CN108001716A - A kind of oxidizable inflammable and explosive powder is canned to use quick access device and application method - Google Patents
A kind of oxidizable inflammable and explosive powder is canned to use quick access device and application method Download PDFInfo
- Publication number
- CN108001716A CN108001716A CN201711279892.3A CN201711279892A CN108001716A CN 108001716 A CN108001716 A CN 108001716A CN 201711279892 A CN201711279892 A CN 201711279892A CN 108001716 A CN108001716 A CN 108001716A
- Authority
- CN
- China
- Prior art keywords
- quick
- connection pipeline
- soon
- canned
- powder
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
- B65B1/32—Devices or methods for controlling or determining the quantity or quality or the material fed or filled by weighing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
- B65B1/16—Methods of, or means for, filling the material into the containers or receptacles by pneumatic means, e.g. by suction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B57/00—Automatic control, checking, warning, or safety devices
- B65B57/005—Safety-devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quality & Reliability (AREA)
- Air Transport Of Granular Materials (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
A kind of oxidizable inflammable and explosive powder is canned to use quick access device and application method, belongs to the canned quick-connection pipeline technical field of powder.Including:Closed storage bin (1), connect bayonet, closed storage tank (2), quick-connection pipeline soon;Quick-connection pipeline includes quick union, elastic hose (9), gas valve;Closed storage bin (1) bottom is welded with first and connects bayonet (7) soon, and be welded with second at the top of closed storage tank (2) connects bayonet (8) soon, this two connect bayonet and connected by quick-connection pipeline soon;Quick-connection pipeline one end is the first quick union (3), the first quick union (3) drills and welds the first gas valve (4);Quick-connection pipeline interlude is elastic hose (9), and the quick-connection pipeline other end is the second quick union (5), and the second quick union (5) drilling simultaneously welds the second gas valve (6).Advantage is, it can be achieved that meeting the oxidizable inflammable and explosive dangerous powder of air quick canned envelope fortune between closed container.
Description
Technical field
The invention belongs to the canned quick-connection pipeline technical field of powder, more particularly to a kind of oxidizable inflammable and explosive powder tank
Dress quick access device and application method, will run into oxidizable, inflammable, explosive powder during air and completely cut off sky between two closed containers
Gas tank dress envelope fortune, avoids generation powder leakage disperse from causing spontaneous combustion or explosion in atmosphere.
Background technology
Simple metal bismuth meal is a kind of automatic steel alloying element, its boiling point is very low and is easily aoxidized again in air, it is necessary to close
Envelope preserves, and need during alloying to break a seal uses immediately.
Coal dust be it is a kind of be widely used in steel, power plant, the fuel or reducing agent of kinetic energy Chang Deng enterprises, according to national standard will
Ask, coal dust requires isolation air in process, pipeline transportation to avoid cloud form spontaneous combustion of pulverized coal and explosion, when needing coal dust
From closed storage bin to another storage bin it is canned when, be easy to cause contact of the powder with air and cause danger.
This kind of oxidizable, inflammable, the explosive powder of air that runs into is in commercial Application and the canned mistake between closed storage bin above
There is the potentially dangerous property of ingress of air in journey.
Chinese patent《A kind of powder conveying pipeline attachment device》It is defeated that (application number 201220125161.X) discloses powder
Assembling pipe joint is sent, which includes cloth cylinder and upper and lower conical pipe, and the cloth cylinder has interlayer, and interlayer bottom is equipped with
Hanging ring, interlayer are fixedly arranged in the middle of annulus, and the upper conical pipe is identical with inferior pyramidal tube shape, is hollow round platform, and round platform is big
Small end face has been respectively and fixedly connected with large flange and small flange, and the large end face of upper and lower conical pipe is connected by large flange, the upper conical pipe
Small flange sleeve below the annulus of the cloth cylinder, the outside diameter of the annulus and hanging ring is more than the internal diameter of small flange.This practicality is new
Type is simple in structure, the phase mutual friction of metal is not present in inner-walls of duct no backup and inner-walls of duct, suitable for high-low-position conveyance conduit
There are the oxidizable inflammable and explosive powder conveying pipeline connection of relative movement.The Patent linkage device is by two pipes of flanged joint
Road, does not possess Fast Installation function.
Chinese patent《Coal dust Geldart-D particle nitrogen circulation utilizes system》(application number 201620294163.X) discloses one
Kind coal dust is used in nitrogen delivery pipe road, the system for being recycled the compression of tail end mouth nitrogen using air compressor machine, its nitrogen circulation
Using recovery system 60% is saved than traditional nitrogen conveying energy consumption.The patent is related to inert gas pulverized coal conveying, but not
Have embody two closed containers between unloading powder content.
The content of the invention
A kind of oxidizable inflammable and explosive powder is canned to use quick-connection pipeline structure and application method present invention aims at providing,
Solve the dangerous problem that coal dust, magnesium powder, aluminium powder etc. are all easily aoxidized, burnt, exploding in the presence of chance air/oxygen;Improve
Operating rate, reduces dangerous.
The present invention oxidizable inflammable and explosive powder it is canned with quick access device be used for by oxidizable inflammable and explosive powder by
Closed storage bin 1 is canned to closed storage tank 2.
The quick access device of the present invention includes (see Fig. 1):Closed storage bin 1, connect bayonet, closed storage tank 2, fast adapter soon
Road;Quick-connection pipeline includes quick union, elastic hose 9, gas valve.
Closed 1 bottom of storage bin is welded with first and connects bayonet 7 soon, and the closed top of storage tank 2 is welded with second and connects bayonet soon
8, this two connect bayonet and are connected by quick-connection pipeline soon.Quick-connection pipeline one end is the first quick union 3, the first quick union 3 drills
And weld the first gas valve 4;Quick-connection pipeline interlude is elastic hose 9, and the quick-connection pipeline other end is the second quick union 5,
Second quick union 5 drills and welds the second gas valve 6.
First quick union 3, the second quick union 5 (see Fig. 2) are by arc sealing convex surface 10, external screw thread 11, fastener
Bar 12, tube wall 13 form.Wherein arc sealing convex surface 10, external screw thread 11, tube wall 13 are process on same circular rod iron, tightly
Gu 12 welded and installed of strip is in circular rod iron outer wall.
Fastening strip 12 is made of (see Fig. 3, symmetrical two) strip 14, axis block 15, spring 16.Its axis block 15 welds
It is connected on quick union, strip 14 and axis block 15 are welded on strip 14 with axis connection, spring 16, and strip 14 can be around axis during pressing
Block 15 is rotated and declined in 16 one end of spring.
First connects bayonet 7, second soon connects bayonet 8 (see Fig. 4) by arc sealing concave 17, internal thread 18, fastener soon
Tooth 19, tube wall 13 form.Wherein arc sealing concave 17, internal thread 18, tube wall 13 are processed on another same circular rod iron
Form, internal thread 18 will be matched with external screw thread 11, and fastening latch 19 is welded on circle after being processed into by thickness 5mm~10mm steel discs
Rod iron outer wall.
Quick union with connect soon bayonet tighten be connected when, strip 14 extend into fastening latch 19 between, rotate quick union
When strip 14 fastening latch 19 on by tooth be engaged fasten, possess rotation angle and be sealably coupled fast adapter no more than 360 degree
Road and the function of closed storage bin 1 and closed storage tank 2.Radial compression power is provided by screw thread, it is (middle by arc sealing surface
Pad rubber washer) guarantee air-tightness is compressed, ensure to be connected firmly not falling off by fastening strip 12 and fastening latch 19.
Inert gas evacuation of air can be injected into quick-connection pipeline by gas valve, protect powder not with air contact.
Elastic hose 9, quick union, connect bayonet soon powder conveying pipeline diameter it is identical, so that powder flowing is unobstructed.
First quick union 3 of quick-connection pipeline is connected to the first of closed storage bin 1 and connects bayonet 7 soon, second is connect soon
What connector 5 was connected to closed storage tank 2 second connects bayonet 8 soon.First gas valve 4 is connected into inert gas source, it is logical to open first
After quick-connection pipeline structure is full of inert gas by 4 and second gas valve 6 of air valve, it is logical to close the first gas valve 4 and second
Air valve 6, ensures the oxidizable inflammable and explosive quick canning process security of powder.
The powder valve of closed storage bin 1 and closed storage tank 2 is opened, it is canned to start powder.
After canned, closed storage bin 1 is first closed, vibrations quick-connection pipeline is manually beaten and reduces residual powder, it is rear to close
The powder valve of closed storage tank 2, lays down quick-connection pipeline both ends the first quick union 3 and the second quick union 5, completes oxidizable
Inflammable and explosive powder is canned.
The technology of the present invention feature is to be used to meet the oxidizable inflammable and explosive powder of air from a closed storage bin to another
The canned quick-connection pipeline of a closed storage bin and application method, quick-connection pipeline both ends are provided with quick union and gas valve, profit
Two closed storage bins are connected with quick union, gas valve is used for external inert gas source, and quick-connection pipeline is emptied with inert gas
Afterwards, it is canned to carry out powder.It is quick canned between closed container that the oxidizable inflammable and explosive dangerous powder of chance air can be achieved in the present invention
Feng Yun.
Brief description of the drawings
Fig. 1 is a kind of canned quick-connection pipeline knot with quick-connection pipeline structure and application method of oxidizable inflammable and explosive powder
Structure.Wherein:Closed storage bin 1, first connects bayonet 7, the first quick union 3, the first gas valve 4, elastic hose 9, second soon
Gas valve 6, the second quick union 5, second connect bayonet 8, closed storage tank 2 soon
Fig. 2 illustrates for a kind of canned quick union of quick-connection pipeline structure and application method of oxidizable inflammable and explosive powder
Figure.Wherein, arc sealing convex surface 10, external screw thread 11, fastening strip 12, tube wall 13, gas valve 4
Fig. 3 is that a kind of oxidizable inflammable and explosive powder is canned tight with the quick union of quick-connection pipeline structure and application method
Gu strip schematic diagram.Wherein, strip 14, axis block 15, spring 16
Fig. 4 is that a kind of canned bayonet that connects soon with quick-connection pipeline structure and application method of oxidizable inflammable and explosive powder is illustrated
Figure.Wherein, arc sealing concave 17, internal thread 18, fastening latch 19, tube wall 13
Embodiment
The quick access device of the present invention includes (see Fig. 1):Closed storage bin 1, connect bayonet, closed storage tank 2, fast adapter soon
Road;Quick-connection pipeline includes quick union, elastic hose 9, gas valve.
Closed 1 bottom of storage bin is welded with first and connects bayonet 7 soon, and the closed top of storage tank 2 is welded with second and connects bayonet soon
8, this two connect bayonet and are connected by quick-connection pipeline soon.Quick-connection pipeline one end is the first quick union 3, the first quick union 3 drills
And weld the first gas valve 4;Quick-connection pipeline interlude is elastic hose 9, and the quick-connection pipeline other end is the second quick union 5,
Second quick union 5 drills and welds the second gas valve 6.
The invention will be further described by the following examples.
A kind of oxidizable inflammable and explosive powder of the present embodiment is canned to use quick-connection pipeline structure and application method, is sprayed in blast furnace
The coal dust storage bin 1 of coal measures system carries out the canned envelope of coal dust to the coal dust holding vessel 2 of electric furnace/converter coal injection system and transports.Coal dust storing
The level height in storehouse 1 is higher than coal dust holding vessel 2, and coal dust holding vessel 2 is positioned on platform scale to weigh weight.
Two quick unions 3 and quick union 5 of quick-connection pipeline, powder conveying pipeline internal diameter 15cm, in quick-connection pipeline
Between section be caoutchouc elasticity hose, quick-connection pipeline overall length 3m.The long 4cm of the external screw thread of quick union 3 and quick union 5, arc sealing
Convex surface spherical radius 12cm, fastening strip long 5cm, width 1cm, height 1cm (symmetrical, to amount to 2).4 He of gas valve
Gas valve 6 welds for manual ball valve, and internal diameter is 2cm.
Coal dust storage bin 1 be welded with connect soon bayonet 7 (coal dust storage bin 1 and connect soon between bayonet have powder valve), coal dust
Be welded with holding vessel 2 connect soon bayonet 8 (coal dust storage tank 2 and connect soon between bayonet have powder valve), connect bayonet 7 soon and connect soon
Bayonet 8 has internal thread length 4cm, arc sealing concave spherical radius 12cm, fastener tooth height 2cm, width 1cm, space width
1cm。
Quick union 3, quick union 5 are connect into connecing soon for bayonet 7 and coal dust holding vessel 2 soon with coal dust storage bin 1 respectively
When bayonet 8 tightens connection, 120 degree of rotation reaches the effect (rubber ring is padded between cambered surface) that two cambered surfaces compress, fastening strip jail
Solid be stuck in fastener between cog.
Gas valve 4 is connected into drying nitrogen (technical purity), opens gas valve 4 and gas valve 6 by quick-connection pipeline
Full of (inflation >=2min) after inert gas, gas valve 4 and gas valve 6 are closed.
Weight (record weight amount a), opening coal dust storage bin 1 and the coal dust of coal dust holding vessel 2 on platform scale are weighed at this time
The powder valve of holding vessel 2, it is canned to start powder.
When platform scale weight increases to certain numerical value, reaches required powder weight, that is, represent canned and finish.First close coal dust
Storage bin 1, manually beats vibrations quick-connection pipeline reduction residual powder and (records weight amount b at this time, the canned powder weight of institute is
The difference of two values), the rear powder valve for closing coal dust holding vessel 2, lays down quick-connection pipeline both ends quick union 3 and quick union
5, it is canned to complete oxidizable inflammable and explosive powder.
