CN109456810A - A kind of charcoal char particle preparation facilities - Google Patents

A kind of charcoal char particle preparation facilities Download PDF

Info

Publication number
CN109456810A
CN109456810A CN201910010483.6A CN201910010483A CN109456810A CN 109456810 A CN109456810 A CN 109456810A CN 201910010483 A CN201910010483 A CN 201910010483A CN 109456810 A CN109456810 A CN 109456810A
Authority
CN
China
Prior art keywords
fixedly connected
stent
hopper
telescoping tube
movable mold
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
Application number
CN201910010483.6A
Other languages
Chinese (zh)
Inventor
张宏宇
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 CN201910010483.6A priority Critical patent/CN109456810A/en
Publication of CN109456810A publication Critical patent/CN109456810A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L5/00Solid fuels
    • C10L5/02Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
    • C10L5/06Methods of shaping, e.g. pelletizing or briquetting

Abstract

The invention discloses a kind of charcoal char particle preparation facilities, including mold, pressurizing unit, charging device, rack and stepper motor, mold includes stent and movable mold;Movable mold is rotatablely connected vertically with stent, after movable mold and stent mutually fasten, forms spherical cavity between movable mold and stent one side close to each other;Pressurizing unit includes air bag, conduit, air pump and straight line mould group, and stent and straight line Mo Zu are fixedly connected with rack respectively, and air bag is connected to by conduit with air pump gas;The first through hole for conduit insertion is offered on mold;Stepper motor is fixedly connected with rack, and stent is fixedly connected with the output shaft of stepper motor;Charging device includes hopper and telescoping tube, hopper is fixedly connected with rack, telescoping tube is fixedly connected with hopper and is connected to hopper inner space, the second through-hole for telescoping tube insertion is offered in movable mold, its advantage is that powdered carbon can be prepared into hollow charcoal char particle, it avoids that fugitive dust occurs, there is effects of energy conservation and environmental protection.

Description

A kind of charcoal char particle preparation facilities
Technical field
The present invention relates to waste disposal technical fields, and in particular to a kind of charcoal char particle preparation facilities.
Background technique
Blast furnace ash can be generated during blast furnace ironmaking, blast furnace ash is also referred to as blast furnace dust, is generated in ironmaking processes Waste, chemical component is more complicated, including sulfide and charcoal, carries out after flotation mentions charcoal, charcoal is usually with powdered State discharge, powdered carbon is easy to happen dust raising phenomenon, if not carrying out processing appropriate to it, pollutes to air environment bigger.
Summary of the invention
The purpose of the present invention is to provide a kind of charcoal char particle preparation facilities, to solve the powdered carbon of existing blast furnace ironmaking discharge Waste is easy to happen the problem of dust raising phenomenon.
To achieve the above object, the technical solution of the present invention is as follows:
A kind of charcoal char particle preparation facilities, including mold, pressurizing unit, charging device, rack and stepper motor, mold include fixing Mould and movable mold;
Movable mold is rotatablely connected vertically with stent, and after movable mold and stent mutually fasten, movable mold and stent are mutual Spherical cavity is formed between close one side;
Pressurizing unit includes air bag, conduit, air pump and straight line mould group, and air bag has flexibility;
Stent and straight line Mo Zu are fixedly connected with rack respectively, and wherein one end is fixedly connected conduit with air bag, the conduit other end It is fixedly connected with air pump, air bag is connected to by conduit with air pump gas;
Straight line mould group and conduit are horizontally disposed, and the first through hole for conduit insertion is offered on mold;
Stepper motor is fixedly connected with rack, and stent is fixedly connected with the output shaft of stepper motor;
Charging device includes hopper and telescoping tube, and hopper is fixedly connected with rack, and telescoping tube is fixedly connected with hopper and and hopper Inner space connection, telescoping tube are vertically arranged, and telescoping tube is located at below hopper, and mold is located at below telescoping tube, are opened in movable mold Equipped with the second through-hole being inserted into for telescoping tube.
The present invention is further arranged to: the telescoping tube includes fixing pipe and adjustable pipe, fixing pipe be located at the hopper and Between adjustable pipe, fixing pipe upper end is fixedly connected with hopper, fixing pipe lower end and adjustable pipe grafting;
The charging device further includes hydraulic pump, and the pump housing of hydraulic pump is fixedly connected with fixing pipe, the piston rod of hydraulic pump and work Dynamic pipe is fixedly connected, and the telescopic direction of hydraulic pump and the telescopic direction of telescoping tube are parallel.
The present invention is further arranged to: the stent and movable mold is close to each other has been respectively fixedly connected on one side After electromagnet, stent and movable mold mutually fasten, the electromagnet in stent and movable mold is mutually aligned.
The present invention is further arranged to: being fixedly connected with the first vibrator in the stent, the first vibrator includes the One shell, the first driving motor and the first eccentric wheel, first shell are fixedly connected with stent, the first driving motor and first shell Body is fixedly connected, and the first eccentric wheel is fixedly connected with the output shaft of the first driving motor, the center axis deviation of the first eccentric wheel The central axis of first driving motor output shaft.
The present invention is further arranged to: the second vibrator is fixedly connected on the hopper, the second vibrator includes second Shell, the second driving motor and the second eccentric wheel, second shell are fixedly connected with hopper, and the second driving motor and second shell are solid Fixed connection, the second eccentric wheel are fixedly connected with the output shaft of the second driving motor, the center axis deviation second of the second eccentric wheel The central axis of driving motor output shaft.
The present invention is further arranged to: the diameter of the first through hole is less than the diameter of spherical cavity.
The present invention is further arranged to: the diameter of second through-hole is three millimeters to seven millimeters.
The present invention is further arranged to: the outer surface diameter after the air bag expansion is greater than the diameter of the first through hole, Outer surface diameter after balloon contraction is less than the diameter of first through hole.
The present invention has the advantage that
1, powdered carbon can be compacted to form integrated charcoal char particle by the present invention, recycle to charcoal char particle, avoid powdered carbon that fugitive dust occurs Phenomenon reaches environment protecting, smashs charcoal char particle to pieces again in blast furnace ironmaking and reuses in investment molten iron, reaches energy-saving effect;
2, carbon coke particle shape is at hollow structure, and for solid construction, the charcoal char particle thickness of hollow structure is smaller, convenient for pressure Real, the energy consumed in compacting process is less, carries out smashing processing to pieces when the charcoal char particle of hollow structure is also convenient for reusing.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is the status diagram embodied after air bag extraction spherical cavity in the present invention;
Fig. 3 is the status diagram embodied when charcoal char particle is poured out spherical cavity in the present invention;
Fig. 4 is the schematic diagram that carbon coke kernel structure is embodied in the present invention.
Wherein,
1, rack;
2, stepper motor;
31, stent;32, movable mold;33, spherical cavity;34, first through hole;35, the second through-hole;36, electromagnet;
41, air bag;42, conduit;43, air pump;44, straight line mould group;
51, hopper;52, fixing pipe;53, adjustable pipe;54, hydraulic pump;
61, first shell;62, the first driving motor;63, the first eccentric wheel;
71, second shell;72, the second driving motor;73, the second eccentric wheel;
8, charcoal char particle.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Embodiment
A kind of charcoal char particle preparation facilities, as shown in Figure 1, including mold, pressurizing unit, charging device, rack 1 and stepping electricity Machine 2, mold include stent 31 and movable mold 32;Movable mold 32 and stent 31 are rotatablely connected vertically, movable mold 32 and fixation After mould 31 mutually fastens, spherical cavity 33 is formed between movable mold 32 and the one side close to each other of stent 31;Pressurizing unit packet Air bag 41, conduit 42, air pump 43 and straight line mould group 44 are included, air bag 41 has flexibility;Stent 31 and straight line mould group 44 respectively with Rack 1 is fixedly connected, and wherein one end is fixedly connected conduit 42 with air bag 41, and 42 other end of conduit is fixedly connected with air pump 43, gas Capsule 41 is connected to by conduit 42 with 43 gas of air pump;Straight line mould group 44 and conduit 42 are horizontally disposed, are offered on mold for conduit 42 The first through hole 34 of insertion;Stepper motor 2 is fixedly connected with rack 1, and the output shaft of stent 31 and stepper motor 2 is fixed to be connected It connects;Charging device includes hopper 51 and telescoping tube, and hopper 51 is fixedly connected with rack 1, telescoping tube be fixedly connected with hopper 51 and It being connected to 51 inner space of hopper, telescoping tube is vertically arranged, and telescoping tube is located at 51 lower section of hopper, and mold is located at below telescoping tube, The second through-hole 35 for telescoping tube insertion is offered in movable mold 32.
In conjunction with Fig. 2 and Fig. 3, when work, the powdered carbon of discharge is packed into hopper 51, stent 31 and movable mold 32 are fastened, stretched The draw extends and is inserted into the second through-hole 35, and straight line mould group 44 drives gas air pump 43 and conduit 42 to move towards the direction close to mold, Air bag 41 is inserted into first through hole 34 with conduit 42, and air pump 43 starts to 41 inner inflatable of air bag, the expansion of air bag 41 in spherical, The centre of sphere of air bag 41 is overlapped with the centre of sphere of spherical cavity 33, forms gap between 33 inner wall of 41 outer surface of air bag and spherical cavity, when After gap size reaches required size (such as three millimeters or five millimeters), 43 break-off of air pump, the powdered carbon in hopper 51 It is leaked into the gap between 33 inner wall of 41 outer wall of air bag and spherical cavity by telescoping tube, when 33 inner wall of 41 outer wall of air bag and spherical cavity Between gap filled up by powdered carbon after, telescoping tube, which is shunk, extracts the second through-hole 35, and air pump 43 works on further to air bag 41 Pressurization, air bag 41 is further expanded and the powdered carbon in top clearance, powdered carbon are compacted to be formed after one, and air pump 43 is to air bag 41 Pumping, air bag 41 shrink and are covered on 42 port outer wall of conduit, and straight line mould group 44 drives air pump 43 and conduit 42 towards far from mould The direction of tool moves, and air bag 41 extracts spherical cavity 33 from first through hole 34 with conduit 42, and stepper motor 2 drives stent 31 Rotated ninety degrees (at least rotating 75 degree) straight down, by movable mold 32 towards the direction rotated ninety degrees far from stent 31 More than, spherical cavity 33 is turned on, and charcoal char particle 8(its structure that compacting is formed after one is shown in Fig. 4) by gravity from stent 31 Inside is fallen, and is recycled to charcoal char particle 8, is avoided powdered carbon that dust raising phenomenon occurs, is reached environment protecting.In blast furnace ironmaking Charcoal char particle 8 is smashed to pieces again and is reused in investment molten iron, energy-saving effect is reached.
Telescoping tube includes fixing pipe 52 and adjustable pipe 53, and fixing pipe 52 is between hopper 51 and adjustable pipe 53, fixing pipe 52 upper ends are fixedly connected with hopper 51,52 lower end of fixing pipe and 53 grafting of adjustable pipe;Charging device further includes hydraulic pump 54, hydraulic The pump housing of pump 54 is fixedly connected with fixing pipe 52, and the piston rod of hydraulic pump 54 is fixedly connected with adjustable pipe 53, and hydraulic pump 54 is stretched Contracting direction is parallel with the telescopic direction of telescoping tube.
Stent 31 and movable mold 32 it is close to each other be respectively fixedly connected with electromagnet 36, stent 31 and activity on one side Mould 32 mutually fasten after, the electromagnet 36 in stent 31 and movable mold 32 is mutually aligned, electromagnet 36 be powered after mutually it Between generate electromagnetic force, when between electromagnet 36 generate attraction force when driving stent 31 and movable mold 32 mutually detain It closes, when generating repulsion force between electromagnet 36, driving stent 31 and 32 relative rotation of movable mold are opened.
The first vibrator is fixedly connected in stent 31, the first vibrator includes first shell 61, the first driving motor 62 and first eccentric wheel 63, first shell 61 be fixedly connected with stent 31, the first driving motor 62 and first shell 61 are fixed Connection, the first eccentric wheel 63 are fixedly connected with the output shaft of the first driving motor 62, the center axis deviation of the first eccentric wheel 63 The central axis of first driving motor, 62 output shaft.
It drives stent 31 to shake when first driving motor 62 works, fills convenient for the powdered carbon in telescoping tube to outside air bag 41 In gap between 33 inner wall of wall and spherical cavity.
The second vibrator is fixedly connected on hopper 51, the second vibrator includes second shell 71, the second driving motor 72 With the second eccentric wheel 73, second shell 71 is fixedly connected with hopper 51, and the second driving motor 72 is fixedly connected with second shell 71, Second eccentric wheel 73 is fixedly connected with the output shaft of the second driving motor 72, and the center axis deviation second of the second eccentric wheel 73 is driven The central axis of dynamic 72 output shaft of motor.
Hopper 51 and telescoping tube vibration are driven when second driving motor 72 works, convenient for the powdered carbon in hopper 51 and telescoping tube Into spherical cavity 33.
The diameter of first through hole 34 is less than the diameter of spherical cavity 33, and charcoal char particle 8 forms hollow structure, relative to solid construction For, 8 thickness of charcoal char particle of hollow structure is smaller, and convenient for compacting, the energy consumed in compacting process is less, the charcoal of hollow structure It carries out smashing processing (more easily being smashed to pieces) to pieces when char particle 8 is also convenient for reusing.
The diameter of second through-hole 35 is three millimeters to seven millimeters.Outer surface diameter after air bag 41 is expanded is greater than first through hole 34 diameter, the outer surface diameter after the contraction of air bag 41 are less than the diameter of first through hole 34.
Region in Fig. 1,2,3 and 4 filled with hacures is the cutting plane of all parts, and section is to pass through each portion The plane at part center is section, if the charcoal char particle in Fig. 4 is the view intercepted using the plane by charcoal char particle center as cutting plane, Charcoal char particle is hollow ball shape.
Charcoal char particle 8 is the preferred embodiment that hollow ball shape is the present embodiment, actually can also be other shapes, such as cylinder Body shape or rectangular-shape.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore, These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.

Claims (8)

1. a kind of charcoal char particle preparation facilities, it is characterized in that: including mold, pressurizing unit, charging device, rack (1) and stepping electricity Machine (2), mold include stent (31) and movable mold (32);
Movable mold (32) and stent (31) are rotatablely connected vertically, living after movable mold (32) and stent (31) mutually fastening Spherical cavity (33) are formed between dynamic model (32) and stent (31) one side close to each other;
Pressurizing unit includes air bag (41), conduit (42), air pump (43) and straight line mould group (44), and air bag (41) has flexibility;
Stent (31) and straight line mould group (44) are fixedly connected with rack (1) respectively, conduit (42) wherein one end and air bag (41) It is fixedly connected, conduit (42) other end is fixedly connected with air pump (43), and air bag (41) is connected by conduit (42) and air pump (43) gas It is logical;
Straight line mould group (44) and conduit (42) are horizontally disposed, and the first through hole (34) for conduit (42) insertion is offered on mold;
Stepper motor (2) is fixedly connected with rack (1), and stent (31) is fixedly connected with the output shaft of stepper motor (2);
Charging device includes hopper (51) and telescoping tube, and hopper (51) is fixedly connected with rack (1), and telescoping tube and hopper (51) are solid Fixed to connect and be connected to hopper (51) inner space, telescoping tube is vertically arranged, and telescoping tube is located at below hopper (51), and mold is located at Below telescoping tube, the second through-hole (35) for telescoping tube insertion is offered in movable mold (32).
2. a kind of charcoal char particle preparation facilities according to claim 1, it is characterized in that: the telescoping tube includes fixing pipe (52) With adjustable pipe (53), fixing pipe (52) is between the hopper (51) and adjustable pipe (53), fixing pipe (52) upper end and hopper (51) it is fixedly connected, fixing pipe (52) lower end and adjustable pipe (53) grafting;
The charging device further includes hydraulic pump (54), and the pump housing of hydraulic pump (54) is fixedly connected with fixing pipe (52), hydraulic pump (54) piston rod is fixedly connected with adjustable pipe (53), and the telescopic direction of hydraulic pump (54) is parallel with the telescopic direction of telescoping tube.
3. a kind of charcoal char particle preparation facilities according to claim 1, it is characterized in that: the stent (31) and the activity Mould (32) is close to each other to be respectively fixedly connected with electromagnet (36) on one side, and stent (31) and movable mold (32) mutually fasten it Afterwards, the electromagnet (36) in stent (31) and movable mold (32) is mutually aligned.
4. a kind of charcoal char particle preparation facilities according to claim 1, it is characterized in that: being fixedly connected in the stent (31) There is the first vibrator, the first vibrator includes first shell (61), the first driving motor (62) and the first eccentric wheel (63), and first Shell (61) is fixedly connected with stent (31), and the first driving motor (62) is fixedly connected with first shell (61), and first is eccentric Wheel (63) is fixedly connected with the output shaft of the first driving motor (62), and the center axis deviation first of the first eccentric wheel (63) drives The central axis of motor (62) output shaft.
5. a kind of charcoal char particle preparation facilities according to claim 1, it is characterized in that: being fixedly connected on the hopper (51) Second vibrator, the second vibrator include second shell (71), the second driving motor (72) and the second eccentric wheel (73), second shell Body (71) is fixedly connected with hopper (51), and the second driving motor (72) is fixedly connected with second shell (71), the second eccentric wheel (73) it is fixedly connected with the output shaft of the second driving motor (72), the center axis deviation second of the second eccentric wheel (73) drives electricity The central axis of machine (72) output shaft.
6. a kind of charcoal char particle preparation facilities according to claim 1, it is characterized in that: the diameter of the first through hole (34) is small Diameter in spherical cavity (33).
7. a kind of charcoal char particle preparation facilities according to claim 1, it is characterized in that: the diameter of second through-hole (35) is Three millimeters to seven millimeters.
8. a kind of charcoal char particle preparation facilities according to claim 1, it is characterized in that: the appearance after the air bag (41) expansion Face diameter is greater than the diameter of the first through hole (34), and the outer surface diameter after air bag (41) is shunk is less than first through hole (34) Diameter.
CN201910010483.6A 2019-01-07 2019-01-07 A kind of charcoal char particle preparation facilities Pending CN109456810A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910010483.6A CN109456810A (en) 2019-01-07 2019-01-07 A kind of charcoal char particle preparation facilities

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910010483.6A CN109456810A (en) 2019-01-07 2019-01-07 A kind of charcoal char particle preparation facilities

Publications (1)

Publication Number Publication Date
CN109456810A true CN109456810A (en) 2019-03-12

Family

ID=65616100

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910010483.6A Pending CN109456810A (en) 2019-01-07 2019-01-07 A kind of charcoal char particle preparation facilities

Country Status (1)

Country Link
CN (1) CN109456810A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111319204A (en) * 2020-03-02 2020-06-23 罗永莉 Intelligent injection molding system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0483980A1 (en) * 1990-10-31 1992-05-06 Better Agricultural Goals Corporation Variable diameter hollow extruded articles and method of manufacture
CN202071384U (en) * 2011-04-25 2011-12-14 北京诺曼斯佰环保科技有限公司 Mould for producing hollow activated carbon
CN202763985U (en) * 2012-06-21 2013-03-06 赵光辉 Plate type extrusion die
CN104037057A (en) * 2014-06-19 2014-09-10 国网四川省电力公司成都市新都供电分公司 Bulb replacement device for high-voltage chamber of transformer substation
CN104419487A (en) * 2013-08-23 2015-03-18 钱玉明 Non-cylinder hollow machine-made charcoal
CN106863557A (en) * 2017-03-28 2017-06-20 湖南思为科技开发股份有限公司 Internal expansion type building block forming device and method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0483980A1 (en) * 1990-10-31 1992-05-06 Better Agricultural Goals Corporation Variable diameter hollow extruded articles and method of manufacture
CN202071384U (en) * 2011-04-25 2011-12-14 北京诺曼斯佰环保科技有限公司 Mould for producing hollow activated carbon
CN202763985U (en) * 2012-06-21 2013-03-06 赵光辉 Plate type extrusion die
CN104419487A (en) * 2013-08-23 2015-03-18 钱玉明 Non-cylinder hollow machine-made charcoal
CN104037057A (en) * 2014-06-19 2014-09-10 国网四川省电力公司成都市新都供电分公司 Bulb replacement device for high-voltage chamber of transformer substation
CN106863557A (en) * 2017-03-28 2017-06-20 湖南思为科技开发股份有限公司 Internal expansion type building block forming device and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111319204A (en) * 2020-03-02 2020-06-23 罗永莉 Intelligent injection molding system
CN111319204B (en) * 2020-03-02 2022-03-29 杭州宏凌塑胶五金有限公司 Intelligent injection molding system

Similar Documents

Publication Publication Date Title
CN104985421B (en) Connector disassembles robot
CN109456810A (en) A kind of charcoal char particle preparation facilities
CN109968493B (en) Building material pressure vacuum vibration forming machine
CN110803346B (en) Automatic charging and sealing integrated equipment for material bags
CN105464840B (en) The filling apparatus of engine constant temperature and pressure continuous charging is pushed away for miniature composite solid
CN109049368A (en) A kind of universal dabbing machine of movable type
CN208630958U (en) A kind of metallic sodium pail pack bagging device
CN208865690U (en) A kind of gyratory crusher backplate
CN109465073A (en) A kind of wet ball mill of blanking smoothness
CN212006718U (en) Smelting furnace for metal processing
CN211614309U (en) Powder metallurgy's raw material mixing device
CN205650277U (en) Horizontal sand mill
CN206454787U (en) Battery recycling lead powder knot screen
CN108325588A (en) A kind of ore extruding crushing automatic splinter screening device for screening
CN208879630U (en) A kind of Casting Mechanism of moulding machine
CN208407118U (en) A kind of Chinese medicine bruisher of actuated by cams
CN209576852U (en) A kind of disposed waste processing unit of architectural engineering
CN106813542A (en) The servicing unit of blast hole projectile filling in a kind of blast working
CN108906835A (en) A kind of machining dust recycling and processing device
CN206104004U (en) Small -size jaw breaker is used in operation
CN211304753U (en) Cleaning device of cantilever type foundry goods surface bonded sand
CN209023174U (en) A kind of SOLID ORGANIC fertilizer packaging facilities
CN109173221A (en) A kind of table tennis ball serving device and its adjusting method convenient for adjusting
CN208375083U (en) A kind of rack platform of water mist blasting by abrasives machine
CN208247106U (en) A kind of high position grouting 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
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20190312