CN115367423A - Annular scraper cleaning device for rake nails of feeding hoister - Google Patents
Annular scraper cleaning device for rake nails of feeding hoister Download PDFInfo
- Publication number
- CN115367423A CN115367423A CN202211005199.8A CN202211005199A CN115367423A CN 115367423 A CN115367423 A CN 115367423A CN 202211005199 A CN202211005199 A CN 202211005199A CN 115367423 A CN115367423 A CN 115367423A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- rake
- slide bar
- harrow
- annular scraper
- 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.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 34
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 241000208125 Nicotiana Species 0.000 description 9
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 9
- 239000010410 layer Substances 0.000 description 4
- 238000007790 scraping Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/12—Cleaning devices comprising scrapers
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/82—Rotary or reciprocating members for direct action on articles or materials, e.g. pushers, rakes, shovels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses an annular scraper cleaning device for rake nails of a feeding hoister, which comprises a rake nail fixing base (1), a base connecting lock catch (2), a rake nail protecting washer (3), a long slide bar slot (4), a long slide bar (5), a rake nail sleeve (6), a sleeve cleaning opening (7), a slide bar connecting ring (8), an annular scraper (10) and a sleeve grab handle (11), and is characterized in that: the rake nail fixing base is provided with a long slide bar slot, a long slide bar is connected in the long slide bar slot, two sleeve cleaning openings which are symmetrically arranged are formed in the peripheral arc surface of a rake nail sleeve, the other end of a supporting rod is connected with a slide bar connecting ring, the lower end of the rake nail sleeve is connected with an annular scraper (10), the annular scraper is detachably connected with the lower end of the rake nail sleeve through threads, the annular scraper is in an inner arc ring shape, and an inner arc cutter face of the annular scraper is tightly attached to the outer wall of the rake nail; the upper end of the harrow pin sleeve is connected with a sleeve grab handle. According to the invention, under the condition that the harrow plate does not need to be disassembled, the harrow nails can be protectively fixed in a narrow operation space, the annular scraper can quickly and accurately scrape the wall of the harrow nails without damaging the harrow nails, and the quality risk and the personnel safety risk are effectively prevented.
Description
Technical Field
The invention relates to the technical field of equipment maintenance and quality risk prevention in the tobacco industry, in particular to an annular scraper cleaning device for a rake nail of a feeding hoister.
Background
The feeding hoister is widely applied to the tobacco-making line in the tobacco industry, has the functions of stabilizing the flow and uniformly conveying materials such as tobacco leaves and tobacco shreds, and is mainly used for hoisting the feeding by means of the rows of brake nails. The tobacco leaves and the tobacco shreds as the materials have certain viscosity, and the tobacco scale of the tobacco leaves and the tobacco shreds are attached to the outer wall of the harrow nails after long-term production operation of the harrow nails of the hoister, so that pasty viscous attachments are difficult to clean. At present, the harrow plate is mainly dismounted manually for maintaining the harrow nails, and a scraper blade or a file is used for cleaning, but great inconvenience is caused in the actual maintenance process. And a special rake nail cleaning tool is also adopted for cleaning, for example, in the prior art, CN203411010U discloses a cleaning device for a steep-angle belt of a feeder, a scraper is fixedly arranged, and the scraper is fixedly arranged above a material baffle and in front of a brush roller. The shape of the tooth part on the scraper is complementary with that of the tooth part on the harrow pin, so that the tooth part of the harrow pin driven by the steep-angle belt can be inserted into the tooth clearance of the scraper with high precision. However, the following problems mainly exist in the prior art: firstly, the quantity of the raking nails of the hoister is large, the integral dismounting and mounting process is complicated, and time and labor are wasted; secondly, the space between the harrow nails is small, so that the cleaning operation space of the scraper is narrow, the actual operation is difficult and potential safety hazards exist; thirdly, the braw nail metallic coating is fragile in the wall scraping process, leads to the braw nail easy to be corroded and forms rust stain, has quality risk hidden danger.