CN106838623A - Gas drainage system with spring sealed ball - Google Patents

Abstract

The invention discloses a gas drainage system with a spring sealing ball, comprising an upper water storage device communicated with a gas pipeline and a water sealing device communicating with the upper water storage device through a pipeline for drainage and sealing; the water sealing device It includes a sealing pipe with a single opening, a sealing ball arranged in the sealing pipe, a spring arranged between the unopened end of the sealing pipe and the sealing ball, and a water outlet pipe communicating with the side wall of the sealing pipe; the sealing The opening of the pipeline communicates with the upper water storage device; the free port of the outlet pipeline communicates with the drainage pipeline; the density of the sealing ball is greater than that of water, and the diameter of the sealing ball is adapted to the diameter of the sealing pipeline; The invention has simple structure, convenient construction, automatic drainage, and the whole gas drainage system does not need to continuously replenish new water, which provides safety guarantee for gas drainage in metallurgical factories.

Description

Gas drain system with spring sealing ball

technical field

The invention relates to a gas drainage system with a spring sealing ball.

Background technique

In metallurgical enterprises, a large amount of gas, including blast furnace gas, converter gas and coke oven gas, needs to be recovered and used in processes such as ironmaking, steelmaking, coking and steel rolling. Various gas pipelines form an intricate gas pipeline network system. Usually, the gas pipeline needs to be provided with a gas drainer every certain distance to discharge the condensed water of the gas pipeline.

A conventional gas drain consists of an upper manual gate valve, a lower manual gate valve and a factory-fabricated gas drain. The principle of this type of drain is a U-shaped water seal, which seals the gas through a certain water level. Usually, it is necessary to continuously inject make-up water into the drainer to ensure the water level in the gas drainer, and there is a potential safety hazard of gas breaking through the water seal in the drainer.

Contents of the invention

In view of the above problems, the present invention provides a gas drainage system with spring sealing balls that automatically drains, does not require make-up water and has good sealing performance.

In order to achieve the above object, the present invention provides a gas drainage system with a spring sealing ball, comprising an upper water storage device communicated with the gas pipeline and a water sealing device for automatic drainage and sealing; the upper water storage device includes an upper end connected to the A condensed water collector communicated with the gas pipeline and a condensed water storage connected to the lower end of the condensed water collector; a water outlet is provided at the bottom of the condensed water storage; the water outlet communicates with the water sealing device through a pipeline;

The water sealing device includes a sealing pipe with one-way opening, a sealing ball arranged in the sealing pipe, a spring arranged between the closed end of the sealing pipe and the sealing ball, and a water inlet communicating with the side wall of the sealing pipe The drain pipe; the open end of the sealed pipe communicates with the water outlet of the condensed water storage; the density of the sealed ball is greater than the density of water, and the diameter of the sealed ball is adapted to the diameter of the sealed pipe;

When the pressure in the condensed water reservoir is greater than the spring force, the sealing ball moves downwards along the sealing pipe under pressure, and when the center of the sealing ball moves below the water inlet of the drain pipe, the The condensed water storage is communicated with the water inlet of the drainage channel, and the condensed water storage is drained;

When the pressure in the condensate storage is less than the spring force, the sealing ball moves upward along the sealing pipe under the action of the elastic force, and when the center of the sealing ball moves higher than the water inlet of the drain pipe, the condensing storage Cut off from the water inlet of the drainage channel, the condensed water storage stops draining.

Preferably, the condensed water collector is a water collecting funnel whose two large-diameter ends communicate with the bottom end of the gas pipeline; the condensed water storage is a U-shaped pipe respectively connected to the two small-diameter ends of the water collecting funnel The bottom of the U-shaped pipeline is provided with a water outlet; the water outlet of the U-shaped pipeline communicates with the water sealing device through a pipeline; the water outlet of the U-shaped pipeline and the water sealing device are arranged in the pipeline There is an upper manual gate valve.

Preferably, the lower part of the drainage pipe is provided with a lower manual gate valve; the water outlet of the drainage pipe is connected with a lower water storage device for storing water from the gas pipeline, and the lower water storage device includes a drainage ditch or a water storage tank.

Preferably, the condensed water collector is a water collecting funnel whose two large-diameter ends communicate with the bottom end of the gas pipeline; the condensed water storage is a U-shaped pipe respectively connected to the two small-diameter ends of the water collecting funnel The lower pipe wall of the horizontal section of the U-shaped pipe is arc-shaped; the highest part of the arc-shaped lower pipe of the horizontal section of the U-shaped pipe is provided with a water outlet, and the water outlet of the U-shaped pipe communicates with the water sealing device.

Preferably, it also includes two sludge removal devices respectively communicating with the lowest part of the arc-shaped lower pipe wall of the U-shaped pipe horizontal section;

The sludge recovery device includes a sludge pipeline communicated with the lowest point of the arc-shaped lower pipeline wall of the U-shaped pipeline, a manual water stop valve arranged on the sludge pipeline, and a sludge pipeline communicated with the sludge pipeline. A storage box and a transparent observation window arranged on the upper part of the sludge storage box for observing the amount of sludge; the sludge pipeline is threadedly connected with the sludge storage box.

In the present invention, the gas upper water storage device is composed of a water collecting funnel and a U-shaped pipeline, which can store a certain amount of gas condensed water, and the water storage device is easy to manufacture and install. The spring sealing ball is adopted, and the sealing ball moves up and down according to the pressure of the upper water weight, and the water outlet is automatically opened or sealed to realize automatic drainage.

Description of drawings

1 is a schematic diagram of the overall structure of a gas drainage system with a spring sealing ball in Embodiment 1 of the present invention;

Fig. 2 is a schematic diagram of the sealing state of the spring sealing ball in Embodiment 1 of the present invention;

Fig. 3 is a schematic diagram of the open state of the spring sealing ball in Embodiment 1 of the present invention;

Fig. 4 is a schematic diagram of the overall structure of the gas drainage system with spring sealing balls in Embodiment 3 of the present invention.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings.

Example 1

As shown in Figure 1, a gas drainage system with a spring sealing ball in this embodiment includes an upper water storage device communicated with the gas pipeline and a water sealing device for automatic drainage and sealing; the upper water storage device includes an upper end The condensed water collector 1 communicated with the gas pipeline and the condensed water storage 2 communicated with the lower end of the condensed water collector 1; the bottom of the condensed water storage 2 is provided with a water outlet; the water outlet and the water sealing device pass through pipeline connection;

The water sealing device includes a sealing pipe with one-way opening, a sealing ball 3 arranged in the sealing pipe, a spring 7 arranged between the closed end of the sealing pipe and the sealing ball 3, and a water inlet and the sealing pipe. A drain pipe connected to the side wall; the open end of the sealed pipe communicates with the water outlet of the condensed water storage 2; the density of the sealed ball 3 is greater than that of water, and the diameter of the sealed ball 3 is the same as that of the sealed pipe. diameter fit;

As shown in Figure 2, when the internal pressure of the condensed water storage 2 is greater than the spring force, the sealing ball 3 moves downward along the sealing pipe under the action of pressure, and the center of the sealing ball 3 moves to a position lower than the When the water inlet of the drainage pipe is used, the condensed water storage 2 is connected to the water inlet of the drainage channel, and the condensed water storage 2 is drained;

As shown in Figure 3, when the internal pressure of the condensed water reservoir 2 is less than the elastic force of the spring 7, the sealing ball 3 moves upward along the sealing pipe under the action of the elastic force, and the center of the sealing ball 3 moves to a position higher than the drain When the water inlet of the pipeline is used, the condensate storage 2 is cut off from the water inlet of the drainage channel, and the condensate storage 2 stops draining.

In this embodiment, the spring sealing ball is used to realize the function of automatic drainage and sealing of the drainage system, without continuous drainage, and the safety of drainage is improved.

Example 2

Based on the above-mentioned embodiment, the condensed water collector 1 described in this embodiment is a water collecting funnel whose two large-diameter ends communicate with the bottom end of the gas pipeline; U-shaped pipelines that are connected respectively; the bottom of the U-shaped pipeline is provided with a water outlet; the water outlet of the U-shaped pipeline communicates with the water sealing device through the pipeline; the water outlet of the U-shaped pipeline and the water sealing device The upper manual gate valve 4 is arranged in the pipeline between them.

The lower part of the drain pipe is provided with a lower manual gate valve 5; the water outlet of the drain pipe is connected with a lower water storage device 6 for storing gas pipeline drainage, and the lower water storage device includes a drainage ditch or a water storage tank.

In this embodiment, a water collecting funnel and a U-shaped pipe are used to form the gas upper water storage device, which can store a certain amount of gas condensed water. The water storage device is easy to manufacture and install, ensures the water level in the gas drainer, and prevents the gas from breaking through the upper storage. Water device to improve drainage safety.

Example 3

Based on embodiment 1, the condensed water collector 1 described in this embodiment is a water collecting funnel whose two large-diameter ends communicate with the bottom end of the gas pipeline; The U-shaped pipe connected at the end; the lower pipe wall of the horizontal section of the U-shaped pipe is arc-shaped; The water sealing device is connected;

It also includes two sludge removal devices 8 that communicate with the lowest part of the arc-shaped lower pipe wall of the U-shaped pipe horizontal section respectively; A sludge pipeline communicated with the sludge pipeline, a manual water stop valve arranged on the sludge pipeline, a sludge storage tank communicated with the sludge pipeline, and a transparent observation window arranged on the upper part of the sludge storage tank for observing the amount of sludge; The sludge pipeline is threadedly connected with the sludge storage tank.

Because some impurities will be mixed in the gas pipeline, after condensation, it will flow into the U-shaped pipeline together with the condensed water, and the density of the sludge is greater than that of water, so the sludge flows into the sludge removal device 8; observe the sludge through the observation window When the sludge storage is too much, close the water stop valve, separate the sludge storage tank from the sludge pipeline, install it on the sludge pipeline through threaded connection after cleaning, and open the stop valve. Water valve: when the water in the U-shaped pipeline enters the sludge cleaning device 8, the water level control device will control the electric butterfly valve according to the water level so that no gas leakage will occur.

In this embodiment, a water collecting funnel and a U-shaped pipe are used to form the gas upper water storage device, which can store a certain amount of gas condensed water. Water device to improve drainage safety; at the same time, a sludge removal device 8 is installed to prevent sludge clogging and ensure the stable operation of the drainage system.

The above are only preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention are all Should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be defined by the claims.

Claims (5)

1. A gas drainage system with a spring sealing ball, characterized in that: comprise an upper water storage device communicated with the gas pipeline and a water sealing device for automatic drainage and sealing; the upper water storage device includes an upper end connected to the A condensed water collector communicated with the gas pipeline and a condensed water storage connected to the lower end of the condensed water collector; a water outlet is provided at the bottom of the condensed water storage; the water outlet communicates with the water sealing device through a pipeline; The water sealing device includes a sealing pipe with one-way opening, a sealing ball arranged in the sealing pipe, a spring arranged between the closed end of the sealing pipe and the sealing ball, and a water inlet communicating with the side wall of the sealing pipe The drain pipe; the open end of the sealed pipe communicates with the water outlet of the condensed water storage; the density of the sealed ball is greater than the density of water, and the diameter of the sealed ball is adapted to the diameter of the sealed pipe; When the pressure in the condensed water reservoir is greater than the spring force, the sealing ball moves downwards along the sealing pipe under pressure, and when the center of the sealing ball moves below the water inlet of the drain pipe, the The condensed water storage is communicated with the water inlet of the drainage channel, and the condensed water storage is drained; When the pressure in the condensate storage is less than the spring force, the sealing ball moves upward along the sealing pipe under the action of the elastic force, and when the center of the sealing ball moves higher than the water inlet of the drain pipe, the condensing storage Cut off from the water inlet of the drainage channel, the condensed water storage stops draining. 2. A gas drainage system with a spring sealing ball as claimed in claim 1, wherein the condensed water collector is a water collecting funnel with two large-diameter ends connected to the bottom end of the gas pipeline; the condensed water The storage is a U-shaped pipe that communicates with the small-caliber ends of the two collecting funnels respectively; the bottom of the U-shaped pipe is provided with a water outlet; the water outlet of the U-shaped pipe communicates with the water sealing device through a pipe; An upper manual gate valve is arranged in the pipeline between the water outlet of the U-shaped pipeline and the water sealing device. 3. A gas drainage system with a spring sealing ball as claimed in claim 1, characterized in that: the lower part of the drainage pipe is provided with a lower manual gate valve; the water outlet of the drainage pipe is connected with the lower part for storing the drainage of the gas pipeline The water storage device, the lower water storage device includes a drainage ditch or a water storage tank. 4. A kind of gas drainage system with a spring sealing ball as claimed in claim 1, characterized in that: the condensed water collector is a water collecting funnel whose two large-diameter ends communicate with the bottom end of the gas pipeline; the condensed water The storage is a U-shaped pipe connected to the small-caliber ends of the two collecting funnels respectively; the lower pipe wall of the horizontal section of the U-shaped pipe is arc-shaped; the highest point of the arc-shaped lower pipe of the horizontal section of the U-shaped pipe is provided with A water outlet, the water outlet of the U-shaped pipe communicates with the water sealing device. 5. A gas drainage system with a spring sealing ball as claimed in claim 4, characterized in that: it also includes two sludge removal devices respectively connected to the lowest part of the U-shaped pipe horizontal section arc lower pipe wall; The sludge recovery device includes a sludge pipeline communicated with the lowest point of the arc-shaped lower pipeline wall of the U-shaped pipeline, a manual water stop valve arranged on the sludge pipeline, and a sludge pipeline communicated with the sludge pipeline. A storage box and a transparent observation window arranged on the upper part of the sludge storage box for observing the amount of sludge; the sludge pipeline is threadedly connected with the sludge storage box.