CN205048163U - Prevent excessive heating furnace gas piping waste fitting discharging of coal gas - Google Patents
Prevent excessive heating furnace gas piping waste fitting discharging of coal gas Download PDFInfo
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- CN205048163U CN205048163U CN201520752068.5U CN201520752068U CN205048163U CN 205048163 U CN205048163 U CN 205048163U CN 201520752068 U CN201520752068 U CN 201520752068U CN 205048163 U CN205048163 U CN 205048163U
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Abstract
The utility model relates to a prevent excessive heating furnace gas piping waste fitting discharging of coal gas, waste fitting discharging be connected with first blowoff valve (2), first connecting tube (3), second blowoff valve (4), second connecting tube (5), third connecting tube (7), fourth connecting tube (9), third blowoff valve (10), the 5th connecting tube (11), fourth blowoff valve (12) and blow off pipe (13) in order in gas piping (1) export, third connecting tube (7) and fourth connecting tube (9) between connect through a U type water seal (8), second connecting tube (5) and third connecting tube (7) between install direct sight glass (6). Preventing effectively that coal gas is excessive, avoiding the personnel to take place gas suffocation, ensure operation personnel's safety, when solving present dry -type excretion machine drainage operation, it is excessive to take place coal gas, leads to the operation personnel to take place gas suffocation, threatens the problem of operation personal security.
Description
Technical field
The utility model relates to coal gas system technical field, is specifically related to a kind of oven gas pipe line drainage device preventing coal gas excessive.
Background technique
The equipment use mixed gases such as Iron And Steel Plant's oven are as combustion medium.Mixed gas be steel mill ironmaking, practice produce in steel process coke oven, converter and blast furnace gas, these coal gas still can contain the materials such as water, tar, phenols after filtration treatment.When ambient temperature changes, these just can become condensed fluid containing phenol steam and accumulate in bottom gas pipe line, if irregularly these condensate discharges are fallen, the conveying of coal gas will be affected, the bottom of the coal gas major network pipeline therefore in outdoor, all can be provided with water-draining seal tank for gas at a certain distance and carry out continuous blow-down to these condensed fluids.
But, because on end user's pipelines such as oven, phenol water content is few, and the irritant smell of the material such as tar, phenols, be not suitable for continuous open discharge in factory building, it is bulky to add water-draining seal tank for gas, is not suitable for installing in plant building, therefore, the gas pipe line of factory building heating indoor stove blowdown generally all adopt the simple dry type Excretion Machine of mounting structure to solve, as shown in Figure 1, blowdown mode adopts periodic exhaustion.
The shortcoming of traditional this dry type Excretion Machine is that operating personnel cannot grasp condensed fluid emptying time accurately in the process of gas pipe line being carried out to draining, thus close water discharging valve in time, in addition, also cannot be blocked can be discharged in air with being mingled in a small amount of coal gas of discharging in condensed fluid, be had influence on operating personnel's safety.
Model utility content
The purpose of this utility model is to provide a kind of oven gas pipe line drainage device preventing coal gas excessive, described drainage device adopts valve, straight-through sight glass and the combined all-sealed structure of U-shaped water seal, realize the effective monitoring of whole operation process when draining carries out to oven gas pipe line, prevent coal gas excessive, and the reliable cut-out of coal gas when accomplishing non-operation, avoid personnel that gas poisoning occurs, guarantee the safety of operating personnel, during in order to solve present dry type Excretion Machine draining, there is excessive phenomenon sometimes in coal gas, cause operating personnel that gas poisoning occurs, threaten the problem of operating personnel's safety.
For achieving the above object, scheme of the present utility model is: a kind of oven gas pipe line drainage device preventing coal gas excessive, described drainage device is connected with the first blowdown valve (2) in turn in gas pipe line (1) outlet, first connecting tube (3), second blowdown valve (4), second connecting tube (5), 3rd connecting tube (7), 4th connecting tube (9), 3rd blowdown valve (10), 5th connecting tube (11), 4th blowdown valve (12) and drain pipe (13), connected by the first U-shaped water seal (8) between the 3rd described connecting tube (7) and the 4th connecting tube (9), between described the second connecting tube (5) and the 3rd connecting tube (7), straight-through sight glass (6) is installed, described straight-through sight glass (6) is provided with glass peephole.
According to the oven gas pipe line drainage device preventing coal gas excessive described in the utility model, the 4th described connecting tube (9) is provided with at least one the second U-shaped water seal.
According to the oven gas pipe line drainage device preventing coal gas excessive described in the utility model, the connection between each connecting tube and each blowdown valve adopts the Placement of flange and bolt and nut.
According to the oven gas pipe line drainage device preventing coal gas excessive described in the utility model, the second connecting tube (5) is all connected with straight-through sight glass (6) with bolt and nut by flange with the 3rd connecting tube (7).
According to the oven gas pipe line drainage device preventing coal gas excessive described in the utility model, the head end of described first U-shaped water seal (8) connects the 3rd connecting tube (7) by the mode of welding, and the tail end of described first U-shaped water seal (8) connects the 4th connecting tube (9) by the mode of welding.
The beneficial effect that the utility model reaches: the all-sealed structure that drainage device of the present utility model adopts valve, straight-through sight glass and U-shaped water seal combined, the effective monitoring of whole operation process when draining carries out to gas pipe line can be accomplished and prevent coal gas excessive, and the reliable cut-out of coal gas when accomplishing non-operation, avoid personnel that gas poisoning occurs, guarantee the safety of operating personnel, be adapted at blowdown mode adopt periodic exhaustion all kinds of in, low-pressure gas pipeline is applied, structure is simple, easy to use, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing dry type Excretion Machine;
Fig. 2 is drainage device structural representation of the present utility model.
In figure, gas pipe line 1, the first blowdown valve 2, first connecting tube 3, second blowdown valve 4, second connecting tube 5, straight-through sight glass 6, the 3rd connecting tube 7, first U-shaped water seal the 8, four connecting tube, 9, three blowdown valve the 10, five connecting tube the 11, four blowdown valve 12, drain pipe 13.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.
The design proposal that the application adopts valve, straight-through sight glass and U-shaped water seal combined; first; adopt straight-through sight glass can observe the principle of fluid flow; realize the process can monitoring whole draining when draining is carried out to gas pipe line; thus grasp condensed fluid emptying time accurately; timely closedown water discharging valve, available protecting job safety.
Secondly, by water storage, water storage certain principle absorbing gas pressure impact capacity can be had again in U-shaped water seal cavity volume, make, with being mingled in before a small amount of coal gas of discharging in condensed fluid is enclosed in U-shaped water seal, avoiding producing coal gas excessive in air, prevent operating personnel's gas poisoning.
In addition, adopt the method for mounted valve in U-shaped water seal outlet, the water storage that ensure that in U-shaped water seal can be kept at for a long time in U-shaped water seal cavity volume and not be evaporated, the reliable cut-out of coal gas when the combination of valve and U-shaped water seal ensure that non-operation.
Embodiment:
As shown in Figure 2, the drainage device of the application is arranged on gas pipe line minimum point, after gas pipe line 1, first blowdown valve 2 is installed, after described first blowdown valve 2, first connecting tube 3 is installed, after described first connecting tube 3, second blowdown valve 4 is installed, after described second blowdown valve 4, second connecting tube 5 is installed, after described second connecting tube 5, straight-through sight glass 6 is installed, after described straight-through sight glass 6, the 3rd connecting tube 7 is installed, after described 3rd connecting tube 7, first U-shaped water seal 8 is installed, after described first U-shaped water seal 8, the 4th connecting tube 9 is installed, installation one or n only the second U-shaped water seal optionally can be continued at described 4th connecting tube 9, after the 4th connecting tube 9, the 3rd blowdown valve 10 is installed, after described 3rd blowdown valve 10, the 5th connecting tube 11 is installed, after described 5th connecting tube 11, the 4th blowdown valve 12 is installed, after described 4th blowdown valve 12, drain pipe 13 is installed.
The straight-through sight glass of the present embodiment is provided with glass peephole, connection between each connecting tube and each blowdown valve adopts the Placement of flange and bolt and nut, connection between each connecting tube and straight-through sight glass also adopts the Placement of flange and bolt and nut, and the connection between each connecting tube and the first and second U-shaped water seals adopts welding connecting mode.
In the present embodiment, install one or n only the second U-shaped water seal is determined by the normal operating pressure of gas pipe line, the second U-shaped water seal adds up highly minimum need >=1 times normal operating pressure.According to the difference of gas pipe line containing phenol condensed fluid production, select the gas pipe line of respective diameters, blowdown valve, straight-through sight glass, U-shaped water seal and drain pipe.
The application's process is in use as follows: when preparing draining, the first step, checks that confirmation the 3rd blowdown valve 10 and the 4th blowdown valve 12 are closed; Second step, opens the first blowdown valve 2 and the second blowdown valve 4; 3rd step, after being seen by the glass peephole on straight-through sight glass and being full of condensed fluid in straight-through sight glass, slowly opens the 3rd blowdown valve 10 and the 4th blowdown valve 12 discharge water; 4th step, when seeing straight-through sight glass inner condensat liquid liquid level lower than straight-through sight glass caliber about 1/3rd by the glass peephole on straight-through sight glass, closes the first blowdown valve 2 and the second blowdown valve 4; 5th step, closes the 3rd blowdown valve 10 and the 4th blowdown valve 12, completes whole draining.
The all-sealed structure that drainage device of the present utility model adopts valve, straight-through sight glass and U-shaped water seal combined, the effective monitoring of whole operation process when draining carries out to gas pipe line can be accomplished and prevent coal gas excessive, and the reliable cut-out of coal gas when accomplishing non-operation, avoid personnel that gas poisoning occurs, guarantee the safety of operating personnel, be adapted at blowdown mode adopt periodic exhaustion all kinds of in, low-pressure gas pipeline is applied, structure is simple, easy to use, safe and reliable.
Claims (5)
1. the oven gas pipe line drainage device preventing coal gas excessive, it is characterized in that: described drainage device is connected with the first blowdown valve (2) in turn in gas pipe line (1) outlet, first connecting tube (3), second blowdown valve (4), second connecting tube (5), 3rd connecting tube (7), 4th connecting tube (9), 3rd blowdown valve (10), 5th connecting tube (11), 4th blowdown valve (12) and drain pipe (13), connected by the first U-shaped water seal (8) between the 3rd described connecting tube (7) and the 4th connecting tube (9), between described the second connecting tube (5) and the 3rd connecting tube (7), straight-through sight glass (6) is installed, described straight-through sight glass (6) is provided with glass peephole.
2. the oven gas pipe line drainage device preventing coal gas excessive according to claim 1, is characterized in that, the 4th described connecting tube (9) is provided with at least one the second U-shaped water seal.
3. the oven gas pipe line drainage device preventing coal gas excessive according to claim 1, it is characterized in that, the connection between each connecting tube and each blowdown valve adopts the Placement of flange and bolt and nut.
4. the oven gas pipe line drainage device preventing coal gas excessive according to claim 1, it is characterized in that, the second connecting tube (5) is all connected with straight-through sight glass (6) with bolt and nut by flange with the 3rd connecting tube (7).
5. the oven gas pipe line drainage device preventing coal gas excessive according to claim 1, it is characterized in that, the head end of described first U-shaped water seal (8) connects the 3rd connecting tube (7) by the mode of welding, and the tail end of described first U-shaped water seal (8) connects the 4th connecting tube (9) by the mode of welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520752068.5U CN205048163U (en) | 2015-09-25 | 2015-09-25 | Prevent excessive heating furnace gas piping waste fitting discharging of coal gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520752068.5U CN205048163U (en) | 2015-09-25 | 2015-09-25 | Prevent excessive heating furnace gas piping waste fitting discharging of coal gas |
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| Publication Number | Publication Date |
|---|---|
| CN205048163U true CN205048163U (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520752068.5U Active CN205048163U (en) | 2015-09-25 | 2015-09-25 | Prevent excessive heating furnace gas piping waste fitting discharging of coal gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115750986A (en) * | 2022-11-22 | 2023-03-07 | 重庆钢铁股份有限公司 | Leakage stopping device for water beam stand column blow-off pipe of stepping heating furnace |
-
2015
- 2015-09-25 CN CN201520752068.5U patent/CN205048163U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115750986A (en) * | 2022-11-22 | 2023-03-07 | 重庆钢铁股份有限公司 | Leakage stopping device for water beam stand column blow-off pipe of stepping heating furnace |
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