CN109011851A - The centering type Environmental-protection dust removal device of exhaust emissions in sulfuric acid industry - Google Patents
The centering type Environmental-protection dust removal device of exhaust emissions in sulfuric acid industry Download PDFInfo
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- CN109011851A CN109011851A CN201810965878.7A CN201810965878A CN109011851A CN 109011851 A CN109011851 A CN 109011851A CN 201810965878 A CN201810965878 A CN 201810965878A CN 109011851 A CN109011851 A CN 109011851A
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- Prior art keywords
- pipe
- exhaust pipe
- dedusting cabin
- exhaust
- control equipment
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- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 239000000428 dust Substances 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 18
- 231100000719 pollutant Toxicity 0.000 abstract description 18
- 239000002253 acid Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 235000011149 sulphuric acid Nutrition 0.000 description 8
- 239000001117 sulphuric acid Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 4
- 206010057071 Rectal tenesmus Diseases 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 239000003337 fertilizer Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 208000012271 tenesmus Diseases 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- AOSFMYBATFLTAQ-UHFFFAOYSA-N 1-amino-3-(benzimidazol-1-yl)propan-2-ol Chemical compound C1=CC=C2N(CC(O)CN)C=NC2=C1 AOSFMYBATFLTAQ-UHFFFAOYSA-N 0.000 description 1
- PQUCIEFHOVEZAU-UHFFFAOYSA-N Diammonium sulfite Chemical compound [NH4+].[NH4+].[O-]S([O-])=O PQUCIEFHOVEZAU-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/02—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The invention discloses the centering type Environmental-protection dust removal device of exhaust emissions in sulfuric acid industry, downtake pipe, curved pipe, second exhaust pipe are sequentially communicated at the top of end-o f-pipe -control equipment；Downtake pipe is connected close to one end of end-o f-pipe -control equipment with bypass pipe；The one end of second exhaust pipe far from curved pipe is connected with dedusting cabin, third exhaust pipe simultaneously, and dedusting cabin is in spherical, centre of sphere bias of the axis of second exhaust pipe relative to dedusting cabin；Acclivitous discharge section is arranged far from one end of second exhaust pipe in the axis horizontal of third exhaust pipe, third exhaust pipe；It further include balance tube, one end of balance tube is connected to dedusting cabin far from the side of end-o f-pipe -control equipment direction, and the other end of balance tube is connected to third exhaust pipe；Arc deflector is set in dedusting cabin.The present invention is entrained with particulate pollutant to solve the problems, such as in acid-producing apparatus is discharged in the prior art tail gas, the purpose realized automatic dust removing, reduce pollution.
Description
Technical field
The present invention relates to industrial acid making fields, and in particular to the centering type Environmental-protecting dust-removing dress of exhaust emissions in sulfuric acid industry
It sets.
Background technique
Sulfuric acid is widely used in each industrial department, mainly there is chemical fertilizer industry, metallurgical industry, petroleum industry, mechanical industry, doctor
Medicine industry, the production of detergent, war industry, atomic energy industry and aerospace industry etc..It is also used to produce dyestuff, pesticide, chemistry
Fiber, plastics, coating and various substantially organic and inorganic chemical products.Sulfuric acid industry is time-honored in chemical industry
Industrial department, world's sulphuric acid output are still increasing year by year.World sulphuric acid output 91152kt in 1970,143010kt in 1980,
147557kt in 1984.U.S.'s sulphuric acid output ranks first in the world, and production sulfuric acid 35863kt in 1984 accounts for Gross World Product
24%.The followed by former Soviet Union, production sulfuric acid 25300kt in 1984.Developing country's sulphuric acid output increases quickly.Morocco 1970
Year production sulfuric acid 275kt, occupies the 28th, the world, sulphuric acid output increases to 4295kt within 1984, has leapt to the 6th, the world.Brazil
The 11st and the 12nd, the world is also risen to respectively with the sulphuric acid output of Mexico.The maximum consumer of sulfuric acid is in various countries' being
Fertile industry.The Chinese industrial principal item of sulfuric acid is 92.5% and 98% concentrated sulfuric acid, and containing free sulfur trioxide 20%
Oleum.A small number of nitrification process sulfuric acid plants produce 75% dilute sulfuric acid, also produce 65% oleum, battery sulfuric acid, liquid
The products such as sulfur trioxide, sulfur dioxide liquid, ammonium sulfite, ammonium bisulfite.Nineteen eighty-three sulphuric acid output is 8.7Mt, accounts for the world
Third position.The consumption of sulfuric acid is mainly used for the production of chemical fertilizer He other industrial goods, and 60% or so of aggregate consumption is used for productionization
Fertilizer.During industrial Sulphuric acid, regardless of using what type of acid-producing apparatus, require to take off exhaust gas finally
Sulphur, denitration process make up to the tail gas standard met the requirements and are discharged again.But after having carried out desulphurization and denitration processing
Tail gas, only reached discharge standard in chemistry, in acid manufacturing processes generated dust, particle sundries etc. without
To being effectively treated, although harm chemically will not be generated after direct emission, air quality such as people may be concerned about
PM2.5 value brings pollution.
