CN109681438A - Self-adjustable mixing pump - Google Patents
Self-adjustable mixing pump Download PDFInfo
- Publication number
- CN109681438A CN109681438A CN201811615626.8A CN201811615626A CN109681438A CN 109681438 A CN109681438 A CN 109681438A CN 201811615626 A CN201811615626 A CN 201811615626A CN 109681438 A CN109681438 A CN 109681438A
- Authority
- CN
- China
- Prior art keywords
- counter balance
- balance pocket
- pump
- axis
- impeller
- 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
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/106—Shaft sealings 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing 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
- F04D31/00—Pumping liquids and elastic fluids at the same time
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to centrifugation pump technical fields, more particularly to the self-adjustable mixing pump suitable for conveying air content or the higher medium of solid content.The counter balance pocket of annular is provided on pump cover of the invention；Axis is loaded in parts of bearings cabinet after passing through the counter balance pocket on pump cover by parts of bearings；Seal member is housed between axis and counter balance pocket.Impeller is equipped with gas-liquid separation hole, introduces gas into counter balance pocket and drains, and has gas-liquid separation, from degassing function；The back designs of impeller have back blade.Balanced interface is provided on the side wall of counter balance pocket, Balanced interface is connect with entrance tank gas phase.Processing is sealed by seal member between counter balance pocket and axis.Technical solution of the present invention is solved in the higher medium of conveying air content, the problem of in the prior art because of accumulated gas at impeller eye, so that can not form vacuum state at impeller eye, and causing medium that can not suck, form cutout.
Description
Technical field
The present invention relates to centrifugation pump technical fields, more particularly to suitable for convey air content or the higher medium of solid content oneself
Mode mixing pump.
Background technique
If Ordinary Centrifugal Pumps impeller conveys air content higher medium, due to the quality very little of gas, generation from
Mental and physical efforts are very small, so reaching a certain level in impeller eye meeting accumulated gas, cannot form vacuum, medium in impeller eye
Also it just can not inhaling, so that the phenomenon that stops occur, pump also just be can not work normally, the case where use especially as unloading pump
Under, in latter stage of unloading, often it will appear entrainment of gas in liquid phase, or even there is a situation where evacuating, Ordinary Centrifugal Pumps, which will appear, embraces
The failure extremely shut down.
When the higher or toxic medium of conveying solid content, sealing service life is short, maintenance is frequent, especially toxic Jie
Matter, once bad seals, it may appear that safety problem.
For it is above-mentioned the problems of in the prior art, a kind of novel self-adjustable mixing pump of researching and designing, thus gram
Clothes are the problems of in the prior art very necessary.
Summary of the invention
According to set forth above when conveying the higher medium of air content, existing centrifugal pump as gas centrifuge force it is small caused by
The technical issues of accumulated gases can not form vacuum in impeller eye, and medium suction does not come up and generates cutout, and provide one kind certainly
Mode mixing pump.The present invention mainly utilizes the counter balance pocket and Balanced interface structure added on pump cover, Balanced interface and entrance tank gas
It is connected, the gas a part gathered at impeller eye returns to entrance after entering counter balance pocket by the gas-liquid separation hole on impeller
Tank, a part are taken away by medium；And due to being connected with entrance tank gas phase, guarantee that pressure is always maintained at greater than Jie at impeller eye
The full conjunction vapour pressure of matter at such a temperature, at this moment for cavitation of pump close to zero, pump forms Communicating device with Both inlet reservoirs, and liquid level is high
Potential energy possessed by difference is the power of liquid flowing, and flow is according to the highly automated adjusting of tank level, until pot liquid will be stored up
It empties completely, structure of the invention and rigid design allow to dally, and the failure of locking shutdown will not occur；In conveying solid substance particle
When the higher or toxic medium of content, seal member uses dynamic seal+mechanical seal (or magnet fluid sealing), effective to extend
The service life of sealing realizes medium zero leakage.
The technological means that the present invention uses is as follows:
A kind of self-adjustable mixing pump, comprising: the pump housing, impeller, pump cover, axis, parts of bearings cabinet and parts of bearings；Impeller dress
It is packaged in the pump housing in the bottom of axis, and by pump cover, axis is by parts of bearings loaded in parts of bearings cabinet；The pump housing, pump cover
It is fastened together with parts of bearings cabinet by stud, nut；It is characterized in that, being provided with annular on the pump cover
Counter balance pocket；Axis is loaded in parts of bearings cabinet after passing through the counter balance pocket on pump cover by parts of bearings；It is filled between axis and counter balance pocket
There is seal member.
