CN114160503B - Oil smoke purifying mechanism for nut cold header - Google Patents
Oil smoke purifying mechanism for nut cold header Download PDFInfo
- Publication number
- CN114160503B CN114160503B CN202111373000.2A CN202111373000A CN114160503B CN 114160503 B CN114160503 B CN 114160503B CN 202111373000 A CN202111373000 A CN 202111373000A CN 114160503 B CN114160503 B CN 114160503B
- Authority
- CN
- China
- Prior art keywords
- oil smoke
- suction port
- purifying
- air outlet
- cavity
- 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.)
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- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 239000000779 smoke Substances 0.000 title claims description 74
- 238000000746 purification Methods 0.000 claims description 36
- 238000005406 washing Methods 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000003517 fume Substances 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims 2
- 230000005389 magnetism Effects 0.000 claims 1
- 239000006233 lamp black Substances 0.000 abstract description 26
- 239000003921 oil Substances 0.000 description 70
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
Abstract
The application discloses a lampblack purifying mechanism for a nut cold header, which comprises a lampblack suction port for sucking lampblack and a lampblack purifying device matched with the lampblack suction port, wherein an air inlet hose is arranged between the lampblack suction port and the input end of the lampblack purifying device, an air outlet hose communicated with the lampblack purifying device is arranged at the output end of the lampblack purifying device, an air outlet matched with the lampblack suction port is arranged at the other end of the air outlet hose, and the air outlet faces the lampblack suction port to form a circulating air path.
Description
Technical Field
The application relates to the technical field of cold heading machines, in particular to the technical field of an oil smoke purifying mechanism for a nut cold heading machine.
Background
The cold header is special equipment mainly used for mass production of fasteners such as nuts and bolts. At present, the cold header can release a large amount of heat in the course of working, consequently need a large amount of lubricating oil participation work in cold header working process, and lubricating oil can be in a large amount attached to the nut that has processed and take out, not only influences the product and also extravagant oil, in addition, the cold header during operation can produce the oil mist and can harm staff's health and surrounding environment, also need make corresponding processing.
Disclosure of Invention
The application aims to solve the problems in the prior art, and provides an oil fume purifying mechanism for a nut cold header, which can be combined with various types of cold headers to absorb and purify oil fume in the cold header process.
In order to achieve the above purpose, the application provides a lampblack purification mechanism for a nut cold header, which comprises a lampblack suction port for sucking lampblack and a lampblack purification device matched with the lampblack suction port, wherein an air inlet hose is arranged between the lampblack suction port and the input end of the lampblack purification device, an air outlet hose communicated with the lampblack purification device is arranged at the output end of the lampblack purification device, an air outlet matched with the lampblack suction port is arranged at the other end of the air outlet hose, the air outlet faces the lampblack suction port to form a circulating air path, the lampblack purification device comprises a purification host and a fan connected with one end of the purification host, the purification host comprises a purification shell and a plurality of purification cavities arranged in the purification shell, the output end of the fan is connected with the air outlet hose, the input end of the purification host is connected with the air inlet hose, fixing pieces which are detachably connected with the cold header are respectively arranged on the lampblack suction port and the air outlet, the fixing pieces comprise a magnetic suction base and a connecting arm which is hinged with the magnetic suction base, and the other end of the connecting arm is hinged with the lampblack suction port.
Preferably, the purification cavity is including locating the washing chamber of purification shell input side, be equipped with washing mechanism in the washing chamber, washing mechanism includes the cylinder form dredge hole purification body and locates dredge hole purification body upside spray mechanism, dredge hole purification body transversely locates in the washing chamber, spray mechanism with washing intracavity wall fixed connection, be equipped with on the purification shell and drive dredge hole purification body is rotatory driving motor around the axis, be equipped with the main drive shaft on the driving motor rotation axis, the main drive shaft runs through purification shell with dredge hole purification body fixed connection.
Preferably, an air flow dispersing net for dispersing air flow is arranged at one side of the water washing cavity, which is close to the input end of the purifying shell.
Preferably, a condensation cavity matched with the water washing cavity is arranged beside the water washing cavity, a condenser for condensing moisture in air is arranged in the condensation cavity, and a water tank for collecting liquid is arranged at the lower side of the condensation cavity and the lower side of the water washing cavity.
