Xanthate continuous synthesis process system
By using a continuous xanthate synthesis process system, which combines a metering and feeding device with an automatic temperature controller and a spiral propulsion tubular reactor, the problem of frequent manual operation in the traditional xanthate synthesis process has been solved, and stable and efficient xanthate production has been achieved.
Patent Information
- Application Number
- CN202422066250.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-08-26
AI Technical Summary
Traditional xanthate synthesis is an intermittent process, which suffers from problems such as high error rate due to frequent human intervention, reduced sealing, high labor intensity, unstable reaction process and low production efficiency.
A continuous xanthate synthesis process system is adopted, including alcohol storage tanks, carbon disulfide storage tanks and alkali powder storage tanks. The continuous addition of raw materials and intelligent temperature control are achieved by combining a metering feeding device with an automatic feeding temperature controller and a spiral propulsion tubular reactor.
A stable and reliable reaction environment for xanthate synthesis has been achieved, enabling continuous production of high-quality xanthates, improving production efficiency and quality, and overcoming the shortcomings of batch synthesis processes.
Smart Images
Figure CN223570676U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to xanthate synthetic technique field, concretely relates to a kind of xanthate continuous synthesis process system. BACKGROUND
[0002] Xanthate is commonly used as a kind of dressing reagent, and the raw materials are alcohol, carbon disulfide, sodium hydroxide or potassium hydroxide. The alcohol is usually ethanol, isopropyl alcohol, isobutyl alcohol, isoamyl alcohol, etc. According to the different types of alcohol and sodium hydroxide or potassium hydroxide, it is divided into different alkyl sodium xanthate or alkyl potassium xanthate.
[0003] The traditional xanthate synthesis process is a batch method. As shown in the specific process system, Figure 2 The alcohol is added to the xanthate reactor 7 in a single batch, and the carbon disulfide is added to the xanthate reactor 7 in a single batch. After the addition of the two liquid raw materials is completed, the powdered sodium hydroxide or potassium hydroxide (hereinafter referred to as powdered alkali) is added in batches by the powdered alkali metering tank 13 and the powdered alkali temperature control device 14 to control the temperature and quantity. The powdered alkali is added until it is completely added, and the reaction is completed. The product is discharged to the xanthate storage tank 8. The xanthate batch synthesis process system has the following obvious disadvantages during production: (1) Frequent preparation, feeding and discharging are required during production, and these operations require human intervention, which increases the error rate; (2) Frequent operation requires repeated opening and closing of the inlet and outlet ports of each device, which causes the sealing performance of the sealing elements of the inlet and outlet ports to decrease, and there is a risk of air entering the reaction kettle and causing an explosion; (3) The reaction kettle inlet and outlet operation requires human confirmation of the reaction kettle material, which is labor-intensive; (4) The reaction process is unstable, and it is difficult to achieve automatic control, resulting in low production efficiency. UTILITY MODEL CONTENTS
[0004] To solve the above problems, the utility model provides a xanthate continuous synthesis process system.
[0005] The specific technical solution of the utility model is as follows: a xanthate continuous synthesis process system, comprising an alcohol storage tank, a carbon disulfide storage tank and a powdered alkali storage tank. The outlet ports of the alcohol storage tank, the carbon disulfide storage tank and the powdered alkali storage tank are respectively connected to the inlet ports of the alcohol metering feeding device, the carbon disulfide metering feeding device and the powdered alkali metering feeding device. The outlet ports of the alcohol metering feeding device, the carbon disulfide metering feeding device and the powdered alkali metering feeding device are connected to the inlet port of the xanthate reactor. The outlet port of the xanthate reactor is connected to the inlet port of the xanthate storage tank. The alcohol metering feeding device, the carbon disulfide metering feeding device and the powdered alkali metering feeding device are electrically connected to the automatic feeding temperature controller. Temperature sensors are arranged at the feeding end, the middle part and the discharge end of the xanthate reactor. The temperature sensors are signal connected to the automatic feeding temperature controller. The automatic feeding temperature controller controls the addition of alcohol, carbon disulfide and powdered alkali according to the temperature signal.
[0006] Further preferably, the xanthate reactor is also connected with a refrigerated brine cooling machine.
[0007] Further preferably, the xanthate reactor is a spiral propelling pipe reactor.
[0008] The xanthate continuous synthesis process system has the advantages that the system can intelligently control the raw material feeding speed according to the reaction temperature change, thereby controlling the reaction temperature, creating a stable and reliable reaction environment for xanthate synthesis, and realizing continuous addition of raw materials, so that the entire xanthate synthesis system can continuously and stably output high-quality xanthate, the synthesized xanthate has stable quality, the production efficiency is high, the problems existing in the prior art intermittent xanthate synthesis process system are well overcome, and the demand of industrial production is met. BRIEF DESCRIPTION OF DRAWINGS
[0009] Figure 1 is a device correlation diagram of the xanthate continuous synthesis process system of the utility model;
[0010] Figure 2 is a device correlation diagram of the prior art intermittent xanthate synthesis process system;
[0011] In the figure, 1 is an alcohol storage tank, 2 is a carbon disulfide storage tank, 3 is a powder alkali storage tank, 4 is an alcohol metering and feeding device, 5 is a carbon disulfide metering and feeding device, 6 is a powder alkali metering and feeding device, 7 is a xanthate reactor, 8 is a xanthate storage tank, 9 is an automatic feeding and temperature control device, 10 is a refrigerated brine cooling machine, 11 is an alcohol metering tank, 12 is a carbon disulfide metering tank, 13 is a powder alkali metering tank, and 14 is a powder alkali feeding and temperature control device. DETAILED DESCRIPTION
[0012] In order to make the technical problems and technical solutions solved by the utility model more clear and understandable, the utility model is further described in detail below by combining with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and do not limit the utility model.
[0013] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only used to facilitate the description of the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0014] In the description of the utility model, still need to explain, unless another explicit provision and limitation, term '' set '', '' install '', '' connect '' should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integral connection, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through the intermediate medium, can be two element internal communication. For ordinary skilled person in the art, can understand the specific meaning of the above-mentioned term in the utility model according to specific circumstances.
[0015] As Figure 1 The utility model discloses a xanthate continuous synthesis process system, including alcohol storage tank 1, carbon disulfide storage tank 2 and powder alkali storage tank 3, the discharge port of alcohol storage tank 1, carbon disulfide storage tank 2 and powder alkali storage tank 3 is connected the feed inlet of alcohol metering feeding device 4, carbon disulfide metering feeding device 5 and powder alkali metering feeding device 6 respectively, the discharge port of alcohol metering feeding device 4, carbon disulfide metering feeding device 5 and powder alkali metering feeding device 6 is connected in the feed inlet of xanthate reactor 7, and the discharge port of xanthate reactor 7 is connected the feed inlet of xanthate storage tank 8, and alcohol metering feeding device 4, carbon disulfide metering feeding device 5 and powder alkali metering feeding device 6 are electrically connected with automatic feeding temperature controller 9, and the feed end, the middle part, the discharge end 3 of xanthate reactor 7 are all provided with temperature sensor, and three temperature sensors are signal connected with automatic feeding temperature controller 9, and automatic feeding temperature controller 9 controls the addition of alcohol, carbon disulfide and powder alkali according to temperature signal.
[0016] The above-mentioned xanthate reactor 7 is a spiral propelling pipe type reactor, the xanthate reactor 7 is further connected with a refrigerated brine cooling machine 10, the refrigerated brine cooling machine can adjust the refrigerant temperature of the xanthate reactor 7, controls the reaction temperature, when the reaction temperature needs to be rapidly adjusted, ensures the safety and efficiency of the reaction.