Summary of the invention
The purpose of the present invention is to provide the centering type Environmental-protection dust removal devices of exhaust emissions in sulfuric acid industry, existing to solve
There is the problem of being entrained with particulate pollutant in the tail gas that acid-producing apparatus is discharged in technology, realizes automatic dust removing, reduces to air
Pollution purpose.
The present invention is achieved through the following technical solutions:
The centering type Environmental-protection dust removal device of exhaust emissions, sets including the end-o f-pipe -control for emission in sulfuric acid industry
It is standby, it is sequentially communicated downtake pipe, curved pipe, second exhaust pipe at the top of the end-o f-pipe -control equipment, the downtake pipe,
The axis of second exhaust pipe is vertical, and downtake pipe, second exhaust pipe are facing each other；The downtake pipe leans on proximal end
One end of processing equipment is connected with bypass pipe, and by-passing valve is arranged on the bypass pipe；The concave surface of the curved pipe is downward, described
The one end of second exhaust pipe far from curved pipe is connected with dedusting cabin, third exhaust pipe simultaneously, and the dedusting cabin is in spherical, dedusting
The internal diameter in storehouse is greater than the internal diameter of second exhaust pipe, and dedusting cabin is located at the lower section of second exhaust tube end, the axis of second exhaust pipe
The centre of sphere relative to dedusting cabin is eccentric, and the centre of sphere of dedusting cabin is located between the axis and end-o f-pipe -control equipment of second exhaust pipe；Institute
The axis horizontal of third exhaust pipe is stated, and third exhaust pipe is located at one of second exhaust pipe far from end-o f-pipe -control equipment direction
Acclivitous discharge section, the top water of the discharge section is arranged far from one end of second exhaust pipe in side, the third exhaust pipe
It is flat；It further include balance tube, one end of the balance tube is connected to dedusting cabin far from the side of end-o f-pipe -control equipment direction, institute
The other end for stating balance tube is connected to third exhaust pipe；Arc deflector is set in the dedusting cabin, the arc deflector
Top is fixed on the inner wall of dedusting cabin, and the bottom end of the arc deflector is vacantly in dedusting cabin, and the top of arc deflector
Positioned at the top of dedusting cabin and balance tube junction, the centre of sphere direction of the concave surface of the arc deflector towards dedusting cabin.
