CN203075847U - Device for coupling catalyst recovery process and dynamic disc type membrane separation process - Google Patents
Device for coupling catalyst recovery process and dynamic disc type membrane separation process Download PDFInfo
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- CN203075847U CN203075847U CN 201220743349 CN201220743349U CN203075847U CN 203075847 U CN203075847 U CN 203075847U CN 201220743349 CN201220743349 CN 201220743349 CN 201220743349 U CN201220743349 U CN 201220743349U CN 203075847 U CN203075847 U CN 203075847U
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Abstract
The utility model relates to a device for coupling a catalyst recovery process and a dynamic disc type membrane separation process. The device comprises a reaction kettle, a rotating device, a back-flushing tank, a clear liquid tank, a feed pump of the back-flushing tank and a dynamic disc type separator main body in the reaction kettle. The whole system of the device is fully closed, so that other impurities are not introduced; by virtue of microfiltration or ultrafiltration dynamic disc cross flow filtration, a dynamic disc is high in permeate flux, and the investment cost of equipment can be reduced while the technical process is shortened; the discharge effect is stable, and the reject rate of a superfine catalyst reaches up to more than 99%; after being cleaned, the dynamic disc has a permeate flux recovery rate of more than 90%, and the cleaning period is long; a filter-back flushing device is high in integration degree of structure and can be continuously operated, so that the cost is saved, and the economic benefit is improved to a certain extent; the dynamic disc is capable of resisting high temperatures, acid, alkali and organic solvents, thus being applied to various reactions; and the dynamic disc is low in energy consumption during running and small in floor area and has a low requirement on the performance stability of feed liquid.
Description
Technical field
The utility model relates to a kind of device, relate in particular to a kind of at existing apparatus and the existing defective of technology and a kind of dynamic disc-type film device that is applied to catalyst recovery is provided, equipment forms relative motion by video disc rotation feed liquid, the separative efficiency height, the device of the catalyst recovery of the problem that the internal circulating load that overcomes prior art is big, production cost is high and dynamic disc-type film separation process coupling.
Background technology
Continuous development along with chemical industry, petrochemical iy produced industry, size of catalyst trends towards ultra-fineization direction and develops, it is very difficult that the heterogeneous efficient separation of solid-liquid becomes, traditional separation method such as plate-frame filtering, centrifugation are difficult to product and catalyst are separated fully, not only waste energy consumption, catalyst utilization is low, and catalyst content is too high in the product that obtains, influence the quality of product, filter process often is an intermittent filtration, be unfavorable for the permanent development of enterprise from economic aspect, do not meet the call of country from the energy consumption aspect about energy-saving and emission-reduction.
In recent years, at also more and more micron and the nano level solid catalysts of relating to of industries such as petrochemical industry, fine chemistry industry, pharmacy, light industry, environmental protection, can improve reaction rate greatly, reduce catalyst amount, after reaction is finished, need to separate and reclaim this catalyst, but bring difficulty to separation.In the molecular sieve catalyst production process, washing workshop section produces a large amount of catalyst industrial wastewaters that contain.The at present domestic natural sedimentations that adopt reclaim catalyst more, but because grain diameter is little, cause that the precipitation apparatus floor space is big, efficient is low, recovery is incomplete, make molecular sieve run off in a large number.The tradition sedimentation is inapplicable; And be the various types of filtration technology of filter medium with the filter cloth, separative efficiency is very low, and filter quality is difficult to guarantee; The ultrafiltration centrifuge is extremely low to lower its separative efficiency of solution of solid content.
The film catalyst filtering technique that uses mainly adopts cross-flow membrane tubular filter mode at present, needs bigger internal circulating load to guarantee the cross-flow crossflow velocity.And catalyst content is generally all lower in course of reaction, the energy consumption height that a large amount of circulations cause, and production cost rises.Simultaneously, a large amount of circulations make that the catalyst collision is cracked, cause catalyst loss.
