CN108757480A - A kind of front pump cover separate type pulp pump - Google Patents
A kind of front pump cover separate type pulp pump Download PDFInfo
- Publication number
- CN108757480A CN108757480A CN201810547940.0A CN201810547940A CN108757480A CN 108757480 A CN108757480 A CN 108757480A CN 201810547940 A CN201810547940 A CN 201810547940A CN 108757480 A CN108757480 A CN 108757480A
- Authority
- CN
- China
- Prior art keywords
- pump
- pump cover
- cover
- pump housing
- housing
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
- F04D29/4273—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps suction eyes
Abstract
The invention discloses a kind of front pump cover separate type pulp pumps, including：The pump housing, front pump cover, rear pump cover, pump shaft and impeller, the output end of pump shaft is equipped with impeller and is stretched into the slurry channel of the pump housing across rear pump cover, the part that pump shaft stretches out the pump housing is supported on by bearing in suspension, suspension is connected by a hitch with rear pump cover, front pump cover is connected with the pump housing by bolt and is formed with slurry import on front pump cover, and the pump housing installs a wearing plate in the joint of front pump cover and the pump housing.The pulp pump of the present invention can easily replace anti abrasive front pump cover using the pump housing and front pump cover separation design, be not necessarily to detaching pipelines and the pump housing, greatly reduce maintenance time and maintenance cost, improve maintenance efficiency；Front pump cover can make slurry obtain gentle speed-raising in fill process from slurry import to the asymptotic undergauge of the internal diameter in pump housing direction, contribute to the promotion of equipment performance；In addition, front pump cover and wearing plate can be replaced according to actual production demand.
Description
Technical field
The present invention relates to a kind of pulp pumps, and in particular to a kind of front pump cover separate type pulp pump；Belong to paper making equipment technology
Field.
Background technology
Paper production is divided into two basic processes of slurrying and papermaking, wherein slurrying be exactly mechanically, chemical method or
Plant fiber material dissociation is become true qualities paper pulp or bleached pulp by the method that both persons are combined, and in process of production, is passed through
Pulp pump transports slurry, thus, pulp pump is a kind of common apparatus of field of papermaking.Existing pulp pump pump housing feed inlet
Under long-term negative pressure operating mode, slurry washes away frequently, is easily worn at pumping hole, and equipment performance is caused to decline, thus needs
The pump housing is inspected periodically and replaces, complicated for operation and cost is very high, influences production process.In consideration of it, it is necessary to the knots to pulp pump
Structure is improved.
Invention content
To solve the deficiencies in the prior art, the purpose of the present invention is to provide a kind of front pumps easy to maintenance, cost-effective
Lid separate type pulp pump.
In order to realize that above-mentioned target, the present invention adopt the following technical scheme that：
A kind of front pump cover separate type pulp pump, including：The pump housing, front pump cover, rear pump cover, pump shaft and impeller, the front pump cover and after
Pump cover is divided into the both ends of the pump housing, and the output end of the pump shaft is equipped with impeller and stretches into the slurry channel of the pump housing across rear pump cover
Interior, the part that the pump shaft stretches out the pump housing is supported on by bearing in suspension, and the suspension is connected by a hitch with rear pump cover
It connects, the front pump cover is connected with the pump housing by bolt and is formed with slurry import on front pump cover, and the pump housing is in front pump cover and pump
The joint of body is installed by one wearing plate.
Preferably, aforementioned impeller is half-opened impeller, and the blade quantity of impeller is three pieces or four, can be increased in this way
Flow channels, can smooth delivery of power be up to the fine slurry of 6% concentration, and suitable for containing a certain amount of gas medium.
It is highly preferred that aforementioned front pump cover is rotary structure, such structure is more conducive to the steady conveying of slurry.
More preferably, aforementioned front pump cover makes slurry feed from slurry import to the asymptotic undergauge of the internal diameter in pump housing direction
Gentle speed-raising is obtained in journey.
It is highly preferred that be additionally provided with an auxiliary port in front pump cover side, auxiliary port is equipped with lid, and when maintenance opens auxiliary port
On lid can easy cleaning pipeline blocking, it is extremely convenient without dismantling pipeline.
It is further preferred that aforementioned front pump cover is provided with a pair of of mounting ear, the installation in one end far from slurry import
It is formed with mounting hole on ear, is formed on the pump housing and is installed in the pump housing with the matched connection through-hole of mounting hole, wearing plate
The pump housing, front pump cover and wearing plate three are fixedly connected, unload bolt when needing replacing front pump cover by side, the bolt.
The invention has the beneficial effects that：The pulp pump of the present invention is using the pump housing and front pump cover separation design, Neng Goufang
Just anti abrasive front pump cover is replaced, detaching pipelines and the pump housing is not necessarily to, greatly reduces maintenance time and maintenance cost, improve
Maintenance efficiency has significant economic benefit；Front pump cover can make slurry from slurry import to the asymptotic undergauge of the internal diameter in pump housing direction
Material obtains gentle speed-raising in fill process, contributes to the promotion of equipment performance；In addition, front pump cover and wearing plate can bases
Actual production demand is replaced, and the versatility of the pulp pump is improved.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of front pump cover separate type pulp pump of the present invention；
Fig. 2 is the structural schematic diagram of Fig. 1 middle pump bodies；
Fig. 3 is the structural schematic diagram of front pump cover in Fig. 1.
The meaning of reference numeral in figure：1, the pump housing, 2, front pump cover, 3, rear pump cover, 4, pump shaft, 5, impeller, 6, suspension, 7, connection
Connect frame, 8, slurry import, 9, wearing plate, 10, auxiliary port, 11, mounting ear, 12, connection through-hole, 13, bearing.
Specific implementation mode
Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the present invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply opposite
Importance.
Referring to Fig. 1, pulp pump of the invention is front pump cover separate type pulp pump, including：The pump housing 1, front pump cover 2, rear pump cover
3, pump shaft 4 and impeller 5, front pump cover 2 and rear pump cover 3 are divided into the both ends of the pump housing 1, and pump shaft 4 stretches out the part of the pump housing 1 by bearing 13
It is supported in suspension 6, suspension 6 is connected by a hitch 7 with rear pump cover 3.Front pump cover 2 is to detach with the pump housing 1 of pulp pump
Formula designs, and is connected with the pump housing 1 by bolt and is formed with slurry import 8 on front pump cover 2, the pump housing 1 is in front pump cover 2 and the pump housing 1
Joint is also installed by one wearing plate 9.
The output end of pump shaft 4 is equipped with impeller 5 and is stretched into the slurry channel of the pump housing 1 across rear pump cover 3, and pump shaft 4 drives
The rotation of impeller 5 is to which slurry to be delivered in the pump housing 1, and impeller 5 is preferably half-opened impeller 5, and the blade quantity of impeller 5 is three
Piece or four, can increase flow channels in this way, can smooth delivery of power be up to the fine slurry of 6% concentration, and suitable for containing a certain amount of
Gas medium.
In the present embodiment, front pump cover 2 is rotary structure, and such structure is more conducive to the steady conveying of slurry.And
And as shown in figure 3, internal diameter asymptotic undergauge of the front pump cover 2 from slurry import 8 to 1 direction of the pump housing, makes slurry be obtained in fill process
To gentle speed-raising.Further, since front pump cover 2 is longer, therefore, an auxiliary port 10, auxiliary port 10 are additionally provided in 2 side of front pump cover
Be equipped with lid, open when maintenance lid on auxiliary port 10 can easy cleaning pipeline blocking, without dismantling pipeline, extremely
It is convenient.
As shown in Figures 2 and 3, front pump cover 2 is provided with a pair of of mounting ear 11, mounting ear in one end far from slurry import 8
It is formed with mounting hole on 11, is formed on the pump housing 1 and is installed in the pump housing 1 with the matched connection through-hole 12 of mounting hole, wearing plate 9
The pump housing 1, front pump cover 2 and 9 three of wearing plate are fixedly connected by side, bolt, and the structure after connection needs replacing front pump referring to Fig. 1
Bolt is unloaded when lid 2, but also different front pump covers 2 can be replaced according to actual product demand, moreover, wearing plate 9
It can replace, avoid 1 inner wall of the slurry frequent impact pump housing, play the role of the effective protection pump housing 1.
To sum up, pulp pump of the invention can be replaced easily wear-resistant using the pump housing 1 and 2 separation design of front pump cover
Front pump cover 2, be not necessarily to detaching pipelines and the pump housing 1, greatly reduce maintenance time and maintenance cost, improve maintenance efficiency, have
There is significant economic benefit；Internal diameter asymptotic undergauge of the front pump cover 2 from slurry import 8 to 1 direction of the pump housing, can be such that slurry is feeding
Gentle speed-raising is obtained in the process, contributes to the promotion of equipment performance；In addition, front pump cover 2 and wearing plate 9 can be according to practical lifes
Production demand is replaced, and the versatility of the pulp pump is improved.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiments or example in can be combined in any suitable manner.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way above-described embodiment, all to be obtained by the way of equivalent substitution or equivalent transformation
Technical solution is all fallen in protection scope of the present invention.
Claims (8)
1. a kind of front pump cover separate type pulp pump, which is characterized in that including：The pump housing, front pump cover, rear pump cover, pump shaft and impeller,
The front pump cover and rear pump cover are divided into the both ends of the pump housing, and the output end of the pump shaft is equipped with impeller and is stretched into across rear pump cover
In the slurry channel of the pump housing, the part that the pump shaft stretches out the pump housing is supported on by bearing in suspension, and the suspension passes through a connection
Frame is connected with rear pump cover, and the front pump cover is connected with the pump housing by bolt and is formed with slurry import, the pump on front pump cover
Body installs a wearing plate in the joint of front pump cover and the pump housing.
2. a kind of front pump cover separate type pulp pump according to claim 1, which is characterized in that the impeller is semi-open type leaf
Wheel.
3. a kind of front pump cover separate type pulp pump according to claim 2, which is characterized in that the blade quantity of the impeller
For three pieces or four.
4. according to a kind of front pump cover separate type pulp pump of claim 1-3 any one of them, which is characterized in that the front pump cover
For rotary structure.
5. a kind of front pump cover separate type pulp pump according to claim 4, which is characterized in that the front pump cover from slurry into
Internal diameter asymptotic undergauge of the mouth to pump housing direction.
6. a kind of front pump cover separate type pulp pump according to claim 5, which is characterized in that be additionally provided in front pump cover side
One auxiliary port.
7. a kind of front pump cover separate type pulp pump according to claim 5, which is characterized in that the front pump cover is far from slurry
One end of material import is provided with a pair of of mounting ear, and mounting hole is formed on the mounting ear, is formed with and installs on the pump housing
The matched connection through-hole in hole.
8. a kind of front pump cover separate type pulp pump according to claim 7, which is characterized in that wearing plate is installed in the pump housing
The pump housing, front pump cover and wearing plate three are fixedly connected by side, the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810547940.0A CN108757480A (en) | 2018-05-31 | 2018-05-31 | A kind of front pump cover separate type pulp pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810547940.0A CN108757480A (en) | 2018-05-31 | 2018-05-31 | A kind of front pump cover separate type pulp pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108757480A true CN108757480A (en) | 2018-11-06 |
Family
ID=64000976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810547940.0A Pending CN108757480A (en) | 2018-05-31 | 2018-05-31 | A kind of front pump cover separate type pulp pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108757480A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628104A (en) * | 2020-12-03 | 2021-04-09 | 三联泵业股份有限公司 | Plug type metering pump for removing particles |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69618678T3 (en) * | 1995-09-07 | 2007-08-02 | Kvaerner Pulping Ab | PUMP FOR FIBROUS SUSPENSIONS WITH MEANS FOR SEPARATING GAS FROM THE SUSPENSION |
| CN101922453A (en) * | 2010-08-06 | 2010-12-22 | 杭州振兴工业泵制造有限公司 | Pump for delivering long fiber pulp and coarse pulp |
| CN102661282A (en) * | 2012-04-16 | 2012-09-12 | 杭州萧山美特轻工机械有限公司 | Open type spiral paper pulp pump |
| CN104214106A (en) * | 2013-06-03 | 2014-12-17 | 江苏巨浪泵阀有限公司 | Single-stage single-suction centrifugal pulp pump |
| CN206487666U (en) * | 2017-01-11 | 2017-09-12 | 江苏巨浪泵阀有限公司 | Dual channel is without blocking pulp pump |
-
2018
- 2018-05-31 CN CN201810547940.0A patent/CN108757480A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69618678T3 (en) * | 1995-09-07 | 2007-08-02 | Kvaerner Pulping Ab | PUMP FOR FIBROUS SUSPENSIONS WITH MEANS FOR SEPARATING GAS FROM THE SUSPENSION |
| CN101922453A (en) * | 2010-08-06 | 2010-12-22 | 杭州振兴工业泵制造有限公司 | Pump for delivering long fiber pulp and coarse pulp |
| CN102661282A (en) * | 2012-04-16 | 2012-09-12 | 杭州萧山美特轻工机械有限公司 | Open type spiral paper pulp pump |
| CN104214106A (en) * | 2013-06-03 | 2014-12-17 | 江苏巨浪泵阀有限公司 | Single-stage single-suction centrifugal pulp pump |
| CN206487666U (en) * | 2017-01-11 | 2017-09-12 | 江苏巨浪泵阀有限公司 | Dual channel is without blocking pulp pump |
Non-Patent Citations (2)
| Title |
|---|
| 天津大学等院校合编: "《泵和压缩机》", 31 August 1961, 中国工业出版社 * |
| 沈阳水泵研究所: "《泵节能产品 引进产品 新产品样本》", 28 February 1994, 机械工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628104A (en) * | 2020-12-03 | 2021-04-09 | 三联泵业股份有限公司 | Plug type metering pump for removing particles |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181106 |
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| RJ01 | Rejection of invention patent application after publication |