CN208757202U - A kind of ash-laden gas processing unit - Google Patents
A kind of ash-laden gas processing unit Download PDFInfo
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- CN208757202U CN208757202U CN201821026867.4U CN201821026867U CN208757202U CN 208757202 U CN208757202 U CN 208757202U CN 201821026867 U CN201821026867 U CN 201821026867U CN 208757202 U CN208757202 U CN 208757202U
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Abstract
The utility model discloses a kind of ash-laden gas processing units, including full wall surface wetting overflow annular groove, tapered pipeline section, trunnion section, flaring pipeline section, bridge piece and separator, the trunnion section to be provided with the self-locking synchronous adjustment baffle of total travel；The full wall surface wetting overflow annular groove is located in Venturi scrubber entrance, converging transition beginning；The tapered pipeline section is the variable diameter round tube or square tube that section is gradually reduced；The trunnion section is provided with fluid injection nozzle and controllable register between tapered pipeline section and flaring pipeline section inside it, and self-locking gear shift plate regulating mechanism is provided with outside it；The flaring pipeline section is the variable diameter round tube or square tube that section becomes larger；The bridge piece connection washer outlet and separator inlet are tapered configuration in its outlet section；The separator is provided with tangential inlet, and its underpart is provided with taper vortex shield and uniformly distributed spin-ended baffle, clean gas outlet is provided at the top of it, its bottom is provided with cleaning solution outlet.
Description
Technical field
The utility model relates to gas purifying equipment fields, in particular to industrial smoke dust removal field, are specifically related to one
Kind ash-laden gas processing unit.
Background technique
With the raising that China environmental protection is realized, atmosphere pollution almost becomes the topic that compatriots must talk, and the public is also to it
Producing reason gives great concern.In addition, the environmental law newly the revised formal implementation on January 1st, 2015, right
Pollutant emission has carried out stringenter limitation.How to pass through the continuous upgrading of technology and rationally utilize and preferably does a good job of it atmosphere
Contamination control reaches higher Environmental Protection Level, has become each enterprise and considers the problems of emphatically.
Important source of the flue gas as atmosphere pollution, how efficient low-consume implements gas cleaning for air contaminant treatment pole
It is important.The method that fume treatment mostly uses greatly wet scrubbing at present, wet scrubbing method are used for flue gas washing purified treatment not
It is only safe and efficient, solid particulate matter, the soluble detrimental gas in flue gas can be handled simultaneously.Specific wet scrubbing side
Method can be divided into: gravity spray washer, cyclone scrubber, scrubber, padding washing device, Venturi scrubber etc..Gravity
Spray jet scrubber structure is simple, the pressure loss low, but can only purify 50 μm or more of particle, and use is not achieved in gas after processing
Or environmental emission standard；Cyclone scrubber is generally used in series with other washers；Scrubber and condiment washer have
The features such as pressure loss is low, it is big to catch dust quantity, long service life, but plate type washing and padding washing device need periodic cleaning, no
It is suitble to long period continuous operation；Venturi scrubber is big with treating capacity, can handle grain diameter small (0.1 μm or more), consumption
The features such as water is few.
Chinese patent CN102974188 A discloses the processing unit and method of a kind of high temperature flue gas containing selenium, which adopts
With dry dust collection device, equipment size is larger, the processing time is longer, is not suitable for the quick processing of a large amount of flue gases；Chinese patent CN
206447823 U disclose a kind of coke oven and discharge of the coke soot processing device, this patent is carried out by spray deduster and scrubbing tower
Flue gas ash removal, such combined method is complex, and energy consumption is higher.
Therefore it needs to optimize current technology using flexible and efficient, low energy consumption method and apparatus.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of ash-laden gas processing unit,
Specific technical solution is as follows:
A kind of ash-laden gas processing unit, including full wall surface wetting overflow annular groove, tapered pipeline section, trunnion section, flaring pipeline section,
Bridge piece and separator；The trunnion section is provided with the self-locking synchronous adjustment baffle of total travel；
The full wall surface wetting overflow annular groove is located in Venturi scrubber entrance, converging transition beginning；
The tapered pipeline section is the variable diameter round tube or square tube that section is gradually reduced；
The trunnion section is provided with fluid injection nozzle inside it and adjusts gear between tapered pipeline section and flaring pipeline section
Plate is provided with self-locking gear shift plate regulating mechanism outside it；
The flaring pipeline section is the variable diameter round tube or square tube that section becomes larger；
The bridge piece connection washer outlet and separator inlet are tapered design in its outlet section；
The separator is provided with tangential inlet, its underpart is provided with taper vortex shield and uniformly distributed spin-ended baffle, at it
Top is provided with clean gas outlet, its bottom is provided with cleaning solution outlet.
Further, the full wall surface wetting overflow annular groove is washer entrance straight pipe and tapered connection between pipe sections, by
Straight tube end and tapered pipeline section starting point and the annular groove composition overflow annular groove for connecting it, guarantee cleaning solution uniform wet reducing pipe
Section.
Further, the taper angle range of the tapered pipeline section is 24 °~27 °, and gas is in tapered pipeline section acceleration and pressure decrease；
Further, the trunnion gas velocity is within the scope of 60~120m/s.
Further, the flaring pipeline section flaring angle is 6 °~8 °, and gas slows down boosting in flaring pipeline section.
Further, bridge piece outlet section is tapered design, and the taper angle of the tapered design is 29 °~44 °.
The method that utility model device is directed to ash-laden gas processing, includes the following steps:
(1) ash-laden gas is entered with the speed of 18~30m/s through Venturi scrubber entrance 1, is added in tapered pipeline section 3
Speed is to 60~120m/s, while cleaning solution has full wall face wetting overflow annular groove liquid injection hole 2 to enter, and carries out full wall surface to tapered pipeline section
Uniform wet；
(2) for high-speed gas when passing through trunnion section 4, the cleaning solution for dividing two-stage to inject from trunnion section is by quick break at scale
Minimum drop is further speeded up, ash-laden gas by the self-locking synchronous adjustment baffle 4-4 of the total travel that trunnion pars infrasegmentalis is arranged in
It is sufficiently mixed with cleaning solution completion, the solid grit in flue gas is captured by droplet and collected；
(3) the then gas deceleration pressurization in flaring pipeline section 5, droplet is assembled by core of grit, again to flue gas
In grit be collected；
(4) flue gas that grit is sufficiently collected enters cyclone separator 12 through tangential entry after washer outlet outflow,
Flue gas is separated under the action of the centrifugal force with dust-laden drop in cyclone separator, and dust-laden drop is thrown toward cyclone separator device
Wall, subsequent dust-laden drop fall under gravity into separator bottom, and clean flue gas is discharged from separator top exit；Separator
Bottom is provided with uniformly spin-ended baffle 10 and conical vortex plate 11, and the grit for falling into bottom is prevented to be brought again into flue gas.
The utility model has the beneficial effects that:
(1) overflow annular groove is soaked using full wall face, tapered pipeline section wall surface is soaked in normal conditions, kept tapered
The uniformly reasonable liquid film covering of pipeline section windward side, can greatly reduce erosive wear, corrosion etc. of the high speed dusty gas to wall surface.
(2) the self-locking synchronous adjustment baffle mechanism of total travel is used, throat section size can be adjusted accurately to adapt to difference
Operating condition guarantees the operation of washer efficient stable, makes up the deficiencies in the prior art.
Detailed description of the invention
Fig. 1 is the apparatus structure flow diagram of embodiment 1；
Fig. 2 is full wall surface wetting overflow annular groove schematic diagram；
Fig. 3 is trunnion segment structure schematic diagram；
Fig. 4 is trunnion section fluid injection arrangement of nozzles schematic diagram；
Fig. 5 is the self-locking synchronous adjustment schematic diagram of trunnion section baffle total travel.
