CN111992140A

CN111992140A - Adjustable metering device for chemical reaction kettle

Info

Publication number: CN111992140A
Application number: CN202010764065.9A
Authority: CN
Inventors: 陈萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-01
Filing date: 2020-08-01
Publication date: 2020-11-27

Abstract

The invention belongs to the field of chemical reaction kettles, and particularly relates to an adjustable metering device for a chemical reaction kettle, which comprises a kettle body, wherein two feeding cylinders with the upper ends open are fixedly connected to the upper end of the kettle body, the cross sections of the feeding cylinders are arranged in a rectangular manner, each feeding cylinder penetrates through the upper side wall of the kettle body, a piston is hermetically and slidably connected into each feeding cylinder, a fixing frame is fixedly connected to the upper end of the kettle body, two threaded rods which are vertically arranged are rotatably connected to the inner top surface of the fixing frame, the lower end of each threaded rod extends into each feeding cylinder and penetrates through the piston, and the threaded rods are hermetically and threadedly connected with the piston through threads on the side wall. The threaded rod can drive the plurality of fan blades at the lower end of the threaded rod to rotate while rotating, so that the stirring effect on the materials in the feeding cylinder can be realized, the phenomena of layering and the like of the materials in the standing process are prevented from affecting the chemical shapes of the materials, the accuracy of reaction conditions is ensured, and the normal operation of chemical reaction in the reaction kettle is ensured.

Description

Adjustable metering device for chemical reaction kettle

Technical Field

The invention belongs to the field of chemical reaction kettles, and particularly relates to an adjustable metering device for a chemical reaction kettle.

Background

Various types of reaction devices are often used in the chemical production process, a reaction kettle is a common reaction device, the reaction kettle is a container capable of carrying out physical or chemical reaction, and the reaction kettle can be divided into a carbon steel reaction kettle, a glass lining reaction kettle, a steel lining PTFE reaction kettle and the like according to different use conditions.

Most traditional reation kettle need advance the reaction raw materials who prepares the proportion and advance into the cauldron internal before the start-up, the inlet pipe need keep normally open state in the feeding process, some special chemical reaction need advance according to certain proportion in-process according to the gradual feeding of reaction, if open the inlet pipe midway, the leakproofness suffers to destroy very easily and just can influence going on of reaction, lead to the failure of reaction even, some traditional reation kettle should install the feeding section of thick bamboo of different proportions, nevertheless just need change the feeding section of thick bamboo of corresponding proportion again when the in-process that needs were gone on in the reaction when adjusting the feeding proportion of material, be not convenient for adjust, waste time and energy during the use, and produce the influence to the reaction result easily.

Therefore, an adjustable metering device for a chemical reaction kettle is provided to solve the problems.

Disclosure of Invention

The invention aims to provide an adjustable metering device for a chemical reaction kettle, which is convenient for proportional feeding in the reaction process, aiming at the problem that most of traditional reaction kettles are difficult to proportionally feed in the reaction process.

In order to achieve the purpose, the invention adopts the following technical scheme: an adjustable metering device for a chemical reaction kettle comprises a kettle body, wherein the upper end of the kettle body is fixedly connected with two feeding cylinders with the upper ends open, the cross sections of the feeding cylinders are arranged in a rectangular shape, each feeding cylinder penetrates through the upper side wall of the kettle body, a piston is hermetically and slidably connected in each feeding cylinder, a fixed frame is fixedly connected to the upper end of the kettle body, the inner top surface of the fixed frame is rotatably connected with two threaded rods which are vertically arranged, the lower end of each threaded rod extends into the feeding cylinder and penetrates through the piston, the threaded rods are in threaded connection with the pistons through threads on the side walls in a sealing manner, a set of pinion with the radius changing in a gradient manner is fixedly sleeved on each threaded rod, two sets of pinions on the two threaded rods are arranged in a central symmetry manner, and a main gear is meshed and connected between the two sets of pinions, the lower end of the main gear rotating shaft is fixedly connected with a turntable, and the main gear is connected with a guide rail mechanism.

The invention has the beneficial effects that:

two sets of pinion gears on the two threaded rods are arranged in central symmetry, the radius of the main gear is unchanged, when the main gear rotates, the rotating speed of the pinion gear with the smaller radius is larger than that of the pinion gear with the larger radius, and the threaded rod corresponding to the pinion gear can drive the corresponding piston to descend for a relatively longer distance, so that different materials can be fed according to corresponding proportions.

In foretell chemical industry is adjustable metering device for reation kettle, guide rail mechanism includes the fixed plate of fixed connection in fixed frame one side, be equipped with the guide rail groove of Z shape on the fixed plate, the cover is equipped with the rotary drum on the master gear pivot, the lateral wall fixed connection of rotary drum has the connecting rod that the level set up, the other end of connecting rod extend to the guide rail inslot set up and with guide rail groove sliding connection, the interior top surface fixed mounting of fixed frame has the telescopic link, fixedly connected with connection rope between the output of telescopic link and the one end that the connecting rod extends to the guide rail inslot.

The Z-shaped guide rail groove is matched with a motion path of the main gear among the plurality of the pinion gears during adjustment, the main gear can be switched among the plurality of the pinion gears along the path of the guide rail groove, adjustment of different material feeding proportions is achieved, and the adjustment can be achieved only by adjusting the telescopic rod in the process, so that the use is convenient.

In the adjustable metering device for the chemical reaction kettle, the lower end of the feeding barrel is fixedly connected with a discharging pipe internally provided with a pressure valve, and the lower port of the discharging pipe is smaller than the lower port of the feeding barrel.

When the threaded rod drives the piston to move downwards, the pressure in the space below the piston is increased, the pressure valve is opened, and the material is extruded into the reaction kettle through the discharge pipe, so that the material is added in the reaction process.

In foretell chemical industry is adjustable metering device for reation kettle, the equal fixedly connected with stopper in the lower extreme of threaded rod and the upper end of master gear pivot, the stopper of threaded rod lower extreme can be spacing moving down the distance of piston, avoids the piston slippage, and the stopper of master gear pivot upper end can restrict the position of rotary drum.

In the adjustable metering device for the chemical reaction kettle, a plurality of fan blades are fixedly connected to the circumferential side wall of the limiting block at the lower end of the threaded rod.

The threaded rod can drive the multiple fan blades at the lower end of the threaded rod to rotate when rotating, the stirring effect on materials in the feeding cylinder can be achieved, the phenomenon that the materials are layered in the standing process is prevented, the chemical shapes of the materials are affected, the accuracy of reaction conditions is guaranteed, and therefore the normal proceeding of chemical reaction in the reaction kettle is guaranteed.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment 1 of an adjustable metering device for a chemical reaction kettle, provided by the invention;

FIG. 2 is a schematic front view of a fixing plate in an embodiment 1 of an adjustable metering device for a chemical reaction kettle according to the present invention;

FIG. 3 is a schematic view of a main gear and a fixing plate of an embodiment 1 of an adjustable metering device for a chemical reactor according to the present invention;

fig. 4 is a schematic structural diagram of an embodiment 2 of an adjustable metering device for a chemical reaction kettle, provided by the invention.

In the figure, 1 kettle body, 2 feeding cylinders, 3 pistons, 4 fixing frames, 5 threaded rods, 6 pinions, 7 main gears, 8 turntables, 9 fixing plates, 10 guide rail grooves, 11 rotating cylinders, 12 connecting rods, 13 telescopic rods, 14 connecting ropes, 15 discharging pipes, 16 limiting blocks and 17 fan blades.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1-3, an adjustable metering device for chemical reaction kettle, including the cauldron body 1, two feeding cylinder 2 that the upper end was all uncovered and is set up are fixedly connected with to the upper end of cauldron body 1, and the cross-section of feeding cylinder 2 is the rectangle setting, can carry on spacingly to piston 3, prevents that piston 3 from rotating along with threaded rod 5, contains non-solid material in the feeding cylinder 2, and every feeding cylinder 2 all runs through the lateral wall setting of going up of cauldron body 1.

It is worth mentioning that, the lower extreme fixedly connected with internally mounted of feed cylinder 2 has discharge pipe 15 of pressure valve, and the lower port of discharge pipe 15 is less than the lower port of feed cylinder 2, and when threaded rod 5 drove 3 downstream of piston, the pressure increase in the space below 3 pistons, pressure valve opened, just can crowd the material to reation kettle in through discharge pipe 15, realizes the reaction and carries out the interpolation of in-process material.

Equal sealing sliding connection has piston 3 in every feeding section of thick bamboo 2, and the fixed frame 4 of the upper end fixedly connected with of the cauldron body 1, the interior top surface of fixed frame 4 rotate and are connected with two threaded rods 5 of equal vertical setting, and the lower extreme of every threaded rod 5 all extends to feeding section of thick bamboo 2 in and runs through the setting of piston 3, is equipped with fine thread on the lateral wall of threaded rod 5, and threaded rod 5 passes through the screw thread on the lateral wall and 3 sealing thread connection of piston.

All fixed cover is equipped with a set of radius and becomes the pinion 6 of gradient change on every threaded rod 5, and two sets of pinions 6 on two threaded rods 5 are central symmetry and set up, and common meshing is connected with master gear 7 (as shown in figure 1) between two sets of pinions 6, and the lower extreme fixedly connected with carousel 8 of master gear 7 pivot, operating personnel drive master gear 7 through carousel 8 and rotate, provide drive power.

It should be noted that, the lower extreme of threaded rod 5 and the equal fixedly connected with stopper 16 in upper end of master gear 7 pivot, stopper 16 of threaded rod 5 lower extreme can carry out spacing to the distance that moves down of piston 3, avoids the piston 3 slippage, and stopper 16 of master gear 7 pivot upper end can restrict the position of rotary drum 11.

The main gear 7 is connected with a guide rail mechanism, specifically, the guide rail mechanism comprises a fixing plate 9 fixedly connected to one side of the fixing frame 4, a Z-shaped guide rail groove 10 (shown in fig. 2) is arranged on the fixing plate 9, the Z-shaped guide rail groove 10 is matched with a motion path of the main gear 7 among the plurality of the auxiliary gears 6 during adjustment, and the main gear 7 can be switched among the plurality of the auxiliary gears 6 along the path of the guide rail groove 10 to realize adjustment of different material feeding ratios.

The cover is equipped with rotary drum 11 in 7 pivots of master gear, the connecting rod 12 that the lateral wall fixed connection of rotary drum 11 has the level to set up, the other end of connecting rod 12 extend to guide rail groove 10 in and with guide rail groove 10 sliding connection (as shown in fig. 3), the interior top surface fixed mounting of fixed frame 4 has telescopic link 13, telescopic link 13 is connected with the controller, the length that 13 single extensions of controller control telescopic link or shorten, fixedly connected with between the one end that the output of telescopic link 13 and connecting rod 12 extend to guide rail groove 10 is connected rope 14.

The invention can be illustrated by the following operating modes:

when the device is used, reaction raw materials to be added in the reaction process are contained in the feeding barrel 2, the position of the main gear 7 is adjusted according to the proportion of the raw materials, namely, the telescopic rod 13 is started, and the telescopic rod can be extended or shortened by a corresponding length at a time through the connecting rope 14 under the control of the controller.

Because two sets of the pinion gears 6 on the two threaded rods 5 are arranged in central symmetry, and the radius of the main gear 7 is unchanged, when the main gear 7 rotates, the rotating speed of the pinion gear 6 with the smaller radius is greater than that of the pinion gear 6 with the larger radius, and the threaded rod 5 corresponding to the small pinion gear 6 can drive the corresponding piston 3 to descend for a relatively longer distance, so that different materials can be fed according to corresponding proportions.

When the telescopic rod 13 is started to drive the main gear 7 to move, the main gear 7 can be switched among the plurality of auxiliary gears 6 along the path of the guide rail groove 10 under the driving of the connecting rod 12, so that the main gear 7 is meshed with the two auxiliary gears 6 with different radius ratios, the adjustment of different material feeding proportions is realized, and the use is convenient.

When adjusting master gear 7 to suitable position, rotate carousel 8 and drive master gear 7 and rotate, make two pinion 6 drive two threaded rod 5 and rotate, pivoted threaded rod 5 can drive the piston 3 of threaded connection with it and move downwards to extrude the material in the cauldron body 1 through discharging pipe 15, realize the addition of reaction in-process material.

Example 2

As shown in fig. 4, the present embodiment is different from embodiment 1 in that: a plurality of fan blades 17 are fixedly connected to the peripheral side wall of a limiting block 16 positioned at the lower end of the threaded rod 5.

In this embodiment, can drive its lower extreme multi-disc flabellum 17 rotation when threaded rod 5 rotates, can play the stirring effect to the material in the feed cylinder 2, prevent that the material from taking place phenomenons such as layering and influencing the chemical shape of material at the in-process that stews, guaranteed reaction condition's accuracy nature to the normal clear of chemical reaction in the cauldron body 1 is guaranteed.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The adjustable metering device for the chemical reaction kettle comprises a kettle body (1) and is characterized in that the upper end of the kettle body (1) is fixedly connected with two feeding cylinders (2) with the upper ends respectively opened, the cross sections of the feeding cylinders (2) are arranged in a rectangular manner, each feeding cylinder (2) penetrates through the upper side wall of the kettle body (1) and is provided with a piston (3), the upper end of the kettle body (1) is fixedly connected with a fixed frame (4), the inner top surface of the fixed frame (4) is rotatably connected with two threaded rods (5) which are vertically arranged, the lower end of each threaded rod (5) extends into the feeding cylinder (2) and penetrates through the piston (3) for arrangement, the threaded rods (5) are connected with the piston (3) through threads on the side wall in a sealing manner, a set of auxiliary gears (6) with the radius changing in a gradient manner is fixedly sleeved on each threaded rod (5), two sets of pinion (6) on threaded rod (5) are central symmetry and set up, and are two sets of common meshing is connected with master gear (7) between pinion (6), the lower extreme fixedly connected with carousel (8) of master gear (7) pivot, master gear (7) are connected with guide rail mechanism.

2. The adjustable metering device for the chemical reaction kettle as claimed in claim 1, wherein the guide rail mechanism comprises a fixing plate (9) fixedly connected to one side of a fixing frame (4), a Z-shaped guide rail groove (10) is formed in the fixing plate (9), a rotating drum (11) is sleeved on a rotating shaft of the main gear (7), a horizontally arranged connecting rod (12) is fixedly connected to a side wall of the rotating drum (11), the other end of the connecting rod (12) extends into the guide rail groove (10) and is slidably connected with the guide rail groove (10), a telescopic rod (13) is fixedly mounted on the inner top surface of the fixing frame (4), and a connecting rope (14) is fixedly connected between an output end of the telescopic rod (13) and one end of the connecting rod (12) extending into the guide rail groove (10).

3. The adjustable metering device for the chemical reaction kettle as claimed in claim 2, wherein a discharge pipe (15) with a pressure valve mounted inside is fixedly connected to the lower end of the feed cylinder (2), and the lower port of the discharge pipe (15) is smaller than the lower port of the feed cylinder (2).

4. The adjustable metering device for the chemical reaction kettle as claimed in claim 3, wherein the lower end of the threaded rod (5) and the upper end of the rotating shaft of the main gear (7) are both fixedly connected with a limiting block (16).

5. The adjustable metering device for the chemical reaction kettle as claimed in claim 4, wherein a plurality of fan blades (17) are fixedly connected to the peripheral side wall of the limiting block (16) at the lower end of the threaded rod (5).