Aiming at the problem that being entrained with particulate pollutant in the tail gas that acid-producing apparatus in the prior art is discharged, the present invention is proposed
The centering type Environmental-protection dust removal device of exhaust emissions in sulfuric acid industry, end-o f-pipe -control equipment are the tail gas in existing industrial acid making
Discharge end device is used for emission, such as denitration process tank in the prior art, desulfurization process tank.End-o f-pipe -control equipment
Top be sequentially communicated downtake pipe, curved pipe, second exhaust pipe, the downtake pipe, the axis of second exhaust pipe are equal
Vertically, and downtake pipe, second exhaust pipe are facing each other, and the concave surface of the curved pipe is downward, therefore first row in the present invention
Tracheae, curved pipe, second exhaust pipe collectively form the structure of inverted U.Bypass pipe, can tieback for carrying out interim discharge pipe
It is chemically treated again into the tail gas treatment devices such as out of stock process tank, desulfurization process tank, can also directly carry out discharge raising
Rate of discharge greatly improves versatility of the invention.Bypass pipe controls on-off by by-passing valve.Dedusting cabin is located at the in spherical
The lower section of two exhaust tube ends, the axis of second exhaust pipe cross the centre of sphere of dedusting cabin, and third exhaust pipe is the final row of this structure
Feed channel, third exhaust pipe are mutually perpendicular to second exhaust pipe, and third exhaust pipe is distributed along horizontal direction and arranges far from tail gas
End equipment is put, so that the discharge that tail gas is gentle.The axis of second exhaust pipe is eccentric relative to the centre of sphere of dedusting cabin, dedusting cabin
The centre of sphere is located between the axis and end-o f-pipe -control equipment of second exhaust pipe, is that dedusting cabin is biased to where end-o f-pipe -control equipment
The side in direction.Balance tube is used to balance the pressure between dedusting cabin and third exhaust pipe, avoids air-flow from pouring into dedusting cabin and leads
Air pressure is higher always in cause dedusting cabin causes dedusting cabin internal gas flow disorder.When specific works of the present invention, at desulphurization denitration
Tail gas after reason is discharged into downtake pipe from exhaust emissions end equipment, in downtake pipe when with larger kinetic energy
In travel up in curved pipe, begun to decline from the top of curved pipe, until enter second exhaust pipe in carry out straight down
Flowing, under the collective effect of upstream air pressure and gravity, tail gas rapid rundown is poured into dedusting cabin.Enter in air-flow and removes
Moment in dirt storehouse quickly spreads apart come around, and Reynolds number significantly becomes larger, and becomes extremely to mix by the fluidised form moment close to laminar flow
Random turbulent fluidised form, the interior dust carried secretly of tail gas and particulate pollutant and dedusting cabin inner wall carry out fierce collision, and kinetic energy obtains
To huge consumption, the biggish particulate pollutant of part mass, which can directly drop under the effect of gravity to dedusting cabin bottom, to be sunk
It forms sediment.Since dedusting cabin is spherical in shape and opposite second exhaust pipe is eccentric, tail gas is when tenesmus pours into dedusting cabin, straight line tenesmus
To the side close to balance tube direction, is stopped and drained by arc deflector, so that the air-flow of entrained dirt is along arc
The concave surface of shape deflector is flowed, until arc deflector surface is detached from from the lower end of arc deflector, further along spherical shape
Dedusting cabin inner wall continues to flow, and flow trace can tend to be moved along the arc orbit of dedusting cabin inner wall, the gas of entrained dirt
Constantly with wall friction in dedusting cabin, kinetic energy is constantly consumed stream, until dust can then be remained in and be removed when can not hold up dust
In dirt storehouse, and gas is discharged into third exhaust pipe at the top of dedusting cabin and is discharged.Meanwhile due to bias in the present invention
It is arranged and the presence of arc deflector, the sundries such as dust, particulate pollutant carries out unidirectional annularly flow with air-flow, only meeting
It is slipped over from arc deflector, dust, particulate pollutant cannot be introduced into balance tube, avoid dust and particulate pollutant passes through
Balance tube enters in third exhaust pipe, causes secondary pollution to the tail gas of discharge.But pure gas can also be due to pressure difference
Effect is discharged from being directly entered in third exhaust pipe from balance tube, so that balance tube plays the role of balancing pressure, is avoided
When exhaust flow is excessive, bulk gas is continual to be poured into dedusting cabin, and the row of returning of gas can not be carried out at the top of dedusting cabin, is led
It causes under the effect of dedusting cabin air pressure inside, tail gas causes dedusting to be failed from being directly entered in third exhaust pipe in second exhaust pipe
The problem of, it greatly ensures the efficient dust removing effects of steady and continuous of the present invention, greatly improves the scope of application of the invention.
In addition, working method of the invention is more soft when exhaust flow is smaller: since exhaust flow is small, tail gas does not have impact
The tail gas of ability, entrained dirt and particulate pollutant directly carries out separating for solid and gas in the lower end of second exhaust pipe, Gu
The dust and particulate pollutant of body are directly entered in dedusting cabin, and gas is divided into two parts, flow into dedusting cabin and the slowly respectively
In three exhaust pipes, into the partial tail gas direct emission in third exhaust pipe, into the partial tail gas in dedusting cabin from dedusting cabin
Top, which is returned, to be discharged into third exhaust pipe or enters third exhaust pipe via balance tube.The configuration of the present invention is simple solves existing skill
In the tail gas that acid-producing apparatus is discharged in art the problem of dust-laden, particulate pollutant, realizes to fully rely on and cleverly tie
Structure design realize automatic dust removing, reduce pollution technical effect, compared to the prior art in structure is complicated easily and needs to rely on
For the industrial dedusting equipment that energy consumption can be dusted, there is significant economic benefit.
Preferably, door is arranged in the bottom of the dedusting cabin；The bypass pipe is L-type pipe, and bypass pipe is far from first exhaust
One end of pipe is vertically upward；The cylinder of the Pneumatic gate valve is fixed in the first mounting bracket, first mounting bracket with
Discharge section welding.Door is located at dedusting cabin bottom, can be on and off, carries out convenient for staff to dedusting cabin inside clear
Reason.L-type pipe is while guaranteeing that bypass pipe facilitates tieback, additionally it is possible to convenient for bypass pipe as interim relief line in use,
The quick open flow exhaust directly into atmosphere, convenient for quickly spreading around for open flow gas.
Pneumatic gate valve is arranged in the top of the discharge section, and the flashboard of the Pneumatic gate valve is used to cover the top of discharge section
End, the cylinder of the Pneumatic gate valve are fixed in discharge section, further include the raindrop sensing being fixed on right above third exhaust pipe
The input terminal of device, the controller for being fixed on third exhaust pipe or discharge section bottom, the controller is connected with Raindrop sensor, institute
The output end for stating controller is connected with the cylinder of Pneumatic gate valve.The discharge section of top level can be avoided under dusty wind weather, outside
Sundries in air is blown in third exhaust pipe by portion's wind-force.Dust pollution in tail gas after dedusting cabin dust removal process simultaneously
The content of object object etc. is extremely low, and density is low, can be quickly discharged convenient for it by acclivitous discharge section.The but row of top level
It puts section and has following defects that rainwater can enter directly from discharge section and flow to third exhaust pipe along inclined discharge section
In, and then entered in dedusting cabin by balance tube, it influences to completely lose dedusting when the dust collection capacity or even excessive rainfall of dedusting cabin
Ability.Since dedusting cabin is located at eminence, staff often ascend a height open door carry out drainage sunk well human cost is very high, wind
Danger is very big；Likewise, discharge section is in higher position, when raining every time, staff ascends a height in spite of the rain, and to block discharge section same
Human cost is high, risk is big and there is also hysteresis qualitys, therefore these conventional measures are all difficult to use.In the case, this hair
It is bright to propose a kind of intelligentized system for preventing rainwater from entering discharge section, specifically, by being fixed on right above third exhaust pipe
Raindrop sensor monitor rainwater, there is no shelter right above third exhaust pipe, therefore rainwater can directly fall in raindrop sensing
On device, Raindrop sensor sends signal to controller, when controller receives the letter for monitoring rainwater that Raindrop sensor transmits
After number, the cylinder of Pneumatic gate valve is controlled, driving ram movement to the state of stretching out covers the top of discharge section by flashboard at this time
Portion, thus the function of realizing automatic rainproof water of intelligent automation.When controller receives the letter that Raindrop sensor transmits
When number becoming the not signal of rainwater again, then controls cylinder driving flashboard and withdraw, to open the top of discharge section.This place
The controller stated can be achieved using PLC logic controller in the prior art, single-chip microcontroller etc., and this will not be repeated here.This place
The Raindrop sensor stated uses Raindrop sensor in the prior art, such as the raindrop being applied in the automatic wiper system of automobile
Sensor etc., does not repeat them here equally.
The Raindrop sensor is fixed in the second mounting bracket, and second mounting bracket and third exhaust pipe weld.
Compared with prior art, the present invention having the following advantages and benefits:
1, in sulfuric acid industry of the present invention exhaust emissions centering type Environmental-protection dust removal device, enter in dedusting cabin in air-flow
Moment quickly spreads apart come around, and Reynolds number significantly becomes larger, and becomes extremely chaotic turbulent flow by the fluidised form moment close to laminar flow
Fluidised form, the interior dust carried secretly of tail gas and particulate pollutant and dedusting cabin inner wall carry out fierce collision, and kinetic energy obtains huge
Consumption, the biggish particulate pollutant of part mass can directly drop under the effect of gravity to dedusting cabin bottom and be precipitated.Due to
Dedusting cabin is spherical in shape and second exhaust pipe is eccentric relatively, therefore tail gas, when tenesmus pours into dedusting cabin, straight line drops to close
The side of balance tube direction is stopped and is drained by arc deflector, so that the air-flow of entrained dirt is along arc water conservancy diversion
The concave surface of plate is flowed, until arc deflector surface is detached from from the lower end of arc deflector, further along spherical dedusting cabin
Inner wall continues to flow, and flow trace can tend to be moved along the arc orbit of dedusting cabin inner wall, and the air-flow of entrained dirt is continuous
With wall friction in dedusting cabin, kinetic energy is constantly consumed, until dust can then remain in dedusting cabin when can not hold up dust
It is interior, and gas is discharged into third exhaust pipe at the top of dedusting cabin and is discharged.
2, in sulfuric acid industry of the present invention exhaust emissions centering type Environmental-protection dust removal device, due to eccentric setting and arc
The presence of shape deflector, the sundries such as dust, particulate pollutant carry out unidirectional annularly flow with air-flow, only can be from arc water conservancy diversion
It is slipped on plate, dust, particulate pollutant cannot be introduced into balance tube, avoid dust and particulate pollutant and enter by balance tube
In third exhaust pipe, secondary pollution is caused to the tail gas of discharge.
3, in sulfuric acid industry of the present invention exhaust emissions centering type Environmental-protection dust removal device, pure gas can also be due to
Differential pressure action is discharged from being directly entered in third exhaust pipe from balance tube, so that balance tube plays the role of balancing pressure,
When avoiding exhaust flow excessive, bulk gas is continual to be poured into dedusting cabin, can not carry out returning for gas at the top of dedusting cabin
Row causes in the case where dedusting cabin air pressure inside acts on, and tail gas leads to dedusting from being directly entered in third exhaust pipe in second exhaust pipe
The problem of failure, greatly ensures the efficient dust removing effects of steady and continuous of the present invention, greatly improves of the invention be applicable in
Range.
4, in sulfuric acid industry of the present invention exhaust emissions centering type Environmental-protection dust removal device, when exhaust flow is smaller, this
The working method of invention is more soft: since exhaust flow is small, tail gas does not have impact capacity, entrained dirt and particulate pollutant
Tail gas directly carry out the separation of solid and gas in the lower end of second exhaust pipe, the dust and particulate pollutant of solid directly into
Enter in dedusting cabin, gas is divided into two parts, flows into dedusting cabin and third exhaust pipe slowly respectively, into third exhaust pipe
Partial tail gas direct emission, return at the top of the dedusting cabin and discharged into third exhaust pipe or warp into the partial tail gas in dedusting cabin
Third exhaust pipe is entered by balance tube.
5, in sulfuric acid industry of the present invention exhaust emissions centering type Environmental-protection dust removal device, Raindrop sensor to controller send out
The number of delivering letters controls the cylinder of Pneumatic gate valve after controller receives the signal for monitoring rainwater that Raindrop sensor transmits,
It drives ram movement to the state of stretching out, the top of discharge section is covered by flashboard at this time, so that intelligent, automation realize
The function of automatic rainproof water.
6, in sulfuric acid industry of the present invention exhaust emissions centering type Environmental-protection dust removal device, bypass pipe for carry out it is interim
Discharge pipe, can tieback be chemically treated again into the tail gas treatment devices such as out of stock process tank, desulfurization process tank, can also be straight
It taps into row discharge and improves rate of discharge, greatly improve versatility of the invention.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the specific embodiment of the invention.
Label and corresponding parts title in attached drawing:
1- end-o f-pipe -control equipment, 2- downtake pipe, 3- curved pipe, 4- second exhaust pipe, 5- dedusting cabin, the exhaust of 6- third
Pipe, 7- door, 8- balance tube, 9- arc deflector, 10- discharge section, 11- bypass pipe, 12- by-passing valve, 13- flashboard, 14- gas
Cylinder, 15- Raindrop sensor, 16- controller, the first mounting bracket of 17-, the second mounting bracket of 18-.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1:
The centering type Environmental-protection dust removal device of exhaust emissions in sulfuric acid industry as shown in Figure 1, including it is used for emission
End-o f-pipe -control equipment 1, the top of the end-o f-pipe -control equipment 1 is sequentially communicated downtake pipe 2, curved pipe 3, second exhaust pipe
4, the downtake pipe 2, the axis of second exhaust pipe 4 are vertical, and downtake pipe 2, second exhaust pipe 4 are facing each other；
The downtake pipe 2 is connected close to one end of end-o f-pipe -control equipment 1 with bypass pipe 11, and bypass is arranged on the bypass pipe 11
Valve 12；The concave surface of the curved pipe 3 is downward, the described one end of second exhaust pipe 4 far from curved pipe 3 simultaneously with dedusting cabin 5, third
Exhaust pipe 6 is connected, and for the dedusting cabin 5 in spherical, the internal diameter of dedusting cabin 5 is greater than the internal diameter of second exhaust pipe 4, and dedusting cabin 5
In the lower section of 4 end of second exhaust pipe, the axis of second exhaust pipe 4 is eccentric relative to the centre of sphere of dedusting cabin 5, the ball of dedusting cabin 5
The heart is located between the axis and end-o f-pipe -control equipment 1 of second exhaust pipe 4；The axis horizontal of the third exhaust pipe 6, and third is arranged
Tracheae 6 is located at side of the second exhaust pipe 4 far from 1 direction of end-o f-pipe -control equipment, and the third exhaust pipe 6 is far from second row
Acclivitous discharge section 10 is arranged in one end of tracheae 4, and the top of the discharge section 10 is horizontal；It further include balance tube 8, the weighing apparatus
One end of pressure pipe 8 is connected to dedusting cabin 5 far from the side of 1 direction of end-o f-pipe -control equipment, the other end of the balance tube 8 with
Third exhaust pipe 6 is connected to；Arc deflector 9 is set in the dedusting cabin 5, the top of the arc deflector 9 is fixed on dedusting
The inner wall in storehouse 5, the bottom end of the arc deflector 9 is vacantly in dedusting cabin 5, and the top of arc deflector 9 is located at dedusting cabin 5
With the top of 8 junction of balance tube, the centre of sphere direction of the concave surface of the arc deflector 9 towards dedusting cabin 5.
It is tested using the high pollution air that known PM2.5 is 500 is passed through in the present embodiment terminad processing equipment 1,
When the air mass flow being passed through is 500L/min, the PM2.5 value for the air being finally discharged from third exhaust pipe is 107；When logical
When the air mass flow entered is 300L/min, the PM2.5 value for the air being finally discharged from third exhaust pipe is 131；When what is be passed through
When air mass flow is 100L/min, the PM2.5 value for the air being finally discharged from third exhaust pipe is 176.It can be seen that this Shen
It please can be effectively reduced the particle contamination levels in air-flow, reduce the pollution level of emission.Air-flow velocity is bigger simultaneously,
The treatment effect of the application is better.
Embodiment 2:
The centering type Environmental-protection dust removal device of exhaust emissions in sulfuric acid industry as shown in Figure 1, on the basis of embodiment 1
On, door 7 is arranged in the bottom of the dedusting cabin 5；The bypass pipe 11 be L-type pipe, bypass pipe 11 far from downtake pipe 2 one
End is vertical upward；The cylinder 14 of the Pneumatic gate valve is fixed in the first mounting bracket 17, first mounting bracket 17 with
Discharge section 10 is welded.Pneumatic gate valve is arranged in the top of the discharge section 10, and the flashboard 13 of the Pneumatic gate valve is for covering
The cylinder 14 on the top of discharge section 10, the Pneumatic gate valve is fixed in discharge section 10, further includes being fixed on third exhaust pipe 6
The Raindrop sensor 15 of surface, the controller 16 for being fixed on 10 bottom of third exhaust pipe 6 or discharge section, the controller 16
Input terminal is connected with Raindrop sensor 15, and the output end of the controller 16 is connected with the cylinder 14 of Pneumatic gate valve.The rain
Drop sensor 15 is fixed in the second mounting bracket 18, and second mounting bracket 18 is welded with third exhaust pipe 6.
Raindrop sensor 15 used in the present embodiment is the Arduino raindrop induction module of 3c-go company, this implementation
Controller 16 used in example is the 232-0HB/D22-0XA0 type PLC that Austria more believes science and technology.The present embodiment reaches in precipitation
When the occasional drizzles of 0.25mm/h, the effect that discharge section 10 is blocked automatically by Pneumatic gate valve can be realized.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (4)
1. the centering type Environmental-protection dust removal device of exhaust emissions in sulfuric acid industry, including the end-o f-pipe -control equipment for emission
(1), which is characterized in that downtake pipe (2), curved pipe (3), second are sequentially communicated at the top of the end-o f-pipe -control equipment (1)
Exhaust pipe (4), the downtake pipe (2), the axis of second exhaust pipe (4) are vertical, and downtake pipe (2), second row
Tracheae (4) is facing each other；The downtake pipe (2) is connected close to the one end of end-o f-pipe -control equipment (1) with bypass pipe (11),
By-passing valve (12) are set on the bypass pipe (11)；The concave surface of the curved pipe (3) is downward, and the second exhaust pipe (4) is separate
One end of curved pipe (3) is connected with dedusting cabin (5), third exhaust pipe (6) simultaneously, and the dedusting cabin (5) is in spherical, dedusting cabin
(5) internal diameter is greater than the internal diameter of second exhaust pipe (4), and dedusting cabin (5) is located at the lower section of second exhaust pipe (4) end, second row
The axis of tracheae (4) is eccentric relative to the centre of sphere of dedusting cabin (5), and the centre of sphere of dedusting cabin (5) is located at the axis of second exhaust pipe (4)
Between end-o f-pipe -control equipment (1)；The axis horizontal of the third exhaust pipe (6), and third exhaust pipe (6) is located at second exhaust
The side of pipe (4) far from end-o f-pipe -control equipment (1) direction, the one of the third exhaust pipe (6) separate second exhaust pipe (4)
Acclivitous discharge section (10) is arranged in end, and the top of the discharge section (10) is horizontal；It further include balance tube (8), the weighing apparatus pressure
The side for managing separate end-o f-pipe -control equipment (1) direction in one end and dedusting cabin (5) of (8) is connected to, the balance tube (8) it is another
One end is connected to third exhaust pipe (6)；Arc deflector (9) are set in the dedusting cabin (5), the arc deflector (9)
Top is fixed on the inner wall of dedusting cabin (5), and the bottom end of the arc deflector (9) is vacantly interior in dedusting cabin (5), and arc water conservancy diversion
The top of plate (9) is located at the top of dedusting cabin (5) Yu balance tube (8) junction, and the concave surface direction of the arc deflector (9) is removed
The centre of sphere direction in dirt storehouse (5).
2. the centering type Environmental-protection dust removal device of exhaust emissions in sulfuric acid industry according to claim 1, which is characterized in that
Door (7) are arranged in the bottom of the dedusting cabin (5)；The bypass pipe (11) is L-type pipe, and bypass pipe (11) is far from downtake pipe
(2) one end is vertically upward；The cylinder (14) of the Pneumatic gate valve is fixed on the first mounting bracket (17), first peace
Bracket (17) and discharge section (10) are filled to weld.
3. the centering type Environmental-protection dust removal device of exhaust emissions in sulfuric acid industry according to claim 1, which is characterized in that
Pneumatic gate valve is arranged in the top of the discharge section (10), and the flashboard (13) of the Pneumatic gate valve is for covering discharge section (10)
Top, it further includes being fixed on third exhaust pipe (6) just that the cylinder (14) of the Pneumatic gate valve, which is fixed on discharge section (10),
The Raindrop sensor (15) of top, the controller (16) for being fixed on third exhaust pipe (6) or discharge section (10) bottom, the control
The input terminal of device (16) is connected with Raindrop sensor (15), the output end of the controller (16) and the cylinder of Pneumatic gate valve
(14) it is connected.
4. the centering type Environmental-protection dust removal device of exhaust emissions in sulfuric acid industry according to claim 3, which is characterized in that
The Raindrop sensor (15) is fixed on the second mounting bracket (18), second mounting bracket (18) and third exhaust pipe
(6) it welds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810965878.7A CN109011851A (en) | 2018-08-23 | 2018-08-23 | The centering type Environmental-protection dust removal device of exhaust emissions in sulfuric acid industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810965878.7A CN109011851A (en) | 2018-08-23 | 2018-08-23 | The centering type Environmental-protection dust removal device of exhaust emissions in sulfuric acid industry |
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| Publication Number | Publication Date |
|---|---|
| CN109011851A true CN109011851A (en) | 2018-12-18 |
Family
ID=64627133
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810965878.7A Pending CN109011851A (en) | 2018-08-23 | 2018-08-23 | The centering type Environmental-protection dust removal device of exhaust emissions in sulfuric acid industry |
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| Country | Link |
|---|---|
| CN (1) | CN109011851A (en) |
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| CN206730758U (en) * | 2017-05-22 | 2017-12-12 | 郑州洁普智能环保技术有限公司 | Negative pressure dust removing device |
| CN107890744A (en) * | 2017-12-22 | 2018-04-10 | 郑州龙威电子科技有限公司 | Cleaner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07275647A (en) * | 1994-04-07 | 1995-10-24 | Babcock Hitachi Kk | High performance exhaust gas treatment apparatus and method therefor |
| CN101254381A (en) * | 2007-03-01 | 2008-09-03 | 卓卫民 | Dust collection method using pipeline sedimentation and dust removing equipment |
| CN202869198U (en) * | 2012-11-09 | 2013-04-10 | 中国神华能源股份有限公司 | Dust removal device used for brown coal drying system and brown coal drying system |
| CN103657261A (en) * | 2013-11-29 | 2014-03-26 | 安徽六国化工股份有限公司 | Gravity settling chamber for monoammonium phosphate tail gas dustfall |
| CN205324013U (en) * | 2015-12-03 | 2016-06-22 | 安徽金秸能生物科技有限公司 | Tail gas processing apparatus of living beings crude oil production equipment |
| CN206730758U (en) * | 2017-05-22 | 2017-12-12 | 郑州洁普智能环保技术有限公司 | Negative pressure dust removing device |
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Application publication date: 20181218 |