CN207662670U - A kind of valeronitrile hydrogenation pressure autoclave type sampling jar - Google Patents

A kind of valeronitrile hydrogenation pressure autoclave type sampling jar Download PDF

Info

Publication number
CN207662670U
CN207662670U CN201721719995.2U CN201721719995U CN207662670U CN 207662670 U CN207662670 U CN 207662670U CN 201721719995 U CN201721719995 U CN 201721719995U CN 207662670 U CN207662670 U CN 207662670U
Authority
CN
China
Prior art keywords
sampling jar
valve
sampling
pressure
reaction kettle
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
Application number
CN201721719995.2U
Other languages
Chinese (zh)
Inventor
王宇
王文根
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Ualloy Material Technology Co Ltd
Original Assignee
Zhejiang Ualloy Material Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Ualloy Material Technology Co Ltd filed Critical Zhejiang Ualloy Material Technology Co Ltd
Priority to CN201721719995.2U priority Critical patent/CN207662670U/en
Application granted granted Critical
Publication of CN207662670U publication Critical patent/CN207662670U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

The utility model is related to chemical apparatuses fields, more particularly to a kind of valeronitrile hydrogenation pressure autoclave type sampling jar.A kind of valeronitrile hydrogenation pressure autoclave type sampling jar, it is characterised in that:Including autoclave body, it is connected with sampling jar by being intubated under reaction kettle on the autoclave body, intubation is inserted into autoclave body and is inserted into the liquid level of material in autoclave body hereinafter, the sampling jar includes tank body and inner cavity under the reaction kettle;The sampling tank top is open there are four setting, four openings are respectively equipped with vacuum tube, plug-in type probe tube, nitrogen tube and balance pipe, the sampling jar tank base is connected under the reaction kettle equipped with trepanning and is intubated, and the balance pipe other end is connected on autoclave body.The application can not only solve reaction kettle and be sampled analysis to various materials at any time during the reaction, and can be used for feeding intake for reaction kettle small lot liquid material, can also carry out the adjustment of acid-base value to the material in reaction kettle using sampling jar.

