CN206082877U - Automatic telescopic pneumatics helps a class nozzle - Google Patents

Automatic telescopic pneumatics helps a class nozzle Download PDF

Info

Publication number
CN206082877U
CN206082877U CN201621081614.8U CN201621081614U CN206082877U CN 206082877 U CN206082877 U CN 206082877U CN 201621081614 U CN201621081614 U CN 201621081614U CN 206082877 U CN206082877 U CN 206082877U
Authority
CN
China
Prior art keywords
nozzle
spring
nozzle body
flange
fixed station
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201621081614.8U
Other languages
Chinese (zh)
Inventor
刘锡水
汤复俊
王鸣
王一鸣
李轶山
陶伟伟
吴凡
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.)
MAANSHAN TIANGONG TECHNOLOGY Co Ltd
Original Assignee
MAANSHAN TIANGONG TECHNOLOGY Co Ltd
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 MAANSHAN TIANGONG TECHNOLOGY Co Ltd filed Critical MAANSHAN TIANGONG TECHNOLOGY Co Ltd
Priority to CN201621081614.8U priority Critical patent/CN206082877U/en
Application granted granted Critical
Publication of CN206082877U publication Critical patent/CN206082877U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Nozzles (AREA)

Abstract

The utility model discloses an automatic telescopic pneumatics helps a class nozzle belongs to the clear stifled technical field of powdered material. Should help a class nozzle to include nozzle body, nozzle, compression spring, hou gai, back flange, countersunk screw, silencer and preceding flange. It helps stream to stretch into the feed bin voluntarily when helping the rascally behaviour body to spout the feed bin in the twinkling of an eye helping stream should to help class nozzle, follows the interior withdrawal of feed bin after stopping the supple of gas or steam again voluntarily to significantly reduced time of nozzle material contact in with the storehouse, reduced the wearing and tearing of nozzle, also eliminated the nozzle simultaneously and hindered the material whereabouts. The utility model has the characteristics of the following technique that is showing: the nozzle wearing and tearing reduce, the extension of nozzle life, eliminated the influence of nozzle resistance when the interior buggy of coal bunker falls, made the buggy whereabouts more smooth and easy, the probability that the buggy got into the nozzle reduces, and the probability that makes the nozzle block up reduces.

Description

Automatic telescopic Pneumatic auxiliary flow nozzle
Technical field:
This utility model belongs to powder material block clearing technical field, and in particular to a kind of pneumatic fluidizer spray of automatic telescopic Mouth.
Background technology:
Various granular material feed bins are affected when material is discharged by various factors, and Jing often occurs blocking scaffold.Pneumatic auxiliary Stream method is to process the preferable method of feed bin blocking scaffold, and it is pneumatic fluidizer spray that pneumatic fluidizer method removes the key technology of feed bin blocking Mouth.In existing feed bin block clearing equipment, such as patent CN204508110U cyclone type thermal power plant coal bunker block clearing equipment and CN203877257U square cone-shaped metal feed bin block clearing equipment, belongs to pneumatic fluidizer block clearing method, and the fluidizer nozzle used by it is all deposited There is following weak point:Nozzle all stretches into feed bin inwall, hinders material to fall;Nozzle-end is tight with the abrasion of material Long Term Contact Weight;All the time in feed bin, in not jet, the material in feed bin is easily entered in nozzle and in fluidizer pipe jet hole, and is produced and helped Circulation road is blocked.
The content of the invention:
This utility model is for deficiencies of the prior art part, there is provided a kind of pneumatic fluidizer spray of automatic telescopic Mouth.A kind of automatic telescopic Pneumatic auxiliary flow nozzle fluidizer nozzle provided by the utility model includes nozzle body 1, nozzle 2, pressure Contracting spring 3, bonnet 4, rear flange 5, counter-sunk screw 7, acoustic filter 8 and forward flange 10.
The front bottom of the nozzle body 1 is provided with the first spring fixed hole 1-1, and the first spring fixed hole 1-1 is used for solid One end steel wire of the fixed compression spring 3, prevents nozzle body 1 from rotating, and the left side of the compression spring 3 is fixed on nozzle body bottom On the 1-2 of end, the nozzle body 1 is provided with guiding inwall 1-3 and is oriented to outer wall 1-4;The nozzle body 1 is provided with the first fixed station 1-5 and stroke positioning table 1-7, the stroke positioning table 1-7 are used to position the axial movement position of the nozzle 2.
By the guiding inwall 1-3 as spigot surface, the forward flange 10 is sleeved on the guiding outer wall 1- to the nozzle 2 On 4, the forward flange 10 presses to front sealing gasket 9 and presses to the first fixed station 1-5 again;Spiracle 1-6 is located at the nozzle body bottom On nozzle body tube wall between 1-2 and stroke positioning table 1-7, spiracle 1-6 is screwed hole, and the acoustic filter 8 passes through institute State spiracle 1-6 to be connected with the nozzle 2.
The nozzle 2 include jet stem 2-1 and piston 2-2, the jet stem 2-1 be provided with passage 2-5 it is hollow not Rust steel pipe, the jet stem 2-1 and piston 2-2 is connect by being weldingly connected, and in the right flank of the piston 2-2 second is provided with Spring fixed hole 2-3, the second spring fixing hole 2-3 are used to fix the right-hand member steel wire of the compression spring 3, for preventing spray The rotation of mouth 2, the nozzle 2 is provided with stroke locating surface 2-4, and the right side of the compression spring 3 is pressed in the stroke positioning On the 2-4 of face, the left end side of the passage 2-5 is provided with puff prot 2-6, and the top of the passage 2-5 is provided with end socket 2.7.
The bonnet 4 is connected by the second connection screw thread 4-1 and the first connection screw thread 1-8 with the nozzle body 1, and described the One connection screw thread 1-8 is arranged on the nozzle body 1, and the second connection screw thread 4-1 is arranged on the bonnet 4;After described The second fixed station 4-2 on lid 4 is connected with the 3rd fixed station 5-2 on the rear flange 5, for positioning the rear flange 5, Sealing station 4-3 on the bonnet 4 is coupled by sealing gasket with fluidizer pipe, and the bonnet 4 is provided with air inlet 4-4, it is described enter The aperture of pore 4-4 is greater than the aperture of the passage 2-5.
The first screwed hole 5-1 on the rear flange 5 is used to be connected with fluidizer pipeline, and the counter-sunk screw 7 passes through flake Nest 5-3 connects the forward flange 10 and rear flange 5, and the nozzle body 1 is clamped between the forward flange 10 and rear flange 5.
The second screwed hole 10-1 on forward flange 10 is used to be connected with the counter-sunk screw 7, and the 4th on forward flange 10 consolidates Determine platform 10-2 to be connected with the first fixed station 1-5 on the nozzle body 1, the 4th fixed station 10-2 is solid with described first Sealing gasket 9 before determining to be clamped between platform 1-5;The forward flange 10 is provided with pilot hole 10-3, and the guiding outer wall 1-4 is by pilot hole 10-3 is passed through;The forward flange 10 is welded on feed bin outer wall.
