CN209451813U - A kind of continuous nitrification reaction unit - Google Patents
A kind of continuous nitrification reaction unit Download PDFInfo
- Publication number
- CN209451813U CN209451813U CN201920042389.4U CN201920042389U CN209451813U CN 209451813 U CN209451813 U CN 209451813U CN 201920042389 U CN201920042389 U CN 201920042389U CN 209451813 U CN209451813 U CN 209451813U
- Authority
- CN
- China
- Prior art keywords
- separator
- pipeline
- switch
- acid
- raw material
- 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
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000002253 acid Substances 0.000 claims abstract description 64
- 239000002994 raw material Substances 0.000 claims abstract description 46
- 239000000203 mixture Substances 0.000 claims abstract description 36
- 230000000802 nitrating effect Effects 0.000 claims abstract description 31
- 150000001875 compounds Chemical class 0.000 claims abstract description 26
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 24
- 238000000926 separation method Methods 0.000 claims abstract description 22
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000003513 alkali Substances 0.000 claims abstract description 21
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 21
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000005406 washing Methods 0.000 claims abstract description 21
- 239000003518 caustics Substances 0.000 claims abstract description 20
- 238000004140 cleaning Methods 0.000 claims abstract description 20
- 238000000605 extraction Methods 0.000 claims abstract description 17
- 239000000126 substance Substances 0.000 claims abstract description 5
- 238000006396 nitration reaction Methods 0.000 claims description 13
- 239000000945 filler Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000000047 product Substances 0.000 abstract description 7
- 239000006227 byproduct Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010924 continuous production Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000001546 nitrifying effect Effects 0.000 description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 150000002828 nitro derivatives Chemical class 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses a kind of continuous nitrification reaction units, it is related to chemical equipment technical field, including nitrator, nitrating mixture separator, the extraction reactor of spent acid containing nitre, spent acid and acid material separator to be nitrified, does not nitrify raw material and thick itrated compound separator, one-stage water wash device, one-stage water wash separator, caustic scrubber, alkali cleaning separator, second level water scrubber and second level washing separation device；It is characterized by: being provided with nitric acid, sulfuric acid entrance, feed(raw material)inlet to be digested and water inlet on the nitrator；Advanced production process automatic control system (PAC) is used in process units, safety instrument interlocking links system (SIS)；Beneficial effect is: realizing continuous production, operating flexibility is big, high production efficiency, good product quality, by-product are few, and energy consumption is low with consumption of raw materials, and production process is safe and reliable；It can meet simultaneously excessive using nitric acid and be used using the excessive two kinds of situations of raw material to be nitrified, improve production efficiency.
Description
Technical field
The utility model relates to chemical equipment technical fields, more particularly to a kind of continuous nitrification reaction unit.
Background technique
Nitration reaction is that the reaction of nitro is introduced into aromatic ring, and reaction product nitro compound purposes is extremely extensive, nitro
The elder generation that is produced as of compound carries out nitration reaction in nitrator, then by the thick nitrification containing by-products such as nitropheneols
Object is separated with nitrating wasting acid, and thick itrated compound is washed alkali cleaning and obtains nitration product, and whether nitration reaction is continuous by production process
It is divided into interval nitrification or continuous nitrification, continuous nitrification reaction improves nitrification efficiency, but some continuous nitrification reaction units on the market
It cannot meet simultaneously excessive using nitric acid and use use when nitrifying raw material excessively two kinds of situations, cannot accomplish preferable original
Material sufficiently uses, more wasteful, causes production cost compared with high, risk is big, wash time is long, large labor intensity, production pollution
The problems such as big.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of continuous nitrification reaction unit.
