CN220166293U - Explosion-proof water collector and oxyhydrogen generator - Google Patents
Explosion-proof water collector and oxyhydrogen generator Download PDFInfo
- Publication number
- CN220166293U CN220166293U CN202321056160.9U CN202321056160U CN220166293U CN 220166293 U CN220166293 U CN 220166293U CN 202321056160 U CN202321056160 U CN 202321056160U CN 220166293 U CN220166293 U CN 220166293U
- Authority
- CN
- China
- Prior art keywords
- water collector
- hydrogen
- air outlet
- oxygen
- explosion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 239000001301 oxygen Substances 0.000 claims abstract description 54
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 54
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000003063 flame retardant Substances 0.000 claims abstract description 47
- 239000001257 hydrogen Substances 0.000 claims abstract description 46
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 46
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 43
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000007789 gas Substances 0.000 claims abstract description 25
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 3
- 230000003068 static effect Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 6
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
The utility model provides an explosion-proof water collector and a oxyhydrogen generator, wherein the explosion-proof water collector comprises a water collector main body with a hollow cylindrical structure, and a hydrogen air inlet nozzle and an oxygen air inlet nozzle are arranged at the upper end of the water collector main body, wherein the hydrogen air inlet nozzle is used for inputting hydrogen, and the oxygen air inlet nozzle is used for inputting oxygen supply; the lower end of the water collector main body is provided with an air outlet nozzle which is used for outputting oxyhydrogen mixed gas; the upper end of the air outlet nozzle is connected with a flame retardant component. As the upper end of the air outlet nozzle of the water collector is connected with the flame-retardant component, when the lower end of the air outlet nozzle contacts static electricity, combustible substances or fire sources generated by misoperation, flame enters the air outlet nozzle from the lower end of the air outlet nozzle and reaches the flame-retardant component first, the flame-retardant component stops the flame at the position, the explosion-proof performance of the water collector can be improved, the probability of dangerous accidents is reduced, and hydrogen and oxygen can be directly mixed in the water collector, only one explosion-proof water collector is needed when the water collector is applied to a hydrogen and oxygen generator, and the use cost of the hydrogen and oxygen generator is reduced.
Description
Technical Field
The utility model relates to the technical field of gas generating devices, in particular to an explosion-proof water collector and a oxyhydrogen generator.
Background
The oxyhydrogen generator is also called oxyhydrogen machine and hydrogen absorber, and hydrogen and oxygen are produced by electrolyzing water to provide oxyhydrogen mixed gas for a user, and the absorption of oxyhydrogen into a human body can influence the physiological function of the human body, so that the oxyhydrogen generator has the functions of anti-inflammation and anti-oxidation.
After hydrogen and oxygen are produced by electrolysis of water, a large amount of water vapor is entrained in the gas, the water vapor is filtered out by a water collector, the existing water collector does not have an explosion-proof function, hydrogen and oxygen cannot be directly mixed in the water collector, generally, the water collectors are respectively connected on a hydrogen output pipeline and an oxygen output pipeline, the use cost is high, the tail ends of the two output pipelines are connected to output hydrogen and oxygen mixed gas, and flame is easy to reversely flow to an electrolytic tank of a hydrogen-oxygen generator to cause explosion when combustion occurs.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an explosion-proof water collector and a oxyhydrogen generator, which have an explosion-proof function and can directly mix hydrogen and oxygen in the water collector, thereby reducing the use cost.
The technical scheme of the utility model is realized as follows:
an explosion-proof water collector comprises a water collector main body, wherein the water collector main body is of a hollow cylindrical structure;
the upper end of the water collector main body is provided with a hydrogen air inlet nozzle and an oxygen air inlet nozzle, the hydrogen air inlet nozzle is used for inputting hydrogen, and the oxygen air inlet nozzle is used for inputting oxygen supply;
the lower end of the water collector main body is provided with an air outlet nozzle which is used for outputting oxyhydrogen mixed gas;
the upper end of the air outlet nozzle is connected with a flame-retardant component, and the flame-retardant component is provided with dense pores through which air can pass.
Preferably, the air outlet nozzle further comprises a fixing piece which is connected with the upper end of the air outlet nozzle in a threaded manner;
the fixing piece is provided with an air inlet channel, the air inlet channel of the fixing piece is communicated with the air outlet channel of the air outlet nozzle to form an air passing channel, and the flame retardant assembly is positioned in the air passing channel.
Preferably, the flame-retardant assembly comprises a bobbin, an opening is arranged at the air inlet end of the bobbin, the air outlet end of the bobbin is of a blocking structure, and dense fine holes through which air can pass are arranged on the blocking structure of the bobbin.
Preferably, a spring is further arranged in the air inlet channel of the fixing piece, the first end of the spring is in contact with the flame-retardant assembly, the second end of the spring is in contact with the air outlet nozzle, and the spring compresses the flame-retardant assembly through the elastic action after the air outlet nozzle is connected with the fixing piece.
Preferably, a sealing gasket is arranged at the contact position of the air inlet end of the flame retardant assembly and the fixing piece.
Preferably, the water collector body comprises an upper cylinder and a lower cylinder, and the lower end of the upper cylinder is in threaded connection with the upper end of the lower cylinder.
Preferably, a sealing ring is arranged between the upper cylinder and the lower cylinder.
The oxyhydrogen generator comprises an oxyhydrogen generating device, a hydrogen output pipe, an oxygen output pipe, a mixed gas exhaust pipe and any explosion-proof water collector;
two ends of the hydrogen output pipe are respectively connected with a hydrogen outlet of the hydrogen-oxygen generating device and the upper end of the hydrogen inlet nozzle;
two ends of the oxygen output pipe are respectively connected with an oxygen outlet of the hydrogen-oxygen generating device and the upper end of the oxygen inlet nozzle;
the lower end of the air outlet nozzle is connected with one end of the mixed gas exhaust pipe.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The upper end of the air outlet nozzle of the water collector is connected with the flame-retardant component, when the lower end of the air outlet nozzle contacts static electricity, combustible materials or fire sources generated by misoperation, flame enters the air outlet nozzle from the lower end of the air outlet nozzle and reaches the flame-retardant component first, and the flame-retardant component stops the flame at the position, so that the explosion-proof performance of the water collector can be improved, and the probability of dangerous accidents is reduced;
(2) Because the water collector is provided with the flame-retardant component, the water collector has explosion-proof performance, so that hydrogen and oxygen can be directly mixed in the water collector, only one explosion-proof water collector is needed when the water collector is applied to a oxyhydrogen generator, and the use cost of the oxyhydrogen generator is reduced.
Drawings
FIG. 1 is a schematic perspective view of a water collector according to the present utility model;
FIG. 2 is a longitudinal cross-sectional view of the water collector of the present utility model;
FIG. 3 is a longitudinal cross-sectional view of the connection of the air outlet nozzle, flame retardant assembly and fastener of the present utility model;
fig. 4 is a schematic perspective view of the oxyhydrogen generator according to the present utility model.
The attached drawings are identified:
1-an explosion-proof water collector; 11-a water collector body; 12-a hydrogen inlet nozzle; 13-oxygen inlet nozzle; 14-an air outlet nozzle; 15-a flame retardant assembly; 16-a fixing piece; 17-a spring; 18-a gasket; 19-a sealing ring;
2-a hydrogen and oxygen production device;
3-outputting hydrogen;
4-oxygen output pipe;
5-a mixed gas exhaust pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1 and 2, an explosion-proof water collector 1 comprises a water collector main body 11, wherein the water collector main body 11 is of a hollow cylindrical structure, and liquid separated from gas and liquid can be contained in a hollow cavity of the water collector main body 11;
the upper end of the water collector main body 11 is provided with a hydrogen inlet nozzle 12, and the hydrogen inlet nozzle 12 is used for inputting hydrogen;
the upper end of the water collector main body 11 is also provided with an oxygen inlet nozzle 13, and the oxygen inlet nozzle 13 is used for inputting oxygen;
the lower end of the water collector main body 11 is provided with an air outlet nozzle 14, and the air outlet nozzle 14 is used for outputting oxyhydrogen mixed gas;
the upper end of the air outlet nozzle 14 is connected with a flame retardant component 15 which can play a role in preventing backfire and prevent dangerous accidents.
