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Straw whole-package direct-combustion wind-free no-heat-exchange double-cavity rotary hot air boiler

A hot air boiler and direct combustion technology, applied in the boiler field, can solve the problems of increased heating cost, insufficient combustion, slow combustion speed, etc., and achieve the effect of low consumption and reduced heating cost

Active Publication Date: 2019-11-05
张德忠
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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 problems that the existing straw direct-fired boilers need blower-induced air equipment to support combustion, increase the heating cost, slow combustion speed, and insufficient combustion, and further provide a direct-fired straw-free boiler. Air-assisted non-heat exchange double-chamber rotary hot air boiler

Method used

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  • Straw whole-package direct-combustion wind-free no-heat-exchange double-cavity rotary hot air boiler

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1 pic 1 Embodiment approach ， Embodiment approach 1 ，1 and 5，1，2、3、4、6 and 7，11-1、1-2、1-3、1-4 and 1-5，1-1 and 1-2，1-21-1，1-2；1-1 no. 1 1-1-1、1-1-2 and no. 2 1-1-3， no. 1 1-1-1、1-1-2 and no. 2 1-1-3 to ；1-2 no. 1 1-2-1、1-2-2 and no. 2 1-2-3， no. 1 1-2-1、1-2-2 and no. 2 1-2-3 to ； no. 2 1-1-3 and no. 2 1-2-31-4，1-4，1-3 and 1-51-4； no. 1 1-1-1、1-1-2、1-3、 no. 1 1-2-1 and 1-2-21-7；1-1、1-3、1-4 and 1-51-10；1-2、1-3、1-4 and 1-51-6；1-7 and 1-101-3 no. 1 1-3-1，1-10 and 1-61-4 no. 2 1-4-1， no. 1 1-3-1 and no. 2 1-4-1； no. 1 1-2-1，1-2-2 and no. 2 1-2-3， no. 2 1-2-35； no. 2 1-2-3 to 2、3 and 4，27，7 no. 2 1-2-3，7 and 1-6；1 1 1-8，1-82，1-8 1 and ，1-8 1 1-1 and ，1 1 1-9，1-92，1-9 1 and 1-6，1-9 1 1-1 and 6。 specific Embodiment approach 2

[0020] Embodiment 1: Combining figure 1Describe this embodiment, a kind of direct-fired direct-fired double-chamber rotary hot-air boiler with no air-assisted air and no heat exchange in this embodiment. As a vertical structure, the double-cavity rotary hot air boiler also includes an upper grate 2, a middle grate 3, a lower grate 4, a clean hot air supply pipe 6 and multiple rows of heated tube bundles 7, and the boiler body 1 includes an outer box plate 1 -1. Inner box board 1-2, upper partition board 1-3 of the transverse furnace chamber, longitudinal furnace chamber partition board 1-4 and lower partition board 1-5 of the transverse furnace chamber, outer box board 1-1 and inner box board 1 -2 are hollow cylindrical structures, the inner box plate 1-2 is coaxially arranged inside the outer box plate 1-1, and the inside of the inner box plate 1-2 forms a furnace; the outer box plate 1-1 includes the coaxially arranged first One outer box straight section 1-1-1, outer box c...

specific Embodiment approach 3

[0021] Specific implementation three: combination figure 1 Illustrate this embodiment, the outer diameter of the ring-shaped furnace chamber partition plate 1-3 of this embodiment is equal to the inner diameter of the second outer box straight cylinder end 1-1-3, and the inner diameter of the ring-shaped furnace chamber partition plate 1-3 is equal to the second inner diameter. The outer diameters of the box straight sections 1-2-3 are equal. Other compositions and connections are the same as those in Embodiment 1 or Embodiment 2.

specific Embodiment approach 4

[0022] Specific embodiment four: combination figure 1 To illustrate this embodiment, the height of the longitudinal furnace cavity partition plate 1-4 of this embodiment is equal to the height of the straight end 1-1-3 of the second outer box and the straight section 1-2-3 of the second inner box respectively. Other compositions and connections are the same as those in Embodiment 1, 2 or 3.

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PUM

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Abstract

The invention discloses a straw whole-package direct-combustion wind-free no-heat-exchange double-cavity rotary hot air boiler, and relates to the technical field of boilers. According to the rotary hot air boiler, the problems that an existing straw whole-package direct-burning boiler requires air blowing and air inducing equipment to support combustion, the heat supply cost is increased, the combustion speed is low, and the combustion is not sufficient are solved. According to the rotary hot air boiler, a preheating cavity is formed among an outer box plate, a transverse furnace chamber upper partition plate, a longitudinal furnace chamber partition plate and a transverse furnace chamber lower partition plate; a heating chamber is formed among an inner box plate, a transverse furnace chamber upper partition plate, a longitudinal furnace chamber partition plate and a transverse furnace chamber lower partition plate; the lower part of the straight section of a second inner box is provided with a dust collecting and discharging chamber; an upper-layer grate, a middle-layer grate and a lower-layer grate are sequentially arranged in the straight section of the second inner box from top to bottom, a plurality of rows of heated tube bundles are arranged on the upper portion of the upper-layer grate, the plurality of rows of heated tube bundles are horizontally arranged inside the straight section of the second inner box, and the two ends of the heated tube in each row of heated tube bundles are correspondingly in communication with the heating chamber. The rotary hot air boileris used for fully and rapidly burning straw whole-package wind-free non-heat-exchange heat.

Description

technical field [0001] The invention relates to the technical field of boilers, in particular to a double-chamber swirling hot-air boiler with direct combustion of whole straw without air-assisted air and heat exchange. Background technique [0002] At present, the boiler industry has manufactured a series of biomass heating boilers to solve the problem of straw leaving the field for digestion in agricultural production. However, there are still problems to be solved in the actual application of existing boilers, mainly as follows: (1) In terms of design concept It has not really broken the framework of the traditional coal-fired boiler structure. It is inseparable from the blasting and air-inducing equipment. It only burns straw briquettes and granules, and the operating cost is high; (2) Although some boilers use no wind to assist combustion, they are subject to combustion Due to the structure of the chamber, it is impossible to directly and fully burn the whole bag of str...

Claims

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Application Information

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IPC IPC(8): F24H3/00F24H9/18F24H9/02F24H9/00
CPCF24H3/008F24H9/0052F24H9/0063F24H9/02F24H9/189
Inventor 张德忠
Owner 张德忠