CN108939702A - Exhaust emissions end pipeline structure for acid making system - Google Patents
Exhaust emissions end pipeline structure for acid making system Download PDFInfo
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- CN108939702A CN108939702A CN201810966755.5A CN201810966755A CN108939702A CN 108939702 A CN108939702 A CN 108939702A CN 201810966755 A CN201810966755 A CN 201810966755A CN 108939702 A CN108939702 A CN 108939702A
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- Prior art keywords
- pipe
- exhaust pipe
- exhaust
- dedusting cabin
- making system
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- 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
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/06—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by reversal of direction of flow
-
- 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
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- 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
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses the exhaust emissions end pipeline structures for acid making system, including the end-o f-pipe -control device for emission, downtake pipe is sequentially communicated at the top of end-o f-pipe -control device, curved pipe, second exhaust pipe, downtake pipe, the axis of second exhaust pipe is vertical, the concave surface of curved pipe is downward, the one end of second exhaust pipe far from curved pipe simultaneously and dedusting cabin, third exhaust pipe is connected, dedusting cabin is in spherical, the diameter of dedusting cabin is greater than the internal diameter of second exhaust pipe, dedusting cabin is located at the underface of second exhaust tube end, the axis horizontal of third exhaust pipe；Door is arranged in the bottom of dedusting cabin, further includes balance tube, 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 the exhaust emissions end pipeline structure for acid making 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 the exhaust emissions end pipeline structures for acid making system, to solve the prior art
In the tail gas that middle acid-producing apparatus is discharged the problem of dust-laden, particulate pollutant, realizes automatic dust removing, reduces the mesh polluted
's.
The present invention is achieved through the following technical solutions:
For the exhaust emissions end pipeline structure of acid making system, including the end-o f-pipe -control device for emission, institute
It states and is sequentially communicated downtake pipe, curved pipe, second exhaust pipe at the top of end-o f-pipe -control device, the downtake pipe, second
The axis of exhaust pipe is vertical, and downtake pipe, second exhaust pipe are facing each other, and 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 diameter in storehouse is greater than the internal diameter of second exhaust pipe, and dedusting cabin is located at the underface of second exhaust tube end, the third exhaust pipe
Axis horizontal, and third exhaust pipe is located at side of the second exhaust pipe far from end-o f-pipe -control device direction；The dedusting
Door is arranged in the bottom in storehouse, further includes balance tube, one end of the balance tube and dedusting cabin are far from end-o f-pipe -control device place side
To side be connected to, 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
The bright exhaust emissions end pipeline structure for proposing to be used for acid making system, end-o f-pipe -control device are existing exhaust emissions end dress
It sets, is used for emission, such as denitration process tank in the prior art, desulfurization process tank.The top of end-o f-pipe -control device is successively
It is connected to downtake pipe, curved pipe, second exhaust pipe, the downtake pipe, the axis of second exhaust pipe are vertical, and first
Exhaust pipe, second exhaust pipe are facing each other, and the concave surface of the curved pipe is downward, thus downtake pipe in the present invention, curved pipe,
Second exhaust pipe collectively forms the structure of inverted U.Dedusting cabin is in spherical, positioned at the underface of second exhaust tube end, third row
Tracheae is the final exhaust pipe of this structure, and third exhaust pipe is mutually perpendicular to second exhaust pipe, and third exhaust pipe is along level
Directional spreding and separate exhaust emissions end equipment, so that the discharge that tail gas is gentle.Door is located at dedusting cabin bottom, can open
With closing, dedusting cabin inside is cleared up convenient for staff.Balance tube is for balancing between dedusting cabin and third exhaust pipe
Pressure, avoiding air-flow from pouring into dedusting cabin leads in dedusting cabin that air pressure is higher always to cause dedusting cabin internal gas flow disorder.This
When invention specific works, downtake pipe is discharged into from exhaust emissions end equipment by desulphurization denitration treated tail gas
In, it travels up in curved pipe, is begun to decline from the top of curved pipe, directly in downtake pipe when with larger kinetic energy
Carry out flowing straight down to entering in second exhaust pipe, under the collective effect of upstream air pressure and gravity, tail gas quickly to
Lower flowing pours into dedusting cabin.Since dedusting cabin is spherical in shape, and spherical diameter is greater than the internal diameter of second exhaust pipe, therefore tail gas
When tenesmus pours into dedusting cabin, moment spreads apart around comes, and Reynolds number significantly becomes larger, by the fluidised form moment change close to laminar flow
At extremely chaotic turbulent fluidised form, the dust and particulate pollutant and dedusting cabin inner wall carried secretly in tail gas carry out fierce collision,