Description

A kind of valeronitrile hydrogenation pressure autoclave type sampling jar
Technical field
The utility model is related to chemical apparatuses fields, are sampled with pressure autoclave type more particularly to a kind of valeronitrile hydrogenation Tank.
Background technology
Chemical reaction process and reactor are the key links in Chemical Manufacture flow, and the design and use of reactor are often It plays a very important role.
Tank reactor is the most common type reactor, for realizing single liquid phase reaction process and liquid liquid, gas-liquid, liquid Gu, the heterogeneous reaction process such as gas-liquid-solid.Its top is equipped with an agitating device, so that material is uniformly mixed in kettle, has on head cover more A nozzle, for reaction mass or measuring temperature, pressure etc. to be added.Some reactors are equipped with chuck outside cylinder, are used for adding But, setting coil pipe is to increase heat transfer area also in some reactors for hot and cold.Tank reactor operation is flexible, is adaptable to difference Production under operating condition.
At present in industrialized production, tank reactor is used(Autoclave sampling jar described in the utility model, is only applicable to kettle Formula reactor)It is commonplace to produce product.In order to ensure that the purity and quality of product, material have at any time during the reaction Monitoring and sampling analysis, just can ensure that each batch, each step reaction mass reach standard requirement.Due to tank reactor major part All it is closed pressure vessel with pressure, in process of production often with certain temperature and pressure, it is desirable in reactor It is sampled during material reaction, it is necessary to first cool down, pressure release, then stop reaction, valve opening sampling, end heats up, pressurizes again The reaction was continued.Such operation not only wastes the production time significantly, and affects the process of material reaction, final shadow Ring the conversion ratio to product so that the production capacity and quality of product are restricted.Also the problem in safety operation is brought.
Valeronitrile product is inflammable, and 28 DEG C of flash-point, raw hydrogen is inflammable, valeronitrile and hydrogen mixed with air can be formed it is explosive mixed Object is closed, burning, explosion easily occur for the severe open fire of heat.Valeronitrile hydrogenation carries out in closed hydriding reactor, and reaction temperature 90 ~ 100 DEG C, 1.0 ~ 1.5MPa of hydrogenation reaction pressure belongs to high-temperature high-voltage reaction.In order to monitor the raw material conversion of valeronitrile hydrogenation Rate and product quality need timing to material sampling analysis in autoclave, and in order to ensure safety, design is closed, has nitrogen guarantor The pressure autoclave type sampling jar of shield.
In view of this, the present inventor studies this, a kind of valeronitrile hydrogenation pressure autoclave type is specially developed Thus sampling jar, this case generate.
Invention content
The purpose of this utility model is to provide a kind of valeronitrile hydrogenation pressure autoclave type sampling jar, can be according to reaction kettle The response situation of middle material, sampling analysis at any time, avoid first to cool down, pressure release, then stop reaction, risen again after valve opening sampling The repetitive operations such as temperature, the interruption of pressurization.To achieve the goals above, the solution of the utility model is:
A kind of valeronitrile hydrogenation pressure autoclave type sampling jar, including autoclave body, the autoclave body under reaction kettle by being intubated It is connected with sampling jar, intubation is inserted into autoclave body and is inserted into the liquid level of material in autoclave body hereinafter, described under the reaction kettle Sampling jar includes tank body and inner cavity;The sampling tank top set there are four opening, four opening be respectively equipped with vacuum tube, Plug-in type probe tube, nitrogen tube and balance pipe, the sampling jar tank base, which is equipped with, to be intubated under the connection reaction kettle Trepanning.
Described plug-in type probe tube one end is angular cut and is inserted into the inner cavity of sampling jar, and the other end is straight bend pipe;It is described Plug-in type probe tube be equipped with sampling valve.The straight bend pipe is a kind of pipeline obtained by 90 degree of bendings of straight pipeline.
The nitrogen tube is equipped with nitrogen valve, is additionally provided with pressure pipe in the nitrogen tube, the pressure pipe is equipped with Pressure valve and pressure gauge.
The balance pipe is equipped with balanced valve and reaction kettle upper valve, and the other end of the balance pipe is connected to autoclave body On.
The vacuum tube is equipped with vacuum valve.
The sampling pot bottom is equipped with bottom valve.
The operation principle of above-mentioned valeronitrile hydrogenation pressure autoclave type sampling jar:By the way that air in sampling jar is replaced as nitrogen Gas ensures sampling safety, using the vacuum pressure in the pressure itself in reaction kettle either sampling jar, by the object in reaction kettle In material indentation sampling jar, material is taken out by sampling valve, surplus material returns after balancing pressure by the balance pipe of connection in tank Into reactor.So that sampling jar is generated vacuum again, the solvent cleaning sampling jar of cleaning is sucked from plug-in type probe tube, using flat It weighs after pipe balance pressure, cleaning solvent is made to return in reaction kettle.As needed, operation is may be repeated, until reaching requirement, really It is representative to protect the sample taken out.
The innovative point of the utility model is mainly reflected in, and nitrogen tube and mating valve are 1. increased on sampling jar:Purpose It is that nitrogen displacement can be carried out to sampling jar, material in kettle is pressed into sampling jar under nitrogen protection, while in nitrogen before sampling By in material indentation sampling cup in sampling jar under protection, sampling process is completed, ensures sampling safety.2. being increased on sampling jar Balance pipe between hydrogenation reaction cauldron, there are two purposes:1. using the reaction pressure in hydriding reactor, it is about to material pressure in kettle certainly Enter sampling jar, while balance tube valve can be opened, the material in sampling jar is put back in hydriding reactor, it is repeated multiple times, hydrogenation can be used Liquid cleans sampling jar, is replaced, and the sample that guarantee obtains is representative.2. after sampling, balance pipe can be opened Valve puts back to surplus material in sampling jar in hydriding reactor, neither wastes product and can guarantee safety in kettle simultaneously.
A kind of valeronitrile hydrogenation pressure autoclave type sampling jar of the utility model can not only solve reaction kettle and react Analysis is sampled to various materials at any time in the process, and can be used for feeding intake for reaction kettle small lot liquid material, may be used also The adjustment of acid-base value is carried out to the material in reaction kettle using sampling jar.A kind of valeronitrile hydrogenation autoclave of the application Formula sampling jar has the function of above-mentioned purposes and different.And it can ensure the continuous production of reactor, while ensure to sample The normal reaction for not influencing material, to substantially increase the quality of product and the security reliability of operation.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of valeronitrile hydrogenation pressure autoclave type sampling jar of embodiment 1;
Fig. 2 is the sectional view of the sampling jar of embodiment 1;
Fig. 3 is the vertical view of the sampling jar of embodiment 1;
Wherein label:1. sampling jar;11. plug-in type probe tube;111. sampling valve;12 nitrogen tubes;121. nitrogen valve;122. Pressure valve;123. pressure gauge;124. pressure pipe;13. vacuum tube;131. vacuum valve;14. balance pipe;141. balanced valve;142. anti- Answer kettle upper valve;15. tank body;16. inner cavity;2. autoclave body;3. being intubated under reaction kettle;31. bottom valve.
Specific implementation mode
Embodiment 1
With reference to Fig. 1 to Fig. 3, a kind of valeronitrile hydrogenation reaction cauldron of the utility model is specifically described.
A kind of valeronitrile hydrogenation pressure autoclave type sampling jar, it is characterised in that:Including autoclave body 2, the autoclave body 2 passes through Intubation 3 is connected with sampling jar 1 under reaction kettle, and intubation 3 is inserted into autoclave body 2 and is inserted into material in autoclave body 2 under the reaction kettle Liquid level is hereinafter, the sampling jar 1 includes tank body 15 and inner cavity 16;15 top of sampling tank is set there are four opening, Four openings are respectively equipped with vacuum tube 13, plug-in type probe tube 11, nitrogen tube 12 and balance pipe 14, the sampling tank 15 Bottom is connected under the reaction kettle equipped with trepanning and is intubated 3.
Described 11 one end of plug-in type probe tube is angular cut and is inserted into the inner cavity 16 of sampling jar, and the other end is straight bend pipe; The plug-in type probe tube 11 is equipped with sampling valve 111.
The nitrogen tube 12 is equipped with nitrogen valve 121, and pressure pipe, the pressure pipe are additionally provided in the nitrogen tube 12 It is equipped with pressure valve 122 and pressure gauge 123.
The balance pipe 14 is equipped with balanced valve 141 and reaction kettle upper valve 142, and the other end of the balance pipe 14 connects It is connected on autoclave body 2.
The vacuum tube 13 is equipped with vacuum valve 131.
1 bottom of sampling jar is equipped with bottom valve 31.
The operation principle of above-mentioned valeronitrile hydrogenation pressure autoclave type sampling jar:By the way that air in sampling jar is replaced as nitrogen Gas ensures sampling safety, will be in reaction kettle using the vacuum pressure in the pressure itself in reaction kettle either sampling jar 1 Material is pressed into sampling jar, is taken out material by sampling valve 111,14 balance pressure of balance pipe that surplus material passes through connection in tank It is returned in reactor after power.So that sampling jar 1 is generated vacuum again, the solvent cleaning sampling of cleaning is sucked from plug-in type probe tube 11 Tank 1 makes cleaning solvent return in reaction kettle after balancing pressure using balance pipe 14.As needed, operation is may be repeated, directly To reaching requirement, it is ensured that the sample of taking-up is representative.
A kind of valeronitrile hydrogenation pressure autoclave type sampling jar, it is right at any time during the reaction can not only to solve reaction kettle Various materials are sampled analysis, and can be used for feeding intake for reaction kettle small lot liquid material, can also utilize sampling jar 1 The adjustment of acid-base value is carried out to the material in reaction kettle.A kind of reaction kettle of the application has above-mentioned purposes and different work( Energy.And it can ensure the continuous production of reactor, while ensure that sampling does not influence the normal reaction of material, to greatly improve The quality of product and the security reliability of operation.
Embodiment 2
Operating process of the reaction kettle as normal pressure tank reactor described in embodiment:
1-1. nitrogen is replaced:Close sampling jar on bottom valve 31, balanced valve 141,142, nitrogen valve 121, vacuum valve 131, Sampling valve 111.Vacuum valve 131 is opened, is vacuumized into sampling jar 1, vacuum valve is closed according to the pressure that pressure gauge on tank indicates 131, the slightly pressure into sampling jar 1 of nitrogen valve 121 is opened, nitrogen is closed according to the pressure that pressure gauge 123 on sampling jar 1 indicates Valve 121,3 times repeatedly.
1-2, sampling:Vacuum valve 131 is opened, is vacuumized into sampling jar 1, is closed according to the pressure that pressure gauge on tank indicates Vacuum valve 131 opens the bottom valve 31 on sampling jar, and the material in reaction kettle is entered by being intubated 3 under reaction kettle in sampling jar 1, Bottom valve 31 is closed according to the pressure that pressure gauge 123 on sampling jar 1 indicates, balanced valve 141,142 is opened, makes reaction kettle and sampling jar Pressure balance opens the bottom valve 31 on sampling jar when pressure gauge registration no longer changes, and material is made to return kettle, closes on sampling jar Bottom valve 31, balanced valve 141,142, nitrogen valve 121, vacuum valve 131, sampling valve 111 and vacuum valve 131,3 times repeatedly.It closes Reaction kettle upper valve 142 on reaction kettle, close sampling jar on bottom valve 31, balanced valve 141,142, nitrogen valve 121, vacuum valve 131, sampling valve 111.Vacuum valve 131 is opened, is vacuumized into sampling jar 1, is closed according to the pressure that pressure gauge on tank indicates true Empty valve 131 opens the bottom valve 31 of sampling jar 1, and the material in reactor is entered by being intubated 3 under reaction kettle in sampling jar 1, according to The pressure that pressure gauge 123 indicates on sampling jar 1 closes bottom valve 31.The slightly pressure into sampling jar 1 of nitrogen valve 121 is opened, according to The pressure that pressure gauge 123 indicates on sampling jar 1 closes nitrogen valve 121.It gets out sampling cup and is connected on 11 nozzle of plug-in type probe tube, Sampling valve 111 is slowly opened, material is extruded from sampling jar 1, and a certain amount of material is taken to enter in cup, and sampling terminates, and closes sampling Valve 111, then open kettle upper valve 142 on reactor, opens balanced valve 141, bottom valve 31 on sampling jar 1, remaining in sampling jar 1 Material, which comes back in reactor, to react.
1-3, cleaning:Close reaction kettle upper valve 142, close bottom valve 31 on sampling jar 1, balanced valve 141, nitrogen valve 121, Vacuum valve 131, sampling valve 111.Vacuum valve 131 is opened, vacuumizes into sampling jar 1, is referred to according to pressure gauge 123 on sampling jar 1 The pressure shown closes vacuum valve 131, gets out cleaning solvent, slowly opens sampling valve 111, a certain amount of cleaning solvent is sucked In sampling jar 1, sampling valve 111 is closed according to the pressure that pressure gauge 123 on sampling jar 1 indicates.Certain time is waited for, reaction is opened Device kettle kettle upper valve 142, opens balanced valve 141, bottom valve 31 on sampling jar 1, and the solvent washed in sampling jar 1 returns to reactor In.According to product needs, operation is may be repeated, until sampling jar 1 cleans up.
Embodiment 3
Operating process of the reaction kettle as tank reactor with pressure described in embodiment:
2-1. nitrogen is replaced:Close sampling jar on bottom valve 31, balanced valve 141,142, nitrogen valve 121, vacuum valve 131, Sampling valve 111.Vacuum valve 131 is opened, is vacuumized into sampling jar 1, vacuum valve is closed according to the pressure that pressure gauge on tank indicates 131, the slightly pressure into sampling jar 1 of nitrogen valve 121 is opened, nitrogen is closed according to the pressure that pressure gauge 123 on sampling jar 1 indicates Valve 121, repeatedly for three times.
2-2, sampling:Close reaction kettle upper valve 142, balanced valve 141, nitrogen valve 121, vacuum valve 131, sampling valve 111.It beats The bottom valve 31 of sampling jar is opened, the material in reactor is pressed by being intubated under reaction kettle in 3 indentation sampling jars 1 according on sampling jar 1 The pressure that power table 123 indicates closes bottom valve 31, opens balanced valve 141,142, makes reaction kettle and sampling jar pressure balance, wait for pressure When indicating that number no longer changes, the bottom valve 31 on sampling jar is opened, material is made to return kettle, is closed on balanced valve 141,142 and sampling jar Bottom valve 31;Vacuum valve 131 is opened, is vacuumized into sampling jar 1, vacuum valve is closed according to the pressure that pressure gauge on tank indicates 131, the bottom valve 31 on sampling jar is opened, the material in reaction kettle enters by being intubated 3 under reaction kettle in sampling jars 1, according to taking The pressure that pressure gauge 123 indicates on sample tank 1 closes bottom valve 31, opens balanced valve 141,142, keeps reaction kettle and sampling pressure tank flat Weighing apparatus opens the bottom valve 31 on sampling jar when pressure gauge registration no longer changes, and material is made to return kettle, closes the bottom valve on sampling jar 31, balanced valve 141,142, nitrogen valve 121, vacuum valve 131, sampling valve 111 and vacuum valve 131,2 times repeatedly;Open vacuum valve 131, it is vacuumized into sampling jar 1, vacuum valve 131 is closed according to the pressure that pressure gauge on tank indicates, opens the bottom valve of sampling jar 1 31, the material in reactor is entered by being intubated 3 under reaction kettle in sampling jars 1, is indicated according to pressure gauge 123 on sampling jar 1 Pressure closes bottom valve 31.The slightly pressure into sampling jar 1 of nitrogen valve 121 is opened, is indicated according to pressure gauge 123 on sampling jar 1 Pressure closes nitrogen valve 121.Get out sampling cup and be connected on 11 nozzle of plug-in type probe tube, slowly open sampling valve 111, material from It is extruded in sampling jar 1, a certain amount of material is taken to enter in cup, sampling terminates, and closes sampling valve 111, then open on reactor on kettle Valve 142 opens balanced valve 141, bottom valve 31 on sampling jar 1, and remaining material in sampling jar 1 is made to come back in reactor instead It answers.
2-3, cleaning:Close reaction kettle upper valve 142, close bottom valve 31 on sampling jar, balanced valve 141, nitrogen valve 121, Vacuum valve 131, sampling valve 111.Vacuum valve 131 is opened, vacuumizes into sampling jar 1, is referred to according to pressure gauge 123 on sampling jar 1 The pressure shown closes vacuum valve 131, gets out cleaning solvent, slowly opens sampling valve 111, a certain amount of cleaning solvent is sucked In sampling jar 1, sampling valve 111 is closed according to the pressure that pressure gauge 123 on sampling jar 1 indicates.Opening nitrogen valve 121 makes sampling jar 1 The nitrogen for inside reaching certain pressure turns off nitrogen valve 3, opens vacuum valve 4, is vacuumized into sampling jar 1, is pressed according on sampling jar 1 The pressure that power table 123 indicates closes vacuum valve 131, then opens nitrogen valve 121 and make the nitrogen for reaching certain pressure in sampling jar 1, closes Fall nitrogen valve 121(Nitrogen displaced air is so used, can be needed not replace or replace repeatedly according to product), open reaction kettle upper valve 142, balanced valve 141, the bottom valve 31 on sampling jar 1 are opened, the solvent washed in sampling jar 1 returns in reactor.As needed, Operation is may be repeated, until sampling jar 1 cleans up.
Embodiment 4
Reaction kettle described in embodiment is used for the behaviour of the dosing operation and adjustment acid-base value of the liquid material of autoclave sampling jar Make:
Close reaction kettle upper valve 142, bottom valve 31, balanced valve 141 on closing sampling jar, nitrogen valve 121, sampling valve 111. Vacuum valve 131 is opened, is vacuumized into sampling jar 1, vacuum valve is closed according to the pressure that pressure gauge 123 on sampling jar 1 indicates 131, prepare to need the liquid material being added or need to adjust the acid solution or lye of acid-base value, opens sampling valve 111, it will be certain In the material sucking sampling jar 1 of amount, sampling valve 111 is closed according to the pressure that pressure gauge 123 on sampling jar 1 indicates.Open nitrogen valve 121 make the nitrogen for reaching certain pressure in sampling jar 1, turn off nitrogen valve 121, open vacuum valve 131, are vacuumized into sampling jar 1, Vacuum valve 131 is closed according to the pressure that pressure gauge 123 on sampling jar 1 indicates, then open nitrogen valve 121 to make to reach one in sampling jar 1 The nitrogen of constant-pressure turns off nitrogen valve 121(Nitrogen displaced air is so used, can be needed not replace or replace according to product more It is secondary), reaction kettle upper valve 142 is opened, the balanced valve 141 on sampling jar 1 is opened, is required according to specific, bottom valve 31, control are adjusted The flow and speed that material is added, material is slowly added in reaction kettle, until terminating.
The product form and style of above-described embodiment and schema and non-limiting the utility model, any technical field The appropriate changes or modifications that those of ordinary skill does it all should be regarded as the patent category for not departing from the utility model.

Claims (7)

1. a kind of valeronitrile hydrogenation pressure autoclave type sampling jar, it is characterised in that:Including autoclave body, the autoclave body passes through reaction Intubation is connected with sampling jar under kettle, under the reaction kettle intubation be inserted into autoclave body and be inserted into the liquid level of material in autoclave body with Under, the sampling jar includes tank body and inner cavity;The sampling tank top is set there are four opening, and four openings are set respectively There are vacuum tube, plug-in type probe tube, nitrogen tube and balance pipe, the sampling jar tank base to be equipped with the connection reaction kettle The trepanning of lower intubation.
2. a kind of valeronitrile hydrogenation pressure autoclave type sampling jar as described in claim 1, it is characterised in that:The insertion Formula probe tube one end is angular cut and is inserted into the inner cavity of sampling jar, and the other end is straight bend pipe;The plug-in type probe tube is equipped with Sampling valve.
3. a kind of valeronitrile hydrogenation pressure autoclave type sampling jar as described in claim 1, it is characterised in that:The nitrogen Pipe is equipped with nitrogen valve.
4. a kind of valeronitrile hydrogenation pressure autoclave type sampling jar as described in claim 1, it is characterised in that:The nitrogen Pipe is equipped with pressure pipe, and the pressure pipe is equipped with pressure valve and pressure gauge.
5. a kind of valeronitrile hydrogenation pressure autoclave type sampling jar as described in claim 1, it is characterised in that:The balance Pipe is equipped with balanced valve and reaction kettle upper valve, and the other end of the balance pipe is connected on autoclave body.
6. a kind of valeronitrile hydrogenation pressure autoclave type sampling jar as described in claim 1, it is characterised in that:The vacuum Pipe is equipped with vacuum valve.
7. a kind of valeronitrile hydrogenation pressure autoclave type sampling jar as described in claim 1, it is characterised in that:The sampling Pot bottom is equipped with bottom valve.
CN201721719995.2U 2017-12-12 2017-12-12 A kind of valeronitrile hydrogenation pressure autoclave type sampling jar Active CN207662670U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721719995.2U CN207662670U (en) 2017-12-12 2017-12-12 A kind of valeronitrile hydrogenation pressure autoclave type sampling jar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721719995.2U CN207662670U (en) 2017-12-12 2017-12-12 A kind of valeronitrile hydrogenation pressure autoclave type sampling jar

Publications (1)

Publication Number Publication Date
CN207662670U true CN207662670U (en) 2018-07-27

Family

ID=62940058

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721719995.2U Active CN207662670U (en) 2017-12-12 2017-12-12 A kind of valeronitrile hydrogenation pressure autoclave type sampling jar

Country Status (1)

Country Link
CN (1) CN207662670U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110261173A (en) * 2019-06-05 2019-09-20 南京康立瑞生物科技有限公司 A kind of reaction kettle on-line period device convenient for operation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110261173A (en) * 2019-06-05 2019-09-20 南京康立瑞生物科技有限公司 A kind of reaction kettle on-line period device convenient for operation

Similar Documents

Publication Publication Date Title
CN110845334B (en) Device and method for producing battery-grade ethyl methyl carbonate by using dimethyl carbonate and ethanol
CN104897517B (en) A kind of metal/water reaction hydrogen manufacturing experimental provision
CN207662670U (en) A kind of valeronitrile hydrogenation pressure autoclave type sampling jar
CN207667629U (en) A kind of safe and efficient alkoxylating catalyst preparation system
CN107628987A (en) A kind of method of membrane reactor production 2,2` bipyridyls
CN105080427B (en) A kind of HTHP water-cooled can weigh reactor
CN205323751U (en) Detachable reation kettle of supersound mechanical stirring conversion
CN206199214U (en) A kind of measuring tank in isotretinoin production technology
CN203540491U (en) Reactor for preparing antimony pentafluoride
CN208742561U (en) A kind of composite ferric sulfate polymer production equipment
CN203556362U (en) Detachable reaction kettle
CN106766910B (en) High-temperature corrosion-resistant vacuum synthesis furnace and process method thereof
CN206731150U (en) Pressurize flask and heating experimental device
CN205392408U (en) Laboratory is with high -efficient glass reactor of control by temperature change type
CN114988376A (en) Method for producing lithium amide
CN201959784U (en) Electric heating constant-temperature chemical reaction tank
CN201419095Y (en) Spray polymerization reaction kettle with sensing thermometer
CN207694775U (en) A kind of chemical reaction kettle of carrying vapour condensate recycling device
CN207254318U (en) Reaction unit with characteristic drain hole down
CN208554186U (en) A kind of spinningization auxiliary agent process units
CN206121758U (en) Chemical reaction container
CN209231790U (en) A kind of material position balancing device for fumed silica depickling
CN212882392U (en) Reaction device for continuously producing corresponding Grignard reagent by using halogenated hydrocarbon as raw material
CN109012542A (en) The reaction kettle structure of thermal energy utilization rate in a kind of raising kettle
CN210700050U (en) Production pharmaceutic adjuvant's electrical heating reation kettle

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant