CN204661334U - A kind of vapour solid state reaction device for Dry gel conversion method crystallization synthesis zeolite - Google Patents
A kind of vapour solid state reaction device for Dry gel conversion method crystallization synthesis zeolite Download PDFInfo
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- CN204661334U CN204661334U CN201520189665.1U CN201520189665U CN204661334U CN 204661334 U CN204661334 U CN 204661334U CN 201520189665 U CN201520189665 U CN 201520189665U CN 204661334 U CN204661334 U CN 204661334U
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Abstract
The utility model provides a kind of vapour solid state reaction device for Dry gel conversion method crystallization synthesis zeolite, comprise reactor and interchanger, described reactor comprises reaction kettle cover, reactor wall, the discharge port that is arranged at the porous tubulation in reaction kettle body and is arranged at bottom reaction kettle body, described porous tubulation offers several apertures, described reactor wall comprises zone of heating and thermal insulation layer, and described interchanger is connected with in reaction kettle body with described reaction kettle cover by pipeline.Vapour solid state reaction device for Dry gel conversion method crystallization synthesis zeolite of the present utility model can be applied to prepares zeolite molecular sieve in water vapour, organic formwork, organic formwork agent and steam mixture atmosphere, compared with existing vapour solid phase crystallization reactor, crystallization time obviously shortens, the quality of product significantly improves, have that the simple volume of equipment is little, easy to operate, single-autoclave yield rate is high, template be easy to reclaim, three waste discharge close to zero advantage.
Description
Technical field
The utility model relates to a kind of vapour solid state reaction device for Dry gel conversion method crystallization synthesis zeolite.
Background technology
The most ripe method of current synthesis zeolite is Sol-gel Hydrothermal Method, and the method effectively controls the advantages such as the grain-size of zeolite by controlling digestion time, aging temperature and stirring velocity.But hydrothermal synthesis method exists, and single-autoclave yield rate is low, reactor inner wall washing is loaded down with trivial details, organic formwork agent consumption is large, the recovery of template difficulty, the shortcoming of high, the contaminate environment of ammonia-nitrogen content in mother liquor discharge.Dry gel conversion method prepare zeolitic molecular sieve respond kettle long-pending take up room little, single-autoclave yield rate is high, organic formwork agent is easy to reclaim, without advantages such as waste liquid, aftertreatment are simple, but higher to the transmission requirement of gaseous component, controlling production die size need by additive method.
Dry gel conversion method crystallization method equipment is simple, easy handling.Chinese patent application CN1051334A has invented the device of a kind of Dry gel conversion method crystallization legal system for zeolite molecular sieve, the feature of its equipment is put into screen cloth in reactor, xerogel is put in screen cloth, certain space is had at the bottom of still and between screen cloth, put into the mixture of water vapour or template and water vapour in its space, this device is relatively applicable to the reaction of a small amount of xerogel.Chinese patent application CN201305468Y adopts the leachy plate of band, reactor is divided into two, be respectively solid phase area and liquid phase region, xerogel is loaded in solid phase area, and liquid phase region is through improving, in a heated state, liquid phase becomes vapour phase, can circulate between reactor and container for storing liquid material, the advantageously recovery of template in liquid phase, if but xerogel is Powdered, when loaded layer is thicker, the transmission of vapor-phase composition in xerogel is subject to larger restriction, affects the degree of crystallinity of product.The xerogel stowage unit of Chinese patent application CN102674388A to crystallizing kettle improves, adopt multi-layer structure design, certain space is had between every layer of xerogel, add mass transfer effect, improve rate of mass transfer, but for suitability for industrialized production, its method of design adds the difficulty of charging and discharging.There is certain defect in the design of above-mentioned several reactor, therefore, is necessary the vapour solid state reaction still providing a kind of improvement separately.
Utility model content
The purpose of this utility model is the vapour solid state reaction device providing a kind of new Dry gel conversion method crystallization synthesis zeolite, the problems such as the vapour solid phase mass transfer existed in existing Dry gel conversion method crystallization vapour solid state reaction still is uneven for solving, resistance to mass transfer is large, vapor-phase composition is slow at crystallization still internal diffusion and the crystallization time of xerogel is long, this reaction unit has that the simple volume of equipment is little, easy to operate, single-autoclave yield rate is high, template is easy to reclaim, three waste discharge close to zero advantage.
In order to achieve the above object, the utility model have employed following technical scheme:
A kind of vapour solid state reaction device for Dry gel conversion method crystallization synthesis zeolite, described vapour solid state reaction device comprises reactor and interchanger, described reactor comprises reaction kettle cover, reactor wall, the discharge port that is arranged at the porous tubulation in reaction kettle body and is arranged at bottom reaction kettle body, described porous tubulation offers several apertures, described reactor wall comprises zone of heating and thermal insulation layer, and described interchanger is connected with in reaction kettle body with described reaction kettle cover by pipeline.
Further, the set-up mode of described porous tubulation is vertical setting, and one end is connected to reaction kettle cover place, the unsettled setting of the other end.
Further, described porous tubulation is distributed in xerogel powder.
Further, the pass of described aperture is circular or regular polygon.
Further, buffering cavity is provided with between described reaction kettle cover and porous tubulation.
Further, described reaction kettle cover place is provided with pressure measuring element and temperature-measuring element.
Further, described zone of heating is by temperature control component control temperature.
Further, be provided with heat transfer tube in described interchanger, pass into heat transferring medium as required in described heat transfer tube, described heat transferring medium is water, thermal oil or other flowing termite and refrigerant.
Further, described pipeline is provided with valve.
Vapour solid state reaction device for Dry gel conversion method crystallization synthesis zeolite of the present utility model can be applied to prepares zeolite molecular sieve in water vapour, organic formwork, organic formwork agent and steam mixture atmosphere, compared with existing vapour solid phase crystallization reactor, crystallization time obviously shortens, the quality of product significantly improves, have that the simple volume of equipment is little, easy to operate, single-autoclave yield rate is high, template be easy to reclaim, three waste discharge close to zero advantage.
Accompanying drawing explanation
Fig. 1 is the structural representation of the vapour solid state reaction device for Dry gel conversion method crystallization synthesis zeolite of the present utility model.
Reference numeral:
1-solid phase area 2-porous tubulation 3-zone of heating
4-thermal insulation layer 5-reacts kettle cover 6-and cushions cavity
7-pressure measuring element 8-temperature-measuring element 9-valve
10-discharge port 11-pipeline 12-interchanger
13-heat transfer tube
Embodiment
Below in conjunction with accompanying drawing, with specific embodiment, the vapour solid state reaction device for Dry gel conversion method crystallization synthesis zeolite of the present utility model is described in further details.Should be understood that following examples only for illustration of the utility model but not for limiting scope of the present utility model.
As shown in Figure 1, the vapour solid state reaction device for Dry gel conversion method crystallization synthesis zeolite of the present utility model comprises reactor and interchanger.
Reactor comprises reaction kettle cover 5, reactor wall, the discharge port 10 that is arranged at the porous tubulation 2 in reaction kettle body and is arranged at bottom reaction kettle body.The quantity of porous tubulation 2 can carry out variable adjustment according to the size of reactor, and preferably, the set-up mode of porous tubulation 2 is vertical setting, and one end is connected to reaction kettle cover place, the unsettled setting of the other end.Porous tubulation 2 offers several apertures, aperture is not easily excessive, and pass can be circular or regular polygon.Porous tubulation 2 is distributed in xerogel powder, water vapour or water and organic formwork agent mixed vapour are diffused in xerogel by the pore on porous tubulation 2 under certain temperature and pressure, be conducive to vapor phase molecules fully to be reacted by diffusion and xerogel, ensure abundant contact, mass transfer enhancement and the diffusion of the vapour solid phase in reactor.Be provided with and cushion cavity 6 between reaction kettle cover 5 and porous tubulation 2, when water vapour or water pass in and out reactor with organic formwork agent mixed vapour by interchanger 12, buffering cavity 6 plays maintenance pressure equalization and prevents the effect of solid particulate blocking pipe.Reaction kettle cover 5 place is provided with pressure measuring element 7 and temperature-measuring element 8, is used for measuring the temperature and pressure in reaction kettle body.Reactor wall comprises zone of heating 3 and thermal insulation layer 4, and zone of heating 3 is by temperature control component control temperature, and thermal insulation layer 4 is used for being incubated, and maintains the stability of Heating temperature.Interchanger 12 is connected with in reaction kettle body with reaction kettle cover 5 by pipeline 11, interchanger 12 is according to the heat transferring agent passed into or refrigerant, play the effect of heat transfer or condensation, heat transfer tube 13 is provided with in interchanger 12, heat transferring medium is passed into as required in heat transfer tube 13, heat transferring medium can be water, thermal oil or other flowing termite and refrigerant.Preferably, pipeline 11 is provided with valve 9, is used for controlling the size that water vapour or water and organic formwork agent mixed vapour pass in and out reactor flow velocity.
Principle of work:
Crystallization presoma-xerogel is put into solid phase area 1, and solid phase area 1 is reaction kettle body, and the amount adding dry glue in solid phase area 1 is not easily very few, and presoma can be pressed powder, or shaping after particulate matter.Cover reaction kettle cover 5, seal all joints and sealing.Reaction kettle body is by zone of heating 3 pairs of reactor heating, and Heating temperature is controlled by outside temperature controlling elements.Interchanger 12 loads water or volatile template etc., be heated to certain temperature and vaporize, water as required, organic formwork agent or water and organic formwork agent mixing liquid steam pass into and cushion cavity 6, through porous tubulation 2, pass into equably in reaction kettle body, valve-off 9.In question response kettle, solid phase is heated to temperature required, and crystallization starts timing.After crystallization terminates to be cooled to room temperature, open the valve 9 of turnover template, discharge water, organic formwork agent or volatile water and organic formwork agent mixing liquid, pressed powder is gone out again with water, solidliquid mixture flows out from the discharge port 10 bottom reaction kettle body, for the reactor of small volume, can directly discharging.
Vapour solid state reaction device for Dry gel conversion method crystallization synthesis zeolite of the present utility model can be applied to prepares zeolite molecular sieve in water vapour, organic formwork, organic formwork agent and steam mixture atmosphere, compared with existing vapour solid phase crystallization reactor, crystallization time obviously shortens, the quality of product significantly improves, have that the simple volume of equipment is little, easy to operate, single-autoclave yield rate is high, template be easy to reclaim, three waste discharge close to zero advantage.
Claims (9)
1. the vapour solid state reaction device for Dry gel conversion method crystallization synthesis zeolite, it is characterized in that, described vapour solid state reaction device comprises reactor and interchanger, described reactor comprises reaction kettle cover, reactor wall, the discharge port that is arranged at the porous tubulation in reaction kettle body and is arranged at bottom reaction kettle body, described porous tubulation offers several apertures, described reactor wall comprises zone of heating and thermal insulation layer, and described interchanger is connected with in reaction kettle body with described reaction kettle cover by pipeline.
2. vapour solid state reaction device according to claim 1, is characterized in that, the set-up mode of described porous tubulation is vertical setting, and one end is connected to reaction kettle cover place, the unsettled setting of the other end.
3. vapour solid state reaction device according to claim 1, is characterized in that, described porous tubulation is distributed in xerogel powder.
4. vapour solid state reaction device according to claim 1, is characterized in that, the pass of described aperture is circular or regular polygon.
5. vapour solid state reaction device according to claim 1, is characterized in that, is provided with buffering cavity between described reaction kettle cover and porous tubulation.
6. vapour solid state reaction device according to claim 1, is characterized in that, described reaction kettle cover place is provided with pressure measuring element and temperature-measuring element.
7. vapour solid state reaction device according to claim 1, is characterized in that, described zone of heating is by temperature control component control temperature.
8. vapour solid state reaction device according to claim 1, is characterized in that, be provided with heat transfer tube in described interchanger, pass into heat transferring medium in described heat transfer tube, and described heat transferring medium is water or thermal oil.
9. vapour solid state reaction device according to claim 1, is characterized in that, described pipeline is provided with valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520189665.1U CN204661334U (en) | 2015-03-31 | 2015-03-31 | A kind of vapour solid state reaction device for Dry gel conversion method crystallization synthesis zeolite |
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| CN201520189665.1U CN204661334U (en) | 2015-03-31 | 2015-03-31 | A kind of vapour solid state reaction device for Dry gel conversion method crystallization synthesis zeolite |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109437233A (en) * | 2019-01-17 | 2019-03-08 | 黑龙江大学 | A kind of method of dry gel conversion method synthesis nanometer GaZSM-5 gallosilicate molecular sieve |
| CN109928404A (en) * | 2017-12-15 | 2019-06-25 | 中国石油化工股份有限公司 | A kind of synthetic method of zeolite molecular sieve |
-
2015
- 2015-03-31 CN CN201520189665.1U patent/CN204661334U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109928404A (en) * | 2017-12-15 | 2019-06-25 | 中国石油化工股份有限公司 | A kind of synthetic method of zeolite molecular sieve |
| CN109437233A (en) * | 2019-01-17 | 2019-03-08 | 黑龙江大学 | A kind of method of dry gel conversion method synthesis nanometer GaZSM-5 gallosilicate molecular sieve |
| CN109437233B (en) * | 2019-01-17 | 2021-11-09 | 黑龙江大学 | Method for synthesizing nano GaZSM-5 silicon gallate molecular sieve by dry glue conversion method |
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Effective date of registration: 20210928 Address after: 215634 No. 27, Donghai Road, Yangtze River International Chemical Industrial Park, Suzhou, Jiangsu Patentee after: FUYU (ZHANGJIAGANG) NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 200433 room 1605-1, building 2, No. 335, Guoding Road, Yangpu District, Shanghai Patentee before: SHANGHAI FUYU NEW MATERIAL TECHNOLOGY Co.,Ltd. |