CN211611678U

CN211611678U - Reflux unit for preparing 4, 4' -methylene-bis- (2, 6-diethylaniline)

Info

Publication number: CN211611678U
Application number: CN201922442146.2U
Authority: CN
Inventors: 王国洪
Original assignee: Fujian Renhong Pharmaceutical Chemical Co ltd
Current assignee: Fujian Renhong Pharmaceutical Chemical Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-02
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a prepare 4, 4' -methylene-two- (2, 6-diethylaniline) with reflux unit, including backward flow jar and rack, the side of backward flow jar is provided with condenser pipe and back flow, and the rack includes stake body and chucking spare, is provided with on the bottom surface of stake body and removes the wheel, and the backward flow jar is located the stake body, chucking spare and stake body adjustable connection, the spacing backward flow jar of chucking spare chucking. The utility model discloses steam in the well rectifying column enters into the condenser and condenses, part liquid enters into in the backward flow jar through the condenser pipe again, flow back in the rectifying column through the back flow, realize the backward flow process, guarantee going on smoothly of backward flow, improve the rectification quality, and the backward flow jar supports firmly through the rack, it is spacing to adopt the chucking to carry out the chucking, effectively guarantee the structure steadiness of backward flow jar, and the rack realizes removing through removing the wheel, can be according to the position of condenser and rectifying column's position adjustment backward flow jar, the pipeline of being convenient for inserts and connects out.

Description

Reflux unit for preparing 4, 4' -methylene-bis- (2, 6-diethylaniline)

Technical Field

The utility model belongs to the technical field of chemical production and processing, concretely relates to preparation reflux unit for 4, 4' -methylene-bis- (2, 6-diethylaniline).

Background

4, 4' -methylene-bis- (2, 6-diethylaniline) is a chemical species. In the preparation of 4, 4' -methylene-bis- (2, 6-diethylaniline), processing is required to be performed through multiple steps. The rectification processing is one of the working procedures in the processing process of 4, 4' -methylene-bis- (2, 6-diethylaniline). In the rectification treatment, reflux is needed to ensure the continuous and stable rectification process. Therefore, a reflow apparatus is needed to ensure the reflow process to be smooth.

Disclosure of Invention

The utility model aims to provide a preparation 4,4 ' -methylene-two- (2, 6-diethylaniline) are with reflux unit's technical scheme to the not enough of prior art existence, steam in the rectifying column enters into the condenser and condenses, part liquid enters into in the backward flow jar through the condenser pipe again, flow back in the rectifying column through the back flow, realize the backward flow process, guarantee going on smoothly of backward flow, improve the rectification quality, and the backward flow jar supports firmly through the rack, it is spacing to adopt chucking spare to carry out the chucking, effectively guarantee the structure steadiness of backward flow jar, and the rack realizes removing through removing the wheel, can be according to the position of condenser and rectifying column's position adjustment backward flow jar, be convenient for the pipeline insert and connect out.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a reflux unit for preparing 4, 4' -methylene-bis- (2, 6-diethylaniline), which is characterized in that: including backward flow jar and rack, the side of backward flow jar is provided with condenser pipe and back flow, and the back flow is located the below of condenser pipe, and the rack includes stake body and chucking spare, is provided with on the bottom surface of stake body and removes the wheel, and the backward flow jar is located the stake body, chucking spare and stake body adjustable connection, the spacing backward flow jar of chucking spare chucking.

Further, the chucking spare is including location snap ring and tight snap ring of clamp, location snap ring and tight snap ring chucking backward flow jar of clamp, the both ends of location snap ring and tight snap ring of clamp all are provided with the locating plate, through fastening bolt fixed connection between two adjacent locating plates around, it is fixed through fastening bolt, effectively guarantee the location snap ring and press from both sides the fastness of connection between the tight snap ring of clamp, thereby guarantee the location snap ring and press from both sides tight limiting displacement of clamp to the lateral wall outside the backward flow jar, guarantee the spacing firm effect of chucking spare to the backward flow jar, effectively prevent the slope of backward flow jar, empty etc., the security performance is improved, and adopt fastening bolt fixed also can be convenient for press from both sides the dismouting between tight snap ring and the location snap ring, thereby be convenient for.

