Multi-membrane treatment device for NMP (N-Methyl Pyrrolidone) purification

Abstract

The utility model belongs to the technical field of chemical engineering, and particularly relates to a multi-membrane treatment device for NMP (N-Methyl Pyrrolidone) purification, which comprises a treatment device body, the bottom end of the treatment device body is fixedly connected with a base; a protective shell is arranged at the top end of the treatment device body; inserting blocks are symmetrically and fixedly connected to the bottom end of the protective shell; slots are symmetrically formed in the top end of the base; through the arrangement of the protective shell structure, the design is simple and convenient to operate, when the treatment device body is used in a cold environment, the protective shell can cover the outer side of the treatment device body, a certain heat preservation effect can be achieved through the protective shell, and loss of heat in the treatment device body to the external environment is reduced; therefore, the filtration flux and the separation efficiency of the membrane can be improved, and a worker can conveniently mount and dismount the protective shell.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the chemical field technical field, specifically a kind of for NMP purification Multiple membrane processing device. BACKGROUND

[0002] With the development of society, in water treatment field, food and beverage field, pharmaceutical field, chemical field, petroleum field and other fields, membrane processing device is often needed to be used, and multiple membrane processing device is a kind of equipment integrated with multiple different types of membrane separation technology, for separating, purifying, concentrating and so on to liquid or gas.

[0003] In pharmaceutical industry, NMP can be used as drug solvent or component part of drug delivery system, and the quality, safety and efficacy of drug depend on the purity of NMP, and multiple membrane processing can effectively remove impurities that can react with drug, to ensure that NMP meets the strict quality standards of drug production, such as removing impurities that can cause allergic reaction or affect drug stability.

[0004] In prior art, through long time observation, it is found that the existing multiple membrane processing device can increase the viscosity of NMP when used in cold environment, which affects the filtration flux and separation efficiency of membrane, therefore, a multiple membrane processing device for NMP purification is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the deficiencies of prior art and solve at least one technical problem proposed in background, the utility model provides a multiple membrane processing device for NMP purification.

[0006] The utility model discloses a kind of multiple membrane processing devices for NMP purification, including processing device body;The bottom end of the processing device body is fixedly connected with base;The top of the processing device body is provided with protective shell;The bottom end of the protective shell is symmetrically fixedly connected with plug block;The top of the base is symmetrically provided with slot;Slot side wall is provided with insertion hole;The insertion hole is also arranged in the side wall of the plug block;The side wall of the base is fixedly connected with support;Support side wall is provided with sliding hole;The sliding hole is slidably connected with slide rod on inner side;The middle part of the slide rod is connected with spring assembly in sleeve;The end of the spring assembly is fixedly connected with connecting rod.

[0007] Preferably, the side wall of the protective shell is fixedly connected with a temperature monitoring assembly;The side wall of the protective shell is symmetrically fixedly connected with a heating assembly;The connection mode of the heating assembly and the temperature monitoring assembly is electrically connected;The side wall of the protective shell is symmetrically provided with heat insulation cotton.

[0008] Preferably, the side wall of the heat preservation cotton is symmetrically fixed with a connecting belt; the side wall of the connecting belt is fixed with a clamping block; the side wall of the protective shell is symmetrically provided with a clamping groove; and the clamping groove and the clamping block are connected in a clamping mode.

[0009] Preferably, the bottom end of the base is fixed with a plurality of supporting legs; and the bottom end of the supporting leg is fixed with a rubber pad.

[0010] Preferably, the side wall of the protective shell is symmetrically fixed with a handle; and the middle part of the handle is fixed with an anti-skid sleeve.

[0011] Preferably, the side wall of the protective shell is fixed with an observation window; and the observation window is made of transparent material.

[0012] Preferably, the side wall of the protective shell is provided with a sealing strip; and the sealing strip and the protective shell are connected in an adhesive connection mode.

[0013] The present application has the following beneficial effects:

[0014] The present application provides a plurality of membrane treatment devices for NMP purification, which are simple and convenient to operate, and can be covered outside the treatment device body in a cold environment, thereby playing a certain heat preservation role, reducing the loss of heat inside the treatment device body to the external environment, and improving the filtration flux and separation efficiency of the membrane.

[0015] The present application provides a plurality of membrane treatment devices for NMP purification, which are simple and convenient to operate, and can be covered outside the treatment device body in a cold environment, thereby playing a certain heat preservation role, reducing the loss of heat inside the treatment device body to the external environment, and improving the filtration flux and separation efficiency of the membrane. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which are included to provide a further understanding of the present application and constitute a part of this application, illustrate certain illustrative embodiments of the present application and are used to explain the present application.

[0017] In the drawings:

[0018] Figure 1 is a perspective view of the present application;

[0019] Figure 2 is a perspective view of the heat preservation cotton in the present application;

[0020] Figure 3 is the perspective view of the clamping block in the utility model, and

[0021] Figure 4 is the perspective view of the temperature monitoring assembly in the utility model.

[0022] Legend:

[0023] 1, processing device body; 10, base; 11, protective shell; 12, plug block; 13, slot; 14, jack; 15, support; 16, sliding hole; 17, sliding rod; 18, spring assembly; 19, connecting rod; 2, temperature monitoring assembly; 21, heating assembly; 22, thermal insulation cotton; 3, connecting belt; 31, clamping block; 32, clamping groove; 4, support leg; 41, rubber pad; 5, handle; 51, anti-skid sleeve; 6, observation window; 7, sealing strip. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] The specific embodiments are given below.

[0026] Please refer to Figure 1 - Figure 4The utility model provides a kind of multiple membrane processing device for NMP purification, including processing device ontology 1;The bottom end of the processing device ontology 1 is fixedly connected with base 10;The top of the processing device ontology 1 is provided with protective shell 11;The bottom end of the protective shell 11 is symmetrically fixedly connected with plug block 12;The top of the base 10 is symmetrically provided with insertion slot 13;The sidewall of the insertion slot 13 is provided with jack 14;The sidewall of the plug block 12 is also provided with jack 14;The sidewall of the base 10 is fixedly connected with support 15;The sidewall of the support 15 is provided with sliding hole 16;The inner side of the sliding hole 16 is slidably connected with slide rod 17;The middle part of the slide rod 17 is connected with spring assembly 18 in sleeve;The end of the spring assembly 18 is fixedly connected with connecting rod 19;When working, processing device ontology 1 can be supported by base 10, when processing device ontology 1 is used in cold environment, first pull slide rod 17 to move in sliding hole 16 by staff, so as to drive spring assembly 18 to compress, spring assembly 18 is compressed, so as to drive connecting rod 19 to pull out from jack 14, then staff inserts plug block 12 into insertion slot 13, so as to cover processing device ontology 1 with protective shell 11, then release slide rod 17, by the reset function of spring assembly 18, connecting rod 19 can be inserted into jack 14, so as to install protective shell 11, support 15 can be supported, by the design, it is not only simple and convenient to operate, when processing device ontology 1 is used in cold environment, protective shell 11 can be covered on the outside of processing device ontology 1, protective shell 11 can play certain heat preservation effect, reduce the heat loss of processing device ontology 1 inside to external environment, so as to improve the filtration flux and separation efficiency of membrane, and it is convenient for staff to install and dismount protective shell 11.

[0027] Further, as Figure 1 - Figure 4As shown in the figure, the side wall of the protective shell 11 is fixed with a temperature monitoring assembly 2; the side wall of the protective shell 11 is symmetrically fixed with a heating assembly 21; the connection mode of the heating assembly 21 and the temperature monitoring assembly 2 is electrical connection; the side wall of the protective shell 11 is symmetrically provided with thermal insulation cotton 22; during operation, when the worker covers the protective shell 11 on the outside of the processing device body 1, the temperature inside the protective shell 11 can be monitored through the temperature monitoring assembly 2, when the temperature approaches the freezing point of the NMP solution or the critical temperature that affects the film performance, the heating assembly 21 can work to generate heat and reduce the influence on the processing device body 1, the thermal insulation cotton 22 can play a role in heat preservation, through this design, the temperature data inside the protective shell 11 can be obtained in real time, when the temperature monitoring assembly 2 monitors that the temperature inside the protective shell 11 is lower than the set suitable temperature range, the heating assembly 21 can automatically start and accurately raise the temperature, thereby reducing the adverse effects on the processing device body 1 and the processing process due to too low temperature, and the thermal insulation cotton 22 can play a role in heat preservation.

[0028] Further, as shown in the figure, Figure 2 , Figure 3 the side wall of the thermal insulation cotton 22 is symmetrically fixed with a connecting band 3; the side wall of the connecting band 3 is fixed with a clamping block 31; the side wall of the protective shell 11 is symmetrically provided with a clamping groove 32; the connection mode of the clamping groove 32 and the clamping block 31 is clamping; during operation, the clamping block 31 can be connected through the connecting band 3, the thermal insulation cotton 22 can be installed by the worker clamping the clamping block 31 into the clamping groove 32, the thermal insulation cotton 22 can be disassembled by the worker pulling out the clamping block 31 from the clamping groove 32, through this design, the worker can conveniently install and disassemble the thermal insulation cotton 22, thereby facilitating the worker to clean the thermal insulation cotton 22 later.

[0029] Further, as shown in the figure, Figure 3 the bottom end of the base 10 is fixed with a plurality of supporting legs 4; the bottom end of the supporting leg 4 is fixed with a rubber pad 41; during operation, the rubber pad 41 can be connected through the supporting leg 4, the friction with the ground can be increased through the rubber pad 41, through this design, the friction with the ground can be increased, thereby improving the stability of the processing device body 1 during operation.

[0030] Further, as shown in the figure, Figure 1 the side wall of the protective shell 11 is symmetrically fixed with a handle 5; the middle part of the handle 5 is fixed with an anti-skid sleeve 51; during operation, the anti-skid sleeve 51 can be connected through the handle 5, the hand friction can be increased through the anti-skid sleeve 51, through this design, the hand friction can be increased, thereby facilitating the worker to take the protective shell 11.

[0031] Further, as shown in the figure, Figure 1As shown, the side wall of the protective shell 11 is fixed with an observation window 6; the observation window 6 is made of transparent material; during operation, the inside of the protective shell 11 can be observed through the observation window 6, which facilitates the observation of the working process of the processing device body 1 by the workers, and improves the practicability.

[0032] Further, as shown in the drawings, Figure 4 As shown, the side wall of the protective shell 11 is provided with a sealing strip 7; the sealing strip 7 is connected to the protective shell 11 in a bonding manner; during operation, the sealing property can be improved through the sealing strip 7, which can improve the sealing property and reduce the dust and impurities from entering the protective shell 11.

[0033] Working principle: the base 10 can support the processing device body 1; when the processing device body 1 is used in a cold environment, the spring assembly 18 is compressed by pulling the slide rod 17 in the slide hole 16, which can drive the connecting rod 19 to be pulled out of the insertion hole 14; then the plug 12 is inserted into the insertion slot 13, so that the protective shell 11 can cover the processing device body 1; then the slide rod 17 is loosened, and the connecting rod 19 is inserted into the insertion hole 14 by using the reset function of the spring assembly 18, so that the protective shell 11 can be installed; the bracket 15 can be supported; when the workers cover the protective shell 11 on the outside of the processing device body 1, the temperature inside the protective shell 11 can be monitored by the temperature monitoring assembly 2; when the temperature approaches the freezing point of the NMP solution or the critical temperature of the film performance, the heating assembly 21 can work to generate heat, which can reduce the influence on the processing device body 1; the heat preservation cotton 22 can play a heat preservation role; the connecting belt 3 can connect the clamping block 31; the heat preservation cotton 22 can be installed by clamping the clamping block 31 into the clamping groove 32; the heat preservation cotton 22 can be disassembled by pulling the clamping block 31 out of the clamping groove 32; the rubber pad 41 can be connected to the supporting leg 4; the rubber pad 41 can increase the friction with the ground; the handle 5 can be connected to the anti-skid sleeve 51; the anti-skid sleeve 51 can increase the friction of the hands; the observation window 6 can facilitate the workers to observe the inside of the protective shell 11; and the sealing strip 7 can improve the sealing property.

[0034] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A multi-membrane treatment device for NMP purification, comprising a treatment device body (1); characterized in that: The bottom end of the processing device body (1) is fixedly connected to a base (10); the top end of the processing device body (1) is provided with a protective shell (11); the bottom end of the protective shell (11) is symmetrically fixedly connected to a plug (12); the top end of the base (10) is symmetrically provided with slots (13); the side wall of the slot (13) is provided with a insertion hole (14); the insertion hole (14) is also provided on the side wall of the plug (12); the side wall of the base (10) is fixedly connected to a bracket (15); the side wall of the bracket (15) is provided with a sliding hole (16); the inner side of the sliding hole (16) is slidably connected to a slide rod (17); the middle part of the slide rod (17) is fitted with a spring assembly (18); the end of the spring assembly (18) is fixedly connected to a connecting rod (19).

2. The multi-membrane treatment device for NMP purification as described in claim 1, characterized in that: A temperature monitoring component (2) is fixedly connected to the side wall of the protective shell (11); a heating component (21) is symmetrically fixedly connected to the side wall of the protective shell (11); the heating component (21) and the temperature monitoring component (2) are connected electrically; and thermal insulation cotton (22) is symmetrically arranged on the side wall of the protective shell (11).

3. The multi-membrane treatment device for NMP purification as described in claim 2, characterized in that: The sidewall of the insulation cotton (22) is symmetrically fixed with connecting strips (3); the sidewall of the connecting strips (3) is fixed with a locking block (31); the sidewall of the protective shell (11) is symmetrically provided with locking grooves (32); the locking grooves (32) and the locking blocks (31) are connected by a locking mechanism.

4. The multi-membrane treatment device for NMP purification as described in claim 1, characterized in that: The bottom end of the base (10) is fixed with multiple sets of support legs (4); the bottom end of the support legs (4) is fixed with rubber pads (41).

5. A multi-membrane treatment device for NMP purification as described in claim 1, characterized in that: The protective shell (11) has handles (5) symmetrically fixed to its side walls; the handles (5) have anti-slip sleeves (51) fixed to their middle parts.

6. A multi-membrane treatment device for NMP purification as described in claim 1, characterized in that: The protective shell (11) has an observation window (6) fixed to its side wall; the observation window (6) is made of transparent material.

7. A multi-membrane treatment device for NMP purification as described in claim 1, characterized in that: The protective shell (11) is provided with a sealing strip (7) on its side wall; the sealing strip (7) is connected to the protective shell (11) by adhesive bonding.

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