CN202129849U - Vacuum large-diameter pug mill - Google Patents
Vacuum large-diameter pug mill Download PDFInfo
- Publication number
- CN202129849U CN202129849U CN201020630474U CN201020630474U CN202129849U CN 202129849 U CN202129849 U CN 202129849U CN 201020630474 U CN201020630474 U CN 201020630474U CN 201020630474 U CN201020630474 U CN 201020630474U CN 202129849 U CN202129849 U CN 202129849U
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- pug
- blade
- major diameter
- deairing machine
- helical blade
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Abstract
The utility model discloses a vacuum large-diameter pug mill. A feed hopper, a mixed-pugging chamber and a vacuum chamber are arranged on a framework, the vacuum chamber is connected with a pug discharge device, the pug discharge device comprises a pug outlet barrel and a helical discharge blade, the helical discharge blade is axially penetratingly arranged in the pug discharge barrel, and the helix lead angle of the pitch diameter of the helical discharge blade ranges from 10 degrees to 16 degrees. By the aid of the helical discharge blade with the small helix lead angle ranging from 10 degrees to 16 degrees, the problems of swiveling pug and 'dried pug' are reduced greatly, cracking of the surface of pug is reduced as well. Further, axial discharge capacity of the helical discharge blade is increased by the aid of the small helix lead angle, power consumption of the pug mill is reduced, and consumption of energy resources is saved. Meanwhile, extrusion effect on the pug is improved due to increase of the axial discharge capacity of the helical discharge blade, density of the pug is increased and the density of the inside and the outside of the pug is uniform and consistent, and thereby quality of the pug is improved, and the produced pug can meet the requirements of porcelain bushings and porcelain columns for ultrahigh-voltage power transmission and distribution.
Description
Technical field
The utility model relates to a kind of vacuum deairing machine.
Background technology
At present, China is just greatly developing the extra-high voltage electric line, and the large-scale insulator, the porcelain knob diameter that use in the extra-high voltage electric line reach 800 ~ 1200mm, and for guaranteeing that density is even in insulator, the porcelain knob, work in-process need use vacuum deairing machine to prepare pug.Vacuum deairing machine comprises loading hopper, mix chamber and vacuum chamber, and vacuum chamber connects the mud extraction device, and the mud extraction device comprises sand pump, is provided with the discharging helical blade in the sand pump.The middle footpath lift angle of the major ingredient helical blade in the existing vacuum deairing machine is bigger; Usually be set to about 20 °, the discharging helical blade of this great-lift angle not only can produce axial thrust but also can produce a kind of revolving force radially when rotated; Pug is driven radially revolution of generation in sand pump by the progressive while of discharging helical blade impeller-hub by the discharging helical blade in sand pump; The friction of aggravation pug and sand pump inwall, pug raises the hull-skin temperature of pug with the high heat of friction generates of sand pump inwall and mummification becomes " extremely mud ", and owing to the pug diameter is bigger; Its surface temperature is difficult to be delivered to inside; The internal temperature of pug is lower, causes pug to process the back and occurs the crust cracking phenomena because of internal and external temperature is unbalanced, and the driving mechanism that drives the discharging helical blade has been made a large amount of idle works because of the drive pug produces radially to turn round; Increase the power consumption of equipment, wasted the energy.Simultaneously, be to improve the density of pug, existing vacuum deairing machine is that the mud outlet end at vacuum deairing machine installs an end toper tube additional; Conically shaped carries out the brute force extruding the pug axial advancement to it; But because the enlarged diameter of pug, during mud extraction, conically shaped can't reach the inside of pug to the extruding force of pug; Cause the outer tight interior pine of pug; The density that the heart portion density of pug is little and peripheral is big, and the insulator that adopts this pug to process is second-rate, can not satisfy the requirement of extra-high voltage power transmission and distribution with insulator and porcelain knob.
The utility model content
The purpose of the utility model is: a kind of major diameter vacuum deairing machine is provided, and existing vacuum deairing machine is more because of " dead mud " that the pug revolution causes when pug export to solve, pug crust easy of crack and equipment consume energy problem of higher.
The technical scheme of the utility model is: a kind of major diameter vacuum deairing machine; Comprise frame; Frame is provided with loading hopper, chamber and vacuum chamber mix; Vacuum chamber is connected with the mud extraction device, and the mud extraction device comprises sand pump and axially be arranged in the discharging helical blade in the sand pump that the middle footpath lead angle of described discharging helical blade is 10 ° ~ 16 °.
Described discharging helical blade is made up of conveying blade, mix blade and terminal pressurization blade.
The subsection blade that described discharging helical blade, mix helical blade and terminal pressurization blade are the front and back divergence constitutes.
The middle footpath lead angle of described conveying blade is 14 ° ~ 16 °.
The middle footpath lift angle of the described blade that mixes is 10 ° ~ 13 °.
The middle footpath lead angle of described terminal pressurization blade is 12 ° ~ 14 °.
Described sand pump is the cylinder barrel shaped structure.
On the inwall of described sand pump, circumferentially be evenly equipped with axially extended reinforcement.
The vacuum deairing machine of the utility model has adopted the novel discharging helical blade of 10 ° ~ 16 ° minor spiral lift angle; Make pug when output; The radially turning power that helical blade drives the pug generation significantly reduces, and has reduced the friction of pug and sand pump inwall, has reduced the temperature on pug surface; Thereby significantly reduced " dead mud " phenomenon of revolution mud and mummification, reduced the cracking phenomena on pug surface; And the minor spiral lift angle has increased the axial fan-out capability of discharging helical blade; Become drive the radially rotating idle work of pug into the useful work of exporting pug, thereby reduced the power consumption of equipment, the consumption of having saved the energy; Simultaneously; The squeezing effect to pug has been strengthened in the increase of the axial fan-out capability of discharging helical blade, has strengthened the density of pug, and makes the inside and outside density uniformity of pug; Thereby improved the quality of pug, made the pug process to satisfy the extra-high voltage power transmission and distribution insulator of using, the requirement of porcelain knob.
Description of drawings
Fig. 1 is the structural representation of the utility model major diameter vacuum deairing machine specific embodiment.
The specific embodiment
The specific embodiment of the major diameter vacuum deairing machine of the utility model is as shown in Figure 1; It comprises frame 1; Frame 1 is provided with vertical reduction box 2, and the top of vertical reduction box 2 is connected with loading hopper 5, is provided with reinforced spiral in the loading hopper 5; The power shaft of this vertical reduction box 2 is connected with driving mechanism 4 through shaft coupling 3, and the output shaft of vertical reduction box 2 is in transmission connection with reinforced spiral is coaxial.Output at loading hopper 5 connects the chamber 6 of mixing; Mix and be provided with and the coaxial spiral that tentatively mixes that is connected of reinforced spiral in the chamber 6; On the chamber 6 of mixing, connect vacuum chamber 7; The comb plate 9 that the inside of vacuum chamber 7 is rotatably equipped with screw reamer 8 and cooperates with screw reamer 8 through the bearing block 15 of sealing and fixing on its outer wall is provided with the mud extraction device at the discharge end of vacuum chamber 7, and this mud extraction device is made up of the sand pump 12 of cylinder barrel shaped and the discharging helical blade that axially is installed in the sand pump 12; In the present embodiment, 8 coaxial connections of screw reamer in discharging helical blade and the vacuum chamber 7.For strengthening the mud extraction quality of pug, the discharging helical blade of the utility model adopts three sections conveying blades that set gradually 10, mix blade 11 and end pressurization blade 13 compositions, conveying blade 10, the mutual divergence between blade 11 and the terminal pressurization blade 13 of mixing.The discharging helical blade that adopts segmentation to be provided with can carry out helical feed to pug on the one hand, and on the other hand, the segmented blade can radially stir pug and cut, and formation is mixed, and strengthens the mud extraction quality of pug.In the present embodiment, this blade that mixes also is made up of the subsection blade of three sections mutual divergence, thereby further strengthens the effect of mixing of pug.Wherein, when axially promoting, can not produce revolution radially for guaranteeing pug, to rub, to reduce the phenomenon of " dead mud " between the inwall that reduces pug and sand pump 12 by the discharging helical blade; The middle footpath lead angle of conveying blade is 14 ° ~ 16 °; The middle footpath lead angle of blade 11 of mixing is 10 ° ~ 13 °, and the middle footpath lead angle of terminal pressurization blade is 12 ° ~ 14 °, simultaneously; On the inwall of sand pump, circumferentially be evenly equipped with axially extended reinforcement; Each reinforcement constitutes the groove that circumferentially distributes on the inwall of sand pump, thereby can prevent further that pug from producing revolution in sand pump, avoid producing frictional heat between pug and the sand pump.And the middle footpath lift angle that has reduced the discharging helical blade can be avoided the phenomenon that outer density is inconsistent in the appearance of pug base, outer tight interior pine appears in pug, has guaranteed the inside and outside consistent in density property of pug.
The vacuum deairing machine of the utility model has adopted the novel discharging helical blade of 10 ° ~ 16 ° minor spiral lift angle; Make pug when output; The radially turning power that helical blade drives the pug generation significantly reduces, and has reduced the friction of pug and sand pump inwall, has reduced the temperature on pug surface; Thereby significantly reduced " dead mud " phenomenon of revolution mud and mummification, reduced the cracking phenomena on pug surface; And the minor spiral lift angle increased the axial fan-out capability of discharging helical blade, with driving the useful work that the radially rotating idle work of pug becomes the output pug, thereby reduced the power consumption of equipment; With discharging helical blade diameter is that the vacuum deairing machine of 800mm is an example, and the output motor power of the vacuum deairing machine of existing 800mm is 110KW, but and after adopting the discharging helical blade of minor spiral lift angle of the utility model; Its output motor power is merely 90KW; Thereby saved the consumption of the energy greatly, simultaneously, the squeezing effect to pug has been strengthened in the increase of the axial fan-out capability of discharging helical blade; Strengthened the density of pug; And make the inside and outside density uniformity of pug, thus improved the quality of pug, make the pug of processing can satisfy the extra-high voltage power transmission and distribution insulator of using, the requirement of porcelain knob.
Claims (8)
1. major diameter vacuum deairing machine; Comprise frame; Frame is provided with loading hopper, mix chamber and vacuum chamber, and vacuum chamber is connected with the mud extraction device, and the mud extraction device comprises sand pump and axially is arranged in the discharging helical blade in the sand pump; It is characterized in that the middle footpath lead angle of described discharging helical blade is 10 °-16 °.
2. major diameter vacuum deairing machine according to claim 1 is characterized in that, described discharging helical blade is made up of conveying blade, mix blade and terminal pressurization blade.
3. major diameter vacuum deairing machine according to claim 2 is characterized in that, described discharging helical blade, mix helical blade and terminal pressurization blade are the segmented blade construction of front and back divergence.
4. major diameter vacuum deairing machine according to claim 3 is characterized in that, the middle footpath lead angle of described conveying blade is 14 °-16 °.
5. major diameter vacuum deairing machine according to claim 3 is characterized in that, the middle footpath lift angle of the described blade that mixes is 10 °-13 °.
6. major diameter vacuum deairing machine according to claim 3 is characterized in that, the middle footpath lead angle of described terminal pressurization blade is 12 °-14 °.
7. according to any described major diameter vacuum deairing machine of claim 1-6, it is characterized in that described sand pump is the cylinder barrel shaped structure.
8. major diameter vacuum deairing machine according to claim 7 is characterized in that, on the inwall of described sand pump, circumferentially is evenly equipped with axially extended reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020630474U CN202129849U (en) | 2010-11-29 | 2010-11-29 | Vacuum large-diameter pug mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020630474U CN202129849U (en) | 2010-11-29 | 2010-11-29 | Vacuum large-diameter pug mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202129849U true CN202129849U (en) | 2012-02-01 |
Family
ID=45518633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020630474U Expired - Fee Related CN202129849U (en) | 2010-11-29 | 2010-11-29 | Vacuum large-diameter pug mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202129849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085693A (en) * | 2010-11-29 | 2011-06-08 | 郑州一邦电工机械有限公司 | Large-diameter vacuum pug mill |
-
2010
- 2010-11-29 CN CN201020630474U patent/CN202129849U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102085693A (en) * | 2010-11-29 | 2011-06-08 | 郑州一邦电工机械有限公司 | Large-diameter vacuum pug mill |
| CN102085693B (en) * | 2010-11-29 | 2012-10-17 | 郑州一邦电工机械有限公司 | Large-diameter vacuum pug mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120201 Termination date: 20131129 |