CN209333377U - A kind of bitumen flue gas processing unit - Google Patents
A kind of bitumen flue gas processing unit Download PDFInfo
- Publication number
- CN209333377U CN209333377U CN201821955696.3U CN201821955696U CN209333377U CN 209333377 U CN209333377 U CN 209333377U CN 201821955696 U CN201821955696 U CN 201821955696U CN 209333377 U CN209333377 U CN 209333377U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- pipe
- tank body
- water cooling
- cooling sleeve
- 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.)
- Active
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 239000003546 flue gas Substances 0.000 title claims abstract description 55
- 239000010426 asphalt Substances 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 239000000779 smoke Substances 0.000 claims abstract description 19
- 238000001179 sorption measurement Methods 0.000 claims abstract description 18
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 14
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 4
- 239000005341 toughened glass Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims 1
- 238000000746 purification Methods 0.000 abstract description 2
- 239000011269 tar Substances 0.000 description 22
- 230000000694 effects Effects 0.000 description 14
- 239000007789 gas Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- 235000019738 Limestone Nutrition 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 239000006028 limestone Substances 0.000 description 4
- 230000000505 pernicious effect Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- -1 gaseous state Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000006052 feed supplement Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model belongs to a kind of bitumen flue gas processing unit of asphalt smoke purifying device technical field, including bag filter, condensing cover and adsorption tanks, condensing cover includes the water cooling sleeve of square cone and the fumer for being connected to water cooling sleeve outlet, the smoke inlet of water cooling sleeve tilts down setting, equal cigarette plate is equipped in smoke inlet, it is connected with tar below smoke inlet and connects disk, exhaust pipe is connected at the top of fumer, the adsorption tanks include tank body and the cone that is connected to below tank body, the bottom end of cone is connected with agstone injection pipe, the two sides of tank body are respectively equipped with air inlet and material-feeding port, the top of tank body is connected by escape pipe with bag filter, the top of bag filter is equipped with exhaust fan, bottom end is equipped with drainage conduit, screw conveyor is connected in drainage conduit, screw conveyor outlet end is connected with the material-feeding port of tank body.Utility model device structure is simple, and water consumption is small, reliable for operation, and to the good purification of bitumen flue gas, operating cost is low.
Description
Technical field
The utility model belongs to asphalt smoke purifying device technical field more particularly to a kind of bitumen flue gas processing unit.
Background technique
In process of production, kneading system, asphalt melting system, formation system, give up carbon product paste exhaust system etc.
Technique can generate a large amount of bitumen flue gas, and the main ingredient in bitumen flue gas is liquid, gaseous state, solid tar particle, CO2 、
H2O、S2O, 3, other polycyclic aromatic hydrocarbon hydrocarbons such as 4-BaPs, wherein tarvia, bitumen particle are volatility condensations
Object, very subtle, grain hydrocarbon is 0.1 --- and between 10 μm, the flue dust for generation of burning is also very thin, average out to 0.1 --- and 0.57 μm,
The a large amount of bitumen flue gas in workshop not only pollutes environment but also causes high risks to the body of employee.
Part carbon element factory asphalt smoke purifying system uses conventional wet purification method, and structure is complicated for this square law device,
Water consumption is big, and energy consumption is high, and asphalt smoke gas purifying effect is poor, and pipeline easily blocks, and equipment operation is unreliable.Therefore it is directed to glance coal
The problem of gas site environment pollutes, the new technology that exploitation can effectively collect processing bitumen flue gas as early as possible become carbon element factory when business
It is anxious.
Utility model content
In order to solve the problems, such as to mention in background technique, the utility model provides a kind of bitumen flue gas processing unit, packet
Bag filter, condensing cover and adsorption tanks are included, condensing cover includes the water cooling sleeve of square cone and is connected to water cooling sleeve outlet
Fumer, the smoke inlet of water cooling sleeve tilt down setting, and dismountable cigarette plate is equipped in smoke inlet, is connected below smoke inlet
It is connected to tar and connects disk, be connected with exhaust pipe at the top of fumer, the adsorption tanks include tank body and the cone that is connected to below tank body
Body, the bottom end of cone are connected with agstone injection pipe, and the both sides of tank body are respectively equipped with air inlet and material-feeding port, the top of tank body
Portion is connected by escape pipe with bag filter, and the top of bag filter is equipped with exhaust fan, and bottom end is equipped with the first drainage conduit
With the second drainage conduit, screw conveyor is connected in the first drainage conduit, screw conveyor outlet end is connected with the material-feeding port of tank body
It connects, the second drainage conduit is equipped with discharge valve.
Above-mentioned bitumen flue gas processing unit, in use, agstone injection pipe and external lime stone handling system or
Tank car connection provides draft by the exhaust fan at the top of bag filter, collects bitumen flue gas to condensing cover, will by equal cigarette plate
On bitumen flue gas water conservancy diversion to four inner walls of water cooling sleeve, improves the condensation efficiency of gaseous state tar in flue gas and reduce flue gas body
Product reduces exhaust fan energy consumption, and since smoke inlet tilts down setting, condensed tar is under the effect of gravity by water conservancy diversion into tar
It connects in disk, agstone injection pipe is accessed in adsorption tanks lower end, is sufficiently mixed agstone with flue gas, further adsorbs in flue gas
Tar and other harmful substances, and the fine solid particles in flue gas are adhered to, it is effectively removed in flue gas convenient for bag filter
Solia particle, to improve the clean-up effect of bitumen flue gas.The part lime stone that screw conveyor collects bag filter
Powder rejoins in the material-feeding port of adsorption tanks, saves agstone dosage, advantageously reduces operating cost.
Preferably, the lower end of water cooling sleeve is equipped with water inlet pipe, and upper end is equipped with outlet pipe, is additionally provided with annular at the top of fumer
Water tank, outlet pipe are equipped with branch pipe, and branch pipe is connected with annular water tank, and the lower part of annular water tank is evenly equipped with multiple spray tubes, spray
The lower end of shower pipe is set in fumer, and spray is concentrated, and is mixed with flue gas sufficiently, water consumption is few, to flue gas condensing, washing effect
It is good, be conducive to improve gas cleaning effect.
Preferably, the equal cigarette plate is the smooth rectangle High temperature tempered glass plate in surface, and both ends are fixed with connecting rod,
Connecting rod is connected with the deck for being set to both ends on the inside of water cooling sleeve, convenient for the cleaning and maintenance to equal cigarette plate.
Preferably, the outlet end of the agstone injection pipe is equipped with compressed air spraying pipe, for improving agstone
Effect is mixed with flue gas, the adsorption efficiency to tar in flue gas and harmful components is enhanced, improves clean-up effect.
Preferably, the lower section that tar connects disk is equipped with drain pipe, and drain pipe is connected with plant effluent treatment facility, convenient for useless
The centralized processing of liquid.
The working principle of the utility model is first to be condensed by the condensing cover with equal cigarette plate to bitumen flue gas and sprayed again, disappeared
Except a large amount of gaseous state tar and operative liquid, solid-state tar and a small amount of pernicious gas in flue gas, then pass through the stone in adsorption tanks
Limestone flour further adsorbs tar, pernicious gas in flue gas, and agglomerates the small solid granulates in flue gas, improves cloth bag
The agstone that bag filter is collected is rejoined the feed supplement of adsorption tanks by screw conveyor by the arresting efficiency of deduster
In mouthful, agstone dosage is saved, operating cost is advantageously reduced.
The utility model further includes the other components that can make bitumen flue gas processing unit normal use, is this field
Conventional technical means.In addition, the device limited or component is not added to be all made of the routine techniques hand in this field in the utility model
Section.
The utility model has the beneficial effects that the apparatus structure is simple, water consumption is small, reliable for operation, to the net of bitumen flue gas
Change effect is good, and operating cost is low.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the overall structure diagram of the utility model bitumen flue gas processing unit.
Fig. 2 is the condensing cover structural schematic diagram of the utility model bitumen flue gas processing unit.
In figure: 1. condensing covers, 1-1. water cooling sleeve, 1-2. outlet pipe, 1-3. annular water tank, 1-4. spray tube, 1-5. row
Gas tank, 1-6. water inlet pipe, 1-7. drain pipe, 1-8. tar connect disk, and the equal cigarette disk of 1-9., 2. adsorption tanks, 3. bag filters, 4. take out
Blower, 5. screw conveyors, 6. second drainage conduits, 7. agstone injection pipes, 8. compressed air spraying pipes.
Specific embodiment
Below with reference in the utility model embodiment attached drawing and specific embodiment to the utility model carry out clearly
Description, description here is used merely to explain the utility model, but is not intended to limit the scope of the present invention.Based on this reality
With the embodiment in novel, those skilled in the art's every other implementation obtained without making creative work
Example, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of this utility model.
Embodiment
As shown in Figs. 1-2, the utility model provides a kind of bitumen flue gas processing unit, including bag filter 3, condensation
Cover 1 and adsorption tanks 2, condensing cover 1 include the water cooling sleeve 1-1 of the square cone and fumer 1- for being connected to the outlet water cooling sleeve 1-1
5, the smoke inlet of water cooling sleeve 1-1 tilts down setting, and the lower section of dismountable cigarette plate 1-9, smoke inlet is equipped in smoke inlet
It is connected with tar and meets disk 1-8, exhaust pipe is connected at the top of fumer 1-5, the adsorption tanks 2 include tank body and are connected to tank body
The cone of lower section, the bottom end of cone are connected with agstone injection pipe 7, and the both sides of tank body are respectively equipped with air inlet and feed supplement
Mouthful, the top of tank body is connected by escape pipe with bag filter 3, and the top of bag filter 3 is equipped with exhaust fan 4, bottom end
Equipped with the first drainage conduit and the second drainage conduit 6, be connected with screw conveyor 5 in the first drainage conduit, 5 outlet end of screw conveyor with
The material-feeding port of tank body is connected, and the second drainage conduit 6 is equipped with discharge valve.
Above-mentioned bitumen flue gas processing unit, in use, agstone injection pipe 7 and external lime stone handling system or
Tank car connection provides draft by the exhaust fan 4 at 3 top of bag filter, collects bitumen flue gas to condensing cover 1, pass through equal cigarette
Plate 1-9 on four inner walls of bitumen flue gas water conservancy diversion to water cooling sleeve 1-1, will improve the condensation efficiency of gaseous state tar in flue gas and subtract
Small flue gas volume reduces the energy consumption of exhaust fan 4, and since smoke inlet tilts down setting, condensed tar is under the effect of gravity
It being connect in disk 1-8 by water conservancy diversion into tar, agstone injection pipe 7 is accessed in adsorption tanks lower end, and it is sufficiently mixed agstone with flue gas,
Tar and other harmful substances in flue gas are further adsorbed, and adhere to the fine solid particles in flue gas, are convenient for bag filter 3
Solia particle effectively in removing flue gas, to improve the clean-up effect of bitumen flue gas.Screw conveyor 5 is by bag filter
The 3 part agstones collected rejoin in the material-feeding port of adsorption tanks 2, save agstone dosage, advantageously reduce operation
Cost.
The lower end of the water cooling sleeve 1-1 is equipped with water inlet pipe 1-6, and upper end is equipped with outlet pipe 1-2, the top of fumer 1-5
It is additionally provided with annular water tank 1-3, outlet pipe 1-2 is equipped with branch pipe, and branch pipe is connected with annular water tank 1-3, under annular water tank 1-3
Portion is evenly equipped with multiple spray tube 1-4, and the lower end of spray tube 1-4 is set in fumer 1-5, and spray is concentrated, and mixes with flue gas sufficiently,
Water consumption is few, good to flue gas condensing, washing effect, is conducive to improve gas cleaning effect.
The equal cigarette plate 1-9 is the smooth rectangle High temperature tempered glass plate in surface, and both ends are fixed with connecting rod, is connected
Bar is connected with the deck for being set to both ends on the inside of water cooling sleeve 1-1, convenient for the cleaning and maintenance to equal cigarette plate 1-9.
The outlet end of the agstone injection pipe 7 is equipped with compressed air spraying pipe 8, for improving agstone and flue gas
Mixed effect, enhance to the adsorption efficiency of tar in flue gas and harmful components, improve clean-up effect.
The lower section that the tar meets disk 1-8 is equipped with drain pipe 1-7, and drain pipe 1-7 is connected with plant effluent treatment facility,
Convenient for the centralized processing of waste liquid.
The working principle of the utility model is first to be condensed by the condensing cover 1 with equal cigarette plate 1-9 to bitumen flue gas and sprayed again
Leaching, remove smoke in a large amount of gaseous state tar and operative liquid, solid-state tar and a small amount of pernicious gas, then pass through adsorption tanks 2
In agstone further tar, pernicious gas in flue gas are adsorbed, and agglomerate the small solid granulates in flue gas, mention
The agstone that bag filter 3 is collected is rejoined suction by screw conveyor 5 by the arresting efficiency of high bag filter 3
In the material-feeding port of attached tank 2, agstone dosage is saved, operating cost is advantageously reduced.
The embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is also not necessarily limited to disclosed embodiment.Without departing from the scope and spirit of illustrated embodiment, this technology is led
Many modifications and changes are obvious for the those of ordinary skill in domain.
Claims (5)
1. a kind of bitumen flue gas processing unit, including bag filter, it is characterised in that: it further include condensing cover and adsorption tanks, it is cold
Solidifying cover includes the water cooling sleeve of square cone and the fumer for being connected to water cooling sleeve outlet, and the smoke inlet of water cooling sleeve tilts down
Setting is equipped with dismountable cigarette plate in smoke inlet, is connected with tar below smoke inlet and connects disk, is connected at the top of fumer
Exhaust pipe, the adsorption tanks include tank body and the cone that is connected to below tank body, and the bottom end of cone is connected with agstone injection
Pipe, the two sides of tank body are respectively equipped with air inlet and material-feeding port, and the top of tank body is connected by escape pipe with bag filter, cloth
The top of bag dust collector is equipped with exhaust fan, and bottom end is equipped with the first drainage conduit and the second drainage conduit, is connected with spiral shell in the first drainage conduit
Conveyer is revolved, screw conveyor outlet end is connected with the material-feeding port of tank body, and the second drainage conduit is equipped with discharge valve.
2. a kind of bitumen flue gas processing unit according to claim 1, it is characterised in that: the lower end of water cooling sleeve be equipped with into
Water pipe, upper end are equipped with outlet pipe, and annular water tank is additionally provided at the top of fumer, and outlet pipe is equipped with branch pipe, branch pipe and annular water
Case is connected, and the lower part of annular water tank is evenly equipped with multiple spray tubes, and the lower end of spray tube is set in fumer.
3. a kind of bitumen flue gas processing unit according to claim 1, it is characterised in that: the equal cigarette plate is that surface is smooth
Rectangle High temperature tempered glass plate, both ends are fixed with connecting rod, connecting rod and the deck for being set to both ends on the inside of water cooling sleeve
It is connected.
4. a kind of bitumen flue gas processing unit according to claim 1, it is characterised in that: the agstone injection pipe
Outlet end is equipped with compressed air spraying pipe.
5. a kind of bitumen flue gas processing unit according to claim 1, it is characterised in that: the lower section that tar connects disk is equipped with row
Liquid pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821955696.3U CN209333377U (en) | 2018-11-26 | 2018-11-26 | A kind of bitumen flue gas processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821955696.3U CN209333377U (en) | 2018-11-26 | 2018-11-26 | A kind of bitumen flue gas processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209333377U true CN209333377U (en) | 2019-09-03 |
Family
ID=67749135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821955696.3U Active CN209333377U (en) | 2018-11-26 | 2018-11-26 | A kind of bitumen flue gas processing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209333377U (en) |
-
2018
- 2018-11-26 CN CN201821955696.3U patent/CN209333377U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204672085U (en) | A kind of gas sampling purifier of density board processing factory | |
| CN108105790A (en) | Oily sludge glows processing unit | |
| CN207413069U (en) | A kind of spray atomizing dust-extraction unit suitable for graphitizing furnace exhaust gas | |
| CN204933175U (en) | A kind of dust pelletizing system of feed-processing plant | |
| CN206404498U (en) | A kind of deduster produced for modified polyurethane mortar Self-leveling | |
| CN211189571U (en) | Environment-friendly dust removal equipment for industrial boiler | |
| CN201375870Y (en) | Environment-friendly flue gas purification dust collector | |
| CN205948588U (en) | Sheet material processing dust pelletizing system | |
| CN207654875U (en) | Dust-extraction unit and cleaner | |
| CN201015722Y (en) | Hybrid type highly effective dust remover | |
| CN209333377U (en) | A kind of bitumen flue gas processing unit | |
| CN206027343U (en) | Chimney and air cleaning filter | |
| CN204656246U (en) | Integration Turbulent Flow Type wet-scrubbing equipment | |
| CN207886819U (en) | A kind of efficient cyclone dust-extraction unit | |
| CN209138284U (en) | Efficient absorption case apparatus | |
| CN110898595A (en) | Power plant exhaust treatment device | |
| CN203737099U (en) | Corrugated packing type staged water-film smoke suppression and desulphurization dust precipitator | |
| CN205760503U (en) | A kind of coal desulfurization device | |
| CN207324459U (en) | A kind of pitch dust pelletizing system | |
| CN206381749U (en) | A kind of multi-point dust separation system of coke production line | |
| CN202823055U (en) | Water film dust remover | |
| CN208161272U (en) | A kind of modified coal-fired steam boiler smoke-eliminating, desulfurating and dust-removing device | |
| CN207654881U (en) | A kind of molecular sieve dust-extraction unit | |
| CN207042163U (en) | A kind of coverter pig coal gas dust-removing dehydrating purifying device | |
| CN202146894U (en) | Workshop unorganized waste smoke collection and purification processing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Treatment device for pitch smoke Effective date of registration: 20191012 Granted publication date: 20190903 Pledgee: Henan Qinyang Rural Commercial Bank Co.,Ltd. Xixiang sub branch Pledgor: QINYANG CARBON Co.,Ltd. Registration number: Y2019980000254 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200827 Granted publication date: 20190903 Pledgee: Henan Qinyang Rural Commercial Bank Co.,Ltd. Xixiang sub branch Pledgor: QINYANG CARBON Co.,Ltd. Registration number: Y2019980000254 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An asphalt flue gas treatment device Effective date of registration: 20201106 Granted publication date: 20190903 Pledgee: Henan Qinyang Rural Commercial Bank Co.,Ltd. Xixiang sub branch Pledgor: QINYANG CARBON Co.,Ltd. Registration number: Y2020980007550 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211012 Granted publication date: 20190903 Pledgee: Henan Qinyang Rural Commercial Bank Co.,Ltd. Xixiang sub branch Pledgor: QINYANG CARBON Co.,Ltd. Registration number: Y2020980007550 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An asphalt flue gas treatment device Effective date of registration: 20211012 Granted publication date: 20190903 Pledgee: Henan Qinyang Rural Commercial Bank Co.,Ltd. Xixiang sub branch Pledgor: QINYANG CARBON Co.,Ltd. Registration number: Y2021990000951 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221008 Granted publication date: 20190903 Pledgee: Henan Qinyang Rural Commercial Bank Co.,Ltd. Xixiang sub branch Pledgor: QINYANG CARBON Co.,Ltd. Registration number: Y2021990000951 |