CN215743437U

CN215743437U - Ball valve dead angle processing mechanism at bottom of reation kettle cauldron

Info

Publication number: CN215743437U
Application number: CN202122129456.6U
Authority: CN
Inventors: 汤建军; 田辉; 云浩; 李辉; 王建国
Original assignee: Inner Mongolia Hexi Aerospace Technology Development Co ltd
Current assignee: Inner Mongolia Hexi Aerospace Technology Development Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-02-08
Anticipated expiration: 2031-09-03

Abstract

The utility model discloses a reaction kettle bottom ball valve dead angle processing mechanism, which comprises a ball valve core, a material scraping rotary knife, a rotary knife connecting rod and an inner shaft, wherein the ball valve core is arranged on the bottom of the reaction kettle; one end of the bottom of the inner shaft is provided with a scraping rotary cutter; the scraping rotary knife is fixed with the inner shaft through a rotary knife connecting rod; the bottom of the scraping rotary cutter is attached to a valve core of the ball valve; the middle part of the scraping rotary knife is provided with a discharge hole, and the scraping rotary knife is driven to rotate through the rotation of the inner shaft so as to enable materials at dead corners to be subjected to solid-liquid mixing. Through the device, make ball valve mouth department stir no dead angle, solid material all can all participate in the reaction, ensure that polymerization is even, the discharge gate does not have the jam phenomenon, solves the material and stores up the valve port problem, and equipment is simple to use.

Description

Ball valve dead angle processing mechanism at bottom of reation kettle cauldron

Technical Field

The utility model relates to the technical field of reaction kettle material treatment, in particular to a reaction kettle bottom ball valve dead angle treatment mechanism.

Background

The broad understanding of the reaction kettle is that a physical or chemical reaction container is provided, and the heating, evaporation, cooling and told mixing functions required by the process are realized through the structural design and parameter configuration of the container. The reaction kettle is widely applied to the fields of petroleum, chemical industry, rubber, pesticides, dyes, medical treatment, food and the like, and is a pressure container for completing technological processes of vulcanization, nitration, hydrogenation, alkylation, polymerization, condensation and the like.

The existing industrial polymerization reaction kettle mostly adopts a ball valve switch to control the material to enter and exit, a sealing ring material of a valve seat of the ball valve is made of polytetrafluoroethylene, the ball valve is inert to all chemical substances, but the ball valve is used as a valve of a feed opening, solid material accumulation and blocking are easy to occur, the polymerization reaction is incomplete, and the polymer is polluted during discharging.

The utility model has the following contents:

according to the defects of the prior art, the utility model provides the dead angle treatment mechanism for the ball valve at the bottom of the reaction kettle, through the dead angle treatment mechanism, the ball valve is stirred at the opening without dead angles, solid materials can all participate in the reaction, the uniform polymerization reaction is ensured, the discharge opening is free from blockage, the problem of material accumulation at the valve opening is solved, and the equipment is simple to use.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

a dead angle processing mechanism for a ball valve at the bottom of a reaction kettle is characterized by comprising a ball valve core, a material scraping rotary knife, a rotary knife connecting rod and an inner shaft; one end of the bottom of the inner shaft is provided with a scraping rotary cutter; the scraping rotary knife is fixed with the inner shaft through a rotary knife connecting rod; the bottom of the scraping rotary cutter is attached to a valve core of the ball valve; the middle part of the scraping rotary knife is provided with a discharge hole, and the scraping rotary knife is driven to rotate through the rotation of the inner shaft so as to enable materials at dead corners to be subjected to solid-liquid mixing.

Preferably, a cylinder is arranged in the middle of the scraping rotary cutter, and blades with inclined planes are arranged on two sides of the cylinder; the bottom of the blade and barrel assembly is provided with a semicircular concave cambered surface; the material moving-up initial position of the blade scraping material is taken as the intersection line of the inclined plane of the blade and the semi-circular concave cambered surface; the bevel orientation of the blade is kept consistent along the same rotation direction.

Preferably, the outer side of the inner shaft is provided with an outer shaft, and the inner shaft is movably connected with the outer shaft in a nested manner; and a stirring blade is fixed on the shaft body of the outer shaft.

Preferably, the stirring blade is in a U-shaped structure, and the stirring blade and the outer shaft are fixed through a connecting piece.

Preferably, the moving fields of the inner shaft, the outer shaft and the stirring blades are arranged in the reaction kettle; the scraping rotary knife and the rotary knife connecting rod extend into the position of the valve core of the ball valve in the blanking cavity at the bottom of the reaction kettle, so that the scraping rotary knife is attached to the valve core of the ball valve.

Preferably, the length of the inner shaft is greater than that of the outer shaft, and a first gear and a second gear are respectively arranged at the top of the inner shaft and the top of the outer shaft; the top of the reaction kettle is provided with an independent space, and a first motor and a second motor for transmission are fixed in the space; a third gear and a fourth gear are fixed on rotating shafts of the first motor and the second motor; the third gear is in matched transmission with the first gear, and the second gear is in matched transmission with the fourth gear; the second motor is fixed through a fixing support.

The utility model discloses a dead angle processing mechanism for a ball valve at the bottom of a reaction kettle, which has the following beneficial effects:

1. the material scraping rotary cutter is attached to a valve core of the ball valve, so that materials at dead angles of the ball valve can be stirred, the materials can move upwards in the rotating process, and finally the materials are discharged from a discharge hole in the middle of the barrel.

2. The material scraping rotary cutter is driven to be an inner shaft, the inner shaft and the outer shaft do not influence respective rotation, and the rotating speed of each shaft body is controlled.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is an overall sectional structural view of the present invention.

Fig. 2 is a schematic structural view of the scraping rotary cutter of the present invention.

Fig. 3 is a schematic view of the inner structure of the feed cylinder of the present invention.

Fig. 4 is a schematic structural diagram of the transmission mechanism of the present invention.

FIG. 5 is a schematic view of the structure of the reaction vessel of the present invention.

In the figure, a ball valve core 1, a scraping rotary cutter 2, a blade 2-1, a cylinder 2-2, a rotary cutter connecting rod 3, an inner shaft 4, an outer shaft 5, a stirring blade 6, a reaction kettle 7, a blanking cavity 8, a first motor 9, a second motor 10, a first gear 11, a second gear 12, a third gear 13, a fourth gear 14 and a fixed support 15.

The specific implementation mode is as follows:

as shown in the figure, the dead angle treatment mechanism for the ball valve at the bottom of the reaction kettle 7 comprises a ball valve core 1, a material scraping rotary knife 2, a rotary knife connecting rod 3 and an inner shaft 4; one end of the bottom of the inner shaft 4 is provided with a scraping rotary cutter 2; the scraping rotary knife 2 is fixed with the inner shaft 4 through a rotary knife connecting rod 3; the bottom of the scraping rotary cutter 2 is attached to the ball valve core 1; the middle part of the scraping rotary knife 2 is provided with a discharge hole, and the scraping rotary knife 2 is driven to rotate by the rotation of the inner shaft 4 so as to mix solid and liquid in dead corners; the middle part of the scraping rotary cutter 2 is provided with a barrel 2-2, two sides of the barrel 2-2 are provided with blades 2-1 with inclined planes, and the bottom of a combined part of the blades 2-1 and the barrel 2-2 is provided with a semicircular concave cambered surface; the material moving-up initial position of the blade scraping is taken as the intersection line of the inclined plane of the blade 2-1 and the semicircular concave cambered surface; the bevel of the blade 2-1 is oriented in the same direction of rotation. The structure of the scraping rotary cutter 2 is convenient for scraping materials at dead corners, and can move the materials upwards along the inclined plane of the blade 2-1 to prevent the materials from rotating at one position all the time.

As shown in the figure, the outer shaft 5 is arranged on the outer side of the inner shaft 4, and the inner shaft 4 is movably connected with the outer shaft 5 in a nested manner; a stirring blade 6 is fixed on the shaft body of the outer shaft 5; the stirring blade 6 is in a U-shaped structure, and the stirring blade 6 and the outer shaft 5 are fixed through a connecting piece; the activity fields of the inner shaft 4, the outer shaft 5 and the stirring blades 6 are arranged in a reaction kettle 7; the turning directions of the inner shaft 4 and the outer shaft 5 can be set to be opposite directions, so that the materials at the dead corners form convection inside and then accelerate the reaction; the scraping rotary knife 2 and the rotary knife connecting rod 3 extend into the position of a ball valve core 1 in a blanking cavity 8 at the bottom of the reaction kettle 7, so that the scraping rotary knife 2 is attached to the ball valve core 1; the length of the inner shaft 4 is greater than that of the outer shaft 5, and a first gear 11 and a second gear 12 are respectively arranged at the top of the inner shaft 4 and the top of the outer shaft 5; the top of the reaction kettle 7 is provided with an independent space, and a first motor 9 and a second motor 10 for transmission are fixed in the space; a third gear 13 and a fourth gear 14 are fixed at the rotating ends of the first motor 9 and the second motor 10; the third gear 13 is in matched transmission with the first gear 11, and the second gear 12 is in matched transmission with the fourth gear 14; the second motor 10 is fixed by a fixing bracket 15, and internal stirring is realized by a transmission mechanism. The above-mentioned fixing methods are all welded or screwed by means of the common technical means of those skilled in the art, if they are not separately described.

The working principle is as follows:

the first motor 9 is set to continuously work, the second motor 10 is set to be in intermittent work at regular time, cleaning is carried out once after a certain amount of material is accumulated, the direction of rotation of the second motor 10 is opposite to that of the first motor 9, when the second motor 10 works and enables, the bottom rotary knife connecting rod 3 is driven, the rotary knife connecting rod 3 drives the scraping rotary knife 2 to start rotating along the ball valve core 1, materials at the dead angle between the ball valve core 1 and the blanking barrel are pushed by the scraping rotary knife 2, the materials at the dead angle can move upwards along the inclined plane of the blade 2-1, the materials and liquid which move upwards are mixed to form convection due to the fact that the inner shaft 4 and the outer shaft 5 are opposite in direction, and the materials which move upwards can be subjected to accelerated reaction.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A dead angle processing mechanism for a ball valve at the bottom of a reaction kettle is characterized by comprising a ball valve core, a material scraping rotary knife, a rotary knife connecting rod and an inner shaft; one end of the bottom of the inner shaft is provided with a scraping rotary cutter; the scraping rotary knife is fixed with the inner shaft through a rotary knife connecting rod; the bottom of the scraping rotary cutter is attached to a valve core of the ball valve; the middle part of the scraping rotary knife is provided with a discharge hole, and the scraping rotary knife is driven to rotate through the rotation of the inner shaft so as to enable materials at dead corners to be subjected to solid-liquid mixing.

2. The bottom ball valve dead angle processing mechanism of the reaction kettle according to claim 1, characterized in that: the middle part of the scraping rotary cutter is provided with a barrel, and two sides of the barrel are provided with blades with inclined planes; the bottom of the blade and barrel assembly is provided with a semicircular concave cambered surface; the material moving-up initial position of the blade scraping material is taken as the intersection line of the inclined plane of the blade and the semi-circular concave cambered surface; the bevel orientation of the blade is kept consistent along the same rotation direction.

3. The bottom ball valve dead angle processing mechanism of the reaction kettle according to claim 1, characterized in that: an outer shaft is arranged on the outer side of the inner shaft, and the inner shaft and the outer shaft are movably connected in a nested manner; and a stirring blade is fixed on the shaft body of the outer shaft.

4. The bottom ball valve dead angle processing mechanism of the reaction kettle according to claim 3, characterized in that: the stirring blade is of a U-shaped structure, and the stirring blade and the outer shaft are fixed through a connecting piece.

5. The bottom ball valve dead angle processing mechanism of the reaction kettle according to claim 3, characterized in that: the inner shaft, the outer shaft and the moving field of the stirring blades are arranged in the reaction kettle; the scraping rotary knife and the rotary knife connecting rod extend into the position of the valve core of the ball valve in the blanking cavity at the bottom of the reaction kettle, so that the scraping rotary knife is attached to the valve core of the ball valve.

6. The bottom ball valve dead angle processing mechanism of the reaction kettle according to claim 5, characterized in that: the length of the inner shaft is greater than that of the outer shaft, and a first gear and a second gear are respectively arranged at the top of the inner shaft and the top of the outer shaft; the top of the reaction kettle is provided with an independent space, and a first motor and a second motor for transmission are fixed in the space; a third gear and a fourth gear are fixed on rotating shafts of the first motor and the second motor; the third gear is in matched transmission with the first gear, and the second gear is in matched transmission with the fourth gear; the second motor is fixed through a fixing support.