Novel industrial furnace burner heating system
By introducing a direct-flame and horizontal-flame burner heating system into the industrial furnace, combined with a honeycomb heat storage body and thermocouples, precise temperature control was achieved, solving the problem of uneven furnace temperature and improving product quality and energy efficiency.
Patent Information
- Application Number
- CN202520294785.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-02-24
AI Technical Summary
Existing industrial furnaces have high burner power and complex furnace conditions, which leads to deviations in the performance of raw materials and products, and even product defects, and also consumes a lot of energy.
A novel industrial furnace burner heating system is designed, comprising a direct flame burner and a flat flame burner, combined with a honeycomb heat storage body, a shaped brick fixing layer, a control thermocouple, and a recording thermocouple. By using the flat flame burner to maintain the temperature at high temperatures and the direct flame burner to raise the temperature at low temperatures, precise temperature control and stability are achieved.
It improved furnace temperature control performance, reduced energy consumption, increased product qualification rate and equipment stability, and enhanced the company's competitiveness.
Smart Images
Figure CN223782837U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to industrial furnace heating technical field, concretely is a new industrial furnace burner heating system. BACKGROUND
[0002] With the continuous development of large forging industry, the heat treatment temperature control requirement of raw material is higher and higher, so the performance of furnace temperature uniformity becomes the important index of industrial furnace equipment standard grade. But because the burner power of heating furnace is big, the furnace condition loading is more complex, and the pulse flame of straight flame burner has big influence on the local temperature of material, causes the performance of raw material product to have deviation, even leads to product not to be in conformity with. For this, we propose a new industrial furnace burner heating system. UTILITY MODEL CONTENTS
[0003] The utility model discloses a new industrial furnace burner heating system to solve the problem in the background art.
[0004] To achieve the above object, the utility model provides the following technical scheme: a new industrial furnace burner heating system, including the furnace table, the furnace table upper end is equipped with the furnace lining, the furnace lining upper portion outside is installed with the straight flame burner, the straight flame burner upper end is connected with the straight flame burner heat storage box body, the straight flame burner heat storage box body inside is equipped with honeycomb heat accumulator and the special-shaped brick fixed layer, the furnace lining lower part is inserted with control thermocouple and record thermocouple, the furnace lining upper end is equipped with the flat flame burner, the flat flame burner upper end is connected with the flat flame heat storage box body, the junction of straight flame burner and flat flame burner and furnace lining all is equipped with the refractory fiber layer.
[0005] Preferably, the honeycomb heat accumulator is 110 pieces, and the size is 100mm*100mm square heat accumulator.
[0006] Preferably, the special-shaped brick fixed layer is located at the lower end of the honeycomb heat accumulator, and the side of the special-shaped brick fixed layer is fixed with the inner side wall of the straight flame burner heat storage box body.
[0007] Preferably, the straight flame burner is provided with a gas core pipe.
[0008] Preferably, the furnace lining is a high-aluminum furnace lining containing 5% alumina, and a 3mm expansion joint is reserved every 600mm.
[0009] Preferably, the refractory fiber layer is adhered to the junction of the straight flame burner and the flat flame burner and the furnace lining by high-temperature paint.
[0010] Compared with the prior art, the novel industrial furnace burner heating system has the advantages that: the flat flame burner, the control thermocouple and the recording thermocouple are arranged, the temperature in the furnace can be better adjusted, the flat flame burner has higher stability than the straight flame pulse burner, the heat conduction influence on the local problem of the material is not too large, the straight flame burner is used in the high-speed heating stage, and the flat flame burner is preferentially used in the heat preservation stage, the furnace temperature control performance of the equipment is improved, the first-time and qualified rates of products are improved, normal operation of the equipment is ensured, energy is more saved, the production energy cost is reduced, the competitiveness of the company in the industry is increased, and social benefits are improved. BRIEF DESCRIPTION OF DRAWINGS
[0011] Fig. 1 is a sectional view of the utility model;
[0012] Fig. 2 is a sectional view of the straight flame burner heat storage box body of the utility model.
[0013] In the drawing: 1 is a straight flame burner heat storage box body, 101 is a honeycomb heat storage body, 102 is a special-shaped brick fixed layer, 2 is a straight flame burner, 3 is a control thermocouple, 4 is a furnace lining, 41 is a refractory fiber layer, 5 is a furnace table, 6 is a flat flame heat storage box body, 7 is a flat flame burner, and 8 is a recording thermocouple. DETAILED DESCRIPTION
[0014] The technical solutions 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 part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0015] Please refer to Figs. 1-2The utility model provides a technical scheme: A novel industrial furnace burner heating system, including the furnace table 5, the furnace table 5 upper end is equipped with the furnace lining 4, the furnace lining 4 is the high alumina furnace lining containing 65% alumina, every 600mm is reserved 3mm expansion joint, is used to guarantee material to have expansion space, can use at 1500 DEG C for a long time, the furnace lining 4 upper portion outside is installed with direct flame burner 2, the direct flame burner 2 inside is equipped with gas core pipe, transports gas and combustion air ratio mixes and sprays high pulse direct flame flame, and direct flame burner 2 power is larger, is mainly used for low temperature stage high speed temperature rise injection pulse flame, the direct flame burner 2 upper end is connected with direct flame burner regenerator box 1, the direct flame burner regenerator box 1 inside is equipped with honeycomb regenerator 101 and special-shaped brick fixed layer 102, the number of honeycomb regenerator 101 is 110, and the specification is 100mm*100mm square regenerator, the special-shaped brick fixed layer 102 is located honeycomb regenerator 101 lower end, and the side of special-shaped brick fixed layer 102 is fixed with the inner wall of direct flame burner regenerator box 1, and honeycomb regenerator 101 is used to recycle the heat of backflow flue gas, and is connected with direct flame burner 2, the furnace lining 4 lower part is inserted with control thermocouple 3 and recording thermocouple 8, and control thermocouple 3 and recording thermocouple 8 play the role of control equipment internal temperature and record furnace body temperature respectively when equipment is running, one 2, the model is S type noble metal thermocouple, and long-term use temperature can reach 1500 DEG C, and control thermocouple 3 is used to control furnace body temperature, plays the role of feedback control to system temperature, and recording thermocouple 8 is used to record whole process furnace body temperature, is used to protect system temperature, avoids serious overtemperature and equipment anomaly etc., the furnace lining 4 upper end is equipped with flat flame burner 7, mainly utilizes flat flame burner 7 output in high temperature heat preservation stage, and flat flame burner 7 adopts circular pipeline gas delivery mode, makes gas inlet travel vortex dispersion type, belongs to low power burner, mainly plays the role of heat preservation, the flat flame burner 7 upper end is connected with flat flame regenerator box 6, the junction of direct flame burner 2 and flat flame burner 7 and furnace lining 4 is equipped with refractory fibre layer 41, the refractory fibre layer 41 is adhered in the junction of direct flame burner 2 and flat flame burner 7 and furnace lining 4 by high temperature coating, is used to guarantee the stability and high temperature resistance of direct flame burner 2 and flat flame burner 7 and furnace lining 4 connection.
[0016] Heating system operating principle and steps:
[0017] First, in the heating furnace temperature rising stage, the system automatically allocates direct flame burner 2 to work, and uses high-power pulse burner to heat according to the process requirements.
[0018] Secondly, in the process of temperature rise, the system temperature is fed back by using the control type thermocouple 3, the power output of the direct flame burner 2 is automatically adjusted in real time through the feedback condition, the thermocouple 8 is recorded to play a protection role, and the occurrence of over-temperature and other serious quality and safety accidents is avoided, the flat flame burner 7 is used in the high-temperature stage, and the temperature requirement of the process is constantly maintained, which is more beneficial to maintain the uniformity of the furnace temperature of the equipment.
[0019] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A novel industrial furnace burner heating system, comprising a furnace platform (5), characterized in that: The furnace platform (5) is provided with a furnace lining (4) at the upper end. A direct flame burner (2) is installed on the upper outer side of the furnace lining (4). The upper end of the direct flame burner (2) is connected to a direct flame burner heat storage box (1). The direct flame burner heat storage box (1) is provided with a honeycomb heat storage body (101) and a special-shaped brick fixing layer (102) inside. A control thermocouple (3) and a recording thermocouple (8) are inserted in the lower part of the furnace lining (4). A flat flame burner (7) is provided at the upper end of the furnace lining (4). The upper end of the flat flame burner (7) is connected to a flat flame heat storage box (6). A refractory fiber layer (41) is provided at the connection between the direct flame burner (2), the flat flame burner (7) and the furnace lining (4).
2. The novel industrial furnace burner heating system according to claim 1, characterized in that: The number of the honeycomb heat storage elements (101) is 110, and each element is a square heat storage element with a size of 100mm*100mm.
3. The novel industrial furnace burner heating system according to claim 1, characterized in that: The irregular brick fixing layer (102) is located at the lower end of the honeycomb heat storage body (101), and the side of the irregular brick fixing layer (102) is fixed to the inner wall of the direct flame burner heat storage box (1).
4. The novel industrial furnace burner heating system according to claim 1, characterized in that: The direct flame burner (2) is equipped with a gas core tube inside.
5. A novel industrial furnace burner heating system according to claim 1, characterized in that: The furnace lining (4) is a high-alumina furnace lining containing 65% alumina, with a 3mm expansion joint reserved every 600mm.
6. A novel industrial furnace burner heating system according to claim 1, characterized in that: The refractory fiber layer (41) is bonded to the connection between the direct flame burner (2), the horizontal flame burner (7), and the furnace lining (4) by a high-temperature coating.