110314513A CN 201910670694 A CN201910670694 A CN 201910670694A CN 110314513 A CN110314513 A CN 110314513A
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- gas
- desulfurizing tower
- gas transmission
- desulfurization
- branch pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/507—Sulfur oxides by treating the gases with other liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The invention discloses a kind of Chemical Manufacture exhuast gas desulfurization device and method, including gas transmission general pipeline, the first gas transmission branch pipe and desulfurizing tower, the right end of the gas transmission general pipeline is connected to by three-way connection with the left end of the first gas transmission branch pipe, the right end of the first gas transmission branch pipe is connected to the inner cavity of desulfurizing tower, top on the right side of the desulfurizing tower is communicated with the second gas transmission branch pipe, the right end of the second gas transmission branch pipe is communicated with heat-exchanger rig by three-way connection, and the present invention relates to exhuast gas desulfurization equipment technical fields.Chemical Manufacture exhuast gas desulfurization device and method, spiral lift device is directly added inside desulfurizing tower, internal residue is fished for the dredger of different densities, facilitate the internal cleaning of device, heat exchange box and heat-exchanger rig are added in desulfurization tower bottom and rear simultaneously, storage utilization is carried out to the thermal energy of exhaust gas, adds desulfurization case and clean room later, residual gas is adequately purified, exhaust emission environment is effectively avoided.
Description
Technical field
The present invention relates to exhuast gas desulfurization equipment technical field, specially a kind of Chemical Manufacture exhuast gas desulfurization equipment and side
Method.
Background technique
Desulfurization sloughs the sulphur content in fuel and the desulfuration process before flue gas emissions before referring to burning.It is prevention and treatment atmosphere
One of important technique measure of pollution, before sulfur method generally has a burning at present, burning neutralize after burning three kinds of desulfurization etc..With
Industrial expansion and the improvement of people's living standards are also continuously increased the craving of the energy, and the SO2 in coal-fired flue-gas has become
The main reason for atmosphere pollution, reduces SO2 pollution and has become the task of top priority that current atmospheric environment is administered.Many flue gas desulfurization works
Skill is widely applied in the industry, also has important practical significance to the improvement of all kinds of boilers and tail gas from incinerator,
Desulfurization after middle burning, also known as flue gas desulfurization are divided by the type of desulfurizing agent, can be divided into following five kinds of methods: with CaCO3(lime
Stone) based on calcium method, the magnesium processes based on MgO, the sodium method based on Na2SO3, the ammonia process based on NH3, to have
Organic alkaline process based on machine alkali.
The commercial technologies generally used in the world are calcium methods, and proportion is 90% or more, by based on calcium carbonate
When the treating column of body, desulfurization can give off still containing more pollutant in exhaust gas, when long in this way up to 95% or more
Between be directly discharged in external environment, still air environment can be caused greatly to pollute, while carrying out desulfurization in treating column
When processing, more residue is be easy to cause to be gathered in bottom of device, it is difficult to it clears up, and then influences the exhaust-gas treatment effect of device,
The normal use of device is influenced, simultaneously because containing a large amount of thermal energy in exhaust gas, is directly discharged in external environment, will lead to big
Temperature degree increases and brings some environmental pollutions.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of Chemical Manufacture exhuast gas desulfurization device and method, solves existing
Some waste gas treatment equipments give off still containing more pollutant in exhaust gas, while desulfurization process is carried out in treating column
When, it be easy to cause more residue to be gathered in bottom of device, it is difficult to clear up, and then influence the exhaust-gas treatment effect of device, influence
The normal use of device is directly discharged in external environment simultaneously because containing a large amount of thermal energy in exhaust gas, will lead to big temperature
The problem of degree increases and brings some environmental pollutions.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of Chemical Manufacture exhuast gas desulfurization equipment,
Including gas transmission general pipeline, the first gas transmission branch pipe and desulfurizing tower, the right end of the gas transmission general pipeline passes through three-way connection and the first gas transmission branch
The left end of pipe is connected to, and the right end of the first gas transmission branch pipe is connected to the inner cavity of desulfurizing tower, and the top on the right side of the desulfurizing tower connects
It is connected with the second gas transmission branch pipe, the right end of the second gas transmission branch pipe is communicated with heat-exchanger rig, the heat exchange dress by three-way connection
The right side set is communicated with desulfurization case by connecting tube, and the right side of desulfurization case is communicated with clean room, the purification by connecting tube
Be communicated with exhaust pipe on the right side of room, be fixedly connected to slideway at left and right sides of the desulfurizing tower inner surface, the slideway it is outer
Surface successively slidably connects the first dredger, the second dredger and third dredger from top to bottom, first dredger, the second dredger and
The left and right sides at the top of third dredger is rotatably connected to threaded post, is fixedly connected with riser at the top of the desulfurizing tower,
The top of the threaded post sequentially passes through desulfurizing tower and riser and extends to the top of riser.
