CN216856727U

CN216856727U - Prothioconazole cyclization production device

Info

Publication number: CN216856727U
Application number: CN202220629706.4U
Authority: CN
Inventors: 刘晓黎; 刘涛; 邴亚芬; 杨渐飞; 刘晓晶
Original assignee: Zhongtao New Material Co ltd
Current assignee: Zhongtao New Material Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-07-01
Anticipated expiration: 2032-03-22

Abstract

The utility model discloses a prothioconazole cyclization production device, which comprises a raw material barrel, a formaldehyde water head tank, a cyclization kettle, a gas phase condenser and a separation device, wherein the output end of the cyclization kettle is connected with the separation device, liquid and a filter cake are separated by the separation device, the filter cake is transmitted to a synthesis working section, filtrate is recycled, the waste of raw materials is reduced, and the resource utilization is maximized.

Description

Prothioconazole cyclization production device

Technical Field

The utility model relates to the technical field of prothioconazole, in particular to a prothioconazole cyclization production device.

Background

Prothioconazole has the molecular formula: chemical name of C14H15Cl2N3 OS: (RS) -2- [2- (1-chlorocyclopropyl) -3- (2-chlorophenyl) -2-hydroxypropyl ] -2, 4-dihydro-1, 2, 4-triazole-3-thione. Prothioconazole is a novel triazolone systemic fungicide, is used as a demethylation inhibitor (DMI) and has the function of inhibiting the demethylation of lanosterol, a precursor of sterol in fungi, on 14-or-24-methylene dihydrolanosterol. Through a large number of field efficacy tests, the results show that the prothioconazole has good safety to crops, good effects of preventing and treating diseases and obvious yield increase, and compared with triazole bactericides, the prothioconazole has broad-spectrum sterilization and survival and long lasting period.

The process of the prothioconazole cyclization production device is complex and the operation is difficult,

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a prothioconazole cyclization production device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a prothioconazole cyclization apparatus for producing includes raw materials bucket, a formaldehyde water elevated tank, No. two formaldehyde water elevated tanks, No. three formaldehyde water elevated tanks, a cyclization cauldron, No. two cyclization kettles, No. three cyclization kettles, gas phase condenser, separator, raw materials bucket is connected with the input of a formaldehyde water elevated tank, No. two formaldehyde water elevated tanks, No. three formaldehyde water elevated tanks respectively, the output of a formaldehyde water elevated tank, No. two formaldehyde water elevated tanks, No. three formaldehyde water elevated tanks is connected with the input of a cyclization cauldron, No. two cyclization kettles, No. three cyclization kettles respectively, No. one cyclization cauldron, No. two cyclization kettles, No. three cyclization kettles are connected with three gas phase condenser respectively, the output and the separator of a cyclization cauldron, No. two cyclization kettles, No. three cyclization cauldron are connected.

Preferably, the input end of the first formalin head tank is connected with the formalin, one output end of the first formalin head tank is connected with the water ring pump vacuum main pipe, and the communication mode of the first formalin head tank is the same as that of the second formalin head tank and the third formalin head tank.

Preferably, the low-pressure steam output end of the first circulating kettle is communicated with the input end of the gas phase condenser, sodium thiocyanate is connected to the input end of the first circulating kettle, one output end of the first circulating kettle is connected with a water ring pump vacuum manifold, and the communication mode of the first circulating kettle is the same as that of the second circulating kettle and that of the third circulating kettle.

Preferably, the output end of the gas phase condenser is communicated with the input end of the first ring-closing kettle, and low-pressure steam is introduced into the gas phase condenser.

Preferably, the separation device consists of a filter cake output end and a filtrate output end.

Compared with the prior art, the utility model has the beneficial effects that:

(1) according to the utility model, the output end of the cyclization kettle is connected with the separation device, the liquid and the filter cake are separated by the separation device, the filter cake is transmitted to the synthesis working section, and the filtrate is recycled, so that the waste of raw materials is reduced, and the resource utilization is maximized.

(2) The device is used for the cyclization of prothioconazole, the raw materials in cyclization production are easy to obtain, the operation is simple, the cost is lower, the three wastes are less, the reaction yield is higher, and the device is suitable for industrial production and is suitable for production and application popularization of pesticides.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

In the figure: raw material barrel (1), a first formalin head tank (2), a second formalin head tank (3), a third formalin head tank (4), a first ring-closure kettle (5), a second ring-closure kettle (6), a third ring-closure kettle (7), a gas phase condenser (8) and a separating device (9).

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: a prothioconazole cyclization production device, a raw material barrel 1 is respectively connected with the input ends of a first formaldehyde water elevated tank 2, a second formaldehyde water elevated tank 3 and a third formaldehyde water elevated tank 4, the input end of the first formaldehyde water elevated tank 2 is connected with a formaldehyde water solution, one output end of the first formaldehyde water elevated tank 2 is connected with a water ring pump vacuum main pipe, the communication mode of the first formaldehyde water elevated tank 2 is the same as that of the second formaldehyde water elevated tank 3 and the third formaldehyde water elevated tank 4, the output ends of the first formaldehyde water elevated tank 2, the second formaldehyde water elevated tank 3 and the third formaldehyde water elevated tank 4 are respectively connected with the input ends of a first cyclization kettle 5, a second cyclization kettle 6 and a third cyclization kettle 7, the first cyclization kettle 5, the second cyclization kettle 6 and the third cyclization kettle 7 are respectively connected with three gas phase condensers 8, the low-pressure steam output end of the first cyclization kettle 5 is communicated with the input end of the gas phase condenser 8, the input end of a first ring-closing kettle 5 is connected with sodium thiocyanate, one output end of the first ring-closing kettle 5 is connected with a vacuum main pipe of a water ring pump, the communication mode of the first ring-closing kettle 5 is the same as that of a second ring-closing kettle 6 and a third ring-closing kettle 7, the output end of a gas phase condenser 8 is communicated with the input end of the first ring-closing kettle 5, low-pressure steam is introduced into the gas phase condenser 8, the output ends of the first ring-closing kettle 5, the second ring-closing kettle 6 and the third ring-closing kettle 7 are connected with a separating device 9, and the separating device 9 consists of a filter cake output end and a filtrate output end.

The using method comprises the following steps: adding the formaldehyde aqueous solution in a raw material barrel 1 into a first formaldehyde water elevated tank 2, a second formaldehyde water elevated tank 3 and a third formaldehyde water elevated tank 4 respectively, feeding the products after reaction into a first cyclization kettle 5, a second cyclization kettle 6 and a third cyclization kettle 7 from the output ends of the first formaldehyde water elevated tank 2, the second formaldehyde water elevated tank 3 and the third formaldehyde water elevated tank 4 respectively, adding sodium thiocyanate into the first cyclization kettle 5, the second cyclization kettle 6 and the third cyclization kettle 7, feeding low-pressure steam generated by the reaction in the first cyclization kettle 5, the second cyclization kettle 6 and the third cyclization kettle 7 into three gas-phase condensers 8 respectively, feeding cooling water in the gas-phase condensers 8 into the first cyclization kettle 5, the second cyclization kettle 6 and the third cyclization kettle 7 again, feeding the mixed solution obtained after the reaction in the first cyclization kettle 5, the second cyclization kettle 6 and the third cyclization kettle 7 into a separation device 9, the separation device 9 separates the liquid from the filter cake, transmits the filter cake to the synthesis section, recycles the filtrate, reduces the waste of raw materials, maximizes the resource utilization, performs prothioconazole cyclization through the device, easily obtains the raw materials in cyclization production, has simple operation, lower cost, less three wastes and higher reaction yield, is suitable for industrial production, and is suitable for production and application popularization of pesticides.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a prothioconazole cyclization apparatus for producing which characterized in that: comprises a raw material barrel (1), a first formaldehyde water elevated tank (2), a second formaldehyde water elevated tank (3), a third formaldehyde water elevated tank (4), a first circulating kettle (5), a second circulating kettle (6), a third circulating kettle (7), a gas phase condenser (8) and a separating device (9), wherein the raw material barrel (1) is respectively connected with the input ends of the first formaldehyde water elevated tank (2), the second formaldehyde water elevated tank (3) and the third formaldehyde water elevated tank (4), the output ends of the first formaldehyde water elevated tank (2), the second formaldehyde water elevated tank (3) and the third formaldehyde water elevated tank (4) are respectively connected with the input ends of the first circulating kettle (5), the second circulating kettle (6) and the third circulating kettle (7), and the first circulating kettle (5), the second circulating kettle (6) and the third circulating kettle (7) are respectively connected with the three gas phase condenser (8), the output ends of the first circulating kettle (5), the second circulating kettle (6) and the third circulating kettle (7) are connected with a separating device (9).

2. The apparatus for producing prothioconazole of claim 1, wherein: the input of a formaldehyde water head tank (2) is connected into the formaldehyde water solution, an output end of the formaldehyde water head tank (2) is connected with a water ring pump vacuum main pipe, and the communication mode of the formaldehyde water head tank (2) is the same as that of a second formaldehyde water head tank (3) and a third formaldehyde water head tank (4).

3. The apparatus for producing prothioconazole of claim 1, wherein: the low-pressure steam output end of a first circulation kettle (5) is communicated with the input end of a gas phase condenser (8), the input end of the first circulation kettle (5) is connected with sodium thiocyanate, one output end of the first circulation kettle (5) is connected with a water circulation pump vacuum main pipe, and the communication mode of the first circulation kettle (5) is the same as that of a second circulation kettle (6) and a third circulation kettle (7).

4. The apparatus for producing prothioconazole of claim 1, wherein: the output end of the gas phase condenser (8) is communicated with the input end of the first ring-closing kettle (5), and low-pressure steam is introduced into the gas phase condenser (8).

5. The apparatus for producing prothioconazole of claim 1, wherein: the separation device (9) consists of a filter cake output end and a filtrate output end.