阅读说明：本技术 一种煤气排水器 (Coal gas drainer ) 是由 郭笑吟 陆在洋 郭洪阳 吴鸿羽 于 2019-08-29 设计创作，主要内容包括：本发明公开了一种煤气排水器,包括由上封板、筒体及下封板围合而成的内部中空的排水器本体,在排水器本体内部设有一级隔筒,一级隔筒下端与下封板密封连接,一级隔筒上端与上封板之间留有溢流间隙,一级隔筒将排水器本体内部分隔成一级水封仓室与二级水封仓室,在上封板上设有进液口,在进液口处设有插入一级水封仓室液下的水封管,水封管的下管口与下封板之间留有间隙,二级水封仓室内设有二级隔筒,二级隔筒的上端与上封板密封连接,二级隔筒的下端插入二级水封仓室液下且与下封板之间留有间隙,在筒体的上部侧壁上设置有排水口。本发明的优点是：结构简单,安装维修方便,安装占地面积小,造价低廉,形成两级水封,设备使用安全性高。(The invention discloses a gas drainer which comprises a drainer body, wherein the drainer body is internally hollow and is formed by enclosing an upper sealing plate, a cylinder body and a lower sealing plate, a primary separating cylinder is arranged inside the drainer body, the lower end of the primary separating cylinder is in sealed connection with the lower sealing plate, an overflow gap is reserved between the upper end of the primary separating cylinder and the upper sealing plate, the primary separating cylinder divides the inside of the drainer body into a primary water seal chamber and a secondary water seal chamber, a liquid inlet is arranged on the upper sealing plate, a water seal pipe inserted into the primary water seal chamber under liquid is arranged at the liquid inlet, a gap is reserved between the lower opening of the water seal pipe and the lower sealing plate, a secondary separating cylinder is arranged in the secondary water seal chamber, the upper end of the secondary separating cylinder is in sealed connection with the upper sealing plate, the lower end of the secondary separating cylinder is inserted into the secondary water seal chamber under liquid, a gap. The invention has the advantages that: simple structure, installation easy maintenance, installation area is little, and low in cost forms the two-stage water seal, and equipment safety in utilization is high.)

1. A coal gas drainer is characterized in that: comprises a drainer body which is internally hollow and is formed by enclosing an upper sealing plate, a cylinder body and a lower sealing plate, wherein a primary separating cylinder is arranged inside the drainer body, the lower end of the primary separating cylinder is hermetically connected with the lower sealing plate, an overflow gap is reserved between the upper end of the primary separating cylinder and the upper sealing plate, the primary separating cylinder divides the inside of the drainer body into a primary water seal chamber and a secondary water seal chamber which are communicated only through the overflow gap, a liquid inlet is arranged on the upper sealing plate, a water sealing pipe inserted into the liquid of the primary water sealing chamber is arranged at the liquid inlet, a gap is reserved between the lower pipe orifice of the water sealing pipe and the lower sealing plate, a second-stage separation barrel is arranged in the second-stage water seal bin chamber and sleeved outside the first-stage separation barrel at intervals, the upper end of the second-stage separation barrel is connected with the upper sealing plate in a sealing mode, the lower end of the second-stage separation barrel is inserted into the second-stage water seal bin chamber under liquid, a gap is reserved between the lower end of the second-stage separation barrel and the lower sealing plate, and a water outlet is formed in the side wall of the.

2. The gas drainer as claimed in claim 1, wherein: an inner emptying port is arranged at the lower part of the primary separating barrel, an inner emptying pipe is connected to the inner emptying port, the inner emptying pipe extends out of the barrel body in a sealing manner, and a valve is arranged at the pipe orifice of the inner emptying pipe; an external vent is arranged at the lower part of the cylinder body, and a valve is arranged at the external vent.

3. The gas drainer as claimed in claim 1, wherein: a water replenishing port is arranged on the upper sealing plate, and a water replenishing pipe with a valve is connected at the water replenishing port.

4. The gas drainer as claimed in claim 3, wherein: the water replenishing port is downward and simultaneously aligned with the first-stage water seal chamber and the second-stage water seal chamber.

5. The gas drainer as claimed in claim 1, wherein: an inspection opening is arranged on the upper closing plate.

6. The gas drainer as claimed in claim 1, wherein: the drainage pipe is connected with a drainage pipe positioned outside the cylinder body, the outer wall of the cylinder body below the drainage pipe is provided with a flow guide pipe, and the upper pipe orifice of each flow guide pipe is in a horn opening shape and is upwards aligned with the lower pipe orifice of the drainage pipe.

Technical Field

The invention relates to the technical field of coal gas drainage equipment, in particular to a coal gas drainer.

background

In steel and iron and coking enterprises, coal gas conveyed in a coal gas pipeline is generally steam saturated coal gas, when the coal gas flows in pipelines and equipment facilities, medium temperature is reduced due to heat dissipation of a pipe wall, steam saturated in the coal gas is promoted to be condensed to form condensed water, the condensed water is accumulated at a low-lying position if not discharged in time, the transmission and distribution and use of the coal gas are influenced, and airflow blockage, pipeline collapse and large amount of coal gas leakage can be caused in serious cases; meanwhile, the condensed water of the coal gas contains more corrosive media, so that the pipeline is easy to corrode, the perforation of the pipe wall is caused to leak gas, and the service life of the pipeline and equipment is shortened. The water seal tank is a common gas drainage device which can collect and discharge condensed water in a gas pipeline and prevent gas leakage. The water seal tank used at present has the following disadvantages: when the pressure of the coal gas in the coal gas pipeline fluctuates greatly instantly or water is deficient in the coal gas drainer, the coal gas is easy to puncture the water seal of the water seal groove and leak out, so that coal gas safety accidents are caused, and the use safety is low.

Disclosure of Invention

The invention aims to provide a gas drainer which is high in use safety and convenient to operate.

In order to achieve the purpose, the invention adopts the following technical scheme: a coal gas drainer comprises a drainer body which is internally hollow and is formed by enclosing an upper sealing plate, a cylinder body and a lower sealing plate, wherein a primary separating cylinder is arranged inside the drainer body, the lower end of the primary separating cylinder is hermetically connected with the lower sealing plate, an overflow gap is reserved between the upper end of the primary separating cylinder and the upper sealing plate, the primary separating cylinder divides the inside of the drainer body into a primary water seal chamber and a secondary water seal chamber which are communicated only through the overflow gap, a liquid inlet is arranged on the upper sealing plate, a water seal pipe inserted into the liquid of the primary water seal chamber is arranged at the liquid inlet, a gap is reserved between the lower pipe opening of the water seal pipe and the lower sealing plate, a secondary separating cylinder which is sleeved outside the primary separating cylinder at an interval is arranged in the secondary water seal chamber, the upper end of the secondary separating cylinder is hermetically connected with the upper sealing plate, the lower end of the secondary separating cylinder is inserted into the liquid, a water outlet is arranged on the side wall of the upper part of the cylinder body.

Further, the aforementioned gas drainer, wherein: an inner emptying port is arranged at the lower part of the primary separating barrel, an inner emptying pipe is connected to the inner emptying port, the inner emptying pipe extends out of the barrel body in a sealing manner, and a valve is arranged at the pipe orifice of the inner emptying pipe; an external vent is arranged at the lower part of the cylinder body, and a valve is arranged at the external vent.

Further, the aforementioned gas drainer, wherein: a water replenishing port is arranged on the upper sealing plate, and a water replenishing pipe with a valve is connected at the water replenishing port.

Further, the aforementioned gas drainer, wherein: the water replenishing port is downward and simultaneously aligned with the first-stage water seal chamber and the second-stage water seal chamber.

Further, the aforementioned gas drainer, wherein: an inspection opening is arranged on the upper closing plate.

Further, the aforementioned gas drainer, wherein: the drainage pipe is connected with a drainage pipe positioned outside the cylinder body, the outer wall of the cylinder body below the drainage pipe is provided with a flow guide pipe, and the upper pipe orifice of each flow guide pipe is in a horn opening shape and is upwards aligned with the lower pipe orifice of the drainage pipe.

Through the implementation of the technical scheme, the invention has the beneficial effects that: simple structure, installation easy maintenance, installation area is little, and low in cost forms the two-stage water seal, has improved the safety in utilization and the stability of equipment greatly.

Drawings

Fig. 1 is a schematic structural diagram of a gas drainer according to the present invention.

Fig. 2 is a schematic structural view in a top view of fig. 1.

Detailed Description

The invention is further described with reference to the following figures and specific examples.

As shown in fig. 1 and 2, the gas drainer comprises a drainer body which is hollow inside and is enclosed by an upper sealing plate 1, a cylinder body 2 and a lower sealing plate 3, wherein a primary separating cylinder 4 is arranged inside the drainer body, the lower end of the primary separating cylinder 4 is hermetically connected with the lower sealing plate 3, an overflow gap of 200mm is reserved between the upper end of the primary separating cylinder 4 and the upper sealing plate 1, the primary separating cylinder 4 separates the interior of the drainer body into a primary water sealing chamber 5 and a secondary water sealing chamber 6 which are communicated only through the overflow gap, a liquid inlet 7 is arranged on the upper sealing plate 1, a water sealing pipe 8 which is inserted into the primary water sealing chamber 5 under liquid is arranged at the liquid inlet 7, a gap of 200mm is reserved between the lower pipe orifice of the water sealing pipe 8 and the lower sealing plate 3, a secondary separating cylinder 9 which is arranged outside the primary separating cylinder 4 is arranged in the secondary water sealing chamber 6, and the upper end of the secondary separating cylinder 9 is hermetically connected with the upper sealing plate, the lower end of the secondary separating cylinder 9 is inserted into the liquid of the secondary water seal chamber 6, a 200mm gap is reserved between the lower sealing plate 3 and the lower end of the secondary separating cylinder, and a water outlet is formed in the side wall of the upper part of the cylinder body 2;

In this embodiment, an internal emptying port 11 is arranged at the lower part of the primary partition barrel 4, an internal emptying pipe 12 is connected to the internal emptying port 11, the internal emptying pipe 12 extends out of the barrel body 2 in a sealing manner, and a first valve 13 is arranged at the pipe orifice of the internal emptying pipe 12, so that water in the primary water seal chamber 5 can be conveniently discharged out of the barrel body 2 by opening the first valve 13; an external air vent 14 is arranged at the lower part of the cylinder body 2, and a second valve 15 is arranged at the external air vent 14, so that the water in the secondary water seal chamber 6 can be conveniently discharged out of the cylinder body 2 by opening the second valve 15; in this embodiment, the upper sealing plate 1 is provided with a water replenishing port 16, the water replenishing pipe 18 with a third valve 17 is connected to the water replenishing port 16, the water replenishing port 16 is downward and simultaneously aligned with the primary water sealing chamber 5 and the secondary water sealing chamber 6, the primary water sealing chamber and the secondary water sealing chamber can be replenished with water rapidly and conveniently through the water replenishing port, and the operation is more convenient; in the embodiment, the upper sealing plate 1 is provided with the inspection port 19, so that the working condition in the drainer body can be conveniently and visually known through the inspection port, and workers can conveniently find and overhaul faults in time; in the embodiment, a drain pipe 20 positioned outside the cylinder 2 is connected to the drain port 10, a guide pipe 21 is installed on the outer wall of the cylinder 2 below the drain pipe 20, and the upper pipe orifice of each guide pipe 21 is in a horn opening shape and is aligned upwards to the lower pipe orifice of the drain pipe 20, so that drainage is more convenient;

During actual installation, the liquid inlet 7 of the drainage device is connected with the pipeline low-lying part of the gas pipeline; when the water seal device works, condensed water generated in the gas pipeline continuously drains into a water seal of the primary water seal chamber 5 from the liquid inlet 7 and the water seal pipe 8, the water seal height in the primary water seal chamber 5 continuously rises along with the continuous inflow of the condensed water into the primary water seal chamber 5, when the water seal height in the primary water seal chamber 5 is higher than the overflow gap, the water in the primary water seal chamber 5 drains into the secondary water seal chamber 6 through the overflow gap, and when the water seal height in the secondary water seal chamber 6 is higher than the water outlet 10, the water in the secondary water seal chamber 5 drains out through the water outlet 10, the water drain pipe 20 and the flow guide pipe 21 along with the continuous inflow of the condensed water into the secondary water seal chamber 6; due to the water seals in the first-stage water seal chamber 5 and the second-stage water seal chamber 6, the gas in the gas pipeline can be leaked out only by breaking through the two stages of water seals at the same time, and the use safety is greatly improved.

The invention has the advantages that: simple structure, installation easy maintenance, installation area is little, and low in cost forms the two-stage water seal, for one-level water seal groove, has reduced equipment height, has made things convenient for the operation of equipment, has improved the safety in utilization and the stability of equipment greatly.