Symbol description:
1 washer entrance；2 full wall surfaces soak overflow annular groove；3 tapered pipeline sections；4 trunnion sections；5 flaring pipeline sections；6 connecting bendings
Pipe；7 liquidometers；8 vortex breakers；9 manholes；10 spin-ended baffles；11 is conical baffled；12 cyclone separator cylinders；13 thermometer bosses；
The full wall surface of 2-1 soaks overflow annular groove liquid injection port；The full wall surface of 2-2 soaks overflow annular groove shell；Liquid injection pipe in 4-1 throat；4-2 throat
Lower liquid injection pipe；4-3 limit plate；4-4 adjustable baffle plate；4-5 throat fluid injection tube inlet；4-6 throat liquid injection pipe；The upper liquid injection pipe of 4-7
Nozzle；Liquid injection pipe nozzle under 4-8；4-9 blind flange；4-10 adjustment axis；4-11 gear；4-12 is external retarder position on axis.
Specific embodiment
In the following, the utility model is specifically described by embodiment.It is necessarily pointed out that following embodiment
It is served only for that the utility model is described in further detail, should not be understood as the limitation to scope of protection of the utility model, the field
Some nonessential modifications and adaptations that professional technician's content according to the present utility model is made, still fall within the utility model
Protection scope.
Embodiment 1
The utility model people of the application has found that venturi wet scrubber is industrial cigarette afterwards after extensive and in-depth study
A kind of method the most efficient in air humidity method treatment process.Based on research, gas liquid ratio, pressure drop, temperature, gas velocity, washing at trunnion
Liquid injection mode etc. influences the use scope and detersive efficiency of Venturi scrubber.By rationally designing washer structure and washing
Liquid adding manner is washed, to improve detersive efficiency, reduce the pressure loss, saving cleaning solution dosage.
For the actual demand of certain factory's fume treatment, the utility model proposes a kind of ash-laden gas processing equipment, including it is complete
Wall surface wetting overflow annular groove, tapered pipeline section, trunnion section, flaring pipeline section, bridge piece and separator, the trunnion section are provided with
The self-locking synchronous adjustment baffle of total travel；The full wall surface wetting overflow annular groove is located to be opened in Venturi scrubber entrance, converging transition
At beginning；The tapered pipeline section is the variable diameter round tube or square tube that section is gradually reduced；The trunnion section is located at tapered pipeline section and flaring
Between pipeline section, it is provided with fluid injection nozzle and controllable register inside it, self-locking gear shift plate regulating mechanism is provided with outside it；Institute
Stating flaring pipeline section is the variable diameter round tube or square tube that section becomes larger；The bridge piece connection washer outlet enters with separator
Mouthful, it is tapered configuration in its outlet section；The separator is provided with tangential inlet, its underpart be provided with taper vortex shield and
The spin-ended baffle of cloth is provided with clean gas outlet at the top of it, its bottom is provided with cleaning solution outlet.
The step of ash-laden gas processing method is that ash-laden gas is after the entrance of Venturi scrubber entrance, in reducing pipe
Duan Jinhang accelerates, while a small amount of cleaning solution passes through the overflow annular groove that washer entrance lower part is arranged in the full wall of tapered pipeline section progress
Face uniform wet；For high-speed gas when passing through trunnion section, the cleaning solution for dividing two-stage to inject from trunnion section is by quick break at scale
Minimum drop is further speeded up by the self-locking synchronous adjustment baffle of the total travel that trunnion pars infrasegmentalis is arranged in, ash-laden gas with
Cleaning solution completion is sufficiently mixed, and the solid grit in flue gas is captured by droplet and collected；Then slow down in flaring pipeline section gas and increases
Pressure, droplet are assembled by core of grit, are collected again to the grit in flue gas；The flue gas that grit is sufficiently collected from
After washer outlet outflow, enter cyclone separator through tangential entry, flue gas is being centrifuged with dust-laden drop in cyclone separator
It is separated under power effect, dust-laden drop is thrown toward cyclone separator wall, and subsequent dust-laden drop falls under gravity into separation
Device bottom, clean flue gas are discharged from separator top exit, are transported to subsequent processing device or emptying via air-introduced machine；Separator
Bottom is provided with conical vortex plate and uniformly distributed spin-ended baffle, effectively prevent the grit for falling into bottom to be brought again into flue gas, raising is washed
Efficiency is washed, while sludge outlet being provided with vortex breaker and is steadily extracted out with mud after guaranteeing to wash.
