CN107344154A - A kind of adjustable building steel tube derusting spray-painting plant - Google Patents

A kind of adjustable building steel tube derusting spray-painting plant Download PDF

Info

Publication number
CN107344154A
CN107344154A CN201710522634.7A CN201710522634A CN107344154A CN 107344154 A CN107344154 A CN 107344154A CN 201710522634 A CN201710522634 A CN 201710522634A CN 107344154 A CN107344154 A CN 107344154A
Authority
CN
China
Prior art keywords
painting
steel tube
spray
building steel
paint
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.)
Withdrawn
Application number
CN201710522634.7A
Other languages
Chinese (zh)
Inventor
阮霞伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201710522634.7A priority Critical patent/CN107344154A/en
Publication of CN107344154A publication Critical patent/CN107344154A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0221Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
    • B05B13/0271Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the object or work standing still during the spraying operation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B16/00Spray booths
    • B05B16/90Spray booths comprising conveying means for moving objects or other work to be sprayed in and out of the booth, e.g. through the booth
    • B05B16/95Spray booths comprising conveying means for moving objects or other work to be sprayed in and out of the booth, e.g. through the booth the objects or other work to be sprayed lying on, or being held above the conveying means, i.e. not hanging from the conveying means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/002Pretreatement

Landscapes

  • Spray Control Apparatus (AREA)

Abstract

The invention discloses a kind of adjustable building steel tube derusting spray-painting plant, including bottom plate, support frame is connected with the left of bottom plate upper end, support frame left end is connected with material feeding box, upper and lower ends are connected with fixed mount inside material feeding box, charging roller is provided with the middle part of fixed mount, support frame right-hand member is connected with fixed cylinder, rotary screw is provided with inside fixed cylinder, the outer middle side part of rotary screw is connected with rotation gear, rotation gear lower end is engaged with drive gear, drive shaft is connected with the middle part of drive gear left end, drive shaft left end is connected with motor, sliding block is connected with the middle part of rotary screw, uniformly guide pad is connected with the outside of sliding block, mounting groove is connected with the outside of guide pad, there is connecting rod in the middle part of mounting groove, connecting rod right-hand member is connected with pull bar, wheel stand is connected with the middle part of pull bar, emery wheel is connected with the middle part of wheel stand, paint box is connected with the right side of bottom plate upper end.The present invention, meet the needs of the steel pipe derusting of different-diameter, while also realize the auto spray painting to steel pipe after derusting.

