CN112587947A - Method and device for separating crude furfuryl alcohol and waste catalyst in furfuryl alcohol production - Google Patents
Method and device for separating crude furfuryl alcohol and waste catalyst in furfuryl alcohol production Download PDFInfo
- Publication number
- CN112587947A CN112587947A CN202011532608.0A CN202011532608A CN112587947A CN 112587947 A CN112587947 A CN 112587947A CN 202011532608 A CN202011532608 A CN 202011532608A CN 112587947 A CN112587947 A CN 112587947A
- Authority
- CN
- China
- Prior art keywords
- furfuryl alcohol
- tank
- pipeline
- jar
- catalyst
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/009—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in combination with chemical reactions
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/38—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/40—Radicals substituted by oxygen atoms
- C07D307/42—Singly bound oxygen atoms
- C07D307/44—Furfuryl alcohol
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
The invention discloses a method and a device for separating crude furfuryl alcohol and a waste catalyst in furfuryl alcohol production, which comprises a mixing tank, a hydrogen tank, a heat source, a feeding hole, a condenser, a distillation tank, a first outlet, an acidification tank, an activation tank and a second outlet; the method and the device can separate the furfural mixed with the catalyst, improve the utilization rate of the feed liquid, and directly refine the crude furfuryl alcohol liquid obtained by separation to obtain furfuryl alcohol; the separated solid residue of the waste catalyst is easy to store, and the pollution of the original liquid waste to the environment is avoided; the method and the device can reduce the energy consumption of raw materials, improve the yield of furfuryl alcohol products, realize energy conservation and emission reduction, and create good economic benefits.
Description
Technical Field
The invention relates to the technical field of intelligent disinfection, in particular to a method and a device for separating coarse furfuryl alcohol and a waste catalyst in furfuryl alcohol production.
Background
The preparation method of furfuryl alcohol mainly comprises a gas phase hydrogenation method and a liquid phase hydrogenation method, and the liquid phase hydrogenation method is adopted in the existing chemical production, namely furfural and excessive hydrogen are subjected to reduction hydrogenation under the action of a catalyst under the conditions of high temperature and high pressure to react to generate furfuryl alcohol. In the process of generating furfuryl alcohol by furfural hydrogenation, due to the limitation of catalysts and reaction conditions, trace side reactions are generated in addition to the generation of furfuryl alcohol, such as tetrahydrofurfuryl alcohol, 2-methylfuran and other resin substances, and hydrogen and solid catalysts are also generated. The crude furfuryl alcohol generated by hydrogenation reaction is subjected to natural sedimentation or mechanical filtration to remove the solid catalyst, and then the finished furfuryl alcohol is obtained by rectification. Although the existing process can produce the crude furfuryl alcohol, the problems of high finished product consumption, large economic loss and high energy consumption exist.
Based on various defects of the prior art, a method and a device for separating crude furfuryl alcohol and a waste catalyst in furfuryl alcohol production are urgently needed to solve the problems.
Disclosure of Invention
The invention aims to provide a method and a device for separating crude furfuryl alcohol and a waste catalyst in furfuryl alcohol production, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a separate device of crude furfuryl alcohol and spent catalyst in furfuryl alcohol production, includes blending tank, hydrogen gas jar, heat source, feed inlet, condenser, retort, first export, acidizing jar, activation jar, second export, hydrogen gas jar, heat source all are connected with the blending tank through the pipeline, the feed inlet sets up on the blending tank, the one end of condenser is passed through the pipeline and is connected with the blending tank, the other end of condenser passes through the pipeline and is connected with the retort, first export setting is in retort one side, the one end of acidizing jar is passed through the pipeline and is connected with the blending tank, the one end of acidizing jar is passed through the pipeline and is connected with the activation jar, the second export sets up in activation jar one side.
Preferably, a pressure relief valve is arranged on the mixing tank.
Preferably, the condenser is provided with a steam inlet, a liquid outlet and a cooling water outlet, the steam inlet is connected with the mixing tank through a pipeline, and the liquid outlet is connected with the distillation retort through a pipeline.
A method for separating crude furfuryl alcohol and waste catalyst device in furfuryl alcohol production, 1) add furfuryl alcohol mixed with catalyst into the blending tank through the feed inlet at first, add hydrogen into the blending tank through the hydrogen tank, add steam into the blending tank through the heat source, when the pressure in the blending tank is too great, open the relief valve and relieve pressure; 2) after full reaction, feeding the crude furfuryl alcohol into a condenser in a gas form, cooling, feeding the crude furfuryl alcohol into a distillation tank, and distilling to obtain a crude furfuryl alcohol finished product from a first outlet; 3) and (3) putting the residual solid in the mixing tank into an acidification tank for acidification reaction to obtain a waste catalyst semi-finished product, and putting the waste catalyst semi-finished product into an activation tank for activation reaction to obtain a waste catalyst finished product.