The washer inlet gas speed is 18~30m/s, and trunnion section gas velocity is 60~120m/s, bridge piece
Muzzle velocity is 22~35m/s.The ratio between the cleaning solution volume flow and flue gas volume flow are 0.00175~0.00215.Institute
Method is stated to imitate the washing that partial size is respectively 0.1 μm or more, 0.4 μm or more, 0.6 μm or more, 0.8 μm or more, 1 μm or more grit
Rate is respectively 69%, 83%, 95%, 99%, 100%.
As shown in Figure 1,1 washer entrance；2 full wall surfaces soak overflow annular groove；3 tapered pipeline sections；4 trunnion sections；5 diffusers
Section；6 bridge pieces；7 liquidometers；8 vortex breakers；9 manholes；10 spin-ended baffles；11 is conical baffled；12 cyclone separator cylinders；13
Thermometer boss.
| Flue gas flow | 153600m3/h |
| Inlet dust loading capacity | 400kg/h |
| Wash flow quantity | 307m3/h |
| Entrance flue gas temperature | 220℃ |
| Cleaning solution temperature | 93℃ |
| Washer efficiency | 99.2% |
Nominal situation down-off is 153600m3/ h, dust loading capacity be 400kg/h flue gas by washer entrance 1 into
Entering, entrance speed is 21m/s, and by the acceleration of tapered pipeline section 3, flue gas is 120m/s reaching air velocity at trunnion 4, this
When the cleaning solution of the nozzle injection at trunnion be set tentatively sheared atomization by high-speed flow, nozzle use is staggeredly arranged form,
Mean droplet size is reduced to about 260 μm, and subsequent flue gas further adds when flowing through the self-locking synchronous adjustment baffle of throat's total travel
Speed arrives 120m/h, and cleaning solution drop is further atomized, and mean droplet size is about 130 μm at this time, the production of small size drop
The raw trapping that can be improved small size solid particle, subsequent flue gas carry out gas solid separation by cyclone separator, and clean gas has
Emptying process after air-introduced machine extraction.Quantity of circulating water is 305m in present case3/ h, amount of makeup water 29m3/ h, liquid-gas ratio are less than 2L/
m3, detersive efficiency 99.2%, pressure is reduced to 26.3kPa, can be realized in efficient stable operation.
As shown in Fig. 2, being full wall surface wetting overflow annular groove schematic diagram, wherein 2-1 is that full wall surface soaks the fluid injection of overflow annular groove
Mouthful, 2-2 is that full wall surface soaks overflow annular groove shell；The full wall surface wetting overflow annular groove be washer entrance straight pipe with it is tapered
Connection between pipe sections form overflow annular groove by straight tube end and tapered pipeline section starting point and the annular groove for connecting it, guarantee that cleaning solution is equal
The tapered pipeline section of even wetting.The taper angle range of the tapered pipeline section is 24 °~27 °, and gas is in tapered pipeline section acceleration and pressure decrease.
As shown in figure 3, be washer throat cleaning solution injection pipe and the self-locking synchronous adjustment baffle schematic diagram of total travel, wherein
4-1 is liquid injection pipe in throat, and 4-2 is liquid injection pipe under throat, and 4-3 is limit plate, and 4-4 is adjustable baffle plate；The trunnion gas
Speed is within the scope of 60~120m/s.
As shown in figure 4, being washer throat arrangement of nozzles schematic diagram, wherein 4-5 is throat's fluid injection tube inlet, and 4-6 is larynx
Portion's liquid injection pipe, 4-7 are upper liquid injection pipe nozzle；
As shown in figure 5, being that washer throat adjusts shaft assembling schematic diagram, wherein 4-9 is blind flange, and 4-10 is to adjust
Axis, 4-11 are gear, and 4-12 is external retarder position on axis.
The flaring angle of the flaring pipeline section 5 is 6 °~8 °, and gas slows down boosting in flaring pipeline section.The flaring pipeline section
Flaring angle is 6 °~8 °, and gas slows down boosting in flaring pipeline section.
The outlet section of the bridge piece 6 is tapered configuration, and the taper angle of the tapered design is 29 °~44 °.
Claims (6)
1. a kind of ash-laden gas processing unit, including full wall surface soak overflow annular groove, tapered pipeline section, trunnion section, flaring pipeline section, connect
Connect bend pipe and separator, which is characterized in that the trunnion section is provided with the self-locking synchronous adjustment baffle of total travel；
The full wall surface wetting overflow annular groove is located at Venturi scrubber entrance, converging transition beginning；
The tapered pipeline section is the variable diameter round tube or square tube that section is gradually reduced；
The trunnion section is provided with fluid injection nozzle and controllable register between tapered pipeline section and flaring pipeline section inside it,
Self-locking gear shift plate regulating mechanism is provided with outside it；
The flaring pipeline section is the variable diameter round tube or square tube that section becomes larger；
The bridge piece connection washer outlet and separator inlet are tapered configuration in its outlet section；
The separator is provided with tangential inlet, its underpart is provided with taper vortex shield and uniformly distributed spin-ended baffle, at the top of it
It is provided with clean gas outlet, its bottom is provided with cleaning solution outlet.
2. ash-laden gas processing unit as described in claim 1, which is characterized in that the full wall surface wetting overflow annular groove is to wash
Device entrance straight pipe and tapered connection between pipe sections are washed, by straight tube end and tapered pipeline section starting point and its annular groove is connected and forms and overflow
Annular groove is flowed, guarantees the tapered pipeline section of cleaning solution uniform wet.
3. ash-laden gas processing unit as described in claim 1, which is characterized in that the taper angle range of the tapered pipeline section
It is 24 °~27 °, gas is in tapered pipeline section acceleration and pressure decrease.
4. ash-laden gas processing unit as described in claim 1, which is characterized in that the trunnion gas velocity 60~
Within the scope of 120m/s.
5. ash-laden gas processing unit as described in claim 1, which is characterized in that the flaring pipeline section flaring angle be 6 °~
8 °, gas slows down boosting in flaring pipeline section.
6. ash-laden gas processing unit as described in claim 1, which is characterized in that the bridge piece outlet section is tapered knot
Structure, the taper angle of the tapered design are 29 °~44 °.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821026867.4U CN208757202U (en) | 2018-06-28 | 2018-06-28 | A kind of ash-laden gas processing unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821026867.4U CN208757202U (en) | 2018-06-28 | 2018-06-28 | A kind of ash-laden gas processing unit |
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| CN208757202U true CN208757202U (en) | 2019-04-19 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108607312A (en) * | 2018-06-28 | 2018-10-02 | 上海米素环保科技有限公司 | A kind of ash-laden gas processing method and its device |
| CN112221254A (en) * | 2020-09-07 | 2021-01-15 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Rotary vane type steam-water separator |
| WO2022094048A3 (en) * | 2020-10-30 | 2022-07-21 | Norton Engineering Consultants, Inc. | Compact venturi scrubber and method to treat gas streams utilizing the compact venturi scrubber |
| CN115430261A (en) * | 2022-08-24 | 2022-12-06 | 河南澜溪环保科技有限公司 | Tubular spraying cyclone washing device |
-
2018
- 2018-06-28 CN CN201821026867.4U patent/CN208757202U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108607312A (en) * | 2018-06-28 | 2018-10-02 | 上海米素环保科技有限公司 | A kind of ash-laden gas processing method and its device |
| CN112221254A (en) * | 2020-09-07 | 2021-01-15 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Rotary vane type steam-water separator |
| WO2022094048A3 (en) * | 2020-10-30 | 2022-07-21 | Norton Engineering Consultants, Inc. | Compact venturi scrubber and method to treat gas streams utilizing the compact venturi scrubber |
| CN115430261A (en) * | 2022-08-24 | 2022-12-06 | 河南澜溪环保科技有限公司 | Tubular spraying cyclone washing device |
| CN115430261B (en) * | 2022-08-24 | 2024-01-26 | 河南澜溪环保科技有限公司 | Tubular spray cyclone washing device |
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