Description

A kind of adjustable building steel tube derusting spray-painting plant
Technical field
The present invention relates to Architectural Equipment technical field, specifically a kind of adjustable building steel tube derusting spray-painting plant.
Background technology
Steel pipe for building seamless can be divided into seamless steel pipe and seamed steel pipe according to seamed.Seamed steel pipe according to weld seam not With spiral steel pipe and steel pipes with straight is divided into again, the two drives piles in building, structure, steel construction, load-bearing, and draining etc. application is extremely Generally.Material mainly has carbon steel, stainless steel, steel alloy.Wherein carbon steel material application is the most universal, the Hebei of major production base Cangzhou.Length according to the requirement steel pipe of client can carry out scale, can also carry out dissipating chi, building seamless steel pipe presses producer Method can be divided into:Hot seamless tube, drawn tube, precision tube, hot-expanding pipe, cold spinning pipe and extruded tube etc..Hot-rolled pipe is gone in building Industry uses more.
At present, in architectural engineering, we before building steel tube use to needing to carry out derusting work to building steel tube surface Industry, although having rust removalling equipment in existing building construction process, these rust removalling equipments are hand-held derusting mostly, are being used During, it is necessary to builder carries out artificial derusting operation, and manually painted after the completion of derusting, completing construction work Industry, this not only adds the working strength of builder, while processing efficiency is also reduced, extensive building steel tube can not be met Derusting spray painting need.
The content of the invention
It is an object of the invention to provide a kind of adjustable building steel tube derusting spray-painting plant, to solve above-mentioned background skill The problem of being proposed in art.
To achieve the above object, the present invention provides following technical scheme:
A kind of adjustable building steel tube derusting spray-painting plant, including bottom plate, the bottom plate upper end left side are connected with support Frame, support frame left end are connected with material feeding box, and upper and lower ends are connected with fixed mount inside material feeding box, and feed roller is provided with the middle part of fixed mount Cylinder, support frame as described above right-hand member are connected with fixed cylinder, and rotary screw is provided with inside fixed cylinder, and the outer middle side part of rotary screw is connected with rotation Rotating disk, rotation gear lower end are engaged with drive gear, and drive shaft, the connection of drive shaft left end are connected with the middle part of drive gear left end There is motor, sliding block is connected with the middle part of the rotary screw, sliding block is internally threaded hole, uniformly connected on the outside of the sliding block There is guide pad, mounting groove is connected with the outside of guide pad, there is connecting rod in the middle part of mounting groove, connecting rod right-hand member is connected with pull bar, pull bar middle part Wheel stand is connected with, is connected with emery wheel in the middle part of wheel stand, emery wheel right-hand member is connected with derusting motor, and the fixed cylinder right-hand member is connected with Installing plate, the bottom plate upper end right side are connected with paint box, and the paint box upper center is connected with storage paint case, storage paint case upper end Lower spray painting pipe is connected with, lower spray painting pipe end is connected with painting nozzle, and the storage paint case lower end is connected with spray painting plate, the paint box Inner bottom is connected with collection paint bath, and collection paint bath bottom is connected with row's paint pipe.
As the further scheme of the present invention:It is attached between the charging roller by belt.
As the further scheme of the present invention:The rotary screw left end is connected with support frame by bearing.
As the further scheme of the present invention:The motor left end is connected with driving box, and driving box lower end is connected with Bogie, bogie lower end are fixedly connected with bottom plate.
As the further scheme of the present invention:Through hole is provided with inside the rotary screw.
As the further scheme of the present invention:The guiding to be cooperated with guide pad is uniformly provided with the outside of the fixed cylinder Groove.
As the further scheme of the present invention:The connecting rod is connected with guide pad and pull bar by articulated manner.
As the further scheme of the present invention:The pull bar for "<" shape, pull bar is connected with installation by articulated manner Plate.
As the further scheme of the present invention:Discharging roller, the spray painting at discharging roller both ends are provided with inside the paint box Chamber interior wall is provided with discharge opening.
As further scheme of the invention:The spray painting plate lower end is uniformly provided with painting hole.
Compared with prior art, the beneficial effects of the invention are as follows:
A kind of adjustable building steel tube derusting spray-painting plant, it is rational in infrastructure, it is novel in design, by provided with pull bar Mutual cooperation between connecting rod, the adjustment to distance between emery wheel is realized, meet the need of the steel pipe derusting of different-diameter Will, both reduced the labor intensity of staff, while also increase derusting, in addition, by provided with paint box realize The auto spray painting to steel pipe after derusting, the derusting spray painting efficiency of building steel tube is substantially increased, meets extensive building iron The derusting spray painting of pipe needs.
Brief description of the drawings
Fig. 1 is a kind of structural representation of adjustable building steel tube derusting spray-painting plant.
Fig. 2 is a kind of structural representation of sliding block in adjustable building steel tube derusting spray-painting plant.
Fig. 3 is a kind of structural representation of rotary screw in adjustable building steel tube derusting spray-painting plant.
Fig. 4 is a kind of structural representation of material feeding box in adjustable building steel tube derusting spray-painting plant.
Fig. 5 is a kind of structural representation of paint box in adjustable building steel tube derusting spray-painting plant.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase Mutually combination.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ", The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right The limitation of the present invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction or hint phase To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can To express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple " It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can To be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition Concrete meaning in the present invention.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Refering to Fig. 1~5, in the embodiment of the present invention, a kind of adjustable building steel tube derusting spray-painting plant, including bottom plate 1, Support frame 4 is connected with the left of the upper end of bottom plate 1, for realizing that the support to material feeding box 3 and fixed cylinder 6 is fixed, support frame 4 Left end is connected with material feeding box 3, and for the input of building steel tube, the inside upper and lower ends of material feeding box 3 are connected with fixed mount 31, fixed mount 31 middle parts are provided with charging roller 32, for driving building steel tube to move, are carried out between the charging roller 32 by belt Connection, so as to realize the transmission and input that feed the power between roller 30, and then ensure to feed the synchronous rotation of roller 30 Turn, the right-hand member of support frame as described above 4 is connected with fixed cylinder 6, and the inside of fixed cylinder 6 is provided with rotary screw 5, set inside the rotary screw 5 There is through hole 51, and then facilitate building steel tube to be conveyed out of through hole, the left end of rotary screw 5 is connected with branch by bearing Support 4, and then ensure that rotary screw 5 and the input of material feeding box 3 are connected, the 5 outer middle side part of rotary screw is connected with rotation Gear 7, rotation gear 7 lower end are engaged with drive gear 17, drive shaft 18, drive shaft 18 are connected with the middle part of the left end of drive gear 17 Left end is connected with motor 2, described 2 double steering stepper motors of drive gear, and then realizes the double steering of rotary screw 5 Step motion, so as to ensure that the movement of left and right twocouese of the sliding block 8 inside fixed cylinder 6, the left end of motor 2 connection There is driving box 20, on the one hand realize the installation to motor 2 and drive gear 17, on the other hand also to a certain extent The support limit effect to fixed cylinder 6 is realized, the lower end of driving box 20 is connected with bogie 19, and the lower end of bogie 19 is fixedly connected There is bottom plate 1, the middle part of rotary screw 5 is connected with sliding block 8, and sliding block 8 is internally threaded hole 81, the screwed hole 81 and rotation Screw rod 5 is cooperated, and then the convert rotational motion of rotary screw 5 is moved along a straight line for the left and right of sliding block 8, outside the sliding block 8 Side is uniformly connected with guide pad 82, and the outside of fixed cylinder 6 is uniformly provided with the guide groove to be cooperated with guide pad 82, for pair Guide pad 82 moves left and right carry out position-limiting action, avoids sliding block 8 from mutually being rotated with rotary screw 5, the guide pad 82 Outside is connected with mounting groove 83, and for realizing the installation to connecting rod 9, the middle part of mounting groove 83 is connected with connecting rod 9, the connecting rod 9 Guide pad 82 and pull bar 11 are connected with by articulated manner, so that connecting rod 9 can be carried out around guide pad 82 and pull bar 11 Rotate, the right-hand member of connecting rod 9 is connected with pull bar 11, the pull bar 11 for "<" shape, pull bar 11 is connected with peace by articulated manner Loading board 15, the middle part of pull bar 11 are connected with wheel stand 14, and for realizing the support to emery wheel 10, the middle part of wheel stand 14 connects There is emery wheel 10, the right-hand member of emery wheel 10 is connected with derusting motor 13, and for driving emery wheel 10 to be rotated, the right-hand member of fixed cylinder 6 connects Installing plate 15 is connected to, paint box 12 is connected with the right side of the upper end of bottom plate 1, the inside of paint box 12 is provided with discharging roller 124, For driving the building steel tube to have derusted to enter in paint box 12, the inwall of paint box 12 at discharging roller 124 both ends is provided with Discharge opening, for the export of the building steel tube to have painted, the upper center of paint box 12 is connected with storage paint case 121, storage paint case 121 upper ends are connected with lower spray painting pipe 122, and lower spray painting pipe 122 end is connected with painting nozzle 125, the storage paint case 121 lower end connection There is spray painting plate 123, spray painting plate 123 lower end is uniformly provided with painting hole, for realizing the upper end spray painting to building steel tube, institute State the inner bottom of paint box 12 and be connected with collection paint bath 126, for realizing the urushoil to being dripped in building steel tube painting process It is collected, reduces the waste of urushoil, the upper end of material collecting tank 126 faces painting nozzle 125, the connection of collection paint bath 126 bottom There is row's paint pipe 127, the middle part of spray painting pipe 127 is provided with lacquer-ejecting valve door, for collecting the discharge of urushoil in paint bath 126.
A kind of adjustable building steel tube derusting spray-painting plant, in use, the building iron by required spray painting derusting Pipe is incorporated into fixed cylinder 6 by the effect of the charging roller 32 in material feeding box 3, then passes through through hole 51 in rotary screw 5 Effect, is moved to the right-hand member of installing plate 15 by building steel tube, then by the polishing of emery wheel 10, realizes and building steel tube is removed Rust, building steel tube is drawn the reinforcing bar to have derusted by paint box 12, the effect of the discharging roller 124 inside paint box 12 afterwards Enter into paint box 12, then painted by the effect of paint plate 123 and painting nozzle 125, simple to operate, reliability is high. The present invention, it is rational in infrastructure, it is novel in design, by provided with pull bar 9 and connecting rod 11 between mutual cooperation, realize to emery wheel 10 Between distance adjustment, meet the needs of the steel pipe derusting of different-diameter, both reduced the labor intensity of staff, simultaneously Also increase derusting, in addition, by provided with paint box 12 realize auto spray painting to steel pipe after derusting, greatly improve The derusting spray painting efficiency of building steel tube, meet the derusting spray painting needs of extensive building steel tube.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.

Claims (7)

1. a kind of adjustable building steel tube derusting spray-painting plant, including bottom plate (1), it is characterised in that bottom plate (1) upper end Left side is connected with support frame (4), and support frame (4) left end is connected with material feeding box (3), and the internal upper and lower ends of material feeding box (3) are connected with Fixed mount (31), fixed mount (31) middle part are provided with charging roller (32), and support frame as described above (4) right-hand member is connected with fixed cylinder (6), Gu Rotary screw (5) is provided with inside safety barrel (6), is provided with through hole (51) inside the rotary screw (5), the rotary screw (5) is outside Middle side part is connected with rotation gear (7), and rotation gear (7) lower end is engaged with drive gear (17), in drive gear (17) left end Portion is connected with drive shaft (18), and drive shaft (18) left end is connected with motor (2), and motor (2) left end is connected with Driving box (20), driving box (20) lower end are connected with bogie (19), and bogie (19) lower end is fixedly connected with bottom plate (1), institute State and sliding block (8) is connected with the middle part of rotary screw (5), sliding block (8) is internally threaded hole (81), and sliding block (8) outside is uniformly Guide pad (82) is connected with, mounting groove (83) is connected with the outside of guide pad (82), connecting rod (9) is connected with the middle part of mounting groove (83), Connecting rod (9) right-hand member is connected with pull bar (11), and wheel stand (14) is connected with the middle part of pull bar (11), mill is connected with the middle part of wheel stand (14) Take turns (10), emery wheel (10) right-hand member is connected with derusting motor (13), and fixed cylinder (6) right-hand member is connected with installing plate (15), described Paint box (12) is connected with the right side of bottom plate (1) upper end, paint box (12) upper center is connected with storage paint case (121), storage paint Case (121) upper end is connected with lower spray painting pipe (122), and lower spray painting pipe (122) end is connected with painting nozzle (125), the storage paint case (121) lower end is connected with spray painting plate (123), and paint box (12) inner bottom is connected with collection paint bath (126), collects paint bath (126) bottom is connected with row's paint pipe (127), and discharging roller (124), discharging roller (124) are provided with inside the paint box (12) Paint box (12) inwall at both ends is provided with discharge opening.
A kind of 2. adjustable building steel tube derusting spray-painting plant according to claim 1, it is characterised in that the charging Roller is attached between (32) by belt.
A kind of 3. adjustable building steel tube derusting spray-painting plant according to claim 1, it is characterised in that the rotation Screw rod (5) left end is connected with support frame (4) by bearing.
A kind of 4. adjustable building steel tube derusting spray-painting plant according to claim 1, it is characterised in that the fixation The guide groove to be cooperated with guide pad (82) is uniformly provided with the outside of cylinder (6).
A kind of 5. adjustable building steel tube derusting spray-painting plant according to claim 1, it is characterised in that the connecting rod (9) guide pad (82) and pull bar (11) are connected with by articulated manner.
A kind of 6. adjustable building steel tube derusting spray-painting plant according to claim 1, it is characterised in that the pull bar (11) be "<" shape, pull bar (11) is connected with installing plate (15) by articulated manner.
A kind of 7. adjustable building steel tube derusting spray-painting plant according to claim 1, it is characterised in that the spray painting Plate (123) lower end is uniformly provided with painting hole.
CN201710522634.7A 2017-06-30 2017-06-30 A kind of adjustable building steel tube derusting spray-painting plant Withdrawn CN107344154A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710522634.7A CN107344154A (en) 2017-06-30 2017-06-30 A kind of adjustable building steel tube derusting spray-painting plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710522634.7A CN107344154A (en) 2017-06-30 2017-06-30 A kind of adjustable building steel tube derusting spray-painting plant

Publications (1)

Publication Number Publication Date
CN107344154A true CN107344154A (en) 2017-11-14

Family

ID=60256671

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710522634.7A Withdrawn CN107344154A (en) 2017-06-30 2017-06-30 A kind of adjustable building steel tube derusting spray-painting plant

Country Status (1)

Country Link
CN (1) CN107344154A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107961936A (en) * 2017-11-27 2018-04-27 冯全义 A kind of steel rod steel pipe polishing spray painting integrated device
CN108580096A (en) * 2018-04-19 2018-09-28 叶秋云 A kind of intelligent integral process equipment
CN110216569A (en) * 2019-07-25 2019-09-10 丽水中影机械科技有限公司 A kind of construction reinforcing bar polishing rust removalling equipment
CN112024197A (en) * 2020-09-23 2020-12-04 滁州市友邦涂装有限公司 Decoration fitting spraying tool with round hole structure
CN113457880A (en) * 2021-06-23 2021-10-01 南京群峯科技新材料有限公司 Automatic discharging device and method for processing copper bar
CN115125374A (en) * 2022-09-01 2022-09-30 淮安游刃精工制造有限公司 Metal wire machining device and method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107961936A (en) * 2017-11-27 2018-04-27 冯全义 A kind of steel rod steel pipe polishing spray painting integrated device
CN107961936B (en) * 2017-11-27 2019-11-12 浙江郑林机械股份有限公司 A kind of steel rod/steel pipe polishing spray painting integrated device
CN108580096A (en) * 2018-04-19 2018-09-28 叶秋云 A kind of intelligent integral process equipment
CN110216569A (en) * 2019-07-25 2019-09-10 丽水中影机械科技有限公司 A kind of construction reinforcing bar polishing rust removalling equipment
CN112024197A (en) * 2020-09-23 2020-12-04 滁州市友邦涂装有限公司 Decoration fitting spraying tool with round hole structure
CN113457880A (en) * 2021-06-23 2021-10-01 南京群峯科技新材料有限公司 Automatic discharging device and method for processing copper bar
CN113457880B (en) * 2021-06-23 2022-07-08 南京群峯科技新材料有限公司 Automatic discharging device and method for processing copper bar
CN115125374A (en) * 2022-09-01 2022-09-30 淮安游刃精工制造有限公司 Metal wire machining device and method

Similar Documents

Publication Publication Date Title
CN107344154A (en) A kind of adjustable building steel tube derusting spray-painting plant
CN108145578A (en) A kind of efficient steel pipe grinding device for collecting anvil cinder function
CN110948361A (en) Steel bar surface rust removal device for building engineering
CN108890480A (en) A kind of automobile pipe fitting welding processing weld grinding prosthetic device
CN103470910A (en) On-line winding machine for pipeline
CN210125499U (en) Paint spraying equipment for pipe rust prevention treatment
CN108857907A (en) A kind of sand blasting device for steel pipe processing
CN207609143U (en) It is a kind of can be to the intelligent building decorating apparatus of the secondary painting of arc balcony exterior wall
CN202928970U (en) Flaw detection car for industrial X ray
CN108748674A (en) A kind of armored concrete process equipment that mixing effect is good
CN209439226U (en) A kind of al profile extrusion line traction device
CN210412785U (en) Ring cutting machine
CN210647862U (en) Steel pipe straightener for machining
CN213996425U (en) Lifting appliance for spraying steel pipe
CN214263660U (en) Explosion-proof deformed steel bar arc bending machine
CN114392993A (en) Impurity removing device for cleaning inner wall of large blast furnace ditch and using method thereof
CN213051243U (en) Automatic metal wire spraying equipment
CN208162321U (en) A kind of uncoiler
CN207470919U (en) A kind of high pressure line docking facilities with turning function
CN211027865U (en) Novel zero-error steel bar straightener for building
CN208496023U (en) A kind of fixed device of steel-pipe welding
CN206263719U (en) Reinforced bar cold mill drawing cylinder prosthetic device
CN108906371A (en) A kind of equipment of automation injection release agent
CN216965669U (en) Impurity removing device for cleaning inner wall of large blast furnace ditch
CN217224997U (en) Strip steel straightening and derusting device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20171114