Solid rapid crystallization system

Abstract

The utility model discloses a rapid solid crystallization system which comprises a concentration kettle, a cooling kettle, a first crystallization kettle, a second crystallization kettle and a centrifugal machine, a feeding pipe is connected to the top of the concentration kettle, a steam pipe network is connected to the concentration kettle and is communicated into the concentration kettle, and a vacuum system is connected to the top of the concentration kettle and the top of the cooling kettle. Pipelines connected with the bottoms of the concentration kettle and the cooling kettle are respectively led to the tops of the first crystallization kettle and the second crystallization kettle; a water pipe network is connected to the bottoms of the cooling kettle, the first crystallization kettle and the second crystallization kettle, a pipeline for connecting the bottoms of the first crystallization kettle and the second crystallization kettle leads to the centrifugal machine, and a discharge port of the centrifugal machine is connected with a blanking funnel. According to the utility model, the rapid crystallization of solids can be realized, the crystallization time is shortened by two thirds, the solid yield is improved, and the production cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of chemical safety, and in particular relates to a solid rapid crystallization system. Background Art

[0002] Solid crystallization is a key step in chemical production. Currently, it is usually concentrated under negative pressure and then cooled down for crystallization. Direct rapid cooling will easily cause the material to adhere to the wall, resulting in the inability to continue crystallization. Slow cooling has a long cycle, which increases the production cycle and production costs. Summary of the invention

[0003] The utility model aims to overcome the deficiencies of the prior art and provides a solid rapid crystallization system.

[0004] The technical scheme adopted by the utility model is: a solid rapid crystallization system, comprising a concentration kettle, a cooling kettle, a first crystallization kettle, a second crystallization kettle and a centrifuge; a feed pipe is connected to the top of the concentration kettle, a steam pipe network is connected to the concentration kettle, the steam pipe network leads to the concentration kettle, a vacuum system is respectively connected to the top of the concentration kettle and the cooling kettle, and the pipelines connected to the bottom of the concentration kettle and the cooling kettle lead to the top of the first crystallization kettle and the second crystallization kettle respectively; a water pipe network is connected to the bottom of the cooling kettle, the first crystallization kettle and the second crystallization kettle, and the pipelines connected to the bottom of the first crystallization kettle and the second crystallization kettle lead to the centrifuge, and the discharge port of the centrifuge is connected to a feeding funnel.

[0005] Furthermore, a feed valve is provided on the feed pipe; a steam valve is provided on the steam network; a water valve is provided on the water network; and a vacuum valve is provided on the pipeline of the vacuum system.

[0006] The beneficial effects of the utility model are as follows: the utility model can realize rapid crystallization of solids, shorten the crystallization time by two thirds, increase solid output, and reduce production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a structural schematic diagram of the utility model;

[0008] In the figure: 1-concentration kettle, 2-cooling kettle, 3-first crystallization kettle, 4-second crystallization kettle, 5-centrifuge, 6-feed valve, 7-steam valve, 8-discharge funnel, 9-vacuum valve, 10-water valve. DETAILED DESCRIPTION

[0009] The utility model is further described below in conjunction with the accompanying drawings.

[0010] like Figure 1As shown, the utility model is a device for rapid crystallization of solids, including a concentration kettle 1, a cooling kettle 2, a first crystallization kettle 3, a second crystallization kettle 4 and a centrifuge 5, wherein a feed pipe is connected to the top of the concentration kettle 1 through a feed valve 6, a steam pipe network is connected to the concentration kettle 1 through a steam valve 7, saturated steam is passed into the concentration kettle 1 through a steam pipeline, a vacuum system is respectively connected to the top of the concentration kettle 1 and the cooling kettle 2 through a vacuum valve 9, the pipelines connected to the bottom of the concentration kettle 1 and the cooling kettle 2 are respectively connected to the top of the first crystallization kettle 3 and the second crystallization kettle 4, and a water pipe network is respectively connected to the bottom of the cooling kettle 2, the first crystallization kettle 3 and the second crystallization kettle 4 through a water valve 10, for passing circulating water to cool the corresponding kettle bodies. The pipelines connected to the bottoms of the first crystallization kettle 3 and the second crystallization kettle 4 are connected to the centrifuge 5, and the discharge port of the centrifuge 5 is connected to the feeding funnel 8.

[0011] The operation method of the utility model is as follows: open the feed valve 6, after the material fills the concentration kettle 1, open the steam valve 7, and open the vacuum valve 9, the vacuum system starts to concentrate the material in the concentration kettle 1; after the concentration is qualified, transfer to the cooling kettle 2, the kettle temperature of the cooling kettle 2 drops to the crystallization temperature and rebounds, and then cools for two hours, and then is evenly placed in the first crystallization kettle 3 and the second crystallization kettle 4, and the water valve 10 is opened to pass the cooling water to start cooling the first crystallization kettle 3 and the second crystallization kettle 4. After about four hours, the temperature drops to the centrifugal temperature, and enters the centrifuge 5 to start centrifugation.

[0012] The utility model transfers the concentrated qualified material into a special cooling kettle for rapid cooling, cools it to crystallization, and after the temperature rebounds, transfers it into two special crystallization kettles (except for the first crystallization, each crystallization kettle reserves half a kettle of qualified crystallization material), each crystallization kettle is filled with half of the material, and after the material is filled, the cooling water is fully turned on to quickly cool it down. Centrifugation can be performed after a few hours, which greatly shortens the crystallization cycle.

[0013] Of course, the above contents are only preferred embodiments of the present invention and cannot be considered to limit the scope of the embodiments of the present invention. The present invention is not limited to the above examples, and any equivalent changes and improvements made by ordinary technicians in the technical field within the essential scope of the present invention shall fall within the scope of the patent coverage of the present invention.

Claims

1. A solid rapid crystallization system, characterized in that: The invention comprises a concentrating kettle, a cooling kettle, a first crystallizing kettle, a second crystallizing kettle and a centrifuge; a feed pipe is connected to the top of the concentrating kettle, a steam pipe network is connected to the concentrating kettle, the steam pipe network leads to the concentrating kettle, a vacuum system is respectively connected to the top of the concentrating kettle and the cooling kettle, and the pipelines connected to the bottom of the concentrating kettle and the cooling kettle lead to the top of the first crystallizing kettle and the second crystallizing kettle respectively; a water pipe network is connected to the bottom of the cooling kettle, the first crystallizing kettle and the second crystallizing kettle, and the pipelines connected to the bottom of the first crystallizing kettle and the second crystallizing kettle lead to the centrifuge, and the discharge port of the centrifuge is connected to a feeding funnel.

2. A solid rapid crystallization system according to claim 1, characterized in that: The feed pipe is provided with a feed valve; the steam network is provided with a steam valve; the water network is provided with a water valve; and the pipeline of the vacuum system is provided with a vacuum valve.

Images