CN109390435B - Nitrogen and oxygen unidirectional mixing device for PID (potential induced degradation) resistant equipment of solar cell - Google Patents
Nitrogen and oxygen unidirectional mixing device for PID (potential induced degradation) resistant equipment of solar cell Download PDFInfo
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 239000001301 oxygen Substances 0.000 title claims abstract description 44
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 44
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 41
- 230000015556 catabolic process Effects 0.000 title 1
- 238000006731 degradation reaction Methods 0.000 title 1
- 239000007789 gas Substances 0.000 claims abstract description 69
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 230000001105 regulatory effect Effects 0.000 claims abstract description 17
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims description 111
- 238000009423 ventilation Methods 0.000 claims description 16
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 5
- 229910001882 dioxygen Inorganic materials 0.000 description 5
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen(.) Chemical compound [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/30—Coatings
- H10F77/306—Coatings for devices having potential barriers
- H10F77/311—Coatings for devices having potential barriers for photovoltaic cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
Description
技术领域Technical field
本发明涉及的太阳能电池抗PID的气体混合装置，尤其是一种用于太阳能电池抗PID设备的氮气和氧气单向混合装置。The invention relates to a solar cell anti-PID gas mixing device, especially a one-way mixing device for nitrogen and oxygen used in solar cell anti-PID equipment.
背景技术Background technique
众所周知的：太阳能电池板需要对其进行抗PID处理，从而避免太阳能电池板出现PID现象；现有的太阳能电池板抗PID设备需要将氧气和氮气进行混合然后通过臭氧发生器生产臭氧，通过臭氧、氧气和氮气的混合气体覆盖在硅片表面，保证硅片表面形成高纯致密的二氧化硅层，厚度大概在10-20nm，从而解决电池组件中玻璃产生的钠离子引起的电位诱导效应。It is well known that solar panels need anti-PID treatment to avoid PID phenomena in solar panels; existing solar panel anti-PID equipment needs to mix oxygen and nitrogen and then produce ozone through an ozone generator. The mixed gas of oxygen and nitrogen covers the surface of the silicon wafer to ensure that a high-purity and dense silicon dioxide layer is formed on the surface of the silicon wafer, with a thickness of about 10-20nm, thereby solving the potential induction effect caused by sodium ions produced by the glass in the battery module.
现有的氮气和氧气的混合装置无法实时调节氮气和氧气的流量，同时无法阻止氧气与氮气的串气，同时容易出现倒流现象。The existing nitrogen and oxygen mixing device cannot adjust the flow rates of nitrogen and oxygen in real time, and cannot prevent the cross-flow of oxygen and nitrogen, and is prone to backflow.
发明内容Contents of the invention
本发明所要解决的技术问题是提供一种能够防止气体串气，能够使得氧气和氮气混合均匀的用于太阳能电池抗PID设备的氮气和氧气单向混合装置。The technical problem to be solved by the present invention is to provide a one-way mixing device for nitrogen and oxygen used in solar cell anti-PID equipment that can prevent gas cross-flow and make oxygen and nitrogen evenly mixed.
本发明解决其技术问题所采用的技术方案是：用于太阳能电池抗PID设备的氮气和氧气单向混合装置，包括气体混合本体；所述气体混合本体具有两端均开口的内腔；The technical solution adopted by the present invention to solve the technical problem is: a one-way mixing device for nitrogen and oxygen used in solar cell anti-PID equipment, including a gas mixing body; the gas mixing body has an inner cavity with openings at both ends;
所述气体混合本体的一端设置有第一密封板，另一端设置有第二密封板；所述气体混合本体具有的腔体上部设置有第一水平隔板，下部设置有第二水平隔板；所述第一水平隔板与气体混合本体腔体的顶部之间形成氧气进气腔；所述二水平隔板与气体混合本体腔体的底部之间形成氮气进气腔；One end of the gas mixing body is provided with a first sealing plate, and the other end is provided with a second sealing plate; the upper part of the cavity of the gas mixing body is provided with a first horizontal partition, and the lower part is provided with a second horizontal partition; An oxygen inlet chamber is formed between the first horizontal partition and the top of the gas mixing body cavity; a nitrogen inlet chamber is formed between the two horizontal partitions and the bottom of the gas mixing body cavity;
所述第一密封板上设置有与氮气进气腔连通的氮气进气管，所述氮气进气管上设置有第一单向阀以及第一流量调节阀；The first sealing plate is provided with a nitrogen inlet pipe connected to the nitrogen inlet chamber, and the nitrogen inlet pipe is provided with a first one-way valve and a first flow regulating valve;
所述气体混合本体上表面设置有与氧气进气腔连通的氧气进气管；所述氧气进气管上设置有第二单向阀以及第二流量调节阀；An oxygen inlet pipe connected to the oxygen inlet chamber is provided on the upper surface of the gas mixing body; a second one-way valve and a second flow regulating valve are provided on the oxygen inlet pipe;
所述第一水平隔板上设置有第一透气孔；所述第一水平隔板的下表面设置有沿横向均匀分布的第一竖向隔板；所述第二水平隔板上设置有第二透气口；所述第二水平隔板的上表面设置有沿横向均匀分布的第二竖向隔板；The first horizontal partition is provided with a first ventilation hole; the lower surface of the first horizontal partition is provided with first vertical partitions evenly distributed in the transverse direction; the second horizontal partition is provided with a third Two ventilation openings; the upper surface of the second horizontal partition is provided with second vertical partitions evenly distributed in the transverse direction;
所述第二水平隔板上的第二竖向隔板位于第一水平隔板上相邻两块第一竖向隔板之间间隙的正下方；The second vertical partition on the second horizontal partition is located directly below the gap between two adjacent first vertical partitions on the first horizontal partition;
所述第二密封板上设置有脸连通第一水平隔板和第二水平隔板之间腔体的出气嘴；所述出气嘴上连接有布气筒；所述布气筒的一端与出气嘴连通，另一端设置有密封板；所述布气筒内设置有布气板；所述密封板上设置有与布气筒连通的出气管；所述出气管上设置有第三单向阀以及第三流量调节阀。The second sealing plate is provided with an air outlet that communicates with the cavity between the first horizontal partition and the second horizontal partition; the air outlet is connected with an air distribution tube; one end of the air distribution tube is connected with the air outlet. , a sealing plate is provided at the other end; an air distribution plate is provided in the air distribution cylinder; an air outlet pipe connected to the air distribution cylinder is provided on the sealing plate; a third one-way valve and a third flow rate are provided on the air outlet pipe Regulating valve.
进一步的，所述气体混合本体内腔的侧壁上部设置有与第一水平隔板匹配的第一插槽，所述气体混合本体内腔的侧壁下部设置有与第二水平隔板匹配的第二插槽；所述第一水平隔板安装在第一插槽内；所述第二水平隔板安装在第二插槽内。Further, the upper part of the side wall of the inner cavity of the gas mixing body is provided with a first slot that matches the first horizontal partition, and the lower part of the side wall of the inner cavity of the gas mixing body is provided with a first slot that matches the second horizontal partition. The second slot; the first horizontal partition is installed in the first slot; the second horizontal partition is installed in the second slot.
进一步的，所述第一密封板与气体混合本体之间以及第二密封板与气体混合本体之间均设置有密封垫圈。Further, sealing gaskets are provided between the first sealing plate and the gas mixing body and between the second sealing plate and the gas mixing body.
进一步的，所述布气筒内设置有至少两块相互平行的布气板，所述布气板竖向设置。Further, at least two mutually parallel air distribution plates are provided in the air distribution cylinder, and the air distribution plates are arranged vertically.
本发明的有益效果是：本发明所述的用于太阳能电池抗PID设备的氮气和氧气单向混合装置，由于在氮气进气管上设置有第一单向阀以及第一流量调节阀；在氧气进气管上设置有第二单向阀以及第二流量调节阀；同时在出气管上设置有第三单向阀以及第三流量调节阀；从而能够有效的避免气体的倒流和串流；The beneficial effects of the present invention are: the nitrogen and oxygen one-way mixing device for solar cell anti-PID equipment of the present invention has a first one-way valve and a first flow regulating valve on the nitrogen inlet pipe; A second one-way valve and a second flow regulating valve are provided on the air inlet pipe; at the same time, a third one-way valve and a third flow regulating valve are provided on the air outlet pipe; thus, the backflow and cross-flow of gas can be effectively avoided;
其次，由于所述第一水平隔板与气体混合本体腔体的顶部之间形成氧气进气腔；所述二水平隔板与气体混合本体腔体的底部之间形成氮气进气腔；所述第一水平隔板上设置有第一透气孔；所述第一水平隔板的下表面设置有沿横向均匀分布的第一竖向隔板；所述第二水平隔板上设置有第二透气口；所述第二水平隔板的上表面设置有沿横向均匀分布的第二竖向隔板；所述第二水平隔板上的第二竖向隔板位于第一水平隔板上相邻两块第一竖向隔板之间间隙的正下方；因此能够使得氧气和氮气在第一水平隔板和第二水平隔板之间充分混合均匀；并且能够避免气体倒流。Secondly, an oxygen inlet chamber is formed between the first horizontal partition and the top of the gas mixing body cavity; a nitrogen inlet chamber is formed between the two horizontal partitions and the bottom of the gas mixing body cavity; The first horizontal partition is provided with first ventilation holes; the lower surface of the first horizontal partition is provided with first vertical partitions evenly distributed in the transverse direction; the second horizontal partition is provided with second ventilation holes. The upper surface of the second horizontal partition is provided with second vertical partitions evenly distributed in the transverse direction; the second vertical partitions on the second horizontal partition are adjacent to the first horizontal partition Just below the gap between the two first vertical partitions; therefore, oxygen and nitrogen can be fully mixed evenly between the first horizontal partition and the second horizontal partition; and gas backflow can be avoided.
附图说明Description of the drawings
图1是本发明实施例中用于太阳能电池抗PID设备的氮气和氧气单向混合装置的爆炸示意图；Figure 1 is an exploded schematic diagram of a nitrogen and oxygen one-way mixing device used for solar cell anti-PID equipment in an embodiment of the present invention;
图2是本发明实施例中用于太阳能电池抗PID设备的氮气和氧气单向混合装置的立体图；Figure 2 is a perspective view of a one-way mixing device for nitrogen and oxygen used in solar cell anti-PID equipment in an embodiment of the present invention;
图3是本发明实施例中用于太阳能电池抗PID设备的氮气和氧气单向混合装置的主视图；Figure 3 is a front view of a one-way mixing device for nitrogen and oxygen used in solar cell anti-PID equipment in an embodiment of the present invention;
图4是本发明实施例中用于太阳能电池抗PID设备的氮气和氧气单向混合装置的俯视图；Figure 4 is a top view of a one-way mixing device for nitrogen and oxygen used in solar cell anti-PID equipment in an embodiment of the present invention;
图5是图4的A-A剖视图；Figure 5 is a cross-sectional view along line A-A of Figure 4;
图6是图3的B-B剖视图；Figure 6 is a B-B cross-sectional view of Figure 3;
图中标示：1-气体混合本体，2-第一密封板，3-第二密封板，4-氮气进气管，5-第一单向阀，51-第一流量调节阀，6-氧气进气管，7-第二单向阀，71-第二流量调节阀，8-布气筒，9-密封板，10-出气管，11-第三单向阀，111-第三流量调节阀；12-第一水平隔板，13-第一透气孔，14-第一竖向隔板，15-第二水平隔板，16-第二竖向隔板，17-第二透气孔，18-布气板。Labeled in the figure: 1-gas mixing body, 2-first sealing plate, 3-second sealing plate, 4-nitrogen gas inlet pipe, 5-first one-way valve, 51-first flow regulating valve, 6-oxygen inlet Air pipe, 7-second one-way valve, 71-second flow regulating valve, 8-air distribution cylinder, 9-sealing plate, 10-air outlet pipe, 11-third one-way valve, 111-third flow regulating valve; 12 -The first horizontal partition, 13-the first ventilation hole, 14-the first vertical partition, 15-the second horizontal partition, 16-the second vertical partition, 17-the second ventilation hole, 18-cloth Gas plate.
具体实施方式Detailed ways
下面结合附图和实施例对本发明进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and examples.
如图1至图6所示，本发明所述的用于太阳能电池抗PID设备的氮气和氧气单向混合装置，包括气体混合本体1；所述气体混合本体1具有两端均开口的内腔；As shown in Figures 1 to 6, the nitrogen and oxygen one-way mixing device for solar cell anti-PID equipment according to the present invention includes a gas mixing body 1; the gas mixing body 1 has an inner cavity with openings at both ends. ;
所述气体混合本体1的一端设置有第一密封板2，另一端设置有第二密封板3；所述气体混合本体1具有的腔体上部设置有第一水平隔板12，下部设置有第二水平隔板15；所述第一水平隔板12与气体混合本体1腔体的顶部之间形成氧气进气腔；所述二水平隔板15与气体混合本体1腔体的底部之间形成氮气进气腔；One end of the gas mixing body 1 is provided with a first sealing plate 2, and the other end is provided with a second sealing plate 3; the upper part of the cavity of the gas mixing body 1 is provided with a first horizontal partition 12, and the lower part is provided with a first horizontal partition plate 12. Two horizontal partitions 15; an oxygen inlet chamber is formed between the first horizontal partition 12 and the top of the cavity of the gas mixing body 1; an oxygen inlet chamber is formed between the two horizontal partitions 15 and the bottom of the cavity of the gas mixing body 1. Nitrogen gas inlet chamber;
所述第一密封板2上设置有与氮气进气腔连通的氮气进气管4，所述氮气进气管4上设置有第一单向阀5以及第一流量调节阀51；The first sealing plate 2 is provided with a nitrogen inlet pipe 4 connected with the nitrogen inlet chamber, and the nitrogen inlet pipe 4 is provided with a first one-way valve 5 and a first flow regulating valve 51;
所述气体混合本体1上表面设置有与氧气进气腔连通的氧气进气管6；所述氧气进气管6上设置有第二单向阀7以及第二流量调节阀71；The upper surface of the gas mixing body 1 is provided with an oxygen inlet pipe 6 connected with the oxygen inlet chamber; the oxygen inlet pipe 6 is provided with a second one-way valve 7 and a second flow regulating valve 71;
所述第一水平隔板12上设置有第一透气孔13；所述第一水平隔板12的下表面设置有沿横向均匀分布的第一竖向隔板14；所述第二水平隔板15上设置有第二透气口17；所述第二水平隔板15的上表面设置有沿横向均匀分布的第二竖向隔板16；The first horizontal partition 12 is provided with a first ventilation hole 13; the lower surface of the first horizontal partition 12 is provided with first vertical partitions 14 evenly distributed in the transverse direction; the second horizontal partition 15 is provided with a second ventilation opening 17; the upper surface of the second horizontal partition 15 is provided with second vertical partitions 16 evenly distributed in the transverse direction;
所述第二水平隔板15上的第二竖向隔板16位于第一水平隔板12上相邻两块第一竖向隔板14之间间隙的正下方；The second vertical partition 16 on the second horizontal partition 15 is located directly below the gap between two adjacent first vertical partitions 14 on the first horizontal partition 12;
所述第二密封板3上设置有脸连通第一水平隔板12和第二水平隔板15之间腔体的出气嘴31；所述出气嘴31上连接有布气筒18；所述布气筒18的一端与出气嘴31连通，另一端设置有密封板9；所述布气筒18内设置有布气板18；所述密封板9上设置有与布气筒18连通的出气管10；所述出气管10上设置有第三单向阀11以及第三流量调节阀111。The second sealing plate 3 is provided with an air outlet 31 that communicates with the cavity between the first horizontal partition 12 and the second horizontal partition 15; the air outlet 31 is connected to an air distribution cylinder 18; the air distribution cylinder One end of 18 is connected with the air outlet nozzle 31, and the other end is provided with a sealing plate 9; the air distribution cylinder 18 is provided with an air distribution plate 18; the sealing plate 9 is provided with an air outlet pipe 10 that communicates with the air distribution cylinder 18; The air outlet pipe 10 is provided with a third one-way valve 11 and a third flow regulating valve 111 .
在工作的过程中，首先将纯氧供气装置与氧气进气管6连通，将纯氮供气装置与氮气进气管4连通；工作时，打开第一流量阀51和第二流量阀71；然后通过纯氧供气装置向氧气进气腔内供气；纯氮供气装置向氮气进气腔内供气；氧气由上部的氧气进气腔通过第一水平隔板上的第一透气孔13流向第一水平隔板12和第二水平隔板15之间的腔体；氮气由下部的氮气进气腔通过第二水平隔板15上的第二透气孔17流向第一水平隔板12和第二水平隔板15之间的腔体；During work, first connect the pure oxygen gas supply device to the oxygen gas inlet pipe 6, and connect the pure nitrogen gas supply device to the nitrogen gas inlet pipe 4; during operation, open the first flow valve 51 and the second flow valve 71; then The pure oxygen gas supply device supplies gas to the oxygen inlet chamber; the pure nitrogen gas supply device supplies gas to the nitrogen gas inlet chamber; oxygen passes from the upper oxygen gas inlet chamber through the first ventilation hole 13 on the first horizontal partition Flows to the cavity between the first horizontal partition 12 and the second horizontal partition 15; nitrogen flows from the lower nitrogen inlet chamber through the second ventilation hole 17 on the second horizontal partition 15 to the first horizontal partition 12 and the cavity between the second horizontal partitions 15;
由于所述第一水平隔板12上设置有第一透气孔13；所述第一水平隔板12的下表面设置有沿横向均匀分布的第一竖向隔板14；所述第二水平隔板15上设置有第二透气口17；所述第二水平隔板15的上表面设置有沿横向均匀分布的第二竖向隔板16；所述第二水平隔板15上的第二竖向隔板16位于第一水平隔板12上相邻两块第一竖向隔板14之间间隙的正下方；因此使得氮气和氧气在第一水平隔板12和第二水平隔板15之间的腔体内混合均匀。Since the first horizontal partition 12 is provided with first ventilation holes 13; the lower surface of the first horizontal partition 12 is provided with first vertical partitions 14 evenly distributed in the transverse direction; the second horizontal partition The plate 15 is provided with a second ventilation opening 17; the upper surface of the second horizontal partition 15 is provided with second vertical partitions 16 evenly distributed in the transverse direction; the second vertical partition 16 on the second horizontal partition 15 The vertical partition plate 16 is located directly below the gap between the two adjacent first vertical partition plates 14 on the first horizontal partition plate 12; therefore, the nitrogen and oxygen gas are transported between the first horizontal partition plate 12 and the second horizontal partition plate 15. Mix evenly in the cavity.
氧气和氮气混合后经过第二密封板3上的出气嘴31进入到布气筒8内，通过布气筒8内的布气板18，使得气体均匀流动，然后由密封板9上的出气管10排出混合气体，通过出去管10上的第三流量阀11调节流量，通过第三单向阀111避免气体回流。After the oxygen and nitrogen are mixed, they enter the gas distribution cylinder 8 through the gas outlet nozzle 31 on the second sealing plate 3, pass through the gas distribution plate 18 in the gas distribution cylinder 8, so that the gas flows evenly, and then are discharged from the gas outlet pipe 10 on the sealing plate 9 The flow rate of the mixed gas is adjusted through the third flow valve 11 on the outlet pipe 10, and the third one-way valve 111 is used to prevent gas backflow.
综上所述，本发明所述的用于太阳能电池抗PID设备的氮气和氧气单向混合装置，由于在氮气进气管上设置有第一单向阀以及第一流量调节阀；在氧气进气管上设置有第二单向阀以及第二流量调节阀；同时在出气管上设置有第三单向阀以及第三流量调节阀；从而能够有效的避免气体的倒流和串流；To sum up, the nitrogen and oxygen one-way mixing device for solar cell anti-PID equipment according to the present invention has a first one-way valve and a first flow regulating valve on the nitrogen inlet pipe; A second one-way valve and a second flow regulating valve are provided on the gas outlet pipe; at the same time, a third one-way valve and a third flow regulating valve are provided on the gas outlet pipe; thus, the backflow and cross-flow of gas can be effectively avoided;
其次，由于所述第一水平隔板与气体混合本体腔体的顶部之间形成氧气进气腔；所述二水平隔板与气体混合本体腔体的底部之间形成氮气进气腔；所述第一水平隔板上设置有第一透气孔；所述第一水平隔板的下表面设置有沿横向均匀分布的第一竖向隔板；所述第二水平隔板上设置有第二透气口；所述第二水平隔板的上表面设置有沿横向均匀分布的第二竖向隔板；所述第二水平隔板上的第二竖向隔板位于第一水平隔板上相邻两块第一竖向隔板之间间隙的正下方；因此能够使得氧气和氮气在第一水平隔板和第二水平隔板之间充分混合均匀；并且能够避免气体倒流。Secondly, an oxygen inlet chamber is formed between the first horizontal partition and the top of the gas mixing body cavity; a nitrogen inlet chamber is formed between the two horizontal partitions and the bottom of the gas mixing body cavity; The first horizontal partition is provided with first ventilation holes; the lower surface of the first horizontal partition is provided with first vertical partitions evenly distributed in the transverse direction; the second horizontal partition is provided with second ventilation holes. The upper surface of the second horizontal partition is provided with second vertical partitions evenly distributed in the transverse direction; the second vertical partitions on the second horizontal partition are adjacent to the first horizontal partition Just below the gap between the two first vertical partitions; therefore, oxygen and nitrogen can be fully mixed evenly between the first horizontal partition and the second horizontal partition; and gas backflow can be avoided.
为了便于安装，简化结构，进一步的，所述气体混合本体1内腔的侧壁上部设置有与第一水平隔板12匹配的第一插槽，所述气体混合本体1内腔的侧壁下部设置有与第二水平隔板15匹配的第二插槽；所述第一水平隔板12安装在第一插槽内；所述第二水平隔板15安装在第二插槽内。In order to facilitate installation and simplify the structure, further, the upper part of the side wall of the inner cavity of the gas mixing body 1 is provided with a first slot that matches the first horizontal partition 12 , and the lower part of the side wall of the inner cavity of the gas mixing body 1 A second slot matching the second horizontal partition 15 is provided; the first horizontal partition 12 is installed in the first slot; the second horizontal partition 15 is installed in the second slot.
为了使得设备密封性更好，进一步的，所述第一密封板2与气体混合本体1之间以及第二密封板3与气体混合本体1之间均设置有密封垫圈。In order to improve the sealing performance of the equipment, further, sealing gaskets are provided between the first sealing plate 2 and the gas mixing body 1 and between the second sealing plate 3 and the gas mixing body 1 .
为了使得气体均匀流动，进一步的，所述布气筒8内设置有至少两块相互平行的布气板18，所述布气板18竖向设置。In order to make the gas flow evenly, further, at least two mutually parallel gas distribution plates 18 are provided in the gas distribution cylinder 8, and the gas distribution plates 18 are arranged vertically.
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