CN203976766U - Solid catalyst automatic filtering unit during a kind of spices is synthetic - Google Patents
Solid catalyst automatic filtering unit during a kind of spices is synthetic Download PDFInfo
- Publication number
- CN203976766U CN203976766U CN201420287233.XU CN201420287233U CN203976766U CN 203976766 U CN203976766 U CN 203976766U CN 201420287233 U CN201420287233 U CN 201420287233U CN 203976766 U CN203976766 U CN 203976766U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- reactor
- nitrogen
- solid catalyst
- tank
- 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
Landscapes
- Catalysts (AREA)
Abstract
The utility model discloses the synthetic middle solid catalyst automatic filtering unit of a kind of spices, comprise nitrogen gas generating system, pressurized nitrogen entrance, back flushing nitrogen inlet, described pressurized nitrogen entrance is connected to reactor upper end by flange, described reactor upper end is connected to reaction solvent header tank by pipeline, between reactor and reaction solvent header tank, node is by connecting pipe of pipeline road pump, in-line pump is connected with accurate filter bottom by pipeline, described accurate filter bottom is connected with reactor bottom by pipeline, upper end is connected to reaction solution temporary tank top by pipeline.The utility model has shortened technical process, has realized and has cleaned production; Filter operation can be carried out in a long time continuously; filtering accuracy is high, guarantee quality product; reduce the operation of manual switching frequently and heavy cleaning filter work; avoid unnecessary shut-down; thereby protect expensive catalyzer; in the single batch operation cycle that has shortened production equipment, reduce production costs.
Description
Technical field
The utility model belongs to technical field of chemical, is specifically related to a kind of automatic filtering unit for the synthetic production process solid catalyst of spices.
Background technology
It is the chemical engineering unit operation that solid catalyst is separated from liquid phase reacting material that catalyzer filters, because catalyzer can change speed of reaction in chemical reaction, enhance productivity, and the characteristic that itself quality and chemical property do not change in chemical reaction process, therefore catalyzer can be by separating with liquid phase, realize reclaiming and reuse.
The range of application of catalyzer in Chemical Manufacture is very extensive, and in modern chemistry industry, occupies extremely important status, and solid catalyst is wherein very common one for liquid-phase catalysis reaction.In the reactions such as the hydrogenation of spices synthesis technique, esterification, oxidation, alkylation, isomerization, aldol condensation, catalytic dehydrogenation, often use solid catalyst, in process of production, catalyzer participates in after chemical reaction, should in time catalyzer be separated with reaction product, make catalyzer continue to participate in next batch reaction realization and apply mechanically production.If not exclusively separated, not only affect the quality of chemical reactant, also because making production cost, the loss of catalyzer increases.The production overwhelming majority of synthetic perfume belongs to batch production, after reaction finishes, reaction solution need to be transferred to slurry tank and separate, filter out catalyzer, in transfer process, cause catalyst loss, expensive catalyzer has increased production cost, catalyzer has and brings on a small quantity lower procedure into simultaneously, affect quality product, obstruction reboiler and rectifying tower, some catalyzer of while as palladium, run into light, water can change and lose activity, even there is the security incidents such as spontaneous combustion, bring potential safety hazard for producing, impact is produced.
The upper strata product obtaining due to settling process also contains a small amount of catalyzer, solid catalyst activity is high, the feed liquid usage quantity of reduction same volume is few, therefore the catalyst solid content in product is relatively low, and density of catalyst is little, should not adopt sedimentation method, for this reason, reaction must be carried out timely automatic ultra-filtration to solid catalyst after finishing, and Separation and Recovery recycles, to ensure in product containing catalyzer and to reduce production costs.
Utility model content
The purpose of this utility model is to provide the device for the synthetic fast automatic filtration of solid catalyst of spices a kind of simple in structure, reasonable in design.
The purpose of this utility model can be achieved through the following technical solutions:
Solid catalyst automatic filtering unit during a kind of spices is synthetic, the pressurized nitrogen entrance that comprises nitrogen gas generating system and be connected respectively by pipeline with nitrogen gas generating system and back flushing nitrogen inlet, described pressurized nitrogen entrance is connected to reactor upper end by flange, described reactor upper end is connected to reaction solvent header tank by pipeline, between reactor and reaction solvent header tank, node is by connecting pipe of pipeline road pump, in-line pump is connected with accurate filter bottom by pipeline, described accurate filter bottom is connected with reactor bottom by pipeline, upper end is connected to reaction solution temporary tank top by pipeline, described back flushing nitrogen inlet is connected with reaction solution temporary tank top.
Described nitrogen gas generating system is made up of the air compressor connecting successively by pipeline from left to right, air cushioning tank, C level strainer, freeze drier, air filtration unit, nitrogen main frame processed and nitrogen buffer tank, the pressurized nitrogen entrance that nitrogen buffer tank connects respectively by pipeline and back flushing nitrogen inlet.