Claims (6)
1. a kind of oxidizable inflammable and explosive powder is canned to use quick access device, it is characterised in that including:Closed storage bin (1), connect soon
Bayonet, closed storage tank (2), quick-connection pipeline;Quick-connection pipeline includes quick union, elastic hose (9), gas valve;
Closed storage bin (1) bottom is welded with first and connects bayonet (7) soon, and be welded with second at the top of closed storage tank (2) connects card soon
Mouth (8), this two connect bayonet and are connected by quick-connection pipeline soon;Quick-connection pipeline one end is the first quick union (3), the first quick union
(3) drill and weld the first gas valve (4);Quick-connection pipeline interlude is elastic hose (9), and the quick-connection pipeline other end is second
Quick union (5), the second quick union (5) drilling simultaneously weld the second gas valve (6).
2. canned quick access device is used according to claim 1, it is characterised in that the first quick union (3), second connect soon
Head (5) is formed by arc sealing convex surface (10), external screw thread (11), fastening strip (12), tube wall (13), arc sealing convex surface
(10), external screw thread (11), tube wall (13) are process on same circular rod iron, and fastening strip (12) is welded on outside circular rod iron
Wall.
3. canned quick access device is used according to claim 2, it is characterised in that fastening strip (12) is by strip (14), axis
Block (15), spring (16) composition;Axis block (15) is welded on quick union, and strip (14) is with axis block (15) with axis connection, spring
(16) it is welded on strip (14), strip (14) is rotated around axis block (15) and declined in spring (16) one end during pressing.
4. canned quick access device is used according to claim 1, it is characterised in that first connects bayonet (7), second connects card soon soon
Mouth (8) is formed by arc sealing concave (17), internal thread (18), fastening latch (19), tube wall (13);Arc sealing concave
(17), internal thread (18), tube wall (13) are process on another same circular rod iron, internal thread (18) and external screw thread (11)
Matching, fastening latch (19) are welded on circular rod iron outer wall after being processed into by thickness 5mm~10mm steel discs.
5. canned quick access device is used according to claim 1, it is characterised in that quick union is tightened with connecing bayonet soon and is connected
When, strip (14) is extend between fastening latch (19), when rotating quick union strip (14) on fastening latch (19) by tooth
Occlusion fastening, possesses rotation angle and is sealably coupled quick-connection pipeline and closed storage bin (1) and closed storing no more than 360 degree
The function of tank (2);Radial compression power is provided by screw thread, is compressed by arc sealing surface and ensures air-tightness, by fastening strip
(12) and fastening latch (19) ensures to be connected firmly not falling off;
Inert gas evacuation of air is injected into quick-connection pipeline by gas valve, protect powder not with air contact;Elasticity is soft
Pipe (9), quick union, connect bayonet soon powder conveying pipeline diameter it is identical, so that powder flowing is unobstructed.
A kind of 6. oxidizable canned user with quick access device of inflammable and explosive powder described in claim 1-5 any one
Method, it is characterised in that the first quick union (3) of quick-connection pipeline is connected to the first of closed storage bin (1) and connects bayonet soon
(7), the second quick union (5) is connected to the second of closed storage tank (2) and connects bayonet (8) soon;By the first gas valve (4) even
Inert gas source is connect, after quick-connection pipeline structure is full of inert gas by the first gas valve of opening (4) and the second gas valve (6),
The first gas valve (4) and the second gas valve (6) are closed, ensures the quick canning process safety of oxidizable inflammable and explosive powder
Property;
The powder valve of closed storage bin (1) and closed storage tank (2) is opened, it is canned to start powder;
After canned, closed storage bin (1) is first closed, vibrations quick-connection pipeline is manually beaten and reduces residual powder, close afterwards close
The powder valve of storage tank (2) is closed, lays down the first quick union of quick-connection pipeline both ends (3) and the second quick union (5), is completed easy
It is canned to aoxidize inflammable and explosive powder.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711279892.3A CN108001716B (en) | 2017-12-06 | 2017-12-06 | Quick connection device for canning easily-oxidized, combustible and explosive powder and use method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711279892.3A CN108001716B (en) | 2017-12-06 | 2017-12-06 | Quick connection device for canning easily-oxidized, combustible and explosive powder and use method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108001716A true CN108001716A (en) | 2018-05-08 |
CN108001716B CN108001716B (en) | 2020-11-13 |
Family
ID=62057113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711279892.3A Active CN108001716B (en) | 2017-12-06 | 2017-12-06 | Quick connection device for canning easily-oxidized, combustible and explosive powder and use method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108001716B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111111542A (en) * | 2019-12-27 | 2020-05-08 | 宁波同兢自动化科技有限公司 | A material loading structure that is used for high-purity electronic grade chemistry blending device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2605449Y (en) * | 2002-02-09 | 2004-03-03 | 袁培林 | Quick-action joint |
CN101813510A (en) * | 2010-04-06 | 2010-08-25 | 江西金力永磁科技有限公司 | Automatic weighing and dispensing system for preparing sintered neodymium-iron-boron powder |
CN202195209U (en) * | 2011-07-29 | 2012-04-18 | 浙江永德信铜业有限公司 | Quick connection structure |
CN103383029A (en) * | 2013-06-26 | 2013-11-06 | 洛阳凯诺知识产权咨询服务有限公司 | Pipeline connects device soon |
WO2015119509A1 (en) * | 2014-02-07 | 2015-08-13 | Kvik Con As | Connector for riser and lubricator |
-
2017
- 2017-12-06 CN CN201711279892.3A patent/CN108001716B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2605449Y (en) * | 2002-02-09 | 2004-03-03 | 袁培林 | Quick-action joint |
CN101813510A (en) * | 2010-04-06 | 2010-08-25 | 江西金力永磁科技有限公司 | Automatic weighing and dispensing system for preparing sintered neodymium-iron-boron powder |
CN202195209U (en) * | 2011-07-29 | 2012-04-18 | 浙江永德信铜业有限公司 | Quick connection structure |
CN103383029A (en) * | 2013-06-26 | 2013-11-06 | 洛阳凯诺知识产权咨询服务有限公司 | Pipeline connects device soon |
WO2015119509A1 (en) * | 2014-02-07 | 2015-08-13 | Kvik Con As | Connector for riser and lubricator |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111111542A (en) * | 2019-12-27 | 2020-05-08 | 宁波同兢自动化科技有限公司 | A material loading structure that is used for high-purity electronic grade chemistry blending device |
CN111111542B (en) * | 2019-12-27 | 2021-12-28 | 宁波同兢自动化科技有限公司 | A material loading structure that is used for high-purity electronic grade chemistry blending device |
Also Published As
Publication number | Publication date |
---|---|
CN108001716B (en) | 2020-11-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104565806B (en) | Small-sized Marine LNG charging method | |
CN108775406A (en) | High-performance nano coating corrugated tube valve special for chlorine | |
CN108001716A (en) | A kind of oxidizable inflammable and explosive powder is canned to use quick access device and application method | |
CN206439630U (en) | A kind of angle valve leak stoppage device of liquefied petroleum gas steel cylinder | |
CN107906219A (en) | A kind of safety-type quick-connecting valve of groove tank car | |
CN204964103U (en) | A transition interface arrangement that is used for storage tank vacuum to detect and bleed | |
CN201314450Y (en) | Liquid-chlorine transportation filling-pipe assembly | |
CN217763052U (en) | Can be applied to cracked plugging device in high pressure storage tank arc position | |
CN201606621U (en) | Leaking stoppage device of gas pipeline | |
CN214653606U (en) | Quick joint for low-temperature dangerous chemical fluid loading and unloading | |
CN209245692U (en) | Filling liquid mechanism for carbon dioxide mobile workstation | |
CN212319401U (en) | Automatic loading and unloading device based on low-temperature skid-mounted device | |
CN217714547U (en) | Leak protection gas type liquefied gas steel cylinder control flap | |
CN201141489Y (en) | Butt joint structure of vacuum tube | |
CN209553974U (en) | Gas, which unloads, dumps dual-purpose tank container | |
CN2462212Y (en) | Leakage proof hoop | |
CN209385177U (en) | A kind of external jet pipe filling pulp making device | |
CN206362418U (en) | Residual liquid level sensor low temperature pressure-bearing test fixture | |
CN111637361A (en) | An automatic loading and unloading device based on low temperature skid | |
CN2260949Y (en) | Device for safely dismounting valve of cylinder in danger | |
CN206723837U (en) | A kind of high-pressure gas storage well residual air recovery system | |
CN2451838Y (en) | Low-temperature high-pressure ball valve | |
CN214171622U (en) | Connecting device for air nozzle primary air coal pipe of continuous fuming furnace | |
CN217577390U (en) | Storage device that packs were absorb | |
CN202967566U (en) | Fluidizing transporter |
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 | ||
GR01 | Patent grant | ||
GR01 | Patent grant |