CN102168804A - Oxygen-enriched air distribution device - Google Patents
Oxygen-enriched air distribution device Download PDFInfo
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- CN102168804A CN102168804A CN 201110036372 CN201110036372A CN102168804A CN 102168804 A CN102168804 A CN 102168804A CN 201110036372 CN201110036372 CN 201110036372 CN 201110036372 A CN201110036372 A CN 201110036372A CN 102168804 A CN102168804 A CN 102168804A
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Abstract
The invention relates to an oxygen-enriched air distribution device which comprises at least one oxygen-enriched air distribution device (10). A first oxygen conveying pipe (15) is connected in series with a first oxygen inlet valve (5) and a first pneumatic valve (51); an air inlet valve (2) is arranged in an air supplying pipe (21); a second oxygen conveying pipe (17) which is connected in series with the first oxygen inlet valve (5) and the first pneumatic valve (51) is communicated with the air supplying pipe (21); the second oxygen conveying pipe (17) and the air supplying pipe (21) are communicated with one end of a first mixing pipe (19); the other end of the first mixing pipe (19) is connected with an inlet of an drought fan (7); an outlet of the draught fan (7) is connected with one end of a second mixing pipe (23); the other end of the second mixing pipe (23) is respectively communicated with an air discharging pipe (25) and one end of a third mixing pipe (27); the air discharging pipe (25) is provided with an air discharging valve (3) internally; the third mixing pipe (27) is internally provided with a second pneumatic valve (61) and an oxygen outlet valve (6) which are connected in series; and the other end of the third mixing pipe (27) is communicated with users (35).
Description
Technical field
The present invention relates to a kind of oxygen-enriched air dispensing device, the particularly a kind of dispensing device that can adjust oxygen-rich concentration in the air supply.
Background technique
Field such as existing metallurgy, chemical industry, glass, boiler coal gas make and production field in, usually need to adopt the oxygen-enriched air concentration dispenser of allocating by control gear.Oxygen-enriched continuous gasification is a kind of normal pressure continuous gasification process that grows up on intermittent gasification technology basis, and its flow process and equipment and intermittent gasification are basic identical.Main preparation process is: the pure oxygen and the air mixing of coming from air separation facility, according to the needs of gas with various raw material, by adjusting the size of supplying with the valve opening degree, it is 25%～96% oxygen-enriched air that pure oxygen and air are configured to volume ratio.
In addition, make low pressure steam behind the suitable vapour of Flow-rate adjustment control/gas ratio, enter mixer with oxygen-enriched air, enter the gasification oven bottom after fully mixing, upward coal gas is got in blowing continuously.
Existing above-mentioned all regulating and controlling means exist too problems such as complexity, instrument actuator fault height of structure usually.When operator start shooting or during power-off operation, need frequent unlatching or the closed position of adjusting gate valve and Pneumatic butterfly valve, the adjustment time is longer relatively, and the emptying amount of mixed gas is bigger simultaneously.
As shown in Figure 1, according to existing oxygen-enriched air preparation method: gate valve 2 before the standard-sized sheet oxygen house steward gate valve 1 during original driving, billing machine air intlet pipeline starts the motor of blower fan 7, open outlet line atmospheric valve 3, after blower fan 7 works well, suitably open the Pneumatic butterfly valve 4 in the big air intlet pipeline, slowly open oxygen inlet valve 5, after manual inspection or the online detection of detection device, regulate required oxygen-enriched air concentration, open unit outlet valve 6 again, close atmospheric valve 3.For the plus-minus of oxygen-enriched air concentration, can be by regulating air butterfly valve 4 and 5 realizations of oxygen inlet valve.When stopping, close oxygen outlet valve 6 and oxygen inlet valve 5, press stop button, open atmospheric valve 3, treat to close atmospheric valve 3 after blower fan 7 shuts down.In normal when falling the machine, can not open atmospheric valve 3.
From above configuration finite concentration oxygen-enriched air step as can be seen, whole process length consuming time, step is many, the hand switch valve is many, when the user changes raw material or adjusts required oxygen-rich concentration, Pneumatic butterfly valve 4 and oxygen inlet valve 5 need be used, and it is frequent to regulate operation, and this oxygen-enriched air dispenser can bring certain adverse effect to use.
Summary of the invention
Many at oxygen-enriched air concentration air-distributing device flow process middle controller in the present prior art, mean of calculating is too complicated, problems such as instrument actuator fault takes place frequently, in a kind of oxygen-enriched air dispensing device provided by the invention, pass through suitably to adjust the Pneumatic butterfly valve position, adjust fan operation platform number, shorten the regulation and control time, reduce system's emptying amount.According to a kind of oxygen-enriched air dispensing device provided by the invention, it comprises at least one cover oxygen-enriched air dispenser, wherein first oxygen conveying pipe is connected with the first oxygen intake valve and first pneumatic valve, the air inlet valve is set in air supply pipe, second oxygen conveying pipe of connecting with the first oxygen intake valve and first pneumatic valve is communicated with air supply pipe, described second oxygen conveying pipe and air supply pipe are communicated with an end of first mixing tube, the other end of described first mixing tube connects the inlet of blower fan, the outlet of described blower fan connects an end of second mixing tube, the other end of described second mixing tube is communicated with an end of blow-down pipe and the 3rd mixing tube respectively, in described blow-down pipe, atmospheric valve is set, second pneumatic valve and the oxygen outlet valve of series connection are set in described the 3rd mixing tube, and the other end of described the 3rd mixing tube is communicated with the user.
According to another kind of oxygen-enriched air dispensing device provided by the invention, comprising many covers oxygen-enriched air dispenser parallel with one another, wherein respectively overlap the end that each first oxygen conveying pipe in the oxygen-enriched air dispenser parallel with one another is communicated with the oxygen supply main respectively, the other end of described oxygen supply main is communicated with the oxygen supplier, and the second oxygen intake valve and the 3rd pneumatic valve of series connection is set in described oxygen supply main.
According to another kind of oxygen-enriched air dispensing device provided by the invention, the wherein said the other end that respectively overlaps described the 3rd mixing tube in the oxygen-enriched air dispenser parallel with one another is communicated with the user by the delivery main.
According to another kind of oxygen-enriched air dispensing device provided by the invention, the wherein said first oxygen intake valve, the second oxygen intake valve, atmospheric valve and oxygen outlet valve are gate valves, described first pneumatic valve and second pneumatic valve are repid cut-off valves, and the 3rd pneumatic valve is the can regulate butterfly valve.
Description of drawings
Fig. 1 is the schematic representation of a kind of oxygen-enriched air dispensing device of available technology adopting.
Fig. 2 is the schematic representation of improved a kind of oxygen-enriched air dispensing device provided by the invention.
Embodiment
As shown in Figure 2, in a kind of oxygen-enriched air dispensing device provided by the invention, it comprises three covers oxygen-enriched air dispenser 10 parallel with one another.Wherein respectively overlap the end that each first oxygen conveying pipe 15 in the oxygen-enriched air dispenser 10 parallel with one another is communicated with oxygen supply main 13 respectively, the other end of described oxygen supply main 13 is communicated with oxygen supplier 12, sets gradually the second oxygen intake valve 1 and the 3rd pneumatic valve 11 of series connection in described oxygen supply main 13.
In Fig. 2, first oxygen conveying pipe 15 with connect with the first oxygen intake valve 5 and first pneumatic valve 51 successively.Air inlet valve 2 is set in air supply pipe 21, second oxygen conveying pipe 17 of connecting with the first oxygen intake valve 5 and first pneumatic valve 51 is communicated with air supply pipe 21, described second oxygen conveying pipe 17 and air supply pipe 21 are communicated with an end of first mixing tube 19, the other end of described first mixing tube 19 connects the inlet of blower fan 7, the outlet of described blower fan 7 connects an end of second mixing tube 23, and the other end of described second mixing tube 23 is communicated with an end of blow-down pipe 25 and the 3rd mixing tube 27 respectively.In described blow-down pipe 25, atmospheric valve 3 is set, second pneumatic valve 61 and the oxygen outlet valve 6 of series connection is set in described the 3rd mixing tube 27.
In the embodiment shown in Figure 2, each overlaps the other end of described the 3rd mixing tube 27 in the oxygen-enriched air dispenser 10 parallel with one another by delivery main 33 connection users 35.
In embodiment provided by the invention, the described first oxygen intake valve 5, the second oxygen intake valve 1, atmospheric valve 3 and oxygen outlet valve 6 are gate valves.Described first pneumatic valve 51 and second pneumatic valve 61 are repid cut-off valves.The 3rd pneumatic valve 11 is can regulate butterfly valves.
According to oxygen-enriched air dispenser provided by the invention, its operating process is as follows:
When starting shooting first, gate valve 1 in the standard-sized sheet oxygen supply main 13, open the first oxygen intake valve 5, oxygen outlet valve 6 and first pneumatic valve 51 in one or more groups oxygen-enriched air dispenser 10, open the air inlet valve 2 in the air supply pipe 21, open the atmospheric valve 3 in the blow-down pipe 25.Start the motor of blower fan 7, drive the 3rd pneumatic control valve 11 slightly, when treating that oxygen concentration meets demand, open second pneumatic valve 61 in the 3rd mixing tube 27, close the atmospheric valve 3 in the blow-down pipe 25.During parking, close second pneumatic valve 61 and first pneumatic valve 51.During daily start, only need open first pneumatic valve 51 and second pneumatic valve 61 gets final product, required oxygen-rich concentration is finished by regulating the 3rd pneumatic valve 11.
The foregoing description only is that oxygen-enriched air dispenser provided by the invention is described, and is not to limit.Content that the present invention is claimed and scope are documented in claims of the present invention.
Claims (4)
1. oxygen-enriched air dispensing device, it comprises at least one cover oxygen-enriched air dispenser (10), it is characterized in that: first oxygen conveying pipe (15) is connected with the first oxygen intake valve (5) and first pneumatic valve (51), air inlet valve (2) is set in air supply pipe (21), second oxygen conveying pipe (17) of connecting with the first oxygen intake valve (5) and first pneumatic valve (51) is communicated with air supply pipe (21), described second oxygen conveying pipe (17) and air supply pipe (21) are communicated with an end of first mixing tube (19), the other end of described first mixing tube (19) connects the inlet of blower fan (7), the outlet of described blower fan (7) connects an end of second mixing tube (23), the other end of described second mixing tube (23) is communicated with an end of blow-down pipe (25) and the 3rd mixing tube (27) respectively, atmospheric valve (3) is set in described blow-down pipe (25), second pneumatic valve (61) and the oxygen outlet valve (6) of series connection are set in described the 3rd mixing tube (27), and the other end of described the 3rd mixing tube (27) is communicated with user (35).
2. according to the described oxygen-enriched air dispensing device of claim 1, it is characterized in that: comprise many covers oxygen-enriched air dispenser (10) parallel with one another, wherein respectively overlap the end that each first oxygen conveying pipe (15) in the oxygen-enriched air dispenser (10) parallel with one another is communicated with oxygen supply main (13) respectively, the other end of described oxygen supply main (13) is communicated with oxygen supplier (12), and the second oxygen intake valve (1) and the 3rd pneumatic valve (11) of series connection is set in described oxygen supply main (13).
3. according to the described oxygen-enriched air dispensing device of claim 2, it is characterized in that: the described the other end that respectively overlaps described the 3rd mixing tube (27) in the oxygen-enriched air dispenser (10) parallel with one another is communicated with user (35) by delivery main (33).
4. according to the described oxygen-enriched air dispensing device of claim 2, it is characterized in that: the described first oxygen intake valve (5), the second oxygen intake valve (1), atmospheric valve (3) and oxygen outlet valve (6) are gate valves, described first pneumatic valve (51) and second pneumatic valve (61) are repid cut-off valves, and the 3rd pneumatic valve (11) is the can regulate butterfly valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110036372A CN102168804B (en) | 2011-02-11 | 2011-02-11 | Oxygen-enriched air distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110036372A CN102168804B (en) | 2011-02-11 | 2011-02-11 | Oxygen-enriched air distribution device |
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| Publication Number | Publication Date |
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| CN102168804A true CN102168804A (en) | 2011-08-31 |
| CN102168804B CN102168804B (en) | 2012-10-10 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU815433A1 (en) * | 1979-02-27 | 1981-03-23 | Предприятие П/Я А-3244 | Apparatus for air separation units control |
| SU1043443A1 (en) * | 1981-03-27 | 1983-09-23 | Производственно-техническое предприятие Специализированного треста "Укрэнергочермет" | Plant for cleaning argon from oxygen and nitrogen |
| EP1188843A1 (en) * | 2000-09-18 | 2002-03-20 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process and installation for supplying oxygen enriched air to a production unit of non-ferrous metals |
| US20050061148A1 (en) * | 2001-10-11 | 2005-03-24 | Thomas Johansson | Process and device in connection with the production of oxygen or oxygen enriched air |
| CN101482223A (en) * | 2008-05-28 | 2009-07-15 | 上海启元空分技术发展有限公司 | Air distributing device and method |
-
2011
- 2011-02-11 CN CN201110036372A patent/CN102168804B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU815433A1 (en) * | 1979-02-27 | 1981-03-23 | Предприятие П/Я А-3244 | Apparatus for air separation units control |
| SU1043443A1 (en) * | 1981-03-27 | 1983-09-23 | Производственно-техническое предприятие Специализированного треста "Укрэнергочермет" | Plant for cleaning argon from oxygen and nitrogen |
| EP1188843A1 (en) * | 2000-09-18 | 2002-03-20 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process and installation for supplying oxygen enriched air to a production unit of non-ferrous metals |
| US20050061148A1 (en) * | 2001-10-11 | 2005-03-24 | Thomas Johansson | Process and device in connection with the production of oxygen or oxygen enriched air |
| CN101482223A (en) * | 2008-05-28 | 2009-07-15 | 上海启元空分技术发展有限公司 | Air distributing device and method |
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| Publication number | Publication date |
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| CN102168804B (en) | 2012-10-10 |
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