CN220537888U - Protective structure of hot galvanizing process - Google Patents
Protective structure of hot galvanizing process Download PDFInfo
- Publication number
- CN220537888U CN220537888U CN202321733121.8U CN202321733121U CN220537888U CN 220537888 U CN220537888 U CN 220537888U CN 202321733121 U CN202321733121 U CN 202321733121U CN 220537888 U CN220537888 U CN 220537888U
- Authority
- CN
- China
- Prior art keywords
- protective cover
- opening
- door
- shield
- protective
- 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
- 230000001681 protective effect Effects 0.000 title claims abstract description 86
- 238000005246 galvanizing Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004804 winding Methods 0.000 claims abstract description 16
- 238000009423 ventilation Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 9
- 241000208125 Nicotiana Species 0.000 claims 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims 2
- 239000000779 smoke Substances 0.000 abstract description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000009413 insulation Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Chemical group 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000010959 steel Chemical group 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 235000005074 zinc chloride Nutrition 0.000 description 2
- 239000011592 zinc chloride Substances 0.000 description 2
- 206010023230 Joint stiffness Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Coating With Molten Metal (AREA)
Abstract
The utility model relates to the technical field of hot galvanizing processes, and discloses a protective structure of a hot galvanizing process, which comprises a galvanizing pool; a protective cover movably sleeved outside the galvanized bath; and the protective component arranged on the protective cover is provided with an opening and closing door for closing the protective cover when in use, so that the ventilation part can complete ventilation operation, the galvanized object is taken after the opening and closing door is opened when taken, the rotating shaft is driven to rotate reversely through the double-shaft motor, the rope winding wheel is used for winding the pull rope, the door plate of the opening and closing door is pulled by the pull rope, the door closing operation is completed, a user does not need to stretch hands into the protective cover to close the opening and closing door, the safety is improved, when the opening and closing door is kept to be closed, the fan is opened to blow external air into the communicating pipe, then the external air enters the air inlet pipe, finally, the air enters the protective cover from the air inlet pipe, and fresh air is supplemented into the protective cover when the smoke is extruded from the smoke inlet pipe.
Description
Technical Field
The utility model relates to the technical field of hot galvanizing processes, in particular to a protective structure of a hot galvanizing process.
Background
The hot galvanizing is to make the molten metal react with the iron matrix to produce an alloy layer so as to combine the matrix and the plating layer, the hot galvanizing is to firstly acid-wash the iron and steel part, in order to remove the ferric oxide on the surface of the iron and steel part, after acid washing, the iron and steel part is washed by an ammonium chloride or zinc chloride aqueous solution or an ammonium chloride and zinc chloride mixed aqueous solution tank, and then the iron and steel part is sent into a hot dip plating tank, and the hot galvanizing has the advantages of uniform plating layer, strong adhesive force, long service life and the like;
the prior art CN216688275U discloses a protection device for hot galvanizing technology, the protection device for hot galvanizing technology punches holes at the top end of a galvanized pool according to the length of the galvanized pool, a bottom plate is fixed on the top end by bolts, meanwhile, a plurality of groups of end protection plates and middle protection plates are matched with mounting grooves through mounting blocks to form protection devices at two sides of the galvanized pool, so that zinc liquid inside the galvanized pool is prevented from splashing, the protection device can be applicable to galvanized pools with different lengths, the application range is wide, meanwhile, during galvanizing, the end protection plates are driven to rotate on a first hinging seat by a hydraulic cylinder, so that the angle between the end protection plates and the middle protection plates is adjusted, galvanizing work is facilitated, extension plates are slidably mounted on the end protection plates and the middle protection plates, the distance between two groups of opposite extension plates can be adjusted according to the size of workpieces through the extension plates, galvanizing is facilitated, and zinc liquid splashing is prevented better;
however, in the actual use process, some toxic smoke is generated in the production process of hot galvanizing, and the protection device for the hot galvanizing process can only shield zinc liquid in a galvanizing pool to play a role in preventing the zinc liquid from splashing, then the protection device is not provided with a smoke treatment structure, if the smoke is not treated, the smoke can be naturally emitted, so that the protection device not only can pollute the environment, but also can possibly influence the health of operators.
Disclosure of Invention
The utility model aims to provide a protection structure for a hot galvanizing process, which solves the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a protective structure of hot galvanizing technology comprises a galvanizing pool;
a protective cover movably sleeved outside the galvanized bath;
and the protective component is arranged on the protective cover and comprises a sealing part, a ventilation part and a lifting part, wherein the sealing part is positioned outside the protective cover, the ventilation part is positioned at the top of the protective cover, and the lifting part is positioned at the bottom of the protective cover.
Preferably, the sealing part comprises an opening and closing door, a second guide ring and a double-shaft motor, the opening and closing door is fixedly connected with the side face of the protective cover through a hinge, a first guide ring is fixedly arranged on the outer wall of one face of the opening and closing door, the bottom of the second guide ring is fixedly connected with the top of the protective cover, a heat insulation plate is fixedly arranged on the bottom of the double-shaft motor, the bottom of the heat insulation plate is fixedly connected with the top of the protective cover, a rotating shaft is fixedly arranged at the output end of the double-shaft motor, a rope winding wheel is fixedly arranged on the outer wall of the rotating shaft, a pull rope is fixedly arranged on the outer wall of the rope winding wheel, and the pull rope passes through the second guide ring and then is fixedly connected with the outer wall of the first guide ring.
Preferably, the ventilation part comprises a treatment box and a fan, a smoke inlet pipe is arranged at the bottom end of the treatment box in a communicating manner, the bottom end of the smoke inlet pipe is communicated with the inner wall of the protective cover, an exhaust pipe is arranged at the top end of the treatment box in a communicating manner, the bottom of the fan is fixedly connected with the top of the protective cover, a communicating pipe is arranged at the air outlet of the fan in a communicating manner, an air inlet pipe is arranged at the communicating portion of the communicating pipe, and the bottom end of the air inlet pipe is communicated with the inner wall of the protective cover.
Preferably, the lifting part comprises a check ring and an electric telescopic rod, the top of the electric telescopic rod is fixedly provided with a supporting plate, the top of the supporting plate is provided with a groove, the bottom end of the protective cover is clamped in the groove, the check ring is fixedly sleeved on the outer wall of the protective cover, and the lower surface of the check ring is attached to the upper surface of the supporting plate.
Preferably, the outer wall of the side face of the protective cover is fixedly provided with an outer frame, the inner side of the outer frame is fixedly provided with a baffle, and the baffle is attached to the joint between the opening and closing door and the protective cover.
Preferably, the door plant edge fixed mounting of door plant that opens and shuts has the lug, and the lug on two door plants is crisscross to be set up, the door that opens and shuts is provided with two, and is located the left and right sides of protective cover respectively.
Preferably, the front and back outer walls of the protective cover are fixedly provided with observation windows, and the heights of the observation windows are higher than that of the galvanized pool.
The utility model provides a protective structure for a hot galvanizing process. The protection structure of the hot galvanizing process has the following beneficial effects:
(1) The protective structure of the hot galvanizing process is characterized in that the opening and closing door is arranged to seal the protective cover when the protective cover is used, so that ventilation operation can be completed by the ventilation part, the galvanized object is taken after the opening and closing door is opened when the galvanized object is taken, the rotating shaft is driven to rotate reversely by the double-shaft motor, namely, the rope winding wheel is used for winding the pull rope, the door plate of the opening and closing door is pulled by the pull rope, the door closing operation is completed, a user does not need to stretch hands into the protective cover to close the opening and closing door, the safety is improved, when the opening and closing door is kept to be closed, the fan is opened to blow external air into the communicating pipe, then the external air enters the air inlet pipe, finally, the air inlet pipe enters the protective cover, fresh air is supplemented into the protective cover when smoke is extruded from the smoke inlet pipe, and the smoke entering the smoke inlet pipe is discharged from the exhaust pipe after being purified by the treatment box;
(2) The protective structure of this hot galvanizing technology connects protective cover and backup pad through the mode of joint for electric telescopic handle promotes the backup pad and rises enough height, when the bottom of protective cover is higher than the height of galvanization pond promptly, only need upwards pulling protective cover remove a little short distance after, can the horizontal pulling protective cover remove, takes off protective cover, makes to take off the installation protective cover more laborsaving, and the design of recess can avoid the flue gas to reveal from the seam crossing of galvanization pond and protective cover.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the rear structure of the protective cover and the galvanized bath according to the utility model;
FIG. 3 is a schematic view of a closure structure according to the present utility model;
FIG. 4 is a schematic view of the structure of the outer frame and the baffle plate of the present utility model;
FIG. 5 is a schematic view of the ventilation unit of the present utility model;
fig. 6 is an exploded view structure schematic diagram of the lifting part of the present utility model.
