CN206435035U - Desulfurizer - Google Patents
Desulfurizer Download PDFInfo
- Publication number
- CN206435035U CN206435035U CN201720072188.XU CN201720072188U CN206435035U CN 206435035 U CN206435035 U CN 206435035U CN 201720072188 U CN201720072188 U CN 201720072188U CN 206435035 U CN206435035 U CN 206435035U
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- China
- Prior art keywords
- flue gas
- flue
- water collection
- gas
- desulfurizing tower
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Abstract
The utility model discloses a kind of desulfurizer, it is related to flue gas desulfurization technique field, the desulfurizer includes apparatus for preparing desulphurizing agent, flue gas device, desulfurizing tower and desulfurization liquid circulating device, the flue gas device includes flue, the flue is provided with gas approach and exhanst gas outlet, the flue is provided with expansion joint, flue gas flow meter and flue gas branch pipe, the flue gas branch pipe connects surge tank, automatic regulating valve is provided between the flue gas branch pipe and the surge tank, the surge tank is also connected with the gas approach, check valve is provided between the gas approach and the surge tank, the automatic regulating valve and the flue gas flow meter are connected with controller.The utility model is operable elastic big, to flue gas change strong adaptability, can alleviate the moment increase of exhaust gas volumn, make the exhaust gas volumn entered in desulfurizing tower steadily, SR is small, and operating cost is low, runs easy to operate, easy to maintenance, desulfuration efficiency height.
Description
Technical field
The utility model is related to flue gas desulfurization technique field, more particularly, to a kind of desulfurizer.
Background technology
In recent years, with the generation of haze, increasing people's concern air quality and Air Pollutant Emission feelings are caused
Condition, the discharge of Industrial Boiler flue gas pollutant is a big pollution sources of industrial gas emission.
SO in waste gas2It is one of major pollutants of air.China city SO2Pollution is quite serious.A large amount of SO2Row
The main cause for being China's rainfall in acidity is put, environmental pollution of the acid rain to China is increasingly severe, it has also become in the world after north
The country of the third-largest Acid Rain Pollution behind beautiful and Europe.By 2005, China's acid rain depositions critical load exceedance area was up to 320
Ten thousand K ㎡, account for 29%, SO of area2The acid rain harm face caused is extremely wide, including agricultural, industry, communications and transportation, building
All many-sides such as thing, health of human body, the economic loss caused is even more to estimate.Because acid rain is caused sternly to human environment
The harm of weight, proposes atomosphere quality standard, SO one after another with health organization all over the world2A large amount of discharges both severe contamination environment
The huge waste of Sulphur ressource is caused again, reduces SO2Pollution has turned into the task of top priority that current atmospheric environment is administered.
Desulfurizer is the equipment for carrying out desulfurization process to industrial waste gas, in actual production process, due to melting
The exhaust gas volumn fluctuation produced in stove is big, and the SO in flue gas2Concentration is high, these high concentrations SO2In the smelting furnace such as flue gas and anode furnace
The low concentration SO of generation2Flue gas mixing after enter desulphurization system carry out desulfurization when, once in smelting furnace exhaust gas volumn moment increase,
SO in flue gas2When concentration becomes big, desulphurization system will be unable to adapt to the high load capacity flue gas change of moment generation, cause the tail of system
Arrange SO2Concentration over-standard.
Utility model content
The purpose of this utility model is to overcome above-mentioned technical deficiency, a kind of desulfurizer of proposition.
To reach above-mentioned technical purpose, the technical solution of the utility model provides a kind of desulfurizer, including desulfurizing agent system
Standby device, flue gas device, desulfurizing tower and desulfurization liquid circulating device, the apparatus for preparing desulphurizing agent respectively with the desulfurizing tower
Portion is connected with the desulfurization liquid circulating device, and the desulfurization liquid circulating device is also connected with the bottom and middle part of the desulfurizing tower,
The flue gas device includes flue, and the flue is provided with gas approach and exhanst gas outlet, the exhanst gas outlet and institute
The bottom connection of desulfurizing tower is stated, the flue is sequentially provided with expansion along the gas approach to the exhanst gas outlet direction
Section, flue gas flow meter and flue gas branch pipe, the flue gas branch pipe connect surge tank, are set between the flue gas branch pipe and the surge tank
There is automatic regulating valve, the surge tank is also connected with the gas approach, is provided between the gas approach and the surge tank
Check valve, the automatic regulating valve and the flue gas flow meter are connected with controller.
As an improvement, the flue pipe wall is provided with anti-corrosion enamelled coating.
As an improvement, the middle part of the desulfurizing tower is provided with inlet, and the inlet is communicated with shower, the spray
Shower pipe is located in the desulfurizing tower, and the shower, which is provided with multiple nozzles, the desulfurizing tower, to be located at below the inlet
Position is provided with cyclone, and the desulfurizing tower internal upper part is provided with water collection device and water collector bracket, and the top of the desulfurizing tower is provided with out
Gas port.
As a further improvement, the water collection device includes one-level water collection device and two grades of water collection devices, the one-level water collection device
Positioned at the lower section of two grades of water collection devices, the spray that is respectively arranged below with of the lower section of the one-level water collection device and two grades of water collection devices is rushed
Pipe is washed, the spray irrigation pipe is provided with multiple opening up flooding nozzles, and the spray irrigation pipe is connected with industrial pond.
As a further improvement, the gap between the blade of the one-level water collection device is more than the leaf of two grades of water collection devices
Gap between piece.
As an improvement, the desulfurization liquid circulating device includes circulating line, and it is heavy to be sequentially provided with the circulating line
Shallow lake pond, regenerated reactor, circulatory pool and circulating pump.
As a further improvement, the bottom of the sedimentation basin and the bottom of the regenerated reactor are respectively equipped with slag-drip opening.
As a further improvement, apparatus for preparing desulphurizing agent, which includes desulfurizing agent, prepares pond, the desulfurizing agent prepares pond and is provided with
Water inlet, the first liquid outlet and the second liquid outlet, first liquid outlet are connected with desulfurizing tower, second liquid outlet with it is described
Regenerated reactor is connected.
The desulfurizer that the utility model is provided, operable elasticity is big, changes strong adaptability to flue gas, can alleviate exhaust gas volumn
Moment increase, make that the exhaust gas volumn entered in desulfurizing tower is steady, SR is small, and operating cost is low, run easy to operate, safeguard
Convenient, desulfuration efficiency is high.
Brief description of the drawings
Fig. 1 is the structural representation of the desulfurizer of the utility model embodiment；
Fig. 2 is the structural representation of the desulfurizing tower of the utility model embodiment；
Fig. 3 is the schematic enlarged-scale view of the water collector bracket of the utility model embodiment；
Fig. 4 is the schematic enlarged-scale view of the one-level water collection device of the utility model embodiment；
Fig. 5 is the schematic enlarged-scale view of two grades of water collection devices of the utility model embodiment；
Wherein, 1- flue gas devices, 2- desulfurizing towers, 3- apparatus for preparing desulphurizing agent, 4- desulfurization liquid circulating devices, 5- showers,
6- shower brackets, 7- cyclones, 8- water collection devices, 9- water collector brackets, 10- industrial ponds, 11- flues, 12- expansions
Section, 13- flue gas flow meters, 14- flue gas branch pipes, 15- surge tanks, 16- automatic regulating valves, 17- check valves, 18- controllers, 21-
Gas outlet, 22- manholes, 23- inlets, 24- is sprayed pipe, and 31- circulating lines, 32- sedimentation basins, 33- regenerated reactors, 34- is followed
Cisterna ambiens, 35- circulating pumps, 41- water inlets, the liquid outlets of 42- first, the liquid outlets of 43- second, 81- one-level water collection devices, bis- grades of receipts of 82-
Hydrophone, 111- gas approach, 112- exhanst gas outlets.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
The utility model provides a kind of desulfurizer, including apparatus for preparing desulphurizing agent, flue gas device, desulfurizing tower and desulfurization
Liquid circulating device, the apparatus for preparing desulphurizing agent is connected with the middle part of the desulfurizing tower and the desulfurization liquid circulating device respectively,
The desulfurization liquid circulating device is also connected with the bottom and middle part of the desulfurizing tower, and the flue gas device includes flue, institute
Flue is stated provided with gas approach and exhanst gas outlet, the exhanst gas outlet is connected with the bottom of the desulfurizing tower, the flue gas
Pipeline is sequentially provided with expansion joint, flue gas flow meter and flue gas branch pipe along the gas approach to the exhanst gas outlet direction, described
Flue gas branch pipe connect surge tank, between the flue gas branch pipe and the surge tank be provided with automatic regulating valve, the surge tank also with
Gas approach connection, is provided with check valve between the gas approach and the surge tank, the automatic regulating valve and described
Flue gas flow meter is connected with controller.
In order to solve the above-mentioned technical problem, embodiment of the present utility model provides a kind of desulfurizer.
As shown in figure 1, a kind of desulfurizer, including flue gas device 1, desulfurizing tower 2, apparatus for preparing desulphurizing agent 3 and doctor solution
EGR 4.
Flue gas device 1 includes flue 11, and the inwall of flue 11 is provided with anti-corrosion enamelled coating, and anti-corrosion enamelled coating preferably uses resistance to
The special industrial paint (being resistant to 400 DEG C of high temperature) of high temperature soda acid, flue 11 is provided with gas approach 111 and exhanst gas outlet 112, cigarette
Gas outlet 112 is connected with the bottom of desulfurizing tower 2, and flue 11 is sequentially provided with along gas approach 11 to the direction of exhanst gas outlet 112
Expansion joint 12, flue gas flow meter 13 and flue gas branch pipe 14, the connection surge tank 15 of flue gas branch pipe 14, flue gas branch pipe 14 and surge tank 15
Between be provided with automatic regulating valve 16, surge tank 15 also connects with gas approach 111, set between gas approach 111 and surge tank 15
There is check valve 17, automatic regulating valve 16 and flue gas flow meter 13 are connected with controller 18.
Flue gas flow meter can monitor the flue gas flow in flue in real time, in the little situation of flue gas moment incrementss
Under, expansion joint can alleviate the moment incrementss of flue gas, in the case where flue gas moment incrementss are larger, and automatic regulating valve is opened,
Part of smoke enters in surge tank along flue gas branch pipe, so as to alleviate the moment incrementss of flue gas, when the cigarette in surge tank
When gas is more, flue gas can break through check valve and enter gas approach, so as to carry out flue gas recirculation.
Anticorrosive coat is provided with desulfurizing tower 2, anticorrosive coat is epoxy vinyl ester resin anticorrosive coat, and the thickness of anticorrosive coat is 5mm,
Desulfurizing tower 2 is externally provided with extexine, and the thickness of extexine is to contain ultraviolet age resister in 1.5mm, extexine, anticorrosive coat with it is outer
It is enhancement layer between top layer, enhancement layer is made up of 197# resins.
As shown in Fig. 2 the top of desulfurizing tower 2 is provided with gas outlet 21, the sidepiece of desulfurizing tower 2 is provided with multiple manholes 22, desulfurization
The middle part of tower 2 is respectively communicated with a shower 5 provided with 3 inlets 23, each inlet 23, and shower 5 stretches into desulfurizing tower 2
Interior, the madial wall of desulfurizing tower 2 is provided with the shower bracket 6 for shelving shower 5, and shower 5 is provided with multiple nozzles.In desulfurizing tower 2
Cyclone 7 is provided with positioned at the position of the lower section of inlet 23, cyclone 7 includes the angle of 32 spiral boards, spiral board and horizontal plane
Preferably 30 °.
The internal upper part of desulfurizing tower 2 is provided with water collection device 8 and water collector bracket 9, and water collection device 8 is located on water collector bracket 9, water collection device
The structure of support 9 is shown in Fig. 3, and water collection device 8 includes one-level water collection device 81 and two grades of water collection devices 82, and one-level water collection device 81 is located at two grades of receipts
Gap between the lower section of hydrophone 82, the blade of one-level water collection device 81 is more than the gap between the blade of two grades of water collection devices 82, such as
Shown in Fig. 3, as shown in figure 4, one-level water collection device 81 is provided with 14 opening up nozzles, as shown in figure 5, two grades of water collection devices 82 are set
Have under 16 opening up nozzles and 14 downward opening nozzles, the lower section of one-level water collection device 81 and two grades of water collection devices 82
Side be respectively equipped with spray irrigation pipe 24, be sprayed pipe 24 be provided with multiple opening up flooding nozzles, be sprayed pipe 24 with
Industrial pond connection 10.
The one-level water collection device being located below is one big liquid drop separator, and impeller clearance is slightly larger, for separating rising flue gas
Entrained larger drop, two grades of water collection devices of top are a small droplet separators, and blade is in small distance, for separating rising
Small slurry droplet and water collection device in flue gas rinse water droplet.When flue gas flows through water collection device, drop stays in gear due to effect of inertia
On plate.Because the drop being detained also contains solid, therefore there is the danger of fouling on baffle plate, while to ensure that flue gas passes through
The pressure drop produced during water collection device is no more than setting value, need to periodically carry out on-line cleaning.Therefore, there is provided the cleaning of periodic operation is set
It is standby, including rinse spray system, scouring media is industry water.
Flooding nozzle, one-level water collection device during normal operation are provided with below the top and bottom of one-level water collection device and two grades of water collection devices
Bottom surface and top surface, each region is cleaned in the bottom surface of upper strata water collection device in turn by program automatically.Every layer of water collection device is rinsed can be according to cigarette
Gas load, the pressure difference at water collection device two ends automatically adjust the frequency of flushing.
As shown in figure 1, desulfurization liquid circulating device 3 includes circulating line 31, the bottom of circulating line 31 respectively with desulfurizing tower 2
Connected with middle part, sedimentation basin 32, regenerated reactor 33, circulatory pool 34 and circulating pump 35, sedimentation basin 32 are sequentially provided with circulating line 31
Bottom and the bottom of regenerated reactor 33 be respectively equipped with slag-drip opening.
Apparatus for preparing desulphurizing agent 4 includes desulfurizing agent and prepares pond 4, and desulfurizing agent prepares pond 4 and is provided with water inlet 41, the first liquid outlet
42 and second liquid outlet 43, the first liquid outlet 42 is connected with desulfurizing tower 2, and the second liquid outlet 43 is connected with regenerated reactor 33.
Sulfur-containing smoke gas is through flue gas device, tangentially into desulfurizing tower, and carrying out three-level by three layers of spray equipment in tower takes off
Small flue dust in reaction of Salmon-Saxl, flue gas is wetted, and tower is thrown under the influence of centrifugal force after forming graininess through mutually collision
On wall, bottom of towe is dropped down onto in moisture film effect undershoot；Flue gas is rotated upwards again through efficient rotary fluid layer and vaporific doctor solution along tower wall
High velocity impact, now gas, liquid, solid three-phase flow fully contact, the SO in flue gas2Largely absorbed by the alkaline components in liquid, cigarette
Gas is fully purified.Clean flue gas after desulfurization is dehydrated by the two-stage water collection device on tower top, is removed in flue gas and is pressed from both sides
The water of band, the flue gas after desulfurization demisting enters chimney qualified discharge.
NaOH absorbs SO in desulfurizing tower2Generation neutralization reaction generates NaHSO3With Na2SO3Waste liquid after desulfurization is arranged by bottom of towe
To sluiceway, the clarified solution for (containing a small amount of dust in flue gas) after being precipitated through sedimentation basin is continued to deliver to tower body and circulate to make by circulating pump
With desulphurization system has arranges outside a small amount of waste water；Artificial or mechanical chipping after precipitation a period of time in circulatory pool.
Course of reaction of the present utility model is as follows：
First, sweetening process
Wherein：Formula (1) is that startup stage NaOH solution absorbs SO2And regenerated liquid pH value it is higher when (be higher than 8 when), desulfurization
Liquid absorbs SO2Main reaction；Main reaction when formula (2) is doctor solution pH value relatively low (5~8).
2nd, oxidizing process (side reaction)
3rd, regenerative process
The desulfurizer selection sodium hydroxide alkaline process sulfur removal technology that the utility model is provided, desulfurizer is not in fouling
The problems such as, it is safe and reliable to operation.And because the speed that soda absorbing liquid and sulfur dioxide react is fast, can be in less liquid-gas ratio bar
Under part, higher sulfur dioxide removal rate is reached.
Embodiment of the present utility model described above, does not constitute the restriction to the utility model protection domain.
Any various other corresponding changes and deformation made according to technical concept of the present utility model, should be included in this practicality
In new scope of the claims.
