CN108993077A - A kind of intelligent tail gas discharge system with automatic dedusting function - Google Patents
A kind of intelligent tail gas discharge system with automatic dedusting function Download PDFInfo
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- CN108993077A CN108993077A CN201810966729.2A CN201810966729A CN108993077A CN 108993077 A CN108993077 A CN 108993077A CN 201810966729 A CN201810966729 A CN 201810966729A CN 108993077 A CN108993077 A CN 108993077A
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- pipe
- exhaust pipe
- tail gas
- dedusting cabin
- discharge section
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- 238000003466 welding Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 22
- 239000003344 environmental pollutant Substances 0.000 abstract description 14
- 231100000719 pollutant Toxicity 0.000 abstract description 14
- 239000002253 acid Substances 0.000 abstract description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 31
- 238000000034 method Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 9
- 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
- 230000005484 gravity Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000007787 solid Substances 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
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003337 fertilizer Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 206010057071 Rectal tenesmus Diseases 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000000739 chaotic effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 208000012271 tenesmus Diseases 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 230000009286 beneficial 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
- 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
- 238000009826 distribution Methods 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of intelligent tail gas discharge system with automatic dedusting function is sequentially communicated downtake pipe, curved pipe, second exhaust pipe at the top of end-o f-pipe -control device, and downtake pipe is connected with bypass pipe；The concave surface of curved pipe is downward, the one end of second exhaust pipe far from curved pipe is connected with dedusting cabin, third exhaust pipe simultaneously, the axis horizontal of third exhaust pipe, acclivitous discharge section is arranged far from one end of second exhaust pipe in third exhaust pipe, Pneumatic gate valve is arranged in the top of discharge section, further includes the controller for being fixed on Raindrop sensor right above third exhaust pipe, being fixed on third exhaust pipe or discharge section bottom；One end of balance tube is connected to dedusting cabin far from the side of end-o f-pipe -control device direction, and the other end of balance tube is connected to third exhaust pipe.The present invention is to solve the problems, such as dust-laden, particulate pollutant 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 a kind of intelligent exhaust emissions system with automatic dedusting function
System.
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 a kind of intelligent tail gas discharge system with automatic dedusting function, it is existing to solve
In the tail gas that acid-producing apparatus is discharged in technology the problem of dust-laden, particulate pollutant, realizes automatic dust removing, reduces pollution
Purpose.
The present invention is achieved through the following technical solutions:
A kind of intelligent tail gas discharge system with automatic dedusting function, including the end-o f-pipe -control dress for emission
It sets, is sequentially communicated downtake pipe, curved pipe, second exhaust pipe at the top of the end-o f-pipe -control device, 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 unit 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, and second
The axis of exhaust pipe crosses the centre of sphere of dedusting cabin, and the internal diameter of dedusting cabin is greater than the internal diameter of second exhaust pipe, and dedusting cabin is located at second row
The underface of tracheae end, the axis horizontal of the third exhaust pipe, and third exhaust pipe are located at second exhaust pipe far from end
Acclivitous discharge is arranged far from one end of second exhaust pipe in the side of processing unit direction, the third exhaust pipe
The top of section, the discharge section is horizontal, and Pneumatic gate valve is arranged in the top of the discharge section, and the flashboard of the Pneumatic gate valve is used
In the top for covering discharge section, it further includes being fixed on third exhaust pipe that the cylinder of the Pneumatic gate valve, which is fixed in discharge section,
The Raindrop sensor of surface, the controller for being fixed on third exhaust pipe or discharge section bottom, the input terminal of the controller with
Raindrop sensor is connected, and the output end of the controller is connected with the cylinder of Pneumatic gate valve；The bottom of the dedusting cabin is arranged
Door further includes balance tube, and one end of the balance tube is connected to dedusting cabin far from the side of end-o f-pipe -control device direction,
The other end of the balance tube is connected to third exhaust pipe.