[0017] Working principle: when xanthate synthesis is carried out, alcohol metering feeding device 4, carbon disulfide metering feeding device 5 and powder alkali metering feeding device 6 respectively add alcohol, carbon disulfide and powder alkali to xanthate reactor 7 according to the molar ratio 1:1:1.02, three raw materials meet and rapidly react to generate xanthate in xanthate reactor 7, and the propelling device in reactor 7 moves xanthate to the outlet direction, and is transferred to xanthate storage tank 8 for storage, waits for next processing or packaging, and the material that has not reacted completely continues to mature in the reactor.
[0018] Since the synthesis of xanthate is an exothermic reaction, under the condition of constant cooling, increasing the feeding speed will increase the internal temperature of the reactor, and decreasing the feeding speed will decrease the internal temperature of the reactor. The preferred temperature of the feeding end, the middle part and the discharging end of the reactor should be controlled at 20-25°, 32-36° and 20-25° respectively.
[0019] At this time, the automatic feeding temperature controller 9 can play a role. The automatic feeding temperature controller 9 can receive the temperature signals of the three temperature sensors of the reactor, compare with the set threshold range, when the temperature of the three temperature measuring points is lower than the threshold range, after 1 minute delay, the automatic feeding temperature controller 9 will control the alcohol metering feeding device 4, the carbon disulfide metering feeding device 5 and the powder alkali metering feeding device 6 to increase the feeding speed; when the temperature of one of the temperature measuring points is higher than the threshold range, after 1 minute delay, the automatic feeding temperature controller 9 will control the alcohol metering feeding device 4, the carbon disulfide metering feeding device 5 and the powder alkali metering feeding device 6 to decrease the feeding speed. In actual use, the feeding speed is set to 10 levels, and each automatic adjustment period can only increase or decrease one speed level, and the automatic adjustment period is 10 minutes.
[0020] When the temperature of any one point exceeds the high temperature alarm threshold, the automatic feeding temperature controller 9 will control the alcohol metering feeding device 4, the carbon disulfide metering feeding device 5 and the powder alkali metering feeding device 6 to stop feeding, and the system automatically enters the safe state.
[0021] In this way, the system can intelligently control the raw material feeding speed according to the reaction temperature change, thereby controlling the reaction temperature, creating a stable and reliable reaction environment for xanthate synthesis, and also realizing continuous addition of raw materials. The whole xanthate synthesis system can continuously and stably produce high-quality xanthate, the synthesized xanthate has stable quality and high production efficiency, which well overcomes the problems existing in the existing intermittent synthesis process system of xanthate, and meets the needs of industrial production.
[0022] The utility model is described in detail above through specific and preferred embodiments, but those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and any modification, equivalent replacement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A continuous synthetic process system of xanthate, comprising an alcohol storage tank (1), a carbon disulfide storage tank (2) and a powdered alkali storage tank (3), characterized in that: The outlet of the alcohol storage tank (1), the carbon disulfide storage tank (2) and the powder alkali storage tank (3) is connected with the inlet of the alcohol metering feeding device (4), the carbon disulfide metering feeding device (5) and the powder alkali metering feeding device (6), the outlet of the alcohol metering feeding device (4), the carbon disulfide metering feeding device (5) and the powder alkali metering feeding device (6) is connected with the inlet of the xanthate reactor (7), the outlet of the xanthate reactor (7) is connected with the inlet of the xanthate storage tank (8), the alcohol metering feeding device (4), the carbon disulfide metering feeding device (5) and the powder alkali metering feeding device (6) are electrically connected with the automatic feeding temperature controller (9), the feeding end, the middle part and the discharging end of the xanthate reactor (7) are provided with temperature sensors, the temperature sensors are signal connected with the automatic feeding temperature controller (9), the automatic feeding temperature controller (9) controls the addition of alcohol, carbon disulfide and powder alkali according to the temperature signal.
2. The system for continuous synthesis of xanthate according to claim 1, characterized in that: The xanthate reactor (7) is further connected with the refrigerated brine cooling machine (10).
3. The system for continuous synthesis of xanthate according to claim 1 or 2, characterized in that: The xanthate reactor (7) is a spiral propelling pipe type reactor.