CN108894993B - Utilize radiating sewage pump of water - Google Patents
Utilize radiating sewage pump of water Download PDFInfo
- Publication number
- CN108894993B CN108894993B CN201810549112.0A CN201810549112A CN108894993B CN 108894993 B CN108894993 B CN 108894993B CN 201810549112 A CN201810549112 A CN 201810549112A CN 108894993 B CN108894993 B CN 108894993B
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- China
- Prior art keywords
- water injection
- water
- injection chamber
- motor
- end cover
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
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- 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
- F04D29/086—Sealings especially adapted for liquid pumps
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- 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
- F04D29/5806—Cooling the drive system
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- 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
- F04D29/5886—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling by injection
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a sewage pump utilizing water for heat dissipation, which comprises a motor shell, a junction box body, a water injection chamber shell, a water injection chamber end cover, a pump body, an impeller, a lower end cover and a base, wherein the junction box body is arranged at the tail end of the motor shell; the motor is cooled by injecting water into the water injection chamber, so that the heat dissipation effect is good, the cooling capacity required by the motor in high-speed operation is met, and the normal operation of the motor in a long-term high-temperature state is ensured.
Description
Technical Field
The invention relates to a sewage pump, in particular to a sewage pump capable of dissipating heat by using water, and belongs to the technical field of water pumps.
Background
The sewage pump in the market at present mainly uses dry-type motor as the main, the wire winding of motor adopts the enameled wire, it adopts mechanical seal structure to seal, one of them is sealed to be used for the pump body and grease chamber to keep apart, another is sealed to be used for grease chamber and motor chamber to keep apart, the cooling is with the oil cooling mode, because the service environment of sewage pump is relatively poor, especially in the environment of being used in municipal sewage pipeline, sewage plant and underground sump, the motor operation of sewage pump can produce high temperature, the high temperature that the motor operation of present sewage pump produced mainly cools off with the lubricating oil of grease chamber, but the space of grease chamber is limited, the oil of splendid attire is less, can't satisfy the required cooling capacity of motor when high-speed operation, the motor can lead to mechanical seal to damage under the higher state of long-term temperature, cause grease chamber and motor chamber to intake.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a sewage pump utilizing water for heat dissipation, a sewage pump motor adopts a waterproof electromagnetic wire, an oil chamber of the existing sewage pump is changed into a water injection chamber, the water injection chamber is communicated with a motor chamber, the water storage amount is increased, the cooling effect is increased, mechanical sealing is changed into one, namely, the pump body impeller is separated from the water injection chamber, the mechanical sealing of the oil chamber and the motor chamber of the existing sewage pump is eliminated, the water injection chamber is communicated with the inside of a motor shell, two bolt holes are arranged on the side wall of the water injection chamber to serve as water injection holes, a bolt hole is arranged on a bottom end cover of the water injection chamber to serve as a water drainage hole, water is injected into the water injection chamber to cool the motor, the water injection amount is large, the heat dissipation effect of water is good, the cooling amount required by the high-speed operation of the motor is met.
The technical scheme adopted by the invention is as follows:
a sewage pump utilizing water for heat dissipation comprises a motor shell, a junction box body, a water injection chamber shell, a water injection chamber end cover, a pump body, an impeller, a lower end cover and a base, wherein the junction box body is hermetically arranged at the tail end of the motor shell, a motor in the motor shell adopts a waterproof electromagnetic wire, the water injection chamber end cover is arranged on the water injection chamber shell to form a water injection chamber in the water injection chamber shell, the water injection chamber shell and the water injection chamber end cover are arranged at the head end of the motor shell, the water injection chamber shell and the water injection chamber end cover are sleeved on an output shaft of the motor, the output shaft of the motor is rotatably connected with the water injection chamber shell through a bearing, a framework oil seal is arranged between the output shaft of the motor and the water injection chamber end cover, a water injection screw hole is arranged on the water injection chamber shell and is plugged through a water injection bolt, the water injection chamber, the water injection pump is characterized in that a water discharge screw hole is formed in the water injection chamber end cover and is plugged through a water discharge bolt, the pump body is installed on the water injection chamber end cover, the impeller is arranged inside the pump body and is connected with an output shaft key of the motor, the impeller is driven to rotate through an output shaft of the motor, the lower end cover is installed at the water inlet position of the pump body, and the base is installed on the lower end cover.
As a further preferred mode of the invention, the waterproof electromagnetic wire adopts three layers of insulation, wherein the wire core of the inner layer is an oxygen-free copper 130-grade polyester enameled wire, the middle layer is a high-pressure polyethylene insulation layer, and the outer layer is a polyamide 1010 sheath layer; the waterproof performance of the motor is effectively improved, so that the motor can work in water for a long time and can dissipate heat through water; the oxygen-free copper 130-grade polyester enameled wire has very good insulating property, electrical property and heat resistance, scratch and abrasion resistance and mechanical strength resistance; the high-pressure polyethylene insulating layer has high toughness, acid and alkali resistance and excellent insulativity; the polyamide 1010 sheath layer can be soaked for a long time, and has a very good protection effect on the high-pressure polyethylene insulating layer.
Preferably, the rubber O-ring is arranged on the connecting surface of the water injection chamber end cover and the water injection chamber shell, so that the connecting sealing performance of the water injection chamber end cover and the water injection chamber shell is effectively improved, and water in the water injection chamber is prevented from leaking out.
Preferably, a retainer ring is sleeved on the output shaft of the motor between the water injection chamber end cover and the water injection chamber shell to prevent the water injection chamber end cover and the water injection chamber shell from axially moving.
In a further preferred embodiment of the present invention, a seal is interposed at the joint between the pump body and the filling chamber end cap, and the seal is made of green paper, thereby improving the sealing property of the joint between the pump body and the filling chamber end cap.
In a further preferred embodiment of the present invention, a gasket is interposed at the joint between the lower end cap and the pump body, and the gasket is made of green paper, thereby improving the sealing property of the joint between the lower end cap and the pump body.
As a further preferred feature of the present invention, the junction box body is provided with a hanging ring, which is convenient for a user to hoist the mobile sewage pump.
As a further preferred feature of the present invention, the outer side wall of the motor housing is provided with a label, which identifies technical parameters, working principles and installation methods of the sewage pump, so as to facilitate installation and use by a user.
As a further optimization of the invention, the diameter of the water injection screw hole is 12mm, and two water injection screw holes are arranged, and the water injection bolt is sleeved with the sealing pad to plug the water injection screw hole, so that the water injection work during installation is facilitated, and the structural performance of the water injection chamber shell is improved under the action of water injection.
Preferably, the diameter of the water discharging screw hole is 12mm, and the water discharging screw hole is plugged after the water discharging bolt is sleeved with the sealing pad, so that the structural performance of the end cover of the water injection chamber is improved under the effect of meeting the drainage requirement.
The invention has the beneficial effects that: sewage pump motor adopts waterproof electromagnetic wire, change the grease chamber of current sewage pump into the water injection room, let water injection room and motor room intercommunication, increase the water storage capacity, increase cooling effect, mechanical seal changes one into, the isolation of pump body impeller and water injection room promptly, subtract the grease chamber of current sewage pump and the mechanical seal of motor room, and make the inside intercommunication of water injection room and motor casing, open two bolt holes at the lateral wall of water injection room and regard as the water injection hole, open a bolt hole on the bottom end cover of water injection room and regard as the hole of draining, utilize the water injection to come to cool off the motor in the water injection room, the water injection volume is big, the radiating effect of water is good, satisfy the required cooling capacity of motor when high-speed operation, guaranteed that the motor normally operates under the higher state of long-term temperature.
Drawings
FIG. 1 is a schematic structural view of the present invention;
the main reference numerals in the figures have the following meanings:
1-pump body, 2-impeller, 3-water injection chamber end cover, 4-water injection chamber, 5-output shaft of motor, 6-lower end cover, 7-base, 8-hanging ring, 9-water injection bolt, 10-junction box body, 11-label, 12-motor shell, 13-water discharge bolt, 14-check ring, 15-skeleton oil seal, 16-water injection chamber shell, 17-communicating pipe and 18-rubber O-shaped ring.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1: the embodiment is a sewage pump using water for heat dissipation, which comprises a motor housing 12, a junction box body 10, a water injection chamber housing 16, a water injection chamber end cover 3, a pump body 1, an impeller 2, a lower end cover 6 and a base 7, wherein the junction box body 10 is hermetically installed at the tail end of the motor housing 12, a waterproof electromagnetic wire is adopted by an internal motor of the motor housing 12, the water injection chamber end cover 3 is installed on the water injection chamber housing 16, a water injection chamber 4 is formed inside the water injection chamber housing 16, the water injection chamber housing 16 and the water injection chamber end cover 3 are installed at the head end of the motor housing 12, the water injection chamber housing 16 and the water injection chamber end cover 3 are sleeved on an output shaft 5 of the motor, the output shaft 5 of the motor is rotatably connected with the water injection chamber housing 16 through a bearing, a framework oil seal 15 is arranged between the output shaft 5 of the motor and the water injection chamber end cover 3, the framework oil seal, and the water injection screw passes through the shutoff of water injection bolt 9, the inside of water injection room 4 and motor casing 12 is through setting up communicating pipe 17 intercommunication on water injection room casing 16, be provided with the screw that drains on water injection room end cover 3, and the screw that drains is through the bolt 13 shutoff that drains, the pump body 1 is installed on water injection room end cover 3, impeller 2 sets up inside the pump body 1, and impeller 2 is connected with the output shaft 5 key-type of motor, output shaft 5 through the motor drives impeller 2 rotatory, lower end cover 6 is installed in the water inlet position of the pump body 1, base 7 is installed on lower end cover 6.
The waterproof electromagnetic wire in the embodiment adopts three layers of insulation, wherein the wire core of the inner layer is an oxygen-free copper 130-grade polyester enameled wire, the middle layer is a high-pressure polyethylene insulation layer, and the outer layer is a polyamide 1010 sheath layer; the waterproof performance of the motor is effectively improved, so that the motor can work in water for a long time and can dissipate heat through water; the oxygen-free copper 130-grade polyester enameled wire has very good insulating property, electrical property and heat resistance, scratch and abrasion resistance and mechanical strength resistance; the high-pressure polyethylene insulating layer has high toughness, acid and alkali resistance and excellent insulativity; the polyamide 1010 sheath layer can be soaked for a long time, and has a very good protection effect on the high-pressure polyethylene insulating layer.
In this embodiment, the rubber O-ring 18 is disposed on the connecting surface between the water injection chamber end cover 3 and the water injection chamber shell 16, so that the connection sealing performance between the water injection chamber end cover 3 and the water injection chamber shell 16 is effectively improved, and water in the water injection chamber 4 is prevented from leaking.
In this embodiment, a retaining ring 14 is sleeved on the output shaft 5 of the motor between the water injection chamber end cover 3 and the water injection chamber shell 16 to prevent the water injection chamber end cover 3 and the water injection chamber shell 16 from moving axially.
In this embodiment, a sealing gasket is sandwiched at the joint of the pump body 1 and the water injection chamber end cover 3, and the sealing gasket is made of green paper, so that the connection sealing performance of the pump body 1 and the water injection chamber end cover 3 is improved.
In this embodiment, a seal gasket is sandwiched at the joint between the lower end cover 6 and the pump body 1, and the seal gasket is made of green paper, so that the connection sealing performance between the lower end cover 6 and the pump body 1 is improved.
In this embodiment, the connection box body 10 is provided with a hanging ring 8, so that a user can conveniently hoist the mobile sewage pump.
In this embodiment, the outer side wall of the motor housing 12 is provided with the label 11, and the label 11 identifies technical parameters, working principles and installation modes of the sewage pump, so that the sewage pump is convenient for a user to install and use.
In this embodiment, the diameter of water injection screw is 12mm, and the water injection screw is provided with two, and the water injection bolt 9 cup joints and carries out the shutoff to the water injection screw behind the sealing pad, and the water injection work when being convenient for install improves the structural performance of water injection room casing 16 under the effect that satisfies the water injection.
In this embodiment, the diameter of the water discharge screw hole is 12mm, and the water discharge screw hole is plugged after the water discharge bolt 13 is sleeved with the sealing pad, so that the structural performance of the water injection chamber end cover 3 is improved under the effect of satisfying the water discharge.
The sewage pump motor adopts the waterproof electromagnetic wire, changes the oil chamber of the prior sewage pump into the water injection chamber, leads the water injection chamber to be communicated with the motor chamber, increases the water storage amount, increases the cooling effect, changes the mechanical seal into one, namely the separation of the pump body impeller and the water injection chamber, reduces the mechanical seal of the oil chamber and the motor chamber of the prior sewage pump, leads the water injection chamber to be communicated with the inside of the motor shell, opens two bolt holes on the side wall of the water injection chamber as water injection holes, opens a bolt hole on the bottom end cover of the water injection chamber as a water discharge hole, utilizes the water injection in the water injection chamber to cool the motor, has large water injection amount and good water heat dissipation effect, meets the cooling amount required by the motor in high-speed operation, and ensures the normal operation of the motor in a state with higher long-term temperature.
The above description is only a preferred embodiment of the present patent, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the inventive concept, and these modifications and decorations should also be regarded as the protection scope of the present patent.
Claims (7)
1. The utility model provides an utilize radiating sewage pump of water which characterized in that: the water injection chamber comprises a motor shell, a wiring box body, a water injection chamber shell, a water injection chamber end cover, a pump body, an impeller, a lower end cover and a base, wherein the wiring box body is hermetically installed at the tail end of the motor shell, a waterproof electromagnetic wire is adopted by a motor inside the motor shell, the water injection chamber end cover is installed on the water injection chamber shell to form a water injection chamber inside the water injection chamber shell, the water injection chamber shell and the water injection chamber end cover are installed at the head end of the motor shell, the water injection chamber shell and the water injection chamber end cover are sleeved on an output shaft of the motor, the output shaft of the motor is rotatably connected with the water injection chamber shell through a bearing, a framework oil seal is arranged between the output shaft of the motor and the water injection chamber end cover, a water injection screw hole is formed in the water injection chamber shell and is plugged through a water injection bolt, the water injection chamber is communicated with the, the water discharging screw hole is plugged through a water discharging bolt, the pump body is installed on the end cover of the water injection chamber, the impeller is arranged in the pump body and is connected with an output shaft key of the motor, the impeller is driven to rotate through the output shaft of the motor, the lower end cover is installed at the position of the water inlet of the pump body, and the base is installed on the lower end cover; the diameter of the water injection screw hole is 12mm, two water injection screw holes are formed, and the water injection screw hole is plugged after the water injection bolt is sleeved with the sealing pad; the diameter of the water discharging screw hole is 12mm, and the water discharging screw hole is plugged after the water discharging bolt is sleeved with the sealing pad; the waterproof electromagnetic wire adopts three-layer insulation, an inner-layer wire core is an oxygen-free copper 130-grade polyester enameled wire, a middle layer is a high-pressure polyethylene insulation layer, and an outer layer is a polyamide 1010 sheath layer.
2. The sewage pump using water for heat dissipation of claim 1, wherein a rubber O-ring is disposed on a connection surface of the water injection chamber end cover and the water injection chamber housing.
3. The sewage pump using water for heat dissipation of claim 1, wherein a retaining ring is sleeved on the output shaft of the motor between the end cover of the water injection chamber and the housing of the water injection chamber.
4. The sewage pump using water for heat dissipation of claim 1, wherein a gasket is clamped at the joint of the pump body and the end cap of the water injection chamber, and the gasket is made of green paper.
5. The sewage pump using water for heat dissipation of claim 1, wherein a gasket is clamped at the joint of the lower end cover and the pump body, and the gasket is made of green paper.
6. The sewage pump using water for heat dissipation as recited in claim 1, wherein said junction box body is provided with a hanging ring.
7. The waste water pump using water as claimed in claim 1, wherein a label is disposed on an outer sidewall of the motor housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810549112.0A CN108894993B (en) | 2018-05-31 | 2018-05-31 | Utilize radiating sewage pump of water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810549112.0A CN108894993B (en) | 2018-05-31 | 2018-05-31 | Utilize radiating sewage pump of water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108894993A CN108894993A (en) | 2018-11-27 |
| CN108894993B true CN108894993B (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810549112.0A Active CN108894993B (en) | 2018-05-31 | 2018-05-31 | Utilize radiating sewage pump of water |
Country Status (1)
| Country | Link |
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| CN (1) | CN108894993B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228353A (en) * | 2020-09-16 | 2021-01-15 | 山东泉盈泵业有限公司 | Sewage pump seal assembly and sewage pump |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2283603A1 (en) * | 1998-10-01 | 2000-04-01 | Paul W. Behnke | Forced closed-loop cooling for a submersible pump motor |
| CN2916210Y (en) * | 2006-04-21 | 2007-06-27 | 淮南市华源矿用机电设备厂 | Explosion-suppression water-cooled type submersible electric sewage pump for mining |
| CN200996394Y (en) * | 2007-01-16 | 2007-12-26 | 上海熊猫机械(集团)有限公司 | Water-cooling pump |
| US9800110B2 (en) * | 2012-04-20 | 2017-10-24 | Summit Esp, Llc | System and method for enhanced magnet wire insulation |
| CN103062135A (en) * | 2013-01-08 | 2013-04-24 | 安徽三联泵业股份有限公司 | Internal circulating cooling system and internal circulating cooling method of submersible electric pump motor |
| CN203394781U (en) * | 2013-06-17 | 2014-01-15 | 上海东方泵业(集团)有限公司 | Novel high-temperature water heating low-noise pipeline pump |
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2018
- 2018-05-31 CN CN201810549112.0A patent/CN108894993B/en active Active
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| CN108894993A (en) | 2018-11-27 |
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