The upper end of the water outlet nozzle 14 of the water collector is connected with a flame retardant component 15, so that the water collector can play a role in tempering. In this embodiment, when the lower end of the air outlet nozzle 14 (i.e. the air outlet end of the air outlet nozzle 14) contacts with static electricity, combustibles or fire sources generated by misoperation, flame enters the air outlet nozzle 1 from the lower end of the air outlet nozzle 14 and reaches the flame retardant assembly 15 first, and the flame retardant assembly 15 stops the flame at the position, so that the explosion-proof performance of the water collector can be improved, and the probability of dangerous accidents can be reduced. In addition, as the upper end of the water outlet nozzle 14 of the water collector is connected with the flame-retardant component 15, the water collector has explosion-proof performance, so that hydrogen and oxygen can be directly mixed in the water collector, only one explosion-proof water collector is needed when the water collector is applied to a hydrogen-oxygen generator, and the use cost of the hydrogen-oxygen generator is reduced.
Preferably, referring to fig. 2 and 3, the flame retardant device further comprises a fixing piece 16, the fixing piece 16 is in threaded connection with the upper end of the air outlet nozzle 14, an air inlet channel is formed in the fixing piece 16, the air inlet channel of the fixing piece 16 is communicated with the air outlet channel of the air outlet nozzle 14 and forms an air passing channel, and the flame retardant assembly 15 is located in the air passing channel. The fixing piece 16 can fix the flame-retardant assembly 15 at the upper end of the air outlet nozzle 14; because the fixing piece 16 is provided with the air inlet channel, the air inlet channel of the fixing piece 16 is communicated with the air outlet channel of the air outlet nozzle 4 to form an air passage, and the hydrogen and the oxygen are mixed in the hollow cavity of the water collector main body 11 and then output through the air passage.
Further, the flame retardant member 15 has dense pores through which gas can pass. The fine holes of the flame retardant assembly 15 can reduce the propagation speed of flame and increase the cooling area, thereby playing a role of preventing flashback. Further, the fine holes of the flame retardant 15 can block the liquid discharge nozzle 14 in the water collector body 11, and the gas-liquid separation effect of the water collector can be enhanced.
Preferably, the flame retardant assembly 15 comprises a tube, the air inlet end of the tube is provided with an opening, the air outlet end of the tube is of a blocking structure, and the blocking structure of the tube is provided with dense fine holes through which the air can pass. The flame first reaches the flame-retardant component 15 after entering the air outlet nozzle 14, and the air outlet end of the flame-retardant component 15 is of a closed end structure with fine holes, so that part of the flame can be stopped at the position, the time for the rest flame to reach the air inlet end position of the fixing piece 16 is slowed down, the time for closing the oxyhydrogen generator is reserved for 3-5 minutes, the explosion-proof performance of the water collector can be further improved, and the probability of dangerous accidents is reduced.
Preferably, the air inlet channel of the fixing piece 16 is also internally provided with a spring 17, the first end of the spring 17 is in contact with the flame-retardant assembly 15, the second end of the spring 17 is in contact with the air outlet nozzle 14, the spring 17 compresses the flame-retardant assembly 15 through the elastic action after the air outlet nozzle 14 is connected with the fixing piece 16, the flame-retardant assembly 15 leans against the fixing piece 16, the gap between the fixing piece 16 and the flame-retardant assembly 15 is reduced, the mixed gas is prevented from passing through the air outlet nozzle 14 without passing through the flame-retardant assembly 15, and the tempering prevention effect is better.
Preferably, a sealing pad 18 is arranged at the contact position between the air inlet end of the flame retardant assembly 15 and the fixing piece 16, so that the mixed gas can be further prevented from passing through the air outlet nozzle 14 without passing through the flame retardant assembly 15.
Preferably, the water collector body 11 includes an upper cylinder 111 and a lower cylinder 112, and the lower end of the upper cylinder 111 is in threaded connection with the upper end of the lower cylinder 112, so that the upper cylinder 111 and the lower cylinder 112 can be detached, thereby facilitating pouring of the liquid in the water collector, inspection, and replacement of the flame retardant assembly.
Preferably, a sealing ring 19 is arranged between the upper cylinder 111 and the lower cylinder 112, so that the air tightness of the water collector is improved, and the hydrogen-oxygen mixed gas is prevented from escaping.
