CN110773094A - Reaction kettle stirrer suitable for reaction of viscous substances - Google Patents

Abstract

The invention discloses a reactor agitator suitable for the reaction of viscous substances. , a temperature measuring device fixed on the outer wall of the reactor body and one end extending into the inside of the reactor body, a transmission device fixed on the reactor body, an anchor paddle fixed on the transmission device and located in the inner cavity of the reactor body and The control device used to control the transmission device, the anchor paddle is a sheet-like structure that matches the inner wall of the reactor body, and the outer edge of the anchor paddle is fixed with a sticker for attaching the adhesive on the inner wall of the reactor body. Multiple pieces of silicone scraped off of sexual substances. The invention has the advantages of simple structure, easy operation, uniform stirring, no wall hanging phenomenon, favorable heat transfer and maintenance of aeration conditions, and is suitable for all reactor agitators.

Description

Reactor Stirrers for Viscous Reactions

technical field

The invention belongs to the field of organic synthetic material processing, and relates to a reaction kettle agitator, in particular to a reaction kettle agitator suitable for the reaction of viscous substances.

Background technique

At present, the compost degradation equipment tested in accordance with GB/T 19277.1-208 "Determination of the final aerobic biodegradability of materials under controlled composting conditions adopts the method for the determination of released carbon dioxide Part 1: General method", usually large water baths or clamps are used. The composting mixture is heated in a way to keep the degradation temperature at (58±2) °C. Due to the high reaction temperature, the humidity of the compost mixture is about 50%, which is easy to agglomerate, which is not conducive to maintaining aeration conditions.

In the prior art, manual stirring or propelling stirring paddles are usually used to stir the compost degradation reactor. Manual stirring needs to open the reactor, which affects the airflow in the reactor, and the peculiar smell is large when the lid is opened, and the operation is cumbersome. The propelling paddle is often difficult to stir up the agglomerated reactants, and the material hanging on the wall is serious. When the viscosity is large, the shearing force of the propelling paddle is not enough, and there will be a phenomenon that it cannot rotate, which is not conducive to heat transfer. and maintain aeration conditions.

The patent number is: ZL201810748427.8, and the patent document titled: "a stainless steel reaction kettle" discloses a reaction kettle, and its anchor stirrer is in the shape of a stick. Its shortcomings are: the anchor stirrer and the reactant The contact area of the reactor is small, and it can only stir the reactants in the circumferential direction of the rotation of the anchor stirrer, and when the reactants are attached to the inner wall of the reactor, it is necessary to open the upper head of the reactor and clean it manually, which is troublesome to clean. And caused a waste of raw materials.

SUMMARY OF THE INVENTION

In order to solve the above deficiencies in the prior art, the present invention aims to provide a reactor agitator suitable for the reaction of viscous substances, so as to achieve the purpose of uniform stirring without wall hanging on the inner wall of the reactor.

In order to achieve the above purpose, the technical scheme adopted in the present invention is as follows: a reactor agitator suitable for the reaction of viscous substances, comprising a reactor body provided with a feed port and a discharge port, fixed on the outer wall of the reactor body A jacket for injecting heating liquid for heating, a temperature measuring device fixed on the outer wall of the reactor body and one end extending into the inside of the reactor body, a transmission device fixed on the reactor body, fixed on the transmission device and located in the An anchor paddle in the inner cavity of the reactor body and a control device for controlling the transmission device, the anchor paddle is a sheet-like structure that matches the inner wall of the reactor body, and the outer edge of the anchor paddle is fixed on the outer edge. There are multiple silica gel sheets for scraping off the sticky substances on the inner wall of the reactor body.

As a limitation of the present invention: the anchor paddle is U-shaped.

As a further limitation of the present invention, the silica gel sheets are evenly spaced, and the end not connected to the anchor paddle is in contact with the inner wall of the reactor body.

As a further limitation of the present invention: the transmission device includes a base fixed on the outer wall of the reactor body, a reducer fixed on the base, a motor connected to the input end of the reducer, and an output end of the reducer The connected rotating shaft, the anchor blade is fixed on the end of the rotating shaft that is not connected to the reducer.

As a further limitation of the present invention: the reactor body is provided with a manhole, and the manhole is provided with a sealing cover.

