CN214142147U

CN214142147U - Pesticide midbody 2 chlorine-5 chloromethyl thiazole distills purification device

Info

Publication number: CN214142147U
Application number: CN202022513685.3U
Authority: CN
Inventors: 李进亮; 李丁武; 康劲松; 陈伟伟
Original assignee: Jiangxi Lianbai Technology Co ltd
Current assignee: Jiangxi Lianbai Technology Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-09-07
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a 2 chlorine-5 chloromethyl thiazole distillation purification device of pesticide midbody, including distillation plant and purification device, distillation plant can improve distillative efficiency, and can realize the even heating, improves the distillation effect, can effectively avoid 2 chlorine-5-chloromethyl thiazole to carry out the distillation process in for a long time for relevant part production contact or remain and the corrosion phenomenon that causes simultaneously, and then make the holistic life of distillation plant improve. The roughness of the inner surfaces of the purification device and the pipeline is low, the attachment of impurities can be effectively reduced, the gas purification efficiency can be ensured, meanwhile, the gas enters from top to bottom, the retention time of the gas in the purification device can be prolonged, the heating and purification effects are improved, the heating cylinder can realize better temperature swing adsorption, and the purification effect is enhanced.

Description

Pesticide midbody 2 chlorine-5 chloromethyl thiazole distills purification device

Technical Field

The utility model relates to a distillation purification field, concretely relates to pesticide midbody 2-chlorine-5-chloromethyl thiazole distills purification device.

Background

The pesticide intermediate 2-chloro-5-chloromethylthiazole is prepared by using toluene as a solvent and reacting 1-isothiocyanato-2-propylene with sulfuryl chloride, the solvent is recovered firstly after the reaction is finished, main impurities in the residual materials after the solvent is recovered are polymers of toluene 2-chloro-5-chloromethylthiazole and the like which are not completely recovered, and the 2-chloro-5-chloromethylthiazole with qualified purity can be obtained by distilling and purifying the polymers.

At present, a 2-chloro-5-chloromethylthiazole distillation and purification device is adopted, but 2-chloro-5-chloromethylthiazole has certain corrosivity, so that equipment is corroded due to long-term contact or residue of related materials and fixed positions of the equipment in the distillation process; the material discharge is mainly completed by liquid level pressure difference, and the material is extruded out by the pressure difference, so that the material discharge mode is slow and low in efficiency; mechanical impurities or other components in the gas can affect purification, affect yield, and even cause danger; the purification of gas by adsorption is a more common purification method, and pressure swing adsorption and temperature swing adsorption are common adsorption methods.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the technical problem who exists among the prior art, provide a pesticide midbody 2 chlorine-5 chloromethyl thiazole distills purification device.

In order to achieve the above purpose, the utility model provides a technical scheme is: the utility model provides a 2 chlorine-5 chloromethyl thiazole distillation purification device of pesticide midbody, includes distillation plant and purification device, distillation plant includes interior casing and shell body, be provided with heating coil between interior casing and the shell body, interior casing inner wall is provided with the protection end plate, the last lateral wall of distillation plant is provided with the material import, the distillation plant bottom is provided with the material export, the material exit is provided with the submerged pump, the distillation plant top is provided with the gas outlet, the gas outlet with the purification device is connected, be provided with air flow distributor and be used for heating the cartridge heater of adsorbent in the purification device, purification device right side downside is provided with the gas outlet, purification device surface and pipeline internal surface roughness all are less than 10 um.

Preferably, still include the motor, the motor pass through the transmission shaft with the submerged pump is connected, the submerged pump is provided with submerged pump outlet.

Preferably, the heating coil is electrically connected with a power supply.

Preferably, still be provided with the demister in the distillation plant, the demister is located the material import upper end.

Preferably, the material inlet is provided with a feeding control valve, and the material outlet is provided with a discharging control valve.

Preferably, the gas flow distributor is provided with a suspension rod, and the suspension rod is fixedly connected with the purification device.

Preferably, an electric heater is arranged in the heating cylinder and electrically connected with a power supply.

Preferably, the distillation apparatus and the purification apparatus are provided with a first support column and a second support column, respectively.

The utility model discloses beneficial effect: the utility model discloses can discharge the solid thing of distillation plant bottom from the material export, avoid solid thing overstock in distillation plant, occupy the distillation plant inner space, improve distillation plant's efficiency, and can realize the even heating, improve the distillation effect, the utility model discloses can effectively avoid 2-chlorine-5-chloromethyl thiazole to carry out the distillation process in for a long time for relevant part production contact or remain and the corrosion phenomenon that causes, and then make the holistic life of distillation plant improve. The roughness of the inner surfaces of the purification device and the pipeline is low, the attachment of impurities can be effectively reduced, the gas purification efficiency can be ensured, meanwhile, the gas enters from top to bottom, the retention time of the gas in the purification device can be prolonged, the heating and purification effects are improved, the heating cylinder can realize better temperature swing adsorption, and the purification effect is enhanced.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it.

Fig. 1 is an overall structure diagram of the preferred embodiment of the present invention.

The attached drawings are marked as follows:

1-inner shell 2-outer shell 3-first support column 4-heating coil 5-submerged pump outlet 6-connecting pipe 7-protective end plate 8-material outlet 9-gas outlet 10-material inlet 11-demister 12-motor 13-transmission shaft 14-submerged pump 15-airflow distributor 16-suspender 17-heating cylinder 18-air inlet 19-air outlet 20-second support column.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, the preferred embodiment of the present invention is a distillation and purification device for 2 chloro-5 chloromethyl thiazole as an intermediate of agricultural chemicals, comprising a distillation device and a purification device, the distillation device comprises an inner shell 1 and an outer shell 2, a heating coil 4 is arranged between the inner shell 1 and the outer shell 2, the inner wall of the inner shell 1 is provided with a protective end plate 7, the upper side wall of the distillation device is provided with a material inlet, a material outlet 8 is arranged at the bottom of the distillation device, a submerged pump 14 is arranged at the material outlet 8, the top of the distillation device is provided with a gas outlet 9, the gas outlet 9 is connected with the purification device, a gas flow distributor 15 and a heating cartridge 17 for heating the adsorbent are provided in the purification apparatus, purification device right side downside is provided with gas outlet 19, purification device surface and pipeline internal surface roughness all are less than 10 um.

The utility model discloses can discharge the solid thing of distillation plant bottom from material export 8, avoid solid thing overstock in distillation plant, occupy the inner space, improve distillation efficiency, heating coil 4 can realize the even heating, improves the distillation effect, protection end plate 7 can effectively avoid 2-chlorine-5-chloromethyl thiazole to produce the corrosion phenomenon that contact or remain and cause for a long time relative to relevant part in the distillation treatment process for a long time in carrying out, and then makes the holistic life extension of distillation plant; the roughness of the inner surfaces of the purification device and the pipeline is low, the attachment of impurities can be effectively reduced, the gas purification efficiency can be ensured, meanwhile, the gas enters from top to bottom, the retention time of the gas in the purification device can be prolonged, the heating and purification effects are improved, the adsorbent is cooled during adsorption, and the heating cylinder 17 heats the adsorbent during regeneration, so that the better temperature swing adsorption and the purification effect enhancement are realized.

As a preferred embodiment of the present invention, it may also have the following additional technical features:

in this embodiment, still include motor 12, motor 12 pass through transmission shaft 13 with submerged pump 14 is connected, submerged pump 14 is provided with submerged pump outlet 5, submerged pump outlet 5 is just right material outlet 8, submerged pump 14 can accelerate the exhaust velocity of solid form thing, has avoided traditional distillation plant to rely on liquid level difference to discharge solid form thing, and speed is slow, the circumstances of material overstock.

In this embodiment, the heating coil 4 is electrically connected to a power supply.

In this embodiment, still be provided with demister 11 in the distillation apparatus, demister 11 is located material 10 upper end, demister 11 is used for purifying the gas that will follow gas outlet 9 after the distillation, improves the purity of exhaust gas.

In this embodiment, the material inlet 10 is provided with a feeding control valve, and the material outlet 8 is provided with a discharging control valve.

In this embodiment, the gas flow distributor 15 is provided with a suspension rod 16, the suspension rod 16 is fixedly connected with the purification device, and the suspension rod 16 is used for fixing the gas flow distributor 15, so as to ensure the working state of the gas flow distributor 15, so that when the gas flow distributor 15 works, the gas flow at each position of the filler in the container is uniformly distributed, the utilization rate of the filler is improved, and further, the yield and the quality of the product gas are improved.

In this embodiment, an electric heater is disposed in the heating cylinder 17, the electric heater is electrically connected to a power supply, temperature swing adsorption is realized by the electric heater, and the purification effect is enhanced.

In this embodiment, the distillation apparatus and the purification apparatus are respectively provided with the first support column 3 and the second support column 20, so that the operation states of the distillation apparatus and the purification apparatus are more stable.

The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.

The above is only the preferred embodiment of the present invention, as long as the technical solution of the purpose of the present invention is realized by the substantially same means, all belong to the protection scope of the present invention.

Claims

1. The utility model provides a 2 chlorine-5 chloromethyl thiazole of pesticide midbody distills purification device, includes distillation plant and purification device, its characterized in that: distillation plant includes interior casing (1) and shell body (2), be provided with heating coil (4) between interior casing (1) and shell body (2), interior casing (1) inner wall is provided with protection end plate (7), the last lateral wall of distillation plant is provided with material import (10), the distillation plant bottom is provided with material export (8), material export (8) department is provided with submerged pump (14), the distillation plant top is provided with gas outlet (9), gas outlet (9) with purification device connects, be provided with air distributor (15) and be used for heating cartridge heater (17) of adsorbent in the purification device, purification device right side downside is provided with gas outlet (19), purification device surface and pipeline internal surface roughness all are less than 10 um.

2. The distillation and purification device for the pesticide intermediate 2 chloro-5 chloromethyl thiazole according to claim 1, characterized in that: still include motor (12), motor (12) pass through transmission shaft (13) with submerged pump (14) are connected, submerged pump (14) are provided with submerged pump export (5).

3. The distillation and purification device for the pesticide intermediate 2 chloro-5 chloromethyl thiazole according to claim 1, characterized in that: the heating coil (4) is electrically connected with a power supply.

4. The distillation and purification device for the pesticide intermediate 2 chloro-5 chloromethyl thiazole according to claim 1, characterized in that: still be provided with demister (11) in the distillation plant, demister (11) is located material import (10) upper end.

5. The distillation and purification device for the pesticide intermediate 2 chloro-5 chloromethyl thiazole according to claim 1, characterized in that: the material inlet (10) is provided with a feeding control valve, and the material outlet (8) is provided with a discharging control valve.

6. The distillation and purification device for the pesticide intermediate 2 chloro-5 chloromethyl thiazole according to claim 1, characterized in that: the air flow distributor (15) is provided with a hanging rod (16), and the hanging rod (16) is fixedly connected with the purification device.

7. The distillation and purification device for the pesticide intermediate 2 chloro-5 chloromethyl thiazole according to claim 1, characterized in that: an electric heater is arranged in the heating cylinder (17) and is electrically connected with a power supply.

8. The distillation and purification device for the pesticide intermediate 2 chloro-5 chloromethyl thiazole according to claim 1, characterized in that: the distillation device and the purification device are respectively provided with a first support column (3) and a second support column (20).