CN203890455U - Powerless ejecting feeding device for electrolysis flue gas purification - Google Patents
Powerless ejecting feeding device for electrolysis flue gas purification Download PDFInfo
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- CN203890455U CN203890455U CN201420314597.2U CN201420314597U CN203890455U CN 203890455 U CN203890455 U CN 203890455U CN 201420314597 U CN201420314597 U CN 201420314597U CN 203890455 U CN203890455 U CN 203890455U
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- feeding device
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- reactor shell
- ejecting
- cone
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- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 18
- 239000003546 flue gas Substances 0.000 title abstract description 26
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title abstract description 25
- 238000000746 purification Methods 0.000 title abstract description 20
- 238000007664 blowing Methods 0.000 claims abstract description 34
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- 239000000779 smoke Substances 0.000 claims description 12
- PNEYBMLMFCGWSK-UHFFFAOYSA-N AI2O3 Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 53
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 206010039509 Scab Diseases 0.000 abstract 1
- 239000002893 slag Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 10
- 238000009792 diffusion process Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 210000003625 Skull Anatomy 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 239000002594 sorbent Substances 0.000 description 3
- 210000001513 Elbow Anatomy 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N HF Chemical group F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 231100000614 Poison Toxicity 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 125000001153 fluoro group Chemical group F* 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 206010005963 Bone formation increased Diseases 0.000 description 1
- 230000037250 Clearance Effects 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 206010073310 Occupational exposure Diseases 0.000 description 1
- 241000190022 Pilea cadierei Species 0.000 description 1
- 210000001533 Respiratory Mucosa Anatomy 0.000 description 1
- 210000003491 Skin Anatomy 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000274 adsorptive Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000035512 clearance Effects 0.000 description 1
- 231100000078 corrosive Toxicity 0.000 description 1
- 231100001010 corrosive Toxicity 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 231100000675 occupational exposure Toxicity 0.000 description 1
- 201000000023 osteosclerosis Diseases 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 230000001340 slower Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a powerless ejecting feeding device for electrolysis flue gas purification. The powerless ejecting feeding device comprises a reactor cylinder (1), wherein an ejecting blowing device (2) is arranged in the reactor cylinder (1), and a feeding device (3) is arranged above the ejecting blowing device (2). According to the powerless ejecting feeding device for the electrolysis flue gas purification, ejecting feeding is realized without external power, so that the energy consumption of a purification system is lowered, and the cost of the purification system is reduced; relatively strong wear to equipment cannot be caused, alumina damage is not easily caused, and the blockage to a feeding passage caused by slag crusts is not easily caused, so that the efficient and stable operation of the purification system is guaranteed; the running cost of an enterprise can also be reduced, and the pollutant emission is reduced, so that the powerless ejecting feeding device has good economic and social benefits.
Description
Technical field
the utility model relates to the unpowered injection feeding device of a kind of Smoke Gas Purity by Electrolysis, belongs to harmful smoke purification techniques field.
Background technology
in electrolytic aluminium plant electrolyzer production process, will produce a large amount of flue gases that contains fluorochemical, wherein main pollutent is hydrogen fluoride.Human body sucks excessive fluorine, can cause the osteofluorosis such as osteosclerosis, hyperosteogeny, spot shape tooth, and severe patient makes people's disability.Fluorochemical also has strong impulse and corrosive nature to respiratory mucosa and skin.China's hygienic standard regulation, the maximum allowable concentration of fluorochemical in workshop air (take fluorine) is 0.5mg/m3, according to the principle to poisonous substance toxicity grading in existing national standard < < Occupational Exposure harm of poison grading > >, fluorochemical is II level, belongs to highly harm.Meanwhile, fluorochemical is to the toxicity of plant than SO2 large 10～1000 times, and it is because its density is little, and easily diffusion, can diffuse to larger distance after discharge, endanger larger.
at present, to the gas cleaning of electrolysis, be mainly to adopt to add Aluminum Electrolysis Production raw alumina as sorbent material in flue gas, the hydrofluoric method in absorption flue gas.Charging process is generally used VRI press over system, because feeding device hole is too small, need to use the pressurized air of high pressure as power, and energy consumption is higher, is unfavorable for energy saving of system; Also has a kind of charging process that uses two stage blowing.At published application number: describe this charging process in detail in the charging purification method of a < < electrolysis of aluminum two stage blowing of 200710203025.1 and device > >: be equipped with feeding chute and air-supply duct on fluorinated alumina and fresh aluminum oxide blowing device, sorbent material adds from feeding chute, collapsible tube below is provided with diffusion disc, the spout of tracheae is to katabatic wind, fresh aluminum oxide in feeding chute or fluorinated alumina are blown on diffusion disc, on diffusion disc top, form very strong revolution air-flow, fresh aluminum oxide or fluorinated alumina are involved in air-flow, make it to mix with air-flow.This feed way has guaranteed the degree of mixing of sorbent material aluminum oxide and flue gas, and adsorption efficiency is higher.But there is following drawback: under the carrying secretly of the high velocity air that 1) aluminum oxide blows out in air-supply duct spout simultaneously, winding-up is on the diffusion disc of bottom at a high speed, due to aluminum oxide hardness higher (being only second to diamond), can cause very soon wearing and tearing to diffusion disc, cause structure deteriorate; 2) because aluminum oxide is jetted at a high speed on the diffusion disc of bottom, aluminum oxide degree of crushing is high, can affect the adsorptive power of aluminum oxide, and affects the current efficiency of downstream electrolyzer, causes electrolytic aluminum energy consumption to increase, and affects Aluminium Electrolysis Business Economic Benefit; 3) owing to there being very strong friction between fluorinated alumina and diffusion disc, special property due to fluorinated alumina, on diffusion disc, be easy to form " skull ", stop up the reinforced passage of fluoro-containing alumina, affect the feeding quantity of purification system, reduce the purification efficiency of flue gas purification system, thus welding; 3) because the practical pressurized air of needs is realized the injection of aluminum oxide as power, need to increase compressed air unit as roots blower, increase system energy consumption, increase overhaul of the equipments workload, affect the economic benefit of factory.And, owing to having increased purification system noisemaker, affected workman's Working environment.
Utility model content
the purpose of this utility model is, provides a kind of Smoke Gas Purity by Electrolysis unpowered injection feeding device, without additional pressurized air, can reduce system energy consumption and cost, also can overcome the deficiency of existing gas cleaning simultaneously.
the technical solution of the utility model is achieved in that
a kind of Smoke Gas Purity by Electrolysis of the present utility model is unpowered, and injection feeding device is, comprises reactor shell, is provided with ejection blowing apparatus in reactor shell, and ejection blowing apparatus top is provided with feeding device.
above-mentioned ejection blowing apparatus comprises nozzle, and nozzle is up big and down small interior empty cone, and nozzle top is provided with spout; Nozzle one side is connected with inlet pipe, and inlet pipe level is connected through being bent downwardly with inlet mouth after reactor shell, and inlet mouth is hydraucone; Inlet pipe is provided with variable valve.
above-mentioned feeding device comprises feeding chute, feeding chute passes the downward-sloping setting of reactor shell from reactor cylinder external body, and be bent downwardly at the nozzle place of ejection blowing apparatus, the exit of feeding chute is provided with cone-shaped body, and cone-shaped body is connected with the outlet of feeding chute through support.
between the upper plane of said nozzle and the bottom surface of cone-shaped body, be provided with gap delta.
owing to having adopted technique scheme, compared with prior art, the utility model, owing to having utilized the negative pressure in device, attracts outside air to enter feeding device to the utility model, in without powered attendant-controlled wheelchairs situation, realize splash loading, reduced energy consumption and the cost of purification system.And due in present method and device, aluminum oxide flow velocity is slow, can not cause stronger wearing and tearing to equipment, is difficult for causing aluminum oxide damaged, is difficult for causing " skull " to stop up reinforced passage, thereby has guaranteed the operation of purification system efficient stable.The utility model can also reduce the running cost of enterprise, reduces pollutant emission, has good economical, societal benefits.
