CN202483955U - Pulp pump - Google Patents
Pulp pump Download PDFInfo
- Publication number
- CN202483955U CN202483955U CN2011205692373U CN201120569237U CN202483955U CN 202483955 U CN202483955 U CN 202483955U CN 2011205692373 U CN2011205692373 U CN 2011205692373U CN 201120569237 U CN201120569237 U CN 201120569237U CN 202483955 U CN202483955 U CN 202483955U
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- China
- Prior art keywords
- wear
- impeller
- resisting lining
- lining papers
- pulp pump
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- Expired - Lifetime
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Abstract
The utility model belongs to the technical field of liquid conveying device, and relates to a pulp pump. In order to solve the problem that an impeller is easily blocked when the traditional pulp pump is used for conveying pulp, the utility model provides a pulp pump which comprises a pump body, a front wear-resistant ring bushing and a rear wear-resistant ring bushing which are arranged in the pump body, an impeller arranged between the front wear-resistant ring bushing and the rear wear-resistant ring bushing, and a motor part connected with the impeller through an impeller shaft, wherein one side of the front wear-resistant ring bushing, which is opposite to the impeller, is provided with a front blockage-preventing groove. By adopting the technical scheme, the technical problem can be effectively solved.
Description
Technical field
The utility model belongs to the equipment for liquid transportation technical field, relates to a kind of pulp pump.
Background technique
In paper industry, pulp pump is used to realize the conveying to paper pulp.According to the difference of pulp quality concentration, generally be divided into low density pulp pump (concentration is less than 7%), middle concentration pulp pump (concentration is between 7% and 15%) and high concentration paper pulp pump (concentration is greater than 15%).
Because impurity such as nylon, cotton rope are more in the slurry, the impeller that the existing recurrent problem of pulp pump is a pulp pump is twined by the impurity in the slurry easily, causes impeller stuck; Thereby cause current of electric excessive; The papermaking motor is jumped and is stopped, and need tear pump cleaning impeller open, causes paper machine shutdown etc. when serious.
Existing technology solves the stuck problem of pulp pump and generally concentrates on two aspects:
The first, impeller is improved, for example Chinese patent " efficient pulp pump " (application number 200320110883.9) discloses a kind of pulp pump; Said impeller axial plane shape is parallel to each other; To prevent that slurries receive the jam phenomenon in circulation, simultaneously, blade inlet part attenuate in the impeller; And be circular shape, improve the anti-plugging performance;
Second; Prevent that by external equipment impeller is stuck; For example Chinese patent " interior turning water spray high concentration centrifugal pulp pump " (application number 201120044846.7) discloses another kind of pulp pump, and this article has been set up vacuum pump, gas-liquid separation device and high-pressure service pump, its mentality of designing be by vacuum pump extract out only for the slurries of gas through gas-liquid separation; The place of finally returning easy blocking in the pulp pump through high-pressure service pump has reached and has prevented stuck purpose.
Along with going deep into of low-carbon (LC) notion, the increasing employing middle and high concentration of paper industry paper pulp, first kind is improved technology, only can reduce blocking phenomenon, carry middle and high concentration paper pulp for a long time after, can not avoid impeller stuck; Though second kind of technique effect that improves technology is better, this type improves the extra increase various device of Technology Need, waits relate to sealing after these device assembles again for packing problem, and cost is difficult to control.
The model utility content
The utility model technical problem to be solved is the easy stuck problem of existing pulp pump impeller when carrying paper pulp, and this problem can be able to solve by following technological scheme:
A kind of pulp pump; Comprise the pump housing, in the pump housing before the wear-resisting lining papers of wear-resisting lining papers and back, the impeller in preceding wear-resisting lining papers and back between the wear-resisting lining papers, with impeller through the motor part that impeller shaft is connected, it is characterized in that said before the relative side of wear-resisting lining papers with impeller be provided with before anti-blocking groove.
Before preceding wear-resisting lining papers is opened behind the anti-blocking groove, less impurity in the paper pulp, anti-blocking groove before can directly passing through, and in the impeller rotation down, through centrifugal force entering pump discharge runner; And bigger impurity is wrapped on the impeller in the paper pulp; And rotate with impeller; Since impeller with before gap between the anti-blocking groove very little, make impurity through before during the trough rim of anti-blocking groove, be easy to given cut-out by the trough rim of preceding anti-blocking groove; The impurity that is wrapped in like this on the impeller will get loose, and is thrown away by impeller.
As stated, after the said structure of employing technique scheme, fine impurities in the paper pulp and big impurity all can be thrown away by impeller; Therefore, the said pulp pump of the utility model can use with to the conveying of various concentration range paper pulp, simultaneously; This scheme implementation is very simple, and fluting gets final product, and need not do large-scale structural change to pulp pump; With low cost, and have the good stuck effect of anti-impeller.
The utility model has also further adopted following technological scheme on the basis of technique scheme:
Before said anti-blocking groove comprise be arranged on before on the wear-resisting lining papers outer shroud outlet and be arranged on before the import on the ring in the wear-resisting lining papers;
Said outlet is bigger than the size of import;
Anti-blocking slot cross-section evenly reduces to size along being exported to the importer gradually before said;
Anti-blocking groove is symmetrically distributed in the relative side with impeller of preceding wear-resisting lining papers before said;
The relative side with impeller of the said wear-resisting lining papers in back is provided with the anti-blocking groove in back;
The anti-blocking groove in said back comprises and is arranged on the outlet on the wear-resisting lining papers outer shroud in back and is arranged on the import on the ring in the wear-resisting lining papers in back;
Said outlet is bigger than the size of import;
The anti-blocking slot cross-section in said back evenly reduces to size along being exported to the importer gradually;
The relative side with impeller of wear-resisting lining papers is symmetrically distributed the anti-blocking groove in said back in the back.
Description of drawings
Fig. 1 is the structural drawing (not showing the motor part) of the said a kind of pulp pump of embodiment;
Fig. 2 be in the said a kind of pulp pump of embodiment before wear-resisting lining papers face structural drawing;
Fig. 3 be in the said a kind of pulp pump of embodiment before the side-looking structural drawing of wear-resisting lining papers;
Fig. 4 be embodiment said before import and the outlet size size of anti-blocking groove when consistent, the advance schematic representation of the impurity in the paper pulp in preceding anti-blocking groove;
Fig. 5 be in the paper pulp than small impurities schematic representation of advancing in the anti-blocking groove before embodiment is said.
Embodiment
This embodiment is the detailed description to the model utility content part.
A kind of pulp pump; Comprise the pump housing, in the pump housing before the wear-resisting lining papers of wear-resisting lining papers and back, the impeller in preceding wear-resisting lining papers and back between the wear-resisting lining papers, the motor part that is connected through impeller shaft with impeller; Anti-blocking groove before the relative side of wear-resisting lining papers and impeller is provided with before said; On this basis, the main the following aspects of this embodiment is done further optimization to anti-pulp pump impeller is stuck.
One, to the improvement of preceding anti-blocking groove
As previously mentioned; Impurity in the paper pulp finally throws away under the drive of impeller; The anti-stuck function of pulp pump impeller of anti-blocking groove before the realization can continue performance for making this function, need satisfy the condition of two aspects generally speaking; On the one hand, anti-blocking groove and throwing away before can get in the paper pulp than small impurities; On the other hand, after the big impurity in the paper pulp is cut off by preceding anti-blocking groove trough rim, and can under the drive of impeller, throw away.
A kind of simple technical measures are that anti-blocking groove comprises outlet that confession impurity throws away and the import that supplies impurity to get into before making; Before said outlet is set directly on the wear-resisting lining papers outer shroud; And import be set directly at before in the wear-resisting lining papers on the ring; Being provided with on the only way which must be passed that the position is positioned at paper pulp circulation of said export and import can be carried out maximized processing to the impurity in the paper pulp with anti-blocking groove before guaranteeing, the stuck function of anti-impeller of anti-blocking groove before giving full play to.
