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Novel mobile heat accumulation and release method and mobile heat supply device

A heat supply device, heat storage and release technology, applied to heat storage equipment, heat exchanger types, indirect heat exchangers, etc., can solve the problems of long heat storage and release time, large equipment investment, poor economic benefits, etc. Fast heat release, low equipment investment, and energy-saving effects

Active Publication Date: 2015-05-06
QINGDAO AOHUAN NEW ENERGY GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the hot water mobile device for transporting hot water within 100 °C under atmospheric pressure is widely used. The main advantages of this device are low equipment cost and short heat storage and release time, but the biggest disadvantage is small heat storage capacity, high transportation cost, and economic benefits. Difference
In addition, some phase change heat storage mobile heating devices are used. The advantages of this device are large heat storage capacity and low transportation cost, but the disadvantages are large equipment investment and long heat storage and release time.

Method used

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  • Novel mobile heat accumulation and release method and mobile heat supply device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Combine figure 1 , A mobile heating device comprising a water storage tank 2 and a truck 1. The water storage tank 2 is fixed on the truck 1 through a base 23, and the water storage tank 2 is connected with a first pressure gauge 4 and a first The thermometer 3 is also connected with a pressure relief pipe 6, and a pressure relief valve 5 is provided on the pressure relief pipe 6. The water storage tank 2 is provided with a heat exchange tube 31 inside, and the inlet and the outlet 12 of the heat exchange tube 31 are located outside the water storage tank 2. The heat exchange tube 31 is of a vertical tube type, a horizontal tube type, or a coil type, and the inner and outer surfaces of the heat exchange tube 31 are smooth or finned surfaces.

[0031] The water storage tank 2 is connected with a cold water injection pipe 15, and the cold water injection pipe 15 is connected with a second valve 14, a second flow meter 16, and a second temperature meter 13. A third pressure...

Embodiment 2

[0034] Embodiment 1 The heat storage and release method of a mobile heating device includes the following steps:

[0035] (1) Heat storage process: inject cold water into the water storage tank 2, the liquid level of the cold water is higher than the heat exchange tube 31 inside the water storage tank 2, and the high temperature fluid is passed into the heat exchange tube 31 and the water storage tank 2 The cold water exchanges heat, the pressure and temperature in the water storage tank 2 reach a predetermined value, the high-temperature fluid is stopped passing through the heat exchange tube 31, and the heat storage of the water storage tank 2 ends.

[0036] (2) Heat release process: The steam outlet pipe 11 at the top of the storage tank 2 releases steam of different temperatures and pressures through valve adjustment, and the hot water outlet pipe 21 at the bottom of the heat storage tank 2 produces different temperatures and pressures by mixing with cold water Hot water.

[003...

example 1

[0044] Example 1: An industrial boiler produces about 3 tons of high-temperature and high-pressure saturated water per hour. The saturated water temperature is 240℃~260℃, pressure: 3.35Mpa~4.68Mpa, and a mobile heating device with a load of 15 tons of hot water is used for waste heat recovery , High-temperature and high-pressure saturated water is passed into the heat exchange tube of the mobile heating device to heat the low-temperature water in the storage tank to prepare high-temperature and high-pressure saturated water. The temperature of the saturated water is between 100°C and 240°C, and the saturation pressure is 0.101Mpa ~3.35Mpa, the higher the temperature and pressure of saturated water, the longer the charging time. Multiple mobile heating devices can also be connected in series for heating, which can achieve continuous heating and improve heating efficiency. The mobile heating device arrives at the factory that requires hot water and steam. The factory needs about 8...

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Abstract

The invention belongs to the technical field of mobile heat supply and concretely relates to a novel mobile heat accumulation and release method and a mobile heat supply device. The mobile heat supply device comprises a water accumulation tank and a transporting device, wherein the water accumulation tank is fixedly arranged on the transporting device, a heat exchange pipe is arranged inside the water accumulation tank, an inlet and an outlet of the heat exchange pipe are positioned at the outer part of the water accumulation tank, a cold water filling pipe is connected onto the water accumulation tank, a first pressure meter, a first thermometer and a pressure release valve are connected onto the water accumulation tank, the top of the water accumulation tank is connected with a steam pipe, and the bottom of the water accumulation tank is connected with a heat water outlet pipe. The mobile heat supply device has high heat accumulation capability and can fully utilize industrial waste heat of various kinds, such as smoke, steam or hot water, so the energy sources are fully utilized and are saved.

Description

Technical field [0001] The invention belongs to the technical field of mobile heating, and particularly relates to a novel mobile heat storage and release method and a mobile heating device. Background technique [0002] According to statistics, at present, about 50 million tons of standard coal industrial waste heat is wasted in my country every year, and it also pollutes the environment. In addition, some heating power supply companies have a heating demand load greater than a supply capacity in winter, but a heating demand load in summer is much smaller than a supply capacity. Generally, they operate by reducing the load of the boiler, and the conversion efficiency of boilers operating at low load is significant If a reasonable waste heat utilization device is adopted, the conversion efficiency of the boiler can be improved, and new economic benefits can be produced. Constrained by the high investment cost of the heating power pipe network, many industrial enterprises and res...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28D20/00
CPCY02E60/14
Inventor 赵海龙
Owner QINGDAO AOHUAN NEW ENERGY GRP CO LTD
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