Aiming at the problem that dust-laden, particulate pollutant in the tail gas that acid-producing apparatus in the prior art is discharged, this hair
It is bright to propose that a kind of intelligent tail gas discharge system with automatic dedusting function, end-o f-pipe -control device are in existing industrial acid making
Exhaust emissions end equipment is used for emission, such as denitration process tank in the prior art, desulfurization process tank.End-o f-pipe -control
Downtake pipe, curved pipe, second exhaust pipe, the axis of the downtake pipe, second exhaust pipe are sequentially communicated at the top of device
Line is vertical, and downtake pipe, second exhaust pipe are facing each other, and the concave surface of the curved pipe is downward, therefore in the present invention
One exhaust pipe, curved pipe, second exhaust pipe collectively form the structure of inverted U.Bypass pipe, can for carrying out interim discharge pipe
Tieback is chemically treated again into the tail gas treatment devices such as out of stock process tank, desulfurization process tank, can also directly be discharged
Rate of discharge is improved, versatility of the invention is greatly improved.Bypass pipe controls on-off by by-passing valve.Dedusting cabin is in spherical, position
In the underface of second exhaust tube end, the axis of second exhaust pipe crosses the centre of sphere of dedusting cabin, third exhaust pipe be this structure most
Whole exhaust pipe, third exhaust pipe are mutually perpendicular to second exhaust pipe, and third exhaust pipe is along horizontal direction distribution and separate
Exhaust emissions end equipment, so that the discharge that tail gas is gentle.Door is located at dedusting cabin bottom, can be on and off, is convenient for work
Make personnel to clear up dedusting cabin inside.Balance tube is used to balance the pressure between dedusting cabin and third exhaust pipe, avoids gas
Purling enters to cause in dedusting cabin in dedusting cabin air pressure is higher always to cause dedusting cabin internal gas flow disorder.Specific works of the present invention
When, it is discharged into downtake pipe by desulphurization denitration treated tail gas from exhaust emissions end equipment, with larger
It travels up in curved pipe in downtake pipe when kinetic energy, is begun to decline from the top of curved pipe, until entering second row
Flowing straight down is carried out in tracheae, under the collective effect of upstream air pressure and gravity, tail gas rapid rundown, which pours into, to be removed
In dirt storehouse.Since dedusting cabin is spherical in shape, and spherical diameter is greater than the internal diameter of second exhaust pipe, therefore tail gas is poured into tenesmus and removed
When in dirt storehouse, moment spreads apart around comes, and Reynolds number significantly becomes larger, and becomes extremely chaotic by the fluidised form moment close to laminar flow
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 huge
Big consumption, the biggish particulate pollutant of part mass can directly drop under the effect of gravity to dedusting cabin bottom and be precipitated.
Meanwhile the air-flow entrainment lesser dust of quality is moved in dedusting cabin, and since dedusting cabin is spherical in shape, motion profile meeting
Tend to be moved along arc orbit, constantly with wall friction in dedusting cabin, kinetic energy is constantly consumed the air-flow of entrained dirt, directly
When can not extremely hold up dust, dust can then be remained in dedusting cabin, and gas is discharged into third exhaust at the top of dedusting cabin
It is discharged in pipe.Meanwhile gas can also be discharged from being directly entered in third exhaust pipe from balance tube, balance tube can also
Enough play the role of balancing pressure, when avoiding exhaust flow excessive, bulk gas is continual to be poured into dedusting cabin, dedusting cabin
Top can not carry out the row of returning of gas, cause in the case where dedusting cabin air pressure inside acts on, tail gas is directly entered from second exhaust pipe
In third exhaust pipe, the problem of causing dedusting to be failed, the efficient dust removing effects of steady and continuous of the present invention are greatly ensured, greatly
Improve the scope of application of the invention.In addition, working method of the invention is more soft when exhaust flow is smaller: due to
Exhaust flow is small, and tail gas does not have impact capacity, and the tail gas of entrained dirt and particulate pollutant is straight in the lower end of second exhaust pipe
The separation of row solid and gas is tapped into, the dust and particulate pollutant of solid are directly entered in dedusting cabin, and gas is divided into two parts,
It flows into dedusting cabin and third exhaust pipe slowly respectively, into the partial tail gas direct emission in third exhaust pipe, into removing
Partial tail gas in dirt storehouse returns at the top of dedusting cabin to be discharged into third exhaust pipe or enters third exhaust pipe via balance tube.This
Inventive structure is simple, solves dust-laden in the tail gas that acid-producing apparatus in the prior art is discharged, particulate pollutant is asked
Topic realizes the technical effect for fully relying on that cleverly structure design realizes automatic dust removing, reduces pollution, compared to the prior art
In for structure is complicated easily and the industrial dedusting equipment that needs to be dusted by energy consumption, there is significant warp
Ji benefit.In addition, the discharge section of top level can be avoided under dusty wind weather in the present invention, external wind will be miscellaneous in air
Object is blown in third exhaust pipe.The content of dust pollutant object etc. is extremely low in the tail gas after dedusting cabin dust removal process simultaneously,
Density is low, can be quickly discharged convenient for it by acclivitous discharge section.But the discharge section of top level has following defects that
Rainwater can directly be flow in third exhaust pipe from entrance from discharge section and along inclined discharge section, and then pass through balance tube
Into in dedusting cabin, influence to completely lose dust collection capacity when the dust collection capacity or even excessive rainfall of dedusting cabin.Due to dedusting position in storehouse
In eminence, staff often ascend a height open door carry out drainage sunk well human cost it is very high, very risky；Likewise, row
It puts section and is in higher position, staff ascends a height in spite of the rain when raining every time blocks the same human cost height of discharge section, risk
Greatly and there is also hysteresis qualitys, therefore these conventional measures are all difficult to use.In the case, the invention proposes a kind of intelligence
The rainwater that prevents of energyization enters the system of discharge section, specifically, being supervised by being fixed on the Raindrop sensor right above third exhaust pipe
Rainwater is surveyed, does not have shelter right above third exhaust pipe, therefore rainwater can be directly fallen on Raindrop sensor, Raindrop sensor
Signal is sent to controller, after controller receives the signal for monitoring rainwater that Raindrop sensor transmits, controls pneumatic brake
The cylinder of plate valve, driving ram movement cover the top of discharge section to the state of stretching out by flashboard at this time, thus it is intelligent, oneself
The function of realizing automatic rainproof water of dynamicization.Become not raining again when controller receives the signal that Raindrop sensor transmits
When the signal of water, then controls cylinder driving flashboard and withdraw, to open the top of discharge section.Controller described herein uses existing
There is PLC logic controller, single-chip microcontroller in technology etc. to can be achieved, this will not be repeated here.Raindrop sensor described herein makes
With Raindrop sensor in the prior art, such as the Raindrop sensor being applied in the automatic wiper system of automobile, equally not
It repeats.
Preferably, strainer is arranged in one end that the balance tube is connected with dedusting cabin.Avoid the dust being deposited in dedusting cabin
Enter in third exhaust pipe with particulate pollutant by balance tube, secondary pollution is caused to the tail gas of discharge.The mesh of the strainer
Number is 90~110 mesh.
The bypass pipe is L-type pipe, and the one end of bypass pipe far from downtake pipe is vertically upward.Guaranteeing that bypass pipe is convenient
While 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.
The cylinder of the Pneumatic gate valve is fixed in the first mounting bracket, and first mounting bracket and discharge section are welded
It connects.
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, a kind of intelligent tail gas discharge system with automatic dedusting function of the present invention, by desulphurization denitration treated tail
Gas is discharged into downtake pipe from exhaust emissions end equipment, to upstream in downtake pipe when with larger kinetic energy
It moves to curved pipe, is begun to decline from the top of curved pipe, until enter the flowing carried out in second exhaust pipe straight down,
Under the collective effect of upstream air pressure and gravity, tail gas rapid rundown is poured into dedusting cabin.Since dedusting cabin is spherical in shape, and ball
The diameter of shape is greater than the internal diameter of second exhaust pipe, therefore tail gas, when tenesmus pours into dedusting cabin, moment spreads apart around comes,
Reynolds number significantly becomes larger, and becomes extremely chaotic turbulent fluidised form by the fluidised form moment close to laminar flow, the dust carried secretly in tail gas and
Particulate pollutant and dedusting cabin inner wall carry out fierce collision, and kinetic energy obtains huge consumption, the biggish particle of part mass
Pollutant can directly drop under the effect of gravity to dedusting cabin bottom and be precipitated.
2, a kind of intelligent tail gas discharge system with automatic dedusting function of the present invention, air-flow carry the lesser dust of quality secretly
It is moved in dedusting cabin, since dedusting cabin is spherical in shape, motion profile can tend to be moved along arc orbit, entrainment
Constantly with wall friction in dedusting cabin, kinetic energy is constantly consumed the air-flow of dust, until dust then can when can not hold up dust
It remains in dedusting cabin, and gas is discharged into third exhaust pipe at the top of dedusting cabin and is discharged.
3, a kind of intelligent tail gas discharge system with automatic dedusting function of the present invention, gas can also be straight from balance tube
It tapping into third exhaust pipe and is discharged, balance tube can also play the role of balancing pressure, when avoiding exhaust flow 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 caused inside dedusting cabin
Under gas pressure, tail gas is from the problem of causing dedusting to be failed in third exhaust pipe is directly entered in second exhaust pipe, greatly really
The efficient dust removing effects of steady and continuous of the present invention have been protected, the scope of application of the invention is greatly improved.
4, a kind of intelligent tail gas discharge system with automatic dedusting function of the present invention, when exhaust flow is smaller, this hair
Bright working method is more soft: since exhaust flow is small, tail gas does not have impact capacity, entrained dirt and particulate pollutant
Tail gas directly carries out the separation of solid and gas in the lower end of second exhaust pipe, and the dust and particulate pollutant of solid are directly entered
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, returned at the top of the dedusting cabin into the partial tail gas in dedusting cabin discharge into third exhaust pipe or via
Balance tube enters third exhaust pipe.
5, a kind of intelligent tail gas discharge system with automatic dedusting function of the present invention, Raindrop sensor are sent to controller
Signal controls the cylinder of Pneumatic gate valve after controller receives the signal for monitoring rainwater that Raindrop sensor transmits, and drives
Dynamic ram movement covers the top of discharge section, so that intelligent, automation realize certainly to the state of stretching out by flashboard at this time
The function of dynamic rainwater-proof.
6, a kind of intelligent tail gas discharge system with automatic dedusting function of the present invention, bypass pipe is for carrying out interim row
Put pipeline, 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 direct
It carries out 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 device, 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- strainer, 10- discharge section, 11- bypass pipe, 12- by-passing valve, 13- flashboard, 14- cylinder, 15- rain
Drip 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:
A kind of intelligent tail gas discharge system with automatic dedusting function as shown in Figure 1, including for emission
End-o f-pipe -control device 1, the top of the end-o f-pipe -control device 1 are 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；Institute
It states downtake pipe 2 to be connected close to one end of end-o f-pipe -control device 1 with bypass pipe 11, by-passing valve is set on the bypass pipe 11
12；The concave surface of the curved pipe 3 is downward, and the described one end of second exhaust pipe 4 far from curved pipe 3 is arranged with dedusting cabin 5, third simultaneously
Tracheae 6 is connected, and for the dedusting cabin 5 in spherical, the axis of second exhaust pipe 4 crosses the centre of sphere of dedusting cabin 5, the internal diameter of dedusting cabin 5
Greater than the internal diameter of second exhaust pipe 4, dedusting cabin 5 is located at the underface of 4 end of second exhaust pipe, the axis of the third exhaust pipe 6
Line is horizontal, and third exhaust pipe 6 is located at side of the second exhaust pipe 4 far from 1 direction of end-o f-pipe -control device, the third row
Acclivitous discharge section 10 is arranged far from one end of second exhaust pipe 4 in tracheae 6, and the top of the discharge section 10 is horizontal, described
Pneumatic gate valve is arranged in the top of discharge section 10, and the flashboard 13 of the Pneumatic gate valve is used to cover the top of discharge section 10, institute
The cylinder 14 for stating Pneumatic gate valve is fixed in discharge section 10, further includes the raindrop sensing being fixed on right above third exhaust pipe 6
Device 15, the controller 16 for being fixed on 10 bottom of third exhaust pipe 6 or discharge section, the input terminal and raindrop of the controller 16 sense
Device 15 is connected, and the output end of the controller 16 is connected with the cylinder 14 of Pneumatic gate valve；Storehouse is arranged in the bottom of the dedusting cabin 5
Door 7, further includes balance tube 8, and one end of the balance tube 8 and dedusting cabin 5 connect far from the side of 1 direction of end-o f-pipe -control device
Logical, the other end of the balance tube 8 is connected to third exhaust pipe 6.
It is tested using the high pollution air that known PM2.5 is 500 is passed through in the present embodiment terminad processing unit 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 120；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 144；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 198.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.
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.
Embodiment 2:
A kind of intelligent tail gas discharge system with automatic dedusting function as shown in Figure 1, on the basis of embodiment 1,
Strainer 9 is arranged in one end that the balance tube 8 is connected with dedusting cabin 5；The mesh number of the strainer 9 is 90~110 mesh.The bypass pipe
11 be L-type pipe, and the one end of bypass pipe 11 far from downtake pipe 2 is vertically upward.The cylinder 14 of the Pneumatic gate valve is fixed on
In first mounting bracket 17, first mounting bracket 17 is welded with discharge section 10.The Raindrop sensor 15 is fixed on second
In mounting bracket 18, second mounting bracket 18 is welded with third exhaust pipe 6.
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 (5)
1. a kind of intelligent tail gas discharge system with automatic dedusting function, including the end-o f-pipe -control device 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 device (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 device (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, second row
The axis of tracheae (4) crosses the centre of sphere of dedusting cabin (5), and the internal diameter of dedusting cabin (5) is greater than the internal diameter of second exhaust pipe (4), dedusting cabin
(5) it is located at the underface of second exhaust pipe (4) end, the axis horizontal of the third exhaust pipe (6), and third exhaust pipe (6)
Side positioned at second exhaust pipe (4) far from end-o f-pipe -control device (1) direction, the third exhaust pipe (6) is far from second
Acclivitous discharge section (10) is arranged in one end of exhaust pipe (4), and the top of the discharge section (10) is horizontal, the discharge section
(10) Pneumatic gate valve is arranged in top, and the flashboard (13) of the Pneumatic gate valve is used to cover the top of discharge section (10), institute
The cylinder (14) for stating Pneumatic gate valve is fixed on discharge section (10), further includes the rain being fixed on right above third exhaust pipe (6)
Drop sensor (15), the controller (16) for being fixed on third exhaust pipe (6) or discharge section (10) bottom, 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；
Door (7) are arranged in the bottom of the dedusting cabin (5), further include balance tube (8), one end and dedusting cabin (5) of the balance tube (8)
Side far from end-o f-pipe -control device (1) direction is connected to, and the other end of the balance tube (8) and third exhaust pipe (6) are even
It is logical.
2. a kind of intelligent tail gas discharge system with automatic dedusting function according to claim 1, which is characterized in that institute
State one end setting strainer (9) that balance tube (8) is connected with dedusting cabin (5)；The mesh number of the strainer (9) is 90~110 mesh.
3. a kind of intelligent tail gas discharge system with automatic dedusting function according to claim 1, which is characterized in that institute
Stating bypass pipe (11) is L-type pipe, and the one end of bypass pipe (11) far from downtake pipe (2) is vertically upward.
4. a kind of intelligent tail gas discharge system with automatic dedusting function according to claim 1, which is characterized in that institute
The cylinder (14) for stating Pneumatic gate valve is fixed on the first mounting bracket (17), first mounting bracket (17) and discharge section
(10) it welds.
5. a kind of intelligent tail gas discharge system with automatic dedusting function according to claim 1, which is characterized in that institute
It states Raindrop sensor (15) to be fixed on the second mounting bracket (18), second mounting bracket (18) and third exhaust pipe (6)
Welding.
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| CN201810966729.2A CN108993077A (en) | 2018-08-23 | 2018-08-23 | A kind of intelligent tail gas discharge system with automatic dedusting function |
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| CN201810966729.2A CN108993077A (en) | 2018-08-23 | 2018-08-23 | A kind of intelligent tail gas discharge system with automatic dedusting function |
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| CN108993077A true CN108993077A (en) | 2018-12-14 |
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