Example two
Referring to fig. 4, a oxyhydrogen generator comprising:
the oxyhydrogen producing device 2 is used for preparing hydrogen and oxygen by electrolyzing water;
the hydrogen output pipe 3 is used for producing hydrogen generated by electrolysis of the oxyhydrogen producing device 2, and two ends of the hydrogen output pipe 3 are respectively connected with a hydrogen outlet of the oxyhydrogen producing device 2 and the upper end of a hydrogen inlet nozzle 12 in the explosion-proof water collector 1;
the oxygen output pipe 4 is used for producing oxygen generated by the electrolysis of the oxyhydrogen producing device 2, and two ends of the oxygen output pipe 4 are respectively connected with an oxygen outlet of the oxyhydrogen producing device 2 and the upper end of an oxygen inlet nozzle 13 in the explosion-proof water collector 1;
and the mixed gas exhaust pipe 5 is used for outputting mixed oxyhydrogen gas in the explosion-proof water collector 1, and one end of the mixed gas exhaust pipe 5 is connected with the lower end of the air outlet nozzle 14 in the explosion-proof water collector 1.
Working principle:
the hydrogen and oxygen generated by the hydrogen-oxygen generating device 2 are respectively conveyed into the explosion-proof water collector 1 through a hydrogen output pipe 3 and an oxygen output pipe 4; in the water collector body 11, hydrogen and oxygen are subjected to gas-liquid separation, water vapor is left in the hollow cavity of the water collector body 11, and the hydrogen and oxygen are mixed in the hollow cavity; the mixed oxyhydrogen gas passes through the flame-retardant component 15 and the air outlet nozzle 14 along the air outlet direction and then enters the mixed gas exhaust pipe 5, and the mixed gas exhaust pipe 5 outputs the mixed gas to a required position.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. An explosion-proof water collector is characterized in that,
the water collector comprises a water collector main body (11), wherein the water collector main body (11) is of a hollow cylindrical structure;
the upper end of the water collector main body (11) is provided with a hydrogen air inlet nozzle (12) and an oxygen air inlet nozzle (13), the hydrogen air inlet nozzle (12) is used for inputting hydrogen, and the oxygen air inlet nozzle (13) is used for inputting oxygen supply;
an air outlet nozzle (14) is arranged at the lower end of the water collector main body (11), and the air outlet nozzle (14) is used for outputting oxyhydrogen mixed gas;
the upper end of the air outlet nozzle (14) is connected with a flame retardant component (15), and the flame retardant component (15) is provided with dense pores through which air can pass.
2. The explosion-proof water collector as set forth in claim 1, wherein,
the air outlet nozzle further comprises a fixing piece (16), wherein the fixing piece (16) is connected to the upper end of the air outlet nozzle (14) in a threaded mode;
the fixing piece (16) is provided with an air inlet channel, the air inlet channel of the fixing piece (16) is communicated with the air outlet channel of the air outlet nozzle (14) and forms an air passage, and the flame retardant assembly (15) is positioned in the air passage.
3. The explosion-proof water collector as set forth in claim 2, wherein,
the flame-retardant assembly (15) comprises a bobbin, an opening is arranged at the air inlet end of the bobbin, the air outlet end of the bobbin is of a blocking structure, and dense fine holes through which air can pass are formed in the blocking structure of the bobbin.
4. The explosion-proof water collector as set forth in claim 2, wherein,
the air inlet channel of the fixing piece (16) is internally provided with a spring (17), a first end of the spring (17) is in contact with the flame-retardant assembly (15), a second end of the spring (17) is in contact with the air outlet nozzle (14), and the spring (17) is connected with the air outlet nozzle (14) and then is pressed against the flame-retardant assembly (15) through elastic force.
5. The explosion-proof water collector as set forth in claim 2, wherein,
and a sealing gasket (18) is arranged at the contact position of the air inlet end of the flame retardant assembly (15) and the fixing piece (16).
6. The explosion-proof water collector as set forth in claim 2, wherein,
the water collector body (11) comprises an upper cylinder (111) and a lower cylinder (112), and the lower end of the upper cylinder (111) is in threaded connection with the upper end of the lower cylinder (112).
7. The explosion-proof water collector as set forth in claim 6, wherein,
a sealing ring (19) is arranged between the upper cylinder (111) and the lower cylinder (112).
8. A oxyhydrogen generator is characterized in that,
comprises an oxyhydrogen producing device (2), a hydrogen output pipe (3), an oxygen output pipe (4) and a mixed gas exhaust pipe (5), and also comprises an explosion-proof water collector (1) according to any one of claims 1 to 7;
two ends of the hydrogen output pipe (3) are respectively connected with a hydrogen outlet of the hydrogen-oxygen generating device (2) and the upper end of the hydrogen inlet nozzle (12);
two ends of the oxygen output pipe (4) are respectively connected with an oxygen outlet of the hydrogen-oxygen generating device (2) and the upper end of the oxygen inlet nozzle (13);
the lower end of the air outlet nozzle (14) is connected with one end of the mixed gas exhaust pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321056160.9U CN220166293U (en) | 2023-05-05 | 2023-05-05 | Explosion-proof water collector and oxyhydrogen generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321056160.9U CN220166293U (en) | 2023-05-05 | 2023-05-05 | Explosion-proof water collector and oxyhydrogen generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220166293U true CN220166293U (en) | 2023-12-12 |
Family
ID=89062746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321056160.9U Active CN220166293U (en) | 2023-05-05 | 2023-05-05 | Explosion-proof water collector and oxyhydrogen generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220166293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114082057A (en) * | 2021-12-20 | 2022-02-25 | 广东卡沃罗氢科技有限公司 | A hydrogen gas nozzle with an anti-tempering structure for a hydrogen generator and a hydrogen absorption device containing the same |
-
2023
- 2023-05-05 CN CN202321056160.9U patent/CN220166293U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114082057A (en) * | 2021-12-20 | 2022-02-25 | 广东卡沃罗氢科技有限公司 | A hydrogen gas nozzle with an anti-tempering structure for a hydrogen generator and a hydrogen absorption device containing the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220166293U (en) | Explosion-proof water collector and oxyhydrogen generator | |
| CN209294544U (en) | Hydrogen gas recovering device High Pressure Difference multistage low noise sleeve adjusting valve | |
| CN109340821A (en) | A kind of light aircraft engine chamber structure and its working method | |
| CN217526000U (en) | Hydrogen gas nozzle with anti-backfire structure for hydrogen machine and hydrogen absorption device | |
| CN112178271A (en) | Sleeve type pressure regulating valve | |
| KR101799610B1 (en) | Electricity-generation device | |
| CN114082057A (en) | A hydrogen gas nozzle with an anti-tempering structure for a hydrogen generator and a hydrogen absorption device containing the same | |
| CN203549885U (en) | Recycling device for pressure swing adsorption desorption gas and surplus hydrogen | |
| CN208185547U (en) | A kind of fuel gas safety valve of fast assembling-disassembling | |
| CN209342686U (en) | A kind of SF6 gasometric analysis instrument | |
| CN211530088U (en) | Hydrogen supply device and fuel cell | |
| CN116549789A (en) | Tempering prevention assembly and humidifying cup | |
| CN210186835U (en) | Sulfur-containing tail gas multistage purification device | |
| CN108639361B (en) | A fuel tank inerting device combining plasma and photocatalytic technology | |
| CN110030119B (en) | Simple diaphragm type carburetor | |
| CN108795507B (en) | Gasifier and gasification system | |
| CN207445394U (en) | Unidirectional spark arrester | |
| CN207342064U (en) | A kind of portable spray | |
| CN218458488U (en) | Voltage stabilization structure of voltage stabilization type pressure reducer | |
| CN2909024Y (en) | Anti-backfire device | |
| CN220842924U (en) | Integrated oxygen generating agent and carbon dioxide absorbent tank for scuba | |
| CN207686862U (en) | A kind of vibration at high speed machine vaporizer | |
| CN112932234B (en) | Cover body structure and hydrogen absorption water cup thereof | |
| CN221374596U (en) | An overpressure relief device for the main pipeline of an oxyhydrogen generator | |
| CN216498443U (en) | Flue gas carbon dioxide emission reduction device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |