CN219036298U

CN219036298U - Steam pipeline pressure regulating device

Info

Publication number: CN219036298U
Application number: CN202222836469.1U
Authority: CN
Inventors: 高鹏; 孔凡宝; 胡志超
Original assignee: Zibo Technician College Zibo Culture And Tourism School
Current assignee: Zibo Technician College Zibo Culture And Tourism School
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-05-16
Anticipated expiration: 2032-10-27

Abstract

The utility model relates to the technical field of chemical production equipment, and discloses a steam pipeline pressure regulating device, which comprises: the automatic pressure regulating device comprises a steam pipeline and a self-operated pressure regulating valve, wherein a manual stop valve is arranged at one end of an air inlet of the steam pipeline, a filter is arranged on one side of the steam pipeline, which is positioned on one side of the filter, and the self-operated pressure regulating valve is arranged on one side of the steam pipeline; the original manual switch valve is changed into an electric regulation ball valve, a PID controller is used for collecting temperature data of a temperature transmitter, and the switch size of the electric regulation ball valve is automatically regulated, so that the flow of steam is controlled, the steam load change requirement during production is met, and the accuracy, speed and stability of steam pressure control are improved.

Description

Steam pipeline pressure regulating device

Technical Field

The utility model relates to the technical field of chemical production equipment, in particular to a steam pipeline pressure regulating device.

Background

Polystyrene-divinylbenzene type copolymer, commonly known as white balls. Is a macromolecular organic compound obtained by suspension copolymerization of styrene and divinylbenzene. It has a special three-dimensional network structure. In a white ball production workshop, one process needs to dry the white balls, and water vapor enters into a reaction kettle of equipment through a pipeline to react with the white balls and dry the white balls.

However, in the drying production process, because the pressure is neglected when the water vapor enters the pipeline, the manual switch valve and the safety valve adopted before are matched, can not be adjusted in time along with the pressure change, and need manual intervention treatment; in addition, the temperature in the reation kettle can change along with the reaction of inside, needs the manual work to pass through temperature display numerical value, and manual regulation steam valve's on-off size adjusts, because in manual regulation in-process, the temperature in the reation kettle can not the first time adjust to reasonable scope on the equipment, leads to product quality to be unstable.

Disclosure of Invention

The utility model aims to provide a steam pipeline pressure regulating device to solve the problems that the steam pressure regulating reaction in the background technology is not rapid enough, and the manual regulation is not accurate enough when the temperature in a kettle is regulated by regulating a steam switch.

In order to achieve the above purpose, the present utility model provides the following technical solutions: steam pipe pressure adjusting device includes: steam pipe and self-operated pressure regulating valve, steam pipe air inlet one end is equipped with manual stop valve, be located manual stop valve one side on the steam pipe and be equipped with the filter, be located filter one side on the steam pipe and be equipped with self-operated pressure regulating valve, be located self-operated pressure regulating valve one side on the steam pipe and be equipped with pressure transmitter, be located pressure transmitter one side on the steam pipe and be equipped with electric control ball valve, be located electric control ball valve one side on the steam pipe and be equipped with temperature transmitter, temperature transmitter electric connection has the PID controller.

Further, the temperature transmitter signal output end is electrically connected with the PID controller signal input end, and the PID controller signal output end is electrically connected with the electric adjusting ball valve signal input end.

Further, the outer wall of the steam pipeline is provided with an insulating layer.

Further, the bottom of the self-operated pressure regulating valve is provided with an air storage tank.

Further, a safety valve is arranged between the self-operated pressure regulating valve and the pressure transmitter.

Further, the pressure transmitter signal output end is electrically connected with the PID controller signal input end.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the arranged steam pipeline, the manual stop valve and the self-operated pressure regulating valve, when the steam pipeline pressure regulating device is used, the self-operated pressure regulating valve is added at the front end of the steam pipeline, and can automatically regulate pressure by taking pressure after the valve, so that the arrangement of a bridge frame and a communication cable is omitted without using control means such as electric control and pneumatic control, and the pipeline pressure can be effectively controlled; the original manual switch valve is changed into an electric control ball valve, a common gauge head temperature sensor is changed into a temperature transmitter, closed-loop control is formed with a PID controller, the PID controller is used for collecting temperature data of the temperature transmitter, and the switch size of the electric control ball valve is automatically adjusted, so that the flow of steam is controlled, the steam load change requirement during production is met, and the accuracy, speed and stability of steam pressure control are improved.

Drawings

FIG. 1 is a schematic view of a valve body connection structure of a steam pipe pressure regulating device according to the present utility model;

FIG. 2 is a schematic diagram of an electronic component connection control system of the steam line pressure regulator of the present utility model.

In the figure: 1-a steam pipe; 2-a manual shut-off valve; 3-a filter; 4-self-operated pressure regulating valve; a 5-pressure transmitter; 6-an electric adjusting ball valve; 7-a temperature transmitter; 8-PID controller.

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.

Referring to fig. 1-2, the present utility model provides a technical solution: steam pipe pressure adjusting device includes: steam conduit 1 and self-operated pressure regulating valve 4, steam conduit 1 air inlet one end is connected with manual stop valve 2 through the screw for steam delivery's opening and close, be located manual stop valve 2 one side on steam conduit 1 and be connected with filter 3 through the screw, be used for the filtration of steam, be located filter 3 one side bolted connection on steam conduit 1 and have self-operated pressure regulating valve 4, be convenient for automatically regulated steam's pressure, guarantee steam pressure's stability, be located self-operated pressure regulating valve 4 one side joint on steam conduit 1 and have pressure transmitter 5, be used for monitoring steam pressure, be located pressure transmitter 5 one side on steam conduit 1 and have electric regulation ball valve 6 through bolted connection, be used for adjusting steam conduit's play vapour size, be convenient for the temperature control in the reation kettle, be located electric regulation ball valve 6 one side on steam conduit 1 and be equipped with temperature transmitter 7, temperature transmitter 7 electric connection has PID controller 8.

The signal output end of the temperature transmitter 7 is electrically connected with the signal input end of the PID controller 8, and the signal output end of the PID controller 8 is electrically connected with the signal input end of the electric regulating ball valve 6.

The steam conduit 1 outer wall is equipped with the heat preservation, and self-operated pressure regulating valve 4 bottom is equipped with the gas holder, plays the effect of buffering steady voltage, is equipped with the relief valve between self-operated pressure regulating valve 4 and the pressure transmitter 5, prevents that the rear end valve from being damaged, prevents to lead to pressure to rise because of the flow is close to being zero behind the valve, breaks out the phenomenon to self-operated air-vent valve.

The signal output end of the pressure transmitter 5 is electrically connected with the signal input end of the PID controller 8.

Working principle: when the steam pipeline pressure regulating device is used, the self-operated pressure regulating valve 4 is added at the front end of the steam pipeline 1, the pressure of the self-operated pressure regulating valve 4 can be automatically regulated by taking the pressure after the valve, and the arrangement of a bridge frame and a communication cable is omitted without using control means such as electric control and pneumatic control, so that the pipeline pressure can be effectively controlled; the original manual switch valve is changed into an electric control ball valve 6, a common gauge head temperature sensor is changed into a temperature transmitter 7, closed loop control is formed with a PID controller 8, the PID controller 8 is used for collecting temperature data of the temperature transmitter 7, and the switch size of the electric control ball valve 6 is automatically adjusted, so that the flow of steam is controlled, the steam load change requirement during production is met, and the accuracy, speed and stability of steam pressure control are improved.

Claims

1. Steam pipe pressure adjusting device includes: steam conduit (1) and self-operated pressure regulating valve (4), its characterized in that: steam pipe (1) air inlet one end is equipped with manual stop valve (2), be located manual stop valve (2) one side on steam pipe (1) and be equipped with filter (3), be located filter (3) one side on steam pipe (1) and be equipped with self-operated pressure regulating valve (4), be located self-operated pressure regulating valve (4) one side on steam pipe (1) and be equipped with pressure transmitter (5), be located pressure transmitter (5) one side on steam pipe (1) and be equipped with electric control ball valve (6), be located electric control ball valve (6) one side on steam pipe (1) and be equipped with temperature transmitter (7), temperature transmitter (7) electric connection has PID controller (8).

2. The steam pipe pressure regulating device of claim 1, wherein: the signal output end of the temperature transmitter (7) is electrically connected with the signal input end of the PID controller (8), and the signal output end of the PID controller (8) is electrically connected with the signal input end of the electric regulating ball valve (6).

3. The steam pipe pressure regulating device of claim 1, wherein: an insulating layer is arranged on the outer wall of the steam pipeline (1).

4. The steam pipe pressure regulating device of claim 1, wherein: the bottom of the self-operated pressure regulating valve (4) is provided with an air storage tank.

5. The steam pipe pressure regulating device of claim 1, wherein: and a safety valve is arranged between the self-operated pressure regulating valve (4) and the pressure transmitter (5).

6. The steam pipe pressure regulating device of claim 1, wherein: the signal output end of the pressure transmitter (5) is electrically connected with the signal input end of the PID controller (8).