Preferably, the purifying cavity further comprises a plasma separating cavity, and a plasma generator is arranged in the plasma separating cavity.
Preferably, the purifying cavity further comprises an ultraviolet cavity arranged beside the plasma separating cavity, and a plurality of ultraviolet lamp tubes are arranged in the ultraviolet cavity.
Preferably, the purification cavity further comprises an activated carbon adsorption cavity arranged at the output end side of the purification shell, and a plurality of activated carbon adsorbers are detachably arranged in the activated carbon adsorption cavity.
Preferably, the connecting arm comprises a telescopic arm hinged with the magnetic suction base through a lockable hinge, one end, away from the magnetic suction base, of the telescopic arm is hinged with a second movable arm through the lockable hinge, and the other end of the second movable arm is hinged with the oil smoke suction port and the side wall of the air outlet through the lockable hinge.
Preferably, the inlet end of the oil smoke suction port is provided with an adjusting suction port hinged with the oil smoke suction port, and the adjusting suction port is communicated with the oil smoke suction port through a corrugated connecting pipe.
Preferably, the air outlet hose is provided with an electric control three-way valve, and an output port of the electric control three-way valve is connected with a second exhaust pipe.
The oil fume purifying mechanism for the nut cold header has the beneficial effects that: according to the application, the oil smoke purifying device and the oil smoke sucking port are arranged, so that the oil smoke generated in the production process of the nut cold header can be sucked, the oil smoke is purified by the oil smoke purifying device, pollution is reduced, the environment is prevented from being damaged by the oil smoke, the harm to the body of a worker is avoided, the air outlet is arranged at the output end of the oil smoke purifying device and faces the direction of the oil smoke sucking port, the oil smoke sucking port can be assisted to suck the oil smoke, wind energy is not wasted, the oil smoke sucking port and the air outlet are provided with the fixing pieces, the magnetic sucking base of the fixing pieces is convenient to combine with the traditional cold header, the oil smoke sucking port and the air outlet are adsorbed on the surface of the cold header, additional punching or welding is not needed, the installation and the disassembly are more convenient, the connecting arm is convenient to adjust the positions of the oil smoke sucking port and the air outlet, and the oil smoke sucking port is transversely arranged, the sight is not blocked, and the production condition of the cold header is prevented from being influenced.
The features and advantages of the present application will be described in detail by way of example with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic diagram of a front view structure of a lampblack purifying mechanism for a nut cold header.
Fig. 2 is a schematic diagram of a cross-sectional structure of a fume purifying device of a fume purifying mechanism for a nut cold header.
Fig. 3 is a schematic diagram of a structure of the oil smoke purifying mechanism for a nut cold header of the present application when combined with the cold header.
Detailed Description
The present application will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the detailed description and specific examples, while indicating the application, are intended for purposes of illustration only and are not intended to limit the scope of the application. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present application.
In the description of the present application, it should be noted that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships in which the inventive product is conventionally placed in use, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. . Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.
Embodiment one:
referring to fig. 1, 2 and 3, the oil smoke purifying mechanism for the nut cold header of the present application comprises an oil smoke suction port 1 for sucking oil smoke and an oil smoke purifying device matched with the oil smoke suction port 1, an air inlet hose 3 is arranged between the oil smoke suction port 1 and the input end of the oil smoke purifying device, an air outlet hose 4 communicated with the oil smoke purifying device is arranged at the output end of the oil smoke purifying device, an air outlet 5 matched with the oil smoke suction port 1 is arranged at the other end of the air outlet hose 4, the air outlet 5 faces the oil smoke suction port 1 to form a circulating air path, the oil smoke purifying device comprises a purifying host 2 and a fan 6 connected with one end of the purifying host 2, the purifying host 2 comprises a purifying shell 201 and a plurality of purifying cavities arranged in the purifying shell 201, the output end of the fan 6 is connected with the air outlet hose 4, the input end of the purifying host 2 is connected with the air inlet hose 3, fixing pieces 7 detachably connected with the oil smoke suction port 1 and the air outlet 5 are respectively arranged on the air outlet 5, and the fixing pieces 7 comprise a magnetic base 71 and a magnetic base 71, and an air suction arm 72 connected with the other end 72 of the oil smoke suction port 1. According to the embodiment, the oil smoke generated in the production process of the nut cold header can be absorbed through the oil smoke purifying device and the oil smoke sucking port 1, the oil smoke is purified through the oil smoke purifying device, pollution is reduced, the damage to the environment caused by oil smoke is avoided, the damage to the body of a worker is avoided, the air outlet 5 is arranged at the output end of the oil smoke purifying device and is arranged towards the direction of the oil smoke sucking port 1, the oil smoke sucking port 1 can be assisted to suck oil smoke, wind energy is not wasted, the fixing piece 7 is arranged on the oil smoke sucking port 1 and the air outlet 5, the magnetic suction base 71 of the fixing piece 7 is convenient to combine with the traditional cold header, the oil smoke sucking port 1 and the air outlet 5 are adsorbed on the surface of the cold header, additional punching or welding is not needed, the installation and the disassembly are more convenient, and the connecting arm 72 is convenient to adjust the positions of the oil smoke sucking port 1 and the air outlet 5.