Nozzle provided by the utility model fluidizer moment (0.5-2 seconds) with fluidizer gas spray into feed bin while from It is dynamic to stretch into feed bin and carry out fluidizer, retract from feed bin automatically again after stopping the supple of gas or steam, such nozzle be at jet moment in storehouse position Put, remaining time, be in storehouse external position, so as to greatly reduce time of the nozzle with material contact in storehouse, reduce nozzle Abrasion, while also eliminate nozzle hinder material fall.When nozzle is retracted into original place from storehouse, puff prot is enclosed again, prevent Only material enters nozzle in storehouse, solves a difficult problem for feed blocking nozzle and pipeline.
The power source of this utility model nozzle retraction is using the fluidizer gas power of itself.When fluidizer gas flows through nozzle When drive extension jet nozzle move to feed bin internal direction.Make nozzle head enter the depth of feed bin setting position, spray into feed bin Gases at high pressure carry out fluidizer block clearing, while nozzle travels forward, return original position when compression spring is died for nozzle automatically When energy reserve.This utility model can regard in structure the single-acting spring reset cylinder of a deformation, piston when dying as Bar withdraws, and with preventing the device of piston rod rotation;Make with piston from piston rod of the present utility model unlike cylinder Integrally, centre is provided with gas passage, and piston and piston rod position do not have sealing member, and entirely by clearance seal, gas is entered from afterbody, By the pressure differential compression spring that the difference of piston and diameter of piston rod is produced, during work, operating pressure can not be less than design pressure (the design pressure can not be less than 0.3MPa).This utility model nozzle body is welded by stainless steel tube, and its nozzle body is anterior Used as the fairlead (equivalent to cylinder head) of extension jet nozzle, the same flange of its external diameter is set with (equivalent to forward flange support), is passed through Counter-sunk screw is linked together with rear flange, i.e., before and after flange sandwich nozzle body, forward flange is welded on bin wall, rear flange Connected with fluidizer pipeline by screw.
Bonnet is provided with nozzle body rear portion, is connected with nozzle body by screw thread.In nozzle body built with compression spring, compression Spring is sleeved on nozzle, and the front end of spring is fixed with nozzle body, and the rear end of spring is fixed with nozzle rear end, its objective is to prevent Nozzle is rotated in nozzle body, constant to guarantee the puff prot injection direction on nozzle.After the inner surface and nozzle of nozzle body Portion is provided with stroke positioning table, for positioning the position that nozzle stretches out.Nozzle body prevents material with front sealing gasket is provided with the middle of forward flange Storehouse materials inside draws off.In nozzle body with sealing gasket after being provided between bonnet, for sealing fluidizer gas leak and preventing nozzle Impact is produced when returning under spring force, for damping.Be provided with spiracle in the spring cavity of nozzle body, nozzle advance or Air is discharged or sucked during retrogressing.To prevent from producing noise during aerofluxuss, dust is sucked during air-breathing, equipped with noise elimination in spiracle Device.
This utility model is used on the coal bunker block clearing equipment of Chinese patent CN204508110U cyclone types thermal power plant, And have been obtained for following notable technique effect:
1st, nozzle wear reduces, and nozzle service life extends.
2nd, the impact of nozzle resistance is eliminated when the coal dust in coal bunker falls, makes coal dust fall more smooth.
3rd, coal dust enters the probability reduction of nozzle, and the probability for making spray nozzle clogging reduces.
Description of the drawings:
Fig. 1:This utility model structural representation;
Fig. 2:The structural representation of nozzle body in this utility model;
Fig. 3:Nozzle arrangements schematic diagram in this utility model;
Fig. 4:Compression spring structural representation in this utility model;
Fig. 5:Rear cover structure schematic diagram in this utility model;
Fig. 6:Rear flange B-B cross section structure diagrams in this utility model;
Fig. 7:Rear flange A in this utility model is to structural representation;