Furthermore, the bracket body comprises a supporting base plate and supporting upright posts, the moving wheels are positioned on the bottom surface of the supporting base plate, the supporting upright posts are symmetrically arranged at the left side and the right side of the rear end of the supporting base plate, a consolidation plate is arranged between the two supporting upright posts and positioned at the top parts of the supporting upright posts, the supporting base plate can facilitate the horizontal placement of the backflow tank, the supporting upright posts can improve the structural strength of the bracket body and facilitate the installation between the clamping piece and the bracket body, meanwhile, the bracket body can be integrally installed and fixed through the supporting upright posts to ensure the placement stability of the whole backflow device, meanwhile, the movement of the position of the bracket body can be facilitated through the design of the moving wheels at the bottom surface of the supporting base plate, so that the backflow tank can be moved to a proper position, the backflow tank can be conveniently carried and moved, the two supporting upright posts are provided with consolidation plates to improve the structural stability, avoiding the bending deformation of the supporting upright post.

Further, location snap ring and support post activity joint, the symmetry is provided with two connecting rods on the lateral wall of location snap ring, all be provided with the regulation spout on two support posts, the connecting rod with adjust the spout phase-match, the connecting rod joint is in adjusting the spout, the tip of connecting rod is provided with the limiting plate, the limiting plate is laminated with the trailing flank of support post mutually, realize the activity joint between location snap ring and the support post through the design of connecting rod and regulation spout, and the connecting rod can slide from top to bottom along adjusting the spout, thereby adjust the upper and lower height of location snap ring, make chucking spare avoid the mouth of pipe on the lateral wall outside the reflux drum, guarantee chucking spare to the chucking effect of reflux drum, and the design of limiting plate can play limiting displacement on the connecting rod, avoid the connecting rod to break away from.

Further, a transverse plate is arranged between two adjacent connecting rods, the transverse plate is attached to the front side face of the supporting upright column, a sliding block is arranged in the middle of the transverse plate, the sliding block is sleeved on the adjusting screw rod, limiting nuts are arranged on the upper side and the lower side of the sliding block respectively, the limiting nuts are screwed on the adjusting screw rod in a threaded manner, the bottom end of the adjusting screw rod is clamped in a limiting sleeve, the bottom end of the adjusting screw rod is fixedly connected with the limiting sleeve through fixing bolts, the limiting sleeve is fixed on the top face of the supporting base plate through screws, the transverse plate is designed to realize indirect connection between the two connecting rods and ensure synchronous movement of the two connecting rods, meanwhile, the transverse plate is provided with the sliding block, the sliding block can slide up and down along the adjusting screw rod so as to drive the two connecting rods to move along the adjusting, the structural firmness of the positioning snap ring is guaranteed, the adjusting screw is limited in preliminary clamping through the limiting sleeve, the adjusting screw is further fixed through the fixing bolt, the mounting firmness of the adjusting screw is effectively guaranteed, and mounting and dismounting are convenient.

Furthermore, the bottom surface of the backflow tank is provided with a supporting foot, the bottom end of the supporting foot is provided with a supporting disk, the supporting foot is provided with a reinforcing member, the reinforcing member comprises a fixed clamping block and a movable clamping block, the supporting foot is clamped by the fixed clamping block and the movable clamping block, the fixed clamping block and the movable clamping block are both attached to the top surface of the supporting disk, the fixed clamping block is abutted against the top surface of the supporting base plate for limiting through the set screw, the structural design is ingenious and reasonable, the supporting legs are clamped and limited by the reinforcing piece through the fixed clamping block and the movable clamping block, meanwhile, the fixed clamping block and the movable clamping block are pressed on the top surface of the supporting disk, and fixed fixture block is spacing fixed through holding screw and supporting baseplate again, and is indirectly with spacing fixed between supporting legs and the supporting baseplate, effectively restricts the removal of backward flow jar on supporting baseplate, and the reinforcement cooperatees with the chucking spare, effectively improves the steadiness of backward flow jar on the rack.

Further, the one end of activity fixture block is articulated with the one end activity of fixed fixture block, the other end of activity fixture block is provided with the fixture block, the other end of fixed fixture block is provided with the draw-in groove, draw-in groove and fixture block phase-match, the fixture block joint is in the draw-in groove, and the other end of activity fixture block and the other end fix with screw of fixed fixture block, the one end of activity fixture block and the one end of fixed fixture block adopt activity articulated design, the joint installation between reinforcement and the supporting legs of can being convenient for, and fixture block and draw-in groove can improve the compactness behind activity fixture block and the fixed fixture block closure, the installation fastness between activity fixture block and the fixed fixture block is effectively guaranteed to the rethread screw is fixed, ensure.

The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:

when the utility model is used in practice, the upper and lower heights of the positioning snap ring are firstly adjusted according to the actual height of the backflow tank to be placed and the position of the pipe orifice on the side wall, so that the positioning snap ring avoids the pipe orifice on the backflow tank, meanwhile, the positioning snap ring is positioned at the middle position of the backflow tank as much as possible, the upper and lower heights of the limiting nut are adjusted, the slider moves up and down along the limiting nut, thereby driving the connecting rod to move up and down along the adjusting chute synchronously through the transverse plate until the positioning snap ring is moved to the proper height, then the backflow tank is moved to the supporting bottom plate, the position of the backflow tank on the supporting bottom plate is adjusted, so that the backflow tank is completely clamped into the arc-shaped groove of the positioning snap ring, then the clamping snap ring is installed, the two ends of the clamping snap ring are fixedly connected with the two ends, rotate movable fixture block, open the reinforcement, install the reinforcement again on the supporting leg for the supporting leg card is gone into in the arc wall of fixed fixture block, and closed movable fixture block is passed through the fix with screw with the open end of movable fixture block after that, makes the supporting leg spacing between fixed fixture block and movable fixture block by the chucking, and contradict on the supporting disk top surface, supports tight spacing between fixed fixture block through holding screw and supporting baseplate again.

The utility model discloses in through the support body to the backward flow jar horizontal support firm, guarantee backward flow jar place the stationarity, avoid the backward flow jar and the direct contact between the ground, protect the backward flow jar, prolong backward flow jar's life, chucking spare carries out chucking spacing to the lateral wall of backward flow jar, effectively improve backward flow jar and place the steadiness on the support body, prevent the slope of backward flow jar and empty etc. improve the security performance, simultaneously through the auxiliary action of reinforcement, further chucking spacing is carried out to the supporting legs of backward flow jar, realize the indirect fixed connection between supporting legs and the support body, thereby further improve backward flow jar and place the fastness on the support body, make the structure of reflux unit more firm, and can promote the support body when needing to remove the backward flow jar, realize the adjustment of backward flow jar position through removing the wheel, use convenient operation, when the backward flow jar position removes to target, can install fixedly between whole rack and other equipment through the stake body to guarantee whole reflux unit's steadiness.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic structural diagram of a reflux unit for preparing 4, 4' -methylene-bis- (2, 6-diethylaniline);

fig. 2 is a rear view of the present invention;

FIG. 3 is a schematic view of the structure of the present invention with the fastener opened;

FIG. 4 is a schematic view of the closed structure of the fastening member of the present invention;

FIG. 5 is a schematic structural view of the rack of the present invention;

fig. 6 is a schematic structural view of a positioning snap ring of the present invention;

fig. 7 is a schematic structural diagram of the middle reflux tank of the present invention.

In the figure: 1-a reflux tank; 2, placing a rack; 3-a condenser pipe; 4-a return pipe; 5-a stent body-; 6-a clip; 7-moving wheels; 8-positioning a snap ring; 9-clamping the snap ring; 10-positioning a plate; 11-a fastening bolt; 12-a support floor; 13-supporting the upright; 14-consolidation plate; 15-a connecting rod; 16-adjusting the chute; 17-a limiting plate; 18-a transverse plate; 19-a slide block; 20-adjusting the screw; 21-a limit nut; 22-a stop collar; 23-a fixing bolt; 24-supporting feet; 25-a support disk; 26-a reinforcement; 27-fixing the fixture block; 28-movable clamping block; 29-set screw; 30-a fixture block; 31-card slot.

Detailed Description

As shown in fig. 1 to 7, for the utility model relates to a preparation reflux unit for 4,4 ' -methylene-bis- (2, 6-diethylaniline), including backflow tank 1 and rack 2, backflow tank 1's side is provided with condenser pipe 3 and back flow 4, back flow 4 is located the below of condenser pipe 3, condenser pipe 3 is linked together with the condenser, and back flow 4 is linked together with the rectifying column, with the liquid reflux after the partial condensation in the rectifying column, improve the quality of rectification, rack 2 includes stake body 5 and chucking spare 6, be provided with on stake body 5's the bottom surface and remove wheel 7, backflow tank 1 is located stake body 5, chucking spare 6 is connected with stake body 5 adjustable, the spacing backflow tank 1 of chucking spare 6 chucking.

Chucking spare 6 is including location snap ring 8 and clamping ring 9, location snap ring 8 and clamping ring 9 chucking backward flow jar 1, the both ends of location snap ring 8 and clamping ring 9 all are provided with locating plate 10, pass through fastening bolt 11 fixed connection between two adjacent locating plates 10 around, it is fixed through fastening bolt 11, effectively guarantee the location snap ring 8 and press from both sides the firm nature of being connected between the clamping ring 9, thereby guarantee location snap ring 8 and the tight clamping ring 9 of clamp and press from both sides tight limiting displacement to backward flow jar 1 lateral wall, guarantee chucking spare 6 to the spacing firm effect of backward flow jar 1, effectively prevent the slope of backward flow jar 1, empty etc., improve the security performance, and adopt fastening bolt 11 fixed also can be convenient for press from both sides the dismouting between clamping ring 9 and the location snap ring 8, thereby be convenient for the installation between backward flow jar 1 and the chucking spare 6.

The support body 5 comprises a support base plate 12 and support upright posts 13, the moving wheels 7 are positioned on the bottom surface of the support base plate 12, the support upright posts 13 are symmetrically arranged on the left side and the right side of the rear end of the support base plate 12, a consolidation plate 14 is arranged between the two support upright posts 13, the consolidation plate 14 is positioned at the top of the support upright posts 13, the support base plate 12 can facilitate the horizontal placement of the backflow tank 1, the support upright posts 13 can improve the structural strength of the support body 5 and facilitate the installation between the clamping piece 6 and the support body 5, meanwhile, the support body 5 can be integrally installed and fixed through the support upright posts 13, the placement stability of the whole backflow device is ensured, meanwhile, the movement of the position of the support body 5 can be facilitated through the design of the moving wheels 7 on the bottom surface of the support base plate 12, so as to move the backflow tank 1 to a proper position, the transportation and movement of the backflow tank 1 are facilitated, the consolidation plates 14 arranged on the two support upright posts 13 can improve, bending deformation of the support columns 13 is avoided.

The positioning snap ring 8 is movably clamped with the support upright posts 13, two connecting rods 15 are symmetrically arranged on the outer side wall of the positioning snap ring 8, adjusting chutes 16 are respectively arranged on the two support upright posts 13, the connecting rods 15 are matched with the adjusting chutes 16, the connecting rods 15 are clamped in the adjusting chutes 16, a limiting plate 17 is arranged at the end part of the connecting rods 15, the limiting plate 17 is attached to the rear side surface of the support upright posts 13, the movable clamping between the positioning snap ring 8 and the supporting upright post 13 is realized through the design of the connecting rod 15 and the adjusting chute 16, and the connecting rod 15 can slide up and down along the adjusting chute 16, thereby adjusting the vertical height of the positioning clamping ring 8, leading the clamping piece 6 to avoid the pipe orifice on the outer side wall of the backflow tank 1, ensuring the clamping action of the clamping piece 6 on the backflow tank 1, and the design of the upper limiting plate 17 of the connecting rod 15 can play a limiting role, so that the connecting rod 15 is prevented from being separated from the adjusting chute 16.

A transverse plate 18 is arranged between two adjacent connecting rods 15, the transverse plate 18 is attached to the front side surface of the supporting upright post 13, a sliding block 19 is arranged in the middle of the transverse plate 18, the sliding block 19 is sleeved on an adjusting screw rod 20, limit nuts 21 are arranged on the upper side and the lower side of the sliding block 19, the limit nuts 21 are screwed on the adjusting screw rod 20, the bottom end of the adjusting screw rod 20 is clamped in a limit sleeve 22, the bottom end of the adjusting screw rod 20 is fixedly connected with the limit sleeve 22 through fixing bolts 23, the limit sleeve 22 is fixed on the top surface of the supporting base plate 12 through screws, the transverse plate 18 is designed to realize indirect connection between the two connecting rods 15 and ensure synchronous movement of the two connecting rods 15, meanwhile, the sliding block 19 is arranged on the transverse plate 18 and can slide up and down along the adjusting screw rod 20, so as to drive the two connecting rods 15 to move along, and the upper and lower both ends of slider 19 are passed through stop nut 21 and are spacing fixed on adjusting screw 20, guarantee the structural firmness of location snap ring 8, and adjusting screw 20 realizes that preliminary joint is spacing through stop collar 22, and rethread fixing bolt 23 is further fixed, effectively guarantees adjusting screw 20's installation firmness, installation easy dismounting.

The bottom surface of the backflow tank 1 is provided with a supporting leg 24, the bottom end of the supporting leg 24 is provided with a supporting disk 25, the supporting leg 24 is provided with a reinforcing member 26, the reinforcing member 26 comprises a fixed clamping block 27 and a movable clamping block 28, the fixed clamping block 27 and the movable clamping block 28 clamp the supporting leg 24, the fixed clamping block 27 and the movable clamping block 28 are both attached to the top surface of the supporting disk 25, the fixed clamping block 27 is abutted to the top surface of the supporting base plate 12 through a set screw 29 for limiting, the structural design is ingenious and reasonable, the reinforcing member 26 clamps the supporting leg 24 for limiting through the fixed clamping block 27 and the movable clamping block 28, meanwhile, the fixed clamping block 27 and the movable clamping block 28 are pressed on the top surface of the supporting disk 25, the fixed clamping block 27 is further limited and fixed with the supporting base plate 12 through the set screw 29, the supporting leg 24 and the, reinforcement 26 cooperatees with chucking spare 6, effectively improves the steadiness of backward flow jar 1 on rack 2.

One end of the movable clamping block 28 is movably hinged with one end of the fixed clamping block 27, the other end of the movable clamping block 28 is provided with a clamping block 30, the other end of the fixed clamping block 27 is provided with a clamping groove 31, the clamping groove 31 is matched with the clamping block 30, the clamping block 30 is clamped in the clamping groove 31, the other end of the movable clamping block 28 is fixed with the other end of the fixed clamping block 27 through screws, one end of the movable clamping block 28 and one end of the fixed clamping block 27 are movably hinged, clamping installation between the reinforcing member 26 and the supporting foot 24 can be facilitated, the clamping block 30 and the clamping groove 31 can improve tightness of the closed movable clamping block 28 and the closed fixed clamping block 27, installation firmness between the movable clamping block 28 and the fixed clamping block 27 is effectively guaranteed through screw fixation, and clamping limiting effect of the movable clamping block 28 and.

The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to achieve substantially the same technical effects are all covered by the scope of the present invention.

Claims

1. A reflux unit for preparing 4, 4' -methylene-bis- (2, 6-diethylaniline), which is characterized in that: including backward flow jar and rack, the side of backward flow jar is provided with condenser pipe and back flow, the back flow is located the below of condenser pipe, the rack includes stake body and chucking spare, be provided with on the bottom surface of stake body and remove the wheel, the backward flow jar is located on the stake body, chucking spare with stake body adjustable connection, chucking spare chucking is spacing the backward flow jar.

2. The reflux apparatus for preparing 4, 4' -methylene-bis- (2, 6-diethylaniline) according to claim 1, wherein: the clamping piece comprises a positioning clamping ring and a clamping ring, the positioning clamping ring is clamped with the clamping ring to clamp the backflow tank, positioning plates are arranged at two ends of the positioning clamping ring and at two ends of the clamping ring, and the positioning plates are adjacent to each other in the front and at the back and are fixedly connected through fastening bolts.

3. The reflux apparatus for preparing 4, 4' -methylene-bis- (2, 6-diethylaniline) according to claim 2, wherein: the support body includes supporting baseplate and support post, it is located to remove the wheel on supporting baseplate's the bottom surface, the support post symmetry sets up the left and right sides of supporting baseplate rear end, two be provided with the consolidation board between the support post, the consolidation board is located the top of support post.

4. The reflux apparatus for preparing 4, 4' -methylene-bis- (2, 6-diethylaniline) according to claim 3, wherein: the utility model discloses a support post, including support post, location snap ring, connecting rod, limiting plate, connecting rod and support post movable joint, the symmetry is provided with two connecting rods on the lateral wall of location snap ring, two all be provided with the regulation spout on the support post, the connecting rod with adjust the spout phase-match, the connecting rod joint is in adjust the spout, the tip of connecting rod is provided with the limiting plate, the limiting plate with the trailing flank of support.

5. The reflux apparatus for preparing 4, 4' -methylene-bis- (2, 6-diethylaniline) according to claim 4, wherein: the adjustable support is characterized in that a transverse plate is arranged between every two adjacent connecting rods, the transverse plate is attached to the front side face of the support stand column, a sliding block is arranged in the middle of the transverse plate, the sliding block is sleeved on an adjusting screw rod, limiting nuts are arranged on the upper side and the lower side of the sliding block respectively, threads of the limiting nuts are screwed on the adjusting screw rod, the bottom end of the adjusting screw rod is clamped in a limiting sleeve, the bottom end of the adjusting screw rod is fixedly connected with the limiting sleeve through a fixing bolt, and the limiting sleeve is fixed to the top face of the support bottom plate through screws.

6. The reflux apparatus for preparing 4, 4' -methylene-bis- (2, 6-diethylaniline) according to claim 1, wherein: the bottom surface of the backflow tank is provided with a supporting leg, the bottom end of the supporting leg is provided with a supporting disk, a reinforcing member is arranged on the supporting leg and comprises a fixed clamping block and a movable clamping block, the fixed clamping block is clamped with the movable clamping block to clamp the supporting leg, the fixed clamping block and the movable clamping block are both attached to the top surface of the supporting disk, and the fixed clamping block is abutted to the top surface of the supporting bottom plate through a set screw and is limited.

7. The reflux apparatus for preparing 4, 4' -methylene-bis- (2, 6-diethylaniline) according to claim 6, wherein: one end of the movable clamping block is movably hinged with one end of the fixed clamping block, the other end of the movable clamping block is provided with a clamping block, the other end of the fixed clamping block is provided with a clamping groove, the clamping groove is matched with the clamping block, the clamping block is clamped in the clamping groove, and the other end of the movable clamping block is fixed with the other end of the fixed clamping block through a screw.