CN104944382B - A kind of closed circuit multistage absorption system of sulfur dioxide sulfurous acid - Google Patents
A kind of closed circuit multistage absorption system of sulfur dioxide sulfurous acid Download PDFInfo
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- CN104944382B CN104944382B CN201510267794.2A CN201510267794A CN104944382B CN 104944382 B CN104944382 B CN 104944382B CN 201510267794 A CN201510267794 A CN 201510267794A CN 104944382 B CN104944382 B CN 104944382B
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- level
- absorption tower
- sulphur
- combustion
- sulfur dioxide
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 59
- VWHAEAMVKOWNBA-UHFFFAOYSA-N sulfur dioxide sulfurous acid Chemical compound O=S=O.OS(O)=O VWHAEAMVKOWNBA-UHFFFAOYSA-N 0.000 title claims abstract description 10
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 86
- 239000005864 Sulphur Substances 0.000 claims abstract description 60
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000002485 combustion reaction Methods 0.000 claims abstract description 33
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 9
- 239000002253 acid Substances 0.000 claims abstract description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 26
- 239000011593 sulfur Substances 0.000 claims description 26
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000003028 elevating effect Effects 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 4
- 230000000740 bleeding effect Effects 0.000 claims description 2
- 239000008400 supply water Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000009102 absorption Effects 0.000 description 33
- 239000007789 gas Substances 0.000 description 32
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- LAKMMFCMJIXETM-UHFFFAOYSA-N [S].OS(O)=O Chemical compound [S].OS(O)=O LAKMMFCMJIXETM-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- HNBFUFIYQWYCDM-UHFFFAOYSA-N oxygen(2-) sulfane titanium(4+) Chemical compound [O--].[O--].S.[Ti+4] HNBFUFIYQWYCDM-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The present invention proposes a kind of closed circuit multistage absorption system of sulfur dioxide sulfurous acid, including the combustion sulphur device, cooler, first grade absorption tower, two-level absorption tower and the three-level that are sequentially connected absorb unit；The cooler, first grade absorption tower and two-level absorption tower bottom export provided with acid solution and are connected with a sulfurous acid storage tank, and the outlet of the sulfurous acid storage tank leads to sour workshop section；Described three-level absorbs the water inlet access process water of unit, and three-level absorbs the drainpipe of unit and concatenates a flow control valve, and the water inlet of the stub interface of flow control valve respectively with cooler, first grade absorption tower, two-level absorption tower is connected；The gas outlet of air inlet and two-level absorption tower that described three-level absorbs unit is connected.Sulfur dioxide absorbs by three-level in the absorption system of the present invention, and absorption efficiency is high, and weary gas is practically free of sulfur dioxide, air will not be polluted；Absorption rate of sulfur dioxide is high, saves the usage amount of sulphur.
Description
Technical field
The present invention relates to sulfurous acid equipment technical field processed, and in particular to a kind of closed circuit multistage suction of sulfur dioxide sulfurous acid
Receipts system.
Background technology
During sulphur sulfurous acid, generally first sulphur and oxygen burn obtaining sulfur dioxide gas, then
Sulfur dioxide is absorbed with water.High concentration is generally absorbed using single-stage spray absorber during whole sulfurous acid processed at present
Sulfur dioxide gas.This about half square metre of single-stage spray column sectional area, effective depth is less than 10 meters.Despite spraying,
Water droplet and sulfur dioxide gas contact area and time are all limited, the sulfur dioxide mixture gas of the upper kilostere of processing in one hour
Absorptivity will reach 99% above is unpractical, and in fact its absorptivity only has 60-70%, therefore substantial amounts of sulfur dioxide gas
Body is expelled directly out through blower fan, and severe contamination is caused to environment, and corrosion is caused to peripheral facilities, equipment.
The content of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art there is provided a kind of to sulfur dioxide gas absorptivity
High, the closed circuit multistage absorption system of sulfur dioxide sulfurous acid of energy-conserving and environment-protective.
To achieve the above object, the present invention uses following technical proposals：A kind of closed circuit multistage suction of sulfur dioxide sulfurous acid
Receipts system, including the combustion sulphur device, cooler, first grade absorption tower, two-level absorption tower and the three-level that are sequentially connected absorb unit；It is described
Cooler, first grade absorption tower and two-level absorption tower bottom export and are connected with a sulfurous acid storage tank, the sulfurous acid provided with acid solution
The outlet of storage tank leads to sour workshop section；Described three-level absorbs the water inlet access process water of unit, and three-level absorbs unit
Drainpipe concatenate a flow control valve, the stub interface of flow control valve respectively with cooler, first grade absorption tower, two grades of absorptions
The water inlet connection of tower；The gas outlet of air inlet and two-level absorption tower that described three-level absorbs unit is connected.
The combustion sulphur device includes sulfur burner, storage sulphur case and controller, and the storage sulphur lower box part, which is provided with, gives sulfur burner charging
Feed screw, the motor of the feed screw is electrically connected with controller and simultaneously controlled to rotate by controller, the combustion sulphur
Provided with molten sulphur room setting up and down and combustion sulphur room in stove, the molten sulphur room top is provided with a splicing room connected with molten sulphur room, institute
The outlet of splicing room and feed screw is stated, the molten sulphur room bottom is provided with the liquid for the sulphur inflow combustion sulphur room of fusing
Sulphur is exported, and temperature sensor is provided with the molten sulphur room, and the temperature sensor is electrically connected with the controller, and is set in the combustion sulphur room
There is a tray for combustion, the tray for combustion is fixed on an elevating mechanism controlled by controller and can moved up and down by its drive；Institute
State in sulfur burner provided with a gas off-take connected with combustion sulphur room, the air inlet connection of the gas off-take connection cooler.
The elevating mechanism includes two regulation drive shafts for passing through sulfur burner shell, and the two ends for adjusting drive shaft are fixed
There is rocking arm, the end of the rocking arm inside sulfur burner is articulated with the bottom of the tray for combustion；Sulfur burner outer wall is fixed with an electricity
Machine and a decelerator being connected with electric machine main shaft, the output shaft of decelerator are fixed with an actuating arm, the regulation drive shaft other end
Two ends of the end of rocking arm by connecting rod respectively with actuating arm are hinged, and the motor is electrically connected with the controller and by controller control
Rotate.
The three-level, which absorbs unit, includes an elevated tank, and the bottom of elevated tank is provided with the water inlet pipe for connecing process water, institute
State and a gas tank is fixed with elevated tank, gas tank is connected with the gas outlet of two-level absorption tower, the top of elevated tank is penetrated provided with one
Flow vacuum pump, the delivery port of water pump that the water inlet connection one of jet vacuum pump is connected with elevated tank, jet vacuum pump is taken out
Gas port is connected with gas tank, and the delivery port of jet vacuum pump is in elevated tank, and elevated tank lower end is provided with to cooler, one-level
The drainpipe that absorption tower and two-level absorption tower supply water, the top of the elevated tank is exported provided with weary gas.
The bottom of the elevated tank is provided with blow-off pipe, blow-off pipe and is serially connected with blowoff valve.
The sulfurous acid storage tank is provided with the volatilization sulfur dioxide recovery pipe connected with first order absorption tower bottom.
The water inlet pipe of the elevated tank is provided with water inlet waterpower self-control valve, and elevated tank is interior provided with control water inlet waterpower self-control
The altitude valve of valve opening and closing.
The cooler is waterlogging cooler.
The beneficial effects of the invention are as follows：During work, sulfur dioxide gas is cooled down with one-level water logging cooler, and have certain
Assimilation effect；Absorbed again with two-stage absorption tower, finally carried out discharging weary gas after three-level reinforcing absorbs with jet vacuum pump.For
Ensure that certain concentration difference three-level absorbs unit process system water, cooler, first grade absorption tower and two-level absorption tower jet
The used process water of vavuum pump, is so more beneficial for the absorption of sulfur dioxide.Fire sulphur device controls spiral to feed by controller
Machine inlet amount and the operating mode of sulfur burner can automatically adjust the quantum of output of sulfur dioxide, and make sulfur dioxide gas output stable, and one
Secondary sulphur of filling it up with can be run for a long time, without staff on duty.Sulfur dioxide is absorbed by three-level, and absorption efficiency is high, and weary gas is several
Sulfur dioxide is free of, air will not be polluted；Absorption rate of sulfur dioxide is high, saves the usage amount of sulphur.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is structural representation of the invention；
Fig. 2 is the cut-away view of sulfur burner；
Fig. 3 is the attachment structure figure of regulation drive shaft, connecting rod and actuating arm；
Fig. 4 is the structural representation that three-level absorbs unit.
Shown in figure：1st, sulphur device is fired, 2, cooler, 3, first grade absorption tower, 4, two-level absorption tower, 5, sulfurous acid storage tank,
6th, flow control valve, 7, sulfur burner, 8, storage sulphur case, 9, controller, 10, feed screw, 11, molten sulphur room, 12, combustion sulphur room, 13,
Splicing room, 14, temperature sensor, 15, tray for combustion, 16, gas off-take, 17, regulation drive shaft, 18, rocking arm, 19, connecting rod, 20, drive
Swing arm, 21, elevated tank, 22, gas tank, 23, jet vacuum pump, 24, volatilization sulfur dioxide recovery pipe, 25, blow-off pipe, 26, enter
Water waterpower self-control valve, 27, altitude valve, 28, three-level absorb unit.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The closed circuit multistage absorption system of a kind of sulfur dioxide sulfurous acid as shown in Fig. 1 to Fig. 4, including the combustion being sequentially connected
Sulphur device 1, cooler 2, first grade absorption tower 3, two-level absorption tower 4 and three-level absorb unit 28；The cooler 2, first order absorption
Tower 3 and the bottom of two-level absorption tower 4 export provided with acid solution and are connected with a sulfurous acid storage tank 5, and the outlet of the sulfurous acid storage tank 5 leads to
It is past to use sour workshop section.
The combustion sulphur device includes sulfur burner 7, storage sulphur case 8 and controller 9, and the bottom of storage sulphur case 8 is provided with to sulfur burner
The feed screw 10 of charging, motor and the controller 9 of the feed screw 10 are electrically connected with and are controlled to turn by controller 9
Dynamic, provided with molten sulphur room 11 setting up and down and combustion sulphur room 12 in the sulfur burner 7, the molten top of sulphur room 11 is provided with one and molten sulphur
The splicing room 13 that room 11 is connected, the splicing room 13 and the outlet of feed screw 10, the molten bottom of sulphur room 11 is provided with
The molten sulfur of the one sulphur inflow combustion sulphur room 12 for melting is exported, provided with temperature sensor 14 in the molten sulphur room 11, the temperature
Sensor 14 is electrically connected with controller 9, is provided with a tray for combustion 15 in the combustion sulphur room 12, the tray for combustion 15 is fixed on one by controlling
It can be moved up and down on the elevating mechanism that device 9 processed is controlled and by its drive；Connected in the sulfur burner 7 provided with one with combustion sulphur room 12
Gas off-take 16, the air inlet connection of the connection of gas off-take 16 cooler 2.
The elevating mechanism includes two regulation drive shafts 17 for passing through sulfur burner shell, and the two ends for adjusting drive shaft 17 are equal
Rocking arm 18 is fixed with, the end of the rocking arm 18 inside sulfur burner is articulated with the bottom of tray for combustion 15；The outer wall of sulfur burner 7 is fixed
There are a motor and a decelerator being connected with electric machine main shaft, the output shaft of decelerator is fixed with an actuating arm 20, adjusts drive shaft
Two ends of the end of the rocking arm 18 of 17 other ends by connecting rod 19 respectively with actuating arm 20 are hinged, the motor of elevating mechanism and control
Device 9 electrically connects and is controlled to rotate by controller 9.Controller 9 can adjust tray for combustion 15 and molten sulphur room with the rotation of controlled motor
The distance between 11, so as to adjust the heated degree in molten sulphur room 11, the speed that control solid sulfur dissolves is reached, makes titanium dioxide
Sulphur quantum of output is more stable, prevents sulfur dioxide gas from excessively exceeding the absorbability of system.
The three-level, which absorbs unit, to be included being fixed with a gas tank 22, gas tank on an elevated tank 21, the elevated tank 21
22 connect with the gas outlet of two-level absorption tower 4, and the top of elevated tank 21 is provided with a jet vacuum pump 23, jet vacuum pump 23
The delivery port for the water pump that water inlet connection one is connected with elevated tank 21, the bleeding point of jet vacuum pump 23 is connected with gas tank 22,
The delivery port of jet vacuum pump 23 is in elevated tank 21, and the lower end of elevated tank 21 is provided with to cooler 2, first grade absorption tower 3
The drainpipe supplied water with two-level absorption tower 4, drainpipe is provided with flow control valve 6, and the top of the elevated tank 21 is provided with weary
Gas is exported, and the water inlet pipe of the elevated tank 21 connects process water and is provided with water inlet waterpower self-control valve 26, elevated tank 21 and is provided with
The altitude valve 27 of the opening and closing of control water inlet waterpower self-control valve 26.
The bottom of the elevated tank 21 is provided with blow-off pipe, blow-off pipe 25 and is serially connected with blowoff valve.
The upper end of sulfurous acid storage tank 5 is provided with the volatilization sulfur dioxide recovery pipe 24 connected with the bottom of first grade absorption tower 3.
The cooler 2 is waterlogging cooler.
During work, sulfur dioxide gas is cooled down with water logging cooler 2, and have certain assimilation effect；Absorbed again with two-stage
Tower is absorbed, and is finally carried out discharging weary gas after three-level reinforcing absorbs with jet vacuum pump 23.To ensure certain concentration difference three
Level absorbs the process system water of unit 28, and cooler 2, first grade absorption tower 3 and two-level absorption tower 4 are used with jet vacuum pump 23
Process water, is so more beneficial for the absorption of sulfur dioxide.Fire sulphur device 1 and the inlet amount of feed screw 10 is controlled by controller 9
The quantum of output of sulfur dioxide can be automatically adjusted with the operating mode of sulfur burner 7, and makes sulfur dioxide gas output stable, sulphur is once filled it up with
Sulphur can be run for a long time, without staff on duty.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (3)
1. a kind of closed circuit multistage absorption device of sulfur dioxide sulfurous acid, it is characterised in that：Including be sequentially connected combustion sulphur device,
Cooler, first grade absorption tower, two-level absorption tower and three-level absorb unit；The cooler, first grade absorption tower and two-level absorption tower
Bottom exports provided with acid solution and is connected with a sulfurous acid storage tank, and the outlet of the sulfurous acid storage tank leads to sour workshop section；Described
Three-level absorbs the water inlet access process water of unit, and three-level absorbs drainpipe one flow control valve of concatenation of unit, flow
Water inlet of the stub interface of regulating valve respectively with cooler, first grade absorption tower, two-level absorption tower is connected；Described three-level absorbs
The air inlet of unit and the gas outlet of two-level absorption tower are connected；The three-level, which absorbs unit, includes an elevated tank, elevated tank
Bottom be provided with and connect the water inlet pipe of process water, the outlet of a gas tank, gas tank and two-level absorption tower is fixed with the elevated tank
Mouth connection, the top of elevated tank is provided with a jet vacuum pump, and the water inlet connection one of jet vacuum pump is connected with elevated tank
Water pump delivery port, the bleeding point of jet vacuum pump connects with gas tank, the delivery port of jet vacuum pump in elevated tank,
Elevated tank lower end be provided with to cooler, first grade absorption tower and two-level absorption tower supply water drainpipe, the elevated tank it is upper
Portion is exported provided with weary gas；The bottom of the elevated tank is provided with blow-off pipe, blow-off pipe and is serially connected with blowoff valve；The elevated tank
Water inlet pipe provided with water inlet waterpower self-control valve, the altitude valve provided with control water inlet waterpower self-control valve opening and closing in elevated tank；
The sulfurous acid storage tank is provided with the volatilization sulfur dioxide recovery pipe connected with first order absorption tower bottom.
2. the closed circuit multistage absorption device of sulfur dioxide sulfurous acid according to claim 1, it is characterised in that：The combustion
Sulphur device includes sulfur burner, storage sulphur case and controller, and the storage sulphur lower box part is provided with the feed screw fed to sulfur burner, institute
The motor for stating feed screw is electrically connected with controller and is controlled to rotate by controller, provided with setting up and down in the sulfur burner
Molten sulphur room and combustion sulphur room, the molten sulphur room top is provided with a splicing room connected with molten sulphur room, and the splicing room is entered with spiral
The outlet of material machine, the molten sulphur room bottom is provided with a molten sulfur outlet for the sulphur inflow combustion sulphur room of fusing, the molten sulphur
Interior is provided with temperature sensor, and the temperature sensor is electrically connected with the controller, and a tray for combustion is provided with the combustion sulphur room, described
Tray for combustion is fixed on an elevating mechanism controlled by controller and can moved up and down by its drive；One is provided with the sulfur burner
The gas off-take connected with combustion sulphur room, the air inlet connection of the gas off-take connection cooler.
3. the closed circuit multistage absorption device of sulfur dioxide sulfurous acid according to claim 2, it is characterised in that：The liter
Descending mechanism includes two regulation drive shafts for passing through sulfur burner shell, and the two ends of regulation drive shaft are respectively and fixedly provided with rocking arm, positioned at combustion
The end of the rocking arm of sulphur furnace interior is articulated with the bottom of the tray for combustion；Sulfur burner outer wall is fixed with a motor and one and motor master
The decelerator of axle connection, the output shaft of decelerator is fixed with an actuating arm, and the end for adjusting the rocking arm of the drive shaft other end passes through
Connecting rod is hinged with the two ends of actuating arm respectively, and the motor is electrically connected with the controller and is controlled to rotate by controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510267794.2A CN104944382B (en) | 2015-05-25 | 2015-05-25 | A kind of closed circuit multistage absorption system of sulfur dioxide sulfurous acid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510267794.2A CN104944382B (en) | 2015-05-25 | 2015-05-25 | A kind of closed circuit multistage absorption system of sulfur dioxide sulfurous acid |
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| CN104944382A CN104944382A (en) | 2015-09-30 |
| CN104944382B true CN104944382B (en) | 2017-07-28 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106629627B (en) * | 2016-11-30 | 2019-01-08 | 山东西王糖业有限公司 | The method for preparing sulfurous acid as raw material using sulphur |
| CN106731524B (en) * | 2017-02-10 | 2022-07-15 | 济南阜丰宏发机械有限公司 | Acid making system for recycling SO2 from tail gas in starch production process |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AP1294A (en) * | 1998-08-07 | 2004-08-30 | Edward Jackson | Sulphurous acid generator with air injector. |
| CN2880797Y (en) * | 2006-01-27 | 2007-03-21 | 林锋 | Sulfur burning furnace |
| CN202089770U (en) * | 2011-05-30 | 2011-12-28 | 河南巨龙生物工程股份有限公司 | Sulphurous acid preparation device |
| CN202155135U (en) * | 2011-08-08 | 2012-03-07 | 潍坊沃尔特化学有限公司 | SO3 gas adsorption plant |
| CN104150512A (en) * | 2014-08-13 | 2014-11-19 | 梅州联进化工有限公司 | Production process of sodium pyrosulfite |
| CN204702508U (en) * | 2015-05-25 | 2015-10-14 | 济南阜丰宏发机械有限公司 | The closed circuit multistage absorption system of a kind of sulfurous gas sulfurous acid |
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Address after: Building 101, Building 100, Xinmao Qilu Science and Technology City, Zidong Avenue, Sangzidian Town, Tianqiao District, Jinan City, Shandong Province, 250000 Patentee after: JINAN FUFENGWANG MACHINERY Co.,Ltd. Country or region after: China Address before: Room 2-106, Building B2, No. 130 Jiluo Road, Tianqiao District, Jinan City, Shandong Province, 250000 Patentee before: JINAN FUFENGWANG MACHINERY Co.,Ltd. Country or region before: China |