CN208465848U - Magnetic reaction kettle - Google Patents

Abstract

The utility model discloses a kind of magnetic reaction kettles for reducing post-processing workload, accelerating catalyst separation, including reactor main body and the Catalyst Adsorption component for being placed in inside the reactor main body and being fixed on the reactor main body inner wall；The Catalyst Adsorption component includes the more casings connected with the inner wall of the reactor main body, has magnetic pole in described sleeve pipe；Magnetism reaction kettle provided by the utility model, by fixing several casings in reactor main body and being mounted in casing magnetic pole, using magnetic force can metallic catalyst in adsorption reaction liquid, avoid a large amount of metallic catalysts from entering subsequent technical process, alleviate the load of subsequent technique.

Description

Magnetic reaction kettle

Technical field

The utility model relates to chemical equipment technical fields more particularly to one kind being capable of reducing catalyst, realization catalyst The magnetic reaction kettle efficiently separated with reaction solution.

Background technique

After the completion of intermittent catalytic reduction reaction, post-processed after needing to separate metallic catalyst with reaction solution, It needs catalyst that can also reuse simultaneously, reduces the number that comes into operation of catalyst.

Present catalyst separation mostly uses the technological means such as suction filtration, filters pressing or centrifugation, and when processing needs reaction solution It is thrown in separation equipment together with catalyst, and catalyst is stayed in separation equipment, reaction solution separated, difference is urged Agent partial size requires different and is easy blocking filter cloth or strainer to filter cloth or strainer, is unfavorable for solid-liquid quick separating, and catalyst It can just be reused after needing to collect again, increase labor intensity.

In the catalysis reduction of the prior art, benzene nitro, which is converted into the reaction of hydroxylamino, generally uses Raney's nickel as catalysis Agent, and equipment in the prior art be also unable to fully, rapidly realize Raney's nickel and reaction solution separation, general subsequent technique mistake The filtering of journey, mask work load are larger, also improve production cost, and reduce production efficiency.

Utility model content

The purpose of the utility model is to provide a kind of magnetic reactions for reducing post-processing workload, accelerating catalyst separation Kettle.

To achieve the goals above, the utility model provides the following technical solutions:

The magnetic reaction kettle of the utility model, comprising:

Reactor main body；

The Catalyst Adsorption component for being placed in inside the reactor main body and being fixed on the reactor main body inner wall；

The Catalyst Adsorption component includes the more casings connected with the inner wall of the reactor main body, in described sleeve pipe With magnetic pole；

The reactor main body includes cylinder, the upper cover for being installed on the cylinder upper end, is installed on the cylinder lower end Lower head；

The length of described sleeve pipe is not less than the height of the cylinder, and the length of described sleeve pipe is greater than the length of the magnetic pole Degree；

When installation, the upper surface of described sleeve pipe is not less than the upper surface of the cylinder and extends partially into the upper cover It is interior；

Described sleeve pipe is connected by mounting assembly and the cylinder.

Further, the quantity of the casing inside the reactor main body is four, and four described sleeve pipes are along the cylinder Circumferential direction be evenly distributed.

Further, the mounting assembly includes the bracing ring being welded and fixed with the inner wall of the cylinder and is supported in The fixed ring of the bracing ring upper surface；

The bracing ring and the fixed ring are annular structure, and the internal diameter of the bracing ring is less than the fixed ring Internal diameter；

The fixed ring is split type structure comprising two splits are that the fixed ring of annular structure is seperated；

Fixed there are four latch fitting on the inner wall of the fixed ring, described sleeve pipe is fixed on the fixed ring by the latch fitting Inner wall on；

The mounting assembly further includes the positioning seat for being fixed on the lower head inner wall, and the positioning seat is centrally formed with Spliced eye, the lower end of described sleeve pipe are placed in the spliced eye.

Further, the middle part of the latch fitting is arc-shaped, and the actuated position of the latch fitting and the inner wall of the fixed ring are formed For the fixation hole for clamping described sleeve pipe tube wall；

The both ends of the latch fitting are extended to form to two sides as linking arm, and the latch fitting passes through the linking arm and the fixation Ring is connected；

Bolt hole is offered on the linking arm, the latch fitting is fastened by bolts with the fixed ring.

Further, the positioning seat includes positioning seat main body, and the upper end of the positioning seat main body is formed with the grafting Hole, and the whole structure cylindrical of the positioning seat main body, and the lower surface of the positioning seat main body is formed as and the lower envelope The arcuate structure of head interior wall construction cooperation；

The positioning seat main body is welded and fixed with the lower head.

Further, multiple holding rings are intervally distributed on the inner wall of described sleeve pipe, along its axis, the holding ring is arranged It is fixed at the center of described sleeve pipe in the outside for being sheathed on the magnetic pole, and by the magnetic pole.

Further, the surrounding of the holding ring is formed with connecting rod, and the holding ring is fixedly welded on by the connecting rod Inside described sleeve pipe.

Further, the magnetic pole is neodymium iron boron magnetic pole.

Further, the latch fitting and the contact surface of described sleeve pipe are equipped with rubber pad.

In the above-mentioned technical solutions, magnetic reaction kettle provided by the utility model, if by fixed in reactor main body Dry casing is simultaneously mounted with magnetic pole in casing, using magnetic force can metallic catalyst in adsorption reaction liquid, avoid a large amount of metals Catalyst enters subsequent technical process, alleviates the load of subsequent technique.

Mounting assembly has also been devised in the utility model, can ensure casing and magnetic pole when in use using the mounting assembly Stability, and the magnetic force for ensuring that magnetic pole acts on set tube wall are uniform, also can be improved adsorption effect.

Detailed description of the invention

In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only to record in the utility model Some embodiments be also possible to obtain other drawings based on these drawings for those of ordinary skill in the art.

Fig. 1 is the structural schematic diagram of magnetic reaction kettle provided by the embodiment of the utility model；

Fig. 2 is the structural schematic diagram of the bracing ring of magnetic reaction kettle provided by the embodiment of the utility model；

Fig. 3 is the magnetic fixed ring of reaction kettle and the attachment structure schematic diagram of casing provided by the embodiment of the utility model；

Fig. 4 is the structural schematic diagram of the latch fitting of magnetic reaction kettle provided by the embodiment of the utility model；

Fig. 5 is the structural schematic diagram of the positioning seat of magnetic reaction kettle provided by the embodiment of the utility model；

Fig. 6 is the magnetic casing of reaction kettle provided by the embodiment of the utility model and the attachment structure schematic diagram of magnetic pole；

Fig. 7 is the structural schematic diagram of the holding ring of magnetic reaction kettle provided by the embodiment of the utility model.

Description of symbols:

1, cylinder；2, upper cover；3, lower head；4, bracing ring；5, fixed ring；6, casing；7, positioning seat；8, fixed ring point Body；9, latch fitting；10, linking arm；11, bolt hole；12, spliced eye；13, magnetic pole；14, holding ring；15, connecting rod.

Specific embodiment

In order to make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with attached drawing pair The utility model is further detailed.

Referring to shown in Fig. 1-7；

The magnetic reaction kettle of the utility model, comprising:

Reactor main body；

It is placed in inside reactor main body and is fixed on the Catalyst Adsorption component on reactor main body inner wall；

Catalyst Adsorption component includes the more casings 6 connected with the inner wall of reactor main body, has magnetic pole in casing 6 13；

Reactor main body includes cylinder 1, is installed on 1 upper end of cylinder upper cover 2, the lower head for being installed on 1 lower end of cylinder 3；

The length of casing 6 is not less than the height of cylinder 1, and the length of casing 6 is greater than the length of magnetic pole 13；

When installation, the upper surface of casing 6 is not less than the upper surface of cylinder 1 and extends partially into upper cover 2；

Casing 6 is connected by mounting assembly and cylinder 1.

Specifically, mainly having added energy inside reactor main body present embodiment discloses a kind of magnetic reaction kettle The Catalyst Adsorption component of enough adsorbing metal catalyst.The field of the magnetic reaction kettle application of the utility model is introduced first Institute, which, which is mainly converted into the reaction of hydroxylamino to benzene nitro, generally uses Raney's nickel as the change of catalyst Reaction is learned, since Raney's nickel needs to be made into the particulate matter of small volume by the realization of other mechanisms as catalyst, and The granular Raney's nickel requires to launch amount appropriate into reaction solution according to technique；For example, it is with the reaction kettle of 6.3 sides Example, come into operation Raney's nickel catalyst about 50kg for the first time.The raney ni catalysis dosage launched is needed to have different technological reactions Changed, but either in chemical reaction metallic catalyst use which kind of catalyst or be the size of reaction kettle for How much the present embodiment citing introduction several are limited to, and the core as the present embodiment is to use Catalyst Adsorption component To realize the separation of solid and liquid to metallic catalyst and reaction solution.

Wherein, the reactor main body of the present embodiment is generally vertical pressure vessel, and conventional vertical pressure vessel is come It says, cylinder 1, upper cover 2, lower head 3 etc. are all conventional structures, are no longer elaborated here.The present embodiment is in reactor main body Inner wall has added above-mentioned Catalyst Adsorption component, and the Catalyst Adsorption component includes more casings 6, grasps in non-separating technology When making, the casing 6 that the present embodiment adds can play the role of baffle plate, i.e., generally had in reactor main body promotion react into Row ensures well-mixed stirring flabellum, and with the progress of stirring, the casing 6 in the present embodiment again can be to single direction Agitation form certain disturbance, destroy original flow trace, the disturbance at this can with stirring together realize catalyst and instead Liquid is answered to be sufficiently mixed.In addition, being equipped with magnetic pole 13 in the casing 6 of the present embodiment, which is mainly operated in separating technology When the metallic catalyst being blended in reaction solution is adsorbed, major part at this moment can be adsorbed under the magneticaction of magnetic pole 13 Metallic catalyst is obtained through actual use statistics: if be adsorbed on outside casing after launching the final separation of 50kg Raney's nickel catalyst Raney's nickel on wall can reach 48kg or so, and remaining a small amount of Raney's nickel catalyst, which is not adsorbed, to be mainly catalyzed in preparation It is unified not can guarantee grain diameter when agent, and the catalyst that this part is not adsorbed is mainly the lesser catalysis of grain diameter Agent results in the magneticaction received unobvious since partial size is smaller, although this part is not completely segregated, for changing For the equipment such as the subsequent filtering of work reaction, most of catalyst can be separated in advance and has been able to reduce significant portion equipment Load, and remaining catalyst particle can use subsequent filter etc. and further be filtered, to complete solid-liquid point From.

Preferably, the quantity of the casing 6 in the present embodiment inside reactor main body is four, and four casings 6 are along cylinder 1 Circumferentially it is evenly distributed.By long-term practice, the quantity of the casing 6 in the utility model determines the quantity of magnetic pole 13, also just certainly The ability of magnetic force size and adsorption catalyst that can be obtained is determined, in general, at reactor main body interior design four Abundant absorption can be realized in casing 6, while four casings 6 uniformly distributed better effect inside reactor main body is beautiful, and is convenient for Later maintenance.

Preferably, mounting assembly includes the bracing ring 4 being welded and fixed with the inner wall of cylinder 1 and support in the present embodiment Fixed ring 5 in 4 upper surface of bracing ring；Bracing ring 4 and fixed ring 5 are annular structure, and the internal diameter of bracing ring 4 is less than admittedly Determine the internal diameter of ring 5；Wherein, fixed ring 5 is split type structure comprising two splits are the fixed ring fission 8 of annular structure； In addition, fixed there are four latch fitting 9 on the inner wall of the fixed ring 5 in the present embodiment, casing 6 is fixed on fixed ring 5 by latch fitting 9 On inner wall；Finally, avoiding toppling under action of a fluid or moving, this implementation to improve the stability of casing 6 and magnetic pole 13 The mounting assembly of example further includes the positioning seat 7 for being fixed on 3 inner wall of lower head, and positioning seat 7 is centrally formed with spliced eye 12, casing 6 lower end is placed in spliced eye 12.

Specifically, the present embodiment describes in detail and a kind of preferably obtains the structure of mounting assembly: its mainly include with The fixed ring 5 of bracing ring 4 and support and 4 upper surface of bracing ring that 1 inner wall of cylinder is fixedly connected, wherein bracing ring 4 is installation The major support members of component, structure annular in shape, and be welded and fixed with the inner wall of cylinder 1, it should be noted that this reality Applying the bracing ring 4 in example is only the absolute altitude effect for providing certain support for above-mentioned fixed ring 5, and also acting as certain, Therefore, the internal diameter of the bracing ring 4 in the present embodiment is larger as far as possible, and in general, 4 outer diameter of bracing ring is equal in actual use The internal diameter of cylinder 1, and the internal diameter of bracing ring 4 20~40mm small compared with its outer diameter, the surface of such bracing ring 4 will reserve 10 The supporting surface of~20mm, fixed ring 5 above-mentioned enough support.In addition, the fixed ring 5 in the present embodiment uses and bracing ring 4 Same annular structure, and in order to guarantee that casing 6 can extend at center as far as possible, the internal diameter of the fixed ring 5 of the present embodiment needs It is less than the internal diameter of bracing ring 4, then the internal diameter of general fixed ring 5 is being consolidated again compared with the small 10~20mm of internal diameter of bracing ring 4 The fixed above-mentioned latch fitting 9 of inner wall for determining ring 5, casing 6 to be fixed in fixed ring 5.Wherein, the internal diameter of fixed ring 5 is less than The purpose of the internal diameter of bracing ring 4 is the energy that has also been yes in order to allow inner wall of the casing 6 as close as possible to center, namely far from cylinder 1 It enough allows 13 surrounding of magnetic pole that can contact mixed liquor as far as possible, has reached the effect of abundant adsorbing metal catalyst, while being also to be It avoids generating excessive absorption between cylinder 1 and magnetic pole 13, reduces the effect adsorbed close to cylinder side casing 6.Finally, In order to guarantee casing 6 install after can be more stable in the fluid constantly stirred, the present embodiment designs in lower head 3 Four positioning seats 7, the positioning seat 7 have the spliced eye 12 that casing 6 can be allowed to be inserted into, and casing 6 is fixed on fixation by latch fitting 9 After ring 5, lower end needs to be inserted into the spliced eye 12, to ensure that the upper and lower ends of casing 6 have binding force, can effectively resist Disturbance from fluid, improves structural stability.

It is furthermore preferred that the present embodiment specifically describes the structure of latch fitting 9, the middle part of above-mentioned latch fitting 9 is arc-shaped, the latch fitting 9 actuated position and the inner wall of fixed ring 5 are formed as the fixation hole of 6 tube wall of grip sleeve；The both ends of latch fitting 9 extend shape to two sides As linking arm 10, latch fitting 9 is connected by linking arm 10 and fixed ring 5；Offer bolt hole 11 on linking arm 10, latch fitting 9 with Fixed ring 5 is fastened by bolts.Latch fitting 9 is whole to be formed by one whole steel bending, and wherein the middle part of latch fitting 9 needs reserved clamping The arcuate structure of casing 6, and the shape at both ends is in the arc cooperated with 5 inner wall of fixed ring, so during installation, latch fitting 9 can Centainly clamp casing 6 by the structure and fixed ring 5 at middle part, avoid its movement, and the linking arm 10 at both ends can with it is solid Determine the cooperation of ring 5 and guarantees 9 integral installation stability of latch fitting.In addition, for the ease of installation and later period disassembly, the latch fitting 9 of the present embodiment It is fastened using bolt and fixed ring 5, the position that opens up of specific bolt sees above introduction.

It is furthermore preferred that positioning seat 7 includes positioning seat main body in the present embodiment, the upper end of positioning seat main body is formed with spliced eye 12, and the whole structure cylindrical of positioning seat main body, and the lower surface of positioning seat main body is formed as matching with 3 interior wall construction of lower head The arcuate structure of conjunction；Positioning seat main body is welded and fixed with lower head 3.The structure of the positioning seat 7 of the present embodiment introduction, needs to guarantee Two o'clock, one are the upper end of positioning seat 7 with the spliced eye 12 that casing 6 can be allowed to be inserted into, meanwhile, which can not Ether is deep, generally in 50mm or so, as long as guaranteeing that casing 6 and magnetic pole 13 can be caught in the spliced eye 12 completely.Separately Outside, since the positioning seat 7 is fixed on 3 inner wall of lower head, it is therefore desirable to guarantee the lower end surface shape and lower head of positioning seat 7 3 inner wall cooperation, and specific shape needs depending on the specific location that it is fixed on lower head 3.

Since the height of cylinder 1 is larger, and cause the length of casing 6 and magnetic pole 13 all very long, pacifies to improve magnetic pole 13 Stability after dress, also for that can ensure that 6 surrounding adsorption capacity of casing is equal, on the inner wall of the casing 6 of the present embodiment, along it Axis is intervally distributed with multiple holding rings 14, and holding ring 14 is sheathed on the outside of magnetic pole 13, and magnetic pole 13 is fixed on At the center of casing 6.Wherein, the surrounding of above-mentioned holding ring 14 is formed with connecting rod 15, and holding ring 14 is solid by the welding of connecting rod 15 It (using split type casing 6 or is recycled in the position aperture for welding the holding ring 14 at this inside casing 6 The technique that rear sealing of hole is welded and fixed is realized).Magnetic pole 13 involved in the present embodiment is neodymium iron boron magnetic pole.Neodymium iron boron magnetic pole has in this There is very strong magnetic force, it being capable of Raney's nickel catalyst sufficiently in adsorption reaction liquid.

It is furthermore preferred that the present embodiment avoids metal from contacting with metal and excessively compressing influences set for protection sleeve pipe 6 The circularity of pipe 6, the latch fitting of the present embodiment and the contact surface of casing 6 are equipped with rubber pad.

In the above-mentioned technical solutions, magnetic reaction kettle provided by the utility model, if by fixed in reactor main body Dry casing 6 is simultaneously mounted with magnetic pole 13 in casing 6, using magnetic force can metallic catalyst in adsorption reaction liquid, avoid a large amount of Metallic catalyst enters subsequent technical process, alleviates the load of subsequent technique.

Mounting assembly has also been devised in the utility model, can ensure that casing 6 and magnetic pole 13 are using using the mounting assembly When stability, and the magnetic force for ensuring that magnetic pole 13 acts on 6 tube wall of casing is uniform, also can be improved adsorption effect.

It is above that certain exemplary embodiments of the utility model are only described by way of explanation, undoubtedly, for Those skilled in the art can be with a variety of different without departing from the spirit and scope of the utility model Mode is modified described embodiment.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as Limitation to the utility model claims protection scope.

Claims (9)

1. magnetic reaction kettle characterized by comprising

Reactor main body；

The Catalyst Adsorption component for being placed in inside the reactor main body and being fixed on the reactor main body inner wall；

The Catalyst Adsorption component includes the more casings (6) connected with the inner wall of the reactor main body, described sleeve pipe (6) It is interior that there are magnetic pole (13)；

The reactor main body includes cylinder (1), the upper cover (2) for being installed on the cylinder (1) upper end, is installed on the cylinder (1) lower head (3) of lower end；

The length of described sleeve pipe (6) is not less than the height of the cylinder (1), and the length of described sleeve pipe (6) is greater than the magnetic pole (13) length；

When installation, the upper surface of described sleeve pipe (6) is not less than the upper surface of the cylinder (1) and extends partially into the upper envelope In head (2)；

Described sleeve pipe (6) is connected by mounting assembly and the cylinder (1).

2. magnetism reaction kettle according to claim 1, which is characterized in that casing (6) inside the reactor main body Quantity is four, and four described sleeve pipes (6) are evenly distributed along the circumferential direction of the cylinder (1).

3. magnetism reaction kettle according to claim 1, which is characterized in that the mounting assembly includes and the cylinder (1) The bracing ring (4) that is welded and fixed of inner wall and be supported in the fixed ring (5) of the bracing ring (4) upper surface；

The bracing ring (4) and the fixed ring (5) are annular structure, and the internal diameter of the bracing ring (4) is less than described The internal diameter of fixed ring (5)；

The fixed ring (5) is split type structure comprising two splits are that the fixed ring of annular structure is seperated (8)；

Fixed there are four latch fitting (9) on the inner wall of the fixed ring (5), described sleeve pipe (6) is fixed on institute by the latch fitting (9) On the inner wall for stating fixed ring (5)；

The mounting assembly further includes the positioning seat (7) for being fixed on the lower head (3) inner wall, the center of the positioning seat (7) It is formed with spliced eye (12), the lower end of described sleeve pipe (6) is placed in the spliced eye (12).

4. magnetism reaction kettle according to claim 3, which is characterized in that the middle part of the latch fitting (9) is arc-shaped, the latch fitting (9) inner wall of actuated position and the fixed ring (5) is formed as clamping the fixation hole of described sleeve pipe (6) tube wall；

The both ends of the latch fitting (9) are extended to form to two sides as linking arm (10), and the latch fitting (9) passes through the linking arm (10) It is connected with the fixed ring (5)；

It is offered bolt hole (11) on the linking arm (10), the latch fitting (9) is fastened by bolts with the fixed ring (5).

5. magnetism reaction kettle according to claim 3, which is characterized in that the positioning seat (7) includes positioning seat main body, institute The upper end for stating positioning seat main body is formed with the spliced eye (12), and the positioning seat main body integrally structure cylindrical, and institute The lower surface for stating positioning seat main body is formed as the arcuate structure cooperated with the lower head (3) interior wall construction；

The positioning seat main body is welded and fixed with the lower head (3).

6. magnetism reaction kettle according to claim 1, which is characterized in that on the inner wall of described sleeve pipe (6), between its axis Every being distributed with multiple holding rings (14), the holding ring (14) is sheathed on the outside of the magnetic pole (13), and will be described Magnetic pole (13) is fixed at the center of described sleeve pipe (6).

7. magnetism reaction kettle according to claim 6, which is characterized in that the surrounding of the holding ring (14) is formed with connecting rod (15), the holding ring (14) is fixedly welded on described sleeve pipe (6) inside by the connecting rod (15).

8. magnetism reaction kettle according to claim 1, which is characterized in that the magnetic pole (13) is neodymium iron boron magnetic pole.

9. magnetism reaction kettle according to claim 3, which is characterized in that the contact of the latch fitting (9) and described sleeve pipe (6) Face is equipped with rubber pad.