Has the advantages that: compared with the prior art, the invention has the beneficial effects that: the method and the device can separate the furfural mixed with the catalyst, improve the utilization rate of the feed liquid, and directly refine the crude furfuryl alcohol liquid obtained by separation to obtain furfuryl alcohol; the separated solid residue of the waste catalyst is easy to store, and the pollution of the original liquid waste to the environment is avoided; the method and the device can reduce the energy consumption of raw materials, improve the yield of furfuryl alcohol products, realize energy conservation and emission reduction, and create good economic benefits.
Drawings
Fig. 1 is a schematic structural diagram of a method and an apparatus for separating crude furfuryl alcohol and a spent catalyst in furfuryl alcohol production according to the present invention.
In the drawings: the device comprises a mixing tank 1, a hydrogen tank 2, a heat source 3, a feed inlet 4, a condenser 5, a distillation tank 6, a first outlet 7, an acidification tank 8, an activation tank 9 and a second outlet 10.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Examples
Referring to the attached drawings, in the embodiment of the invention, the device for separating crude furfuryl alcohol and a waste catalyst in furfuryl alcohol production comprises a mixing tank 1, a hydrogen tank 2, a heat source 3, a feed inlet 4, a condenser 5, a distillation tank 6, a first outlet 7, an acidification tank 8, an activation tank 9 and a second outlet 10, wherein the hydrogen tank 2 and the heat source 3 are both connected with the mixing tank 1 through pipelines, the feed inlet 4 is arranged on the mixing tank 1, one end of the condenser 5 is connected with the mixing tank 1 through a pipeline, the other end of the condenser 5 is connected with the distillation tank 6 through a pipeline, the first outlet 7 is arranged on one side of the distillation tank 6, one end of the acidification tank 8 is connected with the mixing tank 1 through a pipeline, one end of the acidification tank 8 is connected with the activation tank 9 through a pipeline, and the second outlet 10 is arranged on one side of the activation tank 9.
Further, a pressure release valve is arranged on the mixing tank 1.
Further, a steam inlet, a liquid outlet and a cooling water outlet are arranged on the condenser 5, the steam inlet is connected with the mixing tank 1 through a pipeline, and the liquid outlet is connected with the distillation tank 6 through a pipeline.
A method for separating crude furfuryl alcohol from a waste catalyst device in furfuryl alcohol production comprises the following steps: 1) firstly, furfural mixed with a catalyst is added into a mixing tank 1 through a feeding hole 4, hydrogen is added into the mixing tank 1 through a hydrogen tank 2, steam is added into the mixing tank 1 through a heat source 3, and when the pressure in the mixing tank 1 is too high, a pressure release valve is opened to release the pressure; 2) after full reaction, the crude furfuryl alcohol enters a condenser in a gas form, and after the crude furfuryl alcohol 5 is cooled, the crude furfuryl alcohol enters a distillation tank 6 for distillation, and then a crude furfuryl alcohol finished product can be obtained from a first outlet 7; 3) and the residual solid in the mixing tank 1 enters an acidification tank 8 for acidification reaction to obtain a waste catalyst semi-finished product, and then the waste catalyst semi-finished product enters an activation tank 9 for activation reaction to obtain a waste catalyst finished product.
The method and the device can separate the furfural mixed with the catalyst, improve the utilization rate of the feed liquid, and directly refine the crude furfuryl alcohol liquid obtained by separation to obtain furfuryl alcohol; the separated solid residue of the waste catalyst is easy to store, and the pollution of the original liquid waste to the environment is avoided; the method and the device can reduce the energy consumption of raw materials, improve the yield of furfuryl alcohol products, realize energy conservation and emission reduction, and create good economic benefits.
The above embodiments are provided to further explain the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present invention, unless otherwise expressly stated or limited, the first feature may be present on or under the second feature in direct contact with the first and second feature, or may be present in the first and second feature not in direct contact but in contact with another feature between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (4)
1. A device for separating crude furfuryl alcohol and waste catalyst in furfuryl alcohol production is characterized in that: including blending tank, hydrogen gas jar, heat source, feed inlet, condenser, retort, first export, acidizing jar, activation jar, second export, hydrogen gas jar, heat source all are connected with the blending tank through the pipeline, the feed inlet sets up on the blending tank, the one end of condenser is passed through the pipeline and is connected with the blending tank, the other end of condenser passes through the pipeline and is connected with the retort, first export setting is in retort one side, the one end of acidizing jar is passed through the pipeline and is connected with the blending tank, the one end of acidizing jar is passed through the pipeline and is connected with the activation jar, the second export sets up in activation jar one side.
2. The apparatus for separating crude furfuryl alcohol from spent catalyst in furfuryl alcohol production as claimed in claim 1, wherein: and a pressure release valve is arranged on the mixing tank.
3. The apparatus for separating crude furfuryl alcohol from spent catalyst in furfuryl alcohol production as claimed in claim 1, wherein: the condenser is provided with a steam inlet, a liquid outlet and a cooling water outlet, the steam inlet is connected with the mixing tank through a pipeline, and the liquid outlet is connected with the distillation retort through a pipeline.
4. A method for an apparatus for separating crude furfuryl alcohol and spent catalyst in the production of furfuryl alcohol as claimed in any one of claims 1 to 3, characterized in that: 1) firstly, adding furfural mixed with a catalyst into a mixing tank through a feed inlet, adding hydrogen into the mixing tank through a hydrogen tank, adding steam into the mixing tank through a heat source, and opening a pressure release valve to release pressure when the pressure in the mixing tank is overlarge; 2) after full reaction, feeding the crude furfuryl alcohol into a condenser in a gas form, cooling, feeding the crude furfuryl alcohol into a distillation tank, and distilling to obtain a crude furfuryl alcohol finished product from a first outlet; 3) and (3) putting the residual solid in the mixing tank into an acidification tank for acidification reaction to obtain a waste catalyst semi-finished product, and putting the waste catalyst semi-finished product into an activation tank for activation reaction to obtain a waste catalyst finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011532608.0A CN112587947A (en) | 2020-12-21 | 2020-12-21 | Method and device for separating crude furfuryl alcohol and waste catalyst in furfuryl alcohol production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011532608.0A CN112587947A (en) | 2020-12-21 | 2020-12-21 | Method and device for separating crude furfuryl alcohol and waste catalyst in furfuryl alcohol production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112587947A true CN112587947A (en) | 2021-04-02 |
Family
ID=75200526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011532608.0A Pending CN112587947A (en) | 2020-12-21 | 2020-12-21 | Method and device for separating crude furfuryl alcohol and waste catalyst in furfuryl alcohol production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112587947A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102311411A (en) * | 2011-07-07 | 2012-01-11 | 宏业生化股份有限公司 | Method and device for separating coarse furfuryl alcohol from dead catalyst in furfuryl alcohol production |
| CN104174403A (en) * | 2014-07-22 | 2014-12-03 | 石家庄恒昌环保科技有限公司 | Recycling method of waste furfuralcohol catalyst |
| CN109020929A (en) * | 2018-07-30 | 2018-12-18 | 河南心连心化肥有限公司 | A kind of crude furfuryl alcohol separator and its separating technology |
-
2020
- 2020-12-21 CN CN202011532608.0A patent/CN112587947A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102311411A (en) * | 2011-07-07 | 2012-01-11 | 宏业生化股份有限公司 | Method and device for separating coarse furfuryl alcohol from dead catalyst in furfuryl alcohol production |
| CN104174403A (en) * | 2014-07-22 | 2014-12-03 | 石家庄恒昌环保科技有限公司 | Recycling method of waste furfuralcohol catalyst |
| CN109020929A (en) * | 2018-07-30 | 2018-12-18 | 河南心连心化肥有限公司 | A kind of crude furfuryl alcohol separator and its separating technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101386564B (en) | Technique for synthesizing methanol by hydrogen and carbon dioxide | |
| JP2008539285A5 (en) | ||
| CN103113187B (en) | By the method for acetic acid ethanol co-production ethyl acetate | |
| CN102311342A (en) | Method for producing 1,6-dimethyl adipate | |
| CN114272871A (en) | System and method for preparing NMP (N-methyl pyrrolidone) by taking maleic anhydride as raw material | |
| CN107987037B (en) | Method for preparing epoxypropane in unit mode | |
| CN103772174B (en) | The method that acetone is prepared in aqueous isopropanol low-temperature gaseous phase dehydrogenation | |
| CN202297421U (en) | Device for producing ethylene glycol by using metallurgical tail gas | |
| CN112587947A (en) | Method and device for separating crude furfuryl alcohol and waste catalyst in furfuryl alcohol production | |
| CN105602612B (en) | Method for hydrofinishing biological crude oil by using high temperature gas cooled reactor | |
| CN216756389U (en) | System for use maleic anhydride as raw materials preparation NMP | |
| CN104557390A (en) | Method for coproducing and synthesizing liquid methane from methanol purge gas | |
| CN105061214A (en) | Production process of N,N'-di-sec-butyl-1,4-phenylenediamine | |
| CN108707064B (en) | Production method for co-producing dimethyl ether by using blast furnace gas | |
| CN109847555B (en) | Device and method for recovering multiple gases in catalytic dry gas based on hydrate method | |
| CN2898018Y (en) | Producer of cyclohexane from pure oxygen | |
| CN112479858A (en) | Methanol carbonylation enhanced reaction system and process with aldehyde recovery function | |
| CN209778706U (en) | Continuous system for catalyzing esterification of low-boiling-point alcohol by solid acid | |
| CN104672065A (en) | Method for producing MTBE from high-concentration isobutene by adopting mixed phase bed reactor | |
| CN216499225U (en) | Production device of 2-methylpyridine | |
| CN218130037U (en) | DMMn separation equipment | |
| CN103435454B (en) | Method for preparing dimethyl ether through methanol dehydration | |
| WO2014084794A1 (en) | A method and assembly for the production of hydrogen gas | |
| CN203269812U (en) | Production device for increasing conversion rate of propylene | |
| CN219615523U (en) | Device for producing tert-butyl acetate by using methyl tert-butyl ether |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210402 |
|
| RJ01 | Rejection of invention patent application after publication |