CN202823654U - Spiral material pusher - Google Patents
Spiral material pusher Download PDFInfo
- Publication number
- CN202823654U CN202823654U CN 201220378190 CN201220378190U CN202823654U CN 202823654 U CN202823654 U CN 202823654U CN 201220378190 CN201220378190 CN 201220378190 CN 201220378190 U CN201220378190 U CN 201220378190U CN 202823654 U CN202823654 U CN 202823654U
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- CN
- China
- Prior art keywords
- spiral
- screw feeder
- charging aperture
- proof cover
- utility
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- 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.)
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Abstract
The utility model discloses a spiral material pusher which comprises a spiral cylinder and a spiral blade, wherein a feed port is formed on the spiral cylinder, and is provided with a tungsten carbide wear resistant sleeve; the tungsten carbide wear resistant sleeve adopts a hollow square structure; and the hardness HRC of the tungsten carbide wear resistant sleeve is not less than 75. Through use of the spiral material pusher, the service life of the spiral material pusher is prolonged, the maintenance period of the spiral material pusher is reduced, the maintenance solution is simplified, and the maintenance cost is reduced.
Description
Technical field
The utility model relates to the Centrifuge Techniques field, is specifically related to a kind of screw feeder that can use at horizontal screw centrifuge.
Background technology
Horizontal screw centrifuge is the density contrast that relies on the solid-liquid two-phase, and under the effect of centrifugal force, the sinking speed of accelerating solid phase particles realizes the separation machinery of Separation of Solid and Liquid.The characteristics such as horizontal screw centrifuge has continued operation, treating capacity is large, specific yield power consumption is lower, strong adaptability; The properity of horizontal screw centrifuge, parameter etc. also alter a great deal in the development of decades, and disintegrate-quality, production capacity improve constantly, and range of application is more extensive, has good development prospect.
Along with the needs of environmental protection in modern age, disposal of three wastes development, for all gradually raisings of requirement of industrial wastewater and sludge dewatering treatment, and in the dehydration of horizontal screw centrifuge separated, the moisture percentage in sewage sludge after the dehydration was an important Separation Indexes.
The screw feeder charging aperture position of most horizontal screw centrifuge adopts the surfacing hard alloy coating to improve the antiwear property of charging aperture, because carbide alloy is that surfacing is to workpiece, the hardness of carbide alloy can not be too high, too highly easily crack, general HRC≤50 and wear-resisting effect are general; In case carbide alloy spray-welding coating serious wear must be returned producer and just can carry out surfacing and again dynamic balancing maintenance, this measure maintenance cycle is long and maintenance cost is high.
The utility model content
The utility model has overcome the deficiencies in the prior art, and a kind of screw feeder is provided, and has improved the life cycle of centrifuge, and has reduced the maintenance cycle of centrifuge, has simplified maintenance program and has reduced maintenance cost.
Consider the problems referred to above of prior art, according to the disclosed aspect of the utility model, the utility model by the following technical solutions:
A kind of screw feeder comprises spiral-tube and helical blade, is provided with charging aperture on the described spiral-tube, and described charging aperture place is provided with the carbine abrasion-proof cover.
In order to realize better the utility model, further technical scheme is:
As preferably, described carbine abrasion-proof cover is the square structure of hollow.
As preferably, around the described carbine abrasion-proof cover and between the charging aperture 2 to 3 millimeters gaps are arranged.
As preferably, described carbine abrasion-proof cover is bonded in described charging aperture place by the carbide alloy special glue.
The utility model can also be:
As preferably, the hardness HRC of described carbine abrasion-proof cover is more than or equal to 75.
Compared with prior art, one of the beneficial effects of the utility model are:
By the use to screw feeder of the present utility model,
(1) improved service life of screw feeder;
(2) reduced the maintenance cycle of screw feeder;
(3) simplify maintenance program, reduced maintenance cost.
Description of drawings
For clearer explanation present specification embodiment or technical scheme of the prior art, the below will do simple the introduction to the accompanying drawing of required use in the description of embodiment or prior art, apparently, the accompanying drawing that the following describes only is the reference to some embodiment in the present specification, for those skilled in the art, in the situation that do not pay creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 shows the structural representation according to the screw feeder of an embodiment of the utility model;
Fig. 2 shows the structural representation according to the carbine abrasion-proof cover of an embodiment of the utility model.
Wherein, the corresponding name of the Reference numeral in the accompanying drawing is called:
The 1-helical blade, 2-spiral-tube, 3-charging aperture, 4-carbine abrasion-proof cover.
The specific embodiment
Below in conjunction with embodiment the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Fig. 1 shows the structural representation according to the screw feeder of an embodiment of the utility model.Embodiment with reference to a kind of screw feeder shown in Figure 1 comprises spiral-tube 2 and helical blade 1, is provided with charging aperture 3 on the described spiral-tube 2, and described charging aperture 3 places are provided with carbine abrasion-proof cover 4.The screw feeder of the present embodiment is mainly used in the horizontal screw centrifuge, and as shown in Figure 1, the right-hand member of spiral-tube 2 is provided with charging aperture 3.
Around the described carbine abrasion-proof cover 4 and between the charging aperture 32 to 3 millimeters gaps are arranged, namely shape is made according to the monolateral 2 ~ 3mm gap of leaving of the size of charging aperture 3.Can be that the tungsten carbide content of carbine abrasion-proof cover 4 〉=70% adopts the powder metallurgy die cast.
Described carbine abrasion-proof cover 4 is bonded in described charging aperture place by the carbide alloy special glue, can be the high strength cemented carbide special glue.
The hardness HRC of described carbine abrasion-proof cover 4 is more than or equal to 75.
Fig. 2 shows the structural representation according to the carbine abrasion-proof cover of an embodiment of the utility model.As shown in Figure 2, described carbine abrasion-proof cover 4 is the square structure of hollow.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that identical similar part cross-references gets final product between each embodiment.
" embodiment " who speaks of in this manual, " another embodiment ", " embodiment ", etc., refer to specific features, structure or the characteristics described in conjunction with this embodiment and be included among at least one embodiment that the application's generality describes.A plurality of local appearance statement of the same race is not necessarily to refer to same embodiment in specification.Furthermore, when describing a specific features, structure or characteristics in conjunction with arbitrary embodiment, what advocate is to realize that in conjunction with other embodiment this feature, structure or characteristics also drop in the scope of the present utility model.
Although with reference to a plurality of explanatory embodiment of the present utility model the utility model is described here, but, should be appreciated that, those skilled in the art can design a lot of other modification and embodiments, and these are revised and embodiment will drop within the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to building block and/or the layout of subject combination layout.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes also will be obvious.
Claims (5)
1. a screw feeder comprises spiral-tube and helical blade, is provided with charging aperture on the described spiral-tube, it is characterized in that, described charging aperture place is provided with the carbine abrasion-proof cover.
2. screw feeder according to claim 1 is characterized in that, described carbine abrasion-proof cover is the square structure of hollow.
3. screw feeder according to claim 1 is characterized in that, what described carbine abrasion-proof overlapped has 2 to 3 millimeters gaps all around and between the charging aperture.
4. screw feeder according to claim 1 is characterized in that, described carbine abrasion-proof cover is bonded in described charging aperture place by the carbide alloy special glue.
5. screw feeder according to claim 1 is characterized in that, the hardness HRC of described carbine abrasion-proof cover is more than or equal to 75.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220378190 CN202823654U (en) | 2012-07-31 | 2012-07-31 | Spiral material pusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220378190 CN202823654U (en) | 2012-07-31 | 2012-07-31 | Spiral material pusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202823654U true CN202823654U (en) | 2013-03-27 |
Family
ID=47935451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220378190 Expired - Fee Related CN202823654U (en) | 2012-07-31 | 2012-07-31 | Spiral material pusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202823654U (en) |
-
2012
- 2012-07-31 CN CN 201220378190 patent/CN202823654U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20210731 |