CN215489110U

CN215489110U - Steam pressure stabilizing system of rectification plant

Info

Publication number: CN215489110U
Application number: CN202120862425.9U
Authority: CN
Inventors: 刘永杰; 田云清; 王刚; 孙宜坤; 李涛; 王宏胜
Original assignee: Xinjiang Xingfa Chemical Co ltd
Current assignee: Xinjiang Xingfa Chemical Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2022-01-11
Anticipated expiration: 2031-04-25

Abstract

A steam pressure stabilizing system of a rectification plant comprises a first boiler room, a second boiler room, a finished product tower and a steam buffer tank; the first boiler room is connected with the steam buffer tank through a first steam pipeline, and a first boiler room outlet valve is arranged on the first steam pipeline; the second boiler room is connected with the steam buffer tank through a second steam pipeline, and a second boiler room outlet valve is arranged on the second steam pipeline; the finished product tower is connected with the steam buffer tank through a third steam pipeline, and a finished product tower inlet valve is arranged on the third steam pipeline; still be equipped with first steam bypass and second steam bypass on the steam buffer tank, first steam bypass is connected to pressure regulation jar lateral wall bottom edge, and the second steam bypass is connected to pressure regulation jar top. By adopting the structure, the utility model can effectively solve the problems in the prior art, realize constant steam pressure in the steam pipeline, provide stable steam for a rectification plant, improve the efficiency of the rectification process and ensure the quality of the finished product.

Description

Steam pressure stabilizing system of rectification plant

Technical Field

The utility model relates to the field of chemical production systems, in particular to a steam pressure stabilizing system of a rectification plant.

Background

In the chemical production process, the rectification is usually carried out as the last step of production, so the rectification plant is generally arranged at the tail end of the steam main pipe, and the pressure fluctuation of the steam main pipe is large after the front end uses steam, so that the influence on the efficiency of the rectification process and the product quality is large.

Disclosure of Invention

The utility model aims to provide a steam pressure stabilizing system of a rectification plant, which can effectively solve the problems in the prior art, realize constant steam pressure in a steam pipeline, provide stable steam for the rectification plant, improve the efficiency of a rectification process and ensure the quality of a finished product.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: a steam pressure stabilizing system of a rectification plant comprises a first boiler room, a second boiler room, a finished product tower and a steam buffer tank;

the first boiler room is connected with the steam buffer tank through a first steam pipeline, and a first boiler room outlet valve is arranged on the first steam pipeline;

the second boiler room is connected with the steam buffer tank through a second steam pipeline, and a second boiler room outlet valve is arranged on the second steam pipeline;

the finished product tower is connected with the steam buffer tank through a third steam pipeline, and a finished product tower inlet valve is arranged on the third steam pipeline;

the steam buffer tank is also provided with a first steam bypass and a second steam bypass, the first steam bypass is connected to the bottom edge of the side wall of the pressure regulating tank, the second steam bypass is connected to the top of the pressure regulating tank, and the first steam bypass and the second steam bypass are respectively provided with a first bypass valve and a second bypass valve.

In a preferable scheme, the upper part of the pressure regulating tank is provided with a telescopic section.

In the preferred scheme, pressure regulation jar in the bottom be equipped with the heating rod, heating rod one end is worn to establish and is connected the power cord outside the pressure regulation jar, is equipped with the switch on the power cord.

In a preferable scheme, a liquid level sensor is arranged on the side wall of the pressure regulating tank.

In a preferable scheme, a first pressure sensor is arranged on the steam buffer tank and connected to a controller, and the controller is further connected with a first bypass valve, a second bypass valve, a switch and a liquid level sensor.

In a preferable scheme, a first check valve and a second check valve are further respectively arranged on the first steam bypass and the second steam bypass.

The steam pressure stabilizing system of the rectification plant, which is provided by the utility model, has the following beneficial effects by adopting the structure:

(1) the purpose of automatic steam pressure stabilization can be realized, and the problems of rectification efficiency change and product quality change caused by steam pressure fluctuation are solved;

(2) the pressure can be increased when the steam pressure is insufficient, the pressure can be reduced when the steam pressure is too large, the pressure adjusting tank with the telescopic section is adopted for increasing and reducing the pressure, and the capacity of the pressure adjusting tank can be adjusted in a self-adaptive mode according to the steam pressure in the pressure adjusting tank.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: the system comprises a first boiler room 1, a second boiler room 2, a first steam pipeline 3, a first boiler room outlet valve 4, a second steam pipeline 5, a second boiler room outlet valve 6, a steam buffer tank 7, a third steam pipeline 8, a finished product tower 9, a finished product tower inlet valve 10, a first pressure sensor 11, a first steam bypass 12, a first bypass valve 13, a first check valve 14, a second steam bypass 15, a second bypass valve 16, a second check valve 17, a pressure regulating tank 18, a telescopic section 19, a heating rod 20, a power line 21, a switch 22, a liquid level sensor 23 and a controller 24.

Detailed Description

As shown in fig. 1, a steam pressure stabilizing system of a rectification plant comprises a first boiler room 1, a second boiler room 2, a finished product tower 9 and a steam buffer tank 7;

the first boiler room 1 is connected with a steam buffer tank 7 through a first steam pipeline 3, and a first boiler room outlet valve 4 is arranged on the first steam pipeline 3;

the second boiler room 2 is connected with a steam buffer tank 7 through a second steam pipeline 5, and a second boiler room outlet valve 6 is arranged on the second steam pipeline 5;

the finished product tower 9 is connected with the steam buffer tank 7 through a third steam pipeline 8, and a finished product tower inlet valve 10 is arranged on the third steam pipeline 8;

the steam buffer tank 7 is further provided with a first steam bypass 12 and a second steam bypass 15, the first steam bypass 12 is connected to the bottom edge of the side wall of the pressure regulating tank 18, the second steam bypass 15 is connected to the top of the pressure regulating tank 18, and the first steam bypass 12 and the second steam bypass 15 are respectively provided with a first bypass valve 13 and a second bypass valve 16.

In a preferred scheme, the upper part of the pressure regulating tank 18 is provided with a telescopic section 19.

In a preferable scheme, a heating rod 20 is arranged at the bottom in the pressure regulating tank 18, one end of the heating rod 20 penetrates through the pressure regulating tank 18 and is connected with a power line 21, and a switch 22 is arranged on the power line 21.

In a preferred scheme, a liquid level sensor 23 is arranged on the side wall of the pressure regulating tank 18.

In a preferred scheme, a first pressure sensor 11 is arranged on the steam buffer tank 7, the first pressure sensor 11 is connected to a controller 24, and the controller 24 is further connected with a first bypass valve 13, a second bypass valve 16, a switch 22 and a liquid level sensor 23.

In a preferred embodiment, the first steam bypass 12 and the second steam bypass 15 are further provided with a first check valve 14 and a second check valve 17, respectively.

The novel steam pressure adjusting principle is as follows:

steam generated by a first boiler room 1 (10-ton boiler room) and a second boiler room 2 (20-ton boiler room) is respectively conveyed into a steam buffer tank 7 through a first steam pipeline 3 and a second steam pipeline 5, a first pressure sensor 11 monitors the steam pressure in the steam buffer tank 7 in real time, then pressure signals are transmitted into a controller 24, when the monitored steam pressure in the steam buffer tank 7 is larger than a set pressure value, the controller 24 controls a first bypass valve 13 to be opened, the steam is input into a pressure regulating tank 18 through a first steam bypass 12, as the steam pressure in the pressure regulating tank 18 rises, a telescopic section 19 is unfolded, the steam pressure in the steam buffer tank 7 gradually falls, when the steam pressure in the steam buffer tank 7 reaches a set value, the controller 24 controls the first bypass valve 13 to be closed, then a finished product tower inlet valve 10 is opened, and the steam is conveyed into a finished product tower 9;

when the monitored steam pressure in the steam buffer tank 7 is smaller than the set pressure value, the controller 24 controls the second bypass valve 16 to be opened, the steam in the pressure regulating tank 18 is conveyed into the steam buffer tank 7 through the second steam bypass 15 for pressure compensation, and when the steam pressure reaches the set value, the controller 24 controls the second bypass valve 16 to be closed, and then the finished product tower inlet valve 10 is opened to convey the steam into the finished product tower 9;

when the liquid level sensor 23 detects that the level of the steam condensate in the pressure regulating tank 18 is higher than the position of the heating rod 20, the through hole controller 24 controls the switch 22 to be opened, so that the condensate is heated and liquefied, and sufficient steam in the pressure regulating tank 18 is ensured due to pressure compensation in the steam buffer tank 7.

Claims

1. The utility model provides a rectification factory building steam steady voltage system, includes first boiler room (1), second boiler room (2) and finished product tower (9), its characterized in that: also comprises a steam buffer tank (7);

the first boiler room (1) is connected with the steam buffer tank (7) through a first steam pipeline (3), and a first boiler room outlet valve (4) is arranged on the first steam pipeline (3);

the second boiler room (2) is connected with the steam buffer tank (7) through a second steam pipeline (5), and a second boiler room outlet valve (6) is arranged on the second steam pipeline (5);

the finished product tower (9) is connected with the steam buffer tank (7) through a third steam pipeline (8), and a finished product tower inlet valve (10) is arranged on the third steam pipeline (8);

the steam buffer tank (7) is further provided with a first steam bypass (12) and a second steam bypass (15), the first steam bypass (12) is connected to the bottom edge of the side wall of the pressure adjusting tank (18), the second steam bypass (15) is connected to the top of the pressure adjusting tank (18), and the first steam bypass (12) and the second steam bypass (15) are respectively provided with a first bypass valve (13) and a second bypass valve (16).

2. The steam pressure stabilizing system of the rectification plant as claimed in claim 1, wherein the steam pressure stabilizing system comprises: the upper part of the pressure regulating tank (18) is provided with a telescopic section (19).

3. The steam pressure stabilizing system of the rectification plant as claimed in claim 1 or 2, wherein: the bottom in pressure regulation jar (18) be equipped with heating rod (20), heating rod (20) one end is worn to establish and is connected power cord (21) outside pressure regulation jar (18), is equipped with switch (22) on power cord (21).

4. The steam pressure stabilizing system of the rectification plant as claimed in claim 3, wherein the steam pressure stabilizing system comprises: and a liquid level sensor (23) is arranged on the side wall of the pressure regulating tank (18).

5. The steam pressure stabilizing system of the rectification plant as claimed in claim 4, wherein the steam pressure stabilizing system comprises: the steam buffer tank (7) on be equipped with first pressure sensor (11), on first pressure sensor (11) were connected to controller (24), controller (24) still with first by-pass valve (13), second by-pass valve (16), switch (22) and level sensor (23) be connected.

6. The steam pressure stabilizing system of the rectification plant as claimed in claim 1, wherein the steam pressure stabilizing system comprises: the first steam bypass (12) and the second steam bypass (15) are respectively provided with a first check valve (14) and a second check valve (17).