CN105617838A - Annular movable tile kiln flue gas dedusting and desulfurizing apparatuses and methods thereof - Google Patents
Annular movable tile kiln flue gas dedusting and desulfurizing apparatuses and methods thereof Download PDFInfo
- Publication number
- CN105617838A CN105617838A CN201410699210.4A CN201410699210A CN105617838A CN 105617838 A CN105617838 A CN 105617838A CN 201410699210 A CN201410699210 A CN 201410699210A CN 105617838 A CN105617838 A CN 105617838A
- Authority
- CN
- China
- Prior art keywords
- raw materials
- reaction raw
- drainage hood
- materials pond
- platform
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000003546 flue gas Substances 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims description 11
- 230000003009 desulfurizing effect Effects 0.000 title abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 199
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 166
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 150
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 239000007789 gas Substances 0.000 claims abstract description 20
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims abstract description 14
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 13
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 13
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 7
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims description 177
- 238000004062 sedimentation Methods 0.000 claims description 127
- 239000000243 solution Substances 0.000 claims description 80
- 239000005864 Sulphur Substances 0.000 claims description 59
- 239000011449 brick Substances 0.000 claims description 32
- 239000003517 fume Substances 0.000 claims description 30
- 238000006477 desulfuration reaction Methods 0.000 claims description 22
- 230000023556 desulfurization Effects 0.000 claims description 22
- 230000008602 contraction Effects 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 239000008187 granular material Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000009288 screen filtration Methods 0.000 claims description 4
- 238000010410 dusting Methods 0.000 claims description 2
- 230000008030 elimination Effects 0.000 claims description 2
- 238000003379 elimination reaction Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000011593 sulfur Substances 0.000 abstract description 4
- 229910052717 sulfur Inorganic materials 0.000 abstract description 4
- 239000000376 reactant Substances 0.000 abstract description 3
- 230000008929 regeneration Effects 0.000 abstract 4
- 238000011069 regeneration method Methods 0.000 abstract 4
- 235000011116 calcium hydroxide Nutrition 0.000 abstract 2
- 238000004064 recycling Methods 0.000 abstract 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 abstract 1
- 235000010265 sodium sulphite Nutrition 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 26
- 239000011575 calcium Substances 0.000 description 19
- 238000001816 cooling Methods 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The invention discloses various annular movable tile kiln flue gas dedusting and desulfurizing apparatuses. The principle of the apparatuses is characterized in that flue gas in a flue gas discharge zone goes through at least one filter screen under the drainage action of a closed drainage cover to filter out particulate foreign materials in the flue gas; and the flue gas filtered by the filter screen reacts with a NaOH solution sprayed by at least one row of nozzles under the drainage action of the closed drainage cover, a reacted gas is discharged to air under the action of an exhaust fan or an axial flow fan, a reacted mixed liquid flows to a regeneration pool provided with a Ca(OH)2 solution, a Na2SO3 solution and a NaHSO3 solution in the mixed liquid flowing to the regeneration pool further reacts with the Ca(OH)2 in the regeneration pool to afresh generate a NaOH solution, and the NaOH solution afresh generated in the regeneration pool is pumped to the nozzles through a water pump and undergoes a next reaction. The apparatuses have the advantages of good sulfur removal effect, reactant recycling and resource saving.
Description
Technical field
The present invention relates to a kind of dust-removing desulfurating apparatus, particularly relate to a kind of ring-like Mobile brick tile kiln flue-gas dust-removing and desulfurization device and method.
Background technology
The maximum feature of ring-like portable kiln body brick and tile kiln is exactly that adobe is motionless and kiln body rotates formula and moves, kiln body annularly track runs, and is divided into dryer section, preheating section, furnace zone, soaking zone, cooling section from front to back, is always about l20m��160m. the blank separating machine of mobile trolley used carrying and kiln body operate in the same direction, Fen Pi limit, limit code base. kiln body in rotary moving moves forward with the speed of 70m/d��l20m/d in orbit, front end " wedging " adobe, rear end " discharge " finished bricks, it is sequentially completed the overall process of drying and preheating roasting cooling brick output, this ring-like portable kiln body brick and tile kiln yield is big, efficiency is high, commercially enjoy great popularity at present, but flue gas produced by current this kiln body is mostly directly discharged into air, what also have adopts the devulcanizer on power plant or boiler, desulfurizing tower carries out fume treatment, owing to water circulation system and the desulfurizing tower of existing devulcanizer are respectively mounted, on-the-spot floor space is big, and during installation fee, need to consume substantial amounts of manpower and materials, equipment cost is high, and maintenance difficult, it is unfavorable for promoting the use of, therefore, need badly a kind of matched simple and practical, the brickkiln flue-gas dust-removing and desulfurization device that cost is low.
Summary of the invention
The goal of the invention of the present invention is:
There is provided a kind of easy to use, the ring-like portable kiln body brick and tile kiln flue-gas dust-removing and desulfurization device and method of energy-conserving and environment-protective that cost is low.
For reaching above-mentioned purpose, the technical scheme is that scheme one: ring-like Mobile brick tile kiln flue-gas dust-removing and desulfurization device, including reaction raw materials pond, close drainage hood, exhaust fan or axial flow blower, shower nozzle, water pump, drainage screen, close drainage hood and be fixedly mounted on the kiln body top at place of fume emission district, close drainage hood profile to mate with the kiln body top shape at place of fume emission district, close drainage hood within it and to be extended a distance into along the direction of chimney end kiln crown by the kiln body distal hood at chimney place place, the top closing drainage hood end is provided with exhausting duct upwards, at least one exhaust fan or axial flow blower it is provided with in exhausting duct, exhausting duct port is provided with one layer of gas-liquid filter net diagonally downward, the bottom closing drainage hood end is additionally provided with dodge gate, it is additionally provided with step at the kiln body top closed in drainage hood and supports platform, reaction raw materials pond is located on the kiln crown that step supports below platform, it is downward-sloping structure that step supports platform, step supports the platform splay end that dips down and is positioned at above reaction raw materials pond, step supports and is additionally provided with at least one row's column on platform, each column is installed with water pipe, water pipe is provided with multiple shower nozzle, water pump is arranged on side, reaction raw materials pond, water pump one end is connected with reaction raw materials pond by pipeline, the other end passes through pipeline and the cross current being installed on each pillar, step supports and is additionally provided with at least one of which drainage screen on platform, drainage screen base is fixing with step support platform to be connected, other three limits are fixing with closing drainage hood inner surface to be connected.
Described on base, step step supports and is provided with, between platform and closing drainage hood, a number of front two rows crossbeam being distributed from top to down that case bay is suitable, described front two rows crossbeam is fixing with the closing drainage hood at kiln body two ends to be connected, and described front two rows crossbeam is staggered, drainage screen is arranged between adjacent front-seat crossbeam and heel row crossbeam, forming folded filter net, folded filter mesh number is between 20 100; Or step step supports and only one arranges crossbeam between platform and closing drainage hood, drainage screen is installed on crossbeam, forms flat filter net, and flat filter mesh number is between 20 100; Step step support platform and closing be provided with between drainage hood case bay suitable a number of front two rows vertical beam, front two rows vertical beam one end is fixing with step step support platform upper surface to be connected, the other end is fixing with closing drainage hood top inner surface to be connected, and described front two rows vertical beam is staggered, drainage screen is arranged between adjacent front-seat vertical beam and heel row vertical beam, forming folded filter net, folded filter mesh number is between 20 100; Or step step supports and only one arranges vertical beam between platform and closing drainage hood, drainage screen is installed on vertical beam, forms flat filter net, and flat filter mesh number is between 20 100.
Described on base, being incline structure bottom reaction raw materials pond, the water pipe being connected with water pump in reaction raw materials pond is positioned at the end and from there being certain distance bottom reaction raw materials pond of being inclined upwardly of basin bottom, water pipe and be additionally provided with bracing frame between bottom reaction raw materials pond.
Described on base, side, reaction raw materials pond is provided with sedimentation tank, the spilling water connecting pipe connected with reaction raw materials pond it is provided with in sedimentation tank, spilling water connecting pipe has certain distance from bottom reaction raw materials pond and sedimentation tank, it it is downward-sloping structure bottom sedimentation tank, that side of sedimentation tank away from spilling water connecting pipe is the splay end that dips down, sedimentation tank and spilling water connecting pipe junction are be provided with the check valve being flowed to reaction raw materials pond by sedimentation tank in spilling water connecting pipe, and step step supports the platform splay end that dips down and is positioned at above sedimentation tank.
Described on base, it is NaOH solution in reaction raw materials pond, is Ca (OH) in sedimentation tank2Solution.
Scheme two: ring-like Mobile brick tile kiln flue-gas dust-removing and desulfurization device, including reaction raw materials pond, close drainage hood, exhaust fan or axial flow blower, shower nozzle, water pump, drainage screen, close drainage hood and be fixedly mounted on the kiln body top at place of fume emission district, close drainage hood profile to mate with kiln body top shape, close drainage hood within it and to be extended a distance into along the direction of chimney end kiln crown by the kiln body distal hood at chimney place place, the top closing drainage hood end is provided with exhausting duct upwards, at least one exhaust fan or axial flow blower it is provided with in exhausting duct, exhausting duct port is provided with one layer of gas-liquid filter net diagonally downward, the bottom closing drainage hood end is additionally provided with dodge gate, between removable kiln body top and closing drainage hood, it is additionally provided with step supports platform, reaction raw materials pond is located at step and supports below platform, step supports platform and is provided with a gas ejector, gas ejector is by contraction section, trunnion section and diffuser composition, contraction section or be truncated cone body, or for cutting just many pyramid body, trunnion section or be cylinder, or be positive multiple edge body, diffuser or be tip-tilted fall cut vertebral body, or be the tip-tilted body of falling polygonal pyramid, contraction section port and closing drainage hood, it is closed structure that step supports between platform, contraction section or the trunnion intrasegmental part of gas ejector are additionally provided with at least one drain pipe, water pipe is evenly equipped with multiple shower nozzle, the end of trunnion section is additionally provided with a number of aqueduct, aqueduct lower end connects with reaction raw materials pond, water pump is arranged on side, reaction raw materials pond, water pump one end is connected with reaction raw materials pond by pipeline, the other end with by the cross current in pipeline and gas ejector, step supports and is additionally provided with at least one of which drainage screen on platform, drainage screen base is fixing with step support platform to be connected, other three limits are fixing with closing drainage hood inner surface to be connected.
Described on base, step step supports and is provided with, between platform and closing drainage hood, a number of front two rows crossbeam being distributed from top to down that case bay is suitable, described front two rows crossbeam is fixing with the closing drainage hood at kiln body two ends to be connected, and described front two rows crossbeam is staggered, drainage screen is arranged between adjacent front-seat crossbeam and heel row crossbeam, forming folded filter net, folded filter mesh number is between 20 100; Or step step supports and only one arranges crossbeam between platform and closing drainage hood, drainage screen is installed on crossbeam, forms flat filter net, and flat filter mesh number is between 20 100; Step step support platform and closing be provided with between drainage hood case bay suitable a number of front two rows vertical beam, front two rows vertical beam one end is fixing with step step support platform upper surface to be connected, the other end is fixing with closing drainage hood top inner surface to be connected, and described front two rows vertical beam is staggered, drainage screen is arranged between adjacent front-seat vertical beam and heel row vertical beam, forming folded filter net, folded filter mesh number is between 20 100; Or step step supports and only one arranges vertical beam between platform and closing drainage hood, drainage screen is installed on vertical beam, forms flat filter net, and flat filter mesh number is between 20 100.
Described on base, being incline structure bottom reaction raw materials pond, the water pipe being connected with water pump in reaction raw materials pond is positioned at the end and from there being certain distance bottom reaction raw materials pond of being inclined upwardly of basin bottom, water pipe and be additionally provided with bracing frame between bottom reaction raw materials pond.
Described on base, side, reaction raw materials pond is provided with sedimentation tank, the spilling water connecting pipe connected with reaction raw materials pond it is provided with in sedimentation tank, spilling water connecting pipe has certain distance from bottom reaction raw materials pond and sedimentation tank, it it is downward-sloping structure bottom sedimentation tank, that side of sedimentation tank away from spilling water connecting pipe is the splay end that dips down, sedimentation tank and spilling water connecting pipe junction are be provided with the check valve being flowed to reaction raw materials pond by sedimentation tank in spilling water connecting pipe, and step step supports the platform splay end that dips down and is positioned at above sedimentation tank.
Described on base, it is NaOH solution in reaction raw materials pond, is Ca (OH) in sedimentation tank2Solution.
Scheme three: ring-like Mobile brick tile kiln flue-gas dust-removing and desulfurization device, including reaction raw materials pond, close drainage hood, exhaust fan or axial flow blower, shower nozzle, water pump, drainage screen, close drainage hood and be fixedly mounted on the kiln body top at place of fume emission district, close drainage hood profile to mate with kiln body top shape, close drainage hood within it and to be extended a distance into along the direction of chimney end kiln crown by the kiln body distal hood at chimney place place, the top closing drainage hood end is provided with exhausting duct upwards, at least one exhaust fan or axial flow blower it is provided with in exhausting duct, exhausting duct port is provided with one layer of gas-liquid filter net diagonally downward, the bottom closing drainage hood end is additionally provided with dodge gate, between removable kiln body top and closing drainage hood, it is additionally provided with step supports platform, reaction raw materials pond is located at step and supports below platform, step supports platform and is provided with row's column, each column is installed with a water pipe, water pipe is provided with a number of shower nozzle, each shower nozzle is connected to a sulphur removal pipeline, for sealing structure between sulphur removal pipeline, sulphur removal pipeline front end is horizontal structure, end is the structure that is inclined upwardly, the junction of the horizontal component of sulphur removal pipeline and the part that is inclined upwardly is additionally provided with aqueduct straight down, aqueduct lower end connects with reaction raw materials pond, water pump is arranged on side, reaction raw materials pond, water pump one end connects with reaction raw materials pond, the other end and the cross current being installed on pillar, step supports and is additionally provided with at least one of which drainage screen on platform, drainage screen base is fixing with step support platform to be connected, other three limits are fixing with closing drainage hood inner surface to be connected.
Described on base, step step supports and is provided with, between platform and closing drainage hood, a number of front two rows crossbeam being distributed from top to down that case bay is suitable, described front two rows crossbeam is fixing with the closing drainage hood at kiln body two ends to be connected, and described front two rows crossbeam is staggered, drainage screen is arranged between adjacent front-seat crossbeam and heel row crossbeam, forming folded filter net, folded filter mesh number is between 20 100; Or step step supports and only one arranges crossbeam between platform and closing drainage hood, drainage screen is installed on crossbeam, forms flat filter net, and flat filter mesh number is between 20 100; Step step support platform and closing be provided with between drainage hood case bay suitable a number of front two rows vertical beam, front two rows vertical beam one end is fixing with step step support platform upper surface to be connected, the other end is fixing with closing drainage hood top inner surface to be connected, and described front two rows vertical beam is staggered, drainage screen is arranged between adjacent front-seat vertical beam and heel row vertical beam, forming folded filter net, folded filter mesh number is between 20 100; Or step step supports and only one arranges vertical beam between platform and closing drainage hood, drainage screen is installed on vertical beam, forms flat filter net, and flat filter mesh number is between 20 100.
Described on base, being incline structure bottom reaction raw materials pond, the water pipe being connected with water pump in reaction raw materials pond is positioned at the end and from there being certain distance bottom reaction raw materials pond of being inclined upwardly of basin bottom, water pipe and be additionally provided with bracing frame between bottom reaction raw materials pond.
Described on base, side, reaction raw materials pond is provided with sedimentation tank, the spilling water connecting pipe connected with reaction raw materials pond it is provided with in sedimentation tank, spilling water connecting pipe has certain distance from bottom reaction raw materials pond and sedimentation tank, it it is downward-sloping structure bottom sedimentation tank, that side of sedimentation tank away from spilling water connecting pipe is the splay end that dips down, sedimentation tank and spilling water connecting pipe junction are be provided with the check valve being flowed to reaction raw materials pond by sedimentation tank in spilling water connecting pipe, and step step supports the platform splay end that dips down and is positioned at above sedimentation tank.
Described on base, it is NaOH solution in reaction raw materials pond, is Ca (OH) in sedimentation tank2Solution.
Scheme four: ring-like Mobile brick tile kiln flue-gas dust-removing and desulfurization device, including reaction raw materials pond, close drainage hood, exhaust fan or axial flow blower, shower nozzle, water pump, drainage screen, close drainage hood and be fixedly mounted on the kiln body top at place of fume emission district, reaction raw materials pond is installed in the kiln body sidepiece at place of fume emission district, close drainage hood profile to mate with kiln body top shape, close drainage hood within it and to be extended a distance into along the direction of chimney end kiln crown by the kiln body distal hood at chimney place place, the top closing drainage hood end is provided with exhausting duct upwards, at least one exhaust fan or axial flow blower it is provided with in exhausting duct, exhausting duct port is provided with one layer of gas-liquid filter net diagonally downward, the bottom closing drainage hood end is additionally provided with dodge gate, between removable kiln body top and closing drainage hood, it is additionally provided with step supports platform, step supports platform and is provided with row's column, each column is installed with a water pipe, water pipe is provided with a number of shower nozzle, each shower nozzle is connected to a sulphur removal pipeline, for sealing structure between sulphur removal pipeline, sulphur removal pipeline front end is horizontal structure, end is the structure that is inclined upwardly, the junction of the horizontal component of sulphur removal pipeline and the part that is inclined upwardly is additionally provided with aqueduct straight down, aqueduct lower end connects with reaction raw materials pond, water pump arranges and is installed in side, reaction raw materials pond, water pump one end connects with reaction raw materials pond, the other end and the cross current being installed on pillar, step supports and is additionally provided with at least one of which drainage screen on platform, drainage screen base is fixing with step support platform to be connected, other three limits are fixing with closing drainage hood inner surface to be connected.
Described on base, step step supports and is provided with, between platform and closing drainage hood, a number of front two rows crossbeam being distributed from top to down that case bay is suitable, described front two rows crossbeam is fixing with the closing drainage hood at kiln body two ends to be connected, and described front two rows crossbeam is staggered, drainage screen is arranged between adjacent front-seat crossbeam and heel row crossbeam, forming folded filter net, folded filter mesh number is between 20 100; Or step step supports and only one arranges crossbeam between platform and closing drainage hood, drainage screen is installed on crossbeam, forms flat filter net, and flat filter mesh number is between 20 100; Step step support platform and closing be provided with between drainage hood case bay suitable a number of front two rows vertical beam, front two rows vertical beam one end is fixing with step step support platform upper surface to be connected, the other end is fixing with closing drainage hood top inner surface to be connected, and described front two rows vertical beam is staggered, drainage screen is arranged between adjacent front-seat vertical beam and heel row vertical beam, forming folded filter net, folded filter mesh number is between 20 100; Or step step supports and only one arranges vertical beam between platform and closing drainage hood, drainage screen is installed on vertical beam, forms flat filter net, and flat filter mesh number is between 20 100.
Described on base, being incline structure bottom reaction raw materials pond, the water pipe being connected with water pump in reaction raw materials pond is positioned at the end and from there being certain distance bottom reaction raw materials pond of being inclined upwardly of basin bottom, water pipe and be additionally provided with bracing frame between bottom reaction raw materials pond.
Described on base, reaction raw materials pond sidepiece is additionally provided with sedimentation tank, the spilling water connecting pipe connected with reaction raw materials pond it is provided with in sedimentation tank, spilling water connecting pipe has certain distance from bottom reaction raw materials pond and sedimentation tank, it it is downward-sloping structure bottom sedimentation tank, that side of sedimentation tank away from spilling water connecting pipe is the splay end that dips down, sedimentation tank and spilling water connecting pipe junction are be provided with the check valve being flowed to reaction raw materials pond by sedimentation tank in spilling water connecting pipe, described aqueduct connects with sedimentation tank, it is NaOH solution in reaction raw materials pond, is Ca (OH) in sedimentation tank2Solution, further respectively has a raw material supply pool at two ends, reaction raw materials pond.
Scheme five: ring-like Mobile brick tile kiln flue-gas dust-removing and desulfurization device, including reaction raw materials pond, close drainage hood, axial flow blower, shower nozzle, water pump, close drainage hood and be fixedly mounted on the kiln body top at place of fume emission district, close drainage hood profile to mate with kiln body top shape, close drainage hood within it and to be extended a distance into along the direction of chimney end kiln crown by the kiln body distal hood at chimney place place, the top closing drainage hood end is provided with exhausting duct upwards, exhausting duct port is provided with one layer of gas-liquid filter net diagonally downward, the bottom closing drainage hood end is additionally provided with dodge gate, between removable kiln body top and closing drainage hood, it is additionally provided with step supports platform, reaction raw materials pond is located at step and supports below platform, support platform near chimney place is provided with an axial flow blower, step supports and is additionally provided with sulphur removal pipeline on platform, axial flow blower one is terminated with the collection conduit for collecting flue gas, the other end is connected with sulphur removal pipeline, sulphur removal pipe level is arranged, at least two row's water injectors it are provided with in sulphur removal pipeline, often row's water injector is made up of at least two water pipes, every water pipe is provided with the shower nozzle of two row's injections in a certain angle, the a number of baffle plate for blocking sulphur removal pipeline left part and right part it is additionally provided with in sulphur removal pipeline, the baffle plate blocking left part and right part is interspersed, sulphur removal pipe end is connected with the exhausting duct closing drainage hood, aqueduct straight down it is additionally provided with in sulphur removal pipeline, aqueduct lower end connects with reaction raw materials pond, water pump is arranged on side, reaction raw materials pond, water pump one end connects with reaction raw materials pond, the other end and the cross current in sulphur removal pipeline.
Described on base, being incline structure bottom reaction raw materials pond, the water pipe being connected with water pump in reaction raw materials pond is positioned at the end and from there being certain distance bottom reaction raw materials pond of being inclined upwardly of basin bottom, water pipe and be additionally provided with bracing frame between bottom reaction raw materials pond.
Described on base, side, reaction raw materials pond is provided with sedimentation tank, the spilling water connecting pipe connected with reaction raw materials pond it is provided with in sedimentation tank, spilling water connecting pipe has certain distance from bottom reaction raw materials pond and sedimentation tank, it it is downward-sloping structure bottom sedimentation tank, that side of sedimentation tank away from spilling water connecting pipe is the splay end that dips down, sedimentation tank and spilling water connecting pipe junction are be provided with the check valve being flowed to reaction raw materials pond by sedimentation tank in spilling water connecting pipe, described aqueduct connects with sedimentation tank, it is NaOH solution in reaction raw materials pond, is Ca (OH) in sedimentation tank2Solution.
Present invention also offers a kind of ring-like Mobile brick tile kiln process for dusting and dsulfurizing fume, mainly comprise the steps:
(1) first the flue gas at place of fume emission district is under a drainage closing drainage hood, by least one of which drainage screen, the granule foreign material in elimination flue gas;
(2) flue gas after filter screen filtration is then under the drainage closing drainage hood, reacts with the NaOH solution of at least one row's shower nozzle ejection, and reaction equation is: 2NaOH+SO2��Na2SO3+H2O; Na2SO3+SO2+H2O��2NaHSO3;
(3) reacted gas enters air under the effect of exhaust fan or axial flow blower, and reacted mixing liquid flows into a regenerated reactor, has Ca (OH) in regenerated reactor2Solution, flows into the Na in the mixed liquor of regenerated reactor2SO3Solution and NaHSO3Solution and the Ca (OH) in regenerated reactor2Solution reacts further, regenerates NaOH solution, and reaction equation is:
NaHSO3+Ca(OH)2��CaSO3��+NaOH+H2O;
Na2SO3+Ca(OH)2��CaSO3��+2NaOH; The NaOH solution regenerated in regenerated reactor is pumped to shower nozzle through water pump, reacts next time.
Beneficial effects of the present invention:
1) present invention adopts the aqueous solution of spray NaOH to make a return journey the sulfide in smoke abatement gas, reacted solution and the Ca (OH) in sedimentation tank2Solution reacts generation NaOH solution further, and sulfur limitation effect is good and reactant can recycle, and economizes on resources.
2) reacted solution can flow into sedimentation tank through aqueduct, and sulfur-bearing precipitate, bottom pond, can flow into reaction raw materials pond through spilling water connecting pipe when solution is more in sedimentation tank, recycle and economize on resources further.
3) in the present invention program one to four, drainage screen is fold-type structure, so not only may filter that the reactant liquor absorbing dust but also shower nozzle can be made to spray and sulfur-bearing smog fully react so that dust-removal and desulfurizing is effective.
4) the present invention program three and four adopts the mode that shower nozzle is connected with sulphur removal pipeline to carry out flue gas transmission, for sealing structure between sulphur removal pipeline, flue gas is only by sulphur removal pipeline, one shower nozzle is responsible for a sulphur removal pipeline, making sulphur removal thorough, the division of labor of each shower nozzle is clearly, it is simple to the work such as follow-up maintenance, additionally sulphur removal pipeline also can adopt gas ejector to replace, and simplifies device.
5) it is provided with the baffle plate being interspersed in the sulphur removal pipeline in scheme five, increases flue gas transmission range, improve reaction efficiency further.
6) the invention provides the multiple simple and effective flue gas desulfurization device for brick and tile kiln, it is provided that multiple choices, it is simple to popularization and application.
