Clean heating stove

By installing a preheating device inside the biomass fuel heating stove, the gas is heated and then introduced into the upper combustion chamber, which solves the problem of temperature drop caused by oxygen supply and improves combustion speed and heating efficiency.

CN223709709UActive Publication Date: 2025-12-23KUENTEK (LIAONING) EQUIP MFG CO LTD
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Patent Information

Application Number
CN202423117017.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-12-23
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Traditional biomass fuel heating stoves experience a drop in internal temperature when oxygen is supplied, which affects heating efficiency.

Method used

A preheating device is installed inside the furnace to introduce gas into the lower oxygenation chamber and heat it through heat pipes and heat sinks. The hot gas is discharged into the upper combustion chamber through an annular exhaust port, preheating the incoming gas to improve combustion speed and efficiency.

Benefits of technology

By using a preheating device to improve the combustion speed and efficiency of biomass fuel, the problem of rapid temperature drop is solved, thus increasing heating efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223709709U_ABST
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Abstract

The utility model discloses a clean heating stove which comprises a stove body, a partition plate is arranged in the stove body, the interior of the stove body is divided into an upper combustion cavity and a lower oxygen adding cavity by the partition plate, and a preheating device used for heating gas in the lower oxygen adding cavity is installed on the partition plate. Heat generated during combustion of biomass fuel in the upper combustion cavity can be conducted into the lower oxygen adding cavity, gas is sucked into the lower oxygen adding cavity through the sucking pump, the conducted heat heats the gas in the lower oxygen adding cavity, and then the heated gas is exhausted into the upper combustion cavity through the annular exhaust hole. And the biomass fuel entering the upper combustion cavity is preheated, so that the problem that the temperature in the furnace body is rapidly reduced due to oxygenation is solved, the combustion efficiency of the biomass fuel is improved, and the heating efficiency is indirectly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to clean heating technical field, and the specific field is a clean heating stove. BACKGROUND

[0002] Clean heating is a kind of more environmentally friendly heating equipment today, and a large number of biomass material heating stoves are used today.But the traditional biomass fuel heating stove, when providing external air into the inside of the furnace, will cause the inside temperature of the furnace to continue to decrease, and then directly affect the heating efficiency, so preheating is needed in the oxygen supply part, and therefore a kind of clean heating stove is proposed. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a kind of clean heating stove to solve the problems proposed in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of clean heating stove, including stove body, the stove body is provided with partition, the partition is divided into upper combustion cavity and lower oxygen adding cavity in it, preheating device for heating gas in lower oxygen adding cavity is installed on the partition, gas is introduced into lower oxygen adding cavity by the air pump installed at the bottom of stove body, and the gas is heated by preheating device, and then is discharged into upper combustion cavity by the annular exhaust hole opened on the partition.

[0005] Preferably, the preheating device includes heat pipes symmetrically installed on the partition, the heat pipes extend into the lower oxygen adding cavity, a heat conducting ring is connected between the two heat pipes, and the heat conducting ring is provided with annularly distributed cooling fins.

[0006] Preferably, symmetric mounting holes are opened on the partition, the heat pipes are inserted into the mounting holes, positioning rings are screwed on the heat pipes, the positioning rings extend outward at the upper end of the mounting holes, and are limited by the nuts screwed on the heat pipes.

[0007] Preferably, a gas guide cover is installed at the bottom of the lower oxygen adding cavity, and the gas guide cover is buckled on the exhaust end of the air pump, so that the gas is dispersed in the lower oxygen adding cavity by the gas guide cover.

[0008] Compared with the prior art, the beneficial effects of the utility model are that: a clean heating stove, through the preheating device that sets up, can make the heat that the biomass fuel produces when burning in the upper combustion cavity heat conduction to the lower oxygen adding cavity, through the air pump, gas is sucked to the lower oxygen adding cavity, the heat conduction heats the gas in the lower oxygen adding cavity, and the heated gas is discharged into the upper combustion cavity through the annular exhaust hole, the burning speed of the biomass fuel in the upper combustion cavity is accelerated, the preheating of the gas into the upper combustion cavity solves the problem of rapid temperature drop in the furnace body due to oxygen addition, increases the combustion efficiency of the biomass fuel, and indirectly increases the heating efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0009] Fig. 1 It is the whole structure schematic view of the utility model;

[0010] Fig. 2 It is the internal structure section view of the stove body of the utility model;

[0011] Fig. 3 It is the preheating device structure exploded view of the utility model.

[0012] In the drawing: 1-stove body, 2-baffle, 3-upper combustion cavity, 4-lower oxygen adding cavity, 5-preheating device, 51-heat pipe, 52-heat ring, 53-radiator, 54-mounting hole, 55-positioning ring, 56-nut, 6-air pump, 7-annular exhaust hole, 8-gas guide cover. DETAILED DESCRIPTION

[0013] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0014] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme: a clean heating stove, including stove body 1, stove body 1 is provided with baffle 2, baffle 2 is divided into upper combustion cavity 3 and lower oxygen adding cavity 4 in it, preheating device 5 for heating gas in lower oxygen adding cavity 4 is installed on baffle 2, gas is guided into lower oxygen adding cavity 4 by air pump 6 installed at the bottom of stove body 1, and heated by preheating device 5, then discharged into upper combustion cavity 3 by annular exhaust hole 7 opened on baffle 2.

[0015] The upper end of baffle 2 is provided with a combustion head.

[0016] The furnace body 1 is provided with a feeding pipe communicated with the upper combustion cavity 3, and a heating pipe is arranged at the upper end of the furnace body 1.

[0017] The lower end of the furnace body 1 is provided with a detachable bottom plate, and the partition plate 2 in the furnace body 1 is detachable, so that the preheating device 5 can be conveniently maintained and repaired.

[0018] The preheating device 5 comprises heat-conducting pipes 51 symmetrically arranged on the partition plate 2, the heat-conducting pipes 51 extend into the lower oxygen adding cavity 4, and a heat-conducting ring 52 is arranged between the two heat-conducting pipes 51, and the heat-conducting ring 52 is provided with heat radiating fins 53 arranged in a ring shape.

[0019] Symmetrical mounting holes 54 are formed in the partition plate 2, the heat-conducting pipes 51 are inserted into the mounting holes 54, positioning rings 55 are screwed on the heat-conducting pipes 51, the positioning rings 55 extend outward at the upper end of the mounting holes 54, and the positioning rings 55 are limited by nuts 56 screwed on the heat-conducting pipes 51.

[0020] A gas guide cover 8 is arranged at the bottom of the lower oxygen adding cavity 4, the outer side of the gas guide cover is provided with uniformly distributed gas guide holes, and the gas guide cover 8 is buckled on the exhaust end of the air pump 6, so that the gas is dispersed in the lower oxygen adding cavity 4 through the gas guide cover 8.

[0021] Working principle: the biomass fuel is sent into the upper combustion cavity 3 through the feeding pipe, and then the biomass fuel is ignited by starting the combustion head, the heat generated in the upper combustion cavity 3 is conducted out through the heating pipe to heat, the heat generated by the combustion of the biomass fuel is conducted by the heat-conducting pipes 51, the heat is conducted to the heat-conducting ring 52, and the heat is radiated in the lower oxygen adding cavity 4 through the heat radiating fins 53, the air pump 6 is started, the external gas is introduced into the gas guide cover 8 through the air pump 6, and the gas is dispersed in the lower oxygen adding cavity 4 through the gas guide cover 8, the heat preheats the gas in the lower oxygen adding cavity 4, the heated gas is discharged into the combustion cavity 3 through the annular exhaust hole 7, the combustion speed of the biomass fuel is accelerated, and the temperature in the upper combustion cavity 4 is not affected by the entering gas.

[0022] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A clean-burning stove, characterised in that: The application relates to a stove body, a partition plate is arranged in the stove body, the partition plate divides the stove body into an upper combustion cavity and a lower oxygen adding cavity, a pre-heating device for heating gas in the lower oxygen adding cavity is arranged on the partition plate, a gas suction pump arranged at the bottom of the stove body is used for guiding gas into the lower oxygen adding cavity, the gas is heated by the pre-heating device, and then the gas is discharged into the upper combustion cavity through an annular exhaust hole arranged on the partition plate.

2. A clean-burning stove as claimed in claim 1, characterised in that: The pre-heating device comprises heat-conducting pipes symmetrically arranged on the partition plate, the heat-conducting pipes extend into the lower oxygen adding cavity, a heat-conducting ring is connected between the two heat-conducting pipes, and the heat-conducting ring is provided with annularly distributed heat radiating fins.

3. A clean-burning stove as claimed in claim 2, characterised in that: Symmetrical mounting holes are arranged on the partition plate, the heat-conducting pipes are inserted into the mounting holes, positioning rings are screwed on the heat-conducting pipes, the positioning rings extend outward at the upper end of the mounting holes, and the positioning rings are limited by nuts screwed on the heat-conducting pipes.

4. A clean-burning stove as claimed in claim 1, characterised in that: A gas guide cover is arranged at the bottom of the lower oxygen adding cavity, the gas guide cover is buckled on the exhaust end of the gas suction pump, and the gas guide cover is used for dispersing gas in the lower oxygen adding cavity.