Its kinetic energy obtains huge consumption, and the biggish particulate pollutant of part mass can be directly dropped under the effect of gravity to dedusting cabin bottom
It is precipitated in portion.Meanwhile the air-flow entrainment lesser dust of quality is moved in dedusting cabin, since dedusting cabin is spherical in shape, because
This motion profile can tend to be moved along arc orbit, the air-flow of entrained dirt constantly with wall friction in dedusting cabin, kinetic energy
It is constantly consumed, until dust can then remain in dedusting cabin when can not hold up dust, and gas is discharged at the top of dedusting cabin
Into being discharged in third exhaust pipe.Meanwhile gas can also be arranged from being directly entered in third exhaust pipe from balance tube
It puts, balance tube can also play the role of balancing pressure, and when avoiding exhaust flow excessive, continual pour into of bulk gas is removed
The row of returning that gas can not be carried out in dirt storehouse, at the top of dedusting cabin causes under the effect of dedusting cabin air pressure inside, and tail gas is from second exhaust
The problem of being directly entered in third exhaust pipe in pipe, dedusting is caused to be failed greatly ensures that steady and continuous of the present invention is efficient
Dust removing effects greatly improve the scope of application of the invention.In addition, when exhaust flow is smaller, working method of the invention
More soft: since exhaust flow is small, tail gas does not have impact capacity, and the tail gas of entrained dirt and particulate pollutant is in second row
The lower end of tracheae directly carries out the separation of solid and gas, and the dust and particulate pollutant of solid are directly entered in dedusting cabin, gas
Body is divided into two parts, flows into dedusting cabin and third exhaust pipe slowly respectively, straight into the partial tail gas in third exhaust pipe
Run in and put, is returned into the partial tail gas in dedusting cabin from dedusting cabin top and discharge into third exhaust pipe or enter via balance tube
Third exhaust pipe.The configuration of the present invention is simple, solve dust-laden in the tail gas that acid-producing apparatus in the prior art is discharged,
The problem of grain pollutant, realizes the technical effect for fully relying on that cleverly structure design realizes automatic dust removing, reduces pollution, phase
For the industrial dedusting equipment that structure is complicated easily in the prior art and needs to be dusted by energy consumption,
With significant economic benefit.
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 number of the strainer is 90~110 mesh.
Preferably, acclivitous discharge section, the row is arranged far from one end of second exhaust pipe in the third exhaust pipe
The top for putting section is horizontal.The discharge section of top level can be avoided under dusty wind weather, and the sundries in air is blown to by external wind
In third exhaust pipe.The content of dust pollutant etc. is extremely low in the tail gas after dedusting cabin dust removal process simultaneously, and density is low, by
Acclivitous discharge section can quickly be discharged convenient for it.
Compared with prior art, the present invention having the following advantages and benefits:
1, the present invention is used for the exhaust emissions end pipeline structure of acid making system, by desulphurization denitration treated tail gas from
Exhaust emissions end equipment is discharged into downtake pipe, is travelled up in downtake pipe when with larger kinetic energy
It in curved pipe, is begun to decline from the top of curved pipe, until entering the flowing carried out in second exhaust pipe straight down, in upstream
Under the collective effect of air pressure and gravity, tail gas rapid rundown is poured into dedusting cabin.Since dedusting cabin is spherical in shape, and spherical
Diameter 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
Digital display work becomes larger, and becomes extremely chaotic turbulent fluidised form, the dust and particle carried secretly in tail gas by the fluidised form moment close to laminar flow
Pollutant and dedusting cabin inner wall carry out fierce collision, and kinetic energy obtains huge consumption, the biggish particle contamination of part mass
Object can directly drop under the effect of gravity to dedusting cabin bottom and be precipitated.
2, the present invention is used for the exhaust emissions end pipeline structure of acid making system, and the air-flow entrainment lesser dust of quality is removing
Dirt is moved in storehouse, and since dedusting cabin is spherical in shape, motion profile can tend to be moved along arc orbit, entrained dirt
Air-flow constantly with wall friction in dedusting cabin, kinetic energy is constantly consumed, until dust can then retain when can not hold up dust
In dedusting cabin, and gas is discharged into third exhaust pipe at the top of dedusting cabin and is discharged.
3, the present invention be used for acid making system exhaust emissions end pipeline structure, gas can also from balance tube directly into
Enter and discharged in third exhaust pipe, balance tube can also play the role of balancing pressure, when avoiding exhaust flow excessive, largely
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 in dedusting cabin air pressure inside
Under effect, tail gas is greatly ensured from the problem of causing dedusting to be failed in third exhaust pipe is directly entered in second exhaust pipe
The efficient dust removing effects of steady and continuous of the present invention, greatly improve the scope of application of the invention.
