CN107854945A - A kind of flue gas purification system - Google Patents
A kind of flue gas purification system Download PDFInfo
- Publication number
- CN107854945A CN107854945A CN201711269487.3A CN201711269487A CN107854945A CN 107854945 A CN107854945 A CN 107854945A CN 201711269487 A CN201711269487 A CN 201711269487A CN 107854945 A CN107854945 A CN 107854945A
- Authority
- CN
- China
- Prior art keywords
- flue
- flue gas
- purification system
- gas purification
- cryophorus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 239000003546 flue gas Substances 0.000 title claims abstract description 45
- 238000000746 purification Methods 0.000 title claims abstract description 27
- 238000002347 injection Methods 0.000 claims abstract description 29
- 239000007924 injection Substances 0.000 claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000010521 absorption reaction Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000012535 impurity Substances 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 8
- 239000007791 liquid phase Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 210000000867 larynx Anatomy 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 206010022000 influenza Diseases 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- 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
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/10—Venturi scrubbers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The invention discloses a kind of flue gas purification system, including absorption tower and chimney, the outlet flue on absorption tower connects through first level flue, vertical flue and the second horizontal flue with chimney successively；The injection cryophorus that Open Side Down is provided with vertical flue, the system also includes circulating pump, filter and cooling tower, and the outlet of cooling tower connects through circulating pump with the water inlet of injection cryophorus, and the bottom of the second horizontal flue connects with the water inlet of cooling tower.The present invention can improve the mixed effect of flue gas and drop, so as to improve the efficiency of gas cleaning.Saturation wet flue gas enters injection cryophorus through negative pressure suction inlet, carries out the acutely mixed of liquid phase and conducts heat, after mass transfer, saturation wet flue gas temperature reduces, and the water condensed out enters liquid phase.
Description
Technical field
The present invention relates to a kind of flue gas purification system, belongs to flue gas purifying equipment technical field.
Background technology
Flue gas purification system is the system for realizing absorption operation.Absorption tower is the important component of flue gas purification system,
It is divided into three classes by the gas-liquid form that is in contact.The first kind is gas with scattered plate column, the bubble absorption in the liquid phase of bubble shape
Tower, stirring bubble absorbing tower；Second class is liquid with scattered injector, the spray tower in the gas phase of droplet-like；3rd class is liquid
Body moves the packed absorber and film-falling absorption tower that are contacted with gas phase with membranaceous.The type of flow of gas-liquid two-phase can be with tower
Adverse current also can cocurrent.Generally use counter-current operation, absorbent is added with tower top to be flowed from top to bottom, with the gas flowed from bottom to top
Body is contacted, and the liquid for absorbing absorbent is discharged from bottom of towe, and purified gas is discharged from tower top.Will in flue gas purification system
Flue gas and liquid are sufficiently mixed the filtering that can promote flue gas, improve the clean-up effect of flue gas.
The content of the invention
It is an object of the present invention to provide a kind of flue gas purification system, it is possible to increase the mixed effect of flue gas and drop, from
And improve the efficiency of gas cleaning.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of flue gas purification system, including absorption tower and chimney, the outlet flue on absorption tower is successively through first level flue, perpendicular
Straight flue and the second horizontal flue connect with chimney；The injection cryophorus that Open Side Down is provided with vertical flue, the system is also wrapped
Circulating pump, filter and cooling tower are included, the outlet of cooling tower connects through circulating pump with the water inlet of injection cryophorus, and second is horizontal
The bottom of flue connects with the water inlet of cooling tower.
Specifically, in a kind of foregoing flue gas purification system, injection cryophorus is by distribution webmaster, nozzle and Venturi tube group
Into the lower section for distributing webmaster connects some nozzles, and the lower section of each nozzle is provided with a Venturi tube.
In a kind of foregoing flue gas purification system, Venturi tube is made up of the inlet tube, trunnion and anemostat being sequentially communicated.
As one of which embodiment, in a kind of foregoing flue gas purification system, Venturi tube is arranged into matrix form,
The distance between two adjacent Venturi tubes are less than or equal to 30 centimetres, and more than or equal to 15 centimetres.
In a kind of foregoing flue gas purification system, the pipeline connection cistern between injection cryophorus and circulating pump.
In a kind of foregoing flue gas purification system, the impurities outlet connection trench of filter.
In a kind of foregoing flue gas purification system, the junction of first level flue and vertical flue is provided with deflector.
In a kind of foregoing flue gas purification system, the distance between adjacent two Venturi tubes are equal to 20 centimetres
Compared with prior art, the present invention can improve the mixed effect of flue gas and drop, so as to improve gas cleaning
Efficiency.Saturation wet flue gas enters injection cryophorus through negative pressure suction inlet, carries out the acutely mixed of liquid phase and conducts heat, after mass transfer, saturation
Wet flue gas temperature reduces, and the water condensed out enters liquid phase.Flue gas after anemostat, after gravity settling separation, then through flue
Demister carries out gas-liquid separation, and a large amount of drops and flue gas in flue gas are separated.Flue gas after separation is through smoke stack emission.Point
Liquid phase from after removes solid particulate matter after water leg is collected, then by filter, and it is cold that the liquid phase after filtering enters force ventilation
But reuse after tower cooler, for moisture deliver to cistern storage.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment of the present invention；
Fig. 2 is a kind of structural representation of embodiment of injection cryophorus；
Fig. 3 is a kind of arrangement schematic diagram of embodiment of Venturi tube.
Reference：1- absorption towers, 2- first level flues, 3- deflectors, 4- injection cryophorus, the vertical flues of 5-, 6-
Second horizontal flue, 7- cisterns, 8- circulating pumps, 9- filters, 10- cooling towers, 11- chimneys, 12- trenches, 13- distribution nets
Pipe, 14- inlet tubes, 15- trunnions, 16- anemostats, 17- nozzles, 18- Venturi tubes.
The present invention is further illustrated with reference to the accompanying drawings and detailed description.
Embodiment
Embodiments of the invention 1：As shown in Figure 1, Figure 2 and Figure 3, a kind of flue gas purification system, including absorption tower 1 and chimney
11, the outlet flue on absorption tower 1 connects through first level flue 2, vertical flue 5 and the second horizontal flue 6 with chimney 11 successively；It is perpendicular
The injection cryophorus 4 that Open Side Down is provided with straight flue 5, the system also includes circulating pump 8, filter 9 and cooling tower 10, cools down
The outlet of tower 10 connects through circulating pump 8 with the water inlet of injection cryophorus 4, the bottom of the second horizontal flue 6 and cooling tower 10
Water inlet connects.
Injection cryophorus 4 is made up of distribution webmaster 13, nozzle 17 and Venturi tube 18, if the lower section connection of distribution webmaster 13
Dry nozzle 17, the lower section of each nozzle 17 are provided with a Venturi tube 18.Venturi tube 18 is by the inlet tube 14, the larynx that are sequentially communicated
Pipe 15 and anemostat 16 form.Venturi tube 18 arranges that the distance between adjacent two Venturi tubes 18 are equal into matrix form
20 centimetres.Pipeline connection cistern 7 between injection cryophorus 4 and circulating pump 8.The impurities outlet connection trench 12 of filter 9.
The junction of first level flue 2 and vertical flue 5 is provided with deflector 3.
Embodiment 2：As shown in Figure 1, Figure 2 and Figure 3, a kind of flue gas purification system, including absorption tower 1 and chimney 11, absorb
The outlet flue of tower 1 connects through first level flue 2, vertical flue 5 and the second horizontal flue 6 with chimney 11 successively；Vertical flue 5
Interior to be provided with the injection cryophorus 4 that Open Side Down, the system also includes circulating pump 8, filter 9 and cooling tower 10, cooling tower 10
Outlet connects through circulating pump 8 with the water inlet of injection cryophorus 4, the bottom of the second horizontal flue 6 and the water inlet of cooling tower 10
Connection.
Injection cryophorus 4 is made up of distribution webmaster 13, nozzle 17 and Venturi tube 18, if the lower section connection of distribution webmaster 13
Dry nozzle 17, the lower section of each nozzle 17 are provided with a Venturi tube 18.Venturi tube 18 is by the inlet tube 14, the larynx that are sequentially communicated
Pipe 15 and anemostat 16 form.Venturi tube 18 arranges that the distance between adjacent two Venturi tubes 18 are equal into matrix form
15 centimetres.Pipeline connection cistern 7 between injection cryophorus 4 and circulating pump 8.The impurities outlet connection trench 12 of filter 9.
The junction of first level flue 2 and vertical flue 5 is provided with deflector 3.
Embodiment 3：As shown in Figure 1, Figure 2 and Figure 3, a kind of flue gas purification system, including absorption tower 1 and chimney 11, absorb
The outlet flue of tower 1 connects through first level flue 2, vertical flue 5 and the second horizontal flue 6 with chimney 11 successively；Vertical flue 5
Interior to be provided with the injection cryophorus 4 that Open Side Down, the system also includes circulating pump 8, filter 9 and cooling tower 10, cooling tower 10
Outlet connects through circulating pump 8 with the water inlet of injection cryophorus 4, the bottom of the second horizontal flue 6 and the water inlet of cooling tower 10
Connection.
Injection cryophorus 4 is made up of distribution webmaster 13, nozzle 17 and Venturi tube 18, if the lower section connection of distribution webmaster 13
Dry nozzle 17, the lower section of each nozzle 17 are provided with a Venturi tube 18.Venturi tube 18 is by the inlet tube 14, the larynx that are sequentially communicated
Pipe 15 and anemostat 16 form.Venturi tube 18 arranges that the distance between adjacent two Venturi tubes 18 are equal into matrix form
30 centimetres.Pipeline connection cistern 7 between injection cryophorus 4 and circulating pump 8.The impurities outlet connection trench 12 of filter 9.
The junction of first level flue 2 and vertical flue 5 is provided with deflector 3.
A kind of operation principle of embodiment of the present invention：Chimney flue type injection cryophorus 4 is made using the turbulent fluctuation diffusion of jet
With being mutually mixed the two fluids of different pressures, and trigger the fluid machinery and mix reaction equipment of energy exchange.Injection coagulates
Hydrophone 4 is mainly made up of distribution pipe network 13, nozzle 17, inlet tube 14, trunnion 15 and anemostat 16.Into before device, high pressure is cold
Condensate is projected with very high speed from nozzle 17, into inlet tube 14, due to the turbulent diffusion of jet, in the shape of inlet tube 14
Into negative pressure region, and roll up the low-pressure injection fluid around inhaling and momentum-exchange occurs.Working fluid is with driving fluid in trunnion 15
Interior mixing, momentum, heat and mass exchange are carried out, it is gradually balanced in flow process medium velocity, also with flue gas pressures during this
Rise, transmission, the condensation of saturation wet flue gas of heat.Fluid enters anemostat 16, pressure will because flowing velocity slows down and after
Height of continuing rising.In the exit of anemostat 16, the pressure of fluid-mixing is higher than the pressure of driving fluid when entering receiving chamber.Therefore, expand
The pressure for the driving fluid that separate tube 16 exports will be higher by much compared with the pressure before suction inlet, and not increase the resistance of flue gas system.
Claims (8)
- A kind of 1. flue gas purification system, it is characterised in that including absorption tower (1) and chimney (11), the outlet flue of absorption tower (1) according to It is secondary to be connected through first level flue (2), vertical flue (5) with the second horizontal flue (6) with chimney (11)；In vertical flue (5) Provided with the injection cryophorus (4) that Open Side Down, the system also includes circulating pump (8), filter (9) and cooling tower (10), cooling The outlet of tower (10) connects through circulating pump (8) with the water inlet of injection cryophorus (4), the bottom of the second horizontal flue (6) and cold But the water inlet connection of tower (10).
- 2. a kind of flue gas purification system according to claim 1, it is characterised in that injection cryophorus (4) is by distribution webmaster (13), nozzle (17) and Venturi tube (18) composition, the lower section of distribution webmaster (13) connect some nozzles (17), each nozzle (17) lower section is provided with a Venturi tube (18).
- 3. a kind of flue gas purification system according to claim 2, it is characterised in that Venturi tube (18) is by what is be sequentially communicated Inlet tube (14), trunnion (15) and anemostat (16) composition.
- 4. a kind of flue gas purification system according to claim 3, it is characterised in that Venturi tube (18) is into matrix form cloth To put, the distance between adjacent two Venturi tubes (18) are less than or equal to 30 centimetres, and more than or equal to 15 centimetres.
- 5. a kind of flue gas purification system according to claim 4, it is characterised in that injection cryophorus (4) and circulating pump (8) Between pipeline connection cistern (7).
- A kind of 6. flue gas purification system according to claim 5, it is characterised in that the impurities outlet connection of filter (9) Trench (12).
- 7. a kind of flue gas purification system according to claim 6, it is characterised in that first level flue (2) and vertical cigarette The junction in road (5) is provided with deflector (3).
- A kind of 8. flue gas purification system according to claim 7, it is characterised in that two adjacent Venturi tubes (18) it Between distance be equal to 20 centimetres.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711269487.3A CN107854945A (en) | 2017-12-05 | 2017-12-05 | A kind of flue gas purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711269487.3A CN107854945A (en) | 2017-12-05 | 2017-12-05 | A kind of flue gas purification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107854945A true CN107854945A (en) | 2018-03-30 |
Family
ID=61704782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711269487.3A Pending CN107854945A (en) | 2017-12-05 | 2017-12-05 | A kind of flue gas purification system |
Country Status (1)
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| CN (1) | CN107854945A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114733311A (en) * | 2022-04-15 | 2022-07-12 | 杭州老板电器股份有限公司 | Fume exhauster |
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