Further, impeller is equipped with gas-liquid separation hole, introduces gas into counter balance pocket and drains, and has gas-liquid separation, arranges certainly
Airway dysfunction；The back designs of impeller have back blade.
Further, Balanced interface is provided on the side wall of counter balance pocket, Balanced interface is connect with entrance tank gas phase.
Further, processing is sealed by seal member between counter balance pocket and axis.
Further, seal member is in such a way that dynamic seal and mechanical seal (or magnet fluid sealing) combine；Stop
Mechanical seal (or magnet fluid sealing) is worked when pump, realizes No leakage；When pump work, dynamic seal plays a major role, mechanical
(or magnet fluid sealing) is sealed not with media contact, therefore the medium more or toxic containing solid particle can be conveyed.
In actual use, pump cover is installed between the pump housing and parts of bearings cabinet, by stud, nut by the pump housing and axis
The connection of bearing portion part cabinet, makes pump cover be held on centre, and the Balanced interface being arranged on pump cover is connected with entrance tank gas phase, forms one
Linker, flow are voluntarily adjusted with the variation of liquid level height difference H in entrance tank, and potential energy possessed by height difference H is liquid flowing
Power, it is equal with the loss that liquid flows in pumping intake piping, since loss in tube is directly proportional to flow, so with height difference
The reduction of H, flow also reduce therewith, and when height difference is zero, then flow is zero, until storage tank is emptied；When conveying air content compared with
When high medium, a part of gas enters counter balance pocket by the gas-liquid separation hole on impeller, drains finally by Balanced interface, one
Part is taken away by medium itself, realizes the continuous operation for guaranteeing pump from degassing function；It is empty to guarantee that pump allows for rotor rigid design
Turn；Seal member is combined with mechanical seal (or magnet fluid sealing) using dynamic seal (back blade at impeller back), when termination of pumping
Mechanical seal (or magnet fluid sealing) is worked, and blocks dielectric leakage into atmosphere, realizes No leakage；When pump work, power is close
Close main function, provide dynamic back-pressure by the back blade of impeller and seal medium, mechanical seal (or magnet fluid sealing) not with Jie
Matter contact, improves the use condition of mechanical seal (or magnet fluid sealing), prolongs the service life, therefore can convey containing solid
Grain more medium or poisonous medium.
Compared with the prior art, the invention has the following advantages that
1, self-adjustable mixing pump provided by the invention, by the counter balance pocket and Balanced interface being arranged on pump cover, wherein balancing
Interface is connect with storage tank gas phase, so that pump is provided with the function of flow automatic adjustment, is realized the performance of storage tank emptying, is worked as medium
When air content is higher, a portion gas can be drained by the counter balance pocket that the gas-liquid separation hole on impeller enters on pump cover, and one
Part is taken away by medium itself, realizes from degassing function, and since Balanced interface is connected with entrance tank gas phase, guarantees that impeller enters
Pressure is always maintained at the full conjunction vapour pressure greater than medium at such a temperature at mouthful, and at this moment cavitation of pump is close to zero, thus not
It can cavitate, flow is automatically adjusted with the variation of liquid level height difference, is emptied completely until pot liquid will be stored up, knot of the invention
Structure and rigid design allow to dally, and the failure of locking shutdown will not occur.
2, self-adjustable mixing pump provided by the invention, by setting by dynamic seal (impeller back is provided with back blade) with
The seal member that mechanical seal (or magnet fluid sealing) combines, so that pump is provided with the function of secondary seal, realizing can be with
Convey the function of the more or toxic medium containing solid particle.
4, self-adjustable mixing pump provided by the invention can satisfy storage tank emptying, low cavitation erosion requirement, gas-liquid delivery and conveying
Containing the more or toxic mixture condition requirement of solid particle.
To sum up, applying the technical scheme of the present invention, it is in the prior art in the biggish medium of conveying air content to solve,
Because of accumulated gas at impeller eye, so that impeller eye can not form vacuum state, and cause medium that can not suck, forms cutout
The problem of, especially as unloading pump use in the case where, in latter stage of unloading, often will appear in liquid phase entrainment of gas, or even hair
The situation of light soy sauce sky, in this case, the present invention can permit gas-liquid delivery, idle running, and the failure for shutting down locking will not occur.
Due to the seal member of configuration secondary seal combination, machine is effectively extended in the case where conveying is containing operating condition of the solid particle compared with multimedium
The service life of envelope, in the case where conveying poisonous medium, using dynamic seal+magnet fluid sealing, it can be achieved that medium zero leakage,
Run more secure and reliable.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is use state diagram of the present invention.
In figure: 1, the pump housing 2, impeller 2.1,2.2 gas-liquid separation hole 4 of back blade, pump cover 5, counter balance pocket 3, balance connect
Mouth 6, seal member 7, axis 8, parts of bearings cabinet 9, parts of bearings.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.It is real to the description of at least one exemplary embodiment below
It is merely illustrative on border, never as to the present invention and its application or any restrictions used.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to exemplary embodiments of the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be clear that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.Technology known for person of ordinary skill in the relevant, side
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention: the noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under its device or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
Specific embodiment 1
As shown, the present invention provides one kind as shown, the present invention provides a kind of self-adjustable mixing pumps, comprising:
The pump housing 1, impeller 2, pump cover 4, axis 7, parts of bearings cabinet 8 and parts of bearings 9；The back designs of impeller 2 have back blade 2.1, leaf
It is additionally provided with gas-liquid separation hole 2.2 on wheel 2, counter balance pocket is introduced gas into and drains, there is gas-liquid separation, from degassing function.Impeller 2 fills
It is packaged in the pump housing 1 in the bottom of axis 7, and by pump cover 4, axis 7 is by parts of bearings 9 loaded in parts of bearings cabinet 8；The pump housing
1, pump cover 4 and parts of bearings cabinet 8 are fastened together by stud, nut；It is characterized in that, being set on the pump cover 4
It is equipped with the counter balance pocket 5 of annular；Axis 7 is loaded in parts of bearings cabinet 8 after passing through the counter balance pocket 5 on pump cover 4 by parts of bearings 9；
Seal member 6 is housed between axis 7 and counter balance pocket 5.
Balanced interface 3 is provided on the side wall of counter balance pocket 5, Balanced interface 3 is connect with entrance tank gas phase；Counter balance pocket 5 and axis 7
Between processing is sealed by seal member 6；Seal member 6 is in such a way that dynamic seal and mechanical seal combine；Stop
Mechanical seal is worked when pump, realizes No leakage；When pump work, dynamic seal plays a major role, and mechanical seal does not connect with medium
Touching, therefore the medium more or toxic containing solid particle can be conveyed.
Specific embodiment 2
As shown, the present invention provides a kind of self-adjustable mixing pumps, comprising: the pump housing 1, impeller 2, pump cover 4, axis 7, bearing
Component cabinet 8 and parts of bearings 9；The back designs of impeller 2 have back blade 2.1, and gas-liquid separation hole 2.2 is additionally provided on impeller 2, will
Gas imports counter balance pocket and drains, and has gas-liquid separation, from degassing function.Impeller 2 is loaded on the bottom of axis 7, and is encapsulated by pump cover 4
In in the pump housing 1, axis 7 is by parts of bearings 9 loaded in parts of bearings cabinet 8；The pump housing 1, pump cover 4 and parts of bearings cabinet 8 pass through
Stud, nut are fastened together；It is characterized in that, being provided with the counter balance pocket 5 of annular on the pump cover 4；Axis 7 passes through pump
By parts of bearings 9 loaded in parts of bearings cabinet 8 after counter balance pocket 5 on lid 4；Seal member is housed between axis 7 and counter balance pocket 5
6。
Balanced interface 3 is provided on the side wall of counter balance pocket 5, Balanced interface 3 is connect with entrance tank gas phase；Counter balance pocket 5 and axis 7
Between processing is sealed by seal member 6；Seal member 6 is in such a way that dynamic seal and magnet fluid sealing combine；
Magnet fluid sealing works when termination of pumping, realizes No leakage；When pump work, dynamic seal plays a major role, magnet fluid sealing not with
Media contact, therefore the medium more or toxic containing solid particle can be conveyed.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (7)
1. a kind of self-adjustable mixing pump, comprising: the pump housing (1), impeller (2), pump cover (4), axis (7), parts of bearings cabinet (8) and axis
Bearing portion part (9)；Impeller (2) is loaded on the bottom of axis (7), and is packaged in the pump housing (1) by pump cover (4), and axis (7) passes through bearing portion
Part (9) is loaded in parts of bearings cabinet (8)；The pump housing (1), pump cover (4) and parts of bearings cabinet (8) are fastened by stud, nut
It links together；It is characterized in that, being provided with the counter balance pocket (5) of annular on the pump cover (4)；Axis (7) passes through on pump cover (4)
Counter balance pocket (5) afterwards by parts of bearings (9) loaded in parts of bearings cabinet (8)；Equipped with close between axis (7) and counter balance pocket (5)
It seals component (6).
2. self-adjustable mixing pump according to claim 1, which is characterized in that the impeller (2) is equipped with gas-liquid separation
Hole (2.2), introduces gas into counter balance pocket and drains, and has gas-liquid separation, from degassing function.
3. self-adjustable mixing pump according to claim 2, which is characterized in that the back designs of the impeller (2) have back
Blade (2.1).
4. self-adjustable mixing pump according to claim 1, which is characterized in that be arranged on the side wall of the counter balance pocket (5)
Have Balanced interface (3), Balanced interface (3) is connect with entrance tank gas phase.
5. self-adjustable mixing pump according to claim 4, which is characterized in that lead between the counter balance pocket (5) and axis (7)
It crosses seal member (6) and is sealed processing.
6. self-adjustable mixing pump according to claim 5, which is characterized in that the seal member (6) is close using power
The mode that envelope and mechanical seal combine；Mechanical seal is worked when termination of pumping, realizes No leakage；When pump work, dynamic seal is risen
Main function, mechanical seal with media contact, therefore can not convey the medium more or toxic containing solid particle.
7. self-adjustable mixing pump according to claim 5, which is characterized in that the seal member (6) is close using power
The mode that envelope and magnet fluid sealing combine；When termination of pumping or magnet fluid sealing works, and realizes No leakage；When pump work, power
Sealing plays a major role, and magnet fluid sealing with media contact, therefore can not convey the medium more or toxic containing solid particle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811615626.8A CN109681438A (en) | 2018-12-27 | 2018-12-27 | Self-adjustable mixing pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811615626.8A CN109681438A (en) | 2018-12-27 | 2018-12-27 | Self-adjustable mixing pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109681438A true CN109681438A (en) | 2019-04-26 |
Family
ID=66190739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811615626.8A Pending CN109681438A (en) | 2018-12-27 | 2018-12-27 | Self-adjustable mixing pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109681438A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848394A (en) * | 2019-11-29 | 2020-02-28 | 北京交通大学 | Back impeller-magnetic liquid combined sealing device for sealing liquid medium |
| CN114542785A (en) * | 2022-03-10 | 2022-05-27 | 中国计量大学 | Multifunctional air conditioner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06147182A (en) * | 1992-11-13 | 1994-05-27 | Mitsubishi Heavy Ind Ltd | Viscous fluid pump |
| CN104334885A (en) * | 2012-03-29 | 2015-02-04 | 伟尔矿物欧洲有限公司 | Froth pump and method |
| CN104500406A (en) * | 2014-11-14 | 2015-04-08 | 宁波李氏实业有限公司 | Coating pump |
| CN104879302A (en) * | 2015-04-15 | 2015-09-02 | 安徽三联泵业股份有限公司 | Centrifugal pump for pipeline delivery |
| CN206448958U (en) * | 2017-01-22 | 2017-08-29 | 广州市拓道流体设备技术有限公司 | Foam pump and foam delivery system |
| CN207111446U (en) * | 2017-09-05 | 2018-03-16 | 大连利欧华能泵业有限公司 | Self-adjustable mixing pump |
-
2018
- 2018-12-27 CN CN201811615626.8A patent/CN109681438A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06147182A (en) * | 1992-11-13 | 1994-05-27 | Mitsubishi Heavy Ind Ltd | Viscous fluid pump |
| CN104334885A (en) * | 2012-03-29 | 2015-02-04 | 伟尔矿物欧洲有限公司 | Froth pump and method |
| CN104500406A (en) * | 2014-11-14 | 2015-04-08 | 宁波李氏实业有限公司 | Coating pump |
| CN104879302A (en) * | 2015-04-15 | 2015-09-02 | 安徽三联泵业股份有限公司 | Centrifugal pump for pipeline delivery |
| CN206448958U (en) * | 2017-01-22 | 2017-08-29 | 广州市拓道流体设备技术有限公司 | Foam pump and foam delivery system |
| CN207111446U (en) * | 2017-09-05 | 2018-03-16 | 大连利欧华能泵业有限公司 | Self-adjustable mixing pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848394A (en) * | 2019-11-29 | 2020-02-28 | 北京交通大学 | Back impeller-magnetic liquid combined sealing device for sealing liquid medium |
| CN114542785A (en) * | 2022-03-10 | 2022-05-27 | 中国计量大学 | Multifunctional air conditioner |
| CN114542785B (en) * | 2022-03-10 | 2024-05-07 | 中国计量大学 | Multifunctional air conditioner |
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Application publication date: 20190426 |
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| RJ01 | Rejection of invention patent application after publication |