CN206109331U - Raw gas dust collection device - Google Patents
Raw gas dust collection device Download PDFInfo
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- CN206109331U CN206109331U CN201621046244.4U CN201621046244U CN206109331U CN 206109331 U CN206109331 U CN 206109331U CN 201621046244 U CN201621046244 U CN 201621046244U CN 206109331 U CN206109331 U CN 206109331U
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- liquid
- coke oven
- dust arrester
- raw coke
- gas
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Abstract
The utility model discloses a raw gas dust collection device. The device includes spray scrubber, gas -liquid separation and solid -liquid separation equipment, and last waste gas inlet, a gas exports and the first liquid phase of being provided with of spray scrubber exports, and spray scrubber's inside is provided with the atomizer, and the atomizer is used for spouting into the aqueous ammonia or tar, gas -liquid separation is last to be provided with the import of first gaseous phase, and a first gaseous phase import and a gas exports link to each other, solid -liquid separation equipment is last to be provided with the import of first liquid phase, and first liquid phase import links to each other with the export of first liquid phase. Dust removal effect was higher when this dust collector was used for the dust removal of raw coke oven gas to handle. Simultaneously, utilize spray scrubber to carry out spray dedusting, still have the function of cooling. This just makes holistic dust removal process be in lower state of temperature, has avoided the tar secondary pyrolysis when high temperature for a long time, has guaranteed the tar quality, and has not had the problem that easy jam equipment was appeared to tar.
Description
Technical field
The utility model is related to raw coke oven gas dedusting technology field, in particular to a kind of raw coke oven gas dust arrester.
Background technology
Foam pyrolysis of coal product mainly includes tar, coal gas and semicoke, and two kinds that foam coal is directly produced in pyrolysis oven are produced
Thing is semicoke and thick raw coke oven gas (450～550 DEG C).Wherein thick raw coke oven gas is by tar steam, coal gas, vapor and semicoke dust group
Into.To obtain low grey high-quality tar, now in industry generally raw coke oven gas is processed using hot precipitator, by tar therein
Ash removes (≤50mg/Nm3), its ash content unit is less than national normal value after tar condensing is collected.
Utility model patent 201410202671 discloses a kind of dust collecting process of the high-temperature gas of the high dust of high tar, says
State the dust collecting process with raw coke oven gas similar gases.Mainly separation solid dust is carried out using membrane filter.Utility model is special
Profit 201410213120 discloses a kind of purification dust removal system and its process of dust-laden coalification gas, and it adopts filter, removes
More than 98%, cost reduces by 15% to dirt stabilised efficiency.Utility model patent 201410728674.3 discloses a kind of film dust-remover
And using the pyrolytic process of coal of the film dust arrester, patent film dust arrester, may filter that most semi-coke powders in dust-laden coal gas
Dirt (>=0.1um), efficiency of dust collection is up to more than 99.9%.Hot precipitator dust collecting process is used in above patent.
However, although the dust removing effects of hot precipitator are very good, efficiency of dust collection is typically stable in more than 98%, after
The continuous tar quality collected is also higher, but there is problems using the technique：(1) tar be in time of the condition of high temperature compared with
It is long, second pyrolysis is easily produced, so as to the quality of tar can be affected；(2) requirement of the hot precipitator to temperature is stricter, and one
There is fluctuation or is reduced to less than 370 DEG C in denier temperature, will have tar to separate out in deduster, easily causes deduster blocking；(3) it is high
Warm medium is raw coke oven gas, oxygen content is required strictly, particularly severe to equipment requirement, there is potential safety hazard.
For these reasons, it is necessary to which a kind of raw coke oven gas dust arrester for suitably using at normal temperatures is provided.
Utility model content
The utility model aims to provide a kind of raw coke oven gas dust arrester, to solve prior art in raw coke oven gas high-temperature dust removal when
The easy second pyrolysis of tar of presence, equipment easily block and there is a problem of potential safety hazard.
To achieve these goals, according to one side of the present utility model, there is provided raw coke oven gas dust arrester, its bag
Include：Spray scrubber, is provided with raw coke oven gas import, the first gaseous phase outlet and the first liquid-phase outlet on spray scrubber, spray is washed
The sprayer that is internally provided with of tower is washed, sprayer is to spray into ammoniacal liquor or tar；Gas-liquid separation device, sets on gas-liquid separation device
The first gas phase import is equipped with, the first gas phase import is connected with the first gaseous phase outlet；And equipment for separating liquid from solid, equipment for separating liquid from solid
On be provided with the first fluid inlet, the first fluid inlet is connected with the first liquid-phase outlet.
Further, spray scrubber is packed tower or foaming tower.
Further, gas-liquid separation device is centrifugal gas-liquid separator, centrifugation deflector type gas-liquid separator or filtering type
Gas-liquid separator.
Further, equipment for separating liquid from solid is membrane filter, and the interior parallel of equipment for separating liquid from solid is provided with many mistakes
Chimney filter.
Further, the outer layer of screen pipe is provided with heat-insulation layer.
Further, second liquid phase outlet is additionally provided with gas-liquid separation device, second liquid phase outlet is entered with the first liquid phase
Mouth is connected.
Further, backwash liquid import is additionally provided with equipment for separating liquid from solid, dust arrester also includes counter-flushing liquid
Body feeding mechanism, backwash liquid feeding mechanism is connected with backwash liquid import.
Further, when sprayer is to spray into ammoniacal liquor, the 3rd liquid-phase outlet is additionally provided with equipment for separating liquid from solid, is removed
Dirt device also includes Liquid liquid Separation device, and the 3rd fluid inlet, the 3rd fluid inlet and the 3rd liquid phase are provided with Liquid liquid Separation device
Outlet is connected.
Further, solid slag outlet is additionally provided with equipment for separating liquid from solid, dust arrester also includes solid slag processing meanss, Gu
Solid slag import is provided with Slag treatment device, solid slag import is connected with solid slag outlet, during solid slag processing meanss are to reclaim solid slag
Tar.
Further, dust arrester also includes solid slag conveyer, and solid slag conveyer is arranged on solid slag import and exports with solid slag
Between.
Further, dust arrester also includes force (forcing) pump, and force (forcing) pump is arranged on the pipeline at the first fluid inlet place.
Further, dust arrester also includes blowback pump, and blowback pump is arranged on backwash liquid feeding mechanism with backwash
On pipeline between liquid-inlet.
Further, dust arrester also includes thick dust arrester, and raw coke oven gas outlet, raw coke oven gas are provided with thick dust arrester
Outlet is connected with raw coke oven gas import.
Further, thick dust arrester is cyclone dust collectors or whirlwind group deduster.
The utility model provides a kind of raw coke oven gas dust arrester, and the dust arrester is used to be removed during the dust removal process of raw coke oven gas
Dirt effect is higher.Meanwhile, spraying and dedusting is carried out using spray scrubber, also with the function of cooling.This allows for overall removing
Dirt technique is in relatively low state of temperature, it is to avoid tar is chronically at second pyrolysis during high temperature, it is ensured that tar quality, and
Not there is a problem of that tar separates out easy occluding device.In addition, the security of dedusting that relatively low temperature is also greatly enhanced.Except
Outside above advantage, the operating cost of the dust arrester in the utility model is relatively low.
Description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 shows the raw coke oven gas dust arrester in a kind of embodiment of the utility model.
Wherein, reference is as follows：
10th, spray scrubber；11st, sprayer；12nd, force (forcing) pump；20th, gas-liquid separation device；30th, equipment for separating liquid from solid；31、
Blowback pump；40th, solid slag conveyer.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Below with reference to the accompanying drawings and in conjunction with the embodiments describing the utility model in detail.
As background section is introduced, easy two secondary fissure of the tar existed during raw coke oven gas high-temperature dust removal in prior art
Solution, equipment easily block and there is a problem of potential safety hazard.In order to solve this problem, the utility model provides a kind of raw coke oven gas
Dust arrester, as shown in figure 1, the dust arrester includes：Spray scrubber 10, gas-liquid separation device 20 and equipment for separating liquid from solid
30；Be provided with raw coke oven gas import, the first gaseous phase outlet and the first liquid-phase outlet on spray scrubber 10, spray scrubber 10 it is interior
Portion is provided with sprayer 11, and sprayer 11 is to spray into ammoniacal liquor or tar；It is provided with the first gas phase on gas-liquid separation device 20 to enter
Mouthful, the first gas phase import is connected with the first gaseous phase outlet；The first fluid inlet, the first liquid phase are provided with equipment for separating liquid from solid 30
Import is connected with the first liquid-phase outlet.
The above-mentioned raw coke oven gas dust arrester that the utility model is provided, not from hot precipitator, but with spray washing
Used as dedusting main body, be aided with gas-liquid separation device 20 and equipment for separating liquid from solid 30 carries out the dedusting of raw coke oven gas to tower 10.In actual behaviour
During work, the higher raw coke oven gas of temperature is entered in spray scrubber 10, and the ammoniacal liquor or tar sprayed into sprayer 11 contacts.
Ammoniacal liquor or tar can efficiently catch semicoke dust and the tar in raw coke oven gas as spray medium so that half in raw coke oven gas
Coke powder dirt and tar flow out with spray medium from the first liquid-phase outlet, and the raw coke oven gas after dedusting is discharged from the first gaseous phase outlet.
Then, the spray medium for carrying semicoke dust and tar is entered after equipment for separating liquid from solid 30, tar and spray medium together with
The semicoke dust separation of solid-state, realizes the separation of tar and semi-coke powder.And the raw coke oven gas after dedusting then travels further into gas-liquid point
From device 20, a small amount of drop separation carried in gas is made, to be further purified.
It is higher that the dust arrester is used for dust removing effects during the dust removal process of raw coke oven gas.Meanwhile, entered using spray scrubber 10
Row spraying and dedusting, also with the function of cooling.This allows for overall dust collecting process in relatively low state of temperature, it is to avoid Jiao
Oil is chronically at second pyrolysis during high temperature, it is ensured that tar quality, and not there is a problem of that tar separates out easy occluding device.Separately
Outward, the security of the dedusting that relatively low temperature is also greatly enhanced.Besides the above advantages, the dust arrester in the utility model
Operating cost be relatively low.
In a kind of preferred embodiment, spray scrubber 10 is packed tower or foaming tower.Using packed tower or foaming tower,
The contact area of gas-liquid two-phase is improved, is conducive to spraying media capture tar and semi-coke powder.Specifically, sprayer 11 is located in tower
The top of scrubber layer, raw coke oven gas is moved from bottom to top, and being fully contacted with the spray medium of adverse current carries out mass exchange.Preferably,
3 layers or 4 layers of scrubber layer can be set.It is preferred that spray scrubber 10 is cylinder-like structure.
In a kind of preferred embodiment, gas-liquid separation device 20 is centrifugal gas-liquid separator, centrifugation deflector type gas-liquid
Separator or filtering type gas-liquid separator.This several gas-liquid separator is respectively provided with higher separative efficiency.It is former using centrifugation
Reason, the gas after separation overflows from top, and liquid flows out from bottom.It is preferred that gas-liquid separation device 20 is cylinder-like structure.
In a kind of preferred embodiment, equipment for separating liquid from solid 30 be membrane filter, the inside of equipment for separating liquid from solid 30
It is arranged with many screen pipes in parallel, screen pipe is ceramic membrane type screen pipe, metal film type screen pipe or woven wire sintering are filtered
Pipe.Equipment for separating liquid from solid 30 be membrane filter, inlet outlet pressure differential≤0.1MPa.Preferably, the outer layer of screen pipe is provided with guarantor
Warm layer.Arranging heat-insulation layer can make tar in the state of 70～80 DEG C, to ensure relatively low viscosity.It is preferred that separation of solid and liquid dress
30 are put for cylinder-like structure.
In a kind of preferred embodiment, second liquid phase outlet is additionally provided with gas-liquid separation device 20, second liquid phase goes out
Mouth is connected with the first fluid inlet.Second liquid phase outlet is connected with the first fluid inlet, can be by from gas-liquid separation device 20
The a small amount of liquid (the inside is equally containing spray medium, a small amount of tar and semi-coke powder) separated further carries out separation of solid and liquid,
Tar therein is reclaimed, loss is reduced.
In a kind of preferred embodiment, backwash liquid import, dust arrester are additionally provided with equipment for separating liquid from solid 30
Also include backwash liquid feeding mechanism, backwash liquid feeding mechanism is connected with backwash liquid import.Equipment for separating liquid from solid
After 30 using a period of time, filter pipe surface and have semi-coke powder residual, filter effect can be affected.And backwash technique is set, when
When inlet outlet pressure differential (PIC) reaches setting value, pulse cleaning is carried out to screen pipe using backwash liquid, be ensure that long-term
Separating effect, reaches the purpose that circular regeneration is used.During concrete application, the back blowing process backwashes principle using high pressure.
The liquid of backwash can be using water under high pressure, high pressure aqua ammonia, clean filtered fluid or high pressure solvent etc..
In another kind of embodiment not shown in figure, filter pipe surface and be provided with mechanical Gua Bi mechanisms, such as machinery is scraped
Wall knife.The actual cleaning for automatic mechanical type of the setting, its principle is similar to the piston ring on starting, salable to clear up filter core.
In a kind of preferred embodiment, when sprayer 11 is to spray into ammoniacal liquor, also set up on equipment for separating liquid from solid 30
There is the 3rd liquid-phase outlet, dust arrester also includes Liquid liquid Separation device, the 3rd fluid inlet, the 3rd liquid are provided with Liquid liquid Separation device
Phase import is connected with the 3rd liquid-phase outlet.When sprayer 11 is to spray into ammoniacal liquor, as shown in figure 1, through equipment for separating liquid from solid
30 process, the liquid phase that ammoniacal liquor and tar are formed realize with semi-coke powder solid phase separation of solid and liquid (when being sprayed using tar,
3rd liquid-phase outlet of equipment for separating liquid from solid 30 liquid out is tar, without the need for further separation).Liquid liquid point is further set
From device, the ammoniacal liquor and tar separation in liquid phase can be come, obtain the tar product of high-quality.
In a kind of preferred embodiment, solid slag outlet is additionally provided with equipment for separating liquid from solid 30, dust arrester also includes
Solid slag processing meanss, are provided with solid slag import in solid slag processing meanss, solid slag import is connected with solid slag outlet, solid slag processing meanss
Tar in reclaim solid slag.The solid slag that equipment for separating liquid from solid 30 is separated is semi-coke powder, also can be carried in semi-coke powder micro-
The tar of amount.Using solid slag processing meanss, this part tar can be reclaimed.Specifically, the separation of solid slag processing meanss
Principle can have following several：Have mechanical, extraction formula and distillation etc., the utility model mainly for mechanical and extraction formula and
Plus after thermal coupling, i.e. tar slag heating, viscosity is reduced, flowable, is separated into centrifuge, reclaims most of oil, tar
Into finished pot, the dregs of fat being then discharged out enter blending tank and solvent mixes, then are separated by centrifuge, then to slag
Son and separating tar liquid are individually heated, recycling design recycling.It is also a kind of to adopt flocculant and demulsifier mixed liquor
Body, is mixed with tar slag, the oil in bits and water is peeled off, afterwards tar slag, tar and water AUTOMATIC ZONING, then will be each
Class I liquid I is excluded, and bits are individually processed.
In a kind of preferred embodiment, dust arrester also includes solid slag conveyer 40, and solid slag conveyer 40 is arranged on solid
Between slag import and solid slag outlet.As shown in figure 1, solid slag conveyer 40 is auger conveyor.In actual mechanical process, when solid
After the operation a period of time of liquid separating apparatus 30, need to carry out deslagging, now need the liquid entrance for closing equipment for separating liquid from solid 30
Valve, opening auger conveyor carries out deslagging.
In a kind of preferred embodiment, dust arrester also includes force (forcing) pump 12, and force (forcing) pump 12 is arranged on the first liquid phase and enters
On the pipeline that mouth is located.Force (forcing) pump 12 can be centrifugal booster pump, and pump body is provided with anticorrosion wadding.
In a kind of preferred embodiment, dust arrester also includes blowback pump 31, and blowback pump 31 is arranged on backwash liquid
On pipeline between feeding mechanism and backwash liquid import.The effect of blowback pump 31 is pressurizeed for blowback liquid, the pump housing
It is internally provided with anticorrosion wadding.
In a kind of preferred embodiment, dust arrester also includes thick dust arrester, and waste coal is provided with thick dust arrester
Gas is exported, and raw coke oven gas outlet is connected with raw coke oven gas import.Using thick dust arrester, first raw coke oven gas can be entered before spraying and dedusting
The thick dedusting of row such that it is able to further improve the dust removing effects of raw coke oven gas.
In a kind of preferred embodiment, thick dust arrester is cyclone dust collectors or whirlwind group deduster.Whirlwind group dedusting
Device principle is similar with cyclone dust collectors, and difference is that whirlwind group deduster is made up of or small-sized ceramics multigroup whirlwind
Whirlwind cyclone is constituted.
In actual operating process, from reacting furnace out about 450～550 DEG C of high temperature raw gas temperature, first pass around thick
Dust arrester gets off most of dust separation, slightly except rear raw coke oven gas dustiness about 12～15g/Nm3.Then, raw coke oven gas is entered
To in spray scrubber 10, with ammoniacal liquor or tar directly contact, cooling and dedusting are realized, dustiness can be reduced after spray washing
To 50mg/Nm3Left and right.It is (cold that the raw coke oven gas after dedusting in the gas-liquid separation device 20 out can enter into subsequent treatment
Tower, electric tar, gas purification etc.).
Seen from the above description, using dust arrester provided by the utility model, for raw coke oven gas dust removal process when
Dust removing effects are higher.Meanwhile, spraying and dedusting is carried out using spray scrubber, also with the function of cooling.This allows for overall
Dust collecting process is in relatively low state of temperature, it is to avoid tar is chronically at second pyrolysis during high temperature, it is ensured that tar quality,
And not there is a problem of that tar separates out easy occluding device.In addition, the security of dedusting that relatively low temperature is also greatly enhanced.Remove
Outside above advantage, the operating cost of the dust arrester in the utility model is relatively low.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (14)
1. a kind of raw coke oven gas dust arrester, it is characterised in that the dust arrester includes：
Spray scrubber (10), on the spray scrubber (10) raw coke oven gas import, the first gaseous phase outlet and the first liquid are provided with
Mutually export, the spray scrubber (10) is internally provided with sprayer (11), the sprayer (11) to spray into ammoniacal liquor or
Tar；
Gas-liquid separation device (20), is provided with the first gas phase import on the gas-liquid separation device (20), first gas phase is entered
Mouth is connected with first gaseous phase outlet；And
Equipment for separating liquid from solid (30), is provided with the first fluid inlet on the equipment for separating liquid from solid (30), first liquid phase is entered
Mouth is connected with first liquid-phase outlet.
2. raw coke oven gas dust arrester according to claim 1, it is characterised in that the spray scrubber (10) is packed tower
Or foaming tower.
3. raw coke oven gas dust arrester according to claim 1, it is characterised in that the gas-liquid separation device (20) is centrifugation
Formula gas-liquid separator, centrifugation deflector type gas-liquid separator or filtering type gas-liquid separator.
4. raw coke oven gas dust arrester according to claim 1, it is characterised in that the equipment for separating liquid from solid (30) is membrane type
Filter, the interior parallel of the equipment for separating liquid from solid (30) is provided with many screen pipes.
5. raw coke oven gas dust arrester according to claim 4, it is characterised in that the outer layer of the screen pipe is provided with insulation
Layer.
6. raw coke oven gas dust arrester according to claim 1, it is characterised in that also set on the gas-liquid separation device (20)
Second liquid phase outlet is equipped with, the second liquid phase outlet is connected with first fluid inlet.
7. raw coke oven gas dust arrester according to any one of claim 1 to 6, it is characterised in that the separation of solid and liquid dress
Put and be additionally provided with (30) backwash liquid import, the dust arrester also includes backwash liquid feeding mechanism, the recoil
Wash liq feeding mechanism is connected with the backwash liquid import.
8. raw coke oven gas dust arrester according to claim 7, it is characterised in that when the sprayer (11) is to spray into ammonia
During water, the 3rd liquid-phase outlet is additionally provided with the equipment for separating liquid from solid (30), the dust arrester also includes Liquid liquid Separation device,
The 3rd fluid inlet is provided with the Liquid liquid Separation device, the 3rd fluid inlet is connected with the 3rd liquid-phase outlet.
9. raw coke oven gas dust arrester according to claim 7, it is characterised in that also set on the equipment for separating liquid from solid (30)
Solid slag outlet is equipped with, the dust arrester also includes solid slag processing meanss, in the solid slag processing meanss solid slag import is provided with,
The outlet of the solid slag import and the solid slag is connected, the solid slag processing meanss to reclaim solid slag in tar.
10. raw coke oven gas dust arrester according to claim 9, it is characterised in that the dust arrester also includes that solid slag is defeated
Machine (40), the solid slag conveyer (40) is sent to be arranged between the solid slag import and solid slag outlet.
11. raw coke oven gas dust arresters according to any one of claim 1 to 6, it is characterised in that the dust arrester is also
Including force (forcing) pump (12), the force (forcing) pump (12) is arranged on the pipeline that first fluid inlet is located.
12. raw coke oven gas dust arresters according to claim 7, it is characterised in that the dust arrester also includes blowback pump
(31), the blowback pump (31) is arranged on the pipeline between the backwash liquid feeding mechanism and the backwash liquid import
On.
13. raw coke oven gas dust arresters according to any one of claim 1 to 6, it is characterised in that the dust arrester is also
Including thick dust arrester, raw coke oven gas outlet is provided with the thick dust arrester, the raw coke oven gas outlet is entered with the raw coke oven gas
Mouth is connected.
14. raw coke oven gas dust arresters according to claim 13, it is characterised in that the thick dust arrester is cyclone dust removal
Device or whirlwind group deduster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621046244.4U CN206109331U (en) | 2016-09-09 | 2016-09-09 | Raw gas dust collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621046244.4U CN206109331U (en) | 2016-09-09 | 2016-09-09 | Raw gas dust collection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206109331U true CN206109331U (en) | 2017-04-19 |
Family
ID=58520439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621046244.4U Active CN206109331U (en) | 2016-09-09 | 2016-09-09 | Raw gas dust collection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206109331U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106281475A (en) * | 2016-09-09 | 2017-01-04 | 新疆广汇中化能源技术开发有限公司 | Raw coke oven gas dust arrester |
| CN114485192A (en) * | 2022-01-12 | 2022-05-13 | 鲁南中联水泥有限公司 | Device for adjusting temperature of waste gas in cement production |
-
2016
- 2016-09-09 CN CN201621046244.4U patent/CN206109331U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106281475A (en) * | 2016-09-09 | 2017-01-04 | 新疆广汇中化能源技术开发有限公司 | Raw coke oven gas dust arrester |
| CN114485192A (en) * | 2022-01-12 | 2022-05-13 | 鲁南中联水泥有限公司 | Device for adjusting temperature of waste gas in cement production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180125 Address after: 839303 the Xinjiang Uygur Autonomous Region Hami Yiwu County NOM town Xingye Road No. 1 Patentee after: Xinjiang Guanghui coal cleaning and refining Co., Ltd. Address before: 830001 the Xinjiang Uygur Autonomous Region economic and Technological Development Zone, Songshan street, No., R & D building, room 871, room 229 Patentee before: XINJIANG GUANGHUI SINOCHEM ENERGY TECHNOLOGY DEVELOPMENT CO., LTD. |
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| TR01 | Transfer of patent right |