CN102085693B - Large-diameter vacuum pug mill - Google Patents
Large-diameter vacuum pug mill Download PDFInfo
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- CN102085693B CN102085693B CN201010563762A CN201010563762A CN102085693B CN 102085693 B CN102085693 B CN 102085693B CN 201010563762 A CN201010563762 A CN 201010563762A CN 201010563762 A CN201010563762 A CN 201010563762A CN 102085693 B CN102085693 B CN 102085693B
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- mud
- helical blade
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- pug
- discharging
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Abstract
The invention discloses a large-diameter vacuum pug mill, a stand of which is provided with a charging hopper, a mulling chamber and a vacuum chamber, wherein a mud discharging device is connected to the vacuum chamber and comprises a mud discharging cylinder and a discharging helical blade axially penetrating into the mud discharging cylinder, and the pitch diameter lead angle of the discharging helical blade is 10-16 DEG. Due to the adoption of the novel discharging helical blade with a 10-16 DEG small lead angle, rotary mud and dried dead mud are greatly reduced, and the cracking of the surface of the mud is reduced; meanwhile, the small helical lead angle increases the axial output capacity of the discharging helical blade, and reduces the power consumption of equipment and the energy consumption; and the increase of the axial output capacity of the discharging helical blade enhances the extruding effect to the mud, enlarges the mud density, and ensures that the densities inside and outside the mud are uniform and consistent, thereby improving the mud quality and ensuring that the made mud can meet the requirement on an insulator and a knob insulator for extra-high voltage power transmission and distribution.
Description
Technical field
The present invention 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 discharging 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 to pug but also can produce the radially rotating rotatory force of a kind of promotion pug when rotated, and pug is driven by the discharging helical blade by the progressive while of discharging helical blade impeller-hub in sand pump and in sand pump, produces radially revolution; Make the bigger friction of generation between pug and the sand pump inwall; The friction that this radially revolution produces causes the hull-skin temperature of pug to raise and mummification one-tenth " dead mud " rapidly easily, because the pug diameter is bigger, its surface temperature is difficult to be delivered to inside; The internal temperature that causes pug is lower and surface temperature is higher, and its pug of processing is because of the unbalanced crust cracking phenomena that occurs of inside and outside temperature.And because the driving mechanism of drive discharging helical blade produces frictional heating because of discharging helical blade drive pug produces radially to turn round; Its a part of energy radially turns round at the promotion pug because of consumption and has made a large amount of idle works; 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 one section conically shaped additional, in the direction of pug axial advancement it is carried out brute force through conically shaped and pushes; But for large diameter pug base; Conically shaped can't reach the inside of pug to the extruding force of pug, cause pug outer tight in pine, the density that the heart portion density of pug is little and peripheral is big; 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.
Summary of the invention
The objective of the invention 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.
Technical scheme of the present invention 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 by conveying blade, mix blade and the pressurization blade form.
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.
Vacuum deairing machine of the present invention 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 major diameter vacuum deairing machine specific embodiment of the present invention.
The specific embodiment
The specific embodiment of major diameter vacuum deairing machine of the present invention 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 sand pump 12 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, discharging helical blade of the present invention 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, For guaranteeing that pug can not produce revolution radially when axially being promoted by the discharging helical blade; With the phenomenon that reduces " dead mud " and reduce pug and the inwall of sand pump 12 between frictional heat; The middle footpath lead angle of conveying blade is 14 ° ~ 16 °, and the middle footpath lead angle of the blade 11 that mixes is 10 ° ~ 13 °, and the middle footpath lead angle of terminal pressurization blade is 12 ° ~ 14 °.Simultaneously; For reduce in the pug outer density inconsistent, prevent pug occur outer tight in loose phenomenon; Sand pump 12 of the present invention adopts the cylinder barrel shaped structure; Make the pug in sand pump 12, only receive the axial compression power of discharging helical blade, thereby guaranteed the consistent in density property that pug is inside and outside, the requirement that insulator of processing with this pug and porcelain knob can satisfy the extra-high voltage power transmission and distribution project.
Vacuum deairing machine of the present invention 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, and adopt can the discharging helical blade of minor spiral lift angle of the present invention after; 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 (3)
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; 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 described discharging helical blade is made up of the conveying blade of segmentation setting and front and back divergence, mix blade and terminal pressurization blade, 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 °, and the middle footpath lead angle of described terminal pressurization blade is 12 ° ~ 14 °.
2. major diameter vacuum deairing machine according to claim 1 is characterized in that, described sand pump is the cylinder barrel shaped structure.
3. major diameter vacuum deairing machine according to claim 2 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 |
|---|---|---|---|
| CN201010563762A CN102085693B (en) | 2010-11-29 | 2010-11-29 | Large-diameter vacuum pug mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010563762A CN102085693B (en) | 2010-11-29 | 2010-11-29 | Large-diameter vacuum pug mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102085693A CN102085693A (en) | 2011-06-08 |
| CN102085693B true CN102085693B (en) | 2012-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010563762A Expired - Fee Related CN102085693B (en) | 2010-11-29 | 2010-11-29 | Large-diameter vacuum pug mill |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103213186A (en) * | 2013-05-08 | 2013-07-24 | 醴陵市金山电瓷制造有限公司 | Insulator vacuum pugging method and insulator vacuum pugging device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202129849U (en) * | 2010-11-29 | 2012-02-01 | 郑州一邦电工机械有限公司 | Vacuum large-diameter pug mill |
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| JPH0643048B2 (en) * | 1989-03-27 | 1994-06-08 | 日本碍子株式会社 | Ceramic extrusion method and equipment used therefor |
| CN201309210Y (en) * | 2008-12-10 | 2009-09-16 | 廖运财 | Continuously variable-speed electric ceramics vacuum pug mill |
| CN101698314B (en) * | 2009-09-25 | 2011-10-05 | 南京柯瑞特种陶瓷股份有限公司 | Honeycombed ceramic slurry water cooling vacuum refiner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202129849U (en) * | 2010-11-29 | 2012-02-01 | 郑州一邦电工机械有限公司 | Vacuum large-diameter pug mill |
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Granted publication date: 20121017 Termination date: 20131129 |