CN207576070U - A kind of flue gas purification system - Google Patents
A kind of flue gas purification system Download PDFInfo
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- CN207576070U CN207576070U CN201721683658.2U CN201721683658U CN207576070U CN 207576070 U CN207576070 U CN 207576070U CN 201721683658 U CN201721683658 U CN 201721683658U CN 207576070 U CN207576070 U CN 207576070U
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- China
- Prior art keywords
- flue
- flue gas
- gas purification
- purification system
- cryophorus
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Abstract
The utility model discloses a kind of flue gas purification systems, and including absorption tower and chimney, the outlet flue on absorption tower connects successively through first level flue, vertical flue and the second horizontal flue with chimney；The injection cryophorus that Open Side Down is equipped in vertical flue, this system further includes circulating pump, filter and cooling tower, and the outlet of cooling tower is connected through circulating pump with the water inlet of injection cryophorus, and the bottom of the second horizontal flue is connected with the water inlet of cooling tower.The utility model 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 utility model is related to a kind of flue gas purification systems, belong 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 plate column, the bubble absorption of gas with bubble shape dispersion in the liquid phase
Tower, stirring bubble absorbing tower；Second class is injector, the spray tower of liquid with droplet-like dispersion in the gas phase；Third 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 in tower
Adverse current also can cocurrent.Generally use counter-current operation, absorbent is flowed from above to below with tower top addition, with the gas flowed from bottom to top
Body contacts, and the liquid for absorbing absorbent is discharged from bottom of towe, and purified gas is discharged from tower top.It 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.
Utility model content
The purpose of the utility model is to provide a kind of flue gas purification systems, can improve the mixing effect of flue gas and drop
Fruit, so as to improve the efficiency of gas cleaning.
In order to solve the above technical problems, the utility model adopts the following technical scheme：
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 are connected with chimney；The injection cryophorus that Open Side Down is equipped in vertical flue, this system is also wrapped
Circulating pump, filter and cooling tower are included, the outlet of cooling tower is connected through circulating pump with the water inlet of injection cryophorus, and second is horizontal
The bottom of flue is connected with the water inlet of cooling tower.
Specifically, in a kind of aforementioned flue gas purification system, injection cryophorus is by distribution webmaster, nozzle and Venturi tube group
Into the lower section for distributing webmaster connects several nozzles, sets that there are one Venturi tubes below each nozzle.
In a kind of aforementioned flue gas purification system, Venturi tube is made of the inlet tube, trunnion and diffuser being sequentially communicated.
As one of which embodiment, in a kind of aforementioned 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 aforementioned flue gas purification system, the pipeline connection cistern between injection cryophorus and circulating pump.
In a kind of aforementioned flue gas purification system, the impurities outlet connection trench of filter.
In a kind of aforementioned flue gas purification system, the junction of first level flue and vertical flue is equipped with deflector.
In a kind of aforementioned flue gas purification system, the distance between adjacent two Venturi tubes are equal to 20 centimetres.
Compared with prior art, the utility model can improve the mixed effect of flue gas and drop, net so as to improve flue gas
The efficiency of change.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 diffuser after gravity settling separation, then passes through
Flue demister carries out gas-liquid separation, and a large amount of drops in flue gas and flue gas are detached.Flue gas after separation is arranged through chimney
It puts.Liquid phase after separation removes solid particulate matter after catch basin is collected, using filter, and it is logical that the liquid phase after filtering enters machinery
Cooling Tower cooling after reuse, for moisture send to cistern store.
Description of the drawings
Fig. 1 is a kind of structure diagram of embodiment of the utility model；
Fig. 2 is a kind of structure diagram of embodiment of injection cryophorus；
Fig. 3 is a kind of arrangement schematic diagram of embodiment of Venturi tube.
Reference numeral：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- diffusers, 17- nozzles, 18- Venturi tubes.
The utility model is further described with reference to the accompanying drawings and detailed description.
Specific embodiment
The embodiment 1 of the utility model：As shown in Figure 1, Figure 2 and Figure 3, a kind of flue gas purification system, including absorption tower 1
With chimney 11, the outlet flue on absorption tower 1 is successively through first level flue 2,5 and second horizontal flue 6 of vertical flue and chimney 11
Connection；The injection cryophorus 4 that Open Side Down is equipped in vertical flue 5, this system further includes circulating pump 8, filter 9 and cooling tower
10, the outlet of cooling tower 10 is connected through circulating pump 8 with the water inlet of injection cryophorus 4, the bottom of the second horizontal flue 6 and cooling
The water inlet connection of tower 10.
Injection cryophorus 4 is made 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 set that there are one Venturi tubes 18.Venturi tube 18 is by the inlet tube 14, the larynx that are sequentially communicated
Pipe 15 and diffuser 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 equipped 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, absorbs
The outlet flue of tower 1 connects successively through first level flue 2, vertical flue 5 and the second horizontal flue 6 with chimney 11；Vertical flue 5
Interior to be equipped with the injection cryophorus 4 that Open Side Down, this system further includes circulating pump 8, filter 9 and cooling tower 10, cooling tower 10
Outlet is connected 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 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 set that there are one Venturi tubes 18.Venturi tube 18 by be sequentially communicated inlet tube 14,
Trunnion 15 and diffuser 16 form.Venturi tube 18 arranges into matrix form, the distance between adjacent two Venturi tubes 18 etc.
In 15 centimetres.Pipeline connection cistern 7 between injection cryophorus 4 and circulating pump 8.The impurities outlet connection trench of filter 9
12.The junction of first level flue 2 and vertical flue 5 is equipped 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, absorbs
The outlet flue of tower 1 connects successively through first level flue 2, vertical flue 5 and the second horizontal flue 6 with chimney 11；Vertical flue 5
Interior to be equipped with the injection cryophorus 4 that Open Side Down, this system further includes circulating pump 8, filter 9 and cooling tower 10, cooling tower 10
Outlet is connected 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 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 set that there are one Venturi tubes 18.Venturi tube 18 by be sequentially communicated inlet tube 14,
Trunnion 15 and diffuser 16 form.Venturi tube 18 arranges into matrix form, the distance between adjacent two Venturi tubes 18 etc.
In 30 centimetres.Pipeline connection cistern 7 between injection cryophorus 4 and circulating pump 8.The impurities outlet connection trench of filter 9
12.The junction of first level flue 2 and vertical flue 5 is equipped with deflector 3.
A kind of operation principle of the embodiment of the utility model：Chimney flue type injection cryophorus 4 is expanded using the turbulent fluctuation of jet stream
Effect is dissipated, is mutually mixed the two fluids of different pressures, and cause the fluid machinery and mix reaction equipment of energy exchange.Draw
Cryophorus 4 is penetrated mainly to be made of distribution pipe network 13, nozzle 17, inlet tube 14, trunnion 15 and diffuser 16.It is high into before device
Pressure condensed water is projected with very high speed from nozzle 17, into inlet tube 14, due to the turbulent diffusion of jet stream, in inlet tube
14 form negative pressure region, and roll up the low-pressure injection fluid around inhaling and momentum-exchange occurs.Working fluid is with driving fluid in larynx
It mixes in pipe 15, carries out momentum, heat and mass exchange, it is gradually balanced in flow process medium velocity, also with flue gas during this
The raising of pressure, the transmission of heat, the condensation of saturation wet flue gas.Fluid enters diffuser 16, and pressure will slow down because of flowing velocity
And continue to increase.In 16 exit of diffuser, the pressure of fluid-mixing is higher than the pressure of driving fluid when entering receiving chamber.Cause
This, the pressure for the driving fluid that diffuser 16 exports will be higher by very much, and do not increase flue gas system compared with the pressure before suction inlet
Resistance.
Claims (8)
1. a kind of flue gas purification system, which is characterized 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)
Equipped with the injection cryophorus (4) that Open Side Down, this system further includes circulating pump (8), filter (9) and cooling tower (10), cooling
The outlet of tower (10) is connected 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, which is characterized 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 several nozzles (17), each nozzle
(17) Venturi tube (18) there are one being set below.
3. a kind of flue gas purification system according to claim 2, which is characterized in that Venturi tube (18) is by what is be sequentially communicated
Inlet tube (14), trunnion (15) and diffuser (16) composition.
4. a kind of flue gas purification system according to claim 3, which is characterized in that Venturi tube (18) is into matrix form cloth
It puts, 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, which is characterized 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, which is characterized in that the impurities outlet connection of filter (9)
Trench (12).
7. a kind of flue gas purification system according to claim 6, which is characterized in that first level flue (2) and vertical cigarette
The junction in road (5) is equipped with deflector (3).
8. a kind of flue gas purification system according to claim 7, which is characterized 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 |
|---|---|---|---|
| CN201721683658.2U CN207576070U (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 |
|---|---|---|---|
| CN201721683658.2U CN207576070U (en) | 2017-12-05 | 2017-12-05 | A kind of flue gas purification system |
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| Publication Number | Publication Date |
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| CN207576070U true CN207576070U (en) | 2018-07-06 |
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ID=62735885
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721683658.2U Active CN207576070U (en) | 2017-12-05 | 2017-12-05 | A kind of flue gas purification system |
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| CN (1) | CN207576070U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107854945A (en) * | 2017-12-05 | 2018-03-30 | 中国华电科工集团有限公司 | A kind of flue gas purification system |
| WO2020023265A1 (en) * | 2018-07-24 | 2020-01-30 | Uop Llc | Process and apparatus for reducing pressure in a flue gas stream |
| CN111408230A (en) * | 2020-04-22 | 2020-07-14 | 华能国际电力股份有限公司 | Wastewater recoverable integrated treatment system and method suitable for coal-fired power plant |
-
2017
- 2017-12-05 CN CN201721683658.2U patent/CN207576070U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107854945A (en) * | 2017-12-05 | 2018-03-30 | 中国华电科工集团有限公司 | A kind of flue gas purification system |
| WO2020023265A1 (en) * | 2018-07-24 | 2020-01-30 | Uop Llc | Process and apparatus for reducing pressure in a flue gas stream |
| CN111408230A (en) * | 2020-04-22 | 2020-07-14 | 华能国际电力股份有限公司 | Wastewater recoverable integrated treatment system and method suitable for coal-fired power plant |
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