CN108164405A - A kind of pinacoline crude product mixing liquid separating apparatus - Google Patents
A kind of pinacoline crude product mixing liquid separating apparatus Download PDFInfo
- Publication number
- CN108164405A CN108164405A CN201810103237.0A CN201810103237A CN108164405A CN 108164405 A CN108164405 A CN 108164405A CN 201810103237 A CN201810103237 A CN 201810103237A CN 108164405 A CN108164405 A CN 108164405A
- Authority
- CN
- China
- Prior art keywords
- pinacoline
- distributor
- knockout drum
- hydrochloric acid
- output terminal
- 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.)
- Pending
Links
- PJGSXYOJTGTZAV-UHFFFAOYSA-N pinacolone Chemical compound CC(=O)C(C)(C)C PJGSXYOJTGTZAV-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 239000007788 liquid Substances 0.000 title claims abstract description 36
- 239000012043 crude product Substances 0.000 title claims abstract description 25
- 238000002156 mixing Methods 0.000 title claims abstract description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 82
- 238000000926 separation method Methods 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 239000012530 fluid Substances 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims description 15
- 238000009826 distribution Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 9
- 239000000575 pesticide Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- RMOGWMIKYWRTKW-UONOGXRCSA-N (S,S)-paclobutrazol Chemical compound C([C@@H]([C@@H](O)C(C)(C)C)N1N=CN=C1)C1=CC=C(Cl)C=C1 RMOGWMIKYWRTKW-UONOGXRCSA-N 0.000 description 2
- 239000005985 Paclobutrazol Substances 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 150000003851 azoles Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- IUGYQRQAERSCNH-UHFFFAOYSA-N pivalic acid Chemical compound CC(C)(C)C(O)=O IUGYQRQAERSCNH-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 239000006273 synthetic pesticide Substances 0.000 description 1
- FFSJPOPLSWBGQY-UHFFFAOYSA-N triazol-4-one Chemical compound O=C1C=NN=N1 FFSJPOPLSWBGQY-UHFFFAOYSA-N 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
- C01B7/07—Purification ; Separation
- C01B7/0706—Purification ; Separation of hydrogen chloride
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/80—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The present invention relates to a kind of pinacoline crude product mixing liquid separating apparatus, it is characterised in that：Including reaction kettle, distributor, knockout drum and collecting tank；Pinacoline crude product mixed liquor is distributed using multistage in the present invention, the mode of multi-stage separation, shunting of the distributor to crude product mixed liquor is realized according to practically necessary flow using the distributing slot of distributor in distributor in crude product mixed liquor, the lower section for extending to pinacoline and going out oral fluid is extended in knockout drum by the feed liquor nozzle set in knockout drum, it is flowed out from pinacoline liquid outlet the top that pinacoline can float on hydrochloric acid, hydrochloric acid can then send hydrochloric acid liquid outlet to flow out, the enough disengaging times of crude product mixed liquor and enough separation numbers are given, improves the separative efficiency of pinacoline.
Description
Technical field
The present invention relates to chemical production device field more particularly to a kind of pinacoline crude product mixing liquid separating apparatus.
Background technology
Pinacoline is also known as 3,3- dimethyl-2-butanones, and methyl-tert .- butyl ketone is production pesticide（Powder embroiders peaceful, paclobutrazol etc.
Pesticide）Important source material and organic chemical industry's intermediate, it is a variety of fine that many enterprises pinacoline produces pesticide, medicine, dyestuff etc.
Chemical products, in terms of synthetic pesticide especially synthesizing triazole pesticide has huge application potential.
In the 70-80 ages, many research institutions of China and manufacturer have been carried out using pinacoline as raw material, to triazolone, spy
Imitate azoles, the pesticide manufacturings such as paclobutrazol so that the production of pinacoline has started a climax, successively exploitation and perfect pivalic acid
Numerous synthetic methods, yield, content, the impurity of product such as method, rearrangement method, five carbenes and its derivative synthesis method, oxidizing process contain
Amount etc. has obtained unprecedented promotion so that domestic pinacoline production technology has entered world-class ranks.
Pinacoline crude product mixed solution can be generated after technique condensation reaction, road hydrochloric acid detaches after need to carrying out, crude product distillation
Technique.The key technology of crude product mixed liquor isolation technics system two procedures, the effect of separation is to rear road distillation technique, the property of product
It can the most important and domestic key reason that much producers pinacoline impurity is higher, purity is relatively low.Traditional pinacoline separation
Technology uses the technology mode that stratification manually detaches, such method time and effort consuming；Therefore intend developing a kind of new device,
Physical property according to pinacoline and hydrochloric acid solution density is different, and pinacoline floats on liquid upper, hydrochloric acid solution in liquid lower part,
Under the action of apparatus structure, pinacoline can be continuously flow in pinacoline collecting tank, and hydrochloric acid solution can flow to hydrochloric acid collection automatically
In tank, without manually detaching.
Invention content
The technical problem to be solved in the present invention is to provide a kind of pinacoline crude product mixing liquid separating apparatus, can solve general
Pinacoline condensation process produce with a large amount of hydrochloric acid outputs and using stratification separation by the way of the time-consuming expense of inefficiency
The problem of power.
In order to solve the above technical problems, the technical scheme is that：A kind of pinacoline crude product mixing liquid separating apparatus,
Innovative point is：Including reaction kettle, distributor, knockout drum and collecting tank；
The distributor includes the first distributor, the second distributor and third distributor, and the distributor at least has there are two defeated
Outlet；The knockout drum includes level-one knockout drum, the second-order separation tank and three-level knockout drum, and there are two output terminals for the knockout drum tool
And respectively hydrochloric acid output terminal and pinacoline output terminal；The collecting tank includes hydrochloric acid collecting tank and pinacoline collecting tank；
The input terminal of first distributor is connected to the output terminal of reaction kettle, and the output terminal of the first distributor is connected to one
On the grade input terminal of knockout drum and the input terminal of the second distributor；
The output terminal of second distributor is connected on the second-order separation tank；The hydrochloric acid output terminal of the level-one knockout drum connects
It is connected on hydrochloric acid collecting tank, the pinacoline output terminal of the level-one knockout drum is connected on third distributor；
The pinacoline output terminal of the second-order separation tank is connected on three-level knockout drum, and the hydrochloric acid output terminal of the second-order separation tank connects
It is connected on hydrochloric acid collecting tank；The output terminal of the third distributor is connected on three-level knockout drum, the salt of the three-level knockout drum
Sour output terminal is connected on hydrochloric acid collecting tank, and the pinacoline output terminal of the three-level knockout drum is connected on pinacoline collecting tank.
Further, there are two output terminal, first distributor, the second distributor and third distributions for the distributor tool
Device is respectively there are one tools；There are one the level-one knockout drum tools, and there are two the second-order separation tank tools, and there are three three-level knockout drum tools.
Further, the distributor includes outer barrel, input pipe, delivery outlet, distributing slot, partition board and swingle；It is described
Outer barrel is transparent, and the top of outer barrel is extended in outer barrel along vertical direction an input pipe, the outer barrel
Bottom end among be recessed inwardly to form the supporting table of conducting, set between the outer wall bottom end of the supporting table and the inner wall of outer barrel
There is a partition board, delivery outlet is respectively arranged on the outer barrel of partition board both sides；The distributing slot is arranged on input pipe and support
Between platform, the bottom end of distributing slot is provided with a swingle in the supporting table of conducting, and tap hole is provided on the distributing slot,
The number for tap hole being controlled to be located at partition board both sides by rotating swingle, the fluid flow of control partition board both sides.
Further, the knockout drum includes outer tank body, inlet tube, hydrochloric acid liquid outlet and pinacoline liquid outlet；It is described into
The side of liquid pipe stretches to the center of outer tank body and inlet tube is placed in the vertical direction in the center of outer tank body and
The output port of inlet tube is less than pinacoline liquid outlet, and the pinacoline liquid outlet is arranged on the side of outer tank body, the hydrochloric acid
Liquid outlet is arranged on the bottom end of outer tank body.
The advantage of the invention is that：
1）Pinacoline crude product mixed liquor is distributed using multistage in the present invention, and the mode of multi-stage separation is being distributed in crude product mixed liquor
Shunting of the distributor to crude product mixed liquor is realized according to practically necessary flow using the distributing slot of distributor in device, by dividing
The lower section that extends to pinacoline go out oral fluid is extended in from the feed liquor nozzle set in tank in knockout drum, and pinacoline can float on hydrochloric acid
Top is flowed out from pinacoline liquid outlet, and hydrochloric acid can then send hydrochloric acid liquid outlet to flow out, when giving the enough separation of crude product mixed liquor
Between and enough separation number, improve the separative efficiency of pinacoline.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a kind of structure diagram of pinacoline crude product mixing liquid separating apparatus of the present invention.
Fig. 2 is a kind of distributor schematic diagram of pinacoline crude product mixing liquid separating apparatus of the present invention.
Fig. 3 is a kind of knockout drum schematic diagram of pinacoline crude product mixing liquid separating apparatus of the present invention.
Specific embodiment
The following examples can make professional and technical personnel that the present invention be more fully understood, but therefore not send out this
It is bright to be limited among the embodiment described range.
A kind of pinacoline crude product mixing liquid separating apparatus as shown in Figure 1 to Figure 3, including reaction kettle 1, distributor 2, separation
Tank 3 and collecting tank 4.
Distributor 2 includes the first distributor 21, the second distributor 22 and third distributor 23, and the distributor 2 at least has
There are two output terminals；The knockout drum 3 includes level-one knockout drum 31, the second-order separation tank 32 and three-level knockout drum 33, the separation
There are two output terminal and respectively hydrochloric acid output terminals and pinacoline output terminal for the tool of tank 3；The collecting tank 4 includes hydrochloric acid collecting tank 41
With pinacoline collecting tank 42.
The input terminal of first distributor 21 is connected to the output terminal of reaction kettle 1, and the output terminal of the first distributor 21 connects respectively
It is connected on the input terminal of level-one knockout drum 31 and the input terminal of the second distributor 22.
The output terminal of second distributor 22 is connected on the second-order separation tank 32；The hydrochloric acid of the level-one knockout drum 31 is defeated
Outlet is connected on hydrochloric acid collecting tank 41, and the pinacoline output terminal of the level-one knockout drum 31 is connected on third distributor 23.
The pinacoline output terminal of the second-order separation tank 32 is connected on three-level knockout drum 33, the hydrochloric acid output of the second-order separation tank 32
End is connected on hydrochloric acid collecting tank 31；The output terminal of the third distributor 23 is connected on three-level knockout drum 33, the three-level
The hydrochloric acid output terminal of knockout drum 33 is connected on hydrochloric acid collecting tank 41, and the pinacoline output terminal of the three-level knockout drum 33 is connected to
On pinacoline collecting tank 42.
There are two output terminals for the tool of distributor 2, and first distributor 21, the second distributor 22 and third distributor 23 are each to be had
There are one；There are one the tools of level-one knockout drum 31, and there are two the tools of the second-order separation tank 32, and there are three the tools of three-level knockout drum 33.
Distributor 2 includes outer barrel 24, input pipe 25, delivery outlet 26, distributing slot 27, partition board 28 and swingle 29；It is described
Outer barrel 24 is transparent, and the top of outer barrel 24 is extended in outer barrel 24 along vertical direction an input pipe 25,
It is recessed inwardly to form the supporting table 20 of conducting among the bottom end of the outer barrel 24, the outer wall bottom end of the supporting table 20 and outer barrel
A partition board 28 is provided between the inner wall of body 24, delivery outlet 26 is respectively arranged on the outer barrel 24 of 28 both sides of partition board；Institute
It states distributing slot 27 to be arranged between input pipe 25 and supporting table 20, the bottom end of distributing slot 27 is set in the supporting table 20 of conducting
There is a swingle 29, tap hole is provided on the distributing slot 27, tap hole is controlled to be located at partition board 28 by rotating swingle 29
The number of both sides, the fluid flow of 28 both sides of control partition board.
Knockout drum 3 includes outer tank body 34, inlet tube 35, hydrochloric acid liquid outlet 36 and pinacoline liquid outlet 37；The inlet tube
35 side stretches to the center of outer tank body 34 and inlet tube 35 is set along vertical direction in the center of outer tank body 34
It puts and the output port of inlet tube 35 is less than pinacoline liquid outlet 37, the pinacoline liquid outlet 37 is arranged on the side of outer tank body
Side, the hydrochloric acid liquid outlet 36 are arranged on the bottom end of outer tank body 34.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanation
Merely illustrating the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also have
Various changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention
It is defined by the appending claims and its equivalent thereof.
Claims (4)
1. a kind of pinacoline crude product mixing liquid separating apparatus, it is characterised in that：Including reaction kettle, distributor, knockout drum and collection
Tank；
The distributor includes the first distributor, the second distributor and third distributor, and the distributor at least has there are two defeated
Outlet；The knockout drum includes level-one knockout drum, the second-order separation tank and three-level knockout drum, and there are two output terminals for the knockout drum tool
And respectively hydrochloric acid output terminal and pinacoline output terminal；The collecting tank includes hydrochloric acid collecting tank and pinacoline collecting tank；
The input terminal of first distributor is connected to the output terminal of reaction kettle, and the output terminal of the first distributor is connected to one
On the grade input terminal of knockout drum and the input terminal of the second distributor；
The output terminal of second distributor is connected on the second-order separation tank；The hydrochloric acid output terminal of the level-one knockout drum connects
It is connected on hydrochloric acid collecting tank, the pinacoline output terminal of the level-one knockout drum is connected on third distributor；
The pinacoline output terminal of the second-order separation tank is connected on three-level knockout drum, the hydrochloric acid output terminal connection of the second-order separation tank
On hydrochloric acid collecting tank；The output terminal of the third distributor is connected on three-level knockout drum, the hydrochloric acid of the three-level knockout drum
Output terminal is connected on hydrochloric acid collecting tank, and the pinacoline output terminal of the three-level knockout drum is connected on pinacoline collecting tank.
2. a kind of pinacoline crude product mixing liquid separating apparatus according to claim 1, it is characterised in that：The distribution utensil
There are two output terminals, and first distributor, the second distributor and third distributor are respectively there are one tools；The level-one knockout drum tool
There are one, there are two the second-order separation tank tools, and there are three three-level knockout drum tools.
3. a kind of pinacoline crude product mixing liquid separating apparatus according to claim 1, it is characterised in that：The distributor packet
Include outer barrel, input pipe, delivery outlet, distributing slot, partition board and swingle；The outer barrel is transparent, the top edge of outer barrel
Vertical direction and being extended in outer barrel has an input pipe, is recessed inwardly to form conducting among the bottom end of the outer barrel
Supporting table is provided with a partition board, the outer barrel positioned at partition board both sides between the outer wall bottom end of the supporting table and the inner wall of outer barrel
Delivery outlet is respectively arranged on body；The distributing slot is arranged between input pipe and supporting table, and the bottom end of distributing slot is along conducting
Supporting table on be provided with a swingle, be provided with tap hole on the distributing slot, tap hole position controlled by rotating swingle
Number in partition board both sides, the fluid flow of control partition board both sides.
4. a kind of pinacoline crude product mixing liquid separating apparatus according to claim 1, it is characterised in that：The knockout drum packet
Include outer tank body, inlet tube, hydrochloric acid liquid outlet and pinacoline liquid outlet；The side of the inlet tube stretches to the centre bit of outer tank body
It puts and inlet tube is placed in the vertical direction in the center of outer tank body and the output port of inlet tube goes out liquid less than pinacoline
Mouthful, the pinacoline liquid outlet is arranged on the side of outer tank body, and the hydrochloric acid liquid outlet is arranged on the bottom end of outer tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810103237.0A CN108164405A (en) | 2018-02-01 | 2018-02-01 | A kind of pinacoline crude product mixing liquid separating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810103237.0A CN108164405A (en) | 2018-02-01 | 2018-02-01 | A kind of pinacoline crude product mixing liquid separating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108164405A true CN108164405A (en) | 2018-06-15 |
Family
ID=62512981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810103237.0A Pending CN108164405A (en) | 2018-02-01 | 2018-02-01 | A kind of pinacoline crude product mixing liquid separating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108164405A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432821A (en) * | 2018-12-11 | 2019-03-08 | 南通鸿富达利化工有限公司 | A kind of pinacoline production by-product decoloration device |
| CN110452108A (en) * | 2019-08-14 | 2019-11-15 | 南通鸿富达利化工有限公司 | A kind of pinacoline production product separating technique |
| CN110523107A (en) * | 2019-08-14 | 2019-12-03 | 南通鸿富达利化工有限公司 | A kind of pinacolone drying device based on calcium chloride |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR732153A (en) * | 1932-02-22 | 1932-09-14 | Improvements to liquid separators of different densities | |
| US4224252A (en) * | 1978-05-15 | 1980-09-23 | Kuraray Co., Ltd. | Production of pinacolone |
| JPS5636427A (en) * | 1979-09-03 | 1981-04-09 | Sumitomo Chem Co Ltd | Preparation of pinacolone |
| US20070262022A1 (en) * | 2004-03-29 | 2007-11-15 | Jurgen Mosler | Separating Tray for a Distillation Column |
| CN201510778U (en) * | 2009-09-29 | 2010-06-23 | 山东齐鲁石化工程有限公司 | High-efficiency layered separator of acrylonitrile unit |
| US20100288694A1 (en) * | 2009-05-15 | 2010-11-18 | Becton, Dickinson And Company | Density Phase Separation Device |
| CN105085430A (en) * | 2015-08-14 | 2015-11-25 | 重庆长风化学工业有限公司 | Reaction device for producing 2,6-dichloro benzoxazole |
| CN105503550A (en) * | 2015-12-29 | 2016-04-20 | 东南大学 | Green preparation method for compounding pinacolone |
| CN205850853U (en) * | 2016-08-12 | 2017-01-04 | 南通利奥化工科技有限公司 | The hydrochloric acid that the synthesis of a kind of pinacolone uses applies mechanically device |
| CN106334378A (en) * | 2016-08-28 | 2017-01-18 | 桂林市晶准测控技术有限公司 | Recycling method for mixed exhaust gas in synthetic leather industrial production |
-
2018
- 2018-02-01 CN CN201810103237.0A patent/CN108164405A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR732153A (en) * | 1932-02-22 | 1932-09-14 | Improvements to liquid separators of different densities | |
| US4224252A (en) * | 1978-05-15 | 1980-09-23 | Kuraray Co., Ltd. | Production of pinacolone |
| JPS5636427A (en) * | 1979-09-03 | 1981-04-09 | Sumitomo Chem Co Ltd | Preparation of pinacolone |
| US20070262022A1 (en) * | 2004-03-29 | 2007-11-15 | Jurgen Mosler | Separating Tray for a Distillation Column |
| US20100288694A1 (en) * | 2009-05-15 | 2010-11-18 | Becton, Dickinson And Company | Density Phase Separation Device |
| CN201510778U (en) * | 2009-09-29 | 2010-06-23 | 山东齐鲁石化工程有限公司 | High-efficiency layered separator of acrylonitrile unit |
| CN105085430A (en) * | 2015-08-14 | 2015-11-25 | 重庆长风化学工业有限公司 | Reaction device for producing 2,6-dichloro benzoxazole |
| CN105503550A (en) * | 2015-12-29 | 2016-04-20 | 东南大学 | Green preparation method for compounding pinacolone |
| CN205850853U (en) * | 2016-08-12 | 2017-01-04 | 南通利奥化工科技有限公司 | The hydrochloric acid that the synthesis of a kind of pinacolone uses applies mechanically device |
| CN106334378A (en) * | 2016-08-28 | 2017-01-18 | 桂林市晶准测控技术有限公司 | Recycling method for mixed exhaust gas in synthetic leather industrial production |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432821A (en) * | 2018-12-11 | 2019-03-08 | 南通鸿富达利化工有限公司 | A kind of pinacoline production by-product decoloration device |
| CN110452108A (en) * | 2019-08-14 | 2019-11-15 | 南通鸿富达利化工有限公司 | A kind of pinacoline production product separating technique |
| CN110523107A (en) * | 2019-08-14 | 2019-12-03 | 南通鸿富达利化工有限公司 | A kind of pinacolone drying device based on calcium chloride |
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