Referring to fig. 1, 2 and 3, the purifying cavity includes a water washing cavity disposed at an input end side of the purifying housing 201, a water washing mechanism 21 is disposed in the water washing cavity, the water washing mechanism 21 includes a cylindrical hole-dredging purifying body 211 and a spraying mechanism 212 disposed at an upper side of the hole-dredging purifying body 211, the hole-dredging purifying body 211 is transversely disposed in the water washing cavity, the spraying mechanism 212 is fixedly connected with an inner wall of the water washing cavity, a driving motor 213 capable of driving the hole-dredging purifying body 211 to rotate around an axis is disposed on the purifying housing 201, a main driving shaft 214 is disposed on a rotating shaft of the driving motor 213, and the main driving shaft 214 penetrates through the purifying housing 201 and is fixedly connected with the hole-dredging purifying body 211. The arrangement of the rotatable hole-dredging purifying body 211 is matched with the spraying mechanism 212 to wash the oil smoke, so that the oil smoke inside the hole-dredging purifying body 211 can be fully contacted with the hole-dredging purifying body 211 and spray water in the rotating process of the hole-dredging purifying body 211, and the adsorption effect is better.
Referring to fig. 1, 2 and 3, an airflow dispersing net 215 for dispersing airflow is disposed in the water washing chamber at a side near the input end of the purifying housing 201. The soot is uniformly dispersed into the pore-dredging purification body 211. Improving the washing quality.
Referring to fig. 1, 2 and 3, a condensation chamber matched with the water washing chamber is arranged beside the water washing chamber, and a condenser 22 for condensing moisture in air is arranged in the condensation chamber. The water in the air after washing is conveniently condensed out, and the influence of excessive water on other devices and cold header in the oil smoke purifying device is avoided.
Referring to fig. 1, 2 and 3, the lower sides of the condensation chamber and the washing chamber are provided with a water tank 23 for collecting liquid.
Referring to fig. 1, 2 and 3, the purifying chamber further includes a plasma separating chamber, and a plasma generator 24 is disposed in the plasma separating chamber. The molecular structure of the soot is destroyed by the generation of high energy electrons by the plasma generator 24.
Referring to fig. 1, 2 and 3, the purifying cavity further includes an ultraviolet cavity disposed beside the plasma separating cavity, and a plurality of ultraviolet lamp tubes 25 are disposed in the ultraviolet cavity. In cooperation with the plasma generator 24, ultraviolet sterilization is performed on the exhaust gas.
Referring to fig. 1, 2 and 3, the purifying cavity further includes an activated carbon adsorption cavity disposed at an output end side of the purifying housing 201, and a plurality of activated carbon adsorbers 26 are detachably disposed in the activated carbon adsorption cavity.
Referring to fig. 1, 2 and 3, the connecting arm 72 includes a telescopic arm 721 hinged to the magnetic base 71 by a lockable hinge 723, one end of the telescopic arm 721 away from the magnetic base 71 is hinged to a second movable arm 722 by the lockable hinge 723, and the other end of the second movable arm 722 is hinged to the side walls of the oil smoke suction port 1 and the air outlet 5 by the lockable hinge 723. The positions and the orientations of the oil smoke suction port 1 and the air outlet 5 are convenient to adjust according to the installation requirement, and the device is suitable for various different types.
Referring to fig. 1, 2 and 3, an inlet end of the oil smoke suction port 1 is provided with an adjusting suction port 11 hinged with the oil smoke suction port 1, and the adjusting suction port 11 is communicated with the oil smoke suction port 1 through a corrugated connecting pipe 12, so that the suction direction is facilitated.
Referring to fig. 1, 2 and 3, the air outlet hose 4 is provided with an electric control three-way valve 13, and an output port of the electric control three-way valve 13 is connected with a second exhaust pipe 14. The second exhaust pipe 14 can be communicated with the outside, and when the air quality is poor, the purified exhaust gas can be communicated with the outside of the air channel through the electric control three-way valve 13.
The working process of the application comprises the following steps:
in the working process of the oil fume purifying mechanism for the nut cold header, the oil fume suction port 1 and the air outlet 5 are respectively fixed on two sides of an oil fume generating position of the cold header through the fixing piece 7, oil fume enters the oil fume purifying device through the oil fume suction port 1 and the air inlet hose 3, purified air is discharged through the air outlet 5, and the air outlet 5 is arranged towards the direction of the oil fume suction port 1, so that the oil fume suction port 1 can be assisted to suck oil fume, and wind energy is not wasted.
The above embodiments are illustrative of the present application, and not limiting, and any simple modifications of the present application fall within the scope of the present application.
Claims (2)
1. The utility model provides a nut is oil smoke purifying mechanism for cold heading machine, including oil smoke suction port (1) and with oil smoke suction port (1) complex oil smoke purifier, oil smoke suction port (1) with be equipped with air inlet hose (3), its characterized in that between oil smoke purifier the input: the oil smoke purification device output end is provided with an air outlet hose (4) communicated with the oil smoke purification device output end, the other end of the air outlet hose (4) is provided with an air outlet (5) matched with the oil smoke suction port (1), the air outlet (5) faces the oil smoke suction port (1) to form a circulating air path, the oil smoke purification device comprises a purification main machine (2) and a fan (6) connected with one end of the purification main machine (2), the purification main machine (2) comprises a purification shell (201) and a plurality of purification cavities arranged in the purification shell (201), the output end of the fan (6) is connected with the air outlet hose (4), the input end of the purification main machine (2) is connected with the air inlet hose (3), the oil smoke suction port (1) and the air outlet (5) are respectively provided with a fixing piece (7) which is detachably connected with a cold header, the fixing piece (7) comprises a magnetic suction base (71) and a connecting arm (72) which is hinged with the magnetic suction base (71), the other end of the connecting arm (72) is connected with the air outlet (1) in a hinged mode, the water washing cavity (201) is arranged at the water washing cavity side, the water washing mechanism (21) comprises a cylindrical hole-dredging purifying body (211) and a spraying mechanism (212) arranged on the upper side of the hole-dredging purifying body (211), the hole-dredging purifying body (211) is transversely arranged in the water washing cavity, the spraying mechanism (212) is fixedly connected with the inner wall of the water washing cavity, a driving motor (213) capable of driving the hole-dredging purifying body (211) to rotate around an axis is arranged on the purifying shell (201), a main driving shaft (214) is arranged on a rotating shaft of the driving motor (213), the main driving shaft (214) penetrates through the purifying shell (201) and is fixedly connected with the hole-dredging purifying body (211), an airflow dispersing net (215) for scattering airflow is arranged on one side, close to the input end of the purifying shell (201), a condensing cavity matched with the hole-dredging purifying body is arranged beside the water washing cavity, a condenser (22) for condensing water in the air, a water tank (23) for collecting liquid is arranged on the lower side of the water washing cavity, the condensing cavity comprises a plasma purifying cavity, a plasma separating body (24) and an ultraviolet light plasma absorbing cavity (25), a plurality of ultraviolet light absorbing cavities (25) are arranged on the side of the ultraviolet light absorbing cavity, and the ultraviolet light absorbing cavity (25) are arranged on the side of the ultraviolet light absorbing cavity, the utility model discloses a kitchen ventilator, including base (71) and oil smoke suction port (1), active carbon adsorption intracavity can dismantle and be equipped with a plurality of active carbon adsorber (26), linking arm (72) include with base (71) are inhaled through lockable articulated arm (721) that are connected to articulated, keep away from on flexible arm (721) one end that base (71) was inhaled to the magnetism is articulated through lockable articulated arm (723) be equipped with second movable arm (722), second movable arm (722) other end through lockable articulated arm (723) with oil smoke suction port (1), gas outlet (5) lateral wall hinge connection, oil smoke suction port (1) entry end be equipped with oil smoke suction port (1) articulated adjustment suction port (11) of being connected, adjustment suction port (11) with oil smoke suction port (1) between pass through ripple connecting pipe (12) intercommunication.
