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External heating pump heater

An external heating and heater technology, applied in the direction of non-variable pumps, pumps, pump components, etc., can solve the problems of polluted water quality, inconvenient maintenance, short service life of electric heating tubes, etc., to achieve extended service life, convenient maintenance, heat The effect of high utilization

Active Publication Date: 2015-09-23
杭州热威电热科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides an external heating pump heater with an electric heating tube installed outside the pump casing and has a high utilization rate of the heat generated by the electric heating tube. Pollution of water quality and inconvenient maintenance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment one, see figure 1 , an externally heated pump heater, including a pump casing 1 and an electric heating tube 2.

[0025] The pump casing 1 is a circular tubular structure. The pump casing 1 is provided with a water outlet 11 . The pump casing 1 is made of heat insulating material. One axial end of the pump casing 1 is covered with a thermally conductive support plate 4 . The support plate 4 is made of stainless steel. The support plate 4 is a stamping part. The support plate 4 is fixed together with the pump casing 1 by closing the mouth. The pump casing 1 and the support plate 2 are sealed together by a sealing ring 5 . The support plate 4 is provided with a water inlet 41 . The water inlet 41 is located at the very center of the support plate 4 . An electric heating tube installation groove 42 is provided on the outer surface of the support plate 4 . The electric heating pipe installation groove 42 is an annular groove. The electric heating pipe i...

Embodiment 2

[0031] Embodiment two, see image 3 , the difference from the first embodiment is: the outer surface of the support plate 4 is also provided with a heat insulating plate 8 . The heat shield 8 is annular. Heat insulation board 8 has heat insulating material to make. An annular vacuum chamber 81 extending along the extending direction of the heat insulation board 8 is formed between the heat insulation board 8 and the support board 4 . The heat conducting plate 3 is located in the vacuum cavity 81 .

Embodiment 3

[0032] Embodiment three, see Figure 4 , the difference from the second embodiment is: the heat shield 8 is provided with a one-way valve 82 that opens toward the outside of the vacuum chamber 81 . During the manufacturing process, the air pressure in the vacuum chamber is lower than the atmospheric pressure when the vacuum chamber is below 100°, that is, the vacuum state is realized by heating the present invention to above 500° to discharge the gas in the vacuum chamber. When the substance is gasified or volatilized to cause the gas in the vacuum to become dense, the vacuum pump can be turned on to release the gas and keep the gas in the vacuum chamber thin.

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Abstract

The invention relates to heaters and discloses an external heating heater for a pump. The external heating heater comprises a pump casing and an electric heating pipe, wherein the pump casing is provided with a support plate with thermal conductivity; a heat transfer plate is connected to the external surface of the support plate in a thermal conduction way; a heating cavity extending along the extension direction of the electric heating pipe is formed between the heat transfer plate and the support plate; the electric heating pipe is located in the heating cavity; the electric heating pipe and the heating cavity are connected in a thermal conduction way. According to the external heating heater for the pump, the electric heating pipe is mounted at the external part of the pump casing, the utilization rate of heat produced by the electric heating pipe is high, and the problems that the electric heating pipe of the existing heating pump is short in service life, water quality is polluted after corrosion, and the maintenance is not convenient are solved.

Description

technical field [0001] The invention relates to a heater, in particular to an external heating pump heater. Background technique [0002] Pumps for conveying fluids such as water are often encountered in daily life. For example, the Chinese patent application number is 2008100680851, the publication date is December 31, 2008, and a patent document titled "An Engine Cooling Water Pump" discloses a water pump. The pump is mainly composed of the pump casing, the inlet and outlet of the pump casing, the impeller arranged in the pump casing and the motor driving the impeller. [0003] In order to deliver hot water to the place of use, one way is to directly supply hot water to the pump, and the pump only plays the role of delivering water at this time, and the other way is to install an electric heating tube in the pump casing so that the water is heated when it flows through the pump To realize the supply of hot water to the place of use, such a pump with a heater is calle...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D29/00
Inventor 吕越斌
Owner 杭州热威电热科技股份有限公司