The in-built silk filling net of described accurate filter filter core, the pipeline of accurate filter access reactor bottom adopts U-bend, and is fixed on reactor sidewall.
Described reactor upper end is also provided with gas bleed outlet, and gas bleed outlet is provided with spark arrester.
The beneficial effects of the utility model: the utility model completes filtration, static washing, dry-pressing operation in a ultra-filtration system, shortened process, and avoid filter cake by outside contamination, airtight filtration, realizes and cleans production; Also there is airtight safety in production, simple to operate; make that filter operation can be carried out in a long time continuously, filtering accuracy is high, ensure the feature of quality product; reduce the operation of manual switching frequently and heavy cleaning filter work; avoid unnecessary shut-down; thereby protect expensive catalyzer; in the single batch operation cycle that has shortened production equipment, reduce production costs.
Brief description of the drawings
For the ease of it will be appreciated by those skilled in the art that below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is the utility model structural representation.
1, pressurized nitrogen entrance, 2, reactor, 3, accurate filter, 4, in-line pump, 5, reaction solution temporary tank, 6, reaction solvent header tank, 7, gas bleed outlet, 8, back flushing nitrogen inlet, 9, air compressor, 10, air cushioning tank, 11, C level strainer, 12, freeze drier, 13, air filtration unit, 14, nitrogen main frame processed, 15 nitrogen buffer tanks.
Embodiment
As shown in Figure 1, solid catalyst automatic filtering unit during a kind of spices is synthetic, comprise that pressurized nitrogen entrance 1 is connected by flange with reactor 2, accurate filter 3 is connected with reactor 2 bottoms by pipeline, pipeline enters reactor 2 and adopts U-bend, pipeline is fixed in reactor 2 bottoms, the in-built silk filling net of accurate filter 3 filter core, material is transferred to accurate filter 3 and accurate filter 3 liquid phase materials from reactor 2 and is transferred to reaction solution temporary tank 5 by the nitrogen pressure force feed of pressurized nitrogen entrance 1, reaction solvent header tank 6 is connected with accurate filter 3 by in-line pump 4, back flushing nitrogen inlet 8 is kept in tank 5 by reaction solution and is connected with accurate filter 3, accurate filter 3 solid-phase catalysts enter reactor 2 by the reaction solvent of reaction solvent header tank 6 through in-line pump 4 back flushinges, accurate filter 3 is by PLC Controlling System, can realize Long-distance Control, continuous filtration is provided.Gas bleed outlet 7 is arranged on reactor 2, gas bleed outlet 7 arranges spark arrester, nitrogen gas generating system is connected with back flushing nitrogen inlet 8 with pressurized nitrogen entrance 1 respectively by pipeline, nitrogen gas generating system connects nitrogen buffer tank 15 by air compressor 9 by air cushioning tank 10, C level strainer 11, freeze drier 12, air filtration unit 13, nitrogen main frame 14 processed, is connected to each uses nitrogen system by nitrogen buffer tank 15.
Workflow:
1) in reactor, add reaction raw materials, reaction solvent, add solid catalyst from reactor hand hole;
2) heat up or be cooled to and reach setting temperature of reaction; As replaced 4-6 time with nitrogen for the synthetic hydrogenation technique of spices, then be filled with nitrogen to pressure 0.6Mpa, after system pressure is stable, replace 4-6 time with gas, then be filled with hydrogen, regulate hydrogenation reaction kettle pressure to reacting setting pressure, heating up or being cooled to reaches setting temperature of reaction.
3) reaction finishes, from the pressure release of gas bleed outlet.
4) reaction solution being delivered to accurate filter by nitrogen pressure filters.
5) strainer liquid phase filtrate is pressed onto reaction solution temporary tank with nitrogen and carries out next step technological operation.
6) strainer solid-phase catalyst is squeezed into accurate filter with reaction solvent by in-line pump, and passes through nitrogen pressurized backwash to reactor, directly carries out lower batch of operation.
The utility model is applicable to the automatic filtration back flushing with solid catalyst; overcome the shortcoming that shifts the catalyst loss in sedimentation filtration procedure and caused catalyst deactivation by outside contamination; have airtight safety in production, simple to operate, make that filter operation can be carried out in a long time continuously, filtering accuracy is high, ensure the feature of quality product; reduce the operation of manual switching frequently and heavy cleaning filter work; avoid unnecessary shut-down; thereby protect expensive catalyzer; in the single batch operation cycle that has shortened production equipment, reduce production costs.