The utility model achieves the above object through the following technical schemes:
A kind of continuous nitrification reaction unit, including nitrator, nitrating mixture separator, spent acid containing nitre extract reaction
Device, spent acid and acid material separator to be nitrified do not nitrify raw material and thick itrated compound separator, one-stage water wash device, one-stage water wash
Separator, caustic scrubber, alkali cleaning separator, second level water scrubber, second level washing separation device, first switch, second switch, third are opened
It closes, the 4th switch, the 5th switch and the 6th switch；It is characterized by: being provided with nitric acid on the nitrator, sulfuric acid enters
Mouth, feed(raw material)inlet to be digested and water inlet, the nitrator are connect with the nitrating mixture separator by pipeline；Institute
State nitrating mixture separator respectively with the extraction reactor containing nitric acid, described not nitrify raw material and thick itrated compound separator logical
Piping connection；The extraction reactor containing nitric acid is connect with the spent acid with acid material separator to be nitrified by pipeline,
The spent acid extends to nitric acid, sulfuric acid entrance by pipeline with acid material separator to be nitrified, and is provided on the segment pipe
The first switch；The spent acid extends to feed(raw material)inlet to be nitrified by pipeline with acid material separator to be nitrified, and should
The second switch is provided on segment pipe；It is described not nitrify raw material and extended to by pipeline wait nitrify with thick itrated compound separator
Feed(raw material)inlet, and the 6th switch is provided on the segment pipe；The nitrating mixture separator extends to nitre by pipeline
Acid, sulfuric acid entrance, and the 4th switch is provided on the segment pipe；The nitrating mixture separator and the one-stage water wash
Device is connected by pipeline, and the third switch is provided on the segment pipe；It is described not nitrify raw material and thick itrated compound separator
It is connect with the one-stage water wash device by pipeline, and is provided with the 5th switch on the segment pipe；The one-stage water wash device with
The one-stage water wash separator is connected by pipeline；The one-stage water wash separator is connect with the caustic scrubber by pipeline；Institute
It states caustic scrubber and is connect with the alkali cleaning separator by pipeline；The alkali cleaning separator and the second level water scrubber are connected by pipeline
It connects；The second level water scrubber is connect with the second level washing separation device by pipeline, and the second level washing separation device is provided with nitre
Change product exit.
Preferred: the nitrator, the caustic scrubber, the second level water scrubber, described contains the one-stage water wash device
Chemical filler is set in nitre spent acid extraction reactor.
It is preferred: the nitrator, the nitrating mixture separator, the spent acid containing nitre extraction reactor, institute
It states spent acid and acid material separator to be nitrified, described nitrify raw material and thick itrated compound separator, the one-stage water wash device, institute
State one-stage water wash separator, the caustic scrubber, the alkali cleaning separator, the second level water scrubber, the second level washing separation device
Respective separate unit or multi-platform combined use.
Preferred: the motive force that material flows in system is provided by pump, potential difference or pressure difference.
Beneficial effect is: realizing continuous production, operating flexibility is big, high production efficiency, good product quality, by-product
Few, energy consumption is low with consumption of raw materials, and production process is safe and reliable；It can meet simultaneously excessive using nitric acid and use raw material to be nitrified
Excessive two kinds of situations use, and improve production efficiency.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural framing figure of continuous nitrification reaction unit described in the utility model.
Fig. 2 is a kind of nitrification flow chart of continuous nitrification reaction unit described in the utility model.
Fig. 3 is a kind of washing neutralized system flow chart of continuous nitrification reaction unit described in the utility model.
The reference numerals are as follows:
1, nitrator；2, nitrating mixture separator；3, the extraction reactor of spent acid containing nitre；4, spent acid and acidity are to nitre
Change material separator；5, raw material and thick itrated compound separator are not nitrified；6, one-stage water wash separator；7, caustic scrubber；8, second level water
Wash separator；10, second level water scrubber；11, alkali cleaning separator；12, one-stage water wash device；13, first switch；14, second switch；
15, third switchs；16, the 4th switch；17, the 5th switch；18, the 6th switch.
Specific embodiment
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention, in addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or imply relative importance or implicitly indicate the quantity of indicated technical characteristic, " first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features, it is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
Can be the connection inside two elements, for the ordinary skill in the art, can be understood by concrete condition on
State the concrete meaning of term in the present invention.
