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Biomass steam generator

A steam generator and biomass technology, applied in steam generation, steam boilers, combustion methods, etc., can solve the problems of large space occupation, low combustion efficiency, and complex structure, so as to improve heat exchange efficiency, increase heat exchange path, The effect of taking up little space

Pending Publication Date: 2019-11-19
张家港市天源机械制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing biomass steam generator has a complex structure and takes up a lot of space. During operation, the biomass fuel is not fully burned, the combustion efficiency is low, and fuel waste is caused, and the heat exchange efficiency between the heat energy generated by the biomass combustion and the water heat exchange process is not high. High, the waste of heat energy is very serious

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as figure 1 and figure 2 As shown, a biomass steam generator described in this embodiment includes: a combustion chamber 1 with a furnace cavity 11 , a steam chamber 2 with a first sealed cavity 21 and a heat exchanger 4 . On the top of the combustion chamber 1, there is a total flue gas outlet 12 connected with the furnace chamber 11, and on the side wall of the combustion chamber 1, there are respectively provided with a feed port 13 and an air supplement port 14 connected with the furnace chamber 11, and the feed port 13 Located on the upper side wall of the combustion chamber 1 , the air supplement port 14 is located on the side wall of the combustion chamber 1 below the feed inlet 13 . Feed pipe 15 is provided at feed inlet 13 places, and the output port of screw conveyor 16 and the air outlet of first blower fan 17 are all connected with feed inlet 13 by feed pipe 15, and the feeding of screw conveyor 16 A feed hopper 19 is also provided at the mouth. In ...

Embodiment 2

[0045] The difference between this embodiment and Embodiment 1 is that this embodiment also adds a water jacket interlayer on the basis of Embodiment 1, specifically:

[0046] Such as Figure 7 As shown, the steam chamber 2 includes an inner cavity wall and an outer cavity wall, and a water jacket interlayer 22 is formed between the inner cavity wall and the outer cavity wall. An interlayer water inlet 25 and an interlayer water outlet 26 communicating with the water jacket interlayer 22 are respectively provided on the outer cavity wall of the steam chamber 2, and the water outlet 40 of the heat exchanger 4 is connected with the interlayer water inlet 25 through a connecting pipe 64, The interlayer water outlet 26 communicates with the sealed rectangular cavity of the lower box body 34 through the water inlet pipe 66 , the water pump 67 and the water outlet pipe 68 .

[0047] The water tank 8 communicates with the water inlet 49 of the heat exchanger 4 through the water tank...

Embodiment 3

[0053] The difference between this embodiment and Embodiment 1 or Embodiment 2 is that the specific structure of the heat exchanger 4 is set, specifically:

[0054] Such as figure 2 and Figure 6 As shown, the heat exchanger 4 is a shell with a second sealed cavity, and a first partition plate 92 and a second partition plate 93 are arranged at intervals from top to bottom in the second sealed cavity. A partition plate 92 and a second partition plate 93 divide the second sealed cavity into three separate upper, middle and lower cavities: the upper cavity, the middle cavity 48 and the lower cavity 45 . A third partition plate 91 is vertically arranged in the middle of the upper cavity, and the third partition plate 91 divides the upper cavity into two independent cavities: the first cavity 43 and the second cavity 44 . The second flue gas inlet 41 of the heat exchanger 4 communicates with the first cavity 43 , and the second flue gas outlet 42 of the heat exchanger 4 communic...

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Abstract

The invention discloses a biomass steam generator. The biomass steam generator comprises a combustion chamber with a furnace cavity, a steam chamber with a first sealed cavity and a heat exchanger; atotal flue gas outlet is formed in the top of the combustion chamber, a feed inlet and an air supplement inlet are formed in the side wall of the combustion chamber; a first flue gas inlet is formed in the bottom of the steam chamber, the steam chamber is located above the combustion chamber, and the first flue gas inlet and the total flue gas outlet communicate in a sealed mode; a water jacket group is arranged in the first sealed cavity; a first flue gas outlet is formed in the side wall of the steam chamber, the first flue gas outlet communicates with a second flue gas inlet of the heat exchanger, and an induced draft fan is arranged at the second flue gas outlet of the heat exchanger; a water outlet of the heat exchanger sequentially communicates with the water jacket group through a water inlet pipe, a water pump and a water outlet pipe, and a steam inlet pipe of an air manifold sequential penetrates through through holes in the top of the steam chamber in a sealed mode and extends into the water jacket group. The biomass steam generator is simple and compact in structure, small in space occupation, full in combustion of biomass fuels and high in heat exchange efficiency.

Description

technical field [0001] The invention relates to the technical field of biomass boilers, in particular to a biomass steam generator. Background technique [0002] Biomass boilers are loved by everyone because of their advantages such as low operating costs, energy saving, and environmental protection (can effectively reduce energy consumption, reduce emissions of carbon dioxide, sulfur dioxide and nitrogen oxides, and greatly improve the environment), and the country is also emphatically promoting them. Biomass boiler and biomass boiler combustion technology. [0003] The biomass steam generator is a kind of biomass boiler. The biomass steam generator is a heat exchange device that uses the heat energy generated by the combustion of biomass fuel to heat water into steam. The existing biomass steam generator has a complex structure and takes up a large space. During operation, the biomass fuel is not fully burned, the combustion efficiency is low, and fuel waste is caused. In...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F22B31/08F23K3/02
CPCF22B31/08F23K3/02F23K2203/201F23K2203/202
Inventor 赵达斌
Owner 张家港市天源机械制造有限公司
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