Preferably, there are two the quantity settings of the desulfurizing tower, the periphery of two desulfurizing towers is provided with heat exchange box,
And the inner surface of heat exchange box is fixedly connected by heat conducting pipe with the periphery of desulfurizing tower, passes through connecting tube between two heat exchange box
Connection, the bottom of the heat-exchanger rig inside connecting tube and heat exchange box by being connected to.
Preferably, the surface of the first gas transmission branch pipe and the second gas transmission branch pipe be provided with control the first gas transmission branch pipe and
The Electromagnetic Control valve of second gas transmission branch pipe air circulation.
Preferably, it is fixedly connected with purifying liquid box at the top of the desulfurization case, passes through company at the top of the desulfurization box cavity
Extension bar is fixedly connected with spray plate, and the top of the spray plate is connected to by connecting tube with the inside of purifying liquid box.
Preferably, strainer, the top and clean room inner cavity of the strainer are fixedly connected between the inner wall of the clean room
Top be fixedly connected to lime plate, and be fixedly connected between the bottom of clean room inner cavity and the lime plate at the top of strainer every
From plate.
Preferably, it is fixedly connected with brushing board between the inner wall of the desulfurizing tower and above the second gas transmission branch pipe,
And the inner surface of brushing board and the outer surface thread of threaded post connect.
Preferably, the positive top of the desulfurizing tower is hinged with sealing replacement door by hinge.
The invention also discloses a kind of methods of Chemical Manufacture exhuast gas desulfurization, specifically includes the following steps:
Step 1: preliminary desulfurization: opening the electromagnetism of the first gas transmission branch pipe and the second gas transmission branch pipe surface on the same desulfurizing tower
Control valve, exhaust gas flow into desulfurizing tower from gas transmission general pipeline along the first gas transmission branch pipe, open sealing replacement door, put into lime stone
The mixed liquor of powder and water recycles extraneous muddy water pump to extract mixed liquor from desulfurization tower bottom, conveys into the first gas transmission branch pipe, right
Exhaust gas is purified；
Step 2: thermal energy is converted: in step 1 during desulfurization, being transferred in heat exchange box by heat conducting pipe, while by useless
Processing of the gas Jing Guo step 1 enters heat-exchanger rig, using water as medium, is flowed into heat exchange box after heat exchange by connecting tube；
Step 3: desulfurization again: after step 2, exhaust gas is flowed into desulfurization case, opens spray plate control switch, scavenging solution is from scavenging solution
Case outflow is sprayed through spray plate atomization, is in contact with exhaust gas, again desulfurization；
Step 4: exhaust gas purification: the exhaust gas after desulfurization flows into clean room again in step 3, carries out moisture suction by lime plate
It is attached, it is discharged from exhaust pipe；
Step 5: screening cleaning: in the course of work, when needing to clear up desulfurizing tower inside, closing the desulfurizing tower periphery
Electromagnetic Control valve opens the Electromagnetic Control valve on another desulfurizing tower periphery, opens the sealing replacement door of the desulfurizing tower, starting
Riser drives threaded post rotation to rise, successively rises the first dredger, the second dredger and third dredger, it is clear to carry out grumeleuse
Reason.