Consider that the impurity in the paper pulp gets into until the process that throws away from outlet from import; If make import consistent with the size of outlet; Then fiber much all clashes into preceding anti-blocking groove inwall in the process that is thrown out of, and has hindered throwing away smoothly of fiber; Thus, the size of outlet is bigger than the size of import.
A better scheme is; Anti-blocking slot cross-section evenly reduces to size along being exported to the importer gradually before said; The groove bottom of anti-blocking groove is big or small shape before making, further, said before the groove bottom of anti-blocking groove identical with the track that impurity throws away; This shape is provided with the action direction that meets the power that throws away (also being centrifugal force) that is applied on the impurity fully, and the process of throwing away is carried out smoothly.
Two, to preventing the global optimization of the stuck function of impeller
Can be on the basis of a part of content; On preceding wear-resisting lining papers, be provided with a plurality of before anti-blocking groove; But anti-blocking groove is symmetrically distributed on preceding wear-resisting lining papers before preferably making, and preceding anti-blocking groove trough rim cuts off and is wrapped in the process of the fiber on the impeller, all can apply active force to impeller; Anti-blocking groove can make impeller receive the effect of uneven active force before asymmetrically distributed, influences the working life of the impeller shaft of impeller.
In view of paper pulp also can get into back wear-resisting lining papers and impeller between the space; This embodiment also the back wear-resisting lining papers on a relative side with impeller be provided with before the consistent back anti-blocking groove of anti-blocking groove; And adopt symmetrical distribution, make the anti-stuck function of impeller of the said pulp pump of this embodiment further perfect.
Embodiment
Like Fig. 1; A kind of pulp pump; Comprise the pump housing 1, through be bolted in the pump housing 1 before the wear-resisting lining papers of wear-resisting lining papers 9, back 10, impeller 8 and motor part between the wear-resisting lining papers 10 of preceding wear-resisting lining papers 9 and back; Impeller 8 is fixed on the impeller shaft 17 by impeller nut 6 and locked spacer 5, and is connected with motor part (Fig. 1 is not shown) through impeller shaft 17 and suspension assembly 15, and suspension assembly 15 is through being bolted on the pump housing 1.
Sealing in order to ensure the pump housing; Said pulp pump comprises pump cover 28 between the pump housing 1 and suspension assembly 15 and the packing sleeve 4 that entangles impeller shaft 17; The internal ring wall that pump cover 28 supplies impeller shafts 17 to pass constitutes packing cavities with packing sleeve 4, and filler 3 and packing ring 2 are arranged in the said packing cavity, and said pulp pump comprises that also an end pushes down the gland 27 of the interior filler 3 of packing cavity; Gland is through being bolted on the pump cover 28, thereby realizes the shaft sealing to impeller shaft 17.The wear-resisting lining papers 10 in back is through being bolted on the pump cover 28.
Before said wear-resisting lining papers 9 be provided with two symmetrical distributions before anti-blocking groove 30, the wear-resisting lining papers 10 in back is provided with the back anti-blocking groove 40 of two symmetrical distributions, preceding anti-blocking groove 30 is consistent with the structure of the anti-blocking groove 40 in back, shows only the structure of preceding anti-blocking groove 30 to be explained.
Like Fig. 2 and Fig. 3; Before said anti-blocking groove 30 comprise be arranged on before on the wear-resisting lining papers outer shroud outlet 31 and be arranged on before the import 32 on the ring in the wear-resisting lining papers; The size of said outlet 31 is greater than the size of import 32, and anti-blocking slot cross-section evenly reduces to size along being exported to the importer gradually before said, thereby sees from Fig. 2; Before anti-blocking groove 30 be big or small shape, and the track that throws away with impurity coincide.
Fiber impurity gets into until from export 31 processes that throw away from import 32, if make import consistent with the size of outlet, then impurity much all clashes into preceding anti-blocking groove inwall in the process that is thrown out of, and what these had all hindered impurity throws away (see figure 4) smoothly.Anti-blocking groove 30 designs were the shape of big or small shape before present embodiment was incited somebody to action, and met the action direction (see figure 5) of the power that throws away (also being centrifugal force) that is applied on the impurity fully, and the process of throwing away is carried out smoothly.
For the degree of depth of preceding anti-blocking groove and the dimension scale of import and outlet, present embodiment clearly limits, and when the said pulp pump of present embodiment being used for the paper pulp conveying, the technician can carry out suitable regulation and control to these two parameters according to concrete conveying situation.
More than show and described the advantage of basic principle, major character and the utility model of the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; The utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (10)
1. pulp pump; Comprise the pump housing, in the pump housing before the wear-resisting lining papers of wear-resisting lining papers and back, the impeller in preceding wear-resisting lining papers and back between the wear-resisting lining papers, with impeller through the motor part that impeller shaft is connected, it is characterized in that said before the relative side of wear-resisting lining papers with impeller be provided with before anti-blocking groove.
2. a kind of pulp pump according to claim 1, it is characterized in that said before anti-blocking groove comprise be arranged on before on the wear-resisting lining papers outer shroud outlet and be arranged on before the import on the ring in the wear-resisting lining papers.
3. a kind of pulp pump according to claim 2 is characterized in that said outlet is bigger than the size of import.
4. a kind of pulp pump according to claim 2 is characterized in that anti-blocking slot cross-section evenly reduces to size along being exported to the importer gradually before said.
5. a kind of pulp pump according to claim 1, it is characterized in that said before anti-blocking groove be symmetrically distributed in the relative side of preceding wear-resisting lining papers with impeller.
6. a kind of pulp pump according to claim 1 is characterized in that the relative side with impeller of the said wear-resisting lining papers in back is provided with the anti-blocking groove in back.
7. a kind of pulp pump according to claim 6 is characterized in that the anti-blocking groove in said back comprises to be arranged on the outlet on the wear-resisting lining papers outer shroud in back and to be arranged on the import on the ring in the wear-resisting lining papers in back.
8. a kind of pulp pump according to claim 7 is characterized in that said outlet is bigger than the size of import.
9. a kind of pulp pump according to claim 7 is characterized in that the anti-blocking slot cross-section in said back evenly reduces to size along being exported to the importer gradually.
10. a kind of pulp pump according to claim 6, the relative side with impeller of wear-resisting lining papers is symmetrically distributed in the back to it is characterized in that the anti-blocking groove in said back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205692373U CN202483955U (en) | 2011-12-30 | 2011-12-30 | Pulp pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205692373U CN202483955U (en) | 2011-12-30 | 2011-12-30 | Pulp pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202483955U true CN202483955U (en) | 2012-10-10 |
Family
ID=46958381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205692373U Expired - Lifetime CN202483955U (en) | 2011-12-30 | 2011-12-30 | Pulp pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202483955U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649997A (en) * | 2015-12-30 | 2016-06-08 | 安徽安龙机械有限公司 | Wear-resisting cassava alcohol pump |
| CN105673513A (en) * | 2015-12-30 | 2016-06-15 | 安徽安龙机械有限公司 | Shear type self-sucking pump |
-
2011
- 2011-12-30 CN CN2011205692373U patent/CN202483955U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649997A (en) * | 2015-12-30 | 2016-06-08 | 安徽安龙机械有限公司 | Wear-resisting cassava alcohol pump |
| CN105673513A (en) * | 2015-12-30 | 2016-06-15 | 安徽安龙机械有限公司 | Shear type self-sucking pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121010 |
|
| CX01 | Expiry of patent term |