CN2633442Y - Automatic conveyer chain spray cleaning system - Google Patents
Automatic conveyer chain spray cleaning system Download PDFInfo
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- CN2633442Y CN2633442Y CN 03209860 CN03209860U CN2633442Y CN 2633442 Y CN2633442 Y CN 2633442Y CN 03209860 CN03209860 CN 03209860 CN 03209860 U CN03209860 U CN 03209860U CN 2633442 Y CN2633442 Y CN 2633442Y
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Abstract
The utility model relates to an automatic conveyer chain spray cleaning system, which comprises a conveyer chain, a spraying unit and a cleaning unit, the utility model is characterized in that a stainless steel net-shaped conveyer chain is mainly used to deliver a shaft type part, a cleaned part is accessed into a packing area G after sequentially passed through a spray oil-removing area B, a spray cleaning area C, a pure water spraying area D, a dry blowing area E and a dying area F; the B, C, D, E, F areas can structure the sealing automatic conveyer chain spray cleaning system; a plurality of spraying tubes and spraying nozzles as well as a water collecting groove and a transfer pump circulated spraying device are all arranged in the B,C D areas; an oil removing groove and an overflowing port are arranged in B area, which are connected with a waste water treatment device outside a sealing area; the utility model adopts the stainless steel structure and the stainless steel conveyer chain, the shaft type parts are conveyed by the conveyer chain, and are continuously passed through the spraying process, the oil-removing process, the cleaning process and the drying process as a highly efficient production style, the problems of chemical liquid dripping and leaking and the effect of dust can be avoided in cleaning process, the cleaning quality is improved, the production condition is optimized, so that the environment protection requirement can be met.
Description
One, technical field:
The utility model relates to a kind of scrubbing lock out operation equipment, particularly discloses a kind of automatic transport chain spray cleaning system, is applied to the surface degreasing of axial workpiece after the machining.
Two, background technology:
The metal parts surface that processes with the machining mode has adhered to oils such as widely used cutting oil, antirust oil, kerosene in the industry inevitably, and these greasy dirts finally must thoroughly be removed totally.Still there is not at present the statement of the automatic transport chain spray cleaning system technological process that surperficial mechanical processing oil dirt is cleaned at axial workpiece merely.
Method of chemical immersion is the technical method that is widely used in piece surface oil removal in the field of surface treatment at present.The technological process of method of chemical immersion is:
Hanger in the craft → dipping oil removing → washing → secondary chemical impregnation → secondary water washing → three time washing → pure water cleaning → oven dry → craft is hanger down.
The problem that prior art exists has:
1) hanger in the craft, use is artificial many, and efficient is low;
2) shifting hanger in the operating process repeatedly makes the water clock of chemical liquids inevitable;
3) removing oil solution and part is Static Contact, the contact of can't fully flowing mutually, and deoiling effect is poor, can't reach fully evenly oil removing, so often need the above dipping in two roads just can reach comparatively satisfied effect;
4) removing oil solution can't recycle;
5) the discontinuous operation is that workflow is discontinuous, is unfavorable for job placement;
6) open operation, chemical liquids has harmful effect to environment in the cleaning process, and dust can impact part (especially precision component) cleaning in the air simultaneously.
Three, summary of the invention:
The purpose of this utility model is in order to solve the deficiencies in the prior art, characteristics at the axial workpiece oil removing, a kind of automatic transport chain spray cleaning system is disclosed, be applicable to the cutting oil of various precision metallic axle class surface attachment, the removing of antirust wet goods oils, have characteristics such as efficient, quick, environmental protection.
The utility model is a kind of automatic transport chain spray cleaning system, comprise carrier chain, spray, cleaning part, it is characterized in that: adopt the netted carrier chain of stainless steel to transport axial workpiece for the transportation main body, be cleaned part and enter bagging area G successively after spraying oil-removing area B, spray Cleaning for High Capacity district C, pure water spray district D, drying up district E, baking zone F from area in preparation A, described B, C, D, E, F district consist of sealing automatic transport chain spray cleaning system; Be equipped with several showers, spray head in B, C, the D district, and water leg and delivery pump circulating sprayer, also be provided with degreasing tank in the B district, overfall is connected to the outer wastewater treatment equipment of seal area.
The utility model automatic transport chain spray cleaning system comprises carrier chain, spray, cleaning part for the sealing spray cleaning system.By the netted carrier chain of stainless steel is that the transportation main body is transported axial workpiece, is cleaned part and enters bagging area successively after spraying oil-removing area, spray Cleaning for High Capacity district, pure water spray district, drying up district, baking zone.The carrier chain per minute 95cm to 105cm that advances, per minute can be finished the cleaning of 38～43 fulcrum class parts.
Spray oil-removing area lateral symmetry is provided with each 8 row's shower up and down, and every row's shower vertically is provided with 6～8 spray heads, and catchment pallet, degreasing tank and a delivery pump installed in the spray head below.Degreasing tank divides I major trough, the II lead-over groove, and the III overflow launder, degreasing fluid is cleaned piece surface to overflow launder after delivery pump pump to mouth spray is injected into through lead-over groove from major trough.
6 row's showers have respectively been installed in the spray Cleaning for High Capacity district up and down, and every row's shower vertically is provided with 6～8 spray heads, and there are the pallet of catchmenting, rinsing bowl and delivery pump in the spray head below, clean delivery pump and play the cyclic spray effect.
4 row's showers have respectively been installed in pure water spray district up and down, and every row's shower vertically is provided with 6～8 spray heads, and there are the pallet of catchmenting, pure water groove and delivery pump in the spray head below.
Dry up the district by each 4 a row's stainless steel airduct and a blower fan are formed up and down.
Baking zone mainly is made up of two groups of heating wire up and down, and bake out temperature is controlled between 60 ℃～90 ℃.
The course of work of the present utility model and principle are as follows:
Attached to the greasy dirt of piece surface carrying out 2 to 3 minutes injection under 30 ℃～50 ℃ the temperature through the degreasing fluid that contains degreaser 3%～5% after, the greasy dirt of piece surface can be by emulsification fully, after passing through running water spray Cleaning for High Capacity and pure water spray Cleaning for High Capacity again, part can thoroughly be cleaned up, by drying up the water droplet of blowing away piece surface, guarantee the complete dry and comfortable back of piece surface packing after the drying then.
Four, description of drawings:
Accompanying drawing is the utility model structure diagram
Each element is in the drawings: 1, carrier chain; 2, be cleaned a part; 3, exhaust outlet; 4, spray head; 5, blowing mouth; 6, spray head; 7, blowing mouth; 8, spray head; 9, exhaust outlet; 10, blowing mouth; 11, cleaning components; 12, driving wheel; 13, baking oven; 14, air blast; 15, blowing mouth; 16, delivery pump; 17, pure water groove; 18, collection DI; 19, the pallet that catchments; 20, spray head; 21, delivery pump; 22, rinsing bowl; 23, collector pipe; 24, the pallet that catchments; 25, spray head; 26, the pallet that catchments; 27, collection degreasing fluid pipe; 28, degreasing tank; 29, delivery pump; 30, overfall; 31, spray head.
Five, the specific embodiment:
Automatic transport chain spray cleaning system is that length overall is 1275cm, wide 183cm, high 170cm, is the sealing purging system.Its carrier chain 1 is by driving wheel 12 transmissions, the netted carrier chain of stainless steel with the wide 90cm of long 2700cm is the transportation main body, after spraying oil-removing area B, spray Cleaning for High Capacity district C, pure water spray district D, drying up district E, baking zone F, enter bagging area G district successively from area in preparation A, get back to the A district then again, be persistent state.B, C, D, E, F district form the sealing purging system.The part 2 that is cleaned places netted carrier chain surface, A district to enter the B district, spray about 2～3 minutes of the degreasing fluid that contains degreaser by spray head 4,31, the degreasing fluid of drippage focuses in the degreasing tank 28 through the pallet 26 that catchments, because of greasy dirt lighter, all float on the degreasing fluid surface, the greasy dirt that floats on liquid level is directly drained into wastewater treatment equipment through overfall 30, and the cleaning degreasing fluid after the filtration is recycling to mouth spray by delivery pump 29 pumps again, the B district produce steam discharge by exhaust outlet 3.
The degreasing fluid of piece surface is blown off by blowing mouth 5, and residual titration is in degreasing tank.When part during through the C district, spray head 6,25 ejects about 2～3 minutes of the electrochemical deoiling liquid spray Cleaning for High Capacity that running water speckles with piece surface, and the water after the cleaning is back in the rinsing bowl 22 by collector pipe 23 through the pallet 24 that catchments, and the water of mouth spray is provided by delivery pump 21.
After being dried up by blowing mouth 7, the globule that is hung on piece surface enters pure water spray D district, spray pure water by spray head 8,20 piece surface is entered the E district through after about 2 minutes pure water spray Cleaning for High Capacity, water after the cleaning is through the pallet 19 that catchments, be back in the pure water groove 17 by collector pipe 18, the water of spray head is provided by delivery pump 16, blowing mouth 10,15 usefulness air blasts 14 in E district are spent 30 seconds time that the pure water of piece surface is dripped thoroughly and are dried up, and steam is discharged by exhaust outlet 9.
The baking zone F of part needs 4～5 fens clock times that part is dried by the baking oven 13 that is installed in the carrier chain upper and lower sides, and the part 11 after the oven dry enters the packaging area by the G district.
The beneficial effects of the utility model are:
Automatic conveyer chain spray cleaning system adopts stainless steel structure and stainless steel carrier chain, and axial workpiece is transported by carrier chain Sending, continuously pass through spray, oil removing, cleaning, oven dry, is the mode of production of high-efficiency and continuous.
1) carrier chain conveying parts no longer needs manual operations, reduces manually, has improved operating efficiency;
2) enclosed environment adopts collector pipe to guarantee that degreasing fluid all passes back into degreasing tank, has avoided the chemical liquids water clock fully;
3) the spray part of whole system all adopts the upper and lower spray head to spray simultaneously, make required cleaning components evenly, Thoroughly with except washing lotion flows contact, both improved cleaning efficiency, can improve cleaning quality again;
4) in order to alleviate as far as possible chemical substance to the impact of environment, oil removing system circulates, and emulsified greasy dirt passes through The water-oil separating overflow that is provided with especially flows into special treating apparatus, makes degreasing fluid prolong one times service life;
5) whole cleaning process is continuous, and part output is continuous, and workflow is continuous;
6) the totally-enclosed property of purging system has been avoided the water clock of chemical liquids and the impact of dust in the cleaning process, has improved cleaning Quality has been improved production environment, meet the requirement of environmental protection.
Claims (5)
1, a kind of automatic transport chain spray cleaning system, comprise carrier chain, spray, cleaning part, it is characterized in that: adopt the netted carrier chain of stainless steel to transport axial workpiece for the transportation main body, be cleaned part and enter bagging area G successively after spraying oil-removing area B, spray Cleaning for High Capacity district C, pure water spray district D, drying up district E, baking zone F from area in preparation A, described B, C, D, E, F district consist of sealing automatic transport chain spray cleaning system; Be equipped with several showers, spray head in B, C, the D district, and water leg and delivery pump circulating sprayer, also be provided with degreasing tank in the B district, overfall is connected to the outer wastewater treatment equipment of seal area.
2, automatic transport chain spray cleaning system according to claim 1, it is characterized in that: the circulating sprayer that is provided with in described B, C, the D district, lateral symmetry is provided with upper and lower each 8 row's shower in the B district, every row's shower vertically is provided with 6～8 spray heads, the pallet that catchments is installed in spray head below, the degreasing fluid pipe of pallet of catchmenting is connected to degreasing tank and the delivery pump that three joints are arranged continuously, and the overfall of degreasing tank is connected to the wastewater treatment equipment outside the system; The upper and lower 6 row's showers of respectively installing in the C district, every row's shower vertically is provided with 6～8 spray heads, and there are the pallet of catchmenting, rinsing bowl and delivery pump in the spray head below; The upper and lower 4 row's showers of respectively installing in the D district, every row's shower vertically is provided with 6～8 spray heads, and there are the pallet of catchmenting, pure water groove and delivery pump in the spray head below.
3, automatic transport chain spray cleaning system according to claim 1 is characterized in that: the described blower fan that is provided with upper and lower each 4 row's stainless steel airduct and connection in the district E that dries up.
4, according to claim 1 or 2 or 3 described automatic transport chain spray cleaning systems, it is characterized in that: be provided with upper and lower two groups of baking ovens of forming by heating wire in the described baking zone F.
5, automatic transport chain spray cleaning system according to claim 4 is characterized in that: the long 2700cm of the netted carrier chain of stainless steel, wide 90cm, the sealing spray cleaning system of composition is long to be 1275cm, wide 183cm, high 170cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03209860 CN2633442Y (en) | 2003-08-19 | 2003-08-19 | Automatic conveyer chain spray cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03209860 CN2633442Y (en) | 2003-08-19 | 2003-08-19 | Automatic conveyer chain spray cleaning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2633442Y true CN2633442Y (en) | 2004-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03209860 Expired - Fee Related CN2633442Y (en) | 2003-08-19 | 2003-08-19 | Automatic conveyer chain spray cleaning system |
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| CN (1) | CN2633442Y (en) |
Cited By (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100422050C (en) * | 2005-06-14 | 2008-10-01 | 万向钱潮股份有限公司 | On-line roller cleaning, oiling and packing device |
| CN101966524A (en) * | 2010-09-01 | 2011-02-09 | 杭州杭氧股份有限公司 | Automatic cleaning method and device for aluminium alloy composite boards |
| CN102264192A (en) * | 2011-06-30 | 2011-11-30 | 深南电路有限公司 | Horizontal equipment and method for processing printed circuit board |
| CN102500567A (en) * | 2011-09-28 | 2012-06-20 | 迈凯实金属技术（苏州）有限公司 | Energy-saving cleaning device |
| CN102989708A (en) * | 2012-12-27 | 2013-03-27 | 郑州精益达汽车零部件有限公司 | Cleaning machine for axle housing of passenger car driving axle |
| CN103008278A (en) * | 2012-12-27 | 2013-04-03 | 郑州精益达汽车零部件有限公司 | Automatic cleaning machine of axle components |
| CN103008305A (en) * | 2013-01-06 | 2013-04-03 | 山东万通液压机械有限公司 | Full-automatic cylinder barrel washing machine |
| CN103691705A (en) * | 2013-12-18 | 2014-04-02 | 常熟市天河机械设备制造有限公司 | Aluminum composite plate surface cleaning process |
| CN104163573A (en) * | 2014-07-24 | 2014-11-26 | 然斯康波达机电设备(深圳)有限公司 | Spray-type glass ink-removal cleaner |
| CN104646334A (en) * | 2013-11-21 | 2015-05-27 | 宜昌中威清洗机有限公司 | Full-automatic cleaning oil-coating device |
| CN105312290A (en) * | 2014-07-28 | 2016-02-10 | 重庆科本科技有限公司 | Fine cleaning device for cylinders |
| CN105921441A (en) * | 2016-04-27 | 2016-09-07 | 贡享本草（永泰）生物科技有限公司 | High pressure mist spraying cleaning method and device for aoectochilus formosanus |
| CN106040645A (en) * | 2016-07-12 | 2016-10-26 | 康得复合材料有限责任公司 | Method for cleaning and drying carbon fiber composite work-pieces in batches |
| CN106180039A (en) * | 2016-07-22 | 2016-12-07 | 无锡派乐科技有限公司 | A kind of remote monitoring type part automatic clearing apparatus |
| CN106216292A (en) * | 2016-07-22 | 2016-12-14 | 无锡派乐科技有限公司 | Device cleans in the automatization of a kind of part |
| CN106345746A (en) * | 2016-09-29 | 2017-01-25 | 张家港市港威超声电子有限公司 | Energy-saving and environmentally friendly production line for automatically cleaning and drying composite copper-aluminum bars and cleaning and drying method thereof |
| CN107214140A (en) * | 2017-06-30 | 2017-09-29 | 宁波市鄞州风名工业产品设计有限公司 | A kind of pneumatic actuation fastener scouring dry slot |
| CN107243478A (en) * | 2017-06-30 | 2017-10-13 | 宁波市鄞州风名工业产品设计有限公司 | Fastener heating pickling washing dry slot built in a kind of pneumatic actuation |
| CN107282520A (en) * | 2017-06-30 | 2017-10-24 | 宁波市鄞州风名工业产品设计有限公司 | A kind of built-in pneumatic double helix water conservancy diversion automatic fastener rinsing bowl |
| CN107309207A (en) * | 2017-06-30 | 2017-11-03 | 宁波市鄞州风名工业产品设计有限公司 | A kind of automatic built-in pneumatic water conservancy diversion fastener acid-water washing two uses groove |
| CN107398449A (en) * | 2017-06-30 | 2017-11-28 | 宁波市鄞州风名工业产品设计有限公司 | Fastener scouring washing and drying groove built in a kind of pneumatic actuation |
| CN107433267A (en) * | 2017-06-30 | 2017-12-05 | 宁波市鄞州风名工业产品设计有限公司 | A kind of built-in pneumatic is oriented to fastener heating and washes multi-purpose groove more |
| CN107433269A (en) * | 2017-06-30 | 2017-12-05 | 宁波市鄞州风名工业产品设计有限公司 | A kind of pneumatic water conservancy diversion automatic fastener pickling groove |
| CN107866394A (en) * | 2016-09-23 | 2018-04-03 | 苏州润桐专利运营有限公司 | One kind spray air-dries cleaning device |
| CN108126943A (en) * | 2018-01-29 | 2018-06-08 | 湖州龙溢机械有限公司 | A kind of automobile axial workpiece hole flushing device |
| CN108927364A (en) * | 2018-06-11 | 2018-12-04 | 滁州恒通磁电科技有限公司 | A kind of surface cleaning apparatus for magnetic shoe grinding processing |
| CN110938956A (en) * | 2018-09-25 | 2020-03-31 | 宁波方太厨具有限公司 | Hollow fiber membrane post-treatment continuous production device and method |
| CN112458471A (en) * | 2020-10-23 | 2021-03-09 | 武汉拓材科技有限公司 | Cleaning device and method for ultra-high-purity cadmium rod |
| CN114129343A (en) * | 2021-11-30 | 2022-03-04 | 许昌贝瑞斯光电科技有限公司 | Production line for producing electric welding goggles |
| CN114134508A (en) * | 2021-11-23 | 2022-03-04 | 鞍钢联众(广州)不锈钢有限公司 | Method for improving corrosion defects of 400-series steel grades |
| CN114273333A (en) * | 2022-01-25 | 2022-04-05 | 李明广 | Cleaning system for range hood |
-
2003
- 2003-08-19 CN CN 03209860 patent/CN2633442Y/en not_active Expired - Fee Related
Cited By (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100422050C (en) * | 2005-06-14 | 2008-10-01 | 万向钱潮股份有限公司 | On-line roller cleaning, oiling and packing device |
| CN101966524A (en) * | 2010-09-01 | 2011-02-09 | 杭州杭氧股份有限公司 | Automatic cleaning method and device for aluminium alloy composite boards |
| CN102264192A (en) * | 2011-06-30 | 2011-11-30 | 深南电路有限公司 | Horizontal equipment and method for processing printed circuit board |
| CN102500567A (en) * | 2011-09-28 | 2012-06-20 | 迈凯实金属技术（苏州）有限公司 | Energy-saving cleaning device |
| CN102989708A (en) * | 2012-12-27 | 2013-03-27 | 郑州精益达汽车零部件有限公司 | Cleaning machine for axle housing of passenger car driving axle |
| CN103008278A (en) * | 2012-12-27 | 2013-04-03 | 郑州精益达汽车零部件有限公司 | Automatic cleaning machine of axle components |
| CN102989708B (en) * | 2012-12-27 | 2015-01-21 | 郑州精益达汽车零部件有限公司 | Cleaning machine for axle housing of passenger car driving axle |
| CN103008305A (en) * | 2013-01-06 | 2013-04-03 | 山东万通液压机械有限公司 | Full-automatic cylinder barrel washing machine |
| CN104646334A (en) * | 2013-11-21 | 2015-05-27 | 宜昌中威清洗机有限公司 | Full-automatic cleaning oil-coating device |
| CN103691705A (en) * | 2013-12-18 | 2014-04-02 | 常熟市天河机械设备制造有限公司 | Aluminum composite plate surface cleaning process |
| CN104163573A (en) * | 2014-07-24 | 2014-11-26 | 然斯康波达机电设备(深圳)有限公司 | Spray-type glass ink-removal cleaner |
| CN105312290A (en) * | 2014-07-28 | 2016-02-10 | 重庆科本科技有限公司 | Fine cleaning device for cylinders |
| CN105312290B (en) * | 2014-07-28 | 2017-10-03 | 重庆科本科技有限公司 | Cylinder body poacher |
| CN105921441A (en) * | 2016-04-27 | 2016-09-07 | 贡享本草（永泰）生物科技有限公司 | High pressure mist spraying cleaning method and device for aoectochilus formosanus |
| CN106040645A (en) * | 2016-07-12 | 2016-10-26 | 康得复合材料有限责任公司 | Method for cleaning and drying carbon fiber composite work-pieces in batches |
| CN106040645B (en) * | 2016-07-12 | 2018-10-02 | 康得复合材料有限责任公司 | A kind of cleaning of high-volume, dried carbon fiber composite material workpiece method |
| CN106180039A (en) * | 2016-07-22 | 2016-12-07 | 无锡派乐科技有限公司 | A kind of remote monitoring type part automatic clearing apparatus |
| CN106216292A (en) * | 2016-07-22 | 2016-12-14 | 无锡派乐科技有限公司 | Device cleans in the automatization of a kind of part |
| CN107866394A (en) * | 2016-09-23 | 2018-04-03 | 苏州润桐专利运营有限公司 | One kind spray air-dries cleaning device |
| CN106345746A (en) * | 2016-09-29 | 2017-01-25 | 张家港市港威超声电子有限公司 | Energy-saving and environmentally friendly production line for automatically cleaning and drying composite copper-aluminum bars and cleaning and drying method thereof |
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| CN107309207A (en) * | 2017-06-30 | 2017-11-03 | 宁波市鄞州风名工业产品设计有限公司 | A kind of automatic built-in pneumatic water conservancy diversion fastener acid-water washing two uses groove |
| CN107398449A (en) * | 2017-06-30 | 2017-11-28 | 宁波市鄞州风名工业产品设计有限公司 | Fastener scouring washing and drying groove built in a kind of pneumatic actuation |
| CN107433267A (en) * | 2017-06-30 | 2017-12-05 | 宁波市鄞州风名工业产品设计有限公司 | A kind of built-in pneumatic is oriented to fastener heating and washes multi-purpose groove more |
| CN107433269A (en) * | 2017-06-30 | 2017-12-05 | 宁波市鄞州风名工业产品设计有限公司 | A kind of pneumatic water conservancy diversion automatic fastener pickling groove |
| CN107243478A (en) * | 2017-06-30 | 2017-10-13 | 宁波市鄞州风名工业产品设计有限公司 | Fastener heating pickling washing dry slot built in a kind of pneumatic actuation |
| CN107282520A (en) * | 2017-06-30 | 2017-10-24 | 宁波市鄞州风名工业产品设计有限公司 | A kind of built-in pneumatic double helix water conservancy diversion automatic fastener rinsing bowl |
| CN108126943A (en) * | 2018-01-29 | 2018-06-08 | 湖州龙溢机械有限公司 | A kind of automobile axial workpiece hole flushing device |
| CN108927364A (en) * | 2018-06-11 | 2018-12-04 | 滁州恒通磁电科技有限公司 | A kind of surface cleaning apparatus for magnetic shoe grinding processing |
| CN110938956A (en) * | 2018-09-25 | 2020-03-31 | 宁波方太厨具有限公司 | Hollow fiber membrane post-treatment continuous production device and method |
| CN112458471A (en) * | 2020-10-23 | 2021-03-09 | 武汉拓材科技有限公司 | Cleaning device and method for ultra-high-purity cadmium rod |
| CN114134508A (en) * | 2021-11-23 | 2022-03-04 | 鞍钢联众(广州)不锈钢有限公司 | Method for improving corrosion defects of 400-series steel grades |
| CN114129343A (en) * | 2021-11-30 | 2022-03-04 | 许昌贝瑞斯光电科技有限公司 | Production line for producing electric welding goggles |
| CN114273333A (en) * | 2022-01-25 | 2022-04-05 | 李明广 | Cleaning system for range hood |
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