CN219424346U - Dustless feeding system for double-cone rotary vacuum reactor - Google Patents

Abstract

The utility model discloses a dust-free feeding system for a double-cone rotary vacuum reactor, which comprises a feeding cylinder, a vibrating screen, a horizontal mixing tank, an electronic weighing scale, a to-be-fed bin and a negative pressure suction pipe which are sequentially arranged, wherein the feeding cylinder is arranged on a feeding port at the top of the vibrating screen, the top end and the bottom end of the feeding cylinder are both opened, and two sealing plates which are oppositely and slidably arranged are arranged at the top end of the feeding cylinder; the negative pressure dust removal pipe is installed to the top of feed cylinder, and the negative pressure dust removal pipe includes the cyclic annular body, has the clearance of breathing in that runs through the setting on the pipe wall of cyclic annular body inner circle, and the clearance outside of breathing in has two guide plates that set up from top to bottom, forms a diverging form water conservancy diversion chamber between upper and lower guide plate. The dust-free feeding system for the double-cone rotary vacuum reactor provided by the utility model ensures that dust and flying dust are not generated in the feeding process of the double-cone rotary vacuum reactor on the premise of continuous production technology, is easy for continuous production in a workshop, and simultaneously ensures that the production environment is well maintained.

Description

Dustless feeding system for double-cone rotary vacuum reactor

Technical Field

The utility model relates to a dust-free feeding system for a double-cone rotary vacuum reactor, and belongs to the technical field of chlorosulfonated polyethylene production.

Background

The chlorosulfonated polyethylene is prepared by gas-solid phase reaction, and the process flow is as follows: adding chlorinated polyethylene powder, an initiator and an anti-caking agent into a double-cone rotary vacuum reactor, starting stirring, vacuumizing the reactor, then filling hot nitrogen, then discharging pressure, repeatedly introducing a chlorine and sulfur dioxide mixed gas into the reactor for a plurality of times, and making the mixed gas go deep into the chlorinated polyethylene under a certain pressure to react so that chlorosulfonyl groups are uniformly distributed in the product to obtain chlorosulfonated polyethylene with proper basic indexes and performance indexes.

The current chlorosulfonated polyethylene production and feeding mode is as follows: and erecting a crane above the reactor, closing a vacuum valve of the reactor, opening a vent valve, opening a manhole cover when the inside of the reactor is at normal pressure, throwing chlorinated polyethylene powder, an initiator and an anti-adhesion agent into the bipyramid rotary vacuum reactor in a ton bag bearing mode by using the crane, and after the material throwing is finished, covering the manhole cover and screwing up screws.

In the feeding process, raw materials such as the anti-adhesion agent and the like are easily scattered into the air of a working place in the form of dust. Dust is attached to instruments and meters, so that the accuracy of the equipment can be reduced, and the dust is attached to the transmission and operation parts of machine equipment, so that the abrasion is strong, and the service life is shortened; the sight of people is affected in the production process, and the working efficiency is reduced. Meanwhile, secondary dust is easy to generate in the cleaning process, and serious atmospheric pollution is formed.

In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.

Disclosure of Invention

Aiming at the defects in the background technology, the utility model provides a dust-free feeding system for a double-cone rotary vacuum reactor, which ensures that the feeding process of the double-cone rotary vacuum reactor has no dust and dust on the premise of continuous production technology, is easy for continuous production in a workshop and simultaneously ensures that the production environment is well maintained.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the dust-free feeding system for the double-cone rotary vacuum reactor comprises a feeding cylinder, a vibrating screen, a horizontal mixing tank, an electronic metering scale, a to-be-fed bin and a negative pressure suction pipe which are sequentially arranged;

the feeding cylinder is arranged on a feeding port at the top of the vibrating screen, and the top end and the bottom end of the feeding cylinder are both opened; two sealing plates which are arranged in opposite sliding way are arranged at the top end of the feeding cylinder; the negative pressure dust removal pipe is installed to the top of feed cylinder, and the negative pressure dust removal pipe includes the cyclic annular body, has the clearance of breathing in that runs through the setting on the pipe wall of cyclic annular body inner circle, and the clearance outside of breathing in has two guide plates that set up from top to bottom, forms a diverging form water conservancy diversion chamber between upper and lower guide plate.

Preferably, the sealing plates are respectively connected with the heads of the cylinders, the cylinders provide power for the opposite sliding of the sealing plates, and the number of the cylinders is at least two.

Preferably, the cylinder is supported and installed through a bracket at the bottom, and the bracket is fixedly connected to the outer cylinder wall of the feeding cylinder.

Preferably, the guide plate is fixedly connected with the annular tube body.

Preferably, a joint communicated with the inner cavity of the annular tube body is arranged above the annular tube body and connected with the negative pressure dust removing device.

Preferably, the vibrating screen is arranged on the horizontal mixing tank, and a raw material outlet of the vibrating screen is connected with an inlet of the horizontal mixing tank.

Preferably, an electronic metering scale is arranged between the outlet of the horizontal mixing tank and the inlet of the bin to be thrown.

Preferably, an auxiliary agent adding window is arranged on the warehouse to be thrown.

Preferably, the outlet of the to-be-thrown bin is connected with the double-cone rotary vacuum reactor through a negative pressure suction pipe.

After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:

when the ton bags are unpacked and discharged, the sealing plates are closed in opposite directions to reduce the overflow of dust, the overflowed dust can be fully absorbed through the negative pressure dust removing device, the raw materials in the ton bags are subjected to impurity removal, uniformity and weighing and then are placed in a to-be-thrown bin, when the double-cone rotary vacuum reactor needs to throw materials, the double-cone rotary vacuum reactor is connected with a discharge bottom opening of the to-be-thrown bin in a butt joint mode in a negative pressure state, quantitative reaction raw materials, auxiliary agents and anti-sticking agents are sucked at the same time, and no dust is generated in the process;

the feeding mode of the utility model successfully avoids the feeding operation of generating dust before each batch of reaction, is easy for continuous production in workshops, can effectively solve the problems of dust and dust raising in the production process, simultaneously radically eliminates secondary dust raising and is beneficial to the prevention of occupational disease harm.

The utility model will now be described in detail with reference to the drawings and examples.

Drawings

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

FIG. 2 is a cross-sectional view of the structure at M in FIG. 1;

FIG. 3 is a structural cross-sectional view of a negative pressure dust removing pipe;

in the figure, a 1-feeding cylinder, a 2-ton bag, a 3-row crane, a 4-vibrating screen, a 5-horizontal mixing tank, a 6-electronic weighing scale, a 7-to-be-thrown bin, an 8-auxiliary agent adding window, a 9-negative pressure suction pipe, a 10-sealing plate, a 11-cylinder, a 12-bracket, a 13-negative pressure dust removing pipe, a 131-annular pipe body, a 132-suction gap, a 133-guide plate and a 134-joint.

Detailed Description

For a clearer understanding of technical features, objects, and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings.

As shown in fig. 1-3 together, the utility model provides a dust-free feeding system for a double-cone rotary vacuum reactor, which comprises a feeding cylinder 1, a vibrating screen 4, a horizontal mixing tank 5, an electronic weighing scale 6, a to-be-fed bin 7 and a negative pressure suction pipe 9 which are sequentially arranged.

The feed cylinder 1 is installed on the feed inlet at shale shaker 4 top, and the top and the bottom of feed cylinder 1 all open the setting. The ton bag 2 for containing raw materials can be lifted into the feeding cylinder 1 under the action of the crane 3, and the ton bag 2 completes unpacking and unloading actions (unpacking structures for unpacking are not shown in the figure and belong to the existing structures) in the feeding cylinder 1.

Two sealing plates 10 which are arranged in a sliding way in opposite directions are arranged at the top end of the feeding cylinder 1, the sealing plates 10 are respectively connected with the heads of air cylinders 11, the air cylinders 11 provide power for the opposite sliding of the sealing plates 10, the number of the air cylinders 11 is at least two, the air cylinders 11 are supported and arranged through brackets 12 at the bottom, and the brackets 12 are fixedly connected to the outer cylinder wall of the feeding cylinder 1. When the ton bag 2 is discharged in the feeding cylinder 1, the sealing plates 10 are in a state of being closed in opposite directions so as to reduce the overflow of dust.

The negative pressure dust removal pipe 13 is installed to the top of feed cylinder 1, and negative pressure dust removal pipe 13 includes cyclic annular body 131, has on the pipe wall of cyclic annular body 131 inner circle and runs through the clearance 132 that inhales that sets up, and the clearance 132 outside of inhaling has two guide plates 133 that set up from top to bottom, forms a guide cavity of gradually expanding the form between the upper and lower guide plates 133, and the dust of excessive can be followed the guide cavity, is inhaled cyclic annular body 131 in clearance 132 department of inhaling.

The deflector 133 is fixedly connected with the annular tube 131.

A connector 134 communicated with the inner cavity of the annular tube body 131 is arranged above the annular tube body 131, the connector 134 is connected with a negative pressure dust removing device, and the negative pressure dust removing device enables negative pressure to be formed in the annular tube body 131 and sucks overflowed dust into the annular tube body.

The vibrating screen 4 is arranged on the horizontal mixing tank 5, a raw material outlet of the vibrating screen 4 is connected with an inlet of the horizontal mixing tank 5, and the vibrating screen 4 is used for removing impurities possibly existing in raw materials.

An electronic metering scale 6 is arranged between the outlet of the horizontal mixing tank 5 and the inlet of the to-be-thrown bin 7.

An auxiliary agent adding window 8 is arranged on the to-be-thrown bin 7, and an outlet of the to-be-thrown bin 7 is connected with the double-cone rotary vacuum reactor through a negative pressure suction pipe 9.

The specific working principle of the utility model is as follows:

the ton bag 2 for bearing raw materials is lifted into the feeding cylinder 1 under the action of the row crane 3 to unpack and discharge, meanwhile, the cylinder 11 drives the sealing plate 10 to be closed in opposite directions, the negative pressure dust removing device enables negative pressure to be formed in the annular pipe body 131, the sealing plate 10 is closed in opposite directions to reduce overflow of dust in the discharging process, and the overflowed dust can be fully absorbed through the negative pressure dust removing device; the raw materials in the ton bag 2 firstly enter a vibrating screen 4 for removing impurities possibly existing in the raw materials, then are put into a horizontal mixing tank 5, after different batches of qualified raw materials are uniformly mixed in the horizontal mixing tank 5, the raw materials are weighed by an electronic metering scale 6 according to the feeding standard of technological instruction parameters and placed in a to-be-fed bin 7, and meanwhile, an auxiliary agent is added into the to-be-fed bin 7 from an auxiliary agent adding window 8 according to the requirements of technological instructions. When the double-cone rotary vacuum reactor needs to be fed, the double-cone rotary vacuum reactor is connected with the discharge bottom opening of the to-be-fed bin 7 in a negative pressure state, and quantitative reaction raw materials, auxiliary agents and anti-sticking agents are sucked simultaneously, so that no dust is generated in the process.

The foregoing is illustrative of the best mode of carrying out the utility model, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the utility model is defined by the claims, and any equivalent transformation based on the technical teaching of the utility model is also within the protection scope of the utility model.

Claims (9)

1. The utility model provides a bipyramid gyration vacuum is dustless feeding system for reactor which characterized in that: comprises a feeding cylinder (1), a vibrating screen (4), a horizontal mixing tank (5), an electronic weighing scale (6), a to-be-thrown bin (7) and a negative pressure suction pipe (9) which are sequentially arranged;

the feeding cylinder (1) is installed on the feed inlet at shale shaker (4) top, the top and the bottom of feeding cylinder (1) all open the setting, two closing plates (10) that slide in opposite directions and set up are installed on the top of feeding cylinder (1), negative pressure dust removal pipe (13) are installed to the top of feeding cylinder (1), negative pressure dust removal pipe (13) are including cyclic annular body (131), have on the pipe wall of cyclic annular body (131) inner circle and run through the gap (132) of breathing in that sets up, two guide plates (133) that set up from top to bottom are outside in the gap (132) of breathing in, form a guide cavity of gradually expanding the form between upper and lower guide plates (133).

2. The dust-free feeding system for a double-cone rotary vacuum reactor according to claim 1, wherein: the sealing plates (10) are respectively connected with the heads of the air cylinders (11), the air cylinders (11) provide power for the opposite sliding of the sealing plates (10), and the number of the air cylinders (11) is at least two.

3. The dust-free feeding system for a double-cone rotary vacuum reactor according to claim 2, wherein: the cylinder (11) is supported and installed through a bracket (12) at the bottom, and the bracket (12) is fixedly connected to the outer cylinder wall of the feeding cylinder (1).

4. The dust-free feeding system for a double-cone rotary vacuum reactor according to claim 1, wherein: the guide plate (133) is fixedly connected with the annular tube body (131).

5. The dust-free feeding system for a double-cone rotary vacuum reactor according to claim 1, wherein: a joint (134) communicated with the inner cavity of the annular tube body (131) is arranged above the annular tube body, and the joint (134) is connected with a negative pressure dust removing device.

6. The dust-free feeding system for a double-cone rotary vacuum reactor according to claim 1, wherein: the vibrating screen (4) is arranged on the horizontal mixing tank (5), and a raw material outlet of the vibrating screen (4) is connected with an inlet of the horizontal mixing tank (5).

7. The dust-free feeding system for a double-cone rotary vacuum reactor according to claim 1, wherein: an electronic metering scale (6) is arranged between the outlet of the horizontal mixing tank (5) and the inlet of the to-be-thrown bin (7).

8. The dust-free feeding system for a double-cone rotary vacuum reactor according to claim 1, wherein: an auxiliary agent adding window (8) is arranged on the to-be-thrown bin (7).

9. The dust-free feeding system for a double-cone rotary vacuum reactor according to claim 8, wherein: the outlet of the to-be-thrown bin (7) is connected with the double-cone rotary vacuum reactor through a negative pressure suction pipe (9).