Forced circulation continuous crystallization system with mechanical vapor recompression function

A forced circulation, mechanical steam technology, applied in the direction of solution crystallization, can solve the problems of wasting the latent heat of secondary steam, unenvironmental and economical, wasting energy, etc., and achieve the effect of eliminating condensation equipment, increasing corporate profits, and reducing costs.

Inactive Publication Date: 2010-11-03
JIANGSU LEKE THERMAL ENG EQUIP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This not only wastes the latent heat of the secondary steam and wastes energy, but also has to add a set of condensing equipment for condensing the secondary steam, which not only increases investment but is not environmen

Method used

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  • Forced circulation continuous crystallization system with mechanical vapor recompression function
  • Forced circulation continuous crystallization system with mechanical vapor recompression function

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Example Embodiment

[0013] like figure 1 As shown, the forced circulation continuous crystallizer with mechanical vapor recompression includes a crystallizer 1, a compressor 2, a heater 4, a circulation pipe 16 at the bottom of the crystallizer 1, a circulation pump 11 on the circulation pipe 16, and after the circulation pump 11 There is a discharge pipe 17, a discharge pump 10 is arranged behind the discharge pipe 17, a finished product tank 9 is provided at the end of the discharge pipe 17, the top of the crystallizer 1 is connected to the inlet of the compressor 2 through a pipe 27, and the lower part of the heater 4 is provided with a lower part. The upper part of the head 28 is provided with an upper head 29, the bottom of the lower head 28 is connected with the circulation pipe 16, a feed pipe 30 is arranged on one side of the lower head 28, and the feed pipe 30 is provided with a flow meter 13, a ball valve 31 and a feed pump 12. The end of the feed pipe 30 is connected to the raw materia...

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Abstract

The invention discloses a forced circulation continuous crystallization system with a mechanical vapor recompression function and relates to a continuous crystallization system which comprises a crystallizer, a compressor and a heater. The bottom of the crystallizer is connected with a circulation pipe; the other end of the circulation pipe is connected with a feed inlet of a circulation pump; the feed outlet of the circulation pump is connected with a discharge pipe; the other end of the discharge pipe is connected with the feed inlet of a discharge pump; the feed outlet of the discharge pump is connected with a finished product tank; the top of the crystallizer is connected with the inlet of the compressor through a pipe; a lower seal head is connected with the circulation pipe; one side of the lower seal head is connected with a feeding pipe which is provided with a ball valve and a feeding pump; the other end of the feeding pipe is connected with a raw material tank; an upper seal head is connected with the crystallizer through a pipe; a shell side is arranged outside the heater and is communicated with the outlet of the compressor through a pipe; the heater is connected with a vacuumizing pipe; and the shell side is also connected with a condensed water discharge pipe. The forced circulation continuous crystallization system with the mechanical vapor recompression function can meet the crystallization production requirement on continuous feeding and charging; and the compressor is used to collect secondary vapor, thereby saving energy sources.

Description

technical field [0001] The invention relates to a continuous crystallization system, in particular to an energy-saving continuous crystallizer, that is, a forced circulation continuous crystallization system with mechanical steam recompression. Background technique [0002] The traditional crystallization equipment is to first put the solution to be crystallized into the crystallizer, and then run the equipment for a period of time. When the solution is concentrated and concentrated to a certain crystallization amount, turn on the discharge pump to discharge the crystal slurry, and wait for the crystal slurry to be emptied again. Open the feed valve to load the stock solution, repeat the above process. This makes continuous production impossible for production gaps. In addition, traditional crystallization equipment usually discharges the secondary steam generated by the crystallizer directly or discharges it after being condensed by a condensing device. This not only wast...

Claims

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Application Information

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IPC IPC(8): B01D9/02
Inventor 彭涛韩东夏君君梁林
Owner JIANGSU LEKE THERMAL ENG EQUIP
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