CN207647791U - A kind of cavitation-preventive pipeline pump - Google Patents

A kind of cavitation-preventive pipeline pump Download PDF

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Publication number
CN207647791U
CN207647791U CN201721513182.8U CN201721513182U CN207647791U CN 207647791 U CN207647791 U CN 207647791U CN 201721513182 U CN201721513182 U CN 201721513182U CN 207647791 U CN207647791 U CN 207647791U
Authority
CN
China
Prior art keywords
pump housing
water
flange
pump
bearing
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.)
Expired - Fee Related
Application number
CN201721513182.8U
Other languages
Chinese (zh)
Inventor
吉乐涵
顾军正
许林
尤逸超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Ocean University ZJOU
Original Assignee
Zhejiang Ocean University ZJOU
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Ocean University ZJOU filed Critical Zhejiang Ocean University ZJOU
Priority to CN201721513182.8U priority Critical patent/CN207647791U/en
Application granted granted Critical
Publication of CN207647791U publication Critical patent/CN207647791U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of cavitation-preventive pipeline pumps,Including motor,Motor cabinet,The pump housing,First gasket seal,Water-output flange,The second gasket seal of water-in flange,The motor bottom is equipped with motor cabinet,The motor cabinet bottom is equipped with the pump housing,Motor cabinet is connect with the pump housing by way of screw thread,Water-in flange is equipped on the right side of the pump housing,The second gasket seal is equipped between the water-in flange and the pump housing,The pump housing bottom is equipped with water-output flange,The first gasket seal is equipped between the water-output flange and the pump housing,Go out the pump body and is equipped with bearing,Shaft,Impeller,Mechanical seal set and outlet pipe,A kind of cavitation-preventive pipeline pump,By being equipped with epoxy resin and short tube and Al-alloy metal powder in equipment,Service life of equipment can effectively be extended,It can effectively prevent gas attack,The utility model infrastructure cost is low,Use easy to spread.

Description

A kind of cavitation-preventive pipeline pump
Technical field
The utility model is related to pipeline pump technical field, specially a kind of cavitation-preventive pipeline pump.
Background technology
Pipeline pump is one kind of single-suction single-stage or centrifugal multistage pump multiple centrifugal pump, belongs to vertical structure, on the same line because of its inlet and outlet, And inlet and outlet bore is identical, imitates like a segment pipe, can be mounted on any position of pipeline therefore be named as pipeline pump (also known as supercharging Pump), design feature:For single-suction single-stage centrifugal pump, inlet and outlet are identical and handed on the same line at straight with shaft centre line, are vertical Formula pumps, and existing pipeline pump can not be used for a long time, and can not effectively prevent gas attack, we devise a novel thus A kind of cavitation-preventive pipeline pump solves the problems, such as that a kind of traditional cavitation-preventive pipeline pump is inconvenient for use.
Utility model content
The purpose of this utility model is to provide a kind of cavitation-preventive pipeline pumps, to solve existing technological deficiency and cannot reach The technology requirement arrived.
To achieve the above object, the utility model provides the following technical solutions:Including motor, motor cabinet, the pump housing, first close Gasket, water-output flange, water-in flange and the second gasket seal, the motor bottom are equipped with motor cabinet, and motor passes through screw thread Mode is fixedly connected with motor cabinet, and the motor cabinet bottom is equipped with the pump housing, and motor cabinet is connect with the pump housing by way of screw thread, institute It states and is equipped with water-in flange on the right side of the pump housing, the second gasket seal, water-in flange and the pump housing are equipped between the water-in flange and the pump housing Be fixedly connected by way of screw thread with the second gasket seal, the pump housing bottom be equipped with water-output flange, the water-output flange with The first gasket seal is equipped between the pump housing, water-output flange is connect with the pump housing and the first gasket seal by way of screw thread, described Pump body is equipped with bearing, shaft, impeller, mechanical seal set, outlet pipe, and the bearing is located at pump body top side, bearing two Side is equipped with mechanical seal set, and bearing top side is motor, and bearing is connect by way of screw thread with motor, and the bearing bottom is equipped with Shaft, bearing are connect by way of screw thread with shaft, and the shaft both sides are equipped with impeller, and impeller is by way of screw thread and turns Axis connection, the pump housing bottom are equipped with outlet pipe, and outlet pipe is connect by way of pipeline with water-output flange.
Preferably, the pump housing surface is equipped with stainless steel metal shell.
Preferably, pump body surface layer surfacing has Al metal alloy powder.
Preferably, the bearing, shaft and impeller surface are coated with epoxy resin.
Preferably, it states and is equipped with short tube on the right side of pump body, short tube is connect by way of pipeline with water-in flange.
Compared with prior art, the beneficial effects of the utility model are as follows:
Compared with a kind of traditional cavitation-preventive pipeline pump, a kind of cavitation-preventive pipeline pump after improvement is equipped with short in equipment Pipe, reduces the distance of water inlet when short tube enables the pump housing to intake, the resistance of pump housing sucking is reduced with this, reaches the mesh of cavitation-preventive , while having Al metal alloy powder in pump body surface layer surfacing, pump body gas can be prevented by Al metal alloy powder Erosion is coated with epoxy resin in shaft, bearing, impeller surface, and epoxy resin plays the role of completely cutting off air, make shaft, bearing, Impeller has the function that cavitation-preventive.
Description of the drawings
Fig. 1 is a kind of cavitation-preventive pipeline pump structure schematic diagram of the utility model;
Fig. 2 is a kind of cavitation-preventive pipeline pump internal structure schematic diagram of the utility model;
In figure:Motor -1, motor cabinet -2, pump housing -3, the first gasket seal -4, water-output flange -5, water-in flange -6, the second Gasket seal -7, short tube -8, outlet pipe -9, bearing -10, shaft -11, impeller -12, mechanical seal set -13, epoxy resin -14, Stainless steel metal shell -15, Al metal alloy powder -16.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution:It is close including motor 1, motor cabinet 2, the pump housing 3, first Gasket 4, water-output flange 5, water-in flange 6 and the second gasket seal 7,1 bottom of the motor are equipped with motor cabinet 2, and motor 1 passes through The mode of screw thread is fixedly connected with motor cabinet 2, and 2 bottom of the motor cabinet is equipped with the pump housing 3, and motor cabinet 2 passes through screw thread with the pump housing 3 Mode connects, and 3 right side of the pump housing is equipped with water-in flange 6, and the second gasket seal is equipped between the water-in flange 6 and the pump housing 3 7, water-in flange 6 is fixedly connected with the pump housing 3 and the second gasket seal 7 by way of screw thread, and 3 bottom of the pump housing is equipped with water outlet Flange 5 is equipped with the first gasket seal 4, water-output flange 5 and the pump housing 3 and the first gasket between the water-output flange 5 and the pump housing 3 Piece 4 is connected by way of screw thread, and the pump housing 3 is internally provided with bearing 10, shaft 11, impeller 12, mechanical seal set 13, water outlet Pipe 9, the bearing 10 are located at 3 inner top side of the pump housing, and 10 both sides of bearing are equipped with mechanical seal and cover 13, and 10 top side of bearing is motor 1, Bearing 10 is connect by way of screw thread with motor 1, and 10 bottom of the bearing is equipped with shaft 11, and bearing 10 is by way of screw thread It is connect with shaft 11,11 both sides of the shaft are equipped with impeller 12, and impeller 12 is connect by way of screw thread with shaft 11, the pump 3 bottom of body is equipped with outlet pipe 9, and outlet pipe 9 is connect by way of pipeline with water-output flange 5.
3 surface of the pump housing is equipped with stainless steel metal shell 15, and 3 table of the pump housing can be prevented by stainless steel metal shell 15 It is cavitated in face.
3 interior skin surfacing of the pump housing has Al metal alloy powder 16, Al metal alloy powder 16 that can make in the pump housing 3 Portion surface forms one layer of lumarith, can effectively prevent cavitation erosion.
The bearing 10, shaft 11 and 12 surface of impeller are coated with epoxy resin 14, and epoxy resin 14 can make bearing 10, shaft 11 and impeller 12 formed one layer of lumarith, can effectively prevent cavitating.
3 inner right side of the pump housing is equipped with short tube 8, and short tube 8 is connect by way of pipeline with water-in flange 6, and short tube 8 makes The pump housing 3 can reduce the distance of water inlet when intaking, the resistance of the sucking of the pump housing 3 is reduced with this, achievees the purpose that cavitation-preventive.
When using a kind of cavitation-preventive pipeline pump of the utility model, a kind of cavitation-preventive pipeline pump energy normal operation is being determined Under state, start motor 1, motor 1 drives shaft 11 to operate by bearing, the operating of 11 impeller 12 of shaft, due to impeller 12 shafts 11 and bearing 10 are coated with epoxy resin, and epoxy resin can prevent 12 shaft 11 of impeller and bearing 10 to be coated with epoxy resin gas Erosion, the power generated by impeller 12 make water be entered in the pump housing 3 from the short tube 8 in water-in flange 5,3 interior surface surfacing of the pump housing There are Al metal alloy powder 16, last water to enter water-output flange 5 from 3 bottom outlet pipe 9 of the pump housing, be then out.
The motor 1 of the utility model, motor cabinet 2, the pump housing 3, the first gasket seal 4, water-output flange 5, water-in flange 6, Two gasket seals 7, short tube 8, outlet pipe 9, bearing 10, shaft 11, impeller 12, mechanical seal set 13, epoxy resin 14, stainless steel Metal shell 15, Al metal alloy powder 16, component are universal standard part or the component that those skilled in the art know, knot Structure and principle, which are all this technology personnel, can be learnt by technical manual or be known by routine experiment method, the utility model solution Certainly the problem of is that existing pipeline pump can not be used for a long time, and gas attack, the utility model can not be effectively prevent to pass through above-mentioned Being combined with each other for component can realize that existing pipeline pump can be used for a long time, can effectively prevent gas attack.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above, for For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent requirements of the claims All changes are embraced therein.Any reference numeral in claim should not be considered as to the involved right of limitation It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (4)

1. a kind of cavitation-preventive pipeline pump, including motor (1), motor cabinet (2), the pump housing (3), the first gasket seal (4), water-output flange (5), water-in flange (6) and the second gasket seal (7), it is characterised in that:Motor (1) bottom is equipped with motor cabinet (2), motor (1) be fixedly connected with motor cabinet (2) by way of screw thread, motor cabinet (2) bottom be equipped with the pump housing (3), motor cabinet (2) with The pump housing (3) is connected by way of screw thread, and water-in flange (6), the water-in flange (6) and pump are equipped on the right side of the pump housing (3) The second gasket seal (7) is equipped between body (3), water-in flange (6) passes through screw thread with the pump housing (3) and the second gasket seal (7) Mode is fixedly connected, and the pump housing (3) bottom is equipped with water-output flange (5), is equipped between the water-output flange (5) and the pump housing (3) First gasket seal (4), water-output flange (5) are connect with the pump housing (3) and the first gasket seal (4) by way of screw thread;
The pump housing (3) is internally provided with bearing (10), shaft (11), impeller (12), mechanical seal set (13), outlet pipe (9), institute It states bearing (10) and is located at the pump housing (3) inner top side, bearing (10) both sides are equipped with mechanical seal set (13), and bearing (10) top side is electricity Machine (1), bearing (10) are connect by way of screw thread with motor (1), and bearing (10) bottom is equipped with shaft (11), bearing (10) it is connect with shaft (11) by way of screw thread, shaft (11) both sides are equipped with impeller (12), and impeller (12) passes through spiral shell The mode of line is connect with shaft (11), the pump housing (3) bottom be equipped with outlet pipe (9), outlet pipe (9) by way of pipeline with Water-output flange (5) connects;The pump housing (3) the interior skin surfacing has Al metal alloy powder (16).
2. a kind of cavitation-preventive pipeline pump according to claim 1, it is characterised in that:The pump housing (3) surface is equipped with stainless Steel metal shell (15).
3. a kind of cavitation-preventive pipeline pump according to claim 1, it is characterised in that:The bearing (10), shaft (11) and Impeller (12) surface is coated with epoxy resin (14).
4. a kind of cavitation-preventive pipeline pump according to claim 1, it is characterised in that:The pump housing (3) inner right side is equipped with Short tube (8), short tube (8) are connect by way of pipeline with water-in flange (6).
CN201721513182.8U 2017-11-14 2017-11-14 A kind of cavitation-preventive pipeline pump Expired - Fee Related CN207647791U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721513182.8U CN207647791U (en) 2017-11-14 2017-11-14 A kind of cavitation-preventive pipeline pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721513182.8U CN207647791U (en) 2017-11-14 2017-11-14 A kind of cavitation-preventive pipeline pump

Publications (1)

Publication Number Publication Date
CN207647791U true CN207647791U (en) 2018-07-24

Family

ID=62889822

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721513182.8U Expired - Fee Related CN207647791U (en) 2017-11-14 2017-11-14 A kind of cavitation-preventive pipeline pump

Country Status (1)

Country Link
CN (1) CN207647791U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180724

Termination date: 20191114