KR20120126973A - Seal pot apparatus of gas pipe - Google Patents

Abstract

PURPOSE: A seal pot device for a gas pipe is provided to prevent safety accidents and environmental accidents due to gas leakage by automatically controlling the level of condensate in a seal pot to smoothly discharge the condensate. CONSTITUTION: A seal pot device for a gas pipe comprises a seal pot(100), a water collecting tank(200), a condensate level detecting unit(300), a gas detecting unit(400), a supplementary water feeding pipe(500), and a control unit(600). The seal pot is arranged under a gas pipe(700) to insert a gas drain pipe(710) of the gas pipe so that condensate can flow into the gas pipe. The water collecting tank is connected at the top of the seal pot through an overflow pipe(110). The condensate level detecting unit is installed in the overflow pipe to detect the proper level of the condensate in the overflow pipe. The gas detecting unit is installed in the overflow pipe to detect gas jetting from the seal pot. The supplementary water feeding pipe feeds supplementary water to the gas drain pipe. The control unit selectively opens and closes the overflow pipe and the supplementary water feeding pipe.

Description

Seal port device for gas piping {SEAL POT APPARATUS OF GAS PIPE}

The present invention relates to a seal port device of a gas pipe, and more particularly, to effectively eliminate a blockage of a seal port caused by a foreign substance, and to seal a gas pipe that can automatically control replenishment water supply according to the level of condensate. It is about a port device.

In general, in case of transporting various gases by-products from the steel mill, for example, coke oven gas (COG) or blast furnace gas (BFG) to the plant, the gas of the gas piping is external to the lower side of the gas piping. Seal pots are installed to prevent leakage.

For example, as shown in FIG. 1, the seal port 10 is connected to the gas pipe 30 through the condensate discharge pipe 20 opened and closed by the upper valve 21 and the lower valve 22, and the gas pipe 30. The water bar is made while the head pressure and the gas pressure are balanced by the condensed water generated in 30. The condensed water and impurities generated in the gas pipe 30 are discharged to the outside through the overflow pipe 40 and the condensed water drain pipe 50.

However, in the case of the conventional seal port, if the replenishment water supply is not properly made or the condensate discharge pipe 20 is blocked by impurities, the water seal in the seal port 10 is destroyed and the air leakage phenomenon occurs. As a result, problems that contaminate the environment have arisen.

In particular, in order to supply replenishment water in the seal port, the operator must approach the facility as much as possible and manually operate the replenishment water supply valve. In this case, the worker is not only exposed to the gas poisoning risk, but also the fire and There was also the problem of taking the risk of an accident such as an explosion.

SUMMARY OF THE INVENTION An object of the present invention for solving this problem is to provide a seal port device for a gas pipe which can automatically control the condensate level in the seal port and effectively prevent the seal port from being sealed and blocked.

In order to achieve the above object, a seal port device of a gas pipe according to the present invention includes a seal port, a collection tank, a sea sealing detector, a gas detector, a supplemental water supply pipe, and a control port, and the seal port has a gas drain pipe inserted therein. The condensate in the gas pipe is introduced so that the condensate in the gas pipe flows in, the collection tank is connected to the upper portion of the seal port through the overflow pipe, and the sea sealing detector detects the proper level of the condensate in the overflow pipe. It is installed in the overflow pipe, the gas detector is installed in the overflow pipe to detect the gas ejected from the seal port, the supplemental water supply pipe supplies the supplemental water to the gas drain pipe, the controller is the sea-sealing detection unit and According to the detection result of the gas detection unit, the overflow pipe and the supplemental water supply pipe are selectively opened and closed.

Preferably, the seal port is inclined at the lower side of the gas pipe for the collection of foreign matter flowing from the gas drain pipe, the seal port drain pipe for discharging the collected foreign matter to the collecting tank in the lower portion of the seal port Is connected.

Preferably, the overflow pipe and the replenishment water supply pipe are provided with an overflow automatic valve and a replenishing water automatic valve which are opened and closed according to a signal from the controller, and the control unit has a water level lower than an appropriate level in the sea peak detection unit and a gas in the gas detection unit. When is detected, the closing signal for blocking the overflow pipe is applied to the overflow automatic valve, and the open signal for supplying the refill water to the seal port is applied to the refill water automatic valve.

Preferably, the insertion end of the gas drain pipe is provided with an enlarged tube is gradually enlarged in diameter.

Preferably, a partition plate is installed at the center of the collecting tank to divide the inner space of the collecting tank into one space part and the other space part.

Preferably, a separation plate is provided at the center of the seal port to divide the inner space of the seal port into an upper space portion and a lower space portion.

Preferably, when the control unit detects that the level of the overflow pipe reaches the proper level in the sea rod detection unit, the control unit applies an open signal for opening the overflow pipe to the overflow automatic valve, and blocks the supplemental water supply pipe. Apply a closing signal to the replenishment automatic valve.

Preferably, the seal port drain pipe is connected to the bottom surface of the upper space portion, and the overflow tube is connected to the top surface of the lower space portion.

According to the present invention, the following remarkable effects can be realized.

First, the present invention has the advantage that by automatically controlling the level of the condensate in the seal port to facilitate the discharge of the condensate, it is possible to prevent the safety accident and environmental accidents due to gas leakage in advance.

Secondly, the present invention has the advantage that it is possible to prevent the environmental pollution and to suppress the corrosion of the equipment by preventing the sealing of the seal port caused by the occurrence of sealing and foreign matter.

1 is a block diagram showing a seal port device according to the prior art.
Figure 2 is a block diagram showing a seal port device of the gas pipe according to the first embodiment of the present invention.
3 is a block diagram showing a seal port device of a gas pipe according to a second embodiment of the present invention.

In the drawings, the same reference numerals are used to designate the same or similar components throughout the drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

Embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 2, the seal port device according to the first embodiment of the present invention includes a seal port 100, a collection tank 200, a sea sealing detection unit 300, a gas detection unit 400, and a supplemental water supply pipe ( 500) and the control unit 600, the replenishment water is automatically supplied in accordance with the gas flow and condensate water level to prevent the sealing off of the seal port 100.

Specifically, the seal port 100 is a chamber in which the condensed water collected in the gas pipe 700 is introduced, is disposed below the gas pipe 700, and communicates with the gas pipe 700 through the gas drain pipe 710. Is connected.

Here, the gas drain pipe 710 is a pipe connecting between the gas pipe 700 and the seal port 100, one side is connected to the supplemental water supply pipe 500 for supply of supplemental water. The replenishment water supply pipe 500 is electrically connected to the control unit 600 to supply replenishment water into the seal port 100 according to a signal from the control unit 600.

In particular, an expansion tube 711 is provided at the insertion end of the gas drain tube 710 inserted into the seal port 100. The expansion tube 711 is configured in the form of a funnel gradually increasing in diameter, the gas flow is changed while the inlet pressure of the gas flowing into the seal port 100 is relaxed.

The overflow pipe 110 is connected to the other upper portion of the seal port 100. The overflow pipe 110 is a conveying pipe for moving the condensed water filled in the seal port 100 to the collecting tank 200, the one end of which is connected to the sealing port 100 and the other end thereof is connected to the collecting tank 200. Connected. Here, the collecting tank 200 is a collection tank in which the condensed water collected through the overflow pipe 110 is collected, and a discharge pipe 220 for discharging condensed water above a predetermined level is provided on one side thereof.

The overflow pipe 110 is provided with a seam detection unit 300 for detecting whether or not the proper level of condensate. The sea sealing detection unit 300 is installed at a predetermined position of the overflow pipe 110, detects whether condensed water has reached the corresponding position, and then applies the detection result to the control unit 600.

In addition, the overflow tube 110 is provided with a gas detection unit 400 for detecting a gas in the overflow tube 110. The gas detection unit 400 is for detecting the gas ejected from the seal port 100, and is provided in the branch pipe 112 branched from the overflow pipe 110. The branch pipe 112 is composed of a pipe extending from the upper end of the overflow pipe 110 is equipped with a sea peak detection unit 300, and collects the condensate overflowed from the sea peak detection unit 300 through the connection pipe 113. To be moved to the tank 200.

In addition, the overflow pipe 110 is provided with an overflow automatic valve 111 for selectively opening and closing the flow path. The overflow automatic valve 111 is electrically connected to the control unit 600 to open or close the overflow pipe 110 according to the signal of the control unit 600.

The control unit 600 selectively opens and closes the flow path of the overflow pipe 110 and the replenishment water supply pipe 500 according to the detection results of the sea rod detection unit 300 and the gas detection unit 400. For example, when the water level of the overflow pipe 110 is detected to be lower than the proper level in the sea sealing detection unit 300 and the gas in the overflow pipe 110 is detected by the gas detection unit 400, the control unit 600 determines that the gas is present in the overflow pipe 110. The closing signal for blocking the overflow pipe 110 is applied to the overflow automatic valve 111, and at the same time, the open signal for supplying the refill water to the seal port 100 is applied to the refill water automatic valve 510. do.

As such, when the level of the condensate is lowered and the gas leaks, the sea sealing detection unit 300 and the gas detection unit 400 quickly detect this, and the control unit 600 replenishes the seal port 100 according to the detected result. By automatically supplying, it is possible to quickly and effectively prevent the release of the seal port 100.

For reference, the overflow pipe 110, the supplemental water supply pipe 500, and the seal port drain pipe 120 to be described later may be provided with a manual valve 701 for manually opening and closing the flow path.

Referring to the operation of the first embodiment of the present invention having such a configuration as follows.

When the condensed water is generated in the gas pipe 700, the generated condensed water is introduced into the seal port 100 through the enlarged pipe 711 of the gas drain pipe 710.

Subsequently, when the sea level detection unit 300 detects that the water level of the overflow pipe 110 is lower than an appropriate level and the gas detection unit 400 detects that the gas in the overflow pipe 110 is present, the controller 600 controls the control unit 600. The overflow pipe 110 is closed by applying a closing signal to the overflow automatic valve 111, and an open signal is applied to the refill water automatic valve 510 to supply replenishment water through the refill water supply pipe 500. Let it go.

When the condensed water reaches the proper level in the overflow pipe 110 by supply of the replenishment water, it is detected by the sea-sealing detection unit 300, and the control unit 600 applies a closing signal to the replenishment water automatic valve 510. The supply of supplemental water through the supplemental water supply pipe 500 is stopped, and an open signal is applied to the overflow automatic valve 111 so that the condensed water is moved to the collecting tank 200 through the overflow pipe 110. .

On the other hand, as shown in Figure 3, the seal port 100 device according to a second embodiment of the present invention, the seal port 100, the collection tank 200, sea-sealing detection unit 300, gas detection unit 400 , The supplementary water supply pipe 500, the control unit 600 and the seal port drain pipe 120, the supply of the supplementary water automatically according to the gas flow and condensate water level, so that foreign matter in the condensate is effectively separated.

Here, the configurations of the seal port 100, the collection tank 200, the sea sealing detection unit 300, the gas detection unit 400, the replenishment water supply pipe 500 and the control unit 600 are the seals described in the first embodiment. Port 100, the collecting tank 200, the sea-sealing detection unit 300, the gas detection unit 400, the configuration corresponding to the configuration of the supplemental water supply pipe 500 and the control unit 600, a detailed description thereof will be omitted. do. However, the seal port 100 according to the second embodiment is disposed to be inclined from the lower side of the gas pipe 700, the lower portion of the seal port 100 and the collection tank 200 through the seal port drain pipe 120 The connection is different from the seal port 100 according to the first embodiment.

Specifically, the seal port 100 is disposed to be inclined at a predetermined angle from the lower side of the gas pipe 700 in order to collect the foreign matter in the condensed water flowing from the gas drain pipe 710. This is to allow the sludge or foreign matter in the condensate to be moved to the downward direction of the seal port 100 to be collected in one place.

The separation plate 130 is installed at the center of the seal port 100. The separating plate 130 divides one side and the other inner space of the seal port 100 into an upper space portion 100a and a lower space portion 100b so that sludge or foreign matter is collected in the upper space portion 100a. Only the condensate is collected in the lower space part 100b.

The seal port drain tube 120 is connected to the upper space portion 100a of the seal port 100. The seal port drain pipe 120 has a structure in which one end thereof is connected to the bottom surface of the upper space part 100a and the other end thereof is connected to the collection tank 200, and is selectively opened and closed by the drain automatic side 121. The drain automatic valve 121 is opened and closed by a set timer (Timmer).

The partition plate 210 is also installed in the center of the collection tank 200. The partition plate 210 divides the internal space of the water collecting tank 200 into one space portion 200a and the other space portion 200b, so that the foreign matter discharged to the seal port drain pipe 120 in the one space portion 200a. This is to collect, and the condensed water is filled in the other space portion (200b).

Referring to the operation of the second embodiment of the present invention having such a configuration as follows.

When condensed water is generated in the gas pipe 700, the generated condensed water flows into the seal port 100 disposed to be inclined. At this time, the sludge or foreign matter contained in the condensate is moved to the downward direction of the seal port 100 by its own weight, and when the drain automatic valve 121 is opened according to the set timer, the downward direction of the seal port 100. The moved sludge or foreign matter is moved to the collection tank 200 through the seal port drain pipe 120.

Subsequently, when the sea level detection of the seal port 100 is detected by the sea level detection unit 300 of the overflow pipe 110 and the gas detection is detected by the gas detection unit 400, the control unit 600 automatically overflows 111. The overflow pipe 110 is closed by applying a closing signal to the closing pipe, and an opening signal is applied to the refilling water automatic valve 510 to supply replenishing water through the replenishing water supply pipe 500.

When the condensate water reaches the proper level in the overflow pipe 110 by supply of the replenishment water, the sea level detection unit 300 detects the replenishment water by automatically applying a closing signal to the replenishment water automatic valve 510. Supply of the replenishment water through the water supply pipe 500 is stopped, and an open signal is applied to the overflow automatic valve 111 so that the condensed water moves to the collection tank 200 through the overflow pipe 110.

As described above, the present invention automatically controls the level of the condensate in the seal port so that the discharge of the condensate can be made smoothly, and prevents the sealing of the seal port and clogging due to foreign substances, thereby preventing safety and environmental pollution due to gas leakage. It is excellent in that it can be prevented in advance.

Although the present invention has been described in detail using the preferred embodiments, the scope of the present invention is not limited to the specific embodiments, and should be interpreted by the appended claims. It will also be appreciated that many modifications and variations will be apparent to those skilled in the art without departing from the scope of the present invention.

100: seal port 110: overflow pipe
111: overflow automatic valve 120: seal port drain pipe
121: automatic drain side 130: separation pipe
200: collecting tank 210: compartment pipe
300: sea peak detection unit 400: gas detection unit
500: replenishment water supply unit 510: replenishment water automatic valve
600: control unit

Claims (8)

A seal port 100 disposed at a lower side of the gas pipe 700 so that the gas drain pipe 710 of the gas pipe 700 is inserted into the condensed water in the gas pipe 700;
A collecting tank 200 connected to the upper portion of the seal port 100 through the overflow pipe 110;
A sea-sealing detection unit (300) installed in the overflow pipe (110) to detect the proper level of condensate in the overflow pipe (110);
A gas detection unit 400 installed in the overflow pipe 110 to detect gas ejected from the seal port 100;
A supplemental water supply pipe 500 for supplying supplemental water to the gas drain pipe 710; And
The control unit 600 for selectively opening and closing the overflow pipe 110 and the replenishment water supply pipe 500 according to the detection results of the sea-sealing detection unit 300 and the gas detection unit 400 Seal port device for piping. The method according to claim 1,
The seal port 100 is disposed to be inclined at a lower side of the gas pipe 700 to collect the foreign matter flowing from the gas drain pipe 710, and collects the collected foreign matter under the seal port 100. The seal port device of the gas pipe, characterized in that the seal port drain pipe 120 for discharging to the tank 200 is connected. The method according to claim 1,
The overflow pipe 110 and the replenishment water supply pipe 500 are provided with an overflow automatic side 111 and a replenishing water automatic side 510 which are opened and closed according to a signal from the controller 600,
The control unit 600, when the water level is lower than the appropriate level in the sea level detection unit 300 and the gas is detected in the gas detection unit 400, the overflow signal automatically shuts off the closing signal for blocking the overflow pipe 110 ( 111), and an open signal for supplying replenishment water to the seal port (100) is applied to the refill water automatic valve (510). The method according to claim 1,
Seal port device of the gas pipe, characterized in that the expansion pipe 711 is gradually installed in the insertion end of the gas drain pipe 710 is enlarged in diameter. The method according to claim 1,
The seal of the gas pipe, characterized in that the partition plate 210 for partitioning the inner space of the collection tank 200 into one space portion 200a and the other space portion 200b in the center of the collection tank 200 is installed. Port device. The method according to claim 2,
In the center of the seal port 100, a separation plate 130 for dividing the inner space of the seal port 100 into an upper space portion 100a and a lower space portion 100b is installed, characterized in that Seal port device. The method according to claim 3,
When the controller 600 detects that the water level of the overflow tube 110 reaches the proper level in the sea sealing detection unit 300, the control unit 600 automatically converts the opening signal for opening the overflow tube 110 into an automatic automatic overflow ( 111), and the seal port device of the gas pipe, characterized in that for applying the closing signal for blocking the replenishment water supply pipe 500 to the replenishment water automatic valve (510). The method of claim 6,
The seal port drain pipe 120 is connected to the bottom surface of the upper space portion 100a, and the overflow pipe 110 is connected to the top surface of the lower space portion 100b. Port device.

Images