(3) beneficial effect
The present invention provides a kind of Chemical Manufacture exhuast gas desulfurization device and method.Have it is following the utility model has the advantages that
(1), Chemical Manufacture exhuast gas desulfurization device and method are communicated with the second gas transmission branch by the top on the right side of desulfurizing tower
The right end of pipe, the second gas transmission branch pipe is communicated with heat-exchanger rig by three-way connection, and the right side of heat-exchanger rig is connected to by connecting tube
There is desulfurization case, the right side of desulfurization case is communicated with clean room by connecting tube, exhaust pipe is communicated on the right side of clean room, in desulfurizing tower
Slideway is fixedly connected at left and right sides of surface, the outer surface of slideway successively slidably connects the first dredger, from top to bottom
Two dredgers and third dredger, the left and right sides at the top of the first dredger, the second dredger and third dredger are rotatably connected to threaded post,
Riser is fixedly connected at the top of desulfurizing tower, the top of threaded post sequentially passes through desulfurizing tower and riser and extends to
Rise the top of device, it is cooperation gas transmission general pipeline, the first gas transmission branch pipe, desulfurizing tower, the second gas transmission branch pipe, heat-exchanger rig, desulfurization case, net
The setting for changing room, exhaust pipe, slideway, the first dredger, the second dredger, third dredger, threaded post and riser, directly in desulfurization
Spiral lift device is added inside tower, and internal residue is fished for the dredger of different densities, facilitates the internal cleaning of device,
Heat exchange box and heat-exchanger rig are added in desulfurization tower bottom and rear simultaneously, storage utilization is carried out to the thermal energy of exhaust gas, is added later
Desulfurization case and clean room adequately purify residual gas, effectively avoid exhaust emission environment.
(2), Chemical Manufacture exhuast gas desulfurization device and method, by there are two the settings of the quantity of desulfurizing tower, two de-
The periphery of sulphur tower is provided with heat exchange box, and the inner surface of heat exchange box is fixedly connected by heat conducting pipe with the periphery of desulfurizing tower, and two
It is connected between heat exchange box by connecting tube, the bottom of heat-exchanger rig inside connecting tube and heat exchange box by being connected to, the first gas transmission branch
The surface of pipe and the second gas transmission branch pipe is provided with the electromagnetism control of control the first gas transmission branch pipe and the second gas transmission branch pipe air circulation
Valve processed cooperates the setting of Electromagnetic Control valve, it is ensured that in maintenance, equipment can still run well device, increase
Serious forgiveness ensures the normal operation of equipment.
(3), Chemical Manufacture exhuast gas desulfurization device and method, by between the inner wall of desulfurizing tower and positioned at the second gas transmission
Brushing board is fixedly connected with above branch pipe, the inner surface of brushing board and the outer surface thread of threaded post connect, and cooperate brushing board
Setting, removing surface can be carried out to threaded post, avoid occurring bulk condensation product in reaction process being attached to threaded post surface,
Influence the case where riser drives threaded post to be gone up and down.
Detailed description of the invention
Fig. 1 is the top view of structure of the invention；
Fig. 2 is the schematic diagram of internal structure of inventive desulfurization case；
Fig. 3 is the schematic diagram of internal structure of inventive desulfurization tower；
Fig. 4 is the schematic diagram of internal structure of clean room of the present invention.
In figure, 1-gas transmission general pipeline, the 2-the first gas transmission branch pipe, 3-desulfurizing towers, the 4-the second gas transmission branch pipe, 5-heat exchange dresses
It sets, 6-desulfurization casees, 7-clean rooms, 8-exhaust pipes, 9-slideways, the 10-the first dredger, the 11-the second dredger, the fishing of 12-thirds
Net, 13-threaded posts, 14-risers, 15-heat exchange box, 16-heat conducting pipes, 17-Electromagnetic Control valves, 18-scavenging solutions
Case, 19-spray plates, 20-strainers, 21-lime plates, 22-isolation boards, 23-brushing boards, 24-sealing replacement doors.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the embodiment of the present invention provides a kind of technical solution: a kind of Chemical Manufacture exhuast gas desulfurization equipment,
Including gas transmission general pipeline 1, the first gas transmission branch pipe 2 and desulfurizing tower 3, the positive top of desulfurizing tower 3 is hinged with sealing replacement by hinge
Door 24 between the inner wall of desulfurizing tower 3 and is located at the top of the second gas transmission branch pipe 4 and is fixedly connected with brushing board 23, brushing board 23
Inner surface is connect with the outer surface thread of threaded post 13, cooperates the setting of brushing board 23, and it is clear can to carry out surface to threaded post 13
Reason, avoids occurring bulk condensation product in reaction process being attached to 13 surface of threaded post, influences riser 14 and drives threaded post 13
The case where being gone up and down, there are two the quantity settings of desulfurizing tower 3, and the periphery of two desulfurizing towers 3 is provided with heat exchange box 15, heat exchange
The inner surface of case 15 is fixedly connected by heat conducting pipe 16 with the periphery of desulfurizing tower 3, is connected between two heat exchange box 15 by connecting tube
It is logical, the bottom of heat-exchanger rig 5 by being connected to inside connecting tube and heat exchange box 15, the first gas transmission branch pipe 2 and the second gas transmission branch pipe 4
Surface is provided with the Electromagnetic Control valve 17 of control the first gas transmission branch pipe 2 and 4 air circulation of the second gas transmission branch pipe, Electromagnetic Control
Valve 17 and extraneous power supply electrically control, and are controlled by control switch, cooperate the setting of Electromagnetic Control valve 17, Ke Yibao
In maintenance, equipment can still run well card device, increase serious forgiveness, ensure the normal operation of equipment, gas transmission general pipeline's 1
Right end is connected to by three-way connection with the left end of the first gas transmission branch pipe 2, the right end of the first gas transmission branch pipe 2 and the inner cavity of desulfurizing tower 3
Connection, the top on 3 right side of desulfurizing tower are communicated with the second gas transmission branch pipe 4, and the right end of the second gas transmission branch pipe 4 is connected to by three-way connection
There is heat-exchanger rig 5, the right side of heat-exchanger rig 5 is communicated with desulfurization case 6 by connecting tube, and the top of desulfurization case 6 is fixedly connected with only
Change liquid case 18, be fixed by the connecting rod at the top of 6 inner cavity of desulfurization case and be connected with spray plate 19, spray plate 19 and extraneous power supply are electrically controlled
System, is controlled by control switch, and the top of spray plate 19 is connected to by connecting tube with the inside of purifying liquid box 18, desulfurization case 6
Right side clean room 7 is communicated with by connecting tube, strainer 20, the top of strainer 20 are fixedly connected between the inner wall of clean room 7
Be fixedly connected to lime plate 21 at the top of 7 inner cavity of clean room, the lime plate at 20 top of bottom and strainer of 7 inner cavity of clean room
Isolation board 22 is fixedly connected between 21, the right side of clean room 7 is communicated with exhaust pipe 8, and the left and right sides of 3 inner surface of desulfurizing tower is equal
It is fixedly connected with slideway 9, the outer surface of slideway 9 successively slidably connects the first dredger 10, the second dredger 11 and from top to bottom
The wire side density of three dredgers 12, the first dredger 10, the second dredger 11 and third dredger 12 is sequentially increased from top to bottom, the first dredger
10, the left and right sides at 12 top of the second dredger 11 and third dredger is rotatably connected to threaded post 13, and the top of desulfurizing tower 3 is fixed
It is connected with riser 14, the top of threaded post 13 sequentially passes through desulfurizing tower 3 and riser 14 and extends to riser 14
Top, riser 14 is exactly one and drives the thread bush device that goes up and down threaded post 13 using motor, and with it is outer
Boundary's power supply electrically controls, and is controlled by control switch, and gas transmission general pipeline 1, the first gas transmission branch pipe 2, desulfurizing tower 3, second are cooperated
Gas transmission branch pipe 4, heat-exchanger rig 5, desulfurization case 6, clean room 7, exhaust pipe 8, slideway 9, the first dredger 10, the second dredger 11, third
The setting of dredger 12, threaded post 13 and riser 14 directly adds spiral lift device inside desulfurizing tower 3, close with difference
The dredger of degree fishes for internal residue, facilitates the internal cleaning of device, while adding heat exchange in desulfurization tower bottom and rear
Case and heat-exchanger rig carry out storage utilization to the thermal energy of exhaust gas, add desulfurization case and clean room later, fill to residual gas
The purification divided, effectively avoids exhaust emission environment.
A kind of method of Chemical Manufacture exhuast gas desulfurization, specifically includes the following steps:
Step 1: preliminary desulfurization: opening the electricity on 4 surface of the first gas transmission branch pipe 2 and the second gas transmission branch pipe on the same desulfurizing tower 3
Magnetic control valve 17, exhaust gas flow into desulfurizing tower 3 from gas transmission general pipeline 1 along the first gas transmission branch pipe 2, open sealing replacement door 24,
The mixed liquor of agstone and water is put into, recycles extraneous muddy water pump to extract mixed liquor from 3 bottom of desulfurizing tower, to the first gas transmission branch
It is conveyed in pipe 2, exhaust gas is purified；
Step 2: thermal energy is converted: in step 1 during desulfurization, being transferred in heat exchange box 15 by heat conducting pipe 16, pass through simultaneously
It crosses processing of the exhaust gas Jing Guo step 1 and enters heat-exchanger rig 5, using water as medium, flowed into and exchanged heat by connecting tube after heat exchange
In case 15；
Step 3: desulfurization again: after step 2, exhaust gas is flowed into desulfurization case 6, opens spray 19 control switch of plate, scavenging solution is from net
Change the outflow of liquid case 18 to spray through the spray atomization of plate 19, be in contact with exhaust gas, again desulfurization；
Step 4: exhaust gas purification: the exhaust gas after desulfurization flows into clean room 7 again in step 3, carries out water by lime plate 21
After dividing absorption, it is discharged from exhaust pipe 8；
Step 5: screening cleaning: in the course of work, when needing to clearing up inside desulfurizing tower 3, closing 3 periphery of desulfurizing tower
Electromagnetic Control valve 17, open the Electromagnetic Control valve 17 on another 3 periphery of desulfurizing tower, open the sealing of the desulfurizing tower 3 more
Door 24 is changed, riser 14 is started, drives the rotation of threaded post 13 to rise, successively by the first dredger 10, the second dredger 11 and third
Dredger 12 rises, and carries out grumeleuse cleaning.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of Chemical Manufacture exhuast gas desulfurization equipment, including gas transmission general pipeline (1), the first gas transmission branch pipe (2) and desulfurizing tower (3),
The right end of the gas transmission general pipeline (1) is connected to by three-way connection with the left end of the first gas transmission branch pipe (2), the first gas transmission branch pipe
(2) right end is connected to the inner cavity of desulfurizing tower (3), it is characterised in that: it is defeated that the top on the right side of the desulfurizing tower (3) is communicated with second
The right end of gas branch pipe (4), the second gas transmission branch pipe (4) is communicated with heat-exchanger rig (5), the heat-exchanger rig by three-way connection
(5) right side is communicated with desulfurization case (6) by connecting tube, and the right side of desulfurization case (6) is communicated with clean room by connecting tube
(7), it is communicated with exhaust pipe (8) on the right side of the clean room (7), the left and right sides of desulfurizing tower (3) inner surface is fixed to be connected
It is connected to slideway (9), the outer surface of the slideway (9) successively slidably connects the first dredger (10), the second dredger from top to bottom
(11) and third dredger (12), the left and right sides at the top of first dredger (10), the second dredger (11) and third dredger (12)
It is rotatably connected to threaded post (13), is fixedly connected with riser (14), the threaded post at the top of the desulfurizing tower (3)
(13) top sequentially passes through desulfurizing tower (3) and riser (14) and the top for extending to riser (14).
2. a kind of Chemical Manufacture exhuast gas desulfurization equipment according to claim 1, it is characterised in that: the desulfurizing tower (3)
Quantity setting there are two, the periphery of described two desulfurizing towers (3) is provided with heat exchange box (15), and the interior table of heat exchange box (15)
Face is fixedly connected by heat conducting pipe (16) with the periphery of desulfurizing tower (3), is connected between described two heat exchange box (15) by connecting tube
Logical, the bottom of the heat-exchanger rig (5) inside connecting tube and heat exchange box (15) by being connected to.
3. a kind of Chemical Manufacture exhuast gas desulfurization equipment according to claim 1, it is characterised in that: the first gas transmission branch
The surface of pipe (2) and the second gas transmission branch pipe (4) is provided with the first gas transmission branch pipe (2) of control and second gas transmission branch pipe (4) air
The Electromagnetic Control valve (17) of circulation.
4. a kind of Chemical Manufacture exhuast gas desulfurization equipment according to claim 1, it is characterised in that: the desulfurization case (6)
Top be fixedly connected with purifying liquid box (18), be fixed by the connecting rod at the top of desulfurization case (6) inner cavity and be connected with spray plate
(19), the top of spray plate (19) is connected to by connecting tube with the inside of purifying liquid box (18).
5. a kind of Chemical Manufacture exhuast gas desulfurization equipment according to claim 1, it is characterised in that: the clean room (7)
Inner wall between be fixedly connected with strainer (20), the top of the top of the strainer (20) and clean room (7) inner cavity is fixed to be connected
It is connected to lime plate (21), and is fixedly connected between the bottom of clean room (7) inner cavity and the lime plate (21) at the top of strainer (20)
Isolation board (22).
6. a kind of Chemical Manufacture exhuast gas desulfurization equipment according to claim 1, it is characterised in that: the desulfurizing tower (3)
Inner wall between and be located above the second gas transmission branch pipe (4) and be fixedly connected with brushing board (23), and the interior table of brushing board (23)
Face is connect with the outer surface thread of threaded post (13).
7. a kind of Chemical Manufacture exhuast gas desulfurization equipment according to claim 1, it is characterised in that: the desulfurizing tower (3)
Positive top is hinged with sealing replacement door (24) by hinge.
8. a kind of method of Chemical Manufacture exhuast gas desulfurization, it is characterised in that: specifically includes the following steps:
Step 1: preliminary desulfurization: opening the first gas transmission branch pipe (2) and second gas transmission branch pipe (4) table on the same desulfurizing tower (3)
The Electromagnetic Control valve (17) in face, exhaust gas are flowed into desulfurizing tower (3) along the first gas transmission branch pipe (2) from gas transmission general pipeline (1), are opened
Sealing replacement door (24) puts into the mixed liquor of agstone and water, recycles extraneous muddy water pump to extract from desulfurizing tower (3) bottom mixed
Liquid is closed, to conveying in the first gas transmission branch pipe (2), exhaust gas is purified；
Step 2: thermal energy is converted: in step 1 during desulfurization, being transferred in heat exchange box (15) by heat conducting pipe (16), together
When processing by exhaust gas Jing Guo step 1 enter heat-exchanger rig (5), using water as medium, pass through connecting tube stream after heat exchange
Enter in heat exchange box (15)；
Step 3: desulfurization again: after step 2, exhaust gas is flowed into desulfurization case (6), opens spray plate (19) control switch, scavenging solution
It sprays, is in contact with exhaust gas, again desulfurization from purifying liquid box (18) outflow through spray plate (19) atomization；
Step 4: exhaust gas purification: the exhaust gas after desulfurization flows into clean room (7) again in step 3, by lime plate (21) into
After row water adsorption, it is discharged from exhaust pipe (8)；
Step 5: screening cleaning: in the course of work, when needing to clearing up inside desulfurizing tower (3), closing the desulfurizing tower (3)
The Electromagnetic Control valve (17) on periphery opens the Electromagnetic Control valve (17) on another desulfurizing tower (3) periphery, opens the desulfurizing tower
(3) door (24) are replaced in sealing, are started riser (14), drive threaded post (13) rotation to rise, successively by the first dredger
(10), the second dredger (11) and third dredger (12) rise, and carry out grumeleuse cleaning.
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| CN201910670694.2A CN110314513A (en) | 2019-07-24 | 2019-07-24 | A kind of Chemical Manufacture exhuast gas desulfurization device and method |
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Application publication date: 20191011 |