CN219502685U

CN219502685U - Polyether polyol catalyst adding machine

Info

Publication number: CN219502685U
Application number: CN202223445444.5U
Authority: CN
Inventors: 邵琛; 艾玲利
Original assignee: Jilin Chuangying Technology Co ltd
Current assignee: Jilin Chuangying Technology Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-08-11
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses a polyether polyol catalyst adding machine which comprises a reaction kettle, wherein a catalyst adding hopper is arranged at the top end of the reaction kettle, a quantitative adding mechanism is arranged in the catalyst adding hopper, the quantitative adding mechanism comprises a rotating rod, a rotating drum, a partition plate, a gear assembly and a positioning assembly, a circular groove is formed in the catalyst adding hopper, the rotating rod is fixedly connected with the rotating drum in a penetrating manner, the rotating rod is rotatably connected with the inner wall of the circular groove in a penetrating manner, the two partition plates are respectively fixedly connected to two sides of the rotating drum, the gear assembly is connected with one end of the rotating rod, and the positioning assembly is arranged on one side of the catalyst adding hopper. The utility model can add the catalyst in the four equal cavities into the reaction kettle in equal quantity by utilizing the arrangement mode of matching the rotating rod, the rotating cylinder, the partition plate, the gear assembly and the positioning assembly, thereby ensuring that the adding quantity of the catalyst in each chemical reaction is constant, avoiding the waste of the catalyst and being convenient to use.

Description

Polyether polyol catalyst adding machine

Technical Field

The utility model relates to the technical field of catalyst addition, in particular to a polyether polyol catalyst adding machine.

Background

Polyether polyol is prepared by polyaddition reaction of an initiator and ethylene oxide, propylene oxide, butylene oxide and the like in the presence of a catalyst. The maximum polyether yield is that glycerin is used as an initiator and epoxide, and various general polyether polyols are produced by changing the feeding modes, the feeding ratio, the feeding sequence and the like of PO and EO.

At present, in the process of adding the catalyst in the chemical reaction in the same container, most of the catalyst is added by manual or external conveying and adding equipment, but the adding amount of the manual and conveying and adding equipment is uncertain, so that excessive or too little catalyst is easy to cause, the rate of the chemical reaction is not high due to the reduction of too little catalyst, and the excessive catalyst can cause catalyst waste.

Disclosure of Invention

The utility model aims to provide a polyether polyol catalyst adding machine which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a polyether polyol catalyst adding machine comprises a reaction kettle, wherein a catalyst adding hopper is arranged at the top end of the reaction kettle;

a quantitative adding mechanism is arranged in the catalyst adding hopper;

the quantitative adding mechanism comprises a rotating rod, a rotating drum, a partition plate, a gear assembly and a positioning assembly, wherein a circular groove is formed in the catalyst adding hopper, the rotating drum is located in the circular groove, the rotating rod is fixedly inserted and connected with the rotating drum, the rotating rod is rotatably inserted and connected with the inner wall of the circular groove, the two partition plates are respectively and fixedly connected with the two sides of the rotating drum, the gear assembly is connected with one end of the rotating rod, and the positioning assembly is arranged on one side of the catalyst adding hopper.

Preferably, the gear assembly comprises a first gear and a second gear, the first gear is fixedly connected with the rotating rod in a penetrating mode, the second gear is rotatably connected with the catalyst adding hopper through a rotating shaft, and the first gear is meshed with the second gear.

Preferably, the locating component comprises a locating rod, a clamping block, a fixing plate and a compression spring, wherein the fixing plate is fixedly connected to one side of the catalyst adding hopper, the locating rod is connected with the fixing plate in a sliding penetrating mode, the clamping block is fixedly connected to one end of the locating rod, the clamping block is matched with the second gear, and the compression spring is sleeved outside the locating rod.

Preferably, a clamping groove is formed in one side of the second gear, and the clamping block is connected with the inner cavity of the clamping groove in a sliding penetrating mode.

Preferably, one end of the compression spring is fixedly connected with the clamping block, and the other end of the compression spring is fixedly connected with the fixing plate.

Preferably, a protecting shell is fixedly connected to one side of the catalyst adding hopper, and the positioning rod is connected with one side of the protecting shell in a sliding penetrating manner.

Preferably, a rotating handle is fixedly connected to one side of the second gear, a through groove is formed in one side of the protective shell, and the rotating handle is connected with an inner cavity of the through groove in a rotating and penetrating mode.

The utility model has the technical effects and advantages that:

(1) According to the utility model, the circular groove is divided into two equivalent cavities through the partition plate by utilizing the arrangement mode of the matching of the rotating rod, the rotating drum, the partition plate, the gear assembly and the positioning assembly, and under the rotation of the gear assembly, the catalysts in the two equivalent cavities can be added into the reaction kettle in an equivalent manner, so that the adding amount of the catalyst in each chemical reaction is ensured to be constant, the adding amount of the catalyst is not too small or too large, the influence on the chemical reaction rate is avoided, the catalyst waste is avoided, and the use is convenient;

(2) According to the utility model, the protective shell is sleeved outside the gear assembly and the positioning assembly by using the arrangement mode of the protective shell, so that the damage of the outside to the gear assembly and the positioning assembly is reduced as much as possible, and the service life of the equivalent adding mechanism is prolonged.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

FIG. 2 is a schematic view of the front internal structure of the catalyst addition hopper of the present utility model.

FIG. 3 is a second schematic view of the front internal structure of the catalyst addition hopper of the present utility model.

FIG. 4 is a schematic diagram of the front internal structure of the protective housing of the present utility model.

In the figure: 1. a reaction kettle; 2. a catalyst addition hopper; 3. a quantitative adding mechanism; 31. a rotating lever; 32. a rotating drum; 33. a partition plate; 34. a gear assembly; 341. a first gear; 342. a second gear; 35. a positioning assembly; 351. a positioning rod; 352. a clamping block; 353. a fixing plate; 354. a compression spring; 4. a protective shell; 5. the handle is turned.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a polyether polyol catalyst adding machine shown in figures 1-4, which comprises a reaction kettle 1, wherein the top end of the reaction kettle is provided with a catalyst adding hopper 2;

a quantitative adding mechanism 3 is arranged in the catalyst adding hopper 2;

the quantitative adding mechanism 3 comprises a rotating rod 31, a rotating drum 32, a partition plate 33, a gear assembly 34 and a positioning assembly 35, wherein a circular groove is formed in the catalyst adding hopper 2, the rotating drum 32 is located in the circular groove, the rotating rod 31 is fixedly connected with the rotating drum 32 in a penetrating mode, the rotating rod 31 is rotatably connected with the inner wall of the circular groove in a penetrating mode, the two partition plates 33 are fixedly connected to the two sides of the rotating drum 32 respectively, the partition plates 33 are symmetrically arranged, the inner portion of the circular groove is divided into two equal cavities in a bisecting mode, quantitative discharging is conducted conveniently, the gear assembly 34 is connected with one end of the rotating rod 31, and the positioning assembly 35 is arranged on one side of the catalyst adding hopper 2.

The gear assembly 34 includes a first gear 341 and a second gear 342, the first gear 341 is fixedly inserted and connected with the rotating rod 31, the second gear 342 is rotatably connected with the catalyst adding hopper 2 through a rotating shaft, the first gear 341 is meshed with the second gear 342, the second gear 342 is an incomplete gear, only has general teeth, and when the second gear 342 rotates for one circle, the first gear 341 can only rotate for half circle, namely 180 degrees, so that the internal rotary drum 32 is driven to rotate for 180 degrees, and the blanking operation is completed.

The positioning assembly 35 comprises a positioning rod 351, a clamping block 352, a fixing plate 353 and a compression spring 354, wherein the fixing plate 353 is fixedly connected to one side of the catalyst adding hopper 2, the positioning rod 351 is connected with the fixing plate 353 in a sliding penetrating manner, the clamping block 352 is fixedly connected to one end of the positioning rod 351, the clamping block 352 is matched with the second gear 342, and the compression spring 354 is sleeved outside the positioning rod 351.

One side of the second gear 342 is provided with a clamping groove, a clamping block 352 is connected with the inner cavity of the clamping groove in a sliding and penetrating mode, and clamping is conducted through the clamping block 352 and the clamping groove, so that the second gear 342 is positioned, the first gear 341 is positioned, and rotation of the inner rotary drum 32 is prevented.

One end of compression spring 354 and joint piece 352 fixed connection, the other end and the fixed plate 353 fixed connection of compression spring 354, compression spring 354 is in compression state all the time to make compression spring 354 have an elastic acting force to joint piece 352 all the time, thereby make joint piece 352 more fastening with the joint groove joint that second gear 342 offered.

One side of the catalyst adding hopper 2 is fixedly connected with a protective shell 4, and a positioning rod 351 is connected with one side of the protective shell 4 in a sliding and penetrating manner, and the protective shell 4 plays a role in protecting the gear assembly 34 and the positioning assembly 35, so that the service lives of the gear assembly 34 and the positioning assembly 35 are prolonged.

One side of the second gear 342 is fixedly connected with a rotating handle 5, one side of the protective shell 4 is provided with a through groove, the rotating handle 5 is connected with an inner cavity of the through groove in a rotating and penetrating way, the second gear 342 can be driven to rotate through the rotating handle 5, and the through groove is arranged so that the rotating handle 5 cannot interfere with the protective shell 4 during rotation.

The working principle of the utility model is as follows:

when the catalyst is required to be added into the reaction kettle 1, the catalyst is poured into the catalyst adding hopper 2, the cavity at the upper half part of the circular groove is filled with the catalyst, at the moment, the positioning rod 351 drives the clamping block 352 to move by pulling the positioning rod 351, so that the clamping block 352 is separated from the clamping groove, the compression spring 354 is extruded, at the moment, the second gear 342 can be rotated by the rotating handle 5 to be adjusted by one circle, the second gear 342 drives the first gear 341 to rotate 180 degrees, the first gear 341 drives the rotating rod 31 to rotate, the rotating drum 32 is rotated, the cavity filled with the catalyst is rotated to the bottom, the catalyst directly falls into the interior of the reaction kettle 1, the top of the circular groove is filled again by the other cavity, and the next discharging is waited, at the moment, the positioning rod 351 can be loosened, the clamping block 352 can be rebounded under the elastic force of the compression spring 354, the inside of the clamping groove formed by the second gear 342 is rotated again, and the rotating drum 32 inside the whole circle is fixed, and the catalyst is waited to be added next time.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A polyether polyol catalyst adder comprising:

a catalyst adding hopper (2) is arranged at the top end of the reaction kettle (1);

the method is characterized in that: a quantitative adding mechanism (3) is arranged in the catalyst adding hopper (2);

the quantitative adding mechanism (3) comprises a rotating rod (31), a rotating drum (32), a partition plate (33), a gear assembly (34) and a positioning assembly (35), wherein a circular groove is formed in the catalyst adding hopper (2), the rotating drum (32) is located in the circular groove, the rotating rod (31) is fixedly inserted and connected with the rotating drum (32), the rotating rod (31) is rotatably inserted and connected with the inner wall of the circular groove, the two partition plates (33) are fixedly connected to the two sides of the rotating drum (32) respectively, the gear assembly (34) is connected with one end of the rotating rod (31), and the positioning assembly (35) is arranged on one side of the catalyst adding hopper (2).

2. The polyether polyol catalyst adding machine according to claim 1, wherein the gear assembly (34) comprises a first gear (341) and a second gear (342), the first gear (341) is fixedly connected with the rotating rod (31) in a penetrating manner, the second gear (342) is rotatably connected with the catalyst adding hopper (2) through a rotating shaft, and the first gear (341) is meshed with the second gear (342).

3. The polyether polyol catalyst adding machine according to claim 1, wherein the positioning assembly (35) comprises a positioning rod (351), a clamping block (352), a fixing plate (353) and a compression spring (354), the fixing plate (353) is fixedly connected to one side of the catalyst adding hopper (2), the positioning rod (351) is slidably inserted into the fixing plate (353), the clamping block (352) is fixedly connected to one end of the positioning rod (351), the clamping block (352) is matched with the second gear (342), and the compression spring (354) is sleeved outside the positioning rod (351).

4. A polyether polyol catalyst adding machine according to claim 3, wherein a clamping groove is formed in one side of the second gear (342), and the clamping block (352) is connected with an inner cavity of the clamping groove in a sliding and penetrating manner.

5. A polyether polyol catalyst adder according to claim 3, wherein one end of the compression spring (354) is fixedly connected with the clamping block (352), and the other end of the compression spring (354) is fixedly connected with the fixing plate (353).

6. A polyether polyol catalyst adding machine according to claim 3, wherein a protecting shell (4) is fixedly connected to one side of the catalyst adding hopper (2), and the positioning rod (351) is connected with one side of the protecting shell (4) in a sliding penetrating manner.

7. The polyether polyol catalyst adding machine according to claim 6, wherein a rotating handle (5) is fixedly connected to one side of the second gear (342), a through groove is formed in one side of the protective shell (4), and the rotating handle (5) is connected with an inner cavity of the through groove in a rotating and penetrating mode.