The utility model content
At the problems referred to above, it is a kind of at existing apparatus and the existing defective of technology and a kind of dynamic disc-type film device that is applied to catalyst recovery is provided that main purpose of the present utility model is to provide, equipment forms relative motion by video disc rotation feed liquid, be cross-flow filtration, produce shearing force, the catalyst granules that is trapped in the film surface is pulled away, reduces film surface pollution, thereby make the film stabilized flux keep constant.Adopt this kind filter type, do not need high-power pump that big cycle volume is provided, the separative efficiency that solves conventional art is low, the device of the catalyst recovery of the problem that the internal circulating load of prior art is big, production cost is high and dynamic disc-type film separation process coupling.
The utility model solves above-mentioned technical problem by following technical proposals: the device of a kind of catalyst recovery and dynamic disc-type film separation process coupling, described device comprise reactor, tumbler, recoil jar, clear liquid jar, a recoil jar feed pump, described reactor built-in dynamic disc-type separator main body;
Have the outlet of charging aperture and catalyst regeneration on the described reactor, be separately installed with big motor and small machine on described tumbler and the dynamic disc-type separator main body, reactor is connected with the clear liquid jar by a clear liquid jar charging autocontrol valve, and reactor is connected with the recoil jar by backwash liquid outlet autocontrol valve;
Described recoil jar is connected by a recoil jar feed pump with the clear liquid jar, a recoil jar fluid infusion autocontrol valve and a recoil jar feed pump check-valves also are installed between recoil jar and the recoil jar feed pump, the recoil jar also is connected with the blow-off line of blowdown by recoil jar blowoff valve, the top of recoil jar also is connected with air inlet pipe by a recoil jar tonifying Qi autocontrol valve, and the top of recoil jar also is connected with blast pipe by a recoil jar atmospheric valve;
The top of described clear liquid jar is connected with air inlet pipe by clear liquid jar tonifying Qi autocontrol valve, the top of clear liquid jar also is connected with blast pipe by clear liquid jar atmospheric valve, the bottom of clear liquid jar is connected the blow-off line of blowdown by clear liquid jar blowoff valve, also be connected with on the clear liquid jar clear liquid is imported the follow-up workshop section of entering of subsequent treatment pipe, enter clear liquid jar purified liquor outlet autocontrol valve is installed on the follow-up workshop section pipe.
In specific embodiment of the utility model, the quantity of dynamic video disc is 1-100 spare in the described dynamic disc-type separator main body.
In specific embodiment of the utility model, described dynamic disc-type separator main body is dynamic video disc membrane module, and the film surface apertures is 7nm ~ 30um, and the video disc diameter is at 50 ~ 400mm.
A kind of said apparatus that utilizes carries out catalyst recovery and dynamic disc-type film separation process coupling process, and described method comprises the steps:
Treating capacity setting device in reactor according to reactant carries out filtration treatment with unit module form two or more sets dynamic disc-type separator main bodies in parallel, the product that contains catalyst is separated through dynamic disc-type separator main body separation afterreaction product clear liquid, catalyst is trapped within and continues reaction in the reactor, when catalyst need be regenerated, can discharge from the catalyst regeneration outlet of reactor bottom.
In specific embodiment of the utility model, dynamically the disc-type separator main body is ceramic video disc, adopt micro-filtration or the dynamic video disc of ultrafiltration to be filtered into the cross-flow filtration mode, drive the rotation of ceramic dish sheet by the motor rotation, the rotation of ceramic video disc and feed liquid form relative motion, are cross-flow filtration, because the existence of shearing force, the catalyst granules on the film surface that is trapped in dynamic disc-type separator main body is pulled away, reduces film surface pollution, thereby make the film stabilized flux keep constant.
In specific embodiment of the utility model, the catalyst recovery process is the continuous process of sealing.
In specific embodiment of the utility model, when the clear liquid flux of setting filter element module drops to the 60%-80% of initial flux, the dynamic video disc of beginning backwash.