As a limitation of the present invention, the feed port is provided at the upper part of the reactor body, and the discharge port is provided at the bottom of the reactor body.

As another limitation of the present invention: the reactor body is provided with a frame.

Owing to adopting the above-mentioned technical scheme, compared with the prior art, the present invention has the following beneficial effects:

(1) The anchor paddle of the present invention is provided with a silica gel sheet. The silica gel sheet helps to scrape off the reactants on the inner wall of the reactor, and at the same time, the gap with the inner wall of the reactor is small, which ensures that the materials in the reactor can be obtained. Sufficient stirring improves the stirring efficiency and quality. The silica gel sheet is made of silica gel and has good elasticity. It will not damage the inner wall of the reactor due to long-term stirring, so that the anchor paddle rotates smoothly, with low noise, convenient manufacturing and maintenance, and low cost. Low;

(2) The anchor blade of the present invention has a U-shaped sheet structure, which increases the contact area with the reaction material, which is conducive to heat transfer and maintaining aeration conditions, and the U-shaped structure makes it better with the reactor body. The inner wall is attached to make the stirring more uniform;

(3) The silica gel sheets of the present invention are evenly spaced, which not only can scrape off the reactants on the inner wall of the reactor body, but also does not increase the friction between the anchor blade and the inner wall of the reactor body. Equipped with a frame, which can ensure that the reactor body is more stable during the stirring process of the anchor paddle;

(4) The motor of the present invention is connected to the reducer, which can increase the shear force, help the viscous material to disperse, and make the stirring more uniform;

(5) The feed port of the present invention is arranged on the upper part of the reactor body, so that the added material reacts more thoroughly, and the discharge port is arranged at the bottom of the reactor body to ensure that no residual liquid is left after the reaction.

To sum up, the invention has simple structure, easy operation, uniform stirring, no wall hanging phenomenon, favorable heat transfer and maintenance of aeration conditions, and is suitable for all reactor agitators.

Description of drawings

The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a perspective structural schematic diagram of an embodiment of the present invention.

In the picture: 1-Reaction kettle body, 1.1-Cylinder body, 1.2-Upper head, 1.3-Lower head, 2-Transmission device, 21-Rotary shaft, 22-Base, 23-Reducer, 24-Motor, 3 -Anchor paddle, 4-silicone sheet, 5-manhole, 6-sealing cover, 7-frame, 8-jacket, 8.1-liquid inlet, 8.2-liquid outlet, 9-feed inlet, 10 - Discharge port, 11- Temperature measuring device.

Detailed ways

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the reactor agitator suitable for the reaction of viscous substances described here is a preferred embodiment, which is only used to illustrate and explain the present invention, and does not constitute a limitation of the present invention.

Example Reactor agitator suitable for viscous substance reaction

The present embodiment is shown in FIG. 1 , a reactor agitator suitable for the reaction of viscous substances, including a reactor body 1 provided with a feed port 9 and a discharge port 10, and a reactor body 1 fixed on the outer wall of the reactor body 1 for use. The jacket 8 is injected into the heating liquid for heating, the temperature measuring device 11 fixed on the outer wall of the reactor body 1 and one end extending into the inside of the reactor body 1, the transmission device 2 fixed on the reactor body 1, and the transmission device The anchor blade 3 and the control device for controlling the transmission device 2 are located on the device 2 and located in the reactor body 1. The reactor body 1 includes a cylinder, and an upper The head 1.2, the lower head 1.3 fixed at the lower end of the cylinder (the lower end of Figure 1), the circumferential arc of the lower head 1.3 transitions, so that the bottom of the reactor body 1 (the bottom of Figure 1) is relatively low, which is beneficial to The reactant flows out from the discharge port 10 to prevent it from remaining in the reactor body 1; the feed port 9 is set on the upper head 1.2 of the reactor body 1, and the discharge port 10 is set under the reactor body 1 The bottom of the head 1.3; the upper head 1.2 is provided with a manhole 5 for people to observe the reaction state, and the manhole 5 is provided with a sealing cover 6; The main body 1 is firmly fixed to the frame 7; the jacket 8 adopts the prior art, and the jacket 8 is provided with a liquid inlet 8.1 and a liquid outlet 8.2, and the liquid inlet 8.1 is provided at the lower left of the jacket (lower left in Figure 1 ), the liquid outlet 8.2 is located at the upper right of the jacket 8 (upper right in Figure 1 ); the temperature measurement device 11 adopts the temperature measurement tube in the prior art, and the temperature measurement tube The upper end of the temperature measuring tube is fixed on the upper sealing head 1.2 of the reactor body 1, and the other end of the temperature measuring tube extends into the inner cavity of the reactor body 1 for measuring the temperature of the reaction process.

The transmission device 2 includes a base 22 fixed on the outer wall of the reactor body 1, a motor 24 connected with the input end of the reducer 23, and a rotating shaft 21 connected with the output end of the reducer 23. The rotating shaft 21 passes through the reaction vessel. The position of the kettle body 1 is provided with a shaft sealing device. The shaft sealing device adopts the prior art to prevent the loss of temperature or airflow in the reactor body 1; the control device controls the movement of the transmission device 2, that is, controls the motor 24 to rotate forward and reverse , so that the material in the reactor body 1 reacts sufficiently, which helps the viscous substances to disperse and does not cause agglomeration.

An anchor paddle 3 is fixed at one end of the rotating shaft 21 that is not connected to the reducer 23 . The anchor paddle 3 is a sheet-like structure that matches the inner wall of the reactor body 1 , and the anchor paddle 3 is U-shaped. type. A plurality of silica gel sheets 4 for scraping off the viscous substances on the inner wall of the reactor body 1 are fixed on the outer edge of the anchor paddle 3, and the silica gel sheets 4 are detachably arranged on the anchor paddle through bolts. On the blade 3 , the silica gel sheets 4 are evenly spaced along the outer edge of the anchor paddle 3 , and the end of the silica gel sheet 4 not connected to the anchor paddle 3 is in contact with the inner wall of the reactor body 1 .

When using this embodiment, the material is put into the reactor body 1, adjusted to suitable reaction conditions, and the transmission device 2 is started at the same time, so that the anchor paddle 3 rotates with the rotating shaft 21, and the silica gel sheet on the anchor paddle 3 rotates. 4. Contact with the inner wall of the reactor body 1, and scrape off the reactant sticking to the inner wall of the reactor.

Claims (7)

1. A reactor agitator suitable for the reaction of viscous substances, comprising a reactor body provided with a feed port and a discharge port, a jacket fixed on the outer wall of the reactor body for injecting heating liquid for heating, a solid A temperature measuring device arranged on the outer wall of the reactor body and one end extending into the inside of the reactor body, a transmission device fixed on the reactor body, an anchor paddle fixed on the transmission device and located in the inner cavity of the reactor body, and a The control device for controlling the transmission device is characterized in that: the anchor-type paddle is a sheet-like structure that matches the inner wall of the reactor body, and the outer edge of the anchor-type paddle is fixed on the inner wall of the reactor body. The sticky substance scraped off multiple silicone sheets. 2. The reactor agitator suitable for the reaction of viscous substances according to claim 1, characterized in that: the anchor paddle is U-shaped. 3 . The reactor agitator suitable for the reaction of viscous substances according to claim 2 , wherein the silica gel sheets are evenly spaced, and the end not connected to the anchor paddle is in contact with the inner wall of the reactor body. 4 . 4. The reactor agitator suitable for the reaction of viscous substances according to any one of claims 1-3, characterized in that: the transmission device comprises a base fixed on the outer wall of the reactor body, fixed on the The speed reducer on the base, the motor connected with the input end of the speed reducer, and the rotating shaft connected with the output end of the speed reducer, the anchor blade is fixed on the end of the rotating shaft that is not connected to the speed reducer. 5 . The reactor agitator suitable for the reaction of viscous substances according to claim 4 , wherein the reactor body is provided with a manhole, and the manhole is provided with a sealing cover. 6 . 6 . The reactor agitator suitable for the reaction of viscous substances according to claim 5 , wherein the feed port is arranged on the upper part of the reactor body, and the discharge port is arranged on the bottom of the reactor body. 7 . 7. The reactor agitator suitable for the reaction of viscous substances according to any one of claims 1-3, 5 and 6, wherein the reactor body is provided with a frame.

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