Safe and stable high-temperature-resistant hot water circulating pump system

A hot water circulation pump, a safe and stable technology, applied in the direction of pumps, pump control, pump components, etc., can solve problems affecting the use effect of the end use, hot water circulation pump pressure instability, pressure fluctuations, etc.

Active Publication Date: 2021-04-20
JIANGSU UNIV ZHENJIANG RES INST OF FLUID ENG EQUIP TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In addition, when the existing hot water circulation pump is supplied, there are certain pressure fluctuations, which leads to unstable pressure of the hot water circulation pump and affects the use effect of the terminal

Method used

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  • Safe and stable high-temperature-resistant hot water circulating pump system
  • Safe and stable high-temperature-resistant hot water circulating pump system
  • Safe and stable high-temperature-resistant hot water circulating pump system

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Embodiment Construction

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0027] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0028] like figure 1 As shown, a safe and stable high-temperature-resistant hot water circulation pump system includes a hot water circulation pump 1, a mechanical seal, a pressure control valve 9, a micro steam turbine 10, a th...

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Abstract

The invention discloses a safe and stable high-temperature-resistant hot water circulating pump system. The safe and stable high-temperature-resistant hot water circulating pump system comprises a hot water circulating pump, a mechanical seal, a pressure control valve (9), a micro turbine (10), a threaded pump (11), a heat exchanger (14) and a jet device (16), and is characterized in that the outlet part of the hot water circulating pump is connected with the threaded pump through a first pipeline, the threaded pump is connected with the heat exchanger through one pipeline, the heat exchanger is connected with the jet device through one pipeline, a driving shaft of the threaded pump is connected with the micro turbine, the micro turbine is connected with the first pipeline through one pipeline, the pressure control valve is connected between the micro turbine and the first pipeline, the micro turbine is connected with the jet device through one pipeline, and the jet device is connected with the mechanical seal through a second pipeline. When the system is shut down and standby, mechanical seal cooling water still circulates, and it is guaranteed that the mechanical seal is not damaged at the allowable working temperature; and in addition, the pressure stability of an impeller outlet can be improved, and therefore the output pressure stability of the hot water circulating pump is improved.

Description

technical field [0001] The invention relates to the technical field of hot water circulating pump systems, in particular to a safe and stable high temperature resistant hot water circulating pump system. Background technique [0002] The design of the mechanical seal of the hot water circulating pump in the prior art only considers the cooling of the mechanical seal cavity during operation. The temperature of the group is the same, when the medium temperature is ≥ 220 ℃, it is easy to cause damage to the mechanical seal. [0003] Existing hot water circulating pumps usually monitor and warn the temperature of the mechanical seal cavity during application, and monitor whether the mechanical seal is leaking by setting reasonable detection measures, so as to avoid casualties and shutdown of the production line when a problem occurs before remediation and other security incidents. In the prior art, the real-time operation status of the hot water circulating pump system is moni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/58F04D15/00F04D29/24F04D29/22F04D7/06
Inventor 陈进孙兵吴捷陈思远
Owner JIANGSU UNIV ZHENJIANG RES INST OF FLUID ENG EQUIP TECH
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