Accompanying drawing explanation
fig. 1 is structural representation of the present utility model;
fig. 2 is the structural representation of the utility model feeding device;
fig. 3 is the structural representation of the utility model ejection blowing apparatus.
being labeled as in accompanying drawing: 1-reactor shell, 2-ejection blowing apparatus, 3-feeding device, 4-nozzle, 5-snubber assembly, 6-cone-shaped body, 7-inlet pipe, 8-variable valve, 9-inlet mouth, 10-joint flange, 11-flow valve, 12-access opening, 13-spout, 14-support, 15-emission of baiting chute.
Embodiment
below in conjunction with accompanying drawing, the utility model is described in further detail, but not as to any restriction of the present utility model.
a kind of Smoke Gas Purity by Electrolysis of the present utility model is unpowered injection charging process, as shown in Figure 1, the method is on the erect riser of flue gas purification system fly-ash separator entrance, to install reactor shell 1 additional, the axis of reactor shell 1 is provided with ejection blowing apparatus 2, and the top of ejection blowing apparatus 2 is provided with feeding device 3; Flue gas from bottom to top enters reactor shell 1, on the nozzle 4 of ejection blowing apparatus 2, plane place forms negative pressure, vacuum suction outside air by plane place on nozzle 4 sprays from spout 13, the aluminum oxide flowing out is blown into reactor shell 1 mixes with flue gas from feeding device 3.As shown in Figure 2, the exit of feeding device 3 is provided with snubber assembly 5, by snubber assembly 5, aluminum oxide is fallen from the center of feeding device outlet, slows down the falling velocity of aluminum oxide simultaneously.The bottom of snubber assembly 5 is provided with cone-shaped body 6, by the flow of the controlled oxygenerating aluminium of distance between cone governor body 6 upper ends and snubber assembly 5 bottom surfaces; Simultaneous oxidation aluminium evenly spreads to surrounding, thereby guarantees aluminum oxide being uniformly distributed in reactor.Between the bottom surface of cone-shaped body 6 and the upper plane of nozzle 4, be provided with gap delta; From the air of spout 13 ejection of nozzle 4 the blowing out of horizontal radial from gap delta, the aluminum oxide along cone-shaped body 6 landings is evenly blown into reactor shell 1, to guarantee the even mixing of aluminum oxide and flue gas.As shown in Figure 3, the inlet mouth 9 of ejection blowing apparatus 2 is downward hydraucone, to reduce entrance flow velocity, avoids sucking the foreign material such as rainwater.The inlet pipe 7 of ejection blowing apparatus 2 is provided with variable valve 8, by variable valve 8, controls the air capacity that enters reactor shell 1.
the unpowered injection feeding device of of the present utility model a kind of Smoke Gas Purity by Electrolysis forming according to aforesaid method is, as shown in Figure 1, this Smoke Gas Purity by Electrolysis is unpowered, and injection feeding device comprises reactor shell 1, in reactor shell 1, be provided with ejection blowing apparatus 2, ejection blowing apparatus 2 tops are provided with feeding device 3; As shown in Figure 3, ejection blowing apparatus 2 comprises nozzle 4, and nozzle 4 is up big and down small interior empty cone, and nozzle 4 tops are provided with spout 13; Nozzle 4 one sides are connected with inlet pipe 7, and inlet pipe 7 levels are connected through being bent downwardly with inlet mouth 9 after reactor shell 1, and inlet mouth 9 is hydraucone; Inlet pipe 7 is provided with variable valve 8; As shown in Figure 2, feeding device 3 comprises feeding chute 15, feeding chute 15 is outside through the downward-sloping setting of reactor shell 1 from reactor shell 1, and be bent downwardly at nozzle 4 places of ejection blowing apparatus 2, the exit of feeding chute 15 is provided with cone-shaped body 6, and cone-shaped body 6 is connected with the outlet of feeding chute 15 through support 14.Between the upper plane of nozzle 4 and the bottom surface of cone-shaped body 6, be provided with gap delta.
Embodiment
this routine method as Figure 1-3, is, on the vertical standpipe of flue gas purification system fly-ash separator entrance, reactor shell 1 is installed, and flue gas from bottom to top enters reactor shell 1; Ejection blowing apparatus 2 and feeding device 3 are installed on reactor shell 1; Aluminum oxide enters reactor shell 1 by the feeding chute 15 on feeding device 3.Because the interior ejection blowing apparatus 2 of reactor shell 1 and feeding device are arranged for 3 minutes, so the interior space of feeding chute 15 is difficult for greatly stopping up, feeding chute 15 is obliquely installed, aluminum oxide declines by self gravitation in feeding chute, aluminum oxide flow velocity is slow, can not cause stronger wearing and tearing to equipment, be difficult for because aluminum oxide is damaged and " skull " stops up reinforced passage; In this example in ejection blowing apparatus 2 nozzle 4 be shaped as inverted taper shape, be conducive to play flow-disturbing effect and promote that flue gas mixes with the even of aluminum oxide, disturbing flow device due to nozzle 4, reactor shell 1 is made the cylindrical even mixing that just can realize aluminum oxide and flue gas uniformly, so equipment making is simple, cost is low.Flue gas can form negative pressure in the upper plane of back taper simultaneously, attract outside air to enter reactor shell 1 along the inlet pipe 7 of ejection blowing apparatus 2, the air that reaches certain flow rate is blown into reactor shell 1 uniformly by the aluminum oxide of the cone-shaped body landing from feeding chute 15 outlets to be mixed with the flue gas reactor shell, reach good mixing effect, by fluorochemical in alumina adsorption flue gas.This example is to utilize negative pressure in reactor by extraneous air intake reactor shell 1, does not therefore need additional compressed air gas source, the system energy consumption of reduction and cost; The feeding quantity of spraying feeding device due to this injection is large, good mixing effect, and this example only needs one-level to mix purification just can effectively reduce reactor cylinder height, reduces the total height of purification system, thereby has reduced the investment of purification system.Feeding chute 15 is circular pipes, vertical section of feeding chute, is provided with snubber assembly 5, reduces the lowering speed of aluminum oxide by snubber assembly 5, prevents that aluminum oxide is gathered in a side inflow reactor shell 1 of feeding chute.The bottom of feeding chute 15 vertical sections is provided with cone-shaped body 6, and cone-shaped body 6 is connected with feeding chute 15 through support 14, and the distance of the top of cone-shaped body and feeding chute outlet is determined according to the alumina material amount adding.Cone-shaped body 6 can make to add the aluminum oxide of reactor shell 1 evenly to spread to surrounding, thereby guarantees aluminum oxide being uniformly distributed in reactor.Cone-shaped body 6 bottoms are provided with nozzle 4, and nozzle 4 profiles are an inverted cone, and nozzle 4 tops are provided with spout 13, and the alumina material amount that the distance between spout 13 and cone-shaped body 6 bottoms adds is as required determined.Nozzle 4 is designed to turbination, is also conducive to play flow-disturbing effect, promotes that flue gas mixes with the even of aluminum oxide.Cone is hollow structure, cavity by blast pipe and atmosphere UNICOM, by blast pipe, enter the air of nozzle 4 by the spout 13 on nozzle 4 tops and the horizontal clearance δ of cone-shaped body 6 and 4 formation of nozzle, horizontal radial ejection, by the aluminum oxide falling from aluminum oxide uniform distribution device, horizontal radial be blown into flue gas, to guarantee the even mixing of aluminum oxide and flue gas.In inlet pipe 7, be equiped with variable valve 8, for controlling injection air quantity, realize and guaranteeing, under the prerequisite of flue gas and aluminum oxide mixed effect, to reduce the air that enters reactor shell 1.Inlet pipe 7 is provided with an elbow, makes inlet mouth 9 directions downward, and inlet mouth 9 is designed to a hydraucone shape to reduce entrance flow velocity, avoids sucking the objects such as rainwater.
in this example, be, by feeding device 2, fresh aluminum oxide is added to reactor shell 1, by ejection blowing apparatus 2, fresh aluminum oxide is dispelled, fresh aluminum oxide is evenly mixed with the flue gas of fluoro-containing alumina in reactor shell 1, and the alumina concentration content in raising flue gas is to improve the purification efficiency of flue gas.
the device of this example comprises reactor shell 1; Reactor shell 1 is round shape.Ejection blowing apparatus 2 and feeding device 3 are installed on reactor shell 1.Aluminum oxide enters reactor shell 1 by the feeding chute 15 on feeding device 3.Ejection blowing apparatus 2 is inverted taper shape, has flow-disturbing effect.Feeding chute 15 is circular pipes, be arranged on reactor shell 1, feeding chute 15 upper ends are obliquely installed stretches out outside reactor shell 1, feeding chute 15 lower ends are bent downwardly, reclinate vertical section and reactor shell 1 center superposition, be provided with snubber assembly 5 in the vertical section of feeding chute 15.The bottom of feeding chute 15 vertical sections is provided with a cone-shaped body 6, and cone-shaped body 6 is connected with feeding chute 15 bottoms through support 14.Distance between top and feeding chute 15 bottoms of cone-shaped body 6 is determined according to alumina feeding amount.In cone-shaped body 6 bottoms, ejection blowing apparatus 2 is housed.Ejection blowing apparatus 2 is provided with nozzle 4, and nozzle 4 profiles are an inverted taper shape, and the alumina material amount that the distance between this conical upper plane and cone-shaped body 6 adds is as required definite, and nozzle 4 also has flow-disturbing effect.Nozzle 4 is hollow structure, and nozzle 4, by inlet pipe 7 and atmosphere UNICOM, is equiped with low resistance variable valve 8 for controlling injection air quantity in inlet pipe 7.Inlet pipe 7 is provided with an elbow, and Open Side Down to make inlet mouth 9, and inlet mouth 9 is hydraucone shape.The opening for feed of feeding chute 15 is provided with flow valve 11 and joint flange 10.Reactor shell 1 is provided with access opening 12, and serviceman can enter reactor shell 1 by access opening 12.
Claims (4)
1. the unpowered injection feeding device of Smoke Gas Purity by Electrolysis, comprises reactor shell (1), it is characterized in that: in reactor shell (1), be provided with ejection blowing apparatus (2), in ejection blowing apparatus (2) top, be provided with feeding device (3).
2. the unpowered injection feeding device of Smoke Gas Purity by Electrolysis according to claim 1, is characterized in that: described ejection blowing apparatus (2) comprises nozzle (4), and nozzle (4) is up big and down small interior empty cone, and nozzle (4) top is provided with spout (13); Nozzle (4) one sides are connected with inlet pipe (7), and inlet pipe (7) level is connected through being bent downwardly with inlet mouth (9) after reactor shell (1), and inlet mouth (9) is hydraucone; Inlet pipe (7) is provided with variable valve (8).
3. the unpowered injection feeding device of Smoke Gas Purity by Electrolysis according to claim 2, it is characterized in that: described feeding device (3) comprises feeding chute (15), feeding chute (15) is outside through the downward-sloping setting of reactor shell (1) from reactor shell (1), and locate to be bent downwardly at the nozzle (4) of ejection blowing apparatus (2), the exit of feeding chute (15) is provided with cone-shaped body (6), and cone-shaped body (6) is connected with the outlet of feeding chute (15) through support (14).
4. the unpowered injection feeding device of Smoke Gas Purity by Electrolysis according to claim 3, is characterized in that: between the upper plane of described nozzle (4) and the bottom surface of cone-shaped body (6), be provided with gap delta.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420314597.2U CN203890455U (en) | 2014-06-13 | 2014-06-13 | Powerless ejecting feeding device for electrolysis flue gas purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420314597.2U CN203890455U (en) | 2014-06-13 | 2014-06-13 | Powerless ejecting feeding device for electrolysis flue gas purification |
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| Publication Number | Publication Date |
|---|---|
| CN203890455U true CN203890455U (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420314597.2U Active CN203890455U (en) | 2014-06-13 | 2014-06-13 | Powerless ejecting feeding device for electrolysis flue gas purification |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104962953A (en) * | 2015-07-27 | 2015-10-07 | 河南科达东大国际工程有限公司 | Deduster and distributing device |
-
2014
- 2014-06-13 CN CN201420314597.2U patent/CN203890455U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104962953A (en) * | 2015-07-27 | 2015-10-07 | 河南科达东大国际工程有限公司 | Deduster and distributing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |