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Integrated two-stage heating efficient energy-saving heat pipe steam generator

A steam generator and two-stage heating technology, which is applied in steam generation, steam generation method using heat carrier, steam generation method, etc., can solve the problems of low heat transfer efficiency and low heat utilization rate of flue gas, and achieve increased exchange rate. Heat speed and evaporation speed, avoid the reduction of heat utilization rate, and improve the effect of waste heat utilization

Pending Publication Date: 2021-01-05
宋有志
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the shortcomings of low heat transfer efficiency and low flue gas heat utilization rate in the prior art, and propose an integrated two-stage heating high-efficiency energy-saving heat pipe steam generator

Method used

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  • Integrated two-stage heating efficient energy-saving heat pipe steam generator
  • Integrated two-stage heating efficient energy-saving heat pipe steam generator
  • Integrated two-stage heating efficient energy-saving heat pipe steam generator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] refer to Figure 1-3 , an integrated two-stage temperature-raising high-efficiency energy-saving heat pipe steam generator, including a flue gas pipe 1, the upper end and lower end of the flue gas pipe 1 are respectively installed with an inlet connecting pipe 11 and an outlet connecting pipe 12, and the outer wall of the flue gas pipe 1 is surrounded by A steam tank 2 is installed, and a water inlet pipe 231 is installed at the lower end of the steam tank 2. A primary exhaust pipe 222 and a safety pipe 221 are installed above the steam tank 2. A safety valve 2211 is installed on the safety pipe 221. A steam tank 2 is installed with The partition plate 21, the upper and lower layers of the partition plate 21 are the steam chamber 22 and the water storage chamber 23 respectively, and a plurality of holders 102 are symmetrically installed on the inner wall of the flue gas pipe 1, and a plurality of spirals are respectively installed on the plurality of holders. The heat pip...

Embodiment 2

[0049] refer to Figure 4 , an integrated two-stage temperature-raising high-efficiency energy-saving heat pipe steam generator, which is basically the same as Embodiment 1, the difference is:

[0050] A plurality of steam tanks 2 are equidistantly installed on the outer wall of the flue gas pipe 1, and the air inlet 41 of the secondary heating heat pipe 4 extends to the outside of the flue gas pipe 1 and is equipped with a collecting pipe 5. A branch pipe 51, and a plurality of branch pipes 51 are respectively connected to a plurality of primary exhaust pipes 222, and each branch pipe 51 is equipped with a solenoid valve 511, and the water inlet pipe 231 of the upper floor is connected with the safety pipe 221 of the lower floor;

[0051] Multiple steam tanks 2 can evaporate water step by step, increase the heat utilization rate of high-temperature flue gas, and can heat water step by step to a high-temperature critical state in low-temperature flue gas, and staged heating ca...

Embodiment 3

[0055] refer to Figure 5-7 , an integrated two-stage temperature-raising high-efficiency energy-saving heat pipe steam generator, which is basically the same as Embodiment 1, the difference is:

[0056] A pneumatic liquid pump 6 is installed on the inner wall of the lower end of the flue gas pipe 1. The pneumatic liquid pump 6 includes an annular pump casing 61 installed on the inner wall of the flue gas pipe 1. The inner ring of the annular pump casing 61 is sealed and rotated with an inner ring wall ring 62. Airflow fan blades 621 are installed on the inner wall of the inner ring wall ring 62, and a plurality of pump blades 622 are installed in a circular equidistant manner on the outer wall of the inner ring wall ring 62, and the lower end of the water inlet pipe 231 extends into the annular pump casing 61. 61 is installed with a suction pipe 63, and the end of the suction pipe 63 away from the annular pump casing 61 extends to the outside of the flue gas pipe 1;

[0057]...

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Abstract

The invention discloses an integrated two-stage heating efficient energy-saving heat pipe steam generator. The integrated two-stage heating efficient energy-saving heat pipe steam generator comprisesa flue gas pipe, wherein a gas inlet connecting pipe and a gas outlet connecting pipe are installed at the upper end and the lower end of the flue gas pipe correspondingly, a steam tank is installed on the outer side wall of the flue gas pipe in a surrounding manner, and a water inlet pipe is installed at the lower end of the steam tank; and a first-stage exhaust pipe and a safety pipe are installed above the steam tank, a safety valve is installed on the safety pipe, a partition plate is installed in the steam tank, and a steam cavity and a water storage cavity are formed in the upper layer and the lower layer of the partition plate correspondingly. The integrated two-stage heating efficient energy-saving heat pipe steam generator is ingenious in structure, the heat transfer efficiency isimproved and the utilization rate of high-temperature flue gas waste heat is increased through spiral heat pipes and a two-stage heating heat pipe, the waste heat utilization rate of low-temperatureflue gas is increased through graded heating of multiple steam tanks, water is pumped into the device through a pneumatic liquid pump by means of flue gas kinetic energy, and the equipment energy consumption is reduced.

Description

technical field [0001] The invention relates to the technical field of waste heat utilization, in particular to an integrated two-stage heating-up high-efficiency energy-saving heat pipe steam generator. Background technique [0002] The boiler produces high-temperature flue gas during the combustion process. The direct discharge of high-temperature flue gas will cause heat loss and cause great pollution to the air environment. The heat of the flue gas is wasted, and the heat of the flue gas is utilized before being discharged. [0003] Existing heat pipe steam generators generally use traditional heat pipes to be vertically installed in the flue gas pipe and steam furnace, and transfer the heat of the flue gas to the water through evaporation and condensation heat release, and make the water heated to generate steam, but the traditional heat pipe Vertical installation makes the heat transfer efficiency lower, resulting in lower steam temperature and lower utilization rate ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F22B1/18F23J15/06F28D7/02F28D7/08F28F9/22F28F13/00F04D13/04F01D15/08
CPCF01D15/08F04D13/043F22B1/1869F23J15/06F28D7/024F28D7/085F28F9/22F28F13/00F28F2009/222F28F2013/001Y02E20/30
Inventor 宋有志
Owner 宋有志
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