Claims (8)
1. desulfurizer, it is characterised in that including apparatus for preparing desulphurizing agent, flue gas device, desulfurizing tower and desulfurization liquid circulating device,
The apparatus for preparing desulphurizing agent is connected with the middle part of the desulfurizing tower and the desulfurization liquid circulating device respectively, and the doctor solution is followed
Loop device is also connected with the bottom and middle part of the desulfurizing tower, and the flue gas device includes flue, and the flue is set
There are gas approach and exhanst gas outlet, the exhanst gas outlet is connected with the bottom of the desulfurizing tower, the flue is along the cigarette
Gas import to the exhanst gas outlet direction is sequentially provided with expansion joint, flue gas flow meter and flue gas branch pipe, the flue gas branch pipe connection
Surge tank, between the flue gas branch pipe and the surge tank be provided with automatic regulating valve, the surge tank also with the gas approach
Connection, is provided with check valve, the automatic regulating valve and the flue gas flow meter are equal between the gas approach and the surge tank
It is connected with controller.
2. desulfurizer according to claim 1, it is characterised in that the inwall of the flue is provided with anti-corrosion enamelled coating.
3. desulfurizer according to claim 1, it is characterised in that the middle part of the desulfurizing tower is provided with inlet, described
Inlet is communicated with shower, and the shower is located in the desulfurizing tower, and the shower is provided with multiple nozzles, the desulfurization
Position in tower below the inlet is provided with cyclone, and the desulfurizing tower internal upper part is provided with water collection device and water collection device branch
Frame, the top of the desulfurizing tower is provided with gas outlet.
4. desulfurizer according to claim 3, it is characterised in that the water collection device includes one-level water collection device and two grades of receipts
Hydrophone, the one-level water collection device is located at the lower section of two grades of water collection devices, the lower section of the one-level water collection device and two grades of water collection devices
Be respectively arranged below with spray irrigation pipe, the pipe that is sprayed is provided with multiple opening up flooding nozzles, spray punching
Pipe is washed to connect with industrial pond.
5. desulfurizer according to claim 4, it is characterised in that the gap between the blade of the one-level water collection device is big
Gap between the blade of two grades of water collection devices.
6. desulfurizer according to claim 1, it is characterised in that the desulfurization liquid circulating device includes circulating line,
Sedimentation basin, regenerated reactor, circulatory pool and circulating pump are sequentially provided with the circulating line.
7. desulfurizer according to claim 6, it is characterised in that the bottom of the sedimentation basin and the bottom of the regenerated reactor
Portion is respectively equipped with slag-drip opening.
8. desulfurizer according to claim 6, it is characterised in that the apparatus for preparing desulphurizing agent is prepared including desulfurizing agent
Pond, the desulfurizing agent prepares pond and is provided with water inlet, the first liquid outlet and the second liquid outlet, first liquid outlet and the desulfurization
Tower is connected, and second liquid outlet is connected with the regenerated reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720072188.XU CN206435035U (en) | 2017-01-20 | 2017-01-20 | Desulfurizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720072188.XU CN206435035U (en) | 2017-01-20 | 2017-01-20 | Desulfurizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206435035U true CN206435035U (en) | 2017-08-25 |
Family
ID=59636736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720072188.XU Expired - Fee Related CN206435035U (en) | 2017-01-20 | 2017-01-20 | Desulfurizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206435035U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112044910A (en) * | 2020-07-28 | 2020-12-08 | 湖南中联重科混凝土机械站类设备有限公司 | Dust pelletizing system and grit aggregate production line |
| CN113289448A (en) * | 2021-04-26 | 2021-08-24 | 国家能源集团宁夏煤业有限责任公司 | Desulfurization absorption tower, circulation tank, desulfurization device and desulfurization system |
-
2017
- 2017-01-20 CN CN201720072188.XU patent/CN206435035U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112044910A (en) * | 2020-07-28 | 2020-12-08 | 湖南中联重科混凝土机械站类设备有限公司 | Dust pelletizing system and grit aggregate production line |
| CN113289448A (en) * | 2021-04-26 | 2021-08-24 | 国家能源集团宁夏煤业有限责任公司 | Desulfurization absorption tower, circulation tank, desulfurization device and desulfurization system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170825 Termination date: 20190120 |