4, the present invention is used for the exhaust emissions end pipeline structure of acid making system, of the invention when exhaust flow is smaller
Working method is more soft: since exhaust flow is small, tail gas does not have impact capacity, the tail gas of entrained dirt and particulate pollutant
The separation of solid and gas is directly carried out in the lower end of second exhaust pipe, the dust and particulate pollutant of solid are directly entered dedusting
In storehouse, gas is divided into two parts, flows into dedusting cabin and third exhaust pipe slowly respectively, the part into third exhaust pipe
Tail gas direct emission is returned into the partial tail gas in dedusting cabin from dedusting cabin top and discharges into third exhaust pipe or press via weighing apparatus
Pipe enters third exhaust pipe.
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.
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:
Exhaust emissions end pipeline structure for acid making system as shown in Figure 1, including the end for emission
Processing unit 1, the top of the end-o f-pipe -control device 1 is sequentially communicated downtake pipe 2, curved pipe 3, second exhaust pipe 4, described
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 arc
The concave surface of shape pipe 3 is downward, and the described one end of second exhaust pipe 4 far from curved pipe 3 is connected with dedusting cabin 5, third exhaust pipe 6 simultaneously
Logical, the dedusting cabin 5 is in spherical, and the diameter of dedusting cabin 5 is greater than the internal diameter of second exhaust pipe 4, and dedusting cabin 5 is located at second exhaust pipe
The underface of 4 ends, the axis horizontal of the third exhaust pipe 6, and third exhaust pipe 6 are located at second exhaust pipe 4 far from end
The side of 1 direction of processing unit；Door 7 is arranged in the bottom of the dedusting cabin 5, further includes balance tube 8, the balance tube 8
One end be connected to dedusting cabin 5 far from the side of 1 direction of end-o f-pipe -control device, the other end and third of the balance tube 8
Exhaust pipe 6 is connected to.
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.
Embodiment 2:
Exhaust emissions end pipeline structure for acid making system as shown in Figure 1, it is on the basis of embodiment 1, described
Strainer 9 is arranged in one end that balance tube 8 is connected with dedusting cabin 5.The mesh number of the strainer 9 is 90~110 mesh.The third exhaust pipe
Acclivitous discharge section 10 is arranged in 6 one end far from second exhaust pipe 4, and the top of the discharge section 10 is horizontal.
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. it is used for the exhaust emissions end pipeline structure of acid making system, including the end-o f-pipe -control device (1) for emission,
It is characterized in that, downtake pipe (2), curved pipe (3), second exhaust pipe is sequentially communicated at the top of the end-o f-pipe -control device (1)
(4), the downtake pipe (2), the axis of second exhaust pipe (4) are vertical, and downtake pipe (2), second exhaust pipe (4)
Facing each other, the concave surface of the curved pipe (3) is downward, the second exhaust pipe (4) far from curved pipe (3) one end simultaneously with remove
Dirt storehouse (5), third exhaust pipe (6) are connected, and for the dedusting cabin (5) in spherical, the diameter of dedusting cabin (5) is greater than second exhaust pipe
(4) internal diameter, dedusting cabin (5) are located at the underface of second exhaust pipe (4) end, the axis horizontal of the third exhaust pipe (6),
And third exhaust pipe (6) is located at the side of second exhaust pipe (4) far from end-o f-pipe -control device (1) direction；The dedusting cabin
(5) door (7) are arranged in bottom, further include balance tube (8), and one end and dedusting cabin (5) of the balance tube (8) are far from end
The side connection of device (1) direction is managed, the other end of the balance tube (8) is connected to third exhaust pipe (6).
2. the exhaust emissions end pipeline structure according to claim 1 for acid making system, which is characterized in that the weighing apparatus
Strainer (9) are arranged in one end that pressure pipe (8) is connected with dedusting cabin (5).
3. the exhaust emissions end pipeline structure according to claim 2 for acid making system, which is characterized in that the filter
The mesh number of net (9) is 90~110 mesh.
4. the exhaust emissions end pipeline structure according to claim 1 for acid making system, which is characterized in that described
Acclivitous discharge section (10), the top of the discharge section (10) is arranged far from the one end of second exhaust pipe (4) in three exhaust pipes (6)
End is horizontal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810966755.5A CN108939702A (en) | 2018-08-23 | 2018-08-23 | Exhaust emissions end pipeline structure for acid making system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810966755.5A CN108939702A (en) | 2018-08-23 | 2018-08-23 | Exhaust emissions end pipeline structure for acid making system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108939702A true CN108939702A (en) | 2018-12-07 |
Family
ID=64473739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810966755.5A Withdrawn CN108939702A (en) | 2018-08-23 | 2018-08-23 | Exhaust emissions end pipeline structure for acid making system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108939702A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112121538A (en) * | 2019-06-24 | 2020-12-25 | 中国石油天然气集团有限公司 | Gas-solid separation device |
-
2018
- 2018-08-23 CN CN201810966755.5A patent/CN108939702A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112121538A (en) * | 2019-06-24 | 2020-12-25 | 中国石油天然气集团有限公司 | Gas-solid separation device |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181207 |
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| WW01 | Invention patent application withdrawn after publication |