In specific embodiment of the utility model, use the material of the clear liquid of filtration in the reactor as automatic backwash, recoil pressure reduction is 0.1 ~ 0.3MPa, the recoil time is 1 ~ 60s.
In specific embodiment of the utility model, dynamically the rotating speed of disc-type separator main body tumbler in filter process is 0 ~ 1000 rev/min.
Positive progressive effect of the present utility model is: the utility model and existing similar catalyst reclaim the device that is coupled with dynamic disc-type film separation process and compare, and the utility model whole system is a totally enclosed type, can not introduce other impurity; The dynamic video disc cross-flow filtration of micro-filtration of taking or ultrafiltration, dynamically video disc permeation flux height in the time of shortened process, reduces equipment investment cost; The discharging effect stability reaches more than 99% the superfine catalyst rejection; Dynamic video disc permeation flux recovery rate after the cleaning can reach more than 90%, and the cleaning frequency is long, and the structure-integrated degree height of filtration-recoiling device can carry out continued operation, and when saving cost, economic benefit also improves; Dynamically high temperature resistant, the acid and alkali-resistance of video disc, organic solvent-resistant can be used for all types of reactions; Dynamically the video disc operation energy consumption is low, and floor space is little, and is less demanding to the feeding liquid stability.
Description of drawings
Fig. 1 is the structure of the utility model device and the schematic diagram of technological process.
The specific embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
Fig. 1 is the structure of the utility model device and the schematic diagram of technological process, and as shown in Figure 1: the utility model comprises reactor 15, tumbler 18, recoil jar 12, clear liquid jar 3, a recoil jar feed pump 11, described reactor 15 built-in dynamic disc-type separator main bodies 17;
Have charging aperture 151 and catalyst regeneration outlet 152 on the reactor 15, be separately installed with big motor 181 and small machine 171 on described tumbler 18 and the dynamic disc-type separator main body 17, reactor 15 is connected with clear liquid jar 3 by a clear liquid jar charging autocontrol valve 13, and reactor 15 is connected with recoil jar 12 by backwash liquid outlet autocontrol valve 14;
Recoil jar 12 is connected by a recoil jar feed pump 11 with clear liquid jar 3, a recoil jar fluid infusion autocontrol valve 8 and a recoil jar feed pump check-valves 10 also are installed between recoil jar 12 and the recoil jar feed pump 11, recoil jar 12 also is connected with the blow-off line of blowdown by recoil jar blowoff valve 9, the top of recoil jars 12 also is connected with air inlet pipe by a recoil jar tonifying Qi autocontrol valve 7, and the top of recoil jars 12 also is connected with blast pipe by a recoil jar atmospheric valve 6;
The top of clear liquid jar 3 is connected with air inlet pipe by clear liquid jar tonifying Qi autocontrol valve 5, the top of clear liquid jar 3 also is connected with blast pipe by clear liquid jar atmospheric valve 4, the bottom of clear liquid jar 3 is connected the blow-off line of blowdown by clear liquid jar blowoff valve 1, also be connected with on the clear liquid jar 3 clear liquid is imported the follow-up workshop section of entering of subsequent treatment pipe, enter clear liquid jar purified liquor outlet autocontrol valve 2 is installed on the follow-up workshop section pipe.
In concrete implementation process, dynamically the quantity of dynamic video disc can be elected 1-100 spare as in the disc-type separator main body 17.
Described dynamic disc-type separator main body 17 is dynamic video disc membrane module, and the film surface apertures is 7nm ~ 30um, and the video disc diameter is at 50 ~ 400mm.
A kind of right said apparatus that utilizes carries out catalyst recovery and dynamic disc-type film separation process coupling process, and this method comprises the steps:
Treating capacity setting device in reactor 15 according to reactant carries out filtration treatment with unit module form two or more sets dynamic disc-type separator main bodies 17 in parallel, the product that contains catalyst is separated through dynamic disc-type separator main body 17 separation afterreaction product clear liquids, catalyst is trapped within and continues reaction in the reactor 15, when catalyst need be regenerated, can discharge from the catalyst regeneration outlet 152 of reactor 15 bottoms.