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figure 1-Figure 3, a kind of continuous nitrification reaction unit, including nitrator 1, nitrating mixture separator 2,
The extraction reactor of spent acid containing nitre 3, spent acid and acid material separator 4 to be nitrified, do not nitrify raw material and thick itrated compound separator 5,
One-stage water wash device 12, one-stage water wash separator 6, caustic scrubber 7, alkali cleaning separator 11, second level water scrubber 10, second level washing separation device
8, first switch 13, second switch 14, third switch 15, the 4th switch 16, the 5th switch 17 and the 6th switch 18；Its feature exists
In: nitric acid, sulfuric acid entrance, feed(raw material)inlet to be digested and water inlet, nitrator 1 and nitrification are provided on nitrator 1
Mixture separator 2 is connected by pipeline, and nitrator 1 is used to nitration reaction, and nitrating mixture separator 2 is used to separate；
Nitrating mixture separator 2 does not nitrify raw material and thick itrated compound separator 5 with extraction reactor containing nitric acid, respectively and is connected by pipeline
It connects, extraction reactor containing nitric acid is used to promote to react, and does not nitrify raw material and is used to separate with thick itrated compound separator 5；It is mentioned containing nitric acid
Reactor is taken to connect with spent acid with acid material separator 4 to be nitrified by pipeline, spent acid and acid material separator 4 to be nitrified
For separating, spent acid extends to nitric acid, sulfuric acid entrance by pipeline with acid material separator 4 to be nitrified, and on the segment pipe
It is provided with first switch 13, first switch 13 is used to control；Spent acid is extended to acid material separator 4 to be nitrified by pipeline
Feed(raw material)inlet to be nitrified, and second switch 14 is provided on the segment pipe, second switch 14 is used to control；Raw material and thick is not nitrified
Itrated compound separator 5 extends to feed(raw material)inlet to be nitrified by pipeline, and the 6th switch 18 is provided on the segment pipe, and the 6th opens
18 are closed to be used to control；Nitrating mixture separator 2 extends to nitric acid, sulfuric acid entrance by pipeline, and is provided on the segment pipe
4th switch 16, the 4th switch 16 are used to control；Nitrating mixture separator 2 is connect with one-stage water wash device 12 by pipeline, and
Third switch 15 is provided on the segment pipe, third switch 15 is used to control；Raw material and thick itrated compound separator 5 and one are not nitrified
Grade water scrubber 12 is connected by pipeline, and the 5th switch 17 is provided on the segment pipe, and one-stage water wash device 12 is used to wash, and the 5th
Switch 17 is used to control；One-stage water wash device 12 is connect with one-stage water wash separator 6 by pipeline, and one-stage water wash separator 6 is used to
Separation；One-stage water wash separator 6 is connect with caustic scrubber 7 by pipeline, and caustic scrubber 7 is used to alkali cleaning；Caustic scrubber 7 and alkali cleaning separator
11 are connected by pipeline, and alkali cleaning separator 11 is used to separate；Alkali cleaning separator 11 is connect with second level water scrubber 10 by pipeline, and two
Grade water scrubber 10 is used to wash；Second level water scrubber 10 is connect with second level washing separation device 8 by pipeline, second level washing separation device 8
For separating, second level washing separation device 8 is provided with nitration product outlet；Nitrator 1, one-stage water wash device 12, caustic scrubber 7,
Chemical filler is set in second level water scrubber 10, the extraction reactor of spent acid containing nitre 3；Nitrator 1, nitrating mixture separator 2,
The extraction reactor of spent acid containing nitre 3, spent acid and acid material separator 4 to be nitrified, do not nitrify raw material and thick itrated compound separator 5,
One-stage water wash device 12, one-stage water wash separator 6, caustic scrubber 7, alkali cleaning separator 11, second level water scrubber 10, second level washing separation device
8 respective separate units or multi-platform combined use improve nitrification efficiency；The motive force that material flows in system is by pump, potential difference or pressure
Strong poor offer.
Working principle: when raw material proportioning uses nitric acid excess, first switch 13, second switch 14 and 15 dozens, third switch
It opens, the 4th switch 16, the 5th switch 17 and the 6th switch 18 are closed, the acid from spent acid and acid material separator 4 to be nitrified
Property raw material to be nitrified and nitric acid, sulfuric acid, water composition nitration mixture enter the flowing of 1 inner edge of nitrator, while mix, Bian Fanying, while
The nitrating mixture of heat transfer, outflow nitrator 1 enters nitrating mixture separator 2, and nitrating mixture separator 2 is isolated
Spent acid containing nitre and raw material to be nitrified enter the residual made in raw material to be nitrified and spent acid containing nitre in the extraction reactor of spent acid containing nitre 3
Nitric acid reaction forms spent acid and acid raw material to be nitrified, and the mixture of the extraction reactor of spent acid containing nitre 3 enters spent acid and acidity out
Material separator 4 to be nitrified, the waste acid concentration rear enclosure isolated prepare nitration mixture, and nitrating mixture separator 2 is isolated thick
Itrated compound is separated through one-stage water wash device 12,6 washing separation of one-stage water wash separator through caustic scrubber 7,11 alkali cleaning of alkali cleaning separator,
Nitration product is obtained through second level water scrubber 10,8 washing separation of second level washing separation device again；When raw material proportioning uses raw material mistake to be nitrified
When amount, first switch 13, second switch 14 and third switch 15 are closed, the 4th switch 16, the 5th switch 17 and the 6th switch 18
Open, raw material to be nitrified and nitric acid, sulfuric acid, water composition nitration mixture enter 1 inner edge of nitrator flows, side mixes, Bian Fanying,
Side conducts heat or does not take heat, and the nitrating mixture of outflow nitrator 1, which enters nitrating mixture separator 2, to be made nitrating wasting acid and contain
The thick itrated compound separation of raw material is not nitrified, and the concentrated rear enclosure of the nitrating wasting acid that nitrating mixture separator 2 is isolated is prepared mixed
Acid, what nitrating mixture separator 2 was isolated go not nitrify raw material containing the thick itrated compound for not nitrifying raw material separates with thick itrated compound
Device, the raw material that do not nitrify isolated participate in nitration reaction again, do not nitrify what raw material was isolated with thick itrated compound separator
Thick itrated compound is through one-stage water wash device 12,6 washing separation of one-stage water wash separator, through caustic scrubber 7,11 alkali cleaning of alkali cleaning separator point
From, then through second level water scrubber 10,8 washing separation of second level washing separation device obtain nitration product.
The basic principles and main features and advantage of the utility model, the technical staff of the industry has been shown and described above
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.
Claims (4)
1. a kind of continuous nitrification reaction unit, including nitrator, nitrating mixture separator, spent acid containing nitre extract reaction
Device, spent acid and acid material separator to be nitrified do not nitrify raw material and thick itrated compound separator, one-stage water wash device, one-stage water wash
Separator, caustic scrubber, alkali cleaning separator, second level water scrubber, second level washing separation device, first switch, second switch, third are opened
It closes, the 4th switch, the 5th switch and the 6th switch；It is characterized by: being provided with nitric acid on the nitrator, sulfuric acid enters
Mouth, feed(raw material)inlet to be digested and water inlet, the nitrator are connect with the nitrating mixture separator by pipeline；Institute
State nitrating mixture separator respectively with the extraction reactor of spent acid containing nitre, described do not nitrify raw material and thick itrated compound separator
It is connected by pipeline；The extraction reactor of spent acid containing nitre and the spent acid and acid material separator to be nitrified are connected by pipeline
It connects, the spent acid extends to nitric acid, sulfuric acid entrance by pipeline with acid material separator to be nitrified, and is arranged on the segment pipe
There is the first switch；The spent acid extends to feed(raw material)inlet to be nitrified by pipeline with acid material separator to be nitrified, and
The second switch is provided on the segment pipe；The raw material that do not nitrify is extended to by pipeline to nitre with thick itrated compound separator
Change feed(raw material)inlet, and is provided with the 6th switch on the segment pipe；The nitrating mixture separator is extended to by pipeline
Nitric acid, sulfuric acid entrance, and the 4th switch is provided on the segment pipe；The nitrating mixture separator and the level-one water
It washes device to connect by pipeline, and is provided with the third switch on the segment pipe；The raw material that do not nitrify is separated with thick itrated compound
Device is connect with the one-stage water wash device by pipeline, and the 5th switch is provided on the segment pipe；The one-stage water wash device
It is connect with the one-stage water wash separator by pipeline；The one-stage water wash separator is connect with the caustic scrubber by pipeline；
The caustic scrubber is connect with the alkali cleaning separator by pipeline；The alkali cleaning separator and the second level water scrubber pass through pipeline
Connection；The second level water scrubber is connect with the second level washing separation device by pipeline, and the second level washing separation device is provided with
Nitration product outlet.
2. a kind of continuous nitrification reaction unit according to claim 1, it is characterised in that: the nitrator, described
Chemical filler is set in one-stage water wash device, the caustic scrubber, the second level water scrubber, the spent acid containing nitre extraction reactor.
3. a kind of continuous nitrification reaction unit according to claim 1, it is characterised in that: the nitrator, described
Nitrating mixture separator, the spent acid containing nitre extraction reactor, the spent acid and acid material separator to be nitrified, it is described not
Nitrify raw material and thick itrated compound separator, the one-stage water wash device, the one-stage water wash separator, the caustic scrubber, the alkali
Wash separator, the second level water scrubber, the respective separate unit of second level washing separation device or multi-platform combined use.
4. a kind of continuous nitrification reaction unit according to claim 1, it is characterised in that: what material flowed in system pushes away
Power is provided by pump, potential difference or pressure difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920042389.4U CN209451813U (en) | 2019-01-11 | 2019-01-11 | A kind of continuous nitrification reaction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920042389.4U CN209451813U (en) | 2019-01-11 | 2019-01-11 | A kind of continuous nitrification reaction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209451813U true CN209451813U (en) | 2019-10-01 |
Family
ID=68044258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920042389.4U Active CN209451813U (en) | 2019-01-11 | 2019-01-11 | A kind of continuous nitrification reaction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209451813U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111792997A (en) * | 2020-07-17 | 2020-10-20 | 四川北方红光特种化工有限公司 | Process method for improving waste acid curing |
| CN112851528A (en) * | 2020-12-31 | 2021-05-28 | 山东滨农科技有限公司 | Pendimethalin raw pesticide continuous nitration reaction device |
-
2019
- 2019-01-11 CN CN201920042389.4U patent/CN209451813U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111792997A (en) * | 2020-07-17 | 2020-10-20 | 四川北方红光特种化工有限公司 | Process method for improving waste acid curing |
| CN112851528A (en) * | 2020-12-31 | 2021-05-28 | 山东滨农科技有限公司 | Pendimethalin raw pesticide continuous nitration reaction device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209451813U (en) | A kind of continuous nitrification reaction unit | |
| CN106238219B (en) | A kind of ilmenite flotation collector and its preparation method and application | |
| CN103214116B (en) | Recycling method of sulfuric acid-containing wastewater from disperse dye production | |
| CN105036803B (en) | A kind of method that parcel gilvous pigment is prepared using acid soak acid pickle containing cadmium | |
| CN110511146A (en) | The production method and its production system of a kind of low single nitro ortho-xylene of waste acid quantity | |
| CN109251146A (en) | A kind of continuous production processes and its production system of 1- nitronaphthalene | |
| CN212610358U (en) | Resorcinol production system | |
| CN204841602U (en) | Device is added to catalyst in petroleum resin production technology | |
| CN106349733A (en) | Technique for compounding disperse red FB and device thereof | |
| CN206927829U (en) | A kind of continuous process system of 1 nitronaphthalene | |
| CN105000910B (en) | A kind of acid soak is containing cadmium, the direct recoverying and utilizing method of selenium acid pickle | |
| CN104891443B (en) | The gas-liquid of a kind of pure chlorine dioxide is automatically separated preparation facilities and preparation method | |
| CN205653375U (en) | Dimethyl disulfide ether apparatus for producing | |
| CN211636491U (en) | M-methyl anisole circulation micro-reaction device | |
| CN210079514U (en) | Solid-liquid circulation reaction device | |
| CN204661589U (en) | A kind of thick cyclobufene sultone produces the continuous production device of tetramethylene sulfone | |
| CN208218417U (en) | A kind of pickler of quartz sand production | |
| CN104211628A (en) | Production equipment for reduction reaction for producing dicumyl peroxide and production method | |
| CN204162410U (en) | The harmless treatment unit of waste silicon powder | |
| CN108236888A (en) | The synthesis system of cumyl peroxide | |
| CN211310873U (en) | Copper oxide preparation equipment | |
| CN209669097U (en) | A kind of novel Ke Lixiding production system | |
| CN212581788U (en) | Efficient production system for producing resorcinol by using sulfur trioxide | |
| CN218422826U (en) | Arsenic and sodium separation device capable of continuously salting out | |
| CN110124587A (en) | A kind of continuous production technology and its equipment of chlorobutane and chloro-octane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220215 Address after: 214000 No. 8, Mashan Kangle Road, Binhu District, Wuxi City, Jiangsu Province Patentee after: Wuxi Jinling pharmaceutical and Chemical Equipment Co.,Ltd. Address before: No. 4, shijishang, Zhoutan village, Huazhuang Town, Binhu District, Wuxi City, Jiangsu Province, 214000 Patentee before: Qian Jianlin |
|
| TR01 | Transfer of patent right |