In the figure: 1. a galvanization pool; 2. a protective cover; 3. a protective assembly; 31. a closing part; 311. a heat insulating plate; 312. a rope winding wheel; 313. a rotating shaft; 314. a pull rope; 315. a first guide ring; 316. an opening/closing door; 317. a second guide ring; 318. a biaxial motor; 32. a ventilation unit; 321. a treatment box; 322. a smoke inlet pipe; 323. an air inlet pipe; 324. a communicating pipe; 325. a blower; 326. an exhaust pipe; 33. a lifting part; 331. a retainer ring; 332. a groove; 333. a support plate; 334. an electric telescopic rod; 4. an outer frame; 5. an observation window; 6. a bump; 7. and a baffle.
Detailed Description
Example 1
The preferred embodiment of a protection structure for hot galvanizing process according to the present utility model is shown in fig. 1 to 6: a protection structure for hot galvanizing process comprises a galvanizing bath 1;
a protective cover 2 movably sleeved outside the galvanized bath 1;
the protective assembly 3 is arranged on the protective cover 2, the protective assembly 3 comprises a sealing part 31, a ventilation part 32 and a lifting part 33, the sealing part 31 is positioned outside the protective cover 2, the ventilation part 32 is positioned at the top of the protective cover 2, and the lifting part 33 is positioned at the bottom of the protective cover 2;
the sealing part 31 comprises an opening and closing door 316, a second guide ring 317 and a double-shaft motor 318, wherein the opening and closing door 316 is fixedly connected with the side surface of the protective cover 2 through a hinge, a first guide ring 315 is fixedly arranged on the outer wall of one surface of the opening and closing door 316, which is opposite to the protective cover 2, the bottom of the second guide ring 317 is fixedly connected with the top of the protective cover 2, a heat insulation plate 311 is fixedly arranged at the bottom of the double-shaft motor 318, the bottom of the heat insulation plate 311 is fixedly connected with the top of the protective cover 2, a rotating shaft 313 is fixedly arranged at the output end of the double-shaft motor 318, a rope winding wheel 312 is fixedly arranged on the outer wall of the rotating shaft 313, a pull rope 314 is fixedly arranged on the outer wall of the rope winding wheel 312, the pull rope 314 passes through the second guide ring 317 and is fixedly connected with the outer wall of the first guide ring 315, the protective cover 2 is arranged to cover the galvanized pool 1, the galvanized pool 1 is protected, the opening and closing door 316 is arranged to seal the protective cover 2 when in use, when a galvanized object is taken, the opening and closing door 316 is opened, then the object is taken, the heat insulation plate 311 is arranged to fix the double-shaft motor 318, the double-shaft motor 318 is protected, high temperature is prevented from influencing the double-shaft motor 318, the opening and closing of the opening and closing door 316 is controlled in a mode of bundling or loosening the pull rope 314 through the rope winding wheel 312, the opening and closing door 316 is arranged, and when the opening and closing door 316 is opened and closed, there is no need to worry that galvanized liquid splashed on the inner side surface of the opening and closing door 316 is brought out of the protective cover 2, the edges of the door panels of the opening and closing door 316 are fixedly provided with the convex blocks 6, the convex blocks 6 on the two door panels are arranged in a staggered manner, the joint tightness between the door panels of the opening and closing door 316 is increased, the closing effect is further improved, the opening and closing door 316 is provided with two opening and closing doors are respectively positioned on the left side and the right side of the protective cover 2, and the galvanized object can be taken from different side surfaces;
the ventilation part 32 comprises a treatment box 321 and a fan 325, wherein the bottom end of the treatment box 321 is communicated with a smoke inlet pipe 322, the bottom end of the smoke inlet pipe 322 is communicated with the inner wall of the protective cover 2, the top end of the treatment box 321 is communicated with an exhaust pipe 326, the bottom of the fan 325 is fixedly connected with the top of the protective cover 2, an air outlet of the fan 325 is communicated with a communicating pipe 324, the communicating pipe 324 is communicated with an air inlet pipe 323, the bottom end of the air inlet pipe 323 is communicated with the inner wall of the protective cover 2, purification substances such as activated carbon for treating smoke are arranged in the treatment box 321, external air is blown into the communicating pipe 324 through the fan 325 and then enters the air inlet pipe 323, and finally enters the protective cover 2 from the air inlet pipe 323, so that fresh air is supplemented in the protective cover 2 when the smoke is extruded from the smoke inlet pipe 322;
when galvanizing is needed, the double-shaft motor 318 is started to drive the rotating shaft 313 to rotate, and then the rope winding wheel 312 is driven to rotate, so that the rope winding wheel 312 loosens the pull rope 314, the opening and closing door 316 is pushed inwards, then a galvanized object is put into the galvanizing bath 1, then the double-shaft motor 318 is started to drive the rotating shaft 313 to rotate reversely, namely, the rope winding wheel 312 is used for winding the pull rope 314, the door plate of the opening and closing door 316 is pulled by the pull rope 314, the door closing operation is completed, a user does not need to stretch hands into the protective cover 2 to close the opening and closing door 316, safety is improved, when the opening and closing door 316 is kept to be closed, the fan 325 is opened to blow external air into the communicating pipe 324, then the external air enters the air inlet pipe 323, finally the internal air inlet pipe 323 enters the protective cover 2, fresh air is supplemented into the protective cover 2 when smoke is extruded from the smoke inlet pipe 322, and the smoke entering the smoke inlet pipe 322 is discharged from the exhaust pipe 326 after being purified by the treatment box 321.
In this embodiment, outer frame 4 is fixed mounting to the side outer wall of protective cover 2, and the inboard fixed mounting of outer frame 4 has baffle 7, and baffle 7 laminating is in the seam crossing between opening and shutting door 316 and protective cover 2, avoids the flue gas to reveal from the seam crossing between opening and shutting door 316 and the protective cover 2, and the front and back outer wall fixed mounting of protective cover 2 has observation window 5, and the height of observation window 5 is higher than the height of galvanized bath 1 for observe the condition of galvanization.
Example 2
On the basis of embodiment 1, a preferred embodiment of a protection structure for a hot dip galvanizing process according to the present utility model is shown in fig. 1 to 6: lifting part 33 includes retaining ring 331, electric telescopic link 334's top fixed mounting has backup pad 333, recess 332 has been seted up on the top of backup pad 333, and the bottom joint of shield lid 2 is in recess 332, the fixed cover of retaining ring 331 is established on the outer wall of shield lid 2, the lower surface of retaining ring 331 is laminated with the upper surface of backup pad 333, set up the seam crossing between shield lid 2 and the recess 332, avoid debris to fall into recess 332 and lead to shield lid 2 can't be fine card into recess 332, connect shield lid 2 and backup pad 333 through the mode of joint, make electric telescopic link 334 promote backup pad 333 and rise enough height, when the bottom of shield lid 2 is higher than the height of galvanized bath 1 promptly, only need upwards pulling shield lid 2 remove a short distance (make shield lid 2 break away from recess 332 after, can the horizontal pulling shield lid 2 remove, take off shield lid 2, make take off and install shield lid 2 more laborsaving, and the design of recess 332 can avoid the flue gas to reveal from the seam crossing of galvanized bath 1 and shield lid 2.
Claims (7)
1. A protection structure for a hot galvanizing process comprises a galvanizing bath (1);
a protective cover (2) movably sleeved outside the galvanized bath (1);
and a protective component (3) arranged on the protective cover (2), characterized in that: the protection assembly (3) comprises a sealing part (31), a ventilation part (32) and a lifting part (33), wherein the sealing part (31) is positioned outside the protection cover (2), the ventilation part (32) is positioned at the top of the protection cover (2), and the lifting part (33) is positioned at the bottom of the protection cover (2).
2. The protective structure for a hot dip galvanizing process according to claim 1, wherein: the utility model provides a sealing portion (31) is including opening and shutting door (316), no. two guide rings (317), biax motor (318), the side fixed connection of opening and shutting door (316) with shield cover (2) through the hinge, the one side outer wall fixed mounting of opening and shutting door (316) back shield cover (2) has guide ring (315), the bottom of No. two guide rings (317) and the top fixed connection of shield cover (2), the bottom fixed mounting of biax motor (318) has heat insulating board (311), the bottom of heat insulating board (311) and the top fixed connection of shield cover (2), the output fixed mounting of biax motor (318) has pivot (313), the outer wall fixed mounting of pivot (313) has rope winding wheel (312), the outer wall fixed mounting of rope winding wheel (312) has stay cord (314), behind stay cord (314) pass No. two guide rings (317) with the outer wall fixed connection of guide ring (315).
3. The protective structure for a hot dip galvanizing process according to claim 1, wherein: the utility model discloses a ventilator unit (32), including handle case (321), fan (325), the bottom intercommunication of handling case (321) is provided with into tobacco pipe (322), the bottom of advancing tobacco pipe (322) and the inner wall intercommunication of shield (2), the top intercommunication of handling case (321) is provided with blast pipe (326), the bottom of fan (325) and the top fixed connection of shield (2), the air outlet intercommunication of fan (325) is provided with communicating pipe (324), the intercommunication of communicating pipe (324) is provided with intake pipe (323), the bottom of intake pipe (323) and the inner wall intercommunication of shield (2).
4. The protective structure for a hot dip galvanizing process according to claim 1, wherein: lifting part (33) are including retaining ring (331), electric telescopic handle (334), the top fixed mounting of electric telescopic handle (334) has backup pad (333), recess (332) have been seted up on the top of backup pad (333), and the bottom joint of shield lid (2) is in recess (332), retaining ring (331) fixed cover is established on the outer wall of shield lid (2), the lower surface of retaining ring (331) is laminated with the upper surface of backup pad (333).
5. The protective structure for a hot dip galvanizing process according to claim 1, wherein: the side outer wall fixed mounting of shield (2) has outer frame (4), the inboard fixed mounting of outer frame (4) has baffle (7), the seam crossing between opening and shutting door (316) and shield (2) is laminated to baffle (7).
6. The protective structure for a hot dip galvanizing process according to claim 2, wherein: the door plate edge of the opening and closing door (316) is fixedly provided with the protruding blocks (6), the protruding blocks (6) on the two door plates are arranged in a staggered mode, and the opening and closing door (316) is provided with two and is respectively positioned on the left side and the right side of the protective cover (2).
7. The protective structure for a hot dip galvanizing process according to claim 1, wherein: the front and back outer walls of the protective cover (2) are fixedly provided with observation windows (5), and the height of the observation windows (5) is higher than that of the galvanized pool (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321733121.8U CN220537888U (en) | 2023-07-04 | 2023-07-04 | Protective structure of hot galvanizing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321733121.8U CN220537888U (en) | 2023-07-04 | 2023-07-04 | Protective structure of hot galvanizing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220537888U true CN220537888U (en) | 2024-02-27 |
Family
ID=89971916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321733121.8U Active CN220537888U (en) | 2023-07-04 | 2023-07-04 | Protective structure of hot galvanizing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220537888U (en) |
-
2023
- 2023-07-04 CN CN202321733121.8U patent/CN220537888U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4714010A (en) | Industrial exhaust ventilation system | |
| CN220537888U (en) | Protective structure of hot galvanizing process | |
| CN209363105U (en) | It is a kind of automatically to pass through formula spray cleaning equipment | |
| CN214719233U (en) | Zinc fume sealing and extracting treatment device for hot galvanizing pot | |
| CN212864919U (en) | Hot-dip galvanizing totally-enclosed pretreatment system | |
| CN213013049U (en) | Novel environmental protection pollution-free hot galvanizing equipment | |
| CN112011751A (en) | Smoke and dust waste gas collection device of hot galvanizing pot | |
| CN216712216U (en) | Protection device for hot galvanizing process | |
| CN211099823U (en) | Bullet train part is with protection frock that sprays paint | |
| CN215940425U (en) | Paint spraying protection device for corrosion valve treatment | |
| CN211522324U (en) | Steel member rust cleaning device with waste gas collection device | |
| CN207713773U (en) | A kind of oil-quenching tank smoke gas collecting apparatus | |
| CN211445936U (en) | Complete set of device for air draft acid mist treatment at bottom of electrolysis workshop | |
| CN220573787U (en) | Coating mechanism capable of collecting waste gas | |
| CN209652179U (en) | Furnace slag granulating system | |
| CN114618289B (en) | Catalyst iron box oil immersion room | |
| CN113117469A (en) | Complete set of device for air draft acid mist treatment at bottom of electrolysis workshop | |
| CN209798057U (en) | Hot galvanizing flue gas absorption device | |
| CN209313207U (en) | A kind of novel combination type substation casing | |
| CN213841197U (en) | Ventilation and toxin-expelling cabinet for medical research | |
| CN219548545U (en) | Steel structure building for coal shed sealing | |
| CN206104526U (en) | Acid mist controlling means of hot dipping zinc descaling bath | |
| CN219672879U (en) | Marine vertical explosion-proof exhaust fan | |
| CN222648127U (en) | An online pickling equipment | |
| CN219576421U (en) | Ventilation structure of electric appliance cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |