CN107882748A - A kind of speciality paper vacuum system - Google Patents
A kind of speciality paper vacuum system Download PDFInfo
- Publication number
- CN107882748A CN107882748A CN201710919193.4A CN201710919193A CN107882748A CN 107882748 A CN107882748 A CN 107882748A CN 201710919193 A CN201710919193 A CN 201710919193A CN 107882748 A CN107882748 A CN 107882748A
- Authority
- CN
- China
- Prior art keywords
- return channel
- channel body
- casing
- blade
- vacuum system
- 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
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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
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
- F04D17/168—Pumps specially adapted to produce a vacuum
-
- 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
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid 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
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The present invention relates to a kind of speciality paper vacuum system,Including vavuum pump,The vavuum pump includes casing and the main shaft in casing,A plurality of impellers are equably installed on the main shaft in the casing,Working chamber is formed between impellers at different levels and the casing,Mutual UNICOM between each working chamber,The casing is provided with for the suction inlet of working chamber air-breathings at different levels and the outlet for holding working chamber outlet the most,Return channel is installed on main shaft between impellers at different levels,The return channel includes return channel body and a plurality of arc return channel blades being fixedly installed on the return channel body,Circumferencial direction of each return channel blade along return channel body is evenly arranged,The return channel body located between each return channel blade input is provided with short blade,The short blade is rotatably arranged on return channel body,The outer ring of the return channel body is provided with a connection ring,One end of each short blade is fixed in the connection ring.
Description
Technical field
The present invention relates to paper making equipment field, and in particular to a kind of speciality paper vacuum system.
Background technology
In paper manufacturing processes, generally need to use vacuum equipment in the process of many places.Under normal circumstances, if from
Water ring vacuum pump sets up vacuum system, and after often some vacuum phase near points are merged, more are selected according to different vacuum
Water ring vacuum pump sets up vacuum system.If setting up vacuum system from turbine vacuum pump, one or two or three is only needed to set
It is standby, then it can set up the vacuum system of relatively large paper machine.Both compare, higher with the integrated level of turbine vacuum pump, compare saving
Installing space.Chinese patent CN204940005U if authorized announcement date is on 01 06th, 2016 discloses a kind of utilize with true
Reciprocal of duty cycle adjusts the steam unit of Paper Moisture, and it is exactly to include vacuum using vacuum tank, vacuum tank in the use of vacuum equipment
House steward, vacuum manifold and vacuum chamber, vacuum manifold are connected by multiple vacuum manifolds with vacuum chamber, are inside vacuum chamber
Region of no pressure, the vacuum chamber inside are provided with multiple dividing plates, and region of no pressure is separated into multiple independent vacuum chambers, institute by multiple dividing plates
State on vacuum chamber, the bottom of each vacuum chamber is corresponding to be connected with a vacuum manifold；Vacuum manifold is provided with vacuum manifold control
Valve processed, vacuum manifold control valve is respectively equipped with each vacuum manifold.The vacuum level requirements difference of vacuum structure requirement everywhere is not
Greatly, the process that a variety of vacuum level requirements can not be tackled, and integrated connection pipeline is complex, equipment is excessive, increases to a certain extent
Input at initial stage and the artificial and use cost of later maintenance are added.
The content of the invention
Therefore, in view of the above-mentioned problems, the present invention provides a kind of efficiency and the higher speciality paper vacuum system of integrated level.
To reach above-mentioned purpose, the present invention is achieved by the following technical solutions：
A kind of speciality paper vacuum system, including vavuum pump, the vavuum pump include casing and the master in casing
Axle, a plurality of impellers are equably installed on the main shaft in the casing, formed between impellers at different levels and the casing
Working chamber, mutual UNICOM between each working chamber, the casing are provided with for the suction inlet of working chamber air-breathings at different levels and for the most
The outlet of working chamber outlet is held, return channel is installed on the main shaft between impellers at different levels, the return channel includes backflow
Device body and a plurality of arc return channel blades being fixedly installed on the return channel body, the backflow of each return channel blade edge
The circumferencial direction of device body is evenly arranged, and the return channel body located between each return channel blade input is provided with short leaf
Piece, the short blade are rotatably arranged on return channel body.
Preferably, the outer ring of the return channel body is provided with a connection ring, and one end of each short blade is fixed on the company
Connect on ring, the connection ring can be along the outer ring rotating of the return channel body.
Preferably, the middle part of the short blade is rotatably fixed on return channel body by screw, the short blade its
The lower end of middle one end end is provided with sliding block, and the return channel body is provided with the arc chute coordinated with the sliding block, the arc
Circumferencial direction distribution of the shape chute along the return channel body.
Preferably, the lower end of the short blade is provided with sliding block, offers on the return channel body and is mutually fitted with the sliding block
The arc chute matched somebody with somebody, described arc chute one end are connected to the outer ring of the return channel body, and the other end is to the return channel sheet
The center extension of body.
Preferably, more than two guide vanes are provided with the casing at the suction inlet, the guide vane is
Arcuate structure, suction passage is formed between each guide vane, the output end of suction passage is towards the input of next stage impeller.
Preferably, the inner ring of the return channel body is provided with a plurality of inner ring blades of annular spread, the inner ring leaf
Piece is arranged with return channel blade stagger.
Preferably, the casing is divided into upper casing and lower casing, and the upper casing on lower casing with being equipped with suction inlet.
By using preceding solution, the beneficial effects of the invention are as follows：The vacuum pump structure that the present invention uses, at one
Multiple suction inlets are set on shell, when the more vacuum positions of multiple spot extract, each suction inlet respectively with the required technique vacuumized
Equipment connects, and the vacuum that the working chamber residing for co-rotation but impeller at different levels is formed is different, is applicable to multiple vacuums
It is required that production equipment and technique in.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention one；
Fig. 2 is return channel structural representation in the embodiment of the present invention one；
Fig. 3 is enlarged drawing at A in Fig. 2；
Fig. 4 is the return channel structural representation of the embodiment of the present invention two.
Embodiment
Embodiments of the present invention are described in detail below with reference to specific embodiment, and how skill is applied to the present invention whereby
Art means solve technical problem, and the implementation process for reaching technique effect can fully understand and implement according to this.
Embodiment one
With reference to figure 1, Fig. 2 and Fig. 3, a kind of speciality paper vacuum system, including vavuum pump, the vavuum pump include casing 1 with
And the main shaft 2 in casing, in the present embodiment, main shaft 2 is driven by a motor, is set between main shaft 2 and motor
There is gear speedup case；A plurality of impellers 3 are equably installed on the main shaft in the casing 1 (only to represent in Fig. 1
Two impellers 3, the number of impeller 3 can be 2-5), working chamber 4, each working chamber 4 are formed between impeller 3 at different levels and the casing
Between mutual UNICOM, the casing 1 is provided with for the suction inlet 5 of the air-breathings of working chamber 4 at different levels and for the outlet of caudal end working chamber 4
Outlet, in the present embodiment, the casing 1 divides on upper casing 1a and lower casing 1b, the upper casing 1a and lower casing 1b
It is equipped with and uses suction inlet 5, by setting suction inlet 5, increase vavuum pump and the tie point for needing vacuum equipment, increases operation rate more；
Return channel is installed, the return channel includes return channel body 51 and fixed setting on the main shaft 2 between impellers 3 at different levels
12 arc return channel blades 52 on the return channel body 51, circle of each return channel blade 52 along return channel body 51
Circumferential direction is evenly arranged, and the return channel body 51 located between each input of return channel blade 52 is provided with short blade 53, institute
Short blade 53 is stated to be rotatably arranged on return channel body 51, set short blade 53, can when equipment low flow rate condition is run,
Prevent secondary back；The mounting structure of short blade 53 is improved simultaneously, it is adjustable to be located at the opening of return channel input,
And then the internal flow situation of return channel is adjusted, it can be adjusted according to the actual requirements in installation and debugging, flexibility is stronger.
In the present embodiment, the outer ring of the return channel body 51 is provided with a connection ring 54, and one end of each short blade 53 is consolidated
It is scheduled in the connection ring 54, the outer ring rotating that the connection ring 54 can be along the return channel body 51 and fixed position, connection
The fixed structure of ring 54 can have a variety of, can reach and rotate and the effect that is fixed on return channel body 51.
In the present embodiment, the middle part of the short blade 53 is rotatably fixed on return channel body 51 by screw 55, institute
The lower end for stating the wherein one end end of short blade 53 is provided with sliding block 56, and the return channel body 51 is provided with to be coordinated with the sliding block 56
Arc chute 57, the arc chute 57 along the return channel body 51 circumferencial direction distribution.Wherein, the screw 55
Medium position of the position between two return channel blades 52, each short blade 53 can be made by being rotatablely connected ring 54 with each screw 55
Centered on rotate, the input openings of sizes of regulation return channel blade 52.
In the present embodiment, more than two guide vanes 11 are provided with 5 casing 1 at the suction inlet, it is described to lead
It is arcuate structure to blade 11, suction passage is formed between each guide vane 11, the output end of suction passage is towards next stage
The input of impeller 3, specifically, the guide vane 11 is three, it is separately positioned in the casing 1 at two suction 5, for
The air for having just enter into working chamber 4 plays optimal drainage.
In the present embodiment, the inner ring of the return channel body 51 is provided with 12 inner ring blades 58 of annular spread, institute
State inner ring blade 58 and return channel blade 52 is staggered, the number of the inner ring blade 58 is identical with the number of short blade 53.
The present invention sets the same number of return channel blade and short blade, and both numbers can be set according to demand.Together
When, the present invention is not described for the remaining part on application vavuum pump such as diffuser, main shaft, bend, because it is existing
There is technology, do not repeat herein.
Embodiment two
With reference to figure 4, compared with embodiment one, the lower end of the short blade 53 is provided with sliding block 56, the return channel body 51
On offer the arc chute 57 being adapted with the sliding block 56, described one end of arc chute 57 is connected to the return channel body
51 outer ring, the other end extend to the center of the return channel body 51.In the present embodiment, because the structure of arc chute 57 is set
Put, when air enters return channel, it can also play certain backflow effect, while short blade is between two return channel blades 52
The length in runner formed also becomes adjustable, and the air flow in the runner further can be finely tuned, and adjustable
Width also further increases.
The vacuum pump structure that the present invention uses, multiple suction inlets are set on a shell, taken out in the more vacuum positions of multiple spot
When taking, each suction inlet is connected with the required process equipment vacuumized respectively, the working chamber residing for co-rotation but impeller at different levels
The vacuum formed is different, is applicable in the production equipment and technique of multiple vacuum level requirements.
Although specifically showing and describing the present invention with reference to preferred embodiment, those skilled in the art should be bright
In vain, do not departing from the spirit and scope of the present invention that appended claims are limited, in the form and details can be right
The present invention makes a variety of changes, and is protection scope of the present invention.
Claims (7)
1. a kind of speciality paper vacuum system, including vavuum pump, it is characterised in that：The vavuum pump includes casing and installed in machine
Main shaft in shell, a plurality of impellers, impellers at different levels and the machine are equably installed on the main shaft in the casing
Form working chamber between shell, mutual UNICOM between each working chamber, the casing be provided with suction inlet for working chamber air-breathings at different levels with
And the outlet of caudal end working chamber outlet is supplied, return channel, the return channel are installed on the main shaft between impellers at different levels
Including return channel body and a plurality of arc return channel blades being fixedly installed on the return channel body, each return channel leaf
Circumferencial direction of the piece along return channel body is evenly arranged, and is set on the return channel body located between each return channel blade input
There is short blade, the short blade is rotatably arranged on return channel body.
2. speciality paper vacuum system according to claim 1, it is characterised in that：The outer ring of the return channel body is provided with
One connection ring, one end of each short blade are fixed in the connection ring, and the connection ring can be along the outer ring of the return channel body
Rotate.
3. speciality paper vacuum system according to claim 2, it is characterised in that：The middle part of the short blade can by screw
Rotation is fixed on return channel body, and the lower end of the short blade wherein one end end is provided with sliding block, on the return channel body
Provided with the arc chute coordinated with the sliding block, circumferencial direction of the arc chute along the return channel body is set.
4. speciality paper vacuum system according to claim 2, it is characterised in that：The lower end of the short blade is provided with sliding block,
The arc chute being adapted with the sliding block is offered on the return channel body, described arc chute one end is connected to described return
The outer ring of device body is flowed, the other end extends to the center of the return channel body.
5. the speciality paper vacuum system according to any one of claim 1-4 claim, it is characterised in that：Positioned at described
It is provided with more than two guide vanes in casing at suction inlet, the guide vane is arcuate structure, between each guide vane
Suction passage is formed, the output end of suction passage is towards the input of next stage impeller.
6. the speciality paper vacuum system according to any one of claim 1-4 claim, it is characterised in that：The backflow
The inner ring of device body is provided with a plurality of inner ring blades of annular spread, and the inner ring blade is arranged with return channel blade stagger.
7. the speciality paper vacuum system according to any one of claim 1-4 claim, it is characterised in that：The casing
It is divided into upper casing and lower casing, the upper casing on lower casing with being equipped with suction inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710919193.4A CN107882748A (en) | 2017-09-30 | 2017-09-30 | A kind of speciality paper vacuum system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710919193.4A CN107882748A (en) | 2017-09-30 | 2017-09-30 | A kind of speciality paper vacuum system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107882748A true CN107882748A (en) | 2018-04-06 |
Family
ID=61781073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710919193.4A Pending CN107882748A (en) | 2017-09-30 | 2017-09-30 | A kind of speciality paper vacuum system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107882748A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022134930A1 (en) * | 2020-12-25 | 2022-06-30 | 广东美的白色家电技术创新中心有限公司 | Fan assembly and dust collector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5116198A (en) * | 1990-09-07 | 1992-05-26 | Ahlstrom Corporation | Centrifugal pumping apparatus |
| CN203098404U (en) * | 2013-01-30 | 2013-07-31 | 杭州振兴工业泵制造有限公司 | Multistage turbine vacuum pump detachable backflow device |
| CN204692189U (en) * | 2015-02-04 | 2015-10-07 | 浙江理工大学 | A kind of return channel with deviated splitter vane |
| CN106593899A (en) * | 2017-01-04 | 2017-04-26 | 江苏亚太工业泵科技发展有限公司 | VPSA large-capacity centrifugal vacuum pump |
-
2017
- 2017-09-30 CN CN201710919193.4A patent/CN107882748A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5116198A (en) * | 1990-09-07 | 1992-05-26 | Ahlstrom Corporation | Centrifugal pumping apparatus |
| CN203098404U (en) * | 2013-01-30 | 2013-07-31 | 杭州振兴工业泵制造有限公司 | Multistage turbine vacuum pump detachable backflow device |
| CN204692189U (en) * | 2015-02-04 | 2015-10-07 | 浙江理工大学 | A kind of return channel with deviated splitter vane |
| CN106593899A (en) * | 2017-01-04 | 2017-04-26 | 江苏亚太工业泵科技发展有限公司 | VPSA large-capacity centrifugal vacuum pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022134930A1 (en) * | 2020-12-25 | 2022-06-30 | 广东美的白色家电技术创新中心有限公司 | Fan assembly and dust collector |
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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 | ||
| AD01 | Patent right deemed abandoned | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20200508 |