CN101279172A - Air tightness rotating backblowing device for cloth bag dust remover - Google Patents
Air tightness rotating backblowing device for cloth bag dust remover Download PDFInfo
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- CN101279172A CN101279172A CNA2008100558493A CN200810055849A CN101279172A CN 101279172 A CN101279172 A CN 101279172A CN A2008100558493 A CNA2008100558493 A CN A2008100558493A CN 200810055849 A CN200810055849 A CN 200810055849A CN 101279172 A CN101279172 A CN 101279172A
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- cloth bag
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Abstract
The invention provides an air-impermeable reverse blowing device used in a bag-type dust collector, comprising a revolving shaft, a reverse blowing case body, a jetting pipe joint and a bracket, wherein, the structure of the revolving shaft is hollow and a stay cable is arranged in the revolving shaft; the upper end of the stay cable is fixedly connected with a piston rod of a cylinder which is arranged on the upper part of the reverse blowing case body and the lower end of the stay cable crosses horizontally from the lower part of the revolving shaft and is connected with a sliding rod on a base plate; the other end of the sliding rod is connected with an intermediate plate; two sides of the intermediate plate respectively get around a guidepost by the stay cable and are symmetrically and fixedly connected with stretching ends of spring shafts arranged in two spring sleeves; the two spring sleeves are respectively arranged and fixed symmetrically on the outer wall of a cylinder which is horizontally connected with the lower part of the jetting pipe joint; small springs are sheathed on the spring shaft and a butt-joint jetting muzzle with a horn mouth is movably sheathed outside the cylinder; the butt-joint jetting muzzle slides along the guidepost fixed on the cylinder and is fixedly connected with the stretching end of the spring shaft; the base plate is fixedly connected with the lower part of the revolving shaft. The device has the advantages of simple structure, flexible regulation, reliable sealing performance and low maintenance cost.
Description
Technical field
The present invention relates to a kind of rotary counter-blowing wind apparatus, is the rotary counter-blowing wind apparatus with good seal performance that is used for sack cleaner specifically, belongs to and separate the dispersed granules technical field from gas.
Background technology
Sack cleaner comprises the rotary counter-blowing wind apparatus and the locellus deduster casing 28 etc. of cloth bag is housed, wherein the rotary counter-blowing wind apparatus comprises blowback wind box 2 and the perpendicular type winding-up pipe joint 3 that is provided with air inlet 1, fixedly connected with the bottom of blowback wind box 2 by rotatable parts 4 in the top of pipe joint 3, the central vertical of blowback wind box 2 and perpendicular type winding-up pipe joint 3 rotating shaft 5 is housed, the intermittent-rotation mechanism 6 on blowback wind box 2 upper surfaces is passed in rotating shaft 5 upper ends, intermittent-rotation mechanism 6 fixedlys connected with blowback wind box 2 upper surfaces, the bottom of rotating shaft 5 is with after pipe joint 3 is fixedlyed connected, its lower ends downward is stretched out by bearing and support 7 and is rotationally connected, support 7 is fixedlyed connected with whole system, as Fig. 1, shown in Figure 2.
The rotary counter-blowing sack cleaner of dispersed granules such as dirt separation is widely used in the large-scale environmental protection dust separation system of multiple industries such as metallurgy, building materials, mine and chemical industry from gas.At present, generally in the rotary counter-blowing sack cleaner of Shi Yonging, no matter be that the ubiquitous problem of home or overseas is exactly the air leak rate of air curtain height, make the jetting pressure instability, deashing property is poor, its main cause is a poor sealing performance between the locellus box body wall of butt joint winding-up mouthful and deduster, this is in order to satisfy the needs of inverse blowing device revolution location, make between winding-up mouth and the box body wall and also leave certain clearance, as shown in Figure 3, Figure 4, obviously cause leaking out, reduced the jetting pressure and the winding-up effect of blowback wind; Because the gas of missing is sneaked in the air-out air-flow, cause the pressure imbalance of system simultaneously, jetting pressure is also uneven.For cloth bag, stable jetting pressure helps improving the service life of cloth bag.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of rational in infrastructure, good seal performance, the air tightness rotating backblowing device for cloth bag dust remover that blowback wind utilization rate is high.
Air tightness rotating backblowing device for cloth bag dust remover of the present invention, comprise blowback wind box that is rotationally connected with rotating shaft top and the winding-up pipe joint of fixedlying connected with the rotating shaft bottom, the lower end of rotating shaft is stretched out with the support that is fixed on the deduster casing and is rotationally connected, its shaft is a hollow-core construction, drag-line is housed in rotating shaft, the drag-line upper end passes rotating shaft fixedlys connected with the piston rod in the cylinder that is installed in bracing frame top, and bracing frame is fixed on the top of blowback wind box; Level passes in the rotating shaft of the lower end of drag-line outside being positioned at the winding-up pipe joint, and fixedly connected with sliding bar one end on being movably arranged on base plate, the other end of sliding bar is fixedlyed connected with the intermediate plate central vertical, and the intermediate plate both sides are upward through lead by drag-line respectively and are fixedly connected on spring shaft external part in the spring spool symmetrically; Two spring spools are fixed on the outer wall of the cylinder that is connected with the pipe joint lower horizontal of jetting symmetrically, suit little spring on spring shaft, movable set has bell-mouthed butt joint winding-up mouth outside cylinder, the lead that butt joint winding-up mouthful edge is fixed on the cylinder slides, and fixedly connected with the spring shaft external part, base plate is fixedlyed connected with the rotating shaft bottom.
Air tightness rotating backblowing device for cloth bag dust remover of the present invention wherein is equipped with O-ring seal by fixture at butt joint winding-up mouthful square on to edge fit, and the upper and lower limit of butt joint winding-up mouthful is the arc to outer process.
Air tightness rotating backblowing device for cloth bag dust remover of the present invention, its shaft comprises the tube connector that upper and lower spindle nose is connected with center fixed, is provided with the through hole that the lower end horizontal direction that makes drag-line passes on following spindle nose.
Air tightness rotating backblowing device for cloth bag dust remover of the present invention, wherein the plate upper surface two ends are respectively equipped with left and right limiting plate; Be provided with the slide with the sliding bar active mounting between left and right limiting plate, sliding bar one end is provided with plug, and this plug is fixedlyed connected with the drag-line that passes the left limit plate; Suit big spring on the sliding bar between slide and the intermediate plate, intermediate plate both sides are fixedlyed connected with the drag-line that passes the right limit plate respectively by wire tensioner symmetrically.
Air tightness rotating backblowing device for cloth bag dust remover of the present invention, wherein also fixedly connected with the piston rod of cylinder by another wire tensioner in the upper end of drag-line.
Air tightness rotating backblowing device for cloth bag dust remover of the present invention wherein is provided with sealing ring between the sliding connecting surface of cylinder and butt joint winding-up mouth.
The butt joint winding-up mouth of air tightness rotating backblowing device for cloth bag dust remover design extension type of the present invention, dock with the sealing of deduster locellus box body wall by cylinder control winding-up mouth, fully effectively utilize of the influence of blowback air-flow to the whole system air-flow, thereby guarantee the stable of jetting pressure, increase the service life of cloth bag and entire equipment; Make cloth bag be issued to good ash-removal effect at stable jetting pressure.This apparatus structure is reasonable, regulates flexibly, and is reliable, and maintenance cost is low.
Description of drawings
Fig. 1 looks schematic diagram for air tightness rotating backblowing device for cloth bag dust remover structural principle master of the present invention;
Fig. 2 looks schematic diagram for the right side of Fig. 1;
Fig. 3 is the A-A section schematic top plan view of Fig. 1;
Fig. 4 is the B-B section schematic top plan view of Fig. 1;
Fig. 5 is scalable winding-up docking port modular construction generalized section in the air tightness rotating backblowing device for cloth bag dust remover of the present invention;
Fig. 6 is the schematic top plan view of Fig. 5;
Fig. 7 is an air tightness rotating backblowing device for cloth bag dust remover shaft structural profile schematic diagram of the present invention;
Fig. 8 is Pneumatic component structural representation in the air tightness rotating backblowing device for cloth bag dust remover of the present invention;
Fig. 9 is attaching parts structural representation in the air tightness rotating backblowing device for cloth bag dust remover of the present invention.
The specific embodiment
By Fig. 1～Fig. 2 as seen, air tightness rotating backblowing device for cloth bag dust remover of the present invention comprises blowback wind box 2 that is rotationally connected with rotating shaft 5 tops and the perpendicular type of fixedlying connected with its underpart winding-up pipe joint 3, rotating shaft 5 lower ends are stretched out with the support 7 that is fixed on the deduster casing 28 and are rotationally connected, fixedly connected with the bottom of blowback wind box 2 by rotatable parts 4 in the top of winding-up pipe joint 3, its shaft 5 is a hollow-core construction, drag-line 8 is housed in rotating shaft 5, the piston rod that drag-line 8 upper ends pass rotating shaft 5 and the cylinder 10 that is installed in bracing frame 9 tops is seen Fig. 8 by wire tensioner 16 ' fixedly connected.Bracing frame 9 is fixed on the top of blowback wind box 2; The lower end of drag-line 8 passes from being arranged in rotating shaft 5 levels of winding-up outside the pipe joint 3, and fixedlys connected with the plug of sliding bar 13 1 ends on being movably arranged on base plate 11, sees Fig. 9 for details, base plate 11 upper surface two ends be respectively equipped with left and right limiting plate 17 ', 17; Left and right limiting plate 17 ', be provided with the slide 12 with sliding bar 13 active mountings between 17, fixedly connected with intermediate plate 15 central vertical in sliding bar 13 other end suit big springs 14 backs, intermediate plate 15 both sides are respectively by wire tensioner 16 and drag-line 8 ' fixedly connected, and drag-line 8 ' the pass pilot hole in the right limit plate 17 is upward through lead 18 and is fixedly connected on interior spring shaft 20 external parts of spring spool 19 symmetrically; Two spring spools 19 are fixed on the outer wall of the cylinder 21 that winding-up pipe joint 3 lower horizontal connect symmetrically, suit little spring 22 on spring shaft 20, movable set has bell-mouthed butt joint winding-up mouth 23 outside cylinder 21, and is provided with sealing ring 27 between the sliding connecting surface of cylinder 21 and butt joint winding-up mouth 23.The lead 18 that butt joint winding-up mouthful 23 edges are fixed on the cylinder 21 slides, and fixedlys connected with spring shaft 20 external parts, and base plate 11 is fixedlyed connected with rotating shaft 5 bottoms, referring to Fig. 5 and Fig. 6.
Wherein by fixture O-ring seal 24 is housed on to edge fit, and the upper and lower limit of butt joint winding-up mouthfuls 23 be the arc to outer process at butt joint winding-up mouthfuls 23 square, for dock contact between winding-up mouthfuls 23 and the deduster tubular box body wall 28 seal more reliable.And rotating shaft 5 comprises the tube connector 26 of upper and lower spindle nose 25,25 ' be connected with center fixed, spindle nose 25 down ' on be provided with the through hole that the lower end horizontal direction that makes drag-line 8 passes, referring to Fig. 7, the processing and manufacturing of more favourable like this rotating shaft 5.
The course of work of the present invention is: air inlet 1 connects back blowing machine, start the control system of intermittent-rotation mechanism 7 and cylinder 10, make winding-up pipe joint 3 and butt joint winding-up mouthful 23 rotations such as grade, winding-up mouthfuls 23 closely contacts with the branch chamber inlet of the deduster casing that cloth bag is housed, this process is that cylinder 10 motion lifting drive drag-lines 8 upwards spur sliding bar 13, compression big spring 14 and drive simultaneously two drag-lines 8 ', this two drag-lines 8 ' upwards walk around respectively symmetry is installed in the lead 18 pull-off spring axles 20 on cylinder 21 outer walls, compress little spring 22 simultaneously, and release the butt joint winding-up mouthful above-mentioned tight contact of 23 realizations; Start back blowing machine and jet, make blowing gas enter the deduster casing fully, finish the winding-up process effectively.After the predetermined blowback time, control system control cylinder 10 counteragents, little spring 22, big spring 14 reset simultaneously, make winding-up mouthful 23 disengaging deduster casings divide chamber inlet, just can restart intermittent-rotation mechanism 7 and make butt joint winding-up mouthful 23 rotations such as grade, and another minute chamber inlet of aligning deduster casing, finish another winding-up process.
Claims (6)
1, a kind of air tightness rotating backblowing device for cloth bag dust remover, comprise blowback wind box (2) that is rotationally connected with rotating shaft (5) top and the winding-up pipe joint (3) of fixedlying connected with described rotating shaft (5) bottom, described rotating shaft (5) lower end is stretched out with the support (7) that is fixed on the deduster casing (28) and is rotationally connected, it is characterized in that described rotating shaft (5) is hollow-core construction, drag-line (8) is housed in described rotating shaft (5), the upper end of described drag-line (8) passes described rotating shaft (5) fixedlys connected with the piston rod in the cylinder (10) that is installed in bracing frame (9) top, and support frame as described above (9) is fixed on the top of described blowback wind box (2); The described rotating shaft (5) of the lower end of described drag-line (8) outside being positioned at described winding-up pipe joint (3) gone up level and passed, and fixedly connected with sliding bar (13) one ends on being movably arranged on base plate (11), the other end of described sliding bar (13) is fixedlyed connected with intermediate plate (15) central vertical, and described intermediate plate (15) both sides are upward through lead (18) by drag-line (8 ') respectively and are fixedly connected on interior spring shaft (20) external part of spring spool (19) symmetrically; Two described spring spools (19) are fixed on the outer wall of the cylinder (21) that is connected with described winding-up pipe joint (3) lower horizontal symmetrically, go up suit little spring (22) at described spring shaft (20), movable set has bell-mouthed butt joint winding-up mouthful (23) outside described cylinder (21), described butt joint winding-up mouthful (23) is slided along the described lead (18) that is fixed on the described cylinder (21), and fixedly connected with described spring shaft (20) external part, described base plate (11) is fixedlyed connected with described rotating shaft (5) bottom.
2, air tightness rotating backblowing device for cloth bag dust remover according to claim 1, it is characterized in that by fixture O-ring seal (24) being housed on to edge fit, and the upper and lower limit of described butt joint winding-up mouthful (23) is the arc to outer process at described butt joint winding-up mouthful (23) square.
3, air tightness rotating backblowing device for cloth bag dust remover according to claim 1 and 2, it is characterized in that described rotating shaft (5) comprises the tube connector (26) that upper and lower spindle nose (25,25 ') is connected with center fixed, on described down spindle nose (25 '), be provided with the through hole that the lower end horizontal direction that makes described drag-line (8) passes.
4, air tightness rotating backblowing device for cloth bag dust remover according to claim 3 is characterized in that described base plate (11) upper surface two ends are respectively equipped with left and right limiting plate (17 ', 17); Be provided with the slide (12) with described sliding bar (13) active mounting between described left and right limiting plate (17 ', 17), described sliding bar (13) one ends are established plug, and this plug is fixedlyed connected with the described drag-line (8) that passes described left limit plate (17 '); Described sliding bar (13) between described slide (12) and described intermediate plate (15) is gone up suit big spring (14), fixedlys connected with the described drag-line (8 ') that passes described right limit plate (17) respectively by wire tensioner (16) symmetrically in described intermediate plate (15) both sides.
5, air tightness rotating backblowing device for cloth bag dust remover according to claim 4 is characterized in that also fixedlying connected with the piston rod of described cylinder (10) by another wire tensioner (16 ') in the upper end of described drag-line (8).
6, air tightness rotating backblowing device for cloth bag dust remover according to claim 5 is characterized in that being provided with sealing ring (27) between the sliding connecting surface of described cylinder (21) and described butt joint winding-up mouthful (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100558493A CN101279172B (en) | 2008-01-10 | 2008-01-10 | Air tightness rotating backblowing device for cloth bag dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100558493A CN101279172B (en) | 2008-01-10 | 2008-01-10 | Air tightness rotating backblowing device for cloth bag dust remover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101279172A true CN101279172A (en) | 2008-10-08 |
| CN101279172B CN101279172B (en) | 2011-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100558493A Expired - Fee Related CN101279172B (en) | 2008-01-10 | 2008-01-10 | Air tightness rotating backblowing device for cloth bag dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101279172B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106377953A (en) * | 2016-10-20 | 2017-02-08 | 沈阳朗立电力设备有限公司 | Rotational positioning reverse blowing dust removing valve |
| CN111228912A (en) * | 2020-01-15 | 2020-06-05 | 陈嘉玲 | Industrial dust removal equipment with cleaning function |
| CN113318527A (en) * | 2021-05-26 | 2021-08-31 | 安徽天顺环保设备股份有限公司 | Air tightness rotary back-blowing device for bag-type dust collector |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2122677U (en) * | 1992-06-16 | 1992-11-25 | 机械电子工业部设计研究院 | Elevating rotary back-blow device for bag dust-remover |
| CN2338078Y (en) * | 1998-07-06 | 1999-09-15 | 上海除尘设备厂 | Stepping and revolving type back-blowing mechanism of bag type dust-cleaning apparatus |
| CN2447645Y (en) * | 2000-08-04 | 2001-09-12 | 倪文龙 | Air valve back-blowing device |
| JP4090817B2 (en) * | 2001-09-13 | 2008-05-28 | 株式会社東芝 | Constant voltage generation circuit and semiconductor memory device |
| EP1618943A1 (en) * | 2004-07-20 | 2006-01-25 | Esa Electronic Engineering S.r.L. | Valve control system for dust collector units |
-
2008
- 2008-01-10 CN CN2008100558493A patent/CN101279172B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106377953A (en) * | 2016-10-20 | 2017-02-08 | 沈阳朗立电力设备有限公司 | Rotational positioning reverse blowing dust removing valve |
| CN111228912A (en) * | 2020-01-15 | 2020-06-05 | 陈嘉玲 | Industrial dust removal equipment with cleaning function |
| CN113318527A (en) * | 2021-05-26 | 2021-08-31 | 安徽天顺环保设备股份有限公司 | Air tightness rotary back-blowing device for bag-type dust collector |
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| Publication number | Publication date |
|---|---|
| CN101279172B (en) | 2011-07-27 |
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Granted publication date: 20110727 Termination date: 20120110 |