CN215842525U - Simple gas automatic mixing pipe network - Google Patents
Simple gas automatic mixing pipe network Download PDFInfo
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- CN215842525U CN215842525U CN202122493840.4U CN202122493840U CN215842525U CN 215842525 U CN215842525 U CN 215842525U CN 202122493840 U CN202122493840 U CN 202122493840U CN 215842525 U CN215842525 U CN 215842525U
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Abstract
The utility model discloses a simple automatic gas mixing pipe network, which comprises a gas mixing pipe with two closed ends; the gas mixing pipe is connected with a blast furnace gas source and a mixed gas user; the gas mixing pipe is connected with the gas mixing pipe; the gas storage tank is characterized by also comprising a converter gas buffer gas holder, wherein the gas inlet of the converter gas buffer gas holder is connected with a converter gas source, and the gas outlet of the converter gas buffer gas holder is connected with a pressurizing pipe; the gas buffer tank is characterized by also comprising a pressurizer, wherein the pressurizer is arranged on a pressurizing pipe at the outlet end of the converter gas buffer tank; the air pressure in the pressurizing pipe is larger than that in the gas mixing pipe. The gas automatic mixing pipe network with the structure utilizes the pressure difference to automatically mix the blast furnace gas and the converter gas, does not need a complex automatic control mode, does not need to be provided with a special post for management, greatly simplifies the equipment of a factory, and improves the economic benefit.
Description
Technical Field
The utility model relates to a pipe network for automatically mixing blast furnace gas and converter gas.
Background
In order to fully utilize various gases and effectively mix the gases for various productions with different heat value requirements, most of ferrous metallurgy enterprises set a complex gas mixing station with large investment and need to configure a full-time attendant for monitoring. The existing gas mixing station is complex in arrangement, more in valves and piping systems, and more in capital investment due to the fact that a set of control system is needed. Most design units adopt standard configuration setting aiming at a mixing station, but enterprises with low requirement on heat value have the problem of low utilization rate. In addition, after the standard gas mixing station is adopted, a computer control background is often required to be arranged, and a special post is required to be configured.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a simple automatic gas mixing pipe network, which can realize uniform mixing of blast furnace gas and converter gas without complicated control technology.
In order to solve the technical problems, the technical scheme of the utility model is as follows: a simple gas automatic mixing pipe network comprises a gas mixing pipe with two closed ends; the gas mixing pipe is connected with a blast furnace gas source and a mixed gas user; the gas mixing pipe is connected with the gas mixing pipe; the gas source of the converter gas buffer gas holder is connected with a gas source of the converter gas, and the gas outlet of the gas source of the converter gas buffer gas holder is connected with a pressurizing pipe; the air pressure in the pressurizing pipe is larger than that in the gas mixing pipe. The principle of the utility model is to mix by using the pressure difference between the pressurizing pipe and the gas mixing pipe. The gas pressure at the gas source outlet of the blast furnace gas is high, and the gas can be injected into the gas mixing pipe without pressurization, while the gas pressure at the gas source outlet of the converter gas is very low, and the gas pressure in the gas mixing pipe can be higher than that in the gas mixing pipe only after the gas is stored for a period of time by the gas buffer gas holder of the converter and pressurized by the pressurizer.
As a modification, the pressurizing pipe is parallel to the gas mixing pipe and is connected with the gas mixing pipe by using an inclined pipe. The pressurization pipe is parallel to the gas mixing pipe to reduce the occupation of the field, and the inclined pipe is arranged to reduce the loss of the gas pressure.
As an improvement, the included angle between the inclined pipe and the gas mixing pipe is less than 45 degrees.
Preferably, a diffusing tower is arranged on the gas mixing pipe, and an electric valve is arranged on the diffusing tower; the gas mixing pipe is characterized by also comprising a pressure sensor for detecting the gas pressure in the gas mixing pipe, wherein the pressure sensor is electrically connected with the electric valve. When the pressure sensor senses that the pressure in the gas mixing pipe exceeds the standard, the electric door is automatically opened to release the pressure.
As an improvement, an adjusting valve group is arranged on the pressurizing pipe after the pressurizing machine. When the gas of the converter is insufficient, the regulating valve group can be closed.
Preferably, stop valve groups are arranged between the blast furnace gas source and the gas mixing pipe, between the mixed gas user and the gas mixing pipe and on the gas mixing pipe. On the one hand, the cutting is effective, and on the other hand, the using amount can be adjusted according to production requirements.
Preferably, the stop valve group comprises a blind valve and two electric butterfly valves arranged in front of and behind the blind valve. According to the safety standard of metallurgical gas, all branch pipe valves must be effectively cut off, so a blind plate valve must be added, and the branch pipe valves cannot be completely cut off only by using the butterfly valve sealing grade. In order to reduce the gas leakage rate during the operation of the blind plate valve, butterfly valves are required to be added at two ends of the blind plate valve.
As an improvement, a stop valve group on the gas mixing pipe is arranged in the middle of the gas mixing pipe.
As an improvement, the mixed gas users comprise production users and power generation users.
As an improvement, the air pressure in the gas mixing pipe is 17-20 KPa, and the air pressure in the pressurizing pipe is 20-22 KPa.
The utility model has the advantages that: the gas automatic mixing pipe network with the structure utilizes the pressure difference to automatically mix the blast furnace gas and the converter gas, does not need a complex automatic control mode, does not need to be provided with a special post for management, greatly simplifies the equipment of a factory, and improves the economic benefit.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
The labels in the figure are: 1 gas mixing pipeline, 2 pressurizing pipes, 3 converter gas buffer gas holder, 4 diffusing tower, 5 pressurizing machine, 6 blast furnace gas source, 7 converter gas source, 8 production user, 9 power generation user and 10 inclined pipes.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the present invention will be further described in detail with reference to the following embodiments.
As shown in fig. 1, the present invention comprises a gas mixing pipe 1 closed at both ends; the gas mixing pipe 1 is connected with a blast furnace gas source 6 and a mixed gas user; the mixed gas users include a production user 8 and a power generation user 9. The gas mixing device also comprises a pressurizing pipe 2 connected with the gas mixing pipe 1; the gas storage device also comprises a converter gas buffer gas holder 3, wherein a gas inlet of the converter gas buffer gas holder 3 is connected with a converter gas source 7, and a gas outlet is connected with the pressurizing pipe 2; the device also comprises a pressurizer 5, wherein the pressurizer 5 is arranged on a pressurizing pipe 2 at the outlet end of the converter gas buffer gas holder 3; the presser 5 is generally provided in series with two, one of which is on standby. The pressure in the pressurizing pipe 2 is greater than the pressure in the gas mixing pipe 1. Specifically, the air pressure in the gas mixing pipe 1 is 17-20 KPa, and the air pressure in the pressurizing pipe 2 is 20-22 KPa.
The pressurizing pipe 2 is parallel to the gas mixing pipe 1 and is connected with the gas mixing pipe 1 by an inclined pipe 10. Preferably, the inclined tube 10 and the gas mixing tube 1 form an angle of less than 45 degrees.
The gas mixing pipe 1 is provided with a diffusion tower 4, and the diffusion tower 4 is provided with an electric valve; the gas mixing pipe is characterized by also comprising a pressure sensor for detecting the gas pressure in the gas mixing pipe, wherein the pressure sensor is electrically connected with the electric valve. When the pressure sensor senses that the air pressure in the gas mixing pipe 1 is greater than 20KPa, the electric valve is started to release the pressure. The electric valve is preferably an electric butterfly valve. The diffusing tower 4 adopts passive electronic ignition without burning gas, thus saving energy cost.
Stop valve groups are arranged between the blast furnace gas source 6 and the gas mixing pipe 1, between the mixed gas user and the gas mixing pipe 1 and on the gas mixing pipe 1. The stop valve group on the gas mixing pipe 1 is arranged in the middle of the gas mixing pipe 1. The stop valve group comprises a blind plate valve and two electric butterfly valves arranged in front of and behind the blind plate valve.
It is also possible to provide a regulating valve group on the pressurization pipe 2 after the pressurization machine 5. The regulating valve group also comprises a blind plate valve and two electric butterfly valves arranged in front of and behind the blind plate valve.
Under the normal production condition, except that the electric valve on the diffusing tower 4 is automatically arranged and the regulating valve group is manually intervened when the converter gas is insufficient, other valve groups are in a normally open state. After the gas of the system is balanced, all gas production points and gas utilization points are kept balanced, and an electric valve on the diffusing tower is automatically opened for ignition and diffusion when special conditions such as ultrahigh pressure of a pipe network occur.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the utility model, and these modifications and adaptations should be considered within the scope of the utility model.
Claims (10)
1. A simple and easy coal gas automatic mixing pipe network which characterized in that: comprises a gas mixing pipe with two closed ends; the gas mixing pipe is connected with a blast furnace gas source and a mixed gas user; the gas mixing pipe is connected with the gas mixing pipe; the gas storage tank is characterized by also comprising a converter gas buffer gas holder, wherein the gas inlet of the converter gas buffer gas holder is connected with a converter gas source, and the gas outlet of the converter gas buffer gas holder is connected with a pressurizing pipe; the gas buffer tank is characterized by also comprising a pressurizer, wherein the pressurizer is arranged on a pressurizing pipe at the outlet end of the converter gas buffer tank; the air pressure in the pressurizing pipe is larger than that in the gas mixing pipe.
2. The simple automatic gas mixing pipe network of claim 1, wherein: the pressurizing pipe is parallel to the gas mixing pipe and is connected with the gas mixing pipe by an inclined pipe.
3. The simple automatic gas mixing pipe network of claim 2, wherein: the included angle between the inclined pipe and the gas mixing pipe is less than 45 degrees.
4. The simple automatic gas mixing pipe network of claim 1, wherein: the gas mixing pipe is provided with a diffusion tower, and the diffusion tower is provided with an electric valve; the gas mixing pipe is characterized by also comprising a pressure sensor for detecting the gas pressure in the gas mixing pipe, wherein the pressure sensor is electrically connected with the electric valve.
5. The simple automatic gas mixing pipe network of claim 1, wherein: and an adjusting valve group is arranged on the pressurizing pipe behind the pressurizing machine.
6. The simple automatic gas mixing pipe network of claim 1, wherein: stop valve groups are arranged between the blast furnace gas source and the gas mixing pipe, between the mixed gas user and the gas mixing pipe and on the gas mixing pipe.
7. The simple automatic gas mixing pipe network of claim 6, wherein: the stop valve group comprises a blind plate valve and two electric butterfly valves arranged in front of and behind the blind plate valve.
8. The simple automatic gas mixing pipe network of claim 6, wherein: the stop valve group on the gas mixing pipe is arranged in the middle of the gas mixing pipe.
9. The simple automatic gas mixing pipe network of claim 1, wherein: the mixed gas users comprise production users and power generation users.
10. The simple automatic gas mixing pipe network of claim 1, wherein: the air pressure in the gas mixing pipe is 17-20 KPa, and the air pressure in the pressurizing pipe is 20-22 KPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122493840.4U CN215842525U (en) | 2021-10-15 | 2021-10-15 | Simple gas automatic mixing pipe network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122493840.4U CN215842525U (en) | 2021-10-15 | 2021-10-15 | Simple gas automatic mixing pipe network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215842525U true CN215842525U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122493840.4U Active CN215842525U (en) | 2021-10-15 | 2021-10-15 | Simple gas automatic mixing pipe network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215842525U (en) |
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2021
- 2021-10-15 CN CN202122493840.4U patent/CN215842525U/en active Active
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