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the annular scraper cleaning device for the rake nails of the feeding hoister.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides an annular scraper cleaning device of feed lifting machine rake nail, its includes rake nail fixed baseplate (1), pedestal connection hasp (2), rake nail protective washer (3), long slide bar slot (4), long slide bar (5), rake nail sleeve (6), sleeve cleaning mouth (7), slide bar go-between (8), bracing piece (9), annular scraper (10), sleeve grab handle (11), skid resistant course (12), its characterized in that: the two harrow fixing bases are approximately symmetrically arranged and can be connected in an openable manner through the base connecting lock catch, one side, which is attached to each other, of each harrow fixing base is provided with a semicircular groove, a harrow protection washer is arranged on the inner side of each semicircular groove, long slide bar slots (4) are formed in each harrow fixing base and are symmetrically arranged, long slide bars are connected in the long slide bar slots, the long slide bars (5) are matched with the long slide bar slots in size, and harrow nails penetrate through the harrow protection washers; the outer circumferential arc surface of the rake nail sleeve (6) is provided with two sleeve cleaning openings (7) which are symmetrically arranged, two sides of the rake nail sleeve are symmetrically provided with supporting rods, the other end of each supporting rod is connected with a slide rod connecting ring (8), the cross section size of each slide rod connecting ring is matched with that of each long slide rod, the lower end of the rake nail sleeve is connected with an annular scraper (10), the annular scraper is detachably connected with the lower end of the rake nail sleeve through threads, the annular scraper is in an inner arc ring shape and can be attached to a rake nail, and an inner arc cutter face of the annular scraper is attached to the outer wall of the rake nail; the upper end of the harrow nail sleeve (6) is connected with a sleeve grab handle (11), and the outer peripheral surface of the sleeve grab handle is provided with an anti-skid layer.
Furthermore, the inner part of the long slide bar slot (4) is a frosted surface, the upper end of the long slide bar (5) is a smooth surface, and the lower end of the long slide bar slot is a frosted surface; the section of the long slide bar is a semicircular long slide bar, and the section of the slot of the long slide bar is a semicircular slot.
Further, the annular scraper (10) is connected with the lower end of the harrow pin sleeve (6) in a rotating threaded manner, and the annular scraper with the corresponding inner diameter can be detached and replaced according to the diameter size of the harrow pin.
Furthermore, the sleeve grab handle (11) can be held by one hand, the rake nail sleeve (6) is pushed in a reciprocating sliding mode, the rake nails can be protectively fixed in a narrow operation space, and the annular scraper (10) can quickly and accurately scrape the wall of the rake nails and cannot damage the rake nails.
Furthermore, the material of the rake nail protection washer (3) is rubber.
The cleaning device for the annular scraper of the rake nail of the feeding hoister, disclosed by the invention, has the advantages of simple structure, simplicity in operation, convenience in use and strong practicability, the rake nail can be protectively fixed in a narrow operation space under the condition that a rake nail plate is not required to be detached, the annular scraper can quickly and accurately realize wall scraping of the rake nail without damaging the rake nail, and the quality risk and the personnel safety risk are effectively prevented.
Drawings
FIG. 1 is a schematic front view of a fixed base of an annular scraper cleaning device for a rake nail of a feeding hoist according to the present invention;
FIG. 2 is a schematic top view of a fixed base of the annular scraper cleaning device of a rake nail of a feeding hoist according to the present invention;
FIG. 3 is a schematic view of the structure of the scraper component of the annular scraper cleaning device of the rake nail of the feeding hoist of the present invention;
FIG. 4 is a schematic view of a slide bar connecting ring structure of the scraper member of the present invention.
