CN216703372U - Distillation device for purifying hydroxamic acid compounds - Google Patents

Abstract

The utility model discloses a distillation device for purifying hydroxamic acid compounds, which comprises a distillation tank and a stirring assembly arranged on the distillation tank, wherein a partition is arranged in a tank body of the distillation tank, the partition divides an inner cavity of the tank body to form a heating cavity and a distillation cavity, a plurality of convex ribs are uniformly arranged on the inner wall of the partition along the circumferential direction of the partition, temperature sensors are respectively arranged in the heating cavity and the distillation cavity, the stirring assembly comprises a stirring piece which is rotatably arranged in the distillation cavity, the stirring piece comprises a stirring shaft and a plurality of turntables which are uniformly and fixedly arranged on the stirring shaft, each turntable is arranged between two convex ribs in the partition, and every two turntables are arranged in parallel and have equal distance, the distillation device for purifying hydroxamic acid compounds can control the temperature during distillation, ensure that materials are uniformly heated during distillation, and prevent the materials from being coked due to nonuniform heating or overhigh temperature, the stable yield of the hydroxamic acid compound is ensured.

Description

Distillation device for purifying hydroxamic acid compounds

Technical Field

The utility model relates to the technical field of chemical equipment, in particular to a distillation device for purifying hydroxamic acid compounds.

Background

Hydroxamic acids, also known as acylhydroxylamines, are a class of compounds having the structure-C (═ O) -NH-OH, and are weakly acidic. Hydroxamic acid compounds are widely applied to a plurality of fields of mineral flotation agents, extracting agents, analysis color developing agents, heavy metal ion trapping agents and the like because the hydroxamic acid compounds have stronger chelating effect on a plurality of metal ions to form stable hydroxamic acid chelates. At present, a method for synthesizing hydroxamic acid compounds generally takes polyester, polyamide or polyunsaturated carboxylic acid as a raw material, the raw material reacts with hydroxylamine hydrochloride under heating and alkaline conditions, the material generated by the reaction contains various organic impurities, the hydroxamic acid compounds in the material need to be purified by distillation, the material after the reaction is conveyed into a distillation tank in the existing distillation mode, and the distillation tank is directly heated by an electric heater.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a distillation apparatus for purifying hydroxamic acid compounds to solve the above problems.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a hydroximic acid compound is distillation plant for purification, includes the retort and installs stirring subassembly on the retort, the internal portion of jar of retort is provided with the separator, the separator will the inner chamber partition of the jar body is formed with heating chamber and distillation chamber, follow on the inner wall of separator the circumferencial direction of separator evenly is provided with a plurality of protruding muscle, the heating chamber with all install temperature sensor in the distillation chamber, stirring subassembly is including rotationally setting up stirring piece in the distillation chamber, stirring piece includes (mixing) shaft and uniformly fixed mounting be in stir epaxial a plurality of carousels, every the carousel all sets up two in the separator just per two between the protruding muscle carousel parallel arrangement and interval equal.

Further, the heating cavity and the distillation cavity are arranged in a separated mode, and the convex rib is arranged in the distillation cavity.

Further, the partition is of a cylindrical structure, the heating cavity is located between the side wall of the tank body and the partition, and the distillation cavity is located in the partition. Further, be connected with inlet pipe and outlet duct on the lateral wall of the top both sides of jar body, the inlet pipe with the outlet duct all with the distillation chamber is linked together.

Further, be connected with steam on the lateral wall of the bottom both sides of the jar body and advance pipe and lime set exit tube, steam advance the pipe with lime set exit tube all with the heating chamber is linked together.

Further, be connected with the row material pipe on the diapire of jar body, arrange the material pipe with distillation chamber is linked together.

Further, the distillation tank also comprises a sealing cover, and the sealing cover is detachably covered on the top of the tank body.

Further, the stirring assembly further comprises a driving piece and a positioning piece, the driving piece is installed at the top of the distillation tank, a driving shaft of the driving piece is in transmission connection with the stirring shaft, and the positioning piece is arranged in the distillation cavity.

Further, the setting element includes the bearing frame, and the symmetry sets up the connecting rod of bearing frame both sides, and install bearing on the bearing frame, the connecting rod with bearing frame fixed connection or integrated into one piece, the one end of connecting rod is fixed on the inside lateral wall of separator, the one end of (mixing) shaft is worn to establish in the bearing.

The beneficial effects of the utility model are:

the utility model provides a distillation device for purifying hydroxamic acid compounds, which comprises a distillation tank and a stirring assembly arranged on the distillation tank, wherein a partition is arranged in a tank body of the distillation tank, the partition divides an inner cavity of the tank body into a heating cavity for containing heating steam and a distillation cavity for distilling hydroxamic acid compounds, a plurality of convex ribs are uniformly arranged on the inner wall of the partition along the circumferential direction of the partition, temperature sensors for monitoring temperature are respectively arranged in the heating cavity and the distillation cavity, the stirring assembly comprises a stirring piece which is rotatably arranged in the distillation cavity, the stirring piece comprises a stirring shaft and a plurality of turntables which are uniformly and fixedly arranged on the stirring shaft, each turntable is arranged between two convex ribs in the partition, every two turntables are arranged in parallel and have equal distance, and during distillation, the heating cavity is filled with heating steam to heat the distillation cavity, can guarantee that the lateral wall temperature in distillation chamber keeps unanimous, simultaneously, when stirring spare rotated, a plurality of carousels on the (mixing) shaft drove the material and flows along the clearance between two protruding muscle, make the material be heated evenly, but the temperature sensor in heating chamber and the distillation intracavity prevents that the material from because of being heated inequality or high temperature and coking, guarantees that hydroxamic acid compound's productivity is stable.

Drawings

The utility model is further illustrated by the following figures and examples.

FIG. 1 is a schematic perspective view of a distillation apparatus for hydroxamate purification according to the present invention;

FIG. 2 is a sectional view of a distillation tank equipped with a stirring assembly in the distillation apparatus for hydroxamate purification according to the present invention shown in FIG. 1;

FIG. 3 is a schematic perspective view of the stirring member of the stirring assembly shown in FIG. 2;

fig. 4 is a top view of a positioning member of the stirring assembly shown in fig. 2.

In the figure: 100. hydroximic acid compound is distillation plant for purification, 1, retort, 11, the jar body, 111, the separator, 1111, protruding muscle, 112, the heating chamber, 113, distillation chamber, 12, sealed lid, 13, inlet pipe, 14, outlet duct, 15, steam inlet pipe, 16, the condensate outlet pipe, 17, arrange the material pipe, 2, stirring subassembly, 21, the driving piece, 22, stirring piece, 221, (mixing) shaft, 222, the carousel, 23, the setting element, 231, the bearing frame, 232, the connecting rod, 233, the bearing, 3, the support frame.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

As shown in fig. 1, the present invention provides a distillation apparatus 100 for hydroxamate purification, which is used for performing distillation purification on hydroxamate, wherein the distillation apparatus 100 for hydroxamate purification comprises a distillation tank 1 for performing thermal distillation on hydroxamate, a stirring assembly 2 mounted on the distillation tank 1 for stirring hydroxamate, and a support frame 3 mounted at the bottom of the distillation tank 1 for supporting the distillation tank 1, hydroxamate to be distilled is conveyed into the distillation tank 1 through a pipeline for performing thermal distillation, and the stirring assembly 2 is used for stirring hydroxamate in the distillation tank 1 during heating so as to ensure that the hydroxamate is uniformly heated.

As shown in fig. 1 and 2, the distillation retort 1 comprises a can body 11 and a sealing cover 12 detachably covered on the top of the can body 11 for sealing the can body 11, a cylindrical partition 111 is fixedly arranged inside the can body 11, the partition 111 divides the inner cavity of the can body 11 to form a heating cavity 112 for containing heating steam and a distillation cavity 113 for distilling hydroxamic acid compounds, the heating cavity 112 is located between the side wall of the tank body 11 and the partition 111, the distillation cavity 113 is located in the partition 111, the heating cavity 112 and the distillation cavity 113 are arranged in a partitioned manner, a plurality of convex ribs 1111 are uniformly arranged on the inner wall of the partition 111 along the circumferential direction of the partition 111, the plurality of convex ribs 1111 are located in the distillation cavity 11, in the embodiment, temperature sensors (not shown) for monitoring the temperature are arranged in the heating cavity 112 and the distillation cavity 113, and the number of the convex ribs 1111 on the inner side wall of the partition 111 is thirteen; the side walls of the two sides of the top of the tank body 11 are connected with a feed pipe 13 for conveying hydroxamic acid compounds and an outlet pipe 14 for discharging distilled gas, the feed pipe 13 and the outlet pipe 14 both penetrate through the side wall of the tank body 11 and the partition 111 and are communicated with a distillation cavity 113 in the partition 111, the side walls of the two sides of the bottom of the tank body 11 are connected with a steam inlet pipe 15 for conveying heating steam and a condensate outlet pipe 16 for discharging steam condensate, the steam inlet pipe 15 and the condensate outlet pipe 16 both penetrate through the side wall of the tank body 11 and are communicated with the heating cavity 112, the bottom wall of the tank body 11 is connected with a discharge pipe 17 for discharging distilled residual materials, and the discharge pipe 17 penetrates through the bottom wall of the tank body 11 and is communicated with the distillation cavity 113, the inlet pipe 13, the outlet pipe 14, the steam inlet pipe 15, the condensate outlet pipe 16 and the discharge pipe 17 are provided with control valves (not shown) for controlling the flow of fluid.

As shown in fig. 1, 2, 3 and 4, the stirring assembly 2 includes a driving member 21 mounted on the sealing cover 12, a stirring member 22 rotatably disposed in the distillation chamber 113 of the distillation tank 1 for stirring the hydroxamic acid compound, and a positioning member 23 mounted at the inner bottom of the partition 111 for stabilizing the stirring member 22, the stirring member 22 includes a stirring shaft 221 and a plurality of rotating discs 222 uniformly and fixedly mounted on the stirring shaft 221, each rotating disc 222 is disposed between two ribs 1111 in the partition 111, and each two rotating discs 222 are disposed in parallel and at equal intervals, in this embodiment, the number of the rotating discs 222 is twelve; the driving shaft of the driving member 21 passes through the sealing cover 12 at the top of the tank 11 and extends into the distillation chamber 113 and is in transmission connection with one end of the stirring shaft 221 of the stirring member 22, the positioning member 23 is arranged below the convex rib 1111 in the partition member 111, the positioning member 23 comprises a bearing seat 231, connecting rods 232 symmetrically arranged on two sides of the bearing seat 231 and used for fixing the bearing seat 231 and bearings 233 arranged on the bearing seat 231, the connecting rods 232 are fixedly connected with or integrally formed with the bearing seat 231, one ends of the two connecting rods 232 are respectively fixed on the inner side wall of the partition member 111, one end of the stirring shaft 221 opposite to the driving shaft of the driving member 21 is arranged in the bearings 233 in a penetrating manner, when the driving member 21 drives the stirring member 22 to rotate, the bottom of the stirring member 22 is fixed through the positioning member 23 so as to prevent the stirring member 22 from shaking.

During the use, start driving piece 21, driving piece 21 drives stirring piece 22 and rotates, advance pipe 15 through steam with the heating steam and carry distillation chamber 113 in heating chamber 112 and preheat, treat that the temperature in distillation chamber 113 reaches a definite value and stable back, will treat that distilled hydroxamic acid compound carries through inlet pipe 13 and heats the distillation to distillation chamber 113 in, the material steam that the distillation produced passes through outlet duct 14 and discharges the collection, the steam condensate that the heating steam produced passes through condensate outlet pipe 16 and discharges heating chamber 112 and collect, after the distillation is accomplished, remaining material discharges and collects through arranging material pipe 17 in the distillation chamber 113.

The utility model provides a distillation device 100 for purifying hydroxamic acid compounds, which comprises a distillation tank 1 and a stirring assembly 2 arranged on the distillation tank 1, wherein a partition 111 is arranged in a tank body 11 of the distillation tank 1, the partition 111 partitions an inner cavity of the tank body 11 into a heating cavity 112 for containing heating steam and a distillation cavity 113 for distilling hydroxamic acid compounds, a plurality of convex ribs 1111 are uniformly arranged on the inner wall of the partition 111 along the circumferential direction of the partition 111, temperature sensors for monitoring temperature are respectively arranged in the heating cavity 112 and the distillation cavity 113, the stirring assembly 2 comprises a stirring piece 22 rotatably arranged in the distillation cavity 113, the stirring piece 22 comprises a stirring shaft 221 and a plurality of turntables 222 uniformly and fixedly arranged on the stirring shaft 221, each turntable 222 is arranged between two convex ribs 1111 in the partition 111, every two turntables 222 are arranged in parallel and have equal distance, during the distillation, be filled with heating steam in the heating chamber 112 and heat distillation chamber 113, can guarantee that distillation chamber 113's lateral wall temperature keeps unanimous, and simultaneously, when stirring piece 22 rotated, a plurality of carousels 222 on the (mixing) shaft 221 drive the material along the clearance between two protruding muscle 1111 and flow, make the material be heated evenly, but the temperature sensor monitoring temperature in heating chamber 112 and the distillation chamber 113 prevents that the material from because of being heated inequality or high temperature and coking, guarantees that hydroxamic acid compound's productivity is stable.

In light of the foregoing description of preferred embodiments in accordance with the utility model, it is to be understood that numerous changes and modifications may be made by those skilled in the art without departing from the scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (9)

1. The utility model provides a hydroximic acid compound distillation plant for purification, its characterized in that, include the retort and install stirring subassembly on the retort, the internal portion of jar of retort is provided with the separator, the separator will the inner chamber of the jar body is separated and is formed with heating chamber and distillation chamber, follow on the inner wall of separator the circumferencial direction of separator evenly is provided with a plurality of protruding muscle, the heating chamber with all install temperature sensor in the distillation chamber, stirring subassembly is including rotationally setting up stirring piece in the distillation chamber, stirring piece includes (mixing) shaft and uniformly fixed mounting be in epaxial a plurality of carousels, every the carousel all sets up two in the separator just per two between the protruding muscle carousel parallel arrangement and interval equal.

2. The distillation apparatus as claimed in claim 1, wherein the heating chamber and the distillation chamber are separately provided, and the rib is provided in the distillation chamber.

3. The distillation apparatus of claim 1, wherein the partition is a cylindrical structure, the heating chamber is located between the side wall of the tank and the partition, and the distillation chamber is located within the partition.

4. The distillation apparatus for the purification of hydroxamic acid compounds according to claim 1, wherein the tank body is connected with a feed pipe and an air outlet pipe on the side walls of both sides of the top thereof, and the feed pipe and the air outlet pipe are communicated with the distillation chamber.

5. The distillation apparatus as claimed in claim 1, wherein a steam inlet pipe and a condensate outlet pipe are connected to the sidewalls of both sides of the bottom of the tank body, and both the steam inlet pipe and the condensate outlet pipe are communicated with the heating chamber.

6. The apparatus of claim 1, wherein a discharge conduit is connected to the bottom wall of the tank and is in communication with the distillation chamber.

7. The distillation apparatus for the purification of hydroxamate according to claim 1, wherein said distillation pot further comprises a sealing cap removably covering the top of said pot.

8. The distillation apparatus as claimed in claim 1, wherein the stirring assembly further comprises a driving member and a positioning member, the driving member is mounted on the top of the distillation tank, the driving shaft of the driving member is in transmission connection with the stirring shaft, and the positioning member is disposed in the distillation chamber.

9. The distillation apparatus as claimed in claim 8, wherein the positioning member comprises a bearing seat, connecting rods symmetrically disposed at both sides of the bearing seat, and a bearing installed on the bearing seat, the connecting rods are fixedly connected or integrally formed with the bearing seat, one end of the connecting rod is fixed on the inner sidewall of the partition, and one end of the stirring shaft is inserted into the bearing.

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