CN212902354U

CN212902354U - Efficient drying converter for polyvinyl chloride production

Info

Publication number: CN212902354U
Application number: CN202021199515.6U
Authority: CN
Inventors: 马升博; 孔涛
Original assignee: Chiping Xinfa Polyvinyl Chloride Co ltd
Current assignee: Chiping Xinfa Polyvinyl Chloride Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-04-06
Anticipated expiration: 2030-06-24

Abstract

The utility model provides a high-efficiency drying converter for polyvinyl chloride production, which relates to the field of polyvinyl chloride production equipment and comprises a reaction tower main body, wherein a drying tank body is fixedly bolted at the bottom of an inner cavity of the reaction tower main body, an inner cavity circulating pipe is arranged on the inner wall of the reaction tower main body and is fixedly installed on the inner wall of the reaction tower main body through a clamp, a heptane circulating channel is vertically arranged on one side of the reaction tower main body, the outer side of the heptane circulating channel is a frame, heat-insulating cotton is filled between the frame and the heptane circulating channel, a heptane circulator is fixedly bolted at the top of the heptane circulating channel, a delivery outlet of the heptane circulator is externally connected with a circulating pipeline and a preheating pipeline, and the circulating pipeline and the preheating pipeline are communicated with the inner cavity circulating pipe, when in use, heptane preheating is firstly carried out on the inside of the equipment, and then the reaction is carried out, so that the reaction time of the whole equipment is reduced, and the production efficiency of the whole production line is improved.

Description

Efficient drying converter for polyvinyl chloride production

Technical Field

The utility model relates to a polyvinyl chloride production facility field especially relates to a polyvinyl chloride production is with dry converter of high efficiency.

Background

Present converter carries out the heptane circulation after the catalyst of repacking and leads to nitrogen gas drying, and catalyst drying time is longer influences the change catalyst speed like this, directly dries, does not have the operation of preheating to equipment inside, leads to holistic dry reaction time longer, and the work efficiency of production line is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-efficiency drying converter for polyvinyl chloride production.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a polyvinyl chloride production is with dry converter of high efficiency, includes the reaction tower main part, the inner chamber bottom gim peg of reaction tower main part has connect the dry tank body, the inner wall of reaction tower main part is equipped with the inner chamber circulating pipe, and the inner chamber circulating pipe passes through clamp fixed mounting at the inner wall of reaction tower main part, one side of reaction tower main part is vertical to be equipped with heptane circulation channel, heptane circulation channel's the outside is the frame, and it has the heat preservation cotton to fill between frame and the heptane circulation channel, heptane circulation channel's top is bolted and is fixed with the heptane circulator, the delivery outlet of heptane circulator is external to have circulating line and preheat the pipeline, and circulating line and preheat the pipeline all with the inner chamber circulating pipe between put through mutually.

Preferably, a nitrogen channel is fixedly connected to a side flange of the reaction tower body, a nitrogen host is arranged at the end of the nitrogen channel, a discharging hopper is fixedly bolted at the bottom of the reaction tower body, a discharging filter screen is arranged at the connecting position of the discharging hopper and the reaction tower body, a receiving hopper is arranged at one side, close to the reaction tower body, of the bottom of the heptane circulating channel, the hopper surface of the receiving hopper is matched with the discharging end surface of the discharging hopper, high-hardness ceramic coatings are coated on the surfaces of the discharging hopper and the receiving hopper, when the device is used, dried raw materials are released through the discharging hopper and directly leaked in the receiving hopper, and meanwhile, when the device is released, the processed materials can be preliminarily screened and filtered, so that the operation effect of subsequent steps is improved, and meanwhile, the high-hardness ceramic coatings are coated on the surfaces of the discharging hopper and the receiving hopper, so that the surface of the hopper can be prevented from being damaged during discharging, the overall service life of the equipment is prolonged.

Preferably, the middle parts of the circulating pipeline and the preheating pipeline are both connected with electromagnetic control valves, the electromagnetic control valves adopt normally closed electromagnetic valves, the electromagnetic control valves adopt ultralow temperature electromagnetic valves, the connecting positions of the circulating pipeline and the preheating pipeline in a heptane circulating channel adopt three-way connection, the connecting position of the circulating pipeline and the heptane circulating channel adopts a rotary sealed three-way connector, the length of the preheating pipeline is twice the length of the circulating pipeline, when the device is used, the electromagnetic valves of the preheating pipeline are firstly opened to release and enter heptane in the heptane circulating channel, meanwhile, because the whole length of the preheating pipeline is longer, the circulating temperature of the heptane can be preliminarily reduced, the temperature impact of the initial stage on an inner cavity circulating pipe in the reaction tower main body is reduced, after the circulation is completed, the electromagnetic valves of the preheating pipeline 6 are closed, and the electromagnetic valves of the circulating pipeline, the work is formally started, the temperature impact is reduced, and the service life of the equipment is prolonged.

Advantageous effects

The utility model discloses in, at first carry out the heptane to preheat inside the equipment when using, later react again to reduce the reaction time of whole equipment, improved the production efficiency of whole assembly line.

The utility model discloses in, release the raw materials after the drying through the blowing fill to directly leak among the material receiving hopper, simultaneously in the release, can carry out preliminary screening with the material after handling and filter, improve follow-up step operation effect, the blowing fill has high hard ceramic coating with the surface that connects the hopper all coating simultaneously, can avoid producing the damage to the hopper surface in the blowing, improve equipment's whole life.

The utility model discloses in, open through the solenoid valve that at first will preheat the pipeline, release the heptane among the heptane circulation passageway and get into, simultaneously because preheat the holistic length of pipeline longer, can be preliminary reduce the circulating temperature of heptane, reduce the temperature impact of initial stage to the inside inner chamber circulating pipe of reaction tower main part, after the circulation is accomplished, close the solenoid valve of preheating the pipeline, open the solenoid valve of circulating line, formally begin to work, reduce the temperature impact, improve equipment life

Drawings

FIG. 1 is an overall block diagram of a high efficiency dry converter for polyvinyl chloride production;

FIG. 2 is a front view of an efficient dry converter for polyvinyl chloride production;

FIG. 3 is a view showing the internal structure of a dry converter for polyvinyl chloride production with high efficiency.

Illustration of the drawings:

1. a reaction tower main body; 2. a heptane circulation channel; 3. a receiving hopper; 4. a heptane circulator; 5. a circulation pipe; 6. preheating a pipeline; 7. a discharge hopper; 8. a nitrogen channel; 9. a nitrogen host; 10. an electromagnetic control valve; 11. an inner cavity circulating tube; 12. drying the tank body; 13. and (4) discharging a filter screen.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-3, a high-efficiency drying converter for polyvinyl chloride production comprises a reaction tower main body 1, a drying tank body 12 is fixedly bolted at the bottom of an inner cavity of the reaction tower main body 1, an inner cavity circulating pipe 11 is arranged on the inner wall of the reaction tower main body 1, the inner cavity circulating pipe 11 is fixedly mounted on the inner wall of the reaction tower main body 1 through a hoop, a heptane circulating channel 2 is vertically arranged on one side of the reaction tower main body 1, the outer side of the heptane circulating channel 2 is a frame, heat-insulating cotton is filled between the frame and the heptane circulating channel 2, a heptane circulator 4 is fixedly bolted at the top of the heptane circulating channel 2, a circulating pipeline 5 and a preheating pipeline 6 are externally connected to an output port of the heptane circulator 4, and the circulating pipeline 5 and the preheating pipeline 6 are communicated with the inner.

The utility model discloses a theory of operation: when the device is used, firstly, the electromagnetic valve of the preheating pipeline 6 is opened, heptane in the heptane circulating channel 2 is released and enters, meanwhile, because the whole length of the preheating pipeline 6 is long, the heptane circulating temperature can be preliminarily reduced, the temperature impact of the initial stage on the inner cavity circulating pipe 11 in the reaction tower main body 1 is reduced, after the circulation is completed, the electromagnetic valve of the preheating pipeline 6 is closed, the preheating and cooling of the inner cavity of the reaction tower main body 1 are realized, the electromagnetic valve of the circulating pipeline 5 is opened, the formal work is started, then the catalyst is installed again, nitrogen is introduced into the drying tank body 12 through the nitrogen main machine 9, the drying step is carried out, firstly, heptane preheating is carried out in the device when the device is used, and then the reaction is carried out, so that the reaction time of the whole device is reduced, and the production.

In another embodiment, a nitrogen channel 8 is fixedly connected to a side flange of the reaction tower main body 1, a nitrogen host 9 is arranged at the end of the nitrogen channel 8, a discharge hopper 7 is bolted and fixed at the bottom of the reaction tower main body 1, a discharge filter screen 13 is arranged at the connecting position of the discharge hopper 7 and the reaction tower main body 1, a receiving hopper 3 is arranged at one side of the bottom of the heptane circulating channel 2 close to the reaction tower main body 1, the hopper surface of the receiving hopper 3 is matched with the discharge end surface of the discharge hopper 7, high-hardness ceramic coatings are coated on the surfaces of the discharge hopper 7 and the receiving hopper 3, when in use, dried raw materials are released through the discharge hopper 7 and directly leaked in the receiving hopper 3, and when in release, the treated materials can be primarily screened and filtered, the operation effect of the subsequent step is improved, and high-hardness ceramic coatings are coated on the surfaces of the discharge hopper 7 and the receiving hopper 3, can avoid producing the damage to the hopper surface in the blowing, improve equipment's whole life.

In another embodiment, the middle parts of the circulating pipeline 5 and the preheating pipeline 6 are both connected with an electromagnetic control valve 10, the electromagnetic control valve 10 adopts a normally closed electromagnetic valve, the electromagnetic control valve 10 adopts an ultralow temperature electromagnetic valve, the circulating pipeline 5 and the preheating pipeline 6 adopt a three-way connection at the connection position of the heptane circulating channel 2, the connection position of the heptane circulating channel 2 adopts a rotary sealed three-way interface, and the length of the preheating pipeline 6 is twice of the length of the circulating pipeline 5, when in use, the electromagnetic valve of the preheating pipeline 6 is firstly opened to release heptane in the heptane circulating channel 2, meanwhile, because the whole length of the preheating pipeline 6 is longer, the circulating temperature of the heptane can be preliminarily reduced, the initial temperature impact on the inner cavity circulating pipe 11 in the reaction tower body 1 can be reduced, and after the circulation is completed, the electromagnetic valve of the preheating pipeline 6 is closed, and opening the electromagnetic valve of the circulating pipeline 5 to formally start working, reducing temperature impact and prolonging the service life of the equipment.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a polyvinyl chloride production is with dry converter of efficient, includes reaction tower main part (1), its characterized in that: the inner chamber bottom gim peg of reaction tower main part (1) has connect dry tank body (12), the inner wall of reaction tower main part (1) is equipped with inner chamber circulating pipe (11), and inner chamber circulating pipe (11) pass through clamp fixed mounting at the inner wall of reaction tower main part (1), one side of reaction tower main part (1) is vertical to be equipped with heptane circulation passageway (2), the top bolt of heptane circulation passageway (2) is fixed with heptane circulator (4), the delivery outlet of heptane circulator (4) is external to have circulating line (5) and preheating pipe (6), and circulating line (5) and preheating pipe (6) all with the inner chamber circulating pipe (11) between put through mutually.

2. The efficient dry converter for polyvinyl chloride production according to claim 1, wherein: side flange fixedly connected with nitrogen gas passageway (8) of reaction tower main part (1), the tip of nitrogen gas passageway (8) is equipped with nitrogen gas host computer (9), the bottom bolt joint of reaction tower main part (1) is fixed with blowing fill (7), the hookup location of blowing fill (7) and reaction tower main part (1) is equipped with unloading filter screen (13), one side that the bottom of heptane circulation channel (2) is close to reaction tower main part (1) is equipped with and connects hopper (3), and connects the discharge end face of the fill face of hopper (3) and blowing fill (7) to mutually support.

3. The efficient dry converter for polyvinyl chloride production according to claim 1, wherein: the middle parts of the circulating pipeline (5) and the preheating pipeline (6) are both connected with an electromagnetic control valve (10), the electromagnetic control valve (10) is a normally closed electromagnetic valve, and the electromagnetic control valve (10) is an ultralow-temperature electromagnetic valve.

4. The efficient dry converter for polyvinyl chloride production according to claim 1, wherein: the circulating pipeline (5) and the preheating pipeline (6) are connected in a three-way mode at the connecting position of the heptane circulating channel (2), the connecting position of the circulating pipeline (5) and the heptane circulating channel (2) is provided with a rotary sealed three-way connector, and the length of the preheating pipeline (6) is twice of that of the circulating pipeline (5).

5. The efficient dry converter for polyvinyl chloride production according to claim 1, wherein: the outer side of the heptane circulating channel (2) is a frame, and heat-insulating cotton is filled between the frame and the heptane circulating channel (2).

6. The efficient dry converter for polyvinyl chloride production according to claim 2, wherein: the surfaces of the discharge hopper (7) and the receiving hopper (3) are coated with high-hardness ceramic coatings.