In the figure: the rake nail cleaning device comprises a rake nail fixing base 1, a base connecting lock catch 2, a rake nail protecting washer 3, a long slide bar inserting groove 4, a long slide bar 5, a rake nail sleeve 6, a sleeve cleaning opening 7, a slide bar connecting ring 8, a supporting rod 9, an annular scraper 10, a sleeve grab handle 11 and an anti-skid layer 12.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-4, an annular scraper cleaning device for rake nails of a feeding hoister comprises a rake nail fixing base 1, a base connecting lock catch 2, a rake nail protecting gasket 3, a long slide bar slot 4, a long slide bar 5, a rake nail sleeve 6, a sleeve cleaning opening 7, a slide bar connecting ring 8, a support bar 9, an annular scraper 10, a sleeve grab handle 11 and an anti-skid layer 12, and is characterized in that: the two rake nail fixing bases 1 are approximately symmetrically arranged, the two rake nail fixing bases 1 are connected through the base connecting lock catch 2 in an openable and closable manner, one side, which is attached to the two rake nail fixing bases 1, is provided with a semicircular groove, a rake nail protecting washer 3 is arranged on the inner side of the semicircular groove, a long slide bar slot 4 is arranged on the rake nail fixing base 1, the two long slide bar slots 4 are symmetrically arranged, a long slide bar 5 is connected in the long slide bar slot 4, the long slide bar 5 is matched with the long slide bar slot 4 in size, and rake nails penetrate through the rake nail protecting washer 3; the outer circumferential arc surface of the rake nail sleeve 6 is provided with two sleeve cleaning openings 7 which are symmetrically arranged, two sides of the rake nail sleeve 6 are symmetrically provided with supporting rods 9, the other end of each supporting rod 9 is connected with a slide rod connecting ring 8, the cross section size of each slide rod connecting ring 8 is matched with the long slide rod 5, the lower end of the rake nail sleeve 6 is connected with an annular scraper 10, the annular scraper 10 is detachably connected with the lower end of the rake nail sleeve 6 through threads, the annular scraper 10 is in an inner arc ring shape and can be attached to a rake nail, and the inner arc cutter surface of the annular scraper is tightly attached to the outer wall of the rake nail; the upper end of the brad nail sleeve 6 is connected with a sleeve grab handle 11, and the peripheral surface of the sleeve grab handle 11 is provided with an anti-skid layer 12.
The inside of the long slide bar slot 4 is a frosted surface, the upper end of the long slide bar 5 is a smooth surface, and the lower end of the long slide bar is a frosted surface.
The section of the long slide bar 5 is a semicircular long slide bar, and the section of the long slide bar slot 4 is a semicircular slot.
The annular scraper 10 is connected to the lower end of the harrow pin sleeve 6 in a rotary threaded manner, and the annular scraper 10 with the corresponding inner diameter can be detached and replaced according to the diameter size of the harrow pin.
The material of the harrow nail protection washer 3 is rubber.
The sleeve grab handle 11 can be held by one hand to slide and push the rake nail sleeve 6 in a reciprocating manner, so that the rake nails can be protectively fixed in a narrow operation space, and the annular scraper 10 can quickly and accurately realize the wall scraping of the rake nails without damaging the rake nails.
In this embodiment, the rake fixing base 1 is divided into two symmetrical modules, and when in use, the rake nails are arranged at the central positions of the two rake fixing bases 1, the rake fixing bases 1 are symmetrically attached, and the bases arranged at the upper and lower ends are connected with the lock catches 2 to be fixed and clamped in a manner of being opened and closed. The inner side of the center of the binding surface of the rake nail fixing base 1 is provided with a rake nail protecting washer 3 with certain thickness and height, the rake nail protecting washer 3 made of rubber is tightly attached to the bottom end of the rake nail, and the whole rake nail fixing base 1 is firmly fixed on the rake nail to be cleaned. The two sides of the center of the rake nail fixing base 1 are respectively provided with a semicircular long slide bar slot 4 with a certain depth, the inside of a notch of each long slide bar slot 4 is a frosted surface, each notch is connected with a detachable semicircular long slide bar 5, the upper end of each long slide bar is a smooth surface, the lower end of each long slide bar is a frosted surface, and the size of each long slide bar 5 is matched with that of the notch; the frosted surface of the long slide bar 5 connected with the notch increases the friction force and can not be easily separated when the rake nail sleeve 6 or the sleeve grab handle 11 is pushed to slide. The harrow pin sleeve 6 in the scraper component is of a hollow structure, and two sleeve cleaning openings 7 which are symmetrically arranged are formed in the peripheral arc surface of the harrow pin sleeve 6, so that residual scale left in the harrow pin sleeve 6 can be conveniently cleaned. The two sides of the rake nail sleeve 6 are connected with the slide rod connecting rings 8, the inner diameter of each slide rod connecting ring 8 is matched with the semicircular long slide rod 5 and is a smooth surface, and the rake nail sleeve 6 plays roles in fixing, limiting and reducing friction when pushed to slide. The lower end of the harrow pin sleeve 6 is provided with an annular scraper 10 in threaded connection, the annular scraper 10 is connected to the lower end of the harrow pin sleeve 6 in a rotary threaded manner, and the annular scraper 10 with the corresponding inner diameter can be detached and replaced according to the diameter size of the harrow pin; the annular scraper 10 is in an inner arc annular shape, the inner arc knife surface of the annular scraper is tightly attached to the outer wall of the rake nail, and when the rake nail sleeve 6 or the sleeve grab handle 11 is pushed to slide, the inner arc knife surface can scrape off attachments on the rake nail along the trend, and the coating on the outer wall of the rake nail cannot be damaged. The upper end of the harrow nail sleeve 6 is provided with a sleeve grab handle 11, and both sides of the peripheral surface of the sleeve grab handle are provided with pattern anti-skid surface layers 12. When the whole annular scraper cleaning device is used, the harrow fixing base 1 is fastened with harrow nails, the sleeve grab handle 11 is held tightly by a single hand, the slide bar connecting ring 8 is connected with the long slide bar 5, and the harrow nails are scraped cleanly by reciprocating sliding propulsion to adhere to smoke scale.
The cleaning device for the annular scraper of the rake nail of the feeding hoister, disclosed by the invention, has the advantages of simple structure, simplicity in operation, convenience in use and strong practicability, the rake nail can be protectively fixed in a narrow operation space under the condition that a rake nail plate is not required to be detached, the annular scraper can quickly and accurately realize wall scraping of the rake nail without damaging the rake nail, and the quality risk and the personnel safety risk are effectively prevented.
The above-described embodiments are illustrative of the present invention and not restrictive, it being understood that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (5)
1. The utility model provides an annular scraper cleaning device of feed lifting machine rake nail, its includes rake nail fixed baseplate (1), pedestal connection hasp (2), rake nail protective washer (3), long slide bar slot (4), long slide bar (5), rake nail sleeve (6), sleeve cleaning mouth (7), slide bar go-between (8), bracing piece (9), annular scraper (10), sleeve grab handle (11), skid resistant course (12), its characterized in that: the two harrow fixing bases are approximately symmetrically arranged and can be connected in an openable manner through the base connecting lock catch, one side, which is attached to each other, of each harrow fixing base is provided with a semicircular groove, a harrow protection washer is arranged on the inner side of each semicircular groove, long slide bar slots (4) are formed in each harrow fixing base and are symmetrically arranged, long slide bars are connected in the long slide bar slots, the long slide bars (5) are matched with the long slide bar slots in size, and harrow nails penetrate through the harrow protection washers; the outer circumferential arc surface of the rake nail sleeve (6) is provided with two sleeve cleaning openings (7) which are symmetrically arranged, two sides of the rake nail sleeve are symmetrically provided with supporting rods, the other end of each supporting rod is connected with a slide rod connecting ring (8), the cross section size of each slide rod connecting ring is matched with that of each long slide rod, the lower end of the rake nail sleeve is connected with an annular scraper (10), the annular scraper is detachably connected with the lower end of the rake nail sleeve through threads, the annular scraper is in an inner arc ring shape and can be attached to a rake nail, and an inner arc cutter face of the annular scraper is attached to the outer wall of the rake nail; the upper end of the harrow nail sleeve (6) is connected with a sleeve grab handle (11), and the outer peripheral surface of the sleeve grab handle is provided with an anti-skid layer.
2. A cleaning device of annular scraper for rake nail of feeding hoister in accordance with claim 1, characterized by that, the inside of slot (4) of long slide bar is frosted surface, the upper end of long slide bar (5) is smooth surface, the lower end is frosted surface; the section of the long slide bar is a semicircular long slide bar, and the section of the slot of the long slide bar is a semicircular slot.
3. An annular blade cleaning device for a feed elevator rake as in claim 2, characterized in that the annular blade (10) is attached to the lower end of the rake sleeve (6) in a rotating threaded manner, removable and replaceable with an annular blade of corresponding internal diameter according to the size of the rake diameter.
4. A cleaning device for the annular scraper of the harrow of the feeding elevator in claim 3, characterized in that the sleeve handle (11) can be held by one hand to slide and advance the harrow pin sleeve (6) in a reciprocating manner, so that the harrow pin can be protectively fixed in a narrow operating space, and the annular scraper (10) can quickly and accurately scrape the wall of the harrow pin without damaging the harrow pin.
5. An annular scraper cleaning device of a feed elevator rake according to claim 4, characterized in that the material of the rake guard washer (3) is rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211005199.8A CN115367423A (en) | 2022-08-22 | 2022-08-22 | Annular scraper cleaning device for rake nails of feeding hoister |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211005199.8A CN115367423A (en) | 2022-08-22 | 2022-08-22 | Annular scraper cleaning device for rake nails of feeding hoister |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115367423A true CN115367423A (en) | 2022-11-22 |
Family
ID=84066733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211005199.8A Pending CN115367423A (en) | 2022-08-22 | 2022-08-22 | Annular scraper cleaning device for rake nails of feeding hoister |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115367423A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5491862A (en) * | 1994-12-15 | 1996-02-20 | Hurley; Bruce P. | Chimney scraper |
| CN210585993U (en) * | 2019-07-19 | 2020-05-22 | 河南中烟工业有限责任公司 | Tobacco lifter rake tobacco scale removing tool and device |
| CN112919061A (en) * | 2021-03-31 | 2021-06-08 | 河南中烟工业有限责任公司 | Cleaning device with raking nails at steep angles |
| CN215556655U (en) * | 2021-07-15 | 2022-01-18 | 广西高强混凝土有限公司 | Spiral feeder |
| CN215675261U (en) * | 2021-07-30 | 2022-01-28 | 安徽皖能电力运营检修有限公司 | Clamp formula scraper of coking is arranged to boiler heating surface tube |
| CN216844723U (en) * | 2021-12-08 | 2022-06-28 | 苏州斯泰克环境设备制造有限公司 | Stainless steel chimney convenient to clearance |
-
2022
- 2022-08-22 CN CN202211005199.8A patent/CN115367423A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5491862A (en) * | 1994-12-15 | 1996-02-20 | Hurley; Bruce P. | Chimney scraper |
| CN210585993U (en) * | 2019-07-19 | 2020-05-22 | 河南中烟工业有限责任公司 | Tobacco lifter rake tobacco scale removing tool and device |
| CN112919061A (en) * | 2021-03-31 | 2021-06-08 | 河南中烟工业有限责任公司 | Cleaning device with raking nails at steep angles |
| CN215556655U (en) * | 2021-07-15 | 2022-01-18 | 广西高强混凝土有限公司 | Spiral feeder |
| CN215675261U (en) * | 2021-07-30 | 2022-01-28 | 安徽皖能电力运营检修有限公司 | Clamp formula scraper of coking is arranged to boiler heating surface tube |
| CN216844723U (en) * | 2021-12-08 | 2022-06-28 | 苏州斯泰克环境设备制造有限公司 | Stainless steel chimney convenient to clearance |
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