Fig. 8:Forward flange structural representation in this utility model;
Fig. 9:Forward flange C in this utility model is to structural representation.
In figure:1:Nozzle body;2:Nozzle;3:Compression spring;4:Bonnet;5:Rear flange;6:Sealing gasket afterwards;7:Immerse oneself in spiral shell Nail;8:Acoustic filter;9:Front sealing gasket;10:Forward flange;1-1:First spring fixed hole;1-2:Nozzle body bottom;1-3:In being oriented to Wall;1-4:It is oriented to outer wall;1-5:First fixed station;1-6:Spiracle;1-7:Stroke positioning table;1-8:First connection screw thread;2- 1:Jet stem;2-2:Piston;2-3:Second spring fixing hole;2-4:Stroke locating surface;2-5:Passage;2-6:Puff prot; 2.7:End socket;3-1:First spring fixed claw;3-2:Second spring fixed claw;4-1:Second connection screw thread;4-2:Second fixes Platform;4-3:Sealing station;4-4:Air inlet;5-1:First screwed hole;5-2:3rd fixed station;5-3:Fish eye socket;10-1:Second spiral shell Pit;10-2:4th fixed station;10-3:Pilot hole.
Specific embodiment:
Below in conjunction with the accompanying drawings and example is described in further details to this utility model:
As shown in Figure 1, this stretches a kind of structure of automatic telescopic Pneumatic auxiliary flow nozzle provided by the utility model automatically Contracting formula Pneumatic auxiliary flow nozzle include nozzle body 1, nozzle 2, compression spring 3, bonnet 4, rear flange 5, counter-sunk screw 7, acoustic filter 8 and Forward flange 10.
Nozzle body 1, as shown in Figure 2, is welded by stainless steel tube, and 1 front bottom is provided with the first bullet in nozzle body Spring fixing hole 1-1, this hole is used for fixing one end steel wire of compression spring 3, prevents nozzle body 1 from rotating, the left side of compression spring 3 It is fixed on the 1-2 of nozzle body bottom.
By guiding inwall 1-3 as spigot surface, forward flange 10 is sleeved on guiding outer wall 1-4 nozzle 2, and presses to front sealing 9, then the first fixed station 1-5 is pressed to, spiracle 1-6 is screwed hole, and acoustic filter 8 is fixed together by this screwed hole with nozzle 2. Nozzle body 1 is provided with stroke positioning table 1-7 for positioning the axial movement position of nozzle 2.
As shown in Figure 3, nozzle 2 is welded the structure of nozzle 2 by stainless steel tube;Nozzle 2 includes jet stem 2-1 and piston 2- 2;Jet stem 2-1 is the hollow stainless steel tube for being provided with passage 2-5, and jet stem 2-1 welds together with piston 2-2, in piston The right flank of 2-2 is provided with second spring fixing hole 2-3, for fixing the right-hand member steel wire of compression spring 3, prevents nozzle 2 from rotating, pressure The right side of contracting spring 3 is pressed on stroke locating surface 2-4, and the left end side of passage 2-5 is provided with puff prot 2-6, passage 2-5 Top be provided with end socket 2.7.
As shown in Figure 4, it is made up compression spring 3 compression spring 3 of stainless steel spring silk, the left end spring of compression spring 3 Silk head makes the first spring fixed claw 3-1, and the right-hand member spring wire head of compression spring 3 makes second spring fixed claw 3-2.
As shown in Figure 5, bonnet 4 is stainless steelwork to bonnet 4, and bonnet 4 is by the second connection screw thread 4-1 and the first connection spiral shell Stricture of vagina 1-8 is connected with nozzle body 1, and the first connection screw thread 1-8 is arranged on nozzle body 1, and the second connection screw thread 4-1 is arranged on bonnet 4 On;The second fixed station 4-2 on bonnet 4 is connected with the 3rd fixed station 5-2 on rear flange 5, for positioning rear flange 5, after Sealing station 4-3 on lid 4 is coupled by sealing gasket with fluidizer pipe, and bonnet 4 is provided with air inlet 4-4, and the aperture of air inlet 4-4 will More than the aperture of passage 2-5.
As shown in Figure 6, the first screwed hole 5-1 on rear flange 5 is used to be connected with fluidizer pipeline rear flange 5, positioned at rear method The 3rd fixed station 5-2 on blue 5 is connected with the second fixed station 4-2 on bonnet 4, for fixing and positioning rear flange 5, immerses oneself in Screw 7 connects forward flange 10 and rear flange 5 by fish eye socket 5-3, and nozzle body 1 is clamped between forward flange 10 and rear flange 5.
As shown in Figure 8, forward flange 10 is welded on feed bin outer wall forward flange 10, the second screwed hole 10-1 on forward flange 10 For being connected with counter-sunk screw 7, the 4th fixed station 10-2 on forward flange 10 is connected with the first fixed station 1-5 on nozzle body 1, Sealing gasket 9 before clamping between 4th fixed station 10-2 and the first fixed station 1-5;Forward flange 10 is provided with pilot hole 10-3, is oriented to Outer wall 1-4 is passed through by pilot hole 10-3.

Claims (2)

1. automatic telescopic Pneumatic auxiliary flow nozzle, it is characterised in that the fluidizer nozzle includes nozzle body (1), nozzle (2), compression bullet Spring (3), bonnet (4), rear flange (5), counter-sunk screw (7), acoustic filter (8) and forward flange (10);The front bottom of the nozzle body (1) Portion is provided with the first spring fixed hole (1-1), and first spring fixed hole (1-1) is used to fix the one of the compression spring (3) End steel wire, prevents the nozzle body (1) from rotating, and the left side of the compression spring (3) is fixed on nozzle body bottom (1-2), The nozzle body (1) is provided with guiding inwall (1-3) and is oriented to outer wall (1-4);The nozzle body (1) is provided with the first fixed station (1-5) and stroke positioning table (1-7), the stroke positioning table (1-7) is used to position the axial movement position of the nozzle (2); By guiding inwall (1-3) as spigot surface, the forward flange (10) is sleeved on the guiding outer wall (1- to the nozzle (2) 4) on, the forward flange (10) presses to front sealing gasket (9) and presses to first fixed station (1-5) again;Spiracle (1-6) is located at institute State on the nozzle body tube wall between nozzle body bottom (1-2) and the stroke positioning table (1-7), the spiracle (1-6) is spiral shell Pit, the acoustic filter (8) is connected by the spiracle (1-6) with the nozzle (2);The nozzle (2) is including jet stem (2-1) and piston (2-2), the jet stem (2-1) is the hollow stainless steel tube for being provided with passage (2-5), the jet stem (2- 1) connect by being weldingly connected with the piston (2-2), in the right flank of the piston (2-2) second spring fixing hole (2- is provided with 3), the second spring fixing hole (2-3) is used to fix the right-hand member steel wire of the compression spring (3), for preventing the nozzle (2) rotation, the nozzle (2) is provided with stroke locating surface (2-4), and the right side of the compression spring (3) is pressed in the row On journey locating surface (2-4), the left end side of the passage (2-5) is provided with puff prot (2-6), the top of the passage (2-5) End is provided with end socket (2.7);The bonnet (4) is by the second connection screw thread (4-1) and the first connection screw thread (1-8) and the nozzle Body (1) is connected, and first connection screw thread (1-8) is arranged on the nozzle body (1), and second connection screw thread (4-1) sets Put and cover on (4) in the rear, the second fixed station (4-2) on the bonnet (4) is with the 3rd fixed station on the rear flange (5) (5-2) it is connected, for positioning the rear flange (5), the sealing station (4-3) on the bonnet (4) passes through the same fluidizer of sealing gasket Pipe couples, and the bonnet (4) is provided with air inlet (4-4), and the aperture of the air inlet (4-4) is greater than the passage (2- 5) aperture;The first screwed hole (5-1) on the rear flange (5) is used to be connected with fluidizer pipeline, and the counter-sunk screw (7) is led to Cross fish eye socket (5-3) and connect the forward flange (10) and rear flange (5), the nozzle body (1) is clamped in the forward flange (10) between the rear flange (5);The second screwed hole (10-1) on the forward flange (10) is used for and the counter-sunk screw (7) it is connected, the 4th fixed station (10-2) on the forward flange (10) is with first fixed station on the nozzle body (1) (1-5) it is connected, the front sealing gasket (9) is clamped between the 4th fixed station (10-2) and first fixed station (1-5);Institute State forward flange (10) and be provided with pilot hole (10-3), guiding outer wall (1-4) is passed through by the pilot hole (10-3);Before described Flange (10) is welded on feed bin outer wall.
2. automatic telescopic Pneumatic auxiliary flow nozzle according to claim 1, it is characterised in that the compression spring (3) is by stainless Steel spring silk is made, and the left end spring wire head of the compression spring (3) makes the first spring fixed claw (3-1), the compression bullet Spring (3) right-hand member spring wire head makes second spring fixed claw (3-2).
CN201621081614.8U 2016-09-27 2016-09-27 Automatic telescopic pneumatics helps a class nozzle Active CN206082877U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621081614.8U CN206082877U (en) 2016-09-27 2016-09-27 Automatic telescopic pneumatics helps a class nozzle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621081614.8U CN206082877U (en) 2016-09-27 2016-09-27 Automatic telescopic pneumatics helps a class nozzle

Publications (1)

Publication Number Publication Date
CN206082877U true CN206082877U (en) 2017-04-12

Family

ID=58479775

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621081614.8U Active CN206082877U (en) 2016-09-27 2016-09-27 Automatic telescopic pneumatics helps a class nozzle

Country Status (1)

Country Link
CN (1) CN206082877U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106829229A (en) * 2017-04-18 2017-06-13 马鞍山市天工科技股份有限公司 Integrated module type double-curve coal hopper block clearing equipment and application method
CN107054912A (en) * 2017-04-18 2017-08-18 马鞍山市天工科技股份有限公司 Integrated module type dropping coal tube blockage-clearing device
CN107413539A (en) * 2017-09-18 2017-12-01 马鞍山市天工科技股份有限公司 Automatic telescopic nozzle with feedback function
CN107472728A (en) * 2017-09-18 2017-12-15 马鞍山市天工科技股份有限公司 Pneumatic auxiliary stream non-fouling nozzle
CN112264206A (en) * 2020-09-30 2021-01-26 广西玉柴机器股份有限公司 Automatic telescopic high-pressure spray head
CN114470817A (en) * 2022-01-11 2022-05-13 长江师范学院 Spray drying process and device for biomass polymer adsorption material
CN114571280A (en) * 2022-02-28 2022-06-03 衢州学院 High-temperature sputtering prevention protection device for numerical control machine tool and use method thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106829229A (en) * 2017-04-18 2017-06-13 马鞍山市天工科技股份有限公司 Integrated module type double-curve coal hopper block clearing equipment and application method
CN107054912A (en) * 2017-04-18 2017-08-18 马鞍山市天工科技股份有限公司 Integrated module type dropping coal tube blockage-clearing device
CN107413539A (en) * 2017-09-18 2017-12-01 马鞍山市天工科技股份有限公司 Automatic telescopic nozzle with feedback function
CN107472728A (en) * 2017-09-18 2017-12-15 马鞍山市天工科技股份有限公司 Pneumatic auxiliary stream non-fouling nozzle
CN107472728B (en) * 2017-09-18 2023-04-07 马鞍山市天工科技股份有限公司 Pneumatic flow-assistant anti-blocking nozzle
CN112264206A (en) * 2020-09-30 2021-01-26 广西玉柴机器股份有限公司 Automatic telescopic high-pressure spray head
CN114470817A (en) * 2022-01-11 2022-05-13 长江师范学院 Spray drying process and device for biomass polymer adsorption material
CN114571280A (en) * 2022-02-28 2022-06-03 衢州学院 High-temperature sputtering prevention protection device for numerical control machine tool and use method thereof

Similar Documents

Publication Publication Date Title
CN206082877U (en) Automatic telescopic pneumatics helps a class nozzle
CN201015863Y (en) Hydraulic hammer
CN208679484U (en) A kind of dual-purpose mud making spray nozzle in vertical sand warehouse high pressure geomantic omen
CN107413539A (en) Automatic telescopic nozzle with feedback function
CN206917626U (en) Take out type gas prevention and gush out drilling hole dust collector device
CN103851028B (en) Large-scale blast wave simulator buffering recuperator means
CN101122236A (en) Gas-coal separation equipment applied to outburst coal seam safety drilling blowout prevention system
CN102671977A (en) Steam-free passing water cooler
CN202149174U (en) Oil gas adjustable damping device capable of automatically resetting
CN208591555U (en) A kind of device for solid beverage spray drying
CN101531277B (en) Submerged diaphragm type air cannon
CN205534804U (en) Buffer on soy sauce pipeline and buffering water hammer's buffer system
CN207188034U (en) Automatic telescopic nozzle with feedback function
CN205064439U (en) Single effect piston cylinder with inside backward flow function
CN205824357U (en) A kind of water shock absorber of band buffer structure
CN206996808U (en) A kind of bevel-type flapper and coal pulverizer
CN205850362U (en) A kind of Novel solid-liquid separating machine filter cylinder
CN207195342U (en) Accumulator controls fuel tap
CN201155741Y (en) Thermal steam boiler low noise discharging displacement-enlarging device
CN206445702U (en) A kind of dustless sand-blasting machine sand-spraying pot
CN201711869U (en) Sandblasting barrel
CN205516961U (en) Jetting pipe on pulse bag hose structure for production carbon black
CN105422542B (en) A kind of double-deck material returned cylinder
CN208702996U (en) The Self-resetting damping cylinder stopped suitable for high speed
CN207254569U (en) Cyclone dust collector of shot blasting machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant