CN206853641U - Slag pumping system and trichlorosilane production system - Google Patents
Slag pumping system and trichlorosilane production system Download PDFInfo
- Publication number
- CN206853641U CN206853641U CN201721138897.XU CN201721138897U CN206853641U CN 206853641 U CN206853641 U CN 206853641U CN 201721138897 U CN201721138897 U CN 201721138897U CN 206853641 U CN206853641 U CN 206853641U
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- Prior art keywords
- filter
- slag
- pumping system
- steam
- water separator
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- 239000002893 slag Substances 0.000 title claims abstract description 73
- 238000005086 pumping Methods 0.000 title claims abstract description 44
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000005052 trichlorosilane Substances 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 239000007788 liquid Substances 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract description 23
- 238000000034 method Methods 0.000 abstract description 19
- 239000000463 material Substances 0.000 abstract description 10
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 239000013589 supplement Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 4
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 235000013312 flour Nutrition 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000003818 cinder Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005474 detonation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910021487 silica fume Inorganic materials 0.000 description 2
- 239000005046 Chlorosilane Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- MROCJMGDEKINLD-UHFFFAOYSA-N dichlorosilane Chemical compound Cl[SiH2]Cl MROCJMGDEKINLD-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910001510 metal chloride Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Landscapes
- Silicon Compounds (AREA)
Abstract
Trichlorosilane production technical field is the utility model is related to, in particular to a kind of slag pumping system and trichlorosilane production system.The slag pumping system, including filter, vavuum pump and steam-water separator.Wherein, filter interior is provided with filter bag, and filter one end is connected with escape pipe, and the other end of filter is provided with slag-drip opening.By the way that vavuum pump is connected with the gas outlet of filter and the air inlet of steam-water separator, when producing trichlorosilane, caused solid slag can discharge from the slag-drip opening of filter, and the gas of solid slag absorption can enter steam-water separator by vavuum pump, handled or reclaimed.By setting above-mentioned slag pumping system simultaneously, there is provided a kind of safe and environment-friendly, fast and effectively to handle the method that residue discharge can reclaim useful material in it in trichlorosilane production.
Description
Technical field
Trichlorosilane production technical field is the utility model is related to, in particular to a kind of slag pumping system and trichlorine
Hydrogen silicon production system.
Background technology
The main flow production technology of trichlorosilane is that hydrogen chloride controls reaction with industrial silica fume in fluidized-bed reactor at present
280-320 DEG C of temperature, reaction pressure 0.2-0.5Mpa, reaction are made.Because reaction bed is ebullated bed, part silica flour and reaction
Caused metal chloride, high-boiling components can enter rear end process, the material gas after cyclone dust removal, settler, filter process
Handled into wet method system.There are substantial amounts of silica flour and solid slag in settler, filter, traditional treatment method mainly has two
Kind：First method：By manual emission, by solid slag centralized collection, but because the solid slag discharged contains chlorosilane, arranging
Can largely be smoldered during slag, simultaneously because also there is the risk of detonation containing dichlorosilane, trichlorosilane etc., to environment and
The person has larger harm, and this method is eliminated substantially at present.Second method：Settler, filter are pressurizeed with nitrogen, arranged
Have to one in the pond of water, the white residue periodic cleaning in pond.But because white residue is too thin, a deslagging will dust fly all over the sky,
Solid slag, which runs into water, simultaneously acutely to hydrolyze, and produce hydrogen chloride and hydrogen, hydrogen chloride can cause equipment corrosion, while environment also can
Cause compared with major injury；Caused hydrogen chance naked light, electrostatic have the risk of detonation.Therefore it is badly in need of a kind of effective processing in technique
The method of such solid slag.
Utility model content
The purpose of this utility model is to provide a kind of slag pumping system, there is provided energy is safe and environment-friendly, fast and effectively handles
The method that residue discharge can reclaim useful material in it simultaneously in trichlorosilane production.
Second purpose of the present utility model is to provide a kind of trichlorosilane production system, there is provided can be safe and environment-friendly, fast
The method that residue discharge can reclaim useful material in it simultaneously in speed, effective processing trichlorosilane production.
In order to realize above-mentioned purpose of the present utility model, spy uses following technical scheme：
A kind of slag pumping system, including filter, filter interior are provided with filter bag, and filter one end is connected with escape pipe,
The other end of filter is provided with slag-drip opening；Vavuum pump, the air inlet of vavuum pump are communicated in the escape pipe of filter；Steam-water separation
Device, the air inlet of steam-water separator are communicated in the gas outlet of vavuum pump.
In the utility model preferred embodiment, filter bag is connected to filter body by pipe clamp and keel.
In the utility model preferred embodiment, pressure gauge is provided with the air inlet of filter bag.
In the utility model preferred embodiment, liquid level gauge is connected with steam-water separator.
In the utility model preferred embodiment, vavuum pump is water ring vacuum pump, and the impeller of water ring vacuum pump is connected with
The filling pipe of fluid-tight, the air inlet of water ring vacuum pump are provided with vacuum meter.
In the utility model preferred embodiment, water ring vacuum pump is true in filter, water ring by the first pipeline communication
Empty pump is communicated in steam-water separator by second pipe.
In the utility model preferred embodiment, flange is equipped with the first pipeline and second pipe.
In the utility model preferred embodiment, water ring vacuum pump is also by the 3rd pipeline communication in steam-water separator
Bottom, valve is provided with the 3rd pipeline.
In the utility model preferred embodiment, the bottom of steam-water separator is provided with discharge outlet.
A kind of trichlorosilane production system, including above-mentioned slag pumping system.
Compared with prior art, the beneficial effects of the utility model are：
A kind of slag pumping system provided by the utility model, including filter, vavuum pump and steam-water separator.Wherein, mistake
Filter is internally provided with filter bag, and filter one end is connected with escape pipe, and the other end of filter is provided with slag-drip opening.By by very
Empty pump connects with the gas outlet of filter and the air inlet of steam-water separator, and when producing trichlorosilane, caused solid slag can
Discharged from the slag-drip opening of filter, the gas of solid slag absorption can enter steam-water separator by vavuum pump, handled or
Recovery.The slag pumping system, there is provided a kind of energy is safe and environment-friendly, it is same fast and effectively to handle residue discharge in trichlorosilane production
When can reclaim useful material in it method.
A kind of trichlorosilane production system provided by the utility model, by setting above-mentioned slag pumping system, there is provided one
Kind can safe and environment-friendly, fast and effectively handle residue discharge in trichlorosilane production while can reclaim the side of useful material in it
Method.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation for the slag pumping system that the utility model first embodiment provides；
Fig. 2 is the schematic flow sheet for the slag pumping system that the utility model first embodiment provides；
Fig. 3 is the first structural representation of the keel of filter of slag pumping system of the utility model first embodiment offer
Figure；
Fig. 4 is another structural representation of the keel for the slag pumping system filter that the utility model first embodiment provides
Figure.
Icon：100- slag pumping systems；110- filters；112- pressure gauges；The pipelines of 114- first；116- keel；120- is true
Empty pump；122- vacuum meters；124- second pipes；130- steam-water separators；132- liquid level gauges；The pipelines of 134- the 3rd；136- drainings
Mouthful.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
, it is necessary to explanation in the description of the utility model embodiment, term " on ", the orientation or position of the instruction such as " interior "
Put relation be based on orientation shown in the drawings or position relationship, or the utility model product using when the orientation usually put
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected；Can be joined directly together, can also be indirectly connected by intermediary, can be the company of two element internals
It is logical.For the ordinary skill in the art, it can understand that above-mentioned term is specific in the utility model with concrete condition
Implication.
First embodiment
Fig. 1-Fig. 4 is refer to, the present embodiment provides a kind of slag pumping system 100.It include filter 110, vavuum pump 120 with
And steam-water separator 130.
Further, the gas outlet of filter 110 is communicated in vavuum pump 120, and the gas outlet of vavuum pump 120 is communicated in carbonated drink
Separator 130.
By the way that vavuum pump 120 is connected with the gas outlet of filter 110 and the air inlet of steam-water separator 130, work as production
During trichlorosilane, caused solid slag can discharge from the slag-drip opening of filter 110, recycle.The gas of solid slag absorption can
Steam-water separator 130 is entered by vavuum pump 120, discharged after handling again.
It should be understood that above-mentioned filter 110 can select this area other filters or settler applicatory.
Further, filter 110 is internally provided with filter bag.
By setting filter bag, the gas for solid slag and the solid slag absorption that can be will go into filter 110 is had
The separation of effect ground.
Incorporated by reference to Fig. 1, Fig. 2 and Fig. 3, in the optional embodiment of the utility model one, above-mentioned filter 110, in it
The filter bag of setting is connected by pipe clamp with keel 116 with filter body.
Specifically, alternatively, keel 116 can select to be arranged to the column structure of annular, and annular keel are connected to described
In absorber body.
Further, above-mentioned keel 116 could be arranged to multiple.
It should be understood that the specific structure of above-mentioned keel 116 can also select other structures applicatory.
Further, by setting pipe clamp, filter bag is connected by pipe clamp with keel 116 with filter body, Neng Goujin
Strengthen to one step the stability of filter bag, and then favourable guarantee is provided for follow-up filter progress.
Further, escape pipe is arranged at the top of filter 110, and there is slag-drip opening bottom, has air inlet, air inlet below filter bag
On pressure gauge 112 is installed.
When producing trichlorosilane, caused solid slag can discharge from the slag-drip opening of filter 110, and what solid slag was adsorbed
Gas can have escape pipe to enter in follow-up equipment from the top of filter 110, and then carry out follow-up technique.
Further, by setting installation pressure gauge 112 on air inlet, can effectively monitor into filter 110
Gas pressure and other parameters, and then controllable monitoring and control are carried out to whole slag pumping system 100.
Further, liquid level gauge 132 is connected with steam-water separator 130.Entered so as to effectively observe, monitor
The volume of liquid in steam-water separator 130, and then controllably monitor the security of whole slag pumping system 100.
In the optional embodiment of the utility model one, when the slag pumping system 100 carries out taking out slag, control liquid level is in liquid level gauge
Middle part or so.
Further, air inlet, water supplement port and gas outlet are arranged at the top of steam-water separator 130, and there are overfall, bottom in middle part
There is discharge outlet 136.
Further, can be in time to inside slag pumping system 100 by the water supplement port at the top of steam-water separator 130
Supplement water.
Specifically, in the optional embodiment of the utility model one, when producing trichlorosilane, from steam-water separator 130
Top the corresponding dissolving of water supplement port addition, so as to be reacted with the gas in system, and then it is carried out further
After processing, then discharge.Further enhance the safe and environment-friendly property of whole system.
Alternatively, toward the sig water of filling 3%-5% or so in steam-water separator 130.So as to be produced in vavuum pump 120
The gases such as raw hydrogen chloride are reacted, and then the gas for be discharged into air is environmentally safe or pollutes smaller.
Further, the bottom of steam-water separator 130 is provided with discharge outlet 136.
By setting the discharge outlet, the water in system can be discharged in time.It further increasing whole system
Security.
Water ring vacuum pump is communicated in by the 3rd pipeline 124 at the discharge outlet 136 of the bottom of steam-water separator 130, and
Valve is provided with 3rd pipeline 124.So as to the water for discharging the needs in water ring vacuum pump, from steam-water separator 130
Bottom be provided with discharge outlet 136 and discharge, further ensure that the security of whole slag pumping system 100.
Further, Fig. 1 and Fig. 4 are refer to, the air inlet of vavuum pump 120 is communicated in the escape pipe of filter 110.
, can be in the presence of vavuum pump 120, successfully from filter 110 when the gas that solid slag carries in filter 110
Top vent discharge.
Further, vavuum pump 120 is water ring vacuum pump, and the impeller of water ring vacuum pump is connected with the filling pipe of fluid-tight,
The air inlet of water ring vacuum pump is provided with vacuum meter 122.
Water ring vacuum pump, can be that single-stage can also be twin-stage in the optional embodiment of the utility model one.
Further, nitrogen tonifying Qi valve is additionally provided with vavuum pump 120, for supplementing nitrogen to system, with maintainer
System pressure is normal pressure.
Specifically, the gas carried when solid slag is out of filter 110, and after entering in water ring vacuum pump, gas can be with
Water reacts, and so as to caused gas, steam-water separator 130 can be entered in the presence of water ring vacuum pump, so as to enter
The follow-up processing of row.
The slag pumping system 100 is not only safe and environment-friendly, fast and effectively handles residue in trichlorosilane production discharges, simultaneously
Its caused useful material of gas can be reclaimed.
Further, vavuum pump 120 can also play a part of vacuumizing system.It is optionally real in the utility model one
Apply in example, extraction system vacuum is carried out to slag pumping system 100, to vacuum-0.9-- 0.95mpa.
It should be understood that the specific operation principle of above-mentioned water ring vacuum pump is well-known to those skilled in the art, herein
Repeat no more.
Further, water ring vacuum pump is communicated in filter 110 by the first pipeline 114, and water ring vacuum pump 120 passes through
Two pipelines 124 are communicated in steam-water separator 130.Flange is equipped with first pipeline 114 and second pipe 124.So that the
One pipeline 114, second pipe 124 can be connected by flange with equipment.Further enhance the whole knot of slag pumping system 100
The reliability of structure.
Generally speaking, slag pumping system 100 is this work：First by the bottom slag discharge of filter 110 with it is preceding together with work
Cinder notch connection is taken out in sequence, then toward the sig water of filling 3%-5% or so in steam-water separator 130, control liquid level is in liquid level
Meter middle part left and right, starts the slag pumping system 100, carries out extraction system vacuum, when system vacuum-0.9-- 0.95mpa, open
The valve for taking out cinder notch bottom of preceding working procedure is opened, solid slag enters the bottom of filter 100., can be appropriate when carrying out solid slag extraction
Nitrogen is passed through, carries out Geldart-D particle.After solid slag extracts, the bottom slag discharge of filter 110 is closed, from vavuum pump 120
Nitrogen tonifying Qi valve supplements nitrogen when system pressure is normal pressure, and solid slag is discharged in specific slag ladle by opening filter 110.By
It is closed system and nitrogen charging gas shielded in whole system, solves the problems, such as pulp water solution and airborne dust well；The slag ejected according to
Its interior industrial silica fume number may be recovered utilization or directly outer sell for silica flour producer.It is caused harmful in vavuum pump 120
Gas is discharged again after also passing through the processing of steam-water separator 130, and whole slag pumping system 100 is safe and environment-friendly.
Second embodiment
The present embodiment provides a kind of trichlorosilane production system, including above-mentioned slag pumping system 100, above-mentioned by setting
Slag pumping system 100, there is provided a kind of energy is safe and environment-friendly, fast and effectively handles residue in trichlorosilane production discharges energy simultaneously
The method for reclaiming useful material in it.
In summary：
A kind of slag pumping system provided by the utility model, including filter, vavuum pump and steam-water separator.Wherein, mistake
Filter is internally provided with filter bag, and filter one end is connected with escape pipe, and the other end of filter is provided with slag-drip opening.By by very
Empty pump connects with the gas outlet of filter and the air inlet of steam-water separator, and when producing trichlorosilane, caused solid slag can
Discharged from the slag-drip opening of filter, the gas of solid slag absorption can enter steam-water separator by vavuum pump, handled or
Recovery.The slag pumping system, there is provided a kind of energy is safe and environment-friendly, it is same fast and effectively to handle residue discharge in trichlorosilane production
When can reclaim useful material in it method.
A kind of trichlorosilane production system provided by the utility model, by setting above-mentioned slag pumping system, there is provided one
Kind can safe and environment-friendly, fast and effectively handle residue discharge in trichlorosilane production while can reclaim the side of useful material in it
Method.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.It should be noted that
Arrive：Similar label and letter represents similar terms in following accompanying drawing, therefore, once determined in a certain Xiang Yi accompanying drawing
Justice, then it further need not be defined and explained in subsequent accompanying drawing.
Claims (10)
- A kind of 1. slag pumping system, it is characterised in that includingFilter, the filter interior are provided with filter bag, and described filter one end is connected with escape pipe, the filter it is another One end is provided with slag-drip opening；Vavuum pump, the air inlet of the vavuum pump are communicated in the escape pipe of the filter；AndSteam-water separator, the air inlet of the steam-water separator are communicated in the gas outlet of the vavuum pump.
- 2. slag pumping system according to claim 1, it is characterised in that the filter bag is connected to filtering by pipe clamp and keel Device body.
- 3. slag pumping system according to claim 2, it is characterised in that be provided with pressure gauge on the air inlet of the filter bag.
- 4. slag pumping system according to claim 1, it is characterised in that be connected with liquid level gauge on the steam-water separator.
- 5. slag pumping system according to claim 1, it is characterised in that the vavuum pump is water ring vacuum pump, the water ring The impeller of vavuum pump is connected with the filling pipe of fluid-tight, and the air inlet of the water ring vacuum pump is provided with vacuum meter.
- 6. slag pumping system according to claim 5, it is characterised in that the water ring vacuum pump by the first pipeline communication in The filter, the water ring vacuum pump are communicated in the steam-water separator by second pipe.
- 7. slag pumping system according to claim 6, it is characterised in that be all provided with first pipeline and the second pipe There is flange.
- 8. slag pumping system according to claim 7, it is characterised in that the water ring vacuum pump also passes through the 3rd pipeline communication In being provided with valve on the bottom of the steam-water separator, the 3rd pipeline.
- 9. slag pumping system according to claim 8, it is characterised in that the bottom of the steam-water separator is provided with draining Mouthful.
- A kind of 10. trichlorosilane production system, it is characterised in thatIncluding the slag pumping system as described in claim any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721138897.XU CN206853641U (en) | 2017-09-06 | 2017-09-06 | Slag pumping system and trichlorosilane production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721138897.XU CN206853641U (en) | 2017-09-06 | 2017-09-06 | Slag pumping system and trichlorosilane production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206853641U true CN206853641U (en) | 2018-01-09 |
Family
ID=60832651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721138897.XU Active CN206853641U (en) | 2017-09-06 | 2017-09-06 | Slag pumping system and trichlorosilane production system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206853641U (en) |
-
2017
- 2017-09-06 CN CN201721138897.XU patent/CN206853641U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220222 Address after: 611400 No. 445, Qingyun South Road, Puxing street, Xinjin District, Xinjin County, Chengdu, Sichuan Patentee after: Sichuan mintian Technology Development Co.,Ltd. Address before: 610000 Xincai 18th Road, new material industrial functional zone, Xinjin Industrial Park, Xinjin County, Chengdu City, Sichuan Province Patentee before: CHENGDU SHULING TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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Effective date of registration: 20240312 Address after: 610000 Xincai 18th Road, new material industrial functional zone, Xinjin Industrial Park, Xinjin County, Chengdu City, Sichuan Province Patentee after: CHENGDU SHULING TECHNOLOGY DEVELOPMENT Co.,Ltd. Country or region after: China Address before: 611400 No. 445, Qingyun South Road, Puxing street, Xinjin District, Xinjin County, Chengdu, Sichuan Patentee before: Sichuan mintian Technology Development Co.,Ltd. Country or region before: China |
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