Dynamically disc-type separator main body 17 is ceramic video disc, adopt micro-filtration or the dynamic video disc of ultrafiltration to be filtered into the cross-flow filtration mode, drive the rotation of ceramic dish sheet by the motor rotation, the rotation and the feed liquid of pottery video disc form relative motion, be cross-flow filtration, because the existence of shearing force is pulled away the catalyst granules on the film surface that is trapped in dynamic disc-type separator main body 17, reduce film surface pollution, thereby make the film stabilized flux keep constant.
The catalyst recovery process is the continuous process of sealing.
When the clear liquid flux of setting filter element module drops to the 60%-80% of initial flux, the dynamic video disc of beginning backwash.
Use the material of the clear liquid of filtration as automatic backwash in the reactor 15, recoil pressure reduction is 0.1 ~ 0.3MPa, and the recoil time is 1 ~ 60s.
Dynamically the rotating speed of disc-type separator main body 17 tumbler in filter process is 0 ~ 1000 rev/min.
Be specific embodiment below:
Embodiment: oximate process catalyst recovery in the caprolactam production
Present domestic use titanium molecular sieve catalysis cyclohexanone oxamidinating prepares cyclohexanone oxime.The tert-butyl alcohol, ammonia, catalyst are at reactor 15 internal reactions, catalyst concn is 3%, after reacting completely, the reactant liquor that contains catalyst is after ceramic video disc (the dynamic disc-type separator main body 17 in the utility model) separates, clear liquid enters clear liquid jar 3 through clear liquid jar charging autocontrol valve 13, obtain cyclohexanone oxime through subsequent technique, and then produce caprolactam.Catalyst is trapped within reactor 15 interior continuation reactions, up to needs regeneration, and utilization again after the catalyst process catalyst regeneration outlet 152 that need regenerate is discharged.
Filter process:
Material enters in the reactor 15, carries out the cyclohexanone oxamidinating reaction and generate cyclohexanone oxime under titanium-silicon molecular sieve catalyst catalysis.The reactant liquor that contains catalyst after question response is complete is after ceramic video disc (the dynamic disc-type separator main body 17 in the utility model) separates, the reaction clear liquid enters clear liquid jar 3 through clear liquid jar 3 charging autocontrol valves 13, by clear liquid jar purified liquor outlet autocontrol valve 2 control clear liquid jars 3 liquid levels, setting operation pressure reduction is 0.2MPa, 400 rev/mins of revolutions.Catalyst is trapped within and continues reaction in the reactor 15, goes catalyst regeneration system by catalyst regeneration outlet autocontrol valve 16 when waiting to need regeneration.
Backwash process:
When flux in the recoil jars 12 drops to original flux 60-80%, use the clear liquid of 1.0-1.5MPa to enter and recoil from purified liquor outlet.The backwash pressure tank is by the source of the gas pressurize, and counter-flushing liquid is additional by recoil jar feed pump 11 by the clear liquid of clear liquid jar 3, by liquid level in the recoil jar fluid infusion autocontrol valve 8 control recoil jars.
