CN211971769U - Recycling device for oxygen-enriched waste gas of glass production line - Google Patents
Recycling device for oxygen-enriched waste gas of glass production line Download PDFInfo
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- CN211971769U CN211971769U CN201921679826.XU CN201921679826U CN211971769U CN 211971769 U CN211971769 U CN 211971769U CN 201921679826 U CN201921679826 U CN 201921679826U CN 211971769 U CN211971769 U CN 211971769U
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Abstract
The utility model discloses a glass production line is to recovery recycling device of oxygen boosting waste gas, including cold box, clarifier device, ordinary pressure buffer tank and pipeline, the cold box with the clarifier device passes through the pipeline intercommunication, and the clarifier device passes through pipe connection ordinary pressure gas holder one side, ordinary pressure gas holder opposite side passes through the pipeline intercommunication with the roots fan, the roots fan leads to the gas station through the pipeline, be provided with preceding butterfly valve on the pipeline between ordinary pressure gas holder and the roots fan, still be provided with the back stop valve on the pipeline between roots fan and the gas station. The oxygen-enriched waste gas is conveyed to a gas furnace of a gas station for use, so that the calorific value of the gas is increased from 1450 to about 1550 kilocalories, and the use amount of part of raw coal is reduced.
Description
Technical Field
The utility model relates to an oxygen boosting waste gas recovery recycles technical field, especially relates to a glass production line is to recovery of oxygen boosting waste gas and recycles device.
Background
The 500T/d glass production line is matched with an FN-1700/40Y type air separation device (one used and one standby) and the 800T/d glass production line is matched with an FDN-2450/60Y type air separation device (one used and one standby). However, in the original design, oxygen-enriched waste gas generated by the two sets of air separation devices is discharged into the atmosphere after a part of the oxygen-enriched waste gas passes through the cold box and is used as regeneration gas of the purifier device, and a part of residual gas is directly discharged into the atmosphere.
The model of an air separation device FN-1700/40Y matched with a 500T/d glass production line and the nitrogen yield of 1700Nm3H, the oxygen content of the waste nitrogen discharged from the cooling box is about 45 percent, and the flow rate of the waste nitrogen is about 1500Nm3H is used as the reference value. The model FDN-2450/60Y of the air separation device matched with the 800T/d glass production line and the nitrogen yield of 2450Nm3H, the oxygen content of the waste nitrogen discharged from the cooling box is about 47 percent, and the flow rate of the waste nitrogen is about 2000Nm3H is used as the reference value. The part of gas is directly discharged without being utilized, and a part of electric energy is wasted, and the atmosphere is polluted, so that the technical problem that the technical personnel in the field needs to solve is to provide a new device for recycling the oxygen-rich waste gas.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a glass production line is to recycling device of oxygen boosting waste gas
The utility model provides a glass production line is to recovery recycling device of oxygen boosting waste gas, including cold box, clarifier device, ordinary pressure buffer tank and pipeline, the cold box with the clarifier device passes through the pipeline intercommunication, and the clarifier device passes through pipe connection ordinary pressure gas holder one side, ordinary pressure gas holder opposite side passes through the pipeline intercommunication with the roots fan, the roots fan leads to the gas station through the pipeline, be provided with preceding butterfly valve on the pipeline between ordinary pressure gas holder and the roots fan, still be provided with the back stop valve on the pipeline between roots fan and the gas station.
The further scheme is that a pipeline between the cold box and the purifier is DN 150.
The further scheme is that DN150 pipelines are selected as internal pipelines of the purifier.
The further scheme is that a pipeline between the normal-pressure gas storage tank and the gas station is a DN200 pipeline.
The further proposal is that the model of the Roots blower RRE-145-NY has the flow of 36.7m3Min, exhaust pressure 9.8 kpa.
The further proposal is that the Roots blower has the model 3HE-200-NY and the flow rate of 38m3Min, exhaust pressure 15 kpa.
Preferably, the number of the Z fans is two, and one fan is used and the other fan is prepared.
More preferably, the gas storage tank is 10m3。
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) conveying the oxygen-enriched waste gas to a gas furnace of a gas station for use, so that the heat value of the gas is increased from 1450 kilocalories to about 1550 kilocalories, and the use amount of a part of raw coal is reduced;
(2) by recycling the oxygen-enriched waste gas, the emission is reduced, the waste utilization rate is increased, and the benefit is further increased;
(3) the device has simple structure and is convenient for practical application and operation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1 cold box, 2 purifier devices, 3 normal pressure gas holders, 4 back stop valves, 5 roots blower, 6 front butterfly valves, 7 gas stations, 8 pipelines.
Detailed Description
The present invention will be further explained with reference to the drawings and the embodiments.
Example 1
As shown in fig. 1, the utility model provides a glass production line is to recovery recycling device of oxygen boosting waste gas, including cold box 1, clarifier device 2, ordinary pressure buffer tank 3 and pipeline 8, cold box 1 with clarifier device 2 passes through pipeline 8 intercommunication, and clarifier device 2 passes through pipeline 8 and connects ordinary pressure gas holder 3 one side, 3 opposite sides of ordinary pressure gas holder pass through pipeline 8 intercommunication with roots's fan 6, roots's fan 5 leads to the gas station through pipeline 8, be provided with preceding butterfly valve 6 on the pipeline 8 between ordinary pressure gas holder 3 and the roots's fan 5, still be provided with the back stop valve on the pipeline between roots's fan and the gas station.
The FN-1770/40Y type air separation device matched with the 500t/d glass production line, dirty nitrogen enters the purifier device through a cold box pipeline, passes through a regenerated gas inlet adsorption cylinder and a regenerated gas outlet adsorption cylinder, and is additionally provided with a 10m set of adsorption cylinder connected with a pipeline opening of a regenerated gas air release valve through a pipeline3The top of the normal pressure buffer tank is additionally provided with a free breathing filter device which is used for preventing the pressure in the fractionating tower from being ultrahigh due to the shutdown of the post-stage equipment and causing a series of safety accidents. Then the waste nitrogen gas in the gas storage tank enters a Roots blower through a pipeline and is pressurized and sent into an air suction opening of a combustion fan of a gas station.
After the purifier device regenerates, the discharged waste nitrogen gas and a part of the residual waste nitrogen gas discharged from a cold box of the fractionating tower are combined through a pipeline, the pressure is 0.025Mpa, the temperature is about 12 ℃, and then the waste nitrogen gas enters a pipe with the diameter of 10m3The normal pressure buffer gas storage tank is pressurized by the Roots blower, and then the Roots blower model RRE-145-NY is additionally arranged on a 500T/d glass production line with the flow of 36.7m3And/min, the exhaust pressure is 9.8kpa, and the gas is conveyed to the inlet of a combustion fan of a gas furnace of a gas station.
Wherein, the pipeline between the cold box 1 and the purifier device 2 is DN150, the pipeline inside the purifier device 2 is DN150, the pipeline between the normal pressure gas storage tank 3 and the gas station 7 is DN200, the model RRE-145-NY of the Roots blower 5 and the flow 36.7m3Min, the exhaust pressure is 9.8kpa, two Roots blowers 5 are arranged, one is used and the other is standby, and the pressure storage tank 3 is 10m3。
Example 2
As shown in fig. 1, the utility model provides a glass production line is to recovery recycling device of oxygen boosting waste gas, including cold box 1, clarifier device 2, ordinary pressure buffer tank 3 and pipeline 8, cold box 1 with clarifier device 2 passes through pipeline 8 intercommunication, and clarifier device 2 passes through pipeline 8 and connects ordinary pressure gas holder 3 one side, 3 opposite sides of ordinary pressure gas holder pass through pipeline 8 intercommunication with roots's fan 6, roots's fan 5 leads to the gas station through pipeline 8, be provided with preceding butterfly valve 6 on the pipeline 8 between ordinary pressure gas holder 3 and the roots's fan 5, still be provided with the back stop valve on the pipeline between roots's fan and the gas station.
