Unlock instant, AI-driven research and patent intelligence for your innovation.

Life hot water heat pump system using waste heat of circulating cooling water

A technology for circulating cooling water and domestic hot water, applied in the energy field, can solve the problem of not fully considering circulating cooling water, and achieve the effect of saving operating costs and initial investment.

Active Publication Date: 2011-01-19
QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI
View PDF11 Cites 6 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] If the above heat pump system process or some basic technical features are used to heat tap water to provide domestic hot water, the remarkable feature that the temperature of circulating cooling water is significantly higher than the temperature of tap water (about 10°C in winter) is not fully considered, and the actual operation will be It is obviously unreasonable to use heat pump technology to extract heat from a higher temperature and supply it to a lower temperature (when the tap water is first heated).

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Life hot water heat pump system using waste heat of circulating cooling water
  • Life hot water heat pump system using waste heat of circulating cooling water
  • Life hot water heat pump system using waste heat of circulating cooling water

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0020] Specific implementation mode one (see figure 1 ), the system of the present embodiment consists of circulating cooling water supply main line 1, circulating cooling water return water main line 2, circulating cooling water heat pump side water pump 3, circulating cooling water heat pump side water supply branch line 4, circulating cooling water heat pump side return water branch line 5 , heat pump unit 6, hot water heating circulation pump 7, hot water heating water supply pipeline 8, hot water heating return water pipeline 9, hot water tank one 10, hot water tank two 11, bypass pipeline 12, hot water supply pump 13 , Hot water terminal water supply pipeline 14, hot water terminal return water pipeline 15, terminal hot water user 16, circulating cooling water preheating side water pump 17, circulating cooling water preheating side water supply branch line 18, circulating cooling water preheating side return water branch line 19. Preheating heat exchanger 20, tap water p...

specific Embodiment approach 2

[0021] Specific implementation mode two (see figure 2), this embodiment differs from Embodiment 1 in that an intermediate heat exchanger 27, an intermediary water pump 28, an intermediary The water supply pipeline 29 and the intermediary return water pipeline 30, the circulating cooling water heat pump side water supply branch line 4 and the circulating cooling water heat pump side return water branch line 5 are respectively connected to the intermediate heat exchanger 27, and the intermediary water supply pipeline 29 and the intermediary return water pipeline 30 are respectively connected to the The intermediate heat exchanger 27 is connected to the heat pump unit 6 , the intermediate water pump 28 is connected to the intermediate water supply pipeline 29 , and other connection methods are the same as those in the first embodiment. The operating principle is to isolate the circulating cooling water from the heat pump system through the intermediate heat exchanger in order to...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a life hot water heat pump system using waste heat of circulating cooling water, relates to a heat pump system using waste heat of industrial circulating cooling water, and belongs to the technical field of energy. By effectively using a characteristic that the temperature of the circulating cooling water is obviously higher than that of tap water, the life hot water heat pump system aims to obviously reduce the initial cost and operating energy consumption of the system. The life hot water heat pump system comprises a heat pump unit, a heat exchanger, a plurality sets of water pumps, a hot water tank, a control valve, a connecting line thereof and the like; and cold water is preheated by the circulating cooling water through setting a preheating heat exchanger and a water pump and a connecting line thereof, and the preheated water is heated by heat extracted from the circulating cooling water by the heat pump unit, so that the cold water is heated to the required temperature of life hot water by two steps. The life hot water heat pump system is applicable to a heat pump district heating line system recycling waste heat of industrial circulating cooling water.

Description

technical field [0001] The invention relates to a domestic hot water heat pump system utilizing waste heat of industrial circulating cooling water (including circulating cooling water of a power plant), and belongs to the technical field of energy. Background technique [0002] It is of great significance to use heat pump technology to develop low-grade, renewable and clean energy for building heating (heating or domestic hot water) or as other low-temperature heat sources. It is one of the effective ways to save energy and reduce emissions, and has huge energy saving , environmental protection and economic value. [0003] These low-level energy sources include: atmosphere, soil, groundwater, surface water, urban sewage and industrial waste heat, etc. Their temperature is relatively low, ranging from 0 to 40°C in winter, and generally cannot be used directly. Heat pump technology is required to consume a small amount of high-level energy. , and combined primary energy (coal...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): F24D17/02
Inventor 吴荣华吴怀之
Owner QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI