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Industrial sulfanilamide production system

A production system and technology for industrial sulfonamides, which are applied in the preparation of sulfonic acid amides, sulfonic acid, organic chemistry, etc., can solve the problems of unguaranteed product yield and quality, low automation level, and heavy dependence on operator experience, and achieve product quality. The effect of quality improvement, improved automation control and safety performance

Pending Publication Date: 2017-10-20
吴赣药业(苏州)有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Therefore, the existing production system has a low level of automation, relies heavily on the experience of operators, and cannot guarantee the yield and quality of products.

Method used

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  • Industrial sulfanilamide production system
  • Industrial sulfanilamide production system
  • Industrial sulfanilamide production system

Examples

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Embodiment Construction

[0042] This embodiment provides an industrial sulfonamide production system, including 5 to 7 acetanilide feeding tanks 1, 1 to 3 chlorosulfonic acid metering tanks 2, 5 to 7 sulfonation tanks 3, and 10 to 14 sulfonated oil metering tanks Tank 4, 5-7 water metering tanks 5, 5-7 one-separation tanks 6, 5-7 one-separation tanks 7, 1-3 two-separation tanks 8, 1-2 recycling acid tanks 9 , 1 to 2 belt centrifuges 10, 1 to 3 beating kettles 11, 1 to 2 vacuum buffer tanks 12, 2 to 4 ammoniation kettles 13, 1 to 3 liquid ammonia metering tanks 14, 5 to 7 15 hydrolysis tanks, 1 to 3 liquid alkali metering tanks 16, 5 to 7 ammonia separation tanks 17, 8 to 10 crystallization tanks 18, 1 to 2 hydrochloric acid metering tanks 19, 1 to 3 centrifuges 20, 1 ~2 cyclone dryers 21, circulating water cooling devices connected with sulfonation kettle 3, one-part kettle 6, two-part kettle 8, beating kettle 11, ammoniation kettle 13, hydrolysis kettle 15 and crystallization kettle 18 respectively a...

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PUM

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Abstract

The invention relates to an industrial sulfanilamide production system, which includes a sulfonation kettle, an acetanilide feed pot, a chlorosulfonic acid metering tank, a sulfonated oil metering tank, a first kettle, a water metering tank, a first oil standing tank, a second kettle, a recycling acid tank, a belt type centrifuge, a pulping kettle, an air supply device, a vacuum buffer tank, an ammoniation kettle, a liquid ammonia metering tank, a steam supply device, a hydrolysis kettle, a liquid caustic soda metering tank, an ammonia separation tank, a crystallization kettle, a hydrochloric acid metering tank, a centrifuge, a cyclone dryer, a circulating water cooling device, and a distributed control system. Through overall transformation of the production system, the industrial sulfanilamide production system provided by the invention can be controlled by the distributed control system, improves the automatic control level and safety performance, improves product quality and makes the product quality stable, reduces the operation intensity of workers, improves the on-site operation environment, saves energy and reduces emission, downsizes staff and improves efficiency.

Description

technical field [0001] The invention relates to an industrial sulfonamide production system. Background technique [0002] At present, the automation control level of the industrial sulfonamide production system has remained at a relatively low level, mainly because workers perform manual operations on the production site according to the on-site indicating instruments. [0003] For example, the chlorosulfonic acid metering tank is equipped with an on-site magnetic flap liquid level gauge, and the operator starts and stops the feed pump and valve according to observation on site. The amount of feed varies from person to person each time, and cannot be accurately measured. If personnel cannot close the feed pipe valve and feed pump in time, it will also cause overflow and environmental pollution accidents. [0004] The sulfonation kettle is equipped with an on-site thermometer and a digital display meter, and the operator adjusts the acetanilide screw feeding frequency conve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C311/39C07C303/08C07C309/88C07C303/38C07C311/46C07C303/40
CPCC07C303/08C07C303/38C07C303/40C07C309/88C07C311/46C07C311/39
Inventor 计建明钱炜雯赵六弟
Owner 吴赣药业(苏州)有限公司
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