2. The oil fume purification mechanism for nut cold header as claimed in claim 1, wherein: an electric control three-way valve (13) is arranged on the air outlet hose (4), and a second exhaust pipe (14) is connected to an output port of the electric control three-way valve (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111373000.2A CN114160503B (en) | 2021-11-19 | 2021-11-19 | Oil smoke purifying mechanism for nut cold header |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111373000.2A CN114160503B (en) | 2021-11-19 | 2021-11-19 | Oil smoke purifying mechanism for nut cold header |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114160503A CN114160503A (en) | 2022-03-11 |
| CN114160503B true CN114160503B (en) | 2023-11-28 |
Family
ID=80479652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111373000.2A Active CN114160503B (en) | 2021-11-19 | 2021-11-19 | Oil smoke purifying mechanism for nut cold header |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114160503B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2303105Y (en) * | 1997-07-22 | 1999-01-06 | 林宏森 | Air ventilation equipment for waste gas treatment by spraying and adsorption method |
| CN202446957U (en) * | 2012-02-23 | 2012-09-26 | 柳州市恒一环保科技有限公司 | Lampblack purifier |
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| CN204584162U (en) * | 2015-04-28 | 2015-08-26 | 常州市新晞电气制造有限公司 | A kind of fume purifier of fume of cold headers |
| CN106345252A (en) * | 2016-09-30 | 2017-01-25 | 苏州海思乐废气处理设备有限公司 | Plasma composite device |
| CN107495629A (en) * | 2017-09-30 | 2017-12-22 | 福建金源泉科技发展有限公司 | A kind of hot pot table for reducing oil smoke |
| CN207413053U (en) * | 2017-09-18 | 2018-05-29 | 福建省爱善环保科技有限公司 | A kind of new high-efficiency is atomized devulcanizer |
| CN108686503A (en) * | 2018-07-23 | 2018-10-23 | 蔡林祥 | A kind of cleaning plant for waste gas of plasma |
| CN210647685U (en) * | 2019-10-18 | 2020-06-02 | 邓珺 | Dust collector of electric automation equipment |
| CN112169514A (en) * | 2020-09-30 | 2021-01-05 | 佛山市顺德区金磊环保科技有限公司 | Combined type oil smoke purifier |
| CN212419482U (en) * | 2020-04-30 | 2021-01-29 | 嘉兴泰基金属科技有限公司 | Cold heading machine unloader's waste gas absorbing structure |
| CN213348249U (en) * | 2020-07-31 | 2021-06-04 | 沈阳绿环环保工程有限公司 | Combined type oil smoke clarification plant |
| CN113398699A (en) * | 2021-06-16 | 2021-09-17 | 朱文卿 | Oil fume ultra-purification treatment device and treatment method |
-
2021
- 2021-11-19 CN CN202111373000.2A patent/CN114160503B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2303105Y (en) * | 1997-07-22 | 1999-01-06 | 林宏森 | Air ventilation equipment for waste gas treatment by spraying and adsorption method |
| CN202446957U (en) * | 2012-02-23 | 2012-09-26 | 柳州市恒一环保科技有限公司 | Lampblack purifier |
| CN103785266A (en) * | 2014-02-28 | 2014-05-14 | 青岛路博宏业环保技术开发有限公司 | Combined type waste gas purification all-in-one machine |
| CN204584162U (en) * | 2015-04-28 | 2015-08-26 | 常州市新晞电气制造有限公司 | A kind of fume purifier of fume of cold headers |
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| CN108686503A (en) * | 2018-07-23 | 2018-10-23 | 蔡林祥 | A kind of cleaning plant for waste gas of plasma |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114160503A (en) | 2022-03-11 |
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