The utility model whole system is a totally enclosed type, can not introduce other impurity; The dynamic video disc cross-flow filtration of micro-filtration of taking or ultrafiltration, dynamically video disc permeation flux height in the time of shortened process, reduces equipment investment cost; The discharging effect stability reaches more than 99% the superfine catalyst rejection; Dynamic video disc permeation flux recovery rate after the cleaning can reach more than 90%, and the cleaning frequency is long, and the structure-integrated degree height of filtration-recoiling device can carry out continued operation, and when saving cost, economic benefit also improves; Dynamically high temperature resistant, the acid and alkali-resistance of video disc, organic solvent-resistant can be used for all types of reactions; Dynamically the video disc operation energy consumption is low, and floor space is little, and is less demanding to the feeding liquid stability.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. the catalyst recovery and the dynamic device of disc-type film separation process coupling, it is characterized in that: described device comprises reactor (15), tumbler (18), recoil jar (12), a clear liquid jar (3), a recoil jar feed pump (11), described reactor (15) built-in dynamic disc-type separator main body (17);
Have charging (151) and catalyst regeneration on the described reactor (15) and go out (152), be separately installed with big motor (181) and small machine (171) on described tumbler (18) and the dynamic disc-type separator main body (17), reactor (15) is connected with clear liquid jar (3) by a clear liquid jar charging autocontrol valve (13), and reactor (15) is connected with recoil jar (12) by backwash liquid outlet autocontrol valve (14);
Described recoil jar (12) is connected by a recoil jar feed pump (11) with clear liquid jar (3), recoil jar fluid infusion autocontrol valve (8) and recoil jar feed pump check-valves (10) also are installed between recoil jar (12) and the recoil jar feed pump (11), recoil jar (12) also is connected with the blow-off line of blowdown by recoil jar blowoff valve (9), the top of recoil jar (12) also is connected with air inlet pipe by a recoil jar tonifying Qi autocontrol valve (7), and the top of recoil jar (12) also is connected with blast pipe by a recoil jar atmospheric valve (6);
The top of described clear liquid jar (3) is connected with air inlet pipe by clear liquid jar tonifying Qi autocontrol valve (5), the top of clear liquid jar (3) also is connected with blast pipe by clear liquid jar atmospheric valve (4), the bottom of clear liquid jar (3) is connected the blow-off line of blowdown by clear liquid jar blowoff valve (1), also be connected with on the clear liquid jar (3) clear liquid is imported the follow-up workshop section of entering of subsequent treatment pipe, enter clear liquid jar purified liquor outlet autocontrol valve (2) is installed on the follow-up workshop section pipe.
2. catalyst recovery according to claim 1 and the device that dynamic disc-type film separation process is coupled, it is characterized in that: the quantity of dynamic video disc is 1-100 spare in the described dynamic disc-type separator main body (17).
3. the device of catalyst recovery according to claim 1 and 2 and dynamic disc-type film separation process coupling, it is characterized in that: described dynamic disc-type separator main body (17) is dynamic video disc membrane module, the film surface apertures is 7nm ~ 30um, and the video disc diameter is at 50 ~ 400mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201220743349 CN203075847U (en) | 2012-12-29 | 2012-12-29 | Device for coupling catalyst recovery process and dynamic disc type membrane separation process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220743349 CN203075847U (en) | 2012-12-29 | 2012-12-29 | Device for coupling catalyst recovery process and dynamic disc type membrane separation process |
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| CN203075847U true CN203075847U (en) | 2013-07-24 |
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| CN 201220743349 Expired - Lifetime CN203075847U (en) | 2012-12-29 | 2012-12-29 | Device for coupling catalyst recovery process and dynamic disc type membrane separation process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103041705A (en) * | 2012-12-29 | 2013-04-17 | 上海安赐机械设备有限公司 | Device and method for coupling catalyst recovery process with dynamic disc membrane separation process |
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- 2012-12-29 CN CN 201220743349 patent/CN203075847U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103041705A (en) * | 2012-12-29 | 2013-04-17 | 上海安赐机械设备有限公司 | Device and method for coupling catalyst recovery process with dynamic disc membrane separation process |
| CN103041705B (en) * | 2012-12-29 | 2015-07-22 | 上海安赐机械设备有限公司 | Device and method for coupling catalyst recovery process with dynamic disc membrane separation process |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201201 Shanghai, Pudong New Area Jin Tang Road, No. 2, block B, 145 Patentee after: SHANGHAI ANHORN ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: 201201 Shanghai, Pudong New Area Jin Tang Road, No. 2, block B, 145 Patentee before: SHANGHAI ANHORN MECHANICAL EQUIPMENT Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |