CN219043101U

CN219043101U - Boron trifluoride acetonitrile complex preparation cooling crystallization device

Info

Publication number: CN219043101U
Application number: CN202223390563.5U
Authority: CN
Inventors: 王清海; 王若菡; 张永进; 杨艳红
Original assignee: Hebei Runbang Chemical Co ltd
Current assignee: Hebei Runbang Chemical Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-19
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a boron trifluoride acetonitrile complex preparation cooling crystallization device, which comprises a complexing tank and a crystallization filter, wherein the crystallization filter is fixedly arranged at the center of the bottom of the complexing tank, a liquid outlet pipe is fixedly arranged at the bottom of the complexing tank, the liquid outlet pipe penetrates through and stretches into the crystallization filter, a circulating pump is fixedly arranged at one side of the complexing tank, a fixed supporting rod is fixedly arranged on the side wall of the crystallization filter, a heat conducting plate is fixedly arranged at one end of the fixed supporting rod, a plurality of heat conducting rods are fixedly arranged at one side of the heat conducting plate, a heat radiating plate is fixedly arranged at one end of the heat conducting rod, a condenser is fixedly arranged at the bottom of the crystallization filter, a spiral condensing pipe is arranged on the condenser, and the spiral condensing pipe is positioned in the crystallization filter. The utility model has the advantages of improving the heat dissipation effect, improving the cooling efficiency of the condensed liquid, reducing the energy consumption of the condenser, improving the heat dissipation efficiency and reducing the production cost.

Description

Boron trifluoride acetonitrile complex preparation cooling crystallization device

Technical Field

The utility model relates to the technical field of preparation of boron trifluoride acetonitrile complexes, in particular to a cooling crystallization device for preparing boron trifluoride acetonitrile complexes.

Background

The boron trifluoride complex is a catalyst with strong activity, can be used in various organic synthesis reactions, especially in the synthesis process of cephalosporin antibacterial drugs, shortens the reaction time of the original product and greatly improves the yield of the original product due to the introduction of the boron trifluoride complex. The boron trifluoride acetonitrile complex needs to be purified in the preparation process, the purification needs to be cooled and crystallized, the cooling is usually carried out through the condensation of a condenser, the cooling efficiency is lower, the energy consumption is higher, and the production cost is higher.

The foregoing is not necessarily a prior art, and falls within the technical scope of the inventors.

Disclosure of Invention

The utility model aims to solve the problems, and designs a boron trifluoride acetonitrile complex preparation cooling crystallization device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a boron trifluoride acetonitrile complex preparation cooling crystallization device, includes complexation jar and crystallization filter, crystallization filter fixed mounting is in complexation jar bottom center department, complexation jar bottom fixed mounting has the drain pipe, the drain pipe runs through and stretches into in the crystallization filter, complexation jar one side fixed mounting has the circulating pump, crystallization filter lateral wall fixed mounting has fixed branch, fixed branch one end fixed mounting has the heat-conducting plate, heat-conducting plate one side fixed mounting has a plurality of heat-conducting rods, heat-conducting rod one end runs through and stretches out crystallization filter, heat-conducting rod one end fixed mounting has the heating panel, crystallization filter bottom fixed mounting has the condenser, be equipped with spiral condenser pipe on the condenser, spiral condenser pipe is located crystallization filter.

Further, spiral condenser pipe top fixedly connected with circulation condenser pipe, circulation condenser pipe runs through and stretches out crystallization filter, circulation condenser pipe outer wall fixedly connected with arc baffle, fixedly connected with radiating rod on the arc baffle, radiating rod one end and heating panel fixed connection.

Further, the heat conducting rod is provided with a plurality of heat conducting plates and evenly distributed on one side of the heat conducting plates in a transverse mode.

Further, the arc-shaped guide plate and the heat dissipation rods are provided with a plurality of heat dissipation rods which are uniformly and vertically distributed on the outer wall of the circulating condensing tube.

Further, the crystallization filter is connected with an inlet of a circulating pump through a pipeline, and an outlet of the circulating pump is connected with an inlet of a complexing tank through a pipeline.

Further, a one-way electromagnetic valve is arranged on the liquid outlet pipe.

Furthermore, one end of the circulating condensation pipe is fixedly connected with the condenser, and the circulating condensation pipe, the arc-shaped guide plate and the radiating rod are made of copper.

Compared with the prior art, the technical scheme has the following beneficial effects:

1. the heat in the crystallization filter is conducted to the heat dissipation plate through the heat conduction plate and the heat conduction rod, the area of the heat dissipation plate in contact with air is large, the heat dissipation effect is improved, meanwhile, the spiral condensation pipe is used for cooling, condensed liquid can circulate through the circulation condensation pipe, the heat of the circulation condensation pipe can be conducted to the heat dissipation plate through the arc-shaped guide plate and the heat dissipation rod for cooling, the cooling efficiency of the condensed liquid is improved, the energy consumption of the condenser is reduced, the heat dissipation efficiency is improved, and the production cost is reduced.

Drawings

FIG. 1 is a schematic diagram of a device for preparing boron trifluoride acetonitrile complex and cooling and crystallizing.

FIG. 2 is a schematic cross-sectional view of a crystallization filter.

Fig. 3 is an enlarged top view of the crystallization filter.

Fig. 4 is a partial enlarged view at a in fig. 3.

In the figure: 1. a complexing tank; 2. a crystallization filter; 3. a liquid outlet pipe; 4. a circulation pump; 5. fixing the support rod; 6. a heat conductive plate; 7. a heat conduction rod; 8. a heat dissipation plate; 9. a condenser; 10. a spiral condenser tube; 11. a circulating condensing tube; 12. an arc-shaped guide plate; 13. a heat dissipation rod; 14. a one-way electromagnetic valve.

Detailed Description

The utility model is described in detail below with reference to the accompanying drawings, as shown in fig. 1-4: the utility model provides a boron trifluoride acetonitrile complex preparation cooling crystallization device, includes complexation jar 1 and crystallization filter 2, crystallization filter 2 fixed mounting is in complexation jar 1 bottom center department, complexation jar 1 bottom fixed mounting has drain pipe 3, drain pipe 3 runs through and stretches into crystallization filter 2, complexation jar 1 side fixed mounting has circulating pump 4, crystallization filter 2 lateral wall fixed mounting has fixed branch 5, fixed branch 5 one end fixed mounting has heat-conducting plate 6, heat-conducting plate 6 one side fixed mounting has a plurality of heat-conducting rods 7, heat-conducting rod 7 one end runs through and stretches out crystallization filter 2, heat-conducting rod 7 one end fixed mounting has heating panel 8, crystallization filter 2 bottom fixed mounting has condenser 9, be equipped with spiral condenser pipe 10 on the condenser 9, spiral condenser pipe 10 is located crystallization filter 2; the top end of the spiral condensation pipe 10 is fixedly connected with a circulating condensation pipe 11, the circulating condensation pipe 11 penetrates through and extends out of the crystallization filter 2, the outer wall of the circulating condensation pipe 11 is fixedly connected with an arc-shaped guide plate 12, the arc-shaped guide plate 12 is fixedly connected with a heat dissipation rod 13, and one end of the heat dissipation rod 13 is fixedly connected with the heat dissipation plate 8; the heat conducting rods 7 are provided with a plurality of heat conducting plates 6 and uniformly and transversely distributed on one side; the arc guide plates 12 and the heat dissipation rods 13 are provided with a plurality of heat dissipation rods which are uniformly and vertically distributed on the outer wall of the circulating condensation tube 11; the crystallization filter 2 is connected with the inlet of the circulating pump 4 through a pipeline, and the outlet of the circulating pump 4 is connected with the inlet of the complexing tank 1 through a pipeline; the liquid outlet pipe 3 is provided with a one-way electromagnetic valve 14; one end of the circulating condensation pipe 11 is fixedly connected with the condenser 9, and the circulating condensation pipe 11, the arc-shaped guide plate 12 and the radiating rod 13 are made of copper.

The working principle of the embodiment is as follows: the electric equipment used by the device is controlled by an external controller, and boron trifluoride gas enters a complexing tank 1 to be complexed with acetonitrile;

during purification, the bottom of the complexing tank 1 is fixedly provided with a liquid outlet pipe 3, the liquid outlet pipe 3 penetrates through and extends into the crystallization filter 2, the liquid outlet pipe 3 is provided with a one-way electromagnetic valve 14, the one-way electromagnetic valve 14 is opened, complexing reaction liquid in the complexing tank 1 enters the crystallization filter 2 through the liquid outlet pipe 3, meanwhile, the circulating pump 4 starts to work, one side of the complexing tank 1 is fixedly provided with the circulating pump 4, the crystallization filter 2 is connected with an inlet of the circulating pump 4 through a pipeline, an outlet of the circulating pump 4 is connected with an inlet of the complexing tank 1 through a pipeline, the complexing reaction liquid circularly flows between the crystallization filter 2 and the complexing tank 1 through the circulating pump 4 and the pipeline, the temperature of the crystallization filter 2 is lower than the reaction temperature of the complexing tank 1, the complexing reaction liquid is cooled to be in a supersaturated state after entering the crystallization filter 2, boron trifluoride acetonitrile complex crystal is precipitated, the complexing reaction liquid after crystallization enters the complexing tank 1 to be further complexed with boron trifluoride, and acetonitrile is complexed with boron trifluoride to the maximum extent through the circulating process, so that the use amount of acetonitrile is saved;

during cooling crystallization, fixed branch 5 is fixed to crystallization filter 2 lateral wall fixed mounting, fixed branch 5 one end fixed mounting has heat-conducting plate 6, heat-conducting plate 6 one side fixed mounting has a plurality of heat-conducting rods 7, heat-conducting rod 7 one end runs through and stretches out crystallization filter 2, heat-conducting rod 7 one end fixed mounting has heating panel 8, heat in with crystallization filter 2 is conducted to heating panel 8 through heat-conducting plate 6 and heat-conducting rod 7, the area of heating panel 8 air contact is big, the radiating effect has been improved, heat-conducting rod 7 is provided with a plurality of and even transverse distribution in heat-conducting plate 6 one side, the quantity that heat-conducting rod 7 set up is a lot of can be more quick with the heat conduction in the crystallization filter 2 come out, condenser 9 begins to work simultaneously, crystallization filter 2 bottom fixed mounting has condenser 9, be equipped with spiral condenser pipe 10 on the condenser 9, spiral condenser pipe 10 is located crystallization filter 2, spiral condenser pipe 10 top fixedly connected with circulating condenser pipe 11, circulating condenser pipe 11 runs through and stretches out crystallization filter 2, circulating condenser pipe 11 outer wall fixedly connected with arc baffle 12, fixedly connected with pole 13 on the arc baffle 12, pole 13 one end and 8 fixed connection, can flow back to condensation pipe 9 through cooling plate 9 entering into the heat-conducting plate 2, can flow back to condensation filter 2 through spiral condenser pipe 10, can cool down the heat dissipation efficiency through cooling pipe 2, can reduce the heat dissipation liquid, can flow back to condensation pipe 2, can cool down the heat dissipation efficiency through the cooling pipe, and the cooling liquid, can be cooled down, and the cooling liquid can be cooled down, and the cooling device, can be cooled.

The above technical solution only represents the preferred technical solution of the present utility model, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present utility model, and the technical solution falls within the scope of the present utility model.

Claims

1. The utility model provides a boron trifluoride acetonitrile complex preparation cooling crystallization device, includes complexation jar (1) and crystallization filter (2), crystallization filter (2) fixed mounting is in complexation jar (1) bottom center department, complexation jar (1) bottom fixed mounting has drain pipe (3), drain pipe (3) run through and stretch into crystallization filter (2) in, a serial communication port, complexation jar (1) one side fixed mounting has circulating pump (4), crystallization filter (2) lateral wall fixed mounting has fixed branch (5), fixed branch (5) one end fixed mounting has heat-conducting plate (6), heat-conducting plate (6) one side fixed mounting has a plurality of heat-conducting rods (7), heat-conducting rod (7) one end runs through and stretches out crystallization filter (2), heat-conducting rod (7) one end fixed mounting has drain pipe (8), crystallization filter (2) bottom fixed mounting has condenser (9), be equipped with spiral condenser pipe (10) on condenser (9), spiral condenser pipe (10) are located crystallization filter (2).

2. The boron trifluoride acetonitrile complex preparation cooling crystallization device according to claim 1, wherein a circulating condensation pipe (11) is fixedly connected to the top end of the spiral condensation pipe (10), the circulating condensation pipe (11) penetrates through and stretches out of the crystallization filter (2), an arc-shaped guide plate (12) is fixedly connected to the outer wall of the circulating condensation pipe (11), a heat dissipation rod (13) is fixedly connected to the arc-shaped guide plate (12), and one end of the heat dissipation rod (13) is fixedly connected with the heat dissipation plate (8).

3. The device for preparing the boron trifluoride acetonitrile complex, which is disclosed in claim 1, is characterized in that the heat conducting rods (7) are provided with a plurality of heat conducting plates (6) which are uniformly and transversely distributed on one side.

4. The boron trifluoride acetonitrile complex preparation cooling crystallization device according to claim 2, wherein the arc-shaped guide plate (12) and the cooling rods (13) are provided with a plurality of cooling rods and uniformly and vertically distributed on the outer wall of the circulating condensing tube (11).

5. The device for preparing the boron trifluoride acetonitrile complex, which is characterized in that the crystallization filter (2) is connected with the inlet of the circulating pump (4) through a pipeline, and the outlet of the circulating pump (4) is connected with the inlet of the complexing tank (1) through a pipeline.

6. The device for preparing the boron trifluoride acetonitrile complex, which is characterized in that a one-way electromagnetic valve (14) is arranged on the liquid outlet pipe (3).

7. The boron trifluoride acetonitrile complex preparation cooling crystallization device according to claim 2, wherein one end of the circulating condensation pipe (11) is fixedly connected with the condenser (9), and the circulating condensation pipe (11), the arc-shaped guide plate (12) and the heat dissipation rod (13) are made of copper.