CN216572632U

CN216572632U - Post-treatment device is used in dichloro-dihydropyrido-pyrimidine-formic acid tert-butyl ester production

Info

Publication number: CN216572632U
Application number: CN202122881744.7U
Authority: CN
Inventors: 何为
Original assignee: Nanjing Dalton Chemical Technology Co ltd
Current assignee: Nanjing Dalton Chemical Technology Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-05-24
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses a post-processing device for dichloro-dihydropyrido-pyrimidine-tert-butyl formate production, which relates to the technical field of pharmaceutical chemicals and comprises a mixing tank and a storage tank, wherein the storage tank is arranged on one side of the mixing tank, the mixing tank is connected with the storage tank through a conveying component, the top end of the storage tank is connected with an exhaust pipe, a heater can be started to heat materials at the upper end of an inner cavity of a mixing cavity, the materials are rapidly melted and mixed in the stirring process, when the materials are mixed to form tert-butyl formate, a one-way valve can be opened, the tert-butyl formate is conveyed to the inner cavity of the storage tank through a first conveying pipe and a second conveying pipe to be cooled and precipitated, the atmospheric pressure generated inside the storage tank can be discharged outwards through the exhaust pipe, when the atmospheric pressure is discharged outwards through the exhaust pipe, a sealing cover is firstly pushed open, the sealing cover moves to the end far away from the exhaust pipe to separate from the exhaust pipe, and atmospheric pressure can be exhausted through the separation part of the sealing cover and the exhaust pipe.

Description

Post-treatment device is used in dichloro-dihydropyrido-pyrimidine-formic acid tert-butyl ester production

Technical Field

The utility model relates to the technical field of pharmaceutical chemicals, in particular to a post-treatment device for producing dichloro-dihydropyrido-pyrimidine-tert-butyl formate.

Background

Tert-butyl formate, molecular formula C5H10O2, also known as: TBF, is a molecular formula: C5H10O 2. Tert-butyl formate has wide application and can be used as an intermediate for pesticide, medicine and organic synthesis, and the like. When the tert-butyl formate is produced, a plurality of materials are required to be mixed and prepared, if the materials are not heated and melted in the production process, the mixing effect among the materials is influenced, the overall production efficiency is influenced, when the tert-butyl formate is produced in a mixing mode, the tert-butyl formate is usually poured into a sealing tank for cooling and precipitation, and when the tert-butyl formate is precipitated in a cooling mode, because the tank is in a sealing state, gases with large pressure are easily generated in the tank, and if the gases are not discharged in time, potential safety hazards are easily caused.

Disclosure of Invention

This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.

The present invention has been made in view of the above and/or other problems associated with prior post-treatment devices for the production of dichloro-dihydropyrido-pyrimidine-carboxylic acid tert-butyl ester.

Therefore, the problem to be solved by the present invention is how to provide a post-treatment device for dichloro-dihydropyrido-pyrimidine-carboxylic acid tert-butyl ester production.

In order to solve the technical problems, the utility model provides the following technical scheme: a post-treatment device for dichloro-dihydropyrido-pyrimidine-tert-butyl formate production comprises a mixing tank and a storage tank, wherein the storage tank is arranged on one side of the mixing tank, the mixing tank is connected with the storage tank through a conveying assembly, the top end of the storage tank is connected with an exhaust pipe, and one end, far away from the storage tank, of the exhaust pipe is further connected with a pressure relief assembly;

the driving motor is installed on the top of blending tank to reach the feed inlet that blending tank upper end one side is connected, and the blending tank has still been seted up to the inner chamber of blending tank.

Based on the technical characteristics: the inboard of mixing chamber is poured into through the feed inlet to multiple material mixes the production, can carry the inboard of holding vessel to cool off and deposit through conveying assembly after material production mixes, when tert-butyl formate when the cooling is deposiing, the atmospheric pressure that the holding vessel is inside to be produced can outwards discharge through the blast pipe, avoids atmospheric pressure to build up for a long time and can't discharge in the holding vessel and cause the potential safety hazard.

As a preferable embodiment of the post-treatment apparatus for dichloro-dihydropyrido-pyrimidine-carboxylic acid tert-butyl ester production according to the present invention, wherein: install the bull stick in the middle of the inner chamber of hybrid chamber, the upper end of bull stick is connected with driving motor's output, and the outside of bull stick is connected with the puddler, and the heater is still installed to one side upper end that the feed inlet was kept away from to the hybrid chamber inner chamber.

Based on the technical characteristics: the driving motor drives the stirring rod to mix and stir the materials through the rotating rod, and at the moment, an operator can start the heater to heat the materials at the upper end of the inner cavity of the mixing cavity, so that the materials are quickly melted and mixed in the stirring process.

As a preferable embodiment of the post-treatment apparatus for dichloro-dihydropyrido-pyrimidine-carboxylic acid tert-butyl ester production according to the present invention, wherein: the conveying assembly comprises a first conveying pipe connected to the lower end of the mixing tank and a second conveying pipe connected to the lower end of the storage tank, the first conveying pipe and the second conveying pipe are connected through a suction pump, and a one-way valve is further arranged on the first conveying pipe and the second conveying pipe.

Based on the technical characteristics: when the material mixes and forms tert-butyl formate, operating personnel can open the check valve, makes tert-butyl formate carry the inner chamber of holding vessel through first conveyer pipe and second conveyer pipe and cools off the sediment, and first conveyer pipe and second conveyer pipe pass through the suction pump suction and carry tert-butyl formate, and the condition that the check valve appears the backward flow after getting into the inner chamber of holding vessel can be avoided to the check valve.

As a preferable embodiment of the post-treatment apparatus for dichloro-dihydropyrido-pyrimidine-carboxylic acid tert-butyl ester production according to the present invention, wherein: the pressure release subassembly is including the locating plate of welding on the outer wall in the middle of the blast pipe, and the one end that the holding vessel was kept away from to the blast pipe still is connected with sealed lid, and still welds on the one end outer wall of blast pipe and has inhaled the iron stone piece.

Based on the technical characteristics: when the air pressure is discharged outwards through the exhaust pipe, the sealing cover is firstly pushed open, the sealing cover moves towards one end far away from the exhaust pipe to be separated from the exhaust pipe, and the atmospheric pressure can be discharged outwards through the separation position of the sealing cover and the exhaust pipe.

As a preferable embodiment of the post-treatment apparatus for dichloro-dihydropyrido-pyrimidine-carboxylic acid tert-butyl ester production according to the present invention, wherein: the joint laminating of sealed lid and blast pipe has the gasket, and the centre of sealed lid is provided with the iron plate, and sealed lid adsorbs mutually through iron plate and magnet piece to the one end that sealed lid is close to the blast pipe still is connected with the guide bar, and the guide bar is located the outside of blast pipe.

Based on the technical characteristics: sealed lid adsorbs on the magnet piece of inhaling of blast pipe one end through the iron board, and when sealed lid removed, the iron board also will produce the separation with inhaling the magnet piece, and sealed lid still will drive the guide bar synchronous motion simultaneously.

As a preferable embodiment of the post-treatment apparatus for dichloro-dihydropyrido-pyrimidine-carboxylic acid tert-butyl ester production according to the present invention, wherein: the guide rod penetrates through the inner side of the positioning plate, a buffer spring is sleeved on the surface of one side, away from the sealing cover, of the guide rod, the buffer spring is limited on one side of the positioning plate, and a limiting plate is welded at one end, away from the sealing cover, of the guide rod.

Based on the technical characteristics: when the guide bar follows sealed lid and removes to the one end of keeping away from the blast pipe, the guide bar will make its deformation through locating plate compression buffer spring, and the limiting plate that sets up prevents that buffer spring from breaking away from the guide bar, when gas exhaust pressure reduces sealed lid of not enough back-lifting, sealed lid will be kick-backed by buffer spring through the guide bar, at this moment sealed lid will be covered again and seal in the one end of blast pipe, the ironplate also will adsorb once more with inhaling the ironstone and fix sealed lid simultaneously, need not artifical manual exhaust, the security is improved.

The utility model has the beneficial effects that: the driving motor drives the stirring rod to mix and stir the materials through the rotating rod, at the moment, an operator can start the heater to heat the materials at the upper end of the inner cavity of the mixing cavity, the materials are rapidly melted and mixed in the stirring process, when the materials are mixed to form tert-butyl formate, the operator can open the one-way valve to enable the tert-butyl formate to be conveyed to the inner cavity of the storage tank through the first conveying pipe and the second conveying pipe to be cooled and precipitated, the atmospheric pressure generated inside the storage tank can be discharged outwards through the exhaust pipe, the potential safety hazard caused by the fact that the atmospheric pressure cannot be discharged out of the storage tank for a long time is avoided, when the atmospheric pressure is discharged outwards through the exhaust pipe, the sealing cover is firstly pushed open, at the moment, the sealing cover moves towards one end far away from the exhaust pipe to be separated from the sealing cover, the atmospheric pressure can be discharged outwards through the separation part of the sealing cover and the exhaust pipe, when the gas discharge pressure is not enough to push open the sealing cover, sealed lid will be kick-backed by buffer spring through the guide bar, and sealed lid is sealed at the end of blast pipe again at this moment, need not artifical manual exhaust, improves the security.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

FIG. 1 is a schematic diagram of the overall configuration of an aftertreatment device for dichloro-dihydropyrido-pyrimidine-carboxylic acid tert-butyl ester production in example 1.

FIG. 2 is a schematic diagram of the internal structure of a mixing tank of an aftertreatment device for dichloro-dihydropyrido-pyrimidine-carboxylic acid tert-butyl ester production in example 1.

Figure 3 is a cross-sectional view of the interior of a pressure relief assembly of an after-treatment device for the manufacture of dichloro-dihydropyrido-pyrimidine-carboxylic acid tert-butyl ester of example 2.

In the drawings, the components represented by the respective reference numerals are listed below:

100. a mixing tank; 101. a drive motor; 102. a feed inlet; 103. a mixing chamber; 103a, rotating rod

(ii) a 103b, a stirring rod; 103c, a heater; 200. a storage tank; 300. a delivery assembly; 301. a first delivery pipe; 302. a second delivery pipe; 303. a suction pump; 304. a one-way valve; 400. an exhaust pipe; 500. a pressure relief assembly; 501. positioning a plate; 502. a sealing cover; 502a, sealing plate; 502b, iron plates; 502c, a guide rod; 502c-1, a buffer spring; 502c-2 and a limit plate; 503. and absorbing the iron blocks.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 and 2, a first embodiment of the present invention provides an aftertreatment device for dichloro-dihydropyrido-pyrimidine-tert-butyl formate production, which comprises a mixing tank 100 and a storage tank 200, wherein the storage tank 200 is arranged on one side of the mixing tank 100, the mixing tank 100 is connected with the storage tank 200 through a conveying assembly 300, an exhaust pipe 400 is connected to the top end of the storage tank 200, a pressure relief assembly 500 is further connected to one end of the exhaust pipe 400 away from the storage tank 200, a driving motor 101 is mounted at the top end of the mixing tank 100, a feed inlet 102 is connected to one side of the upper end of the mixing tank 100, a mixing chamber 103 is further formed in the inner chamber of the mixing tank 100, a rotating rod 103a is mounted in the middle of the inner chamber of the mixing chamber 103, the upper end of the rotating rod 103a is connected with the output end of the driving motor 101, a stirring rod 103b is connected to the outer side of the rotating rod 103a, and a heater 103c is further mounted at the upper end of the inner chamber of the mixing chamber 103 away from the feed inlet 102, the delivery assembly 300 includes a first delivery pipe 301 connected to the lower end of the mixing tank 100, and a second delivery pipe 302 connected to the lower end of the storage tank 200, wherein the first delivery pipe 301 and the second delivery pipe 302 are connected by a suction pump 303, and the first delivery pipe 301 and the second delivery pipe 302 are further provided with check valves 304.

When a plurality of materials are poured into the inner side of the mixing cavity 103 through the feeding hole 102, the driving motor 101 drives the stirring rod 103b to mix and stir the materials through the rotating rod 103a, at this time, an operator can start the heater 103c to heat the materials at the upper end of the inner cavity of the mixing cavity 103, so that the materials are rapidly melted and mixed in the stirring process, when the materials are mixed to form tert-butyl formate, the operator can open the one-way valve 304 to convey the tert-butyl formate to the inner cavity of the storage tank 200 through the first conveying pipe 301 and the second conveying pipe 302 for cooling and precipitation, the first conveying pipe 301 and the second conveying pipe 302 convey the tert-butyl formate through the suction pump 303, the one-way valve 304 can avoid the backflow situation after the one-way valve 304 enters the inner cavity of the storage tank 200, and when the tert-butyl formate is cooled and precipitated, the atmospheric pressure generated inside the storage tank 200 can be discharged outwards through the exhaust pipe 400, the potential safety hazard caused by the fact that air pressure is accumulated in the storage tank 200 for a long time and cannot be discharged is avoided.

Example 2

Referring to fig. 3, a second embodiment of the present invention, which is different from the first embodiment, is: the pressure relief assembly 500 further comprises a positioning plate 501 welded on the middle outer wall of the exhaust pipe 400, a sealing cover 502 is further connected to one end of the exhaust pipe 400 far away from the storage tank 200, the outer wall of one end of the exhaust pipe 400 is welded with a magnet block 503, the joint of the sealing cover 502 and the exhaust pipe 400 is adhered with a sealing sheet 502a, and an iron plate 502b is provided in the middle of the gland 502, the gland 502 is adsorbed to the iron nugget 503 through the iron plate 502b, and one end of the sealing cap 502 close to the exhaust pipe 400 is further connected with a guide rod 502c, the guide rod 502c is positioned at the outer side of the exhaust pipe 400, the guide rod 502c penetrates through the inner side of the positioning plate 501, and a buffer spring 502c-1 is sleeved on the surface of one side of the guide rod 502c, which is far away from the sealing cover 502, the buffer spring 502c-1 is limited at one side of the positioning plate 501, and a limit plate 502c-2 is welded to one end of the guide rod 502c away from the sealing cap 502.

When the air pressure is discharged through the exhaust pipe 400, the sealing cap 502 is firstly pushed open, the sealing cap 502 moves to the end far away from the exhaust pipe 400 to separate from the end, the atmospheric pressure can be discharged through the separation part, at the same time, the sealing cap 502 is adsorbed on the iron attracting block 503 at the end of the exhaust pipe 400 through the iron plate 502b, when the sealing cap 502 moves, the iron plate 502b and the iron attracting block 503 will also separate, at the same time, the sealing cap 502 will drive the guide rod 502c to move synchronously, when the guide rod 502c moves to the end far away from the exhaust pipe 400 along with the sealing cap 502, the guide rod 502c will compress the buffer spring 502c-1 through the positioning plate 501 to deform, and the limiting plate 502c-2 is provided to prevent the buffer spring 502c-1 from disengaging from the guide rod 502c, when the air discharge pressure is reduced and is not enough to push open the sealing cap 502, the sealing cap 502 will be rebounded by the buffer spring 502c-1 through the guide rod 502c, at this time, the sealing cover 502 is covered again at one end of the exhaust pipe 400 for sealing, and the iron plate 502b and the iron attracting block 503 are adsorbed again to fix the sealing cover 502, so that manual exhaust is not needed, and the safety is improved.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims

1. A dichloro-dihydropyrido-pyrimidine-tert-butyl formate production is with aftertreatment device, includes blending tank (100) and holding vessel (200), its characterized in that: the storage tank (200) is arranged on one side of the mixing tank (100), the mixing tank (100) is connected with the storage tank (200) through the conveying assembly (300), the top end of the storage tank (200) is connected with the exhaust pipe (400), and one end, far away from the storage tank (200), of the exhaust pipe (400) is further connected with the pressure relief assembly (500);

the top end of the mixing tank (100) is provided with a driving motor (101) and a feeding hole (102) connected with one side of the upper end of the mixing tank (100), and the inner cavity of the mixing tank (100) is also provided with a mixing cavity (103).

2. The post-treatment apparatus for dichloro-dihydropyrido-pyrimidine-carboxylic acid tert-butyl ester production according to claim 1, wherein: install bull stick (103 a) in the middle of the inner chamber of hybrid chamber (103), the upper end of bull stick (103 a) is connected with driving motor (101)'s output, and the outside of bull stick (103 a) is connected with puddler (103 b), and hybrid chamber (103) inner chamber keeps away from one side upper end of feed inlet (102) and still installs heater (103 c).

3. The post-treatment apparatus for dichloro-dihydropyrido-pyrimidine-carboxylic acid tert-butyl ester production according to claim 1, wherein: the conveying assembly (300) comprises a first conveying pipe (301) connected to the lower end of the mixing tank (100) and a second conveying pipe (302) connected to the lower end of the storage tank (200), the first conveying pipe (301) and the second conveying pipe (302) are connected through a suction pump (303), and a one-way valve (304) is further arranged on the first conveying pipe (301) and the second conveying pipe (302).

4. The post-treatment apparatus for dichloro-dihydropyrido-pyrimidine-carboxylic acid tert-butyl ester production according to claim 1, wherein: pressure release subassembly (500) are including welding locating plate (501) on the outer wall in the middle of blast pipe (400), and the one end that holding vessel (200) were kept away from in blast pipe (400) still is connected with sealed lid (502), and still welds on the one end outer wall of blast pipe (400) and has inhaled iron stone (503).

5. The post-treatment apparatus for dichloro-dihydropyrido-pyrimidine-carboxylic acid tert-butyl ester production according to claim 4, wherein: the sealing piece (502 a) is attached to the joint of the sealing cover (502) and the exhaust pipe (400), the iron plate (502 b) is arranged in the middle of the sealing cover (502), the sealing cover (502) is adsorbed to the iron attracting block (503) through the iron plate (502 b), the guide rod (502 c) is further connected to one end, close to the exhaust pipe (400), of the sealing cover (502), and the guide rod (502 c) is located on the outer side of the exhaust pipe (400).

6. The post-treatment apparatus for dichloro-dihydropyrido-pyrimidine-carboxylic acid tert-butyl ester production according to claim 5, wherein: the guide rod (502 c) penetrates through the inner side of the positioning plate (501), a buffer spring (502 c-1) is sleeved on the surface of one side, away from the sealing cover (502), of the guide rod (502 c), the buffer spring (502 c-1) is limited on one side of the positioning plate (501), and a limiting plate (502 c-2) is further welded at one end, away from the sealing cover (502), of the guide rod (502 c).