An FDN-2450/60Y-type air separation device matched with an 800t/d glass production line is characterized in that waste nitrogen enters a purifier device through a cold box pipeline, enters an adsorption cylinder through regenerated gas, is discharged from the adsorption cylinder and is connected with a pipeline opening of a regenerated gas air release valve through a pipeline to form a 10 m-type air separation device3The top of the normal pressure buffer tank is additionally provided with a free breathing filter device which is used for preventing the pressure in the fractionating tower from being ultrahigh due to the shutdown of the post-stage equipment and causing a series of safety accidents. Then the waste nitrogen gas in the gas storage tank enters a Roots blower through a pipeline and is pressurized and sent into an air suction opening of a combustion fan of a gas station.
After the purifier device regenerates, the discharged waste nitrogen gas and a part of the residual waste nitrogen gas discharged from a cold box of the fractionating tower are combined through a pipeline, the pressure is 0.025Mpa, the temperature is about 12 ℃, and then the waste nitrogen gas enters a pipe with the diameter of 10m3The gas storage tank is buffered at normal pressure, then the gas storage tank is pressurized by a Roots blower 5, the model of an air separation device FDN-2450/60Y is matched with an 800T/d glass production line, the nitrogen yield is 2450Nm3H, the oxygen content of the waste nitrogen discharged from the cooling box is about 47 percent, and the flow rate of the waste nitrogen is about 2000Nm3And h, conveying the mixture to an inlet of a combustion fan of a gas furnace of a gas station.
Wherein, the pipeline between the cold box 1 and the purifier device 2 is DN150, the pipeline inside the purifier device 2 is DN150, the pipeline between the normal pressure gas storage tank 3 and the gas station 7 is DN200, the model RRE-145-NY of the Roots blower 5 and the flow 36.7m3Min, the exhaust pressure is 9.8kpa, two Roots blowers 5 are arranged, one is used and the other is standby, and the pressure storage tank 3 is 10m3。
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (8)
1. The device for recycling the oxygen-enriched waste gas in the glass production line is characterized by comprising a cold box, a purifier device, a normal-pressure buffer tank and a pipeline, wherein the cold box is communicated with the purifier device through the pipeline, the purifier device is connected with one side of a normal-pressure gas storage tank through the pipeline, the other side of the normal-pressure gas storage tank is communicated with a Roots blower through the pipeline, the Roots blower is communicated with a gas station through the pipeline, a front butterfly valve is arranged on the pipeline between the normal-pressure gas storage tank and the Roots blower, and a rear stop valve is further arranged on the pipeline between the Roots blower and the gas station.
2. An apparatus for recycling oxygen-rich exhaust gas in a glass production line as claimed in claim 1, wherein DN150 pipeline is selected as the pipeline between the cooling tank and the purifier.
3. The apparatus for recycling oxygen-rich exhaust gas in a glass production line according to claim 2, wherein DN150 pipeline is selected as the internal pipeline of the purifier.
4. The device for recycling oxygen-enriched waste gas in a glass production line according to claim 1, wherein DN200 pipeline is selected as the pipeline between the normal-pressure gas storage tank and the gas station.
5. An oxygen-rich waste gas recycling device for a glass production line as claimed in claim 1, wherein the Roots blower model RRE-145-NY has a flow rate of 36.7m3Min, exhaust pressure 9.8 kpa.
6. The apparatus for recycling oxygen-rich waste gas in glass production line as claimed in claim 1, wherein the Roots blower is 3HE-200-NY, and has a flow rate of 38m3Min, exhaust pressure 15 kpa.
7. The glass production line oxygen-enriched waste gas recycling device for the glass production line as claimed in any one of claims 5 to 6, wherein two Roots blowers are provided.
8. The apparatus for recycling oxygen-rich waste gas in glass production line according to any of claims 1 to 6, wherein the atmospheric pressure gas storage tank is 10m3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921679826.XU CN211971769U (en) | 2019-10-09 | 2019-10-09 | Recycling device for oxygen-enriched waste gas of glass production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921679826.XU CN211971769U (en) | 2019-10-09 | 2019-10-09 | Recycling device for oxygen-enriched waste gas of glass production line |
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| Publication Number | Publication Date |
|---|---|
| CN211971769U true CN211971769U (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921679826.XU Active CN211971769U (en) | 2019-10-09 | 2019-10-09 | Recycling device for oxygen-enriched waste gas of glass production line |
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| CN (1) | CN211971769U (en) |
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2019
- 2019-10-09 CN CN201921679826.XU patent/CN211971769U/en active Active
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