Claims (4)
1. the synthetic middle solid catalyst automatic filtering unit of spices, it is characterized in that, the pressurized nitrogen entrance (1) that comprises nitrogen gas generating system and be connected respectively by pipeline with nitrogen gas generating system and back flushing nitrogen inlet (8), described pressurized nitrogen entrance (1) is connected to reactor (2) upper end by flange, described reactor (2) upper end is connected to reaction solvent header tank (6) by pipeline, between reactor (2) and reaction solvent header tank (6), node is by connecting pipe of pipeline road pump (4), in-line pump (4) is connected with accurate filter (3) bottom by pipeline, described accurate filter (3) bottom is connected with reactor (2) bottom by pipeline, upper end is connected to reaction solution temporary tank (5) top by pipeline, described back flushing nitrogen inlet (8) is connected with reaction solution temporary tank (5) top.
2. the synthetic middle solid catalyst automatic filtering unit of a kind of spices according to claim 1, it is characterized in that, described nitrogen gas generating system is made up of the air compressor connecting successively by pipeline from left to right (9), air cushioning tank (10), C level strainer (11), freeze drier (12), air filtration unit (13), nitrogen main frame processed (14) and nitrogen buffer tank (15), and nitrogen buffer tank (15) connects respectively pressurized nitrogen entrance (1) and back flushing nitrogen inlet (8) by pipeline.
3. the synthetic middle solid catalyst automatic filtering unit of a kind of spices according to claim 1, it is characterized in that, the in-built silk filling net of described accurate filter (3) filter core, the pipeline of accurate filter (3) access reactor (2) bottom adopts U-bend, and is fixed on reactor (2) sidewall.
4. the synthetic middle solid catalyst automatic filtering unit of a kind of spices according to claim 1, it is characterized in that, described reactor (2) upper end is also provided with gas bleed outlet (7), and gas bleed outlet (7) is provided with spark arrester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420287233.XU CN203976766U (en) | 2014-05-30 | 2014-05-30 | Solid catalyst automatic filtering unit during a kind of spices is synthetic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420287233.XU CN203976766U (en) | 2014-05-30 | 2014-05-30 | Solid catalyst automatic filtering unit during a kind of spices is synthetic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203976766U true CN203976766U (en) | 2014-12-03 |
Family
ID=51974228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420287233.XU Active CN203976766U (en) | 2014-05-30 | 2014-05-30 | Solid catalyst automatic filtering unit during a kind of spices is synthetic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203976766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104841348A (en) * | 2015-05-07 | 2015-08-19 | 大连交通大学 | Continuous filter high pressure liquid and solid reaction device |
-
2014
- 2014-05-30 CN CN201420287233.XU patent/CN203976766U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104841348A (en) * | 2015-05-07 | 2015-08-19 | 大连交通大学 | Continuous filter high pressure liquid and solid reaction device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105175208B (en) | Acetylene hydrogenation prepares the method for ethene and the reaction tower for this method | |
| CN102728123B (en) | High-efficiency dynamic slurry separation filtering apparatus and filtering method thereof | |
| CN102703712A (en) | Combined filtration process for recovering noble metal catalyst from fischer-tropsch synthesis products | |
| CN102276483A (en) | Production method of oamino pheylmethyl ether | |
| CN103951098A (en) | Solid and oil removal method and device for chilled water and washed water in MTO (methanol to olefin) process | |
| CN205099601U (en) | System for hydrogenation device and production hydrogen peroxide | |
| CN203976766U (en) | Solid catalyst automatic filtering unit during a kind of spices is synthetic | |
| CN102093180B (en) | Method for continuously producing unsaturated aldehyde compound | |
| CN203820559U (en) | Device for solid removal and oil removal of quenching water and washing water in process of producing olefins from methanol | |
| CN102477309A (en) | Filtering method of solid-liquid slurry | |
| CN104130097A (en) | Process for continuously preparing exo-tetrahydrodicyclopentadiene in liquid phase | |
| CN103113190A (en) | Butynediol low-pressure hydrogenation catalyst recycling process and system | |
| CN203382696U (en) | After-treatment system of aniline | |
| CN101624343B (en) | Hydrogen recycling method and device of refining unit of pure terephthalic acid device | |
| CN104744214A (en) | Novel method for recycling residual butyl octanol solution | |
| CN104549058A (en) | Slurry bed reactor catalyst filtering application system device | |
| CN204710282U (en) | For the fixed bed reactors of catalytic ammoniation legal system monoethanolamine | |
| CN202700369U (en) | Dynamic separation device for cyclohexanone ammoximation catalysts | |
| CN208389798U (en) | A kind of catalytic hydrogenation device of dyestuff intermediate | |
| CN103708999B (en) | Catalysis hydration is produced the method for ethylene glycol | |
| KR20140023945A (en) | Improved process for the production of hexamethylenediamine | |
| CN104628524A (en) | Filtering application technology for slurry bed reactor catalyst | |
| CN105056621A (en) | Novel CTA mother liquor recovery utilization system and recovery method | |
| CN103752083A (en) | Filtering separation method for nanometer molecular sieve slurry | |
| CN215085153U (en) | Special filtering equipment for oxidation system of maleic anhydride device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |