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

A heat supply device and transportation device technology, which is applied to heat storage equipment, heat exchanger types, indirect heat exchangers, etc., can solve the problems of long heat storage and discharge time, large equipment investment, and poor economic benefits, and achieve storage and discharge Fast heat rate, low equipment investment, energy saving effect

Active Publication Date: 2013-05-01
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, including a water storage tank 2 and a truck 1, the water storage tank 2 is fixed on the truck 1 through a base 23, 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 on which a pressure relief valve 5 is arranged. The interior of the water storage tank 2 is provided with a heat exchange tube 31 , and the inlet and outlet 12 of the heat exchange tube 31 are located outside the water storage tank 2 . The heat exchange tube 31 is 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 surfaces or fin 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 thermometer 13. The pipe body 19 at the inlet of the he...

Embodiment 2

[0034] Embodiment 1 The heat storage and discharge method of the mobile heat supply device, comprising 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 performs heat exchange, the pressure and temperature in the water storage tank 2 reach a predetermined value, stop feeding high-temperature fluid into the heat exchange tube 31, and the heat storage in the water storage tank 2 ends.

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

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°C-260°C and the pressure is 3.35Mpa-4.68Mpa. A mobile heating device with a load of 15 tons of hot water is used for waste heat recovery. , the high temperature and high pressure saturated water is passed into the heat exchange tube of the mobile heating device, and the low temperature water in the water storage tank is heated to prepare high temperature and high pressure saturated water. ~3.35Mpa, the higher the temperature and pressure of saturated water, the longer the charging time, and multiple mobile heating devices can also be connected in series for heating, which can realize continuous heating and improve charging efficiency. The mobile heating device arrives at the factory that needs hot water and steam. The factory needs about 80kg of steam at a temperature of 130°C and a pressure of 0.27Mpa per hour and 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 heat supply, and in particular relates to a novel mobile heat storage and discharge method and a mobile heat supply device. Background technique [0002] According to statistics, about 50 million tons of standard coal industrial waste heat is wasted in my country every year and pollutes the environment at the same time. In addition, some heat supply enterprises have a heating demand load greater than their supply capacity in winter, but in summer the heat demand load is much smaller than their 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 used, the conversion efficiency of the boiler can be improved, and new economic benefits can be generated. Constrained by the high investment cost of the heat pipe network, many industrial enterprises and r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D20/00
CPCY02E60/142Y02E60/14
Inventor 赵海龙
Owner QINGDAO AOHUAN NEW ENERGY GRP CO LTD
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