CN110043508A - A kind of filled-type high-temperature pump with two-pack impeller - Google Patents
A kind of filled-type high-temperature pump with two-pack impeller Download PDFInfo
- Publication number
- CN110043508A CN110043508A CN201910257131.0A CN201910257131A CN110043508A CN 110043508 A CN110043508 A CN 110043508A CN 201910257131 A CN201910257131 A CN 201910257131A CN 110043508 A CN110043508 A CN 110043508A
- Authority
- CN
- China
- Prior art keywords
- impeller
- pump
- pump case
- filled
- case
- 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
- 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
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/126—Shaft sealings using sealing-rings 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
-
- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/5893—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps heat insulation or conduction
-
- 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
- F04D7/06—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being hot or corrosive, e.g. liquid metals
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
It the invention discloses a kind of filled-type high-temperature pump with two-pack impeller, including the pump housing, is set to and pumps intracorporal pump shaft and bearing, further include impeller body, the first accessory impeller, sealing structure, interior pump case and outer pump case.A kind of filled-type high-temperature pump with two-pack impeller of the present invention reduces sealing side pressure by the way that two accessory impellers are arranged in the pump housing, to make packing seal also can be suitably used for special media, i.e. in the case where seal chamber pressure reduction, the mechanical seal of higher cost is changed to packing seal, it reduces costs, and can guarantee the reliability of sealing.In addition, the present invention by be arranged between outer pump case and interior pump case it is heat-insulated pour material, be suitable for using under no-cooling-water cooling conditions, while good to the heat insulation and preservation effect of medium, can be reduced the heat loss of medium.
Description
Technical field
The present invention relates to high temperature pump technical fields, and in particular to a kind of filled-type high-temperature pump with two-pack impeller.
Background technique
High-temperature pump is used in high-temperature medium, and the pump case of existing high-temperature pump is integrally formed by metal, high-temperature medium from
Enter in the through-hole of pump case, heat transmits from inside to outside from pump case.Since medium temperature is higher, need to drop the temperature of pump case
Temperature, otherwise high temperature is once transferred to outside pump case, will affect the normal use of pump.General high-temperature pump is all to use to cool down
Heart support, cooling water temperature structure, that is, cooling is realized using the mode outside cool water shower pump case.But at certain
In a little situations, cooling water temperature can not be provided by pumping the scene used.
In addition, pumping intracorporal sealing means is generally divided into mechanical seal and packing seal two ways.Due to seal chamber pressure
Power is higher, and especially for certain special medias, for example chemical industry encounters that viscosity is higher or high temperature is toxic perishable etc. is situated between
Matter generallys use the mode of mechanical seal then to guarantee the reliability of sealing.But that there are auxiliary systems is complicated, right for mechanical seal
Live use environment requires problem high, that use cost is high.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of filled-type high-temperature pumps with two-pack impeller.
In order to achieve the above objectives, the invention provides the following technical scheme:
A kind of filled-type high-temperature pump with two-pack impeller of the present invention, including the pump housing, be set to and pump intracorporal pump shaft and bearing,
It further include impeller body, the first accessory impeller, sealing structure, interior pump case and outer pump case.
The impeller body, the first accessory impeller and packing seal structure are set in the pump housing and are sequentially coaxially sleeved on described
On pump shaft；The impeller is set to the end of the pump shaft close to the entrance of the pump housing, and positive blade and the are equipped on the impeller body
Two accessory impellers, entrance of the positive blade close to the pump housing.
The interior pump case and the outer pump case are fixed at the end of the pump housing, the outer pump case close to the impeller body
Set on the outside of the interior pump case；Along the center line of the interior pump case and the outer pump case be equipped with the impeller body it is coaxial lead to
Hole；Material is poured filled with heat-insulated between the interior pump case and the outer pump case.
Further, second accessory impeller is located at the one end of the impeller body far from pump housing entrance；First accessory lobes
Wheel is set between the impeller body and the packing seal structure.
Further, it is equipped with the first wheel chamber and the second wheel chamber in the pump housing, is respectively used to described in receiving
Impeller and the first good fortune impeller.
Further, the packing seal structure includes seal chamber, is filled with airtight and watertight padding in the seal chamber.
The beneficial effects of the present invention are: a kind of filled-type high-temperature pump with two-pack impeller of the present invention passes through in the pump housing
Two accessory impellers are set to reduce sealing side pressure, to make packing seal also can be suitably used for special media, i.e., in seal chamber pressure drop
In the case where low, the mechanical seal of higher cost is changed to packing seal, is reduced costs, and can guarantee the reliability of sealing.
In addition, the present invention by be arranged between outer pump case and interior pump case it is heat-insulated pour material, be suitable under no-cooling-water cooling conditions
It uses, while good to the heat insulation and preservation effect of medium, can be reduced the heat loss of medium.
Detailed description of the invention
In order to keep the purpose of the present invention, technical scheme and beneficial effects clearer, the present invention provides following attached drawing and carries out
Illustrate:
Fig. 1 is a kind of filled-type high-temperature pump schematic structural cross-sectional view with two-pack impeller of the present invention.
In figure, 1 is the pump housing, and 2 be pump shaft, and 3 be bearing, and 4 be impeller body, and 5 be the first accessory impeller, and 6 be packing seal structure,
7 be interior pump case, and 8 be outer pump case, and 41 are positive blade, and 42 be the second accessory impeller, and 9 pour material to be heat-insulated.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, so that those skilled in the art can be with
It better understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in Figure 1, a kind of filled-type high-temperature pump with two-pack impeller of the present invention, including the pump housing 1, it is set in the pump housing 1
Pump shaft 2 and bearing 3.In the present embodiment, the other component of the pump housing 1, the pump shaft 2 in the pump housing 1 and bearing 3 and pump
The structure and working principle of itself can use existing design, and so it will not be repeated.
In the present embodiment, the filled-type high-temperature pump with two-pack impeller further includes impeller body 4, the first accessory impeller 5, fills out
Expect sealing structure 6, interior pump case 7 and outer pump case 8.
Impeller body 4, the first accessory impeller 5 and packing seal structure 6 are set in the pump housing 1 and are sequentially coaxially sleeved on pump shaft 2；
Impeller is set to the end of pump shaft 2 close to the entrance of the pump housing 1, and positive blade 41 and the second accessory impeller 42, positive leaf are equipped on impeller body 4
Entrance of the piece 41 close to the pump housing 1.
Interior pump case 7 and outer pump case 8 are fixed at the end of the pump housing 1 close to impeller body 4, and outer pump case 8 is set to the outer of interior pump case 7
Face.It is equipped with the through-hole coaxial with impeller body 4 along the center line of interior pump case 7 and outer pump case 8, the entrance that through-hole forms the pump housing 1 is used for
High-temperature medium flows into.Spacing is kept between interior pump case 7 and outer pump case 8, is poured between interior pump case 7 and outer pump case 8 filled with heat-insulated
Build material 9.
In the present embodiment, the heat-insulated material 9 that pours fills up between interior pump case 7 and outer pump case 8, to prevent high-temperature medium
Heat is transferred on outer pump case 8 from interior pump case 7, is thus not only carried out external pump case 8 without using cooling water and is cooled down, while can also prevent
The only heat loss of medium.
In the present embodiment, the heat-insulated material 9 that pours refers to the material made of the material for having heat insulation, can be used
Existing heat-barrier material, as long as having heat insulation.
Second accessory impeller 42 is located at the one end of impeller body 4 far from 1 entrance of the pump housing；First accessory impeller 5 is set to impeller body 4 and fills out
Expect between sealing structure 6.
It is equipped with the first wheel chamber and the second wheel chamber in the pump housing 1, is respectively used to accommodate impeller and the first good fortune impeller.
Packing seal structure 6 includes seal chamber, and airtight and watertight padding is filled in seal chamber.
In the present embodiment, positive blade 41, accessory impeller itself structure existing blade impeller structure can be used, so
Place repeats no more.
Medium enters from 1 left hand inlet port of the pump housing, is sucked by positive blade 41, and most of medium is from the outlet above the pump housing 1
Outflow.It is at this time the side pressure increase where sealing structure on the right side of impeller body 4, certain media can pass through gap due to pressure difference
Into the side where sealing structure.But the presence of the two-pack impeller formed due to the first accessory impeller 5 and the second accessory impeller 42,
To offset positive 41 bring pressure of blade, thus the pressure of balancing axial thrust and the reduction side, to reduce the pressure of seal chamber.This
When, since two accessory impellers exist simultaneously, although be the lower packing seal structure 6 of cost, can still make pump be applicable in
In viscosity is higher or toxic perishable equal media, and reliability with higher.
A kind of filled-type high-temperature pump with two-pack impeller of the present invention is close to reduce by the way that two accessory impellers are arranged in the pump housing 1
Side pressure is sealed, to make packing seal also can be suitably used for special media, i.e., in the case where seal chamber pressure reduction, by higher cost
Mechanical seal be changed to packing seal, reduce costs, and can guarantee the reliability of sealing.Meanwhile the present invention by pumping outside
Be arranged between shell 8 and interior pump case 7 it is heat-insulated pour material 9, be suitable for using under no-cooling-water cooling conditions, at the same to medium every
Hot heat insulation effect is good, can be reduced the heat loss of medium.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in the present invention
Protection scope within.Protection scope of the present invention is subject to claims.
In the description of the present invention, it is to be understood that, if occur term " center ", " longitudinal direction ", " transverse direction ", "upper",
The orientation or position of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitation of the present invention.In addition, being used for description purposes only if there is term " first ", " second " etc., and cannot understand
For indication or suggestion relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " etc. can explicitly or implicitly include one or more of the features.In the description of the present invention, it removes
Non- to be otherwise noted, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, if there is term " peace
Dress ", " connected ", " connection ", shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or one
Ground connection；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, it can be the connection inside two elements.For the ordinary skill in the art, can be understood by concrete condition
The concrete meaning of above-mentioned term in the present invention.
Claims (4)
1. a kind of filled-type high-temperature pump with two-pack impeller, including the pump housing, it is set to and pumps intracorporal pump shaft and bearing, feature exist
In: it further include impeller body, the first accessory impeller, packing seal structure, interior pump case and outer pump case；
The impeller body, the first accessory impeller and packing seal structure are set in the pump housing and are sequentially coaxially sleeved on the pump shaft
On；The impeller is set to the end of the pump shaft close to the entrance of the pump housing, and positive blade and the second pair are equipped on the impeller body
Impeller, entrance of the positive blade close to the pump housing；
The interior pump case and the outer pump case are fixed at the end of the pump housing close to the impeller body, and the outer pump case is set to
The outside of the interior pump case；The through-hole coaxial with the impeller body is equipped with along the center line of the interior pump case and the outer pump case；
Material is poured filled with heat-insulated between the interior pump case and the outer pump case.
2. the filled-type high-temperature pump according to claim 1 with two-pack impeller, it is characterised in that: second accessory impeller
One end positioned at the impeller body far from pump housing entrance；First accessory impeller is set to the impeller body and the packing seal knot
Between structure.
3. the filled-type high-temperature pump according to claim 2 with two-pack impeller, it is characterised in that: set in the pump housing
There are the first wheel chamber and the second wheel chamber, is respectively used to accommodate the impeller and the first good fortune impeller.
4. the filled-type high-temperature pump according to claim 2 with two-pack impeller, it is characterised in that: the packing seal knot
Structure includes seal chamber, is filled with airtight and watertight padding in the seal chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257131.0A CN110043508A (en) | 2019-04-01 | 2019-04-01 | A kind of filled-type high-temperature pump with two-pack impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257131.0A CN110043508A (en) | 2019-04-01 | 2019-04-01 | A kind of filled-type high-temperature pump with two-pack impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110043508A true CN110043508A (en) | 2019-07-23 |
Family
ID=67275781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910257131.0A Pending CN110043508A (en) | 2019-04-01 | 2019-04-01 | A kind of filled-type high-temperature pump with two-pack impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110043508A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898590A (en) * | 2021-11-09 | 2022-01-07 | 安徽银龙泵阀股份有限公司 | High-sealing self-sucking pump |
| CN117605710A (en) * | 2023-12-29 | 2024-02-27 | 江苏大学 | Cooling device for pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201412360Y (en) * | 2009-05-26 | 2010-02-24 | 辽阳庆阳化工设备有限公司 | High-temperature sulfuric acid pump |
| EP2236839B1 (en) * | 2009-04-04 | 2013-11-13 | Grundfos Management A/S | Centrifugal pump assembly |
| CN104632639A (en) * | 2014-12-30 | 2015-05-20 | 中国矿业大学 | Full-wall-face heating double-speed spiral pseudoplastic fluid pumping device and method |
| CN205182768U (en) * | 2015-10-28 | 2016-04-27 | 中国广州分析测试中心 | Laboratory heating device with double -deck thermal -insulated structure |
| CN207363959U (en) * | 2017-09-05 | 2018-05-15 | 江苏正驰机电有限公司 | Turbocharger air compressor shell heat-proof device |
-
2019
- 2019-04-01 CN CN201910257131.0A patent/CN110043508A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2236839B1 (en) * | 2009-04-04 | 2013-11-13 | Grundfos Management A/S | Centrifugal pump assembly |
| CN201412360Y (en) * | 2009-05-26 | 2010-02-24 | 辽阳庆阳化工设备有限公司 | High-temperature sulfuric acid pump |
| CN104632639A (en) * | 2014-12-30 | 2015-05-20 | 中国矿业大学 | Full-wall-face heating double-speed spiral pseudoplastic fluid pumping device and method |
| CN205182768U (en) * | 2015-10-28 | 2016-04-27 | 中国广州分析测试中心 | Laboratory heating device with double -deck thermal -insulated structure |
| CN207363959U (en) * | 2017-09-05 | 2018-05-15 | 江苏正驰机电有限公司 | Turbocharger air compressor shell heat-proof device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898590A (en) * | 2021-11-09 | 2022-01-07 | 安徽银龙泵阀股份有限公司 | High-sealing self-sucking pump |
| CN113898590B (en) * | 2021-11-09 | 2023-10-13 | 安徽银龙泵阀股份有限公司 | High-sealing self-priming pump |
| CN117605710A (en) * | 2023-12-29 | 2024-02-27 | 江苏大学 | Cooling device for pump |
| CN117605710B (en) * | 2023-12-29 | 2024-07-16 | 江苏大学 | Cooling device for pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20190723 |
|
| RJ01 | Rejection of invention patent application after publication |