CN104108681A - Hydrogen gas recovery device for vertical bright annealing line - Google Patents
Hydrogen gas recovery device for vertical bright annealing line Download PDFInfo
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- CN104108681A CN104108681A CN201410377827.4A CN201410377827A CN104108681A CN 104108681 A CN104108681 A CN 104108681A CN 201410377827 A CN201410377827 A CN 201410377827A CN 104108681 A CN104108681 A CN 104108681A
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- molecular sieve
- hydrogen gas
- annealing line
- hydrogen
- clean annealing
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Abstract
The invention relates to a hydrogen gas recovery device for a vertical bright annealing line. The device comprises components, namely an activated charcoal filter which is used for removing lubricating oil residue or pollutants from hydrogen gas, a paper filter which is used for removing dust from the hydrogen gas, a catalytic converter which is used for removing oxygen gas from the hydrogen gas and a molecular sieve adsorption assembly which is used for controlling the dew-point temperature of the hydrogen gas, wherein all the components are connected through a closed pipeline, and valves for controlling the components and the pipeline are arranged. According to the hydrogen gas recovery device for the vertical bright annealing line, the hydrogen gas used can be effectively recycled and reused, the usage amount of hydrogen gas can be reduced by 55% to the maximum, and the effects of saving energy sources, reducing pollutant emission and protecting environment can be effectively exerted.
Description
Technical field
the present invention relates to industrial annealing field, particularly relate to a kind of vertical clean annealing line hydrogen gas recovering device.
Background technology
along with industrialized development, it is more and more important that energy problem seems, how under the condition of identical output, to make minimum energy, the important topic that minimum emissions Ye Shi entire society faces.
with vertical clean annealing line, Stainless Steel Band is being carried out in the process of clean annealing, use H2 as protective atmosphere to realize bright annealing surface, and oxide-free is residual.But can produce the useless hydrogen be mixed with in a large number volatilization ROLLING OIL, emulsion in this process, be discharged in atmosphere, not only caused environmental pollution but also wasted the energy.
Summary of the invention
the object of this invention is to provide a kind of vertical clean annealing line hydrogen gas recovering device, be applied to the clean annealing thermal treatment of Stainless Steel Band.
for achieving the above object, the technical solution used in the present invention is:
a kind of vertical clean annealing line hydrogen gas recovering device, this device comprises with lower member: for removing the activated charcoal filter of hydrogen lubricating oil residue or pollutent, for removing the paper filter of hydrogen dust, for removing the catalytic converter of hydrogen oxygen and for controlling the molecular sieve adsorption assembly of dew point of hydrogen temperature, above-mentioned each parts connect by pipeline liquid injecting device and are provided with for controlling the valve body of above-mentioned parts and pipeline.
described molecular sieve adsorption assembly comprise at least one fill up the molecular sieve adsorber of adsorption column, for controlling the molecular sieve adsorption temperature controller of hydrogen temperature, for hydrogen being carried out to cooling gas cooler and molecular sieve adsorption revivifier.
described molecular sieve adsorber is provided with two, two described molecular sieve adsorber alternations.
described molecular sieve adsorption revivifier is that idle molecular sieve adsorber blows nitrogen.
described molecular sieve adsorption temperature controller comprises electricradiator and thermometer.
described molecular sieve adsorption assembly is controlled at the dew-point temperature of hydrogen lower than-70 ℃.
described catalytic converter is electrothermic type catalytic converter, and it comprises a reaction chamber that fills up palladium catalyst.
this device is airtight loop structure, and it comprises entrance, outlet section, and described entrance is connected with the useless hydrogen outlet of clean annealing line, and described outlet section is connected with clean annealing line hydrogen inlet.
this device also comprises gas blower and the motor that is same as raising gaseous tension and gas loss.
because technique scheme is used, the present invention compared with prior art has following advantages:
the present invention can effectively recycle used hydrogen through row recycling, maximum can be saved 55% hydrogen usage, can effectively play save energy, lowers disposal of pollutants, the effect of protection of the environment.
Accompanying drawing explanation
accompanying drawing 1 is the connection diagram of gas saving system in the present invention;
accompanying drawing 2 is the connection diagram of molecular sieve adsorption assembly in the present invention;
accompanying drawing 3 is the connection diagram of the present invention and vertical clean annealing line.
wherein: 1, activated charcoal filter; 2, paper filter; 3, catalytic converter; 4, molecular sieve adsorption assembly; 40, molecular sieve adsorber; 41, molecular sieve adsorption temperature controller; 42, molecular sieve adsorption revivifier; 43, shut-off valve; 44, flowrate control valve; 45, reducing valve; 46; 5, pipeline; 6, supercharging air machine; 7, detect valve; 8, entrance/entrance; 9, outlet section; 10, outlet; 11, entrance;
a, final heating are mated horses not; B, cooling heat exchange; C, cold eventually; D, No. 2 bands; E, preheater are preheated to 430 ℃ by combustion air; F, No. 1 band; G, hydrogen gas recovering device.
Embodiment
below in conjunction with drawings and Examples, the invention will be further described:
a kind of vertical clean annealing line hydrogen gas recovering device, this device mainly comprises with lower member: for removing the activated charcoal filter 1 of hydrogen lubricating oil residue or pollutent, for removing the paper filter 2 of hydrogen dust (as boron dirt), for removing the catalytic converter 3 of hydrogen oxygen and for controlling the molecular sieve adsorption assembly 4 of dew point of hydrogen temperature, above-mentioned each parts connect by pipeline liquid injecting device 5 and are provided with for controlling the valve body of above-mentioned parts and pipeline 5.Below specifically all parts is described in detail:
activated charcoal filter 1 is loaded in a gas-tight shell, and gas-tight shell has an openable lid, to carry out the replacing of activated charcoal filter 1, and and pipeline 5 between by O RunddichtringO, seal.
equally, paper filter 2 is also loaded in a gas-tight shell, and gas-tight shell has an openable lid, to carry out the replacing of paper filter 2, and and pipeline 5 between by O RunddichtringO, seal.
catalytic converter 3 is electrothermic type catalytic converter, and it comprises a reaction chamber that fills up palladium catalyst, and the capacity of reaction chamber is generally 120m
3
/ h, catalytic converter 3 is provided with temperature indication and high-temperature alarming device.
above-mentioned main activated charcoal filter 1, paper filter 2, catalytic converter 3 form a loop structure, as shown in Figure 1.Concrete annexation is as follows: activated charcoal filter 1, paper filter 2, catalytic converter 3 connect by pipeline 5 successively, form the loop with hydrogen inlet 8 and outlet 10, wherein between paper filter 2 and catalytic converter 3, be provided with supercharging air machine 6 and for detection of the detection valve 7 of the residual content of itching.In addition, the hydrogen after catalyzed conversion can be selected recirculation or refilter.
as shown in Figure 2: molecular sieve adsorption assembly 4, for final hydrogen is controlled to lower than dew point-70 ℃ (for circulation+fresh atmosphere), comprises two molecular sieve adsorber 40(capacity 120m that fill up adsorption column
3
/ h), for controlling the molecular sieve adsorption temperature controller 41 of hydrogen temperature, for hydrogen being carried out to cooling gas cooler and molecular sieve adsorption revivifier 42.Wherein: two molecular sieve adsorber 40 alternations; Molecular sieve adsorption temperature controller 41 comprises electricradiator and thermometer, controls high temperature alarm for heating and temperature.
concrete annexation is as follows: entrance 11 exits 10 of molecular sieve adsorption assembly 4, two molecular sieve adsorbers 40 are arranged in parallel by pipeline 5, each molecular sieve adsorber 40 is equipped with a molecular sieve adsorption temperature controller 41 and gas cooler, on pipeline 5, be provided with shut-off valve 43, work to two molecular sieve adsorbers 40 is switched, 40 work periods of molecular sieve adsorber finish rear shut-off valve 43 and switch, another work, and 42 pairs of idle molecular sieve adsorber 40 nitrogen blowing of molecular sieve adsorption revivifier make molecular sieve adsorber 40 regeneration.In addition, molecular sieve adsorption assembly 4 is also provided with flowrate control valve 44 that hydrogen is controlled, reducing valve 45 etc.
activated charcoal filter 1, paper filter 2, catalytic converter 3 and molecular sieve adsorption assembly 4 form the closed loop structure of whole device, it comprises entrance 8, outlet section 9, entrance 8 is connected with the useless hydrogen outlet of clean annealing line, and outlet section 9 is connected with clean annealing line hydrogen inlet.In whole loop, also comprise and be same as gas blower and motor, framework and air valve, recirculation flow control valve, shut-off valve, bypass valve and the check valve etc. that improve gaseous tension and gas loss.
as shown in Figure 3: through the hydrogen using, from the watertight chest of clean annealing line, be drawn out of, recirculation blower sucks hydrogen by activated charcoal filter 1, paper filter 2, catalytic converter 3, molecular sieve adsorption assembly 4, finally gets back to clean annealing line and recycles.In addition the annealing process of the alloy C70250 that, contains 0.15% zinc and 0.2% magnesium can not exert an influence to hydrogen gas recovering device.
above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences that spirit is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (9)
1. a vertical clean annealing line hydrogen gas recovering device, it is characterized in that: this device comprises with lower member: for removing the activated charcoal filter of hydrogen lubricating oil residue or pollutent, for removing the paper filter of hydrogen dust, for removing the catalytic converter of hydrogen oxygen and for controlling the molecular sieve adsorption assembly of dew point of hydrogen temperature, above-mentioned each parts connect by pipeline liquid injecting device and are provided with for controlling the valve body of above-mentioned parts and pipeline.
2. vertical clean annealing line hydrogen gas recovering device according to claim 1, is characterized in that: described molecular sieve adsorption assembly comprise at least one fill up the molecular sieve adsorber of adsorption column, for controlling the molecular sieve adsorption temperature controller of hydrogen temperature, for hydrogen being carried out to cooling gas cooler and molecular sieve adsorption revivifier.
3. vertical clean annealing line hydrogen gas recovering device according to claim 2, is characterized in that: described molecular sieve adsorber is provided with two, two described molecular sieve adsorber alternations.
4. according to the vertical clean annealing line hydrogen gas recovering device described in claim 2 or 3, it is characterized in that: described molecular sieve adsorption revivifier is that idle molecular sieve adsorber blows nitrogen.
5. vertical clean annealing line hydrogen gas recovering device according to claim 2, is characterized in that: described molecular sieve adsorption temperature controller comprises electricradiator and thermometer.
6. vertical clean annealing line hydrogen gas recovering device according to claim 1, is characterized in that: described molecular sieve adsorption assembly is controlled at the dew-point temperature of hydrogen lower than-70 ℃.
7. vertical clean annealing line hydrogen gas recovering device according to claim 1, is characterized in that: described catalytic converter is electrothermic type catalytic converter, and it comprises a reaction chamber that fills up palladium catalyst.
8. vertical clean annealing line hydrogen gas recovering device according to claim 1, it is characterized in that: this device is airtight loop structure, it comprises entrance, outlet section, described entrance is connected with the useless hydrogen outlet of clean annealing line, and described outlet section is connected with clean annealing line hydrogen inlet.
9. according to the vertical clean annealing line hydrogen gas recovering device described in claim 1 or 8, it is characterized in that: this device also comprises gas blower and the motor that is same as raising gaseous tension and gas loss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410377827.4A CN104108681A (en) | 2014-08-01 | 2014-08-01 | Hydrogen gas recovery device for vertical bright annealing line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410377827.4A CN104108681A (en) | 2014-08-01 | 2014-08-01 | Hydrogen gas recovery device for vertical bright annealing line |
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| Publication Number | Publication Date |
|---|---|
| CN104108681A true CN104108681A (en) | 2014-10-22 |
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ID=51705700
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| CN201410377827.4A Pending CN104108681A (en) | 2014-08-01 | 2014-08-01 | Hydrogen gas recovery device for vertical bright annealing line |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102653815A (en) * | 2012-05-30 | 2012-09-05 | 苏州苏净保护气氛有限公司 | Mirror face plate annealing furnace shielding gas reclamation and cyclic utilization device |
| CN203021291U (en) * | 2012-07-17 | 2013-06-26 | 朱挺 | Hydrogen recycling and purifying device of stainless steel band continuous bright heat treatment furnace |
| CN203976394U (en) * | 2014-08-01 | 2014-12-03 | 艾伯纳工业炉(太仓)有限公司 | Vertical clean annealing line hydrogen gas recovering device |
-
2014
- 2014-08-01 CN CN201410377827.4A patent/CN104108681A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102653815A (en) * | 2012-05-30 | 2012-09-05 | 苏州苏净保护气氛有限公司 | Mirror face plate annealing furnace shielding gas reclamation and cyclic utilization device |
| CN203021291U (en) * | 2012-07-17 | 2013-06-26 | 朱挺 | Hydrogen recycling and purifying device of stainless steel band continuous bright heat treatment furnace |
| CN203976394U (en) * | 2014-08-01 | 2014-12-03 | 艾伯纳工业炉(太仓)有限公司 | Vertical clean annealing line hydrogen gas recovering device |
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Application publication date: 20141022 |