Accompanying drawing explanation
Fig. 1 is one of ring-like Mobile brick tile kiln external structure schematic diagram;
Fig. 2 is one of apparatus of the present invention internal structure schematic diagram;
Fig. 3 is the two of apparatus of the present invention internal structure schematic diagram;
Fig. 4 is the three of apparatus of the present invention internal structure schematic diagram;
Fig. 5 is the four of apparatus of the present invention internal structure schematic diagram;
Fig. 6 is the five of apparatus of the present invention internal structure schematic diagram;
Fig. 7 is the six of apparatus of the present invention internal structure schematic diagram;
Fig. 8 is the seven of apparatus of the present invention internal structure schematic diagram;
Fig. 9 is the eight of apparatus of the present invention internal structure schematic diagram;
Figure 10 is the nine of apparatus of the present invention internal structure schematic diagram;
Figure 11 is the ten of apparatus of the present invention internal structure schematic diagram;
Figure 12 is the 11 of apparatus of the present invention internal structure schematic diagram;
Figure 13 is the 12 of apparatus of the present invention internal structure schematic diagram;
Figure 14 is the 13 of apparatus of the present invention internal structure schematic diagram;
Figure 15 is the two of ring-like Mobile brick tile kiln external structure schematic diagram;
Figure 16 is one of dust-removing desulfurating apparatus internal structure schematic diagram in Figure 15;
Figure 17 is two of the dust-removing desulfurating apparatus internal structure schematic diagram in Figure 15;
Figure 18 is the three of ring-like Mobile brick tile kiln external structure schematic diagram;
Figure 19 is one of dust-removing desulfurating apparatus internal structure schematic diagram in Figure 18;
Figure 20 is two of the dust-removing desulfurating apparatus internal structure schematic diagram in Figure 18;
Figure 21 is the A direction view in Fig. 2, Fig. 3, Fig. 4, Fig. 5;
Figure 22 is the B direction view of Fig. 2, Fig. 3, Fig. 6, Fig. 7, Figure 11, Figure 12, Figure 16, Figure 19;
Figure 23 is the B direction view of Fig. 4, Fig. 5, Fig. 8, Fig. 9, Figure 10, Figure 13, Figure 14, Figure 17, Figure 20;
Figure 24 is the 14 of apparatus of the present invention internal structure schematic diagram;
Figure 25 is the 15 of apparatus of the present invention internal structure schematic diagram;
Figure 26 is injection apparatus structural representation in Figure 22, Figure 23;
Figure 27 is sulphur removal pipe level top view in Figure 22, Figure 23;
The concrete meaning of number in the figure is: 1. removable kiln body, 2. circular orbit, 101, cooling zone kiln body section, 102. roast area kiln body section, 103. preheating zone kiln body section, 104. baking zone kiln body section, 105. smoke stack emission district, 301. closing drainage hood, 302. chimney, 303. drainage screen, 303-1, front-seat crossbeam, 303-2, heel row crossbeam, 303-3, front-seat longeron, 303-4 heel row longeron, 304. column, 305. water pipe, 306. shower nozzle, 307. axial flow blower, 308. sulphur removal pipeline, 309. drainage tube, 310. reaction raw materials pond, 311. water pump, 312. step supports platform, 313. sedimentation tank, 314. spilling water connecting pipe, 315. exhausting duct, 316. leak-off chute, 317. baffle plate, 318. support, 319. support column, 320. column, 321. water pipe, 322. contraction section, 323. trunnion section, 324. diffuser, 326 sodium hydroxide raw material supply pools, 327. calcium hydroxide raw material supply pool, 328, dodge gate, 329, baffle plate, 330, sulphur removal pipeline, 331, gas-liquid separation net, 332, collection conduit.
Detailed description of the invention
Embodiment one, referring to Fig. 1, Fig. 2, Figure 21, Figure 22, removable kiln body 1 is divided into baking zone kiln body section 104, preheating zone kiln body section 103, roast area kiln body section 102, cooling zone kiln body section 101, smoke stack emission district 105 is arranged on baking zone kiln body section 104 end, Fig. 2 show the internal dust-removing desulfurating apparatus structural representation of kiln body, dust-removing desulfurating apparatus is located at baking zone kiln body section 104, close drainage hood 301 and be fixedly mounted on the kiln body top at place of fume emission district 105, close drainage hood 301 within it and to be extended a distance into along kiln body section 103 direction, preheating zone by the kiln body distal hood at place of fume emission district 105, the top closing drainage hood 301 end is provided with exhausting duct 315 upwards, a number of axial flow blower 307 it is equipped with in exhausting duct 315, exhausting duct 315 port is additionally provided with one layer of gas-liquid separation net 331 diagonally downward, the bottom closing drainage hood 301 end is additionally provided with dodge gate 328, between removable kiln body 1 top and closing drainage hood 301, it is additionally provided with step supports platform 312, it is downward-sloping structure that step supports platform 312, reaction raw materials pond 310 is located at step and supports below platform 312, step supports platform 312 splay end that dips down and is positioned at above reaction raw materials pond 310, step supports and is additionally provided with at least one row's column 304 on platform 312, each column 304 is installed with water pipe 305, water pipe 305 is provided with multiple shower nozzle 306 on from top to down, water pump 311 is arranged on side, reaction raw materials pond, water pump 311 one end connects with reaction raw materials pond 310, the other end connects with the water pipe 305 being installed on each column 304, step supports and is additionally provided with at least one of which drainage screen 303 between platform 312 and closing drainage hood 301, step supports and is provided with, between platform 312 and closing drainage hood 301, a number of front two rows crossbeam being distributed from top to down that case bay is suitable, described front two rows crossbeam is fixed on kiln body two ends, and described front two rows crossbeam is staggered, described drainage screen 303 is arranged between adjacent front-seat crossbeam 303-1 and heel row crossbeam 303-2, drainage screen 303 order number is between 20 100.
Embodiment two, referring to Fig. 3, the present embodiment and embodiment one are different in that: in the present embodiment, side, reaction raw materials pond 310 is provided with sedimentation tank 313, the spilling water connecting pipe 314 connected with reaction raw materials pond it is provided with in sedimentation tank 313, the check valve being flowed to reaction raw materials pond 313 by sedimentation tank 313 it is provided with in spilling water connecting pipe 314, step supports platform 312 splay end that dips down and is positioned at above sedimentation tank 313, is provided with NaOH solution, is provided with Ca (OH) in sedimentation tank in reaction raw materials pond2Solution, other detailed description of the invention is identical with embodiment one, repeats no more.
In the present embodiment, desulfurizing device specific works process is as follows: the flue gas at place of fume emission district filters the granule foreign material in flue gas through drainage screen 303, reaction raw materials pond 310 provides NaOH reaction solution, NaOH reaction solution flows to each shower nozzle 306 through water pump 311, flue gas after drainage screen 303 filters reacts with the NaOH solution of each shower nozzle 306 ejection under the drainage closing drainage hood 301, and reaction equation is: 2NaOH+SO2��Na2SO3+H2O; Na2SO3+SO2+H2O��2NaHSO3; Reacted gas is discharged by the exhaust fan in closing drainage hood 301 end exhausting duct 315 or axial flow blower, and the end that dips down that reacted mixing liquid supports platform 312 through step flows into sedimentation tank 313, the Na in the mixed liquor of inflow sedimentation tank 3132SO3Solution and NaHSO3Solution and the Ca (OH) in sedimentation tank2Solution reacts further, regenerates NaOH solution, and reaction equation is: NaHSO3+Ca(OH)2��CaSO3��+NaOH+H2O;
Na2SO3+Ca(OH)2��CaSO3��+2NaOH
Reaction final settling tanks inner bottom part is CaSO3Precipitate, top is NaOH solution, when in sedimentation tank, solution is more, the spilling water connecting pipe that NaOH solution connects with reaction raw materials pond through sedimentation tank flows into reaction reaction feed reservoir, under the effect of water pump, suction shower nozzle carries out lower secondary response, goes round and begins again, and recycles.
Embodiment three, referring to Fig. 4, Figure 23, the present embodiment and embodiment one are different in that: in this enforcement step support platform 312 and closing be provided with between drainage hood 301 case bay suitable a number of front two rows longeron, front two rows longeron one end is fixed on kiln body top, one end is connected with closing drainage hood 301, and described front two rows longeron is staggered, described drainage screen is arranged between adjacent front-seat longeron 303-3 and heel row longeron 303-4, formation is folded over filter screen, it is folded over filter screen 303 order number between 20 100, wherein step step supports and also can only have row's vertical beam between platform and closing drainage hood, drainage screen 303 is installed on vertical beam, form flat filter net (referring to Figure 19), flat filter mesh number is between 20 100, other detailed description of the invention is identical with embodiment one, repeat no more.
Embodiment four, referring to Fig. 5, originally it is implemented on the basis of embodiment three to have made some improvements, improvements are: side, reaction raw materials pond 310 is provided with sedimentation tank 313, the spilling water connecting pipe 314 connected with reaction raw materials pond it is provided with in sedimentation tank 313, spilling water connecting pipe 314 has certain distance from bottom reaction raw materials pond and sedimentation tank, the check valve being flowed to reaction raw materials pond 313 by sedimentation tank 313 it is provided with in spilling water connecting pipe 314, step supports platform 312 splay end that dips down and is positioned at above sedimentation tank 313, reaction raw materials is provided with NaOH solution in pond, Ca (OH) it is provided with in sedimentation tank2Solution, other detailed description of the invention is identical with embodiment three, repeats no more.
Embodiment five, referring to Fig. 1, Fig. 6, Figure 10, Figure 22, Fig. 1 show ring-like Mobile brick tile kiln external structure schematic diagram, removable kiln body 1 is divided into baking zone kiln body section 104, preheating zone kiln body section 103, roast area kiln body section 102, cooling zone kiln body section 101, smoke stack emission district 105 is arranged on baking zone kiln body section 104 end, Fig. 6 show the present invention ring-like Mobile brick tile kiln flue-gas dust-removing and desulfurization apparatus structure schematic diagram, apparatus of the present invention are closed drainage hood 301 and is fixedly mounted on the kiln body top at place of fume emission district, close drainage hood 301 by the kiln body distal hood at place of fume emission district within it, the top closing drainage hood 301 end is provided with exhausting duct 315 upwards, a number of exhaust fan or axial flow blower it is equipped with in exhausting duct 315, exhausting duct 315 port is additionally provided with one layer of gas-liquid separation net 331 diagonally downward, the bottom closing drainage hood 301 end is additionally provided with dodge gate 328, between removable kiln body 1 top and closing drainage hood 301, it is additionally provided with step supports platform 312, reaction raw materials pond 310 is located at step and supports below platform 312, step supports platform and is provided with a gas ejector, gas ejector is by contraction section 322, trunnion section 323 and diffuser 324 form, contraction section 322 or be truncated cone body, or for cutting just how cold vertebral body, trunnion section 323 or be cylinder, or be positive multiple edge body, diffuser 324 or be tip-tilted fall cut vertebral body, or be the tip-tilted body of falling polygonal pyramid, contraction section 322 port and closing drainage hood 301, it is closed structure that step supports between platform 312, the contraction section 2 of gas ejector, 3 or trunnion section 323 is internal is additionally provided with at least one drain pipe 305, water pipe 305 is evenly equipped with multiple shower nozzle 306, the end of trunnion section 323 is additionally provided with a number of aqueduct 309, aqueduct 309 lower end connects with reaction raw materials pond 310, water pump 311 is arranged on side, reaction raw materials pond 310, water pump 311 one end is connected with reaction raw materials pond 310 by pipeline, the other end connects with the water pipe 305 in gas ejector with by pipeline, step supports and is provided with, between platform 312 and closing drainage hood 301, a number of front two rows crossbeam being distributed from top to down that case bay is suitable, front two rows crossbeam is fixed on kiln body two ends, and described front two rows crossbeam is staggered, drainage screen 303 is arranged between adjacent front-seat crossbeam 303-1 and heel row crossbeam 303-2, drainage screen 303 order number is between 20 100.
Embodiment six, referring to Fig. 7, the present embodiment and embodiment five are different in that: in the present embodiment, side, reaction raw materials pond 310 is provided with sedimentation tank 313, the spilling water connecting pipe 314 connected with reaction raw materials pond it is provided with in sedimentation tank 313, the check valve being flowed to reaction raw materials pond 313 by sedimentation tank 313 it is provided with in spilling water connecting pipe 314, step supports platform 312 splay end that dips down and is positioned at above sedimentation tank 313, is provided with NaOH solution, is provided with Ca (OH) in sedimentation tank in reaction raw materials pond2Solution, other detailed description of the invention is identical with embodiment five, repeats no more.
In the present embodiment, desulfurizing device specific works process is as follows: the flue gas at place of fume emission district filters the granule foreign material in flue gas through drainage screen, reaction raw materials pond provides NaOH reaction solution, NaOH reaction solution flows to each shower nozzle through water pump, the NaOH solution that flue gas after filter screen filtration sprays with each shower nozzle under the drainage closing drainage hood is reacted, and reaction equation is: 2NaOH+SO2��Na2SO3+H2O; Na2SO3+SO2+H2O��2NaHSO3; Reacted gas is discharged by the exhaust fan in closing drainage hood end exhausting duct or axial flow blower, and reacted mixing liquid drainage tube in trunnion section flows into sedimentation tank, flows into the Na in the mixed liquor of sedimentation tank2SO3Solution and NaHSO3Solution and the Ca (OH) in sedimentation tank2Solution reacts further, regenerates NaOH solution, and reaction equation is:
NaHSO3+Ca(OH)2��CaSO3��+NaOH+H2ONa2SO3+Ca(OH)2��CaSO3��+2NaOH; Reaction final settling tanks inner bottom part is CaSO3Precipitate, top is NaOH solution, when in sedimentation tank, solution is more, the spilling water connecting pipe that NaOH solution connects with reaction raw materials pond through sedimentation tank flows into reaction reaction feed reservoir, under the effect of water pump, suction shower nozzle carries out lower secondary response, goes round and begins again, and recycles.
Embodiment seven, referring to Fig. 8, Figure 23, the present embodiment and embodiment five are different in that: in this enforcement step support platform 312 and closing be provided with between drainage hood 301 case bay suitable a number of front two rows longeron, front two rows longeron one end is fixed on kiln body top, one end is connected with closing drainage hood 301, and described front two rows longeron is staggered, described drainage screen is arranged between adjacent front-seat longeron 303-3 and heel row longeron 303-4, drainage screen 303 order number is between 20 100, other detailed description of the invention is identical with embodiment five, repeat no more.
Embodiment eight, referring to Fig. 9, originally it is implemented on the basis of embodiment seven to have made some improvements, improvements are: side, reaction raw materials pond 310 is provided with sedimentation tank 313, being provided with the spilling water connecting pipe 314 connected with reaction raw materials pond in sedimentation tank 313, be provided with the check valve being flowed to reaction raw materials pond 313 by sedimentation tank 313 in spilling water connecting pipe 314, step supports platform 312 splay end that dips down and is positioned at above sedimentation tank 313, it is provided with NaOH solution in reaction raw materials pond, in sedimentation tank, is provided with Ca (OH)2Solution, other detailed description of the invention is identical with embodiment seven, repeats no more.
Embodiment nine, referring to Fig. 1, Figure 11, Figure 22, Fig. 1 show ring-like Mobile brick tile kiln external structure schematic diagram, Figure 10 show the present invention ring-like Mobile brick tile kiln flue-gas dust-removing and desulfurization apparatus structure schematic diagram, apparatus of the present invention are closed drainage hood 301 and is fixedly mounted on the kiln body top at place of fume emission district, close drainage hood 301 by the kiln body distal hood at place of fume emission district within it, the top closing drainage hood 301 end is provided with exhausting duct 315 upwards, a number of exhaust fan or axial flow blower it is equipped with in exhausting duct 315, exhausting duct 315 port is provided with one layer of gas-liquid separation net 331 diagonally downward, the bottom closing drainage hood 301 end is additionally provided with dodge gate 328, between removable kiln body 1 top and closing drainage hood 301, it is additionally provided with step supports platform 312, reaction raw materials pond 310 is located at step and supports below platform 312, step supports platform 312 and is provided with row's column 304, each column 304 is installed with a water pipe 305, water pipe 305 is provided with a number of shower nozzle 306, each shower nozzle 306 is connected to a sulphur removal pipeline 308, for sealing structure between sulphur removal pipeline 308, sulphur removal pipeline 308 front end is horizontal structure, end is the structure that is inclined upwardly, the junction of the horizontal component of sulphur removal pipeline 308 and the part that is inclined upwardly is additionally provided with aqueduct 309 straight down, aqueduct 309 lower end connects with reaction raw materials pond 310, water pump 311 is arranged on side, reaction raw materials pond 310, water pump 311 one end connects with reaction raw materials pond 310, the other end connects with the water pipe 305 being installed on column 304, step supports and is provided with, between platform 312 and closing drainage hood 301, a number of front two rows crossbeam being distributed from top to down that case bay is suitable, front two rows crossbeam is fixed on kiln body two ends, and described front two rows crossbeam is staggered, drainage screen 303 is arranged between adjacent front-seat crossbeam 303-1 and heel row crossbeam 303-2, drainage screen 303 order number is between 20 100.
Embodiment ten, referring to Figure 12, the present embodiment and embodiment nine are different in that: in the present embodiment, side, reaction raw materials pond 310 is provided with sedimentation tank 313, the spilling water connecting pipe 314 connected with reaction raw materials pond it is provided with in sedimentation tank 313, the check valve being flowed to reaction raw materials pond 313 by sedimentation tank 313 it is provided with in spilling water connecting pipe 314, step supports platform 312 splay end that dips down and is positioned at above sedimentation tank 313, is provided with NaOH solution, is provided with Ca (OH) in sedimentation tank in reaction raw materials pond2Solution. Specific works process is as follows: the flue gas at place of fume emission district filters the granule foreign material in flue gas through drainage screen, reaction raw materials pond provides NaOH reaction solution, NaOH reaction solution flows to each shower nozzle through water pump, the NaOH solution that flue gas after filter screen filtration sprays with each shower nozzle under the drainage closing drainage hood is reacted, and reaction equation is: 2NaOH+SO2��Na2SO3+H2O; Na2SO3+SO2+H2O��2NaHSO3; Reacted gas is by each sulphur removal pipeline, and then through discharging through exhaust fan or axial flow blower, reacted mixing liquid aqueduct in sulphur removal pipeline flows into sedimentation tank, flows into the Na in the mixed liquor of sedimentation tank2SO3Solution and NaHSO3Solution and the Ca (OH) in sedimentation tank2Solution reacts further, regenerates NaOH solution, and reaction equation is: NaHSO3+Ca(OH)2��CaSO3��+NaOH+H2ONa2SO3+Ca(OH)2��CaSO3��+2NaOH; Reaction final settling tanks inner bottom part is CaSO3Precipitate, top is NaOH solution, when in sedimentation tank, solution is more, the spilling water connecting pipe that NaOH solution connects with reaction raw materials pond through sedimentation tank flows into reaction reaction feed reservoir, under the effect of water pump, suction shower nozzle carries out lower secondary response, goes round and begins again, and recycles.
Embodiment 11, referring to Figure 13, Figure 23, the present embodiment and embodiment nine are different in that: in this enforcement step support platform 312 and closing be provided with between drainage hood 301 case bay suitable a number of front two rows longeron, front two rows longeron one end is fixed on kiln body top, one end is connected with closing drainage hood 301, and described front two rows longeron is staggered, described drainage screen is arranged between adjacent front-seat longeron 303-3 and heel row longeron 303-4, and drainage screen 303 order number is between 20 100.
Embodiment 12, referring to Figure 14, the present embodiment has made some improvements on the basis of embodiment 11, improvements are: side, reaction raw materials pond 310 is provided with sedimentation tank 313, the spilling water connecting pipe 314 connected with reaction raw materials pond it is provided with in sedimentation tank 313, the check valve being flowed to reaction raw materials pond 313 by sedimentation tank 313 it is provided with in spilling water connecting pipe 314, step supports platform 312 splay end that dips down and is positioned at above sedimentation tank 313, it is provided with NaOH solution in reaction raw materials pond, in sedimentation tank, is provided with Ca (OH)2Solution.
Embodiment 13, referring to Figure 15, Figure 16, Figure 22, the present embodiment and embodiment nine are different in that: in the present embodiment, reaction raw materials pond 310 is installed in the kiln body sidepiece at place of fume emission district, and water pump is arranged on step and supports the kiln body top below platform, water pump one end connects with reaction raw materials pond, the other end and the cross current being installed on pillar, other detailed description of the invention is identical with embodiment nine, repeats no more.
Embodiment 14, referring to Figure 17, Figure 18, the present embodiment and embodiment 13 are different in that: reaction raw materials pond 310 sidepiece is additionally provided with sedimentation tank 313, the spilling water connecting pipe connected with reaction raw materials pond 310 it is provided with in sedimentation tank 313, spilling water connecting pipe has certain distance from bottom reaction raw materials pond and sedimentation tank, it it is downward-sloping structure bottom sedimentation tank, that side of sedimentation tank away from spilling water connecting pipe is the splay end that dips down, sedimentation tank and spilling water connecting pipe junction are be provided with the check valve being flowed to reaction raw materials pond by sedimentation tank in spilling water connecting pipe, aqueduct 309 connects with sedimentation tank, it is NaOH solution in reaction raw materials pond 310, it is Ca (OH) in sedimentation tank2Solution, further respectively has other detailed description of the invention of raw material supply pool identical with embodiment 13, repeats no more at two ends, reaction raw materials pond 310.
Embodiment 15, referring to Figure 24, Figure 26, Figure 27, for a kind of ring-like Mobile brick tile kiln flue-gas dust-removing and desulfurization device, including reaction raw materials pond 310, close drainage hood 301, axial flow blower 307, shower nozzle 306, water pump 321, close drainage hood 301 and be fixedly mounted on the kiln body top at place of fume emission district, close drainage hood 301 profile to mate with kiln body top shape, close drainage hood 301 within it and to be extended a distance into along the direction of chimney end kiln crown by the kiln body distal hood at chimney place place, the top closing drainage hood 301 end is provided with exhausting duct 315 upwards, exhausting duct 315 port is provided with one layer of gas-liquid separation net 331 diagonally downward, the bottom closing drainage hood 301 end is additionally provided with dodge gate 328, between removable kiln body top and closing drainage hood 301, it is additionally provided with step supports platform 312, reaction raw materials pond 310 is located at step and supports below platform 312, support platform near chimney place is provided with an axial flow blower 307, step supports and is additionally provided with sulphur removal pipeline 330 on platform 312, axial flow blower 307 1 is terminated with the collection conduit 332 for collecting flue gas, the other end is connected with sulphur removal pipeline 330, sulphur removal pipeline 330 is horizontally disposed with, at least two row's water injectors it are provided with in sulphur removal pipeline 330, often row's water injector is made up of at least two water pipes 305, every water pipe 305 is provided with the shower nozzle 306 of two row's injections in a certain angle, the a number of baffle plate 329 for blocking sulphur removal pipeline left part and right part it is additionally provided with in sulphur removal pipeline 330, the baffle plate blocking left part and the baffle plate 329 blocking right part are interspersed, sulphur removal pipeline 330 end is connected with the exhausting duct 315 closing drainage hood 301, aqueduct 309 straight down it is additionally provided with in sulphur removal pipeline 330, aqueduct 309 lower end connects with reaction raw materials pond 310, water pump 321 is arranged on side, reaction raw materials pond 310, water pump 321 one end connects with reaction raw materials pond 310, the other end and the cross current in sulphur removal pipeline 330.
Embodiment 16, referring to Figure 25, the present embodiment and embodiment 16 are different in that: side, reaction raw materials pond 310 is provided with sedimentation tank 313, the spilling water connecting pipe 314 connected with reaction raw materials pond it is provided with in sedimentation tank 313, the check valve being flowed to reaction raw materials pond 313 by sedimentation tank 313 it is provided with in spilling water connecting pipe 314, step supports platform 312 splay end that dips down and is positioned at above sedimentation tank 313, is provided with NaOH solution, is provided with Ca (OH) in sedimentation tank in reaction raw materials pond2Solution.
Finally should be noted that: above example is only in order to illustrate that technical scheme is not intended to limit; Although the present invention being described in detail with reference to preferred embodiment, those of ordinary skill in the field are it is understood that still can modify to the specific embodiment of the present invention or portion of techniques feature carries out equivalent replacement; Without deviating from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention is claimed.
Claims (10)
1. a ring-like Mobile brick tile kiln flue-gas dust-removing and desulfurization device, including reaction raw materials pond, close drainage hood, exhaust fan or axial flow blower, shower nozzle, water pump, drainage screen, it is characterized in that: described closing drainage hood is fixedly mounted on the kiln body top at place of fume emission district, close drainage hood profile to mate with the kiln body top shape at place of fume emission district, close drainage hood within it and to be extended a distance into along the direction of chimney end kiln crown by the kiln body distal hood at chimney place place, the top closing drainage hood end is provided with exhausting duct upwards, at least one exhaust fan or axial flow blower it is provided with in exhausting duct, exhausting duct port is provided with one layer of gas-liquid separation net diagonally downward, the bottom closing drainage hood end is additionally provided with dodge gate, it is additionally provided with step at the kiln body top closed in drainage hood and supports platform, reaction raw materials pond is located on the kiln crown that step supports below platform, it is downward-sloping structure that step supports platform, step supports the platform splay end that dips down and is positioned at above reaction raw materials pond, step supports and is additionally provided with at least one row's column on platform, each column is installed with water pipe, water pipe is provided with multiple shower nozzle, water pump is arranged on side, reaction raw materials pond, water pump one end is connected with reaction raw materials pond by pipeline, the other end passes through pipeline and the cross current being installed on each pillar, step supports and is additionally provided with at least one of which drainage screen on platform, drainage screen base is fixing with step support platform to be connected, other three limits are fixing with closing drainage hood inner surface to be connected.
2. a ring-like Mobile brick tile kiln flue-gas dust-removing and desulfurization device, including reaction raw materials pond, close drainage hood, exhaust fan or axial flow blower, shower nozzle, water pump, drainage screen, it is characterized in that: described closing drainage hood is fixedly mounted on the kiln body top at place of fume emission district, close drainage hood profile to mate with kiln body top shape, close drainage hood within it and to be extended a distance into along the direction of chimney end kiln crown by the kiln body distal hood at chimney place place, the top closing drainage hood end is provided with exhausting duct upwards, at least one exhaust fan or axial flow blower it is provided with in exhausting duct, exhausting duct port is provided with one layer of gas-liquid separation net diagonally downward, the bottom closing drainage hood end is additionally provided with dodge gate, between removable kiln body top and closing drainage hood, it is additionally provided with step supports platform, reaction raw materials pond is located at step and supports below platform, step supports platform and is provided with a gas ejector, gas ejector is by contraction section, trunnion section and diffuser composition, contraction section or be truncated cone body, or for cutting just many pyramid body, trunnion section or be cylinder, or be positive multiple edge body, diffuser or be tip-tilted fall cut vertebral body, or be the tip-tilted body of falling polygonal pyramid, contraction section port and closing drainage hood, it is closed structure that step supports between platform, contraction section or the trunnion intrasegmental part of gas ejector are additionally provided with at least one drain pipe, water pipe is evenly equipped with multiple shower nozzle, the end of trunnion section is additionally provided with a number of aqueduct, aqueduct lower end connects with reaction raw materials pond, water pump is arranged on side, reaction raw materials pond, water pump one end is connected with reaction raw materials pond by pipeline, the other end with by the cross current in pipeline and gas ejector, step supports and is additionally provided with at least one of which drainage screen on platform, drainage screen base is fixing with step support platform to be connected, other three limits are fixing with closing drainage hood inner surface to be connected.
3. a ring-like Mobile brick tile kiln flue-gas dust-removing and desulfurization device, including reaction raw materials pond, close drainage hood, exhaust fan or axial flow blower, shower nozzle, water pump, drainage screen, it is characterized in that: described closing drainage hood is fixedly mounted on the kiln body top at place of fume emission district, close drainage hood profile to mate with kiln body top shape, close drainage hood within it and to be extended a distance into along the direction of chimney end kiln crown by the kiln body distal hood at chimney place place, the top closing drainage hood end is provided with exhausting duct upwards, at least one exhaust fan or axial flow blower it is provided with in exhausting duct, exhausting duct port is provided with one layer of gas-liquid separation net diagonally downward, the bottom closing drainage hood end is additionally provided with dodge gate, between removable kiln body top and closing drainage hood, it is additionally provided with step supports platform, reaction raw materials pond is located at step and supports below platform, step supports platform and is provided with row's column, each column is installed with a water pipe, water pipe is provided with a number of shower nozzle, each shower nozzle is connected to a sulphur removal pipeline, for sealing structure between sulphur removal pipeline, sulphur removal pipeline front end is horizontal structure, end is the structure that is inclined upwardly, the junction of the horizontal component of sulphur removal pipeline and the part that is inclined upwardly is additionally provided with aqueduct straight down, aqueduct lower end connects with reaction raw materials pond, water pump is arranged on side, reaction raw materials pond, water pump one end connects with reaction raw materials pond, the other end and the cross current being installed on pillar, step supports and is additionally provided with at least one of which drainage screen on platform, drainage screen base is fixing with step support platform to be connected, other three limits are fixing with closing drainage hood inner surface to be connected.
4. a ring-like Mobile brick tile kiln flue-gas dust-removing and desulfurization device, including reaction raw materials pond, close drainage hood, exhaust fan or axial flow blower, shower nozzle, water pump, drainage screen, it is characterized in that: described closing drainage hood is fixedly mounted on the kiln body top at place of fume emission district, reaction raw materials pond is installed in the kiln body sidepiece at place of fume emission district, close drainage hood profile to mate with kiln body top shape, close drainage hood within it and to be extended a distance into along the direction of chimney end kiln crown by the kiln body distal hood at chimney place place, the top closing drainage hood end is provided with exhausting duct upwards, exhausting duct port is provided with one layer of gas-liquid separation net diagonally downward, at least one exhaust fan or axial flow blower it is provided with in exhausting duct, the bottom closing drainage hood end is additionally provided with dodge gate, between removable kiln body top and closing drainage hood, it is additionally provided with step supports platform, step supports platform and is provided with row's column, each column is installed with a water pipe, water pipe is provided with a number of shower nozzle, each shower nozzle is connected to a sulphur removal pipeline, for sealing structure between sulphur removal pipeline, sulphur removal pipeline front end is horizontal structure, end is the structure that is inclined upwardly, the junction of the horizontal component of sulphur removal pipeline and the part that is inclined upwardly is additionally provided with aqueduct straight down, aqueduct lower end connects with reaction raw materials pond, water pump is arranged on step and supports the kiln body top below platform, water pump one end connects with reaction raw materials pond, the other end and the cross current being installed on pillar, step supports and is additionally provided with at least one of which drainage screen on platform, drainage screen base is fixing with step support platform to be connected, other three limits are fixing with closing drainage hood inner surface to be connected.
5. a ring-like Mobile brick tile kiln flue-gas dust-removing and desulfurization device, including reaction raw materials pond, close drainage hood, axial flow blower, shower nozzle, water pump, it is characterized in that: described closing drainage hood is fixedly mounted on the kiln body top at place of fume emission district, close drainage hood profile to mate with kiln body top shape, close drainage hood within it and to be extended a distance into along the direction of chimney end kiln crown by the kiln body distal hood at chimney place place, the top closing drainage hood end is provided with exhausting duct upwards, exhausting duct port is provided with one layer of gas-liquid separation net diagonally downward, the bottom closing drainage hood end is additionally provided with dodge gate, between removable kiln body top and closing drainage hood, it is additionally provided with step supports platform, reaction raw materials pond is located at step and supports below platform, support platform near chimney place is provided with an axial flow blower, step supports and is additionally provided with sulphur removal pipeline on platform, axial flow blower one is terminated with the collection conduit for collecting flue gas, the other end is connected with sulphur removal pipeline, sulphur removal pipe level is arranged, at least two row's water injectors it are provided with in sulphur removal pipeline, often row's water injector is made up of at least two water pipes, every water pipe is provided with the shower nozzle of two row's injections in a certain angle, the a number of baffle plate for blocking sulphur removal pipeline left part and right part it is additionally provided with in sulphur removal pipeline, the baffle plate blocking left part and right part is interspersed, sulphur removal pipe end is connected with the exhausting duct closing drainage hood, aqueduct straight down it is additionally provided with in sulphur removal pipeline, aqueduct lower end connects with reaction raw materials pond, water pump is arranged on side, reaction raw materials pond, water pump one end connects with reaction raw materials pond, the other end and the cross current in sulphur removal pipeline.
6. the ring-like Mobile brick tile kiln flue gas desulfurization device according to any one of Claims 1-4, it is characterized in that: step support platform and closing be provided with between drainage hood case bay suitable a number of front two rows crossbeam, front two rows crossbeam one end is fixing with step support platform upper surface to be connected, the other end is fixing with closing drainage hood top inner surface to be connected, and described front two rows crossbeam is staggered, drainage screen is arranged between adjacent front-seat crossbeam and heel row crossbeam, forming folded filter net, folded filter mesh number is between 20 100; Or step supports and only one arranges crossbeam between platform and closing drainage hood, drainage screen is installed on crossbeam, forms flat filter net, and flat filter mesh number is between 20 100; Or step support platform and closing be provided with between drainage hood case bay suitable a number of front two rows longeron, front two rows longeron one end is fixing with step support platform upper surface to be connected, the other end is fixing with closing drainage hood top inner surface to be connected, and described front two rows longeron is staggered, drainage screen is arranged between adjacent front-seat longeron and heel row longeron, forming folded filter net, folded filter mesh number is between 20 100; Or step supports and only one arranges vertical beam between platform and closing drainage hood, drainage screen is installed on vertical beam, forms flat filter net, and flat filter mesh number is between 20 100.
7. the ring-like Mobile brick tile kiln flue gas desulfurization device according to any one of claim 1 to 5, it is characterized in that: for incline structure bottom described reaction raw materials pond, the water pipe being connected with water pump in reaction raw materials pond is positioned at the end and from there being certain distance bottom reaction raw materials pond of being inclined upwardly of basin bottom, water pipe and be additionally provided with bracing frame between bottom reaction raw materials pond.
8. according to claim 1, 2, 3, ring-like Mobile brick tile kiln flue gas desulfurization device described in 5, it is characterized in that: side, reaction raw materials pond is provided with sedimentation tank, the spilling water connecting pipe connected with reaction raw materials pond it is provided with in sedimentation tank, spilling water connecting pipe has certain distance from bottom reaction raw materials pond and sedimentation tank, it it is downward-sloping structure bottom sedimentation tank, that side of sedimentation tank away from spilling water connecting pipe is the splay end that dips down, sedimentation tank and spilling water connecting pipe junction are be provided with the check valve being flowed to reaction raw materials pond by sedimentation tank in spilling water connecting pipe, described aqueduct connects with sedimentation tank, it it is NaOH solution in reaction raw materials pond, it is Ca (OH) in sedimentation tank2Solution.
9. ring-like Mobile brick tile kiln flue gas desulfurization device according to claim 4, it is characterized in that: reaction raw materials pond sidepiece is additionally provided with sedimentation tank, the spilling water connecting pipe connected with reaction raw materials pond it is provided with in sedimentation tank, spilling water connecting pipe has certain distance from bottom reaction raw materials pond and sedimentation tank, it it is downward-sloping structure bottom sedimentation tank, that side of sedimentation tank away from spilling water connecting pipe is the splay end that dips down, sedimentation tank and spilling water connecting pipe junction are be provided with the check valve being flowed to reaction raw materials pond by sedimentation tank in spilling water connecting pipe, described aqueduct connects with sedimentation tank, it it is NaOH solution in reaction raw materials pond, it is Ca (OH) in sedimentation tank2Solution, further respectively has a raw material supply pool at two ends, reaction raw materials pond.
10. a ring-like Mobile brick tile kiln process for dusting and dsulfurizing fume, it is characterised in that mainly comprise the steps:
(1) first the flue gas at place of fume emission district is under a drainage closing drainage hood, by least one of which drainage screen, the granule foreign material in elimination flue gas;
(2) flue gas after filter screen filtration is then under the drainage closing drainage hood, reacts with the NaOH solution of at least one row's shower nozzle ejection, and reaction equation is: 2NaOH+SO2��Na2SO3+H2O; Na2SO3+SO2+H2O��2NaHSO3;
(3) reacted gas enters air under the effect of exhaust fan or axial flow blower, and reacted mixing liquid flows into a regenerated reactor, has Ca (OH) in regenerated reactor2Solution, flows into the Na in the mixed liquor of regenerated reactor2SO3Solution and NaHSO3Solution and the Ca (OH) in regenerated reactor2Solution reacts further, regenerates NaOH solution, and reaction equation is:
NaHSO3+Ca(OH)2��CaSO3��+NaOH+H2O;
Na2SO3+Ca(OH)2��CaSO3��+2NaOH; The NaOH solution regenerated in regenerated reactor is pumped to shower nozzle through water pump, reacts next time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410699210.4A CN105617838B (en) | 2014-11-27 | 2014-11-27 | Ring-like Mobile brick tile kiln flue-gas dust-removing and desulfurization device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410699210.4A CN105617838B (en) | 2014-11-27 | 2014-11-27 | Ring-like Mobile brick tile kiln flue-gas dust-removing and desulfurization device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105617838A true CN105617838A (en) | 2016-06-01 |
| CN105617838B CN105617838B (en) | 2018-07-06 |
Family
ID=56033415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410699210.4A Expired - Fee Related CN105617838B (en) | 2014-11-27 | 2014-11-27 | Ring-like Mobile brick tile kiln flue-gas dust-removing and desulfurization device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105617838B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106861400A (en) * | 2017-03-07 | 2017-06-20 | 张西珍 | The double pressure desulfurizing towers of gas-water separation formula and annular mobile brick and tile kiln |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101518713A (en) * | 2009-04-02 | 2009-09-02 | 贺文锋 | Box type industrial waste gas processor |
| CN102466405A (en) * | 2010-11-02 | 2012-05-23 | 魏胜英 | Desulfurizing and dust-removing device for movable type tunnel furnace |
| US20130149203A1 (en) * | 2011-12-08 | 2013-06-13 | Kf E&E Co., Ltd. | Energy recycling type dust removing processing system for removing contaiminated material in high temperature contaminated gas and inertial impact type energy recovering and dust removing apparatus |
| KR101401992B1 (en) * | 2013-11-25 | 2014-05-30 | 최승욱 | Scrubber with multi-filtering system |
| CN204412044U (en) * | 2014-11-27 | 2015-06-24 | 张西珍 | Ring-like Mobile brick tile kiln flue-gas dust-removing and desulfurization device |
-
2014
- 2014-11-27 CN CN201410699210.4A patent/CN105617838B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101518713A (en) * | 2009-04-02 | 2009-09-02 | 贺文锋 | Box type industrial waste gas processor |
| CN102466405A (en) * | 2010-11-02 | 2012-05-23 | 魏胜英 | Desulfurizing and dust-removing device for movable type tunnel furnace |
| US20130149203A1 (en) * | 2011-12-08 | 2013-06-13 | Kf E&E Co., Ltd. | Energy recycling type dust removing processing system for removing contaiminated material in high temperature contaminated gas and inertial impact type energy recovering and dust removing apparatus |
| KR101401992B1 (en) * | 2013-11-25 | 2014-05-30 | 최승욱 | Scrubber with multi-filtering system |
| CN204412044U (en) * | 2014-11-27 | 2015-06-24 | 张西珍 | Ring-like Mobile brick tile kiln flue-gas dust-removing and desulfurization device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106861400A (en) * | 2017-03-07 | 2017-06-20 | 张西珍 | The double pressure desulfurizing towers of gas-water separation formula and annular mobile brick and tile kiln |
| CN106861400B (en) * | 2017-03-07 | 2022-09-13 | 张西珍 | Gas-water separation type double-pressure desulfurizing tower and annular movable brick kiln |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105617838B (en) | 2018-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108479368A (en) | A kind of micro- eddy flow deep desulfuration dedusting absorption tower device and technique | |
| CN206950873U (en) | A kind of environmentally friendly coking flue gas desulfurization and dedusting scrubbing tower | |
| CN104248904B (en) | DMF waste gas washing retracting device and the method for copper-clad plate manufacture | |
| CN105597475A (en) | United roller method desulfurization and dust removal purifying device system | |
| CN105169926A (en) | Flue gas desulphurization system and method for flue gas desulfurization by means of same | |
| CN204412044U (en) | Ring-like Mobile brick tile kiln flue-gas dust-removing and desulfurization device | |
| CN105148699B (en) | A kind of single column oxidation sweetening denitrification apparatus and its desulfurization denitration method | |
| CN210699313U (en) | All-round spiral desulfurizing tower is used in accelerator production | |
| CN103120894A (en) | Desulfurizing absorption tower | |
| CN104815509A (en) | Environmental-protective treatment system of waste gas from ceramic kiln and spray drying column | |
| CN208032269U (en) | A kind of absorption tower for sulfur removal technology | |
| CN105233659A (en) | Flue gas desulfurization tower and flue gas desulfurization method | |
| CN202315639U (en) | Flue gas purification device for lead blast furnace | |
| CN108744941A (en) | A kind of the spray column desulphurization system and method for high-order arrangement | |
| CN105617838A (en) | Annular movable tile kiln flue gas dedusting and desulfurizing apparatuses and methods thereof | |
| CN205269245U (en) | Desulfurizing tower exhaust pass defogging device with guide plate | |
| CN206549440U (en) | The double pressure desulfurizing towers of gas-water separation formula and annular mobile brick and tile kiln | |
| CN102580446A (en) | Wet efficient mote recycling and purifying method and device for ceramic industry | |
| CN205109390U (en) | Flue gas desulfurization system | |
| CN205109383U (en) | Flue gas desulfurization tower | |
| CN205435276U (en) | Flue dust purification device | |
| CN211435701U (en) | Desulfurizing tower | |
| CN108126464A (en) | Boiler desulphurization denitration dedusting minimum discharge system and its desulphurization denitration dust removal method | |
| CN106861400A (en) | The double pressure desulfurizing towers of gas-water separation formula and annular mobile brick and tile kiln | |
| CN204255073U (en) | Energy-conserving and environment-protective circular orbit portable kiln body brick and tile kiln |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210316 Address after: 102200 423, 4 / F, block a, Xinhua future city building, 175 Litang Road, Changping District, Beijing Patentee after: Li Qiannan Address before: 451162 Xuedian town Huazhuang village Xinzheng City Zhengzhou City Henan Province Patentee before: Zhang Xizhen |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210323 Address after: 330000 No.88, Qili street, Qili Township, Jinxian County, Nanchang City, Jiangxi Province Patentee after: Zhi Donglian Address before: 102200 423, 4 / F, block a, Xinhua future city building, 175 Litang Road, Changping District, Beijing Patentee before: Li Qiannan |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221219 Address after: No. 288, Junhu Road, Minhe Town, Jinxian County, Nanchang City, Jiangxi Province, 330000 Patentee after: Jiangxi Sound Environmental Engineering Co.,Ltd. Address before: 330000 No.88, Qili street, Qili Township, Jinxian County, Nanchang City, Jiangxi Province Patentee before: Zhi Donglian |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 |