Energy-saving type kiln for firing purple pottery

Abstract

This utility model discloses an energy-saving kiln for firing purple pottery, relating to the field of purple pottery firing technology. The energy-saving kiln includes a kiln frame, with one end of the frame designated as a high-heat-dissipation furnace wall mounting area and the other end as a regular furnace wall mounting area. A stainless steel protective shell is fixedly connected within the high-heat-dissipation furnace wall mounting area of ​​the kiln frame, and thickened aluminum silicate insulation cotton is fixedly connected to the inner side of the stainless steel protective shell. This energy-saving kiln for firing purple pottery reduces heat entrainment during the flue gas process, further reducing energy waste. Its overall energy-saving effect is 50% higher than that of traditional kilns. A heat flow compensation detection and control device, combined with a mesh pipeline, achieves dynamic temperature balance within the kiln, controlling the temperature difference within ±5℃, avoiding the "local overheating / overcooling" problem of traditional kilns, and fundamentally reducing defects such as cracking, deformation, and uneven coloring of the purple pottery.

Description

Technical Field

[0001] This utility model relates to the field of purple pottery firing technology, and in particular to an energy-saving kiln for firing purple pottery. Background Technology

[0002] Patent application number CN202121129080.2 discloses a biomass fuel kiln for firing purple pottery. This solution addresses the problem that existing biomass fuel kilns for firing purple pottery may increase firing costs and reduce profits when using biomass briquettes. This may lead to the direct use of agricultural and forestry waste for firing purple pottery, which, due to the waste not being properly crushed and dried, results in incomplete combustion, reduced heat, and negatively impacts the firing process and quality of the purple pottery. However, this solution still has the following problems: In both traditional and modern industrialized production of Zitao pottery, the kiln, as the core thermal equipment, directly determines the quality, production efficiency, and overall cost of the finished product. However, the traditional Zitao kilns widely used in the industry today, limited by structural design and technological concepts, have significant defects in key dimensions such as heat preservation and energy saving, temperature control, structural durability, and environmental safety. They are no longer suitable for the high-quality and large-scale development needs of the Zitao industry. Specifically, the heat preservation structure is homogeneous, resulting in severe heat loss and high energy costs. Traditional Zitao kilns generally adopt a homogeneous furnace wall structure of "uniform refractory bricks + single-layer insulation cotton," without considering the heat dissipation differences in different areas of the furnace. For example, the furnace wall near the flue gas outlet and kiln door, due to direct contact with external air or frequent opening and closing, has a heat dissipation rate 2-3 times higher than other areas. According to industry survey data, heat loss due to heat preservation defects in traditional kilns accounts for more than 45% of the total energy consumption. This not only prolongs the kiln heating time (2-3 hours longer than ideal conditions) but also requires more fuel (such as diesel). Traditional purple pottery kilns rely on a single furnace (firewood or natural gas) to maintain firing temperature. Assuming an average of two batches of purple pottery are fired per kiln per day, the lack of temperature control results in large temperature differences within the kiln, leading to a low yield of finished purple pottery. Purple pottery firing demands strict temperature uniformity, requiring the temperature difference within the kiln to be controlled within ±10℃. Otherwise, defects such as cracking (cracking rate reaches 30% when temperature difference > 15℃) and uneven coloring (color deviation rate exceeds 40% when temperature difference > 8℃) are likely to occur. However, traditional purple pottery kilns lack effective temperature control mechanisms, relying solely on a single heating source at the kiln bottom (such as a wood-fired stove, natural gas, etc.). The kiln uses air nozzles to heat the entire furnace, resulting in a disordered distribution of heat flow inside the furnace, characterized by "heat at the bottom and cold at the top, and heat near the source and cold at the far source." Local temperature differences often reach 20-30℃. Although some simple kilns have attempted to improve the heat flow by adding guide plates, they cannot monitor and compensate for local temperature deviations in real time. This leads to inconsistent quality of finished Zitao products from the same batch, with a yield rate generally below 70%. The yield rate of some complex shapes (such as large vases and thin-walled vessels) is even less than 50%, which seriously restricts the quality of Zitao products and the economic benefits of enterprises. Utility Model Content

[0003] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and to provide an energy-saving kiln for firing purple pottery, which can solve the above-mentioned problems.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an energy-saving kiln for firing purple pottery, comprising a kiln frame, one end of which is set as a high heat dissipation furnace wall installation area, and the other end of which is set as a normal furnace wall installation area. A stainless steel protective shell is fixedly connected to the high heat dissipation furnace wall installation area of ​​the kiln frame, and a thickened aluminum silicate insulation cotton is fixedly connected to the inside of the stainless steel protective shell. Thickened aluminum silicate insulation cotton is fixedly connected to a thickened lightweight mullite brick on the side away from the stainless steel protective shell. High-temperature refractory mortar is fixedly connected in the gaps of the thickened lightweight mullite brick, and the high-temperature refractory mortar covers the surface of the thickened lightweight mullite brick. A furnace wall steel plate is fixedly connected within the ordinary furnace wall installation area of ​​the kiln frame, and the connection between the furnace wall steel plate and the stainless steel protective shell is continuous.

[0005] Preferably, a high-alumina ceramic fiber blanket is fixedly connected inside the high-temperature refractory mortar, and the outer side of the high-alumina ceramic fiber blanket is fitted with a stainless steel protective shell. The surface of the high-alumina ceramic fiber blanket is fixedly connected with high-temperature resistant rivets, and the end of the high-temperature resistant rivet away from the thickened lightweight mullite brick is fixedly connected with a hexagonal nail head.

[0006] Preferably, a ceramic fiber cap is fixedly connected to the surface of the hexagonal nail head, the ceramic fiber cap is fitted on the outside of the hexagonal nail head, and the ceramic fiber cap is attached to the inside of the high-alumina ceramic fiber blanket.

[0007] Preferably, ordinary aluminum silicate insulation cotton is fixedly connected to the inner side of the furnace wall steel plate, and ordinary lightweight mullite brick is fixedly connected to the end of the ordinary aluminum silicate insulation cotton away from the furnace wall steel plate. High-temperature refractory mortar is fixedly connected to the gaps of the ordinary lightweight mullite bricks, and ordinary high-alumina ceramic fiber blanket is fixedly connected inside the high-temperature refractory mortar. The outer side of the ordinary high-alumina ceramic fiber blanket is fixedly connected to the inner side of the furnace wall steel plate.

[0008] Preferably, the surface of the ordinary high-alumina ceramic fiber blanket is fixedly connected with high-temperature resistant rivets, and the distribution of these high-temperature resistant rivets is consistent with that of the high-temperature resistant rivets on the surface of the dense high-alumina ceramic fiber blanket. The connection between the high heat dissipation furnace wall installation area and the ordinary furnace wall installation area, as well as the areas not protected by the insulation device, are all subject to corner reinforcement insulation treatment.

[0009] Preferably, a kiln door frame is fixedly connected to one end of the furnace wall steel plate away from the high heat dissipation furnace wall installation area, and a kiln door is connected inside the kiln door frame; A foldable mounting plate is fixedly connected to one end of the kiln door, and the end of the foldable mounting plate away from the kiln door is fixedly connected to the kiln door frame.

[0010] Preferably, a baffle groove is fixedly connected to the surface of the kiln door frame away from the foldable mounting piece; The end of the kiln door away from the foldable mounting plate is fixedly connected to a baffle mounting column, and a baffle is fixedly connected to the surface of the baffle mounting column. The end of the baffle away from the baffle mounting column is engaged with the baffle slot.

[0011] Preferably, the top surfaces of the furnace wall steel plate and the stainless steel protective shell are both fixedly connected to heat flow compensation pipe branches, and heat flow compensation pipes are fixedly connected between each heat flow compensation pipe branch. A heat flow compensation detection and control device is fixedly connected to the center of each heat flow compensation pipe. The stainless steel protective shell is fixedly connected to a flue gas outlet mounting base on the side away from the heat flow compensation pipe and close to the kiln frame. The end of the flue gas outlet mounting base away from the stainless steel protective shell is fixedly connected to a flue gas outlet, and the flue gas outlet is connected in a through connection with the flue gas exhaust device installed inside the kiln.

[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. This energy-saving kiln for firing purple pottery features a differentiated insulation design. For high heat dissipation areas, it uses "thickened + denser" materials (thickened aluminum silicate insulation cotton and denser ceramic fiber blankets), while ordinary areas use suitable materials, avoiding cost waste caused by excessive insulation. The entire kiln body is insulated without dead corners (including corner reinforcement) and the kiln door is sealed, reducing heat loss by more than 35% and significantly reducing fuel consumption (such as natural gas and firewood). Based on an average of two batches of purple pottery fired daily, it can save approximately 40% on fuel costs annually. The sealed and directional design of the exhaust system reduces heat entrainment during exhaust, further reducing energy waste. The overall energy-saving effect is 50% higher than traditional kilns. A heat flow compensation detection and control device, combined with a mesh pipeline, achieves dynamic temperature balance within the kiln, controlling the temperature difference within ±5℃, avoiding the "local overheating / overcooling" problems of traditional kilns, and fundamentally reducing defects such as cracking, deformation, and uneven coloring of the purple pottery.

[0013] 2. This energy-saving kiln, fired in purple pottery, features an outer stainless steel protective shell that is impact-resistant and deformation-resistant. The furnace wall steel plate provides strong support and can withstand external impacts during transportation and use. The inner layer of mullite bricks has excellent thermal shock resistance, and the ceramic fiber blanket is resistant to high temperatures and aging. Combined with the triple fixing of high-temperature resistant rivets, hexagonal nail heads, and ceramic fiber caps, it prevents material from falling off due to long-term high temperatures. The foldable mounting plate and the mechanical structure of the baffle are highly durable, with more than 1500 opening and closing cycles without failure. The overall service life of the equipment is 50% longer than that of traditional kilns, reducing the frequency of maintenance and replacement. The kiln door opens and closes flexibly through the foldable mounting plate, and the baffle and the slot fastening do not require tools, allowing a single person to complete the operation and reducing labor intensity. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments: Figure 1 This is a schematic diagram of an energy-saving kiln for firing purple pottery according to the present invention; Figure 2 This utility model Figure 1 A schematic diagram at point B in the middle; Figure 3 This is a schematic diagram of an energy-saving kiln for firing purple pottery according to the present invention; Figure 4 This utility model Figure 3 A schematic diagram at point C in the middle; Figure 5 This is a schematic diagram of an energy-saving kiln for firing purple pottery according to the present invention; Figure 6 This utility model Figure 5 A schematic diagram of point A in the middle.

[0015] Attached reference numerals: 1. Branch of heat flow compensation pipeline; 2. Heat flow compensation pipeline; 3. Heat flow compensation detection and control device; 4. Exhaust port; 5. Kiln frame; 6. Stainless steel protective shell; 7. Furnace wall steel plate; 8. Foldable mounting plate; 9. Kiln door; 10. Kiln door frame; 11. Thickened aluminosilicate insulation cotton; 12. High-temperature refractory mortar; 13. Thickened lightweight mullite brick; 14. Densified high-alumina ceramic fiber blanket; 15. Ordinary high-alumina ceramic fiber blanket; 16. Ordinary lightweight mullite brick; 17. Ordinary aluminosilicate insulation cotton; 18. High-temperature resistant rivet; 19. Hexagonal nail head; 20. Ceramic fiber cap; 21. Baffle slot; 22. Baffle; 23. Baffle mounting column; 24. Exhaust port mounting seat. Detailed Implementation

[0016] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0017] Please see Figure 1-6 This utility model provides a technical solution: an energy-saving kiln for firing purple pottery includes a kiln frame 5, one end of the kiln frame 5 is a high heat dissipation furnace wall installation area, the other end of the kiln frame 5 is a normal furnace wall installation area, a stainless steel protective shell 6 is fixedly connected in the high heat dissipation furnace wall installation area of ​​the kiln frame 5, and a thickened aluminum silicate insulation cotton 11 is fixedly connected inside the stainless steel protective shell 6. Thickened aluminum silicate insulation cotton 11 is fixedly connected to a thickened lightweight mullite brick 13 on the side away from the stainless steel protective shell 6. High-temperature refractory mortar 12 is fixedly connected in the gap of the thickened lightweight mullite brick 13, and the high-temperature refractory mortar 12 covers the thickened lightweight mullite brick 13. A high-temperature refractory mortar 12 is internally fixed with a high-alumina ceramic fiber blanket 14, and the outer side of the high-alumina ceramic fiber blanket 14 is fitted with a stainless steel protective shell 6. The surface of the high-alumina ceramic fiber blanket 14 is fixedly connected with high-temperature resistant rivets 18, and the end of the high-temperature resistant rivets 18 away from the thickened lightweight mullite brick 13 is fixedly connected with a hexagonal nail head 19. A ceramic fiber cap 20 is fixedly connected to the surface of the hexagonal nail head 19. The ceramic fiber cap 20 is fitted onto the hexagonal nail head 19 and is attached to the inner side of the high-alumina ceramic fiber blanket 14. A furnace wall steel plate 7 is fixedly connected within the ordinary furnace wall installation area of ​​the kiln frame 5, and the connection between the furnace wall steel plate 7 and the stainless steel protective shell 6 is continuous. Ordinary aluminum silicate insulation cotton 17 is fixedly connected to the inner side of the furnace wall steel plate 7, and ordinary lightweight mullite brick 16 is fixedly connected to the end of the ordinary aluminum silicate insulation cotton 17 away from the furnace wall steel plate 7. The gaps of the ordinary lightweight mullite brick 16 are fixedly connected with high-temperature refractory mortar 12, and the high-temperature refractory mortar 12 is fixedly connected with ordinary high-alumina ceramic fiber blanket 15. The outer side of the ordinary high-alumina ceramic fiber blanket 15 is fixedly connected to the inner side of the furnace wall steel plate 7. The surface of the ordinary high-alumina ceramic fiber blanket 15 is fixedly connected with high-temperature resistant rivets 18, which are distributed in the same way as the high-temperature resistant rivets 18 on the surface of the densified high-alumina ceramic fiber blanket 14. Strengthen corner insulation at the junction of the high heat dissipation furnace wall installation area and the ordinary furnace wall installation area, as well as in areas not protected by insulation devices. A kiln door frame 10 is fixedly connected to one end of the furnace wall steel plate 7 away from the high heat dissipation furnace wall installation area. A kiln door 9 is fixedly connected inside the kiln door frame 10. A foldable mounting piece 8 is fixedly connected to one end of the kiln door 9. The end of the foldable mounting piece 8 away from the kiln door 9 is fixedly connected to the door frame 10. A baffle slot 21 is fixedly connected to the surface of the door frame 10 away from the foldable mounting plate 8; A baffle mounting post 23 is fixedly connected to the end of the kiln door 9 away from the foldable mounting plate 8. A baffle 22 is fixedly connected to the surface of the baffle mounting post 23. The end of the baffle 22 away from the baffle mounting post 2 is fastened to the baffle slot 21. A heat flow compensation pipe branch 1 is fixedly connected to the top surface of the furnace wall steel plate 7 and the stainless steel protective shell 6. A heat flow compensation pipe 2 is fixedly connected between the heat flow compensation pipe branches 1. A heat flow compensation detection and control device 3 is fixedly connected to the center of the heat flow compensation pipe 2. A smoke exhaust port mounting base 24 is fixedly connected to the side of the stainless steel protective shell 6 away from the heat flow compensation pipe 2 and close to the kiln frame 5. A smoke exhaust port 4 is fixedly connected to the end of the smoke exhaust port mounting base 24 away from the stainless steel protective shell 6. The smoke exhaust port 4 is connected in a through connection with the smoke exhaust device installed inside the kiln.

[0018] Working Principle: This energy-saving kiln for firing purple pottery utilizes a systematic design of "layered collaboration + functional linkage." Based on differentiated insulation, with precise temperature control as the core and sealed protection and efficient smoke exhaust as auxiliary measures, it constructs a complete purple pottery firing system. The collaborative operation of each core structure achieves energy saving, consumption reduction, and quality assurance. Specifically, the kiln frame 5 is divided into a high-heat-dissipation furnace wall installation area and a normal furnace wall installation area according to the furnace body's heat dissipation characteristics. It adopts a layered structure of "outer protection + middle insulation + inner high-temperature resistance" to achieve targeted heat insulation. In the high-heat-dissipation furnace wall installation area, a stainless steel protective shell 6 serves as the outer impact-resistant protection, with a thickened aluminum silicate insulation cotton 11 core insulation layer fixed on the inner side to enhance heat insulation, and a thickened lightweight mullite brick 13 inner high-temperature barrier. The gaps between the bricks are filled with high-temperature refractory mortar 12 and covered with the brick surface to prevent heat leakage from the brick joints. At the same time, a dense high-alumina ceramic fiber blanket 14 is embedded in the high-temperature refractory mortar 12, and its outer side is attached to the stainless steel protective shell 6 to form a "heat insulation + sealing" double protection. High-temperature resistant rivets 18 penetrate the fiber blanket, and the fixed area is increased by hexagonal rivet heads 19. Ceramic fiber caps 20 are fitted on the outside and adhere to the inside of the fiber blanket, which not only prevents the fiber blanket from falling off, but also avoids the metal rivet heads from forming "thermal bridges", completely blocking the heat loss path in high heat dissipation areas.

[0019] Ordinary furnace wall installation area: The furnace wall steel plate 7 serves as the outer support, and the inner side is connected in sequence to the basic insulation layer of ordinary aluminum silicate insulation cotton 17 and the basic high temperature resistant layer of ordinary lightweight mullite brick 16; the brick joints are also filled with high temperature refractory mortar 12, and ordinary high alumina ceramic fiber blanket 15 is fixed inside for auxiliary insulation, and fixed with high temperature resistant rivets 18 of the same specification, so as to optimize material costs while meeting the insulation requirements of ordinary areas.

[0020] At the junction of high heat dissipation zones and ordinary zones, and at corners not covered by insulation, “corner reinforcement insulation” is achieved by adding insulation materials adapted to the characteristics of the corresponding areas, such as locally thickened ceramic fiber blankets, filling the gaps in insulation and forming a closed-loop insulation system for the entire furnace body without dead corners.

[0021] The kiln door 9 is flexibly connected to the kiln door frame 10 via a foldable mounting plate 8, enabling flexible opening and closing. When closed, the baffle mounting post 23 at the end of the kiln door 9 drives the baffle 22 to precisely engage with the baffle slot 21 of the door frame 10, making the kiln door and the door frame fit tightly together and eliminating gaps in the door body. The flexibility of the foldable mounting plate 8 further compresses the gaps when closed, and together with the overall heat insulation structure of the furnace wall, forms a closed space inside the furnace, preventing heat from escaping from the door body and ensuring stable temperature inside the furnace.

[0022] The heat flow compensation pipe branch 1 at the top of the furnace wall steel plate 7 and the stainless steel protective shell 6, together with the heat flow compensation pipe 2, forms a mesh heat flow circulation system. The heat flow compensation detection and control device 3 in the center of the pipe is the core control unit. The device monitors the temperature data of different areas in the furnace in real time. When it detects that the local temperature is lower than the firing standard, it automatically adjusts the flow path and flow rate of the heat flow in the pipe and delivers heat to the low temperature zone through the heat flow compensation pipe branch 1 of the corresponding area. When the local temperature is too high, the excess heat is diverted to the lower temperature area through pipes to form an internal heat flow circulation, which ultimately controls the temperature fluctuation in the furnace within ±5℃, avoiding cracking and uneven coloring of the purple pottery due to temperature differences.

[0023] The flue gas outlet 4 is fixed to the flue gas outlet 4 by the flue gas outlet mounting bracket 24 on the side of the stainless steel protective shell 6, and is connected to the flue gas exhaust device inside the kiln: Waste gases generated during the firing process, such as combustion exhaust gas and moisture, are collected centrally through the internal smoke exhaust device and discharged directionally through the smoke exhaust port 4. The sealing structure of the exhaust port mounting base 24 and the directional design of the exhaust port 4 ensure that the exhaust gas is discharged smoothly to avoid accumulation and affect the firing process. They also prevent the exhaust gas from carrying a large amount of heat from inside the furnace, reducing heat loss, and guide the exhaust gas away from the operating area to protect the health of personnel.

[0024] The differentiated insulation design uses "thickened + denser" materials for high heat dissipation areas, such as thickened aluminum silicate insulation cotton 11 and dense ceramic fiber blanket 14, while ordinary areas use suitable materials to avoid cost waste caused by excessive insulation. The whole furnace body is insulated without dead corners, including corner reinforcement and kiln door 9 sealing design, which can reduce heat loss by more than 35% and significantly reduce fuel consumption such as natural gas and firewood. Based on an average of 2 batches of purple pottery fired per day, it can save about 40% of fuel costs per year.

[0025] The sealing and directional design of the flue gas system reduces heat entrainment during the flue gas process, further reducing energy waste, and improving the overall energy-saving effect by 50% compared with traditional kilns.

[0026] The heat flow compensation detection and control device 3, in conjunction with the mesh pipeline, achieves dynamic temperature balance inside the furnace, with the temperature difference controlled within ±5℃, avoiding the problem of "local overheating / overcooling" in traditional kilns, and reducing defects such as cracking, deformation, and uneven color of purple pottery from the root. The inner layer of thickened lightweight mullite brick 13 and high-temperature refractory clay 12 can withstand a high temperature of 1300℃, which is suitable for the high-temperature firing requirements of purple pottery. It is also not easy to age after long-term use, ensuring stable temperature inside the kiln. The yield of purple pottery has increased from 70% in traditional kilns to more than 90%.

[0027] The outer stainless steel protective shell 6 is impact-resistant and deformation-resistant, and the furnace wall steel plate 7 has strong support and can withstand external force collisions during transportation and use. The inner layer of mullite bricks 13 / 16 has excellent thermal shock resistance, while the ceramic fiber blanket 14 / 15 is resistant to high temperature and aging. Combined with the triple fixation of high temperature rivets 18 + hexagonal nail caps 19 + ceramic fiber caps 20, it prevents materials from falling off due to long-term high temperature. The foldable mounting plate 8 and the baffle 22 have a durable mechanical structure, with more than 1,500 opening and closing cycles without failure. The overall service life of the equipment is extended by 50% compared with traditional kilns, reducing the frequency of maintenance and replacement.

[0028] The kiln door can be opened and closed flexibly through the foldable mounting plate 8, and the baffle 22 and the slot 21 can be fastened together without tools, which can be completed by a single person, reducing labor intensity. The four independent exhaust ports facilitate regular cleaning and prevent blockages. The heat flow compensation device provides automated control, reducing the frequency of manual monitoring. Traditional kilns require inspection every 30 minutes, while this equipment only needs to be inspected every 2 hours. It is suitable for the long firing time of 8-12 hours for purple pottery and can achieve multiple batches of production per day.

[0029] The stainless steel protective shell 6 isolates the furnace wall steel plate 7 from the high temperature, preventing operators from being burned; the high-temperature refractory mud 12 fills the brick joints to prevent flames from escaping; the flue vent 4 provides directional exhaust, reducing the contact of exhaust gas, and the overall safety factor is 60% higher than that of traditional kilns.

[0030] The high-efficiency smoke extraction system reduces the accumulation of exhaust gases and lowers the emission of harmful gases such as carbon monoxide; the directional exhaust design avoids the spread of exhaust gases and environmental pollution, meeting current environmental protection requirements. The energy-saving design reduces fuel combustion, indirectly reducing carbon dioxide emissions. Each kiln can reduce carbon emissions by about 2 tons per year, helping the purple pottery industry achieve green transformation.

[0031] Structural Description: Branch 1 of the heat flow compensation pipe: It is fixedly connected to the top surface of the furnace wall steel plate 7 and the stainless steel protective shell 6, and is interconnected with the heat flow compensation pipe 2. Its function is to form a mesh heat flow circulation channel together with the heat flow compensation pipe 2, so as to accurately deliver the heat allocated by the heat flow compensation detection and control device 3 to different areas in the furnace, especially to supplement the heat in the low temperature area, and at the same time, it can also dissipate excess heat in the high temperature area, ensure uniform temperature in the furnace, and avoid firing defects of purple clay due to temperature difference. Heat flow compensation pipe 2: Connected between each heat flow compensation pipe branch 1, with the heat flow compensation detection and control device 3 fixedly connected in the center. Its function is to serve as the main channel for heat flow transmission, and to form a heat flow circulation network covering the top of the furnace body in conjunction with the heat flow compensation pipe branch 1, so as to ensure that the heat flow can flow quickly and evenly in the furnace, and to provide a transmission basis for the heat flow compensation detection and control device 3 to achieve temperature balance. Heat flow compensation detection and control device 3: It is fixedly connected to the center of heat flow compensation pipe 2. Its function is to monitor the temperature difference in different areas of the furnace in real time, and automatically adjust the flow path and flow rate of heat flow in heat flow compensation pipe 2 and heat flow compensation pipe branch 1 according to the monitoring data, so as to control the temperature fluctuation range in the furnace within ±5℃, ensure the temperature stability required for firing purple pottery, and improve the yield of purple pottery.

[0032] Exhaust port 4: It is fixedly connected to the end of the exhaust port mounting base 24 away from the stainless steel protective shell 6 and is connected to the exhaust device inside the kiln. Its function is to smoothly discharge the waste gas generated during the kiln firing process. Its directional design can guide the waste gas away from the operating area and reduce the impact of waste gas on the health of operators. At the same time, the sealed connection with the exhaust port mounting base 24 can prevent a large amount of heat from the furnace from being carried away during exhaust, reduce heat loss, and take into account both environmental protection and energy saving requirements. Kiln frame 5: This is the basic support structure for the entire kiln. One end is designated as the high-heat-dissipation furnace wall installation area, and the other end is designated as the ordinary furnace wall installation area. Its function is to provide a stable installation frame for furnace wall components such as stainless steel protective shell 6 and furnace wall steel plate 7, clearly define the division of different furnace wall areas, lay the foundation for the construction of differentiated insulation structures, and ensure that all furnace body components are firmly installed and rationally laid out. Stainless steel protective shell 6: It is fixedly connected to the high heat dissipation furnace wall installation area of ​​the kiln frame 5. The inner side is fixedly connected to the thickened aluminum silicate insulation cotton 11, the outer top is connected to the heat flow compensation pipe branch 1, and the side is fixedly connected to the exhaust port mounting seat 24. Its function is to serve as the outer protective structure of the high heat dissipation furnace wall installation area. It has strong impact resistance and deformation resistance, and can protect the inner insulation material from external damage. At the same time, its metal material can help disperse the heat in the furnace, and together with the inner insulation material, it can improve the heat preservation effect of the high heat dissipation area. It can also isolate the high temperature in the furnace and prevent the operator from being burned. Furnace wall steel plate 7: It is fixedly connected to the ordinary furnace wall installation area of ​​the kiln frame 5, and is connected to the stainless steel protective shell 6. Ordinary aluminum silicate insulation cotton 17 is fixedly connected to the inside, and the heat flow compensation pipe branch 1 is connected to the top of the outside. One end is fixedly connected to the kiln door frame 10. Its function is to serve as the outer support structure of the ordinary furnace wall installation area, provide a stable installation foundation for the ordinary insulation material inside, and take into account both support and foundation protection. While meeting the insulation needs of the ordinary area, it optimizes material costs and can also help isolate the high temperature inside the furnace to ensure operational safety. Foldable mounting plate 8: One end is fixedly connected to the kiln door 9, and the other end is fixedly connected to the kiln door frame 10. Its function is to realize the rotational connection between the kiln door 9 and the kiln door frame 10, so that the kiln door 9 can be opened and closed flexibly. Its flexible connection design does not affect the opening and closing angle of the kiln door, and can also assist in sealing when the kiln door 9 is closed, reducing heat loss from the gaps in the door. At the same time, compared with traditional rigid hinges, it is more durable, and can be opened and closed more than 1,000 times without failure, extending the service life of the kiln door connection structure. Kiln door 9: Connected to the inside of the kiln door frame 10, with a foldable mounting piece 8 fixed at one end and a baffle mounting post 23 fixed at the other end. Its function is to realize the opening and closing and sealing of the kiln opening. When closed, it cooperates with the kiln door frame 10 to form a closed space and reduce the heat leakage from the kiln. Its structural design is adapted to the kiln opening operation requirements during the firing of purple pottery, making it convenient for operators to load and unload the kiln. Kiln door frame 10: It is fixedly connected to the end of the furnace wall steel plate 7 away from the high heat dissipation furnace wall installation area, and internally connected to the kiln door 9. One end is fixed with a foldable mounting piece 8, and the other end is fixed with a baffle groove 21. Its function is to provide a matching structure for the installation and sealing of the kiln door 9. Through the synergistic effect with the kiln door 9, the foldable mounting piece 8, and the baffle 22, it ensures the sealing performance of the kiln door 9 when it is closed, reduces heat loss in the door body, and provides support for the stable opening and closing of the kiln door 9. Thickened aluminum silicate insulation cotton 11: It is fixedly connected to the inside of the stainless steel protective shell 6, and the thickened lightweight mullite brick 13 is fixedly connected to the side away from the stainless steel protective shell 6. Its function is to serve as one of the core insulation layers in the high heat dissipation furnace wall installation area. Its thickened design can significantly improve the heat insulation performance, effectively block the loss of heat in the furnace through the high heat dissipation area, and work with other insulation materials to reduce heat loss and energy consumption. It also has good high temperature resistance and is not easy to age after long-term use. High-temperature refractory mortar 12: fills the gaps between thickened lightweight mullite bricks 13 and ordinary lightweight mullite bricks 16, and internally fixes dense high-alumina ceramic fiber blankets 14 and ordinary high-alumina ceramic fiber blankets 15. Its function is to fill the gaps between bricks, prevent heat leakage from the brick joints in the furnace, and fix the inner ceramic fiber blankets to enhance the overall integrity of the insulation structure. Its high-temperature resistance can withstand high temperatures of 1300℃, adapt to the kiln firing environment, prevent flames from escaping from the furnace, eliminate safety hazards, and is not easily deformed or cracked after long-term use. Thickened lightweight mullite brick 13: It is fixedly connected to the side of the thickened aluminum silicate insulation cotton 11 away from the stainless steel protective shell 6, and the gap is filled with high-temperature refractory mortar 12. Its function is to serve as the high-temperature resistant inner layer structure of the high heat dissipation furnace wall installation area. It has excellent high temperature resistance and thermal shock resistance, and can directly withstand the high temperature baking in the furnace, protecting the outer insulation material from high temperature damage. Its lightweight characteristics can reduce the overall weight of the furnace body, while the thickened design further enhances the synergistic effect of high temperature resistance and insulation, ensuring that the high heat dissipation area can stably cope with the high temperature environment of purple clay firing. The high-alumina ceramic fiber blanket 14 is fixed inside the high-temperature refractory mortar 12 and attached to the stainless steel protective shell 6 on the outside. High-temperature resistant rivets 18 are fixed on the surface. Its function is to serve as a reinforced insulation layer in the high heat dissipation furnace wall installation area. Compared with ordinary fiber blankets, its dense structure has better heat insulation performance and can further block heat loss in the furnace. The design of attaching with the stainless steel protective shell 6 can fill the gap between the insulation layer and the outer protection layer, avoiding the formation of heat conduction loopholes. Together with the thickened aluminum silicate insulation cotton 11 and the thickened lightweight mullite brick 13, it can achieve efficient heat insulation in the high heat dissipation area. Ordinary high-alumina ceramic fiber blanket 15: fixed inside the high-temperature refractory mortar 12, with its outer side fixed to the inner side of the furnace wall steel plate 7. The surface is fixed with high-temperature resistant rivets 18, which are distributed in the same way as the rivets on the dense fiber blanket. Its function is to serve as an auxiliary insulation layer in the ordinary furnace wall installation area. While meeting the basic insulation requirements of this area, it avoids excessive use of materials and optimizes costs. Its high-alumina material has good high-temperature resistance and can assist ordinary aluminum silicate insulation cotton 17 and ordinary lightweight mullite bricks 16 in improving the insulation effect of ordinary areas. The rivet fixing ensures that the installation is stable and avoids falling off due to long-term high temperature. Ordinary lightweight mullite brick 16: It is fixedly connected to the end of ordinary aluminosilicate insulation cotton 17 away from the furnace wall steel plate 7, and the gap is filled with high-temperature refractory mortar 12. Its function is to serve as the high-temperature resistant inner layer structure in the ordinary furnace wall installation area. It has basic high-temperature resistance and thermal shock resistance, can adapt to the furnace temperature environment in ordinary areas, protect the outer ordinary insulation material, and at the same time, its lightweight characteristics reduce the weight of the furnace body. Together with ordinary insulation material, it achieves basic insulation and high-temperature protection in this area, balancing performance and cost.

[0033] Ordinary aluminum silicate insulation cotton 17: It is fixedly connected to the inner side of the furnace wall steel plate 7, and the end away from the furnace wall steel plate 7 is fixedly connected to ordinary lightweight mullite brick 16. Its function is to serve as the core insulation layer in the ordinary furnace wall installation area. It has good heat insulation performance and can prevent the loss of heat in the furnace in the ordinary area, thus meeting the basic insulation requirements of the area. Compared with the thickened aluminum silicate insulation cotton 11, it reduces material costs while ensuring basic insulation effect, thus achieving the cost optimization goal of differentiated insulation design. High-temperature resistant rivets 18: These are fixed to the surfaces of the high-alumina ceramic fiber blanket 14 and the ordinary high-alumina ceramic fiber blanket 15, respectively. A hexagonal rivet head 19 is fixed to the end away from the fiber blanket. Their function is to firmly fix the ceramic fiber blanket in the insulation structure of the corresponding furnace wall area, so as to prevent the fiber blanket from falling off due to long-term high-temperature baking or slight vibration of the furnace body. Their high-temperature resistance can adapt to the high-temperature environment of the kiln. They are not easy to deform and fail after long-term use, ensuring the stability and integrity of the insulation structure and indirectly extending the service life of the insulation material. Hexagonal nail head 19: Fixed to the end of the high-temperature resistant rivet 18 away from the fiber blanket, and fitted with a ceramic fiber cap 20 on the outside. Its function is to enhance the fixing effect of the high-temperature resistant rivet 18, and to prevent the rivet from loosening under long-term high temperature or vibration environment by increasing the contact area between the end of the rivet and the ceramic fiber blanket, thus ensuring the stability of the ceramic fiber blanket installation and providing a close support base for the ceramic fiber cap 20. Ceramic fiber cap 20: It is fitted on the outside of the hexagonal nail cap 19 and is tightly attached to the inside of the high-alumina ceramic fiber blanket 14. Its function is to cover the metal surface of the hexagonal nail cap 19, prevent the metal parts from forming a "thermal bridge" due to their high thermal conductivity, and prevent the heat in the furnace from being lost quickly through the nail cap. At the same time, its ceramic fiber material has good thermal insulation performance. After being attached to the inside of the high-alumina ceramic fiber blanket 14, it can fill the gap between the nail cap and the fiber blanket, further improving the sealing and thermal insulation integrity of the insulation structure and reducing local heat loss. Baffle slot 21: Fixed to the end surface of the kiln door frame 10 away from the foldable mounting piece 8, and fastened with baffle 22. Its function is to cooperate with baffle 22 to close and fix the kiln door 9. When baffle 22 is fastened into the slot, the kiln door 9 can fit tightly with the kiln door frame 10, enhance the sealing effect of the door and reduce heat loss. Moreover, the fastening and separation can be completed without additional tools, reducing the labor intensity of operators and improving the convenience of operation. Baffle 22: Fixed to the surface of baffle mounting post 23, with one end away from baffle mounting post 23 engaging with baffle slot 21. Its function is to act as a locking component for closing the kiln door 9. By engaging with baffle slot 21, the kiln door 9 is stably fixed in the closed state, ensuring the door is sealed. Its structural design is simple and reliable, durable, and can withstand the mechanical force of opening and closing the kiln door 9 for a long time, ensuring the stability of the sealing effect.

[0034] Baffle mounting post 23: Fixed to the end of the kiln door 9 away from the foldable mounting plate 8, with a baffle 22 fixed on its surface. Its function is to provide mounting support for the baffle 22, so that the baffle 22 can be stably connected to the kiln door 9. The position of the baffle 22 can be finely adjusted through the post structure to ensure precise engagement with the baffle slot 21 and to lift the door. Baffle 22: Fixed to the surface of baffle mounting post 23, with its end away from baffle mounting post 23 engaging with baffle slot 21. Note: The original text "baffle 223" was a typo; it has been corrected to baffle 22. Its function is to act as a locking component for closing the kiln door. By engaging with baffle slot 21, it stably fixes the kiln door 9 in a closed state, ensuring the door is sealed. Its structural design is simple, reliable, and durable, capable of withstanding the mechanical forces during the opening and closing of the kiln door for a long time, ensuring the stability of the sealing effect. Baffle mounting column 23: Fixed to the end of the kiln door 9 away from the foldable mounting piece 8, with a baffle 22 fixed on its surface. Its function is to provide mounting support for the baffle 22, so that the baffle 22 can be stably connected to the kiln door 9. The position of the baffle 22 can be finely adjusted through the column structure to ensure precise engagement with the baffle slot 21 and improve the reliability of the door sealing. Exhaust port mounting base 24: Fixed to the side of the stainless steel protective shell 6 away from the heat flow compensation pipe 2 and close to the kiln frame 5, with one end connected to the exhaust port 4. Its function is to provide a fixed installation base for the exhaust port 4, ensuring that the exhaust port 4 is firmly connected to the stainless steel protective shell 6, and preventing the exhaust port 4 from loosening due to vibration during the exhaust process; at the same time, its sealing structure design can enhance the sealing between the exhaust port 4 and the furnace body, reduce heat loss from the connection of the exhaust port 4, and ensure the stability and energy saving of the exhaust system. The corner reinforced insulation structure is not marked with a specific number. According to the technical solution, it is set at the junction of the high heat dissipation furnace wall installation area and the ordinary furnace wall installation area, and at the corner where it is not protected by the insulation device. Its function is to fill the insulation gap at the corner and the connection gap by adding extra insulation material that matches the characteristics of the insulation material in the corresponding area, avoid the generation of "heat leakage gaps", form a closed-loop insulation of the entire furnace body without dead corners, further reduce heat loss, improve the overall insulation and energy-saving effect, and ensure the stability of the furnace temperature.

[0035] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. An energy-saving kiln for firing purple pottery, comprising a kiln frame (5), characterized in that: One end of the kiln frame (5) is set as a high heat dissipation furnace wall installation area, and the other end of the kiln frame (5) is set as a normal furnace wall installation area. A stainless steel protective shell (6) is fixedly connected in the high heat dissipation furnace wall installation area of ​​the kiln frame (5), and a thickened aluminum silicate insulation cotton (11) is fixedly connected inside the stainless steel protective shell (6). Thickened aluminum silicate insulation cotton (11) is fixedly connected to a thickened lightweight mullite brick (13) on the side away from the stainless steel protective shell (6). High-temperature refractory mortar (12) is fixedly connected in the gap of the thickened lightweight mullite brick (13), and the high-temperature refractory mortar (12) covers the surface of the thickened lightweight mullite brick (13). A furnace wall steel plate (7) is fixedly connected in the ordinary furnace wall installation area of ​​the kiln frame (5), and the furnace wall steel plate (7) is connected to the stainless steel protective shell (6).

2. The energy-saving kiln for firing purple pottery according to claim 1, characterized in that: The high-temperature refractory mortar (12) is fixedly connected with a high-alumina ceramic fiber blanket (14), and the outer side of the high-alumina ceramic fiber blanket (14) is fitted with a stainless steel protective shell (6). The surface of the high-alumina ceramic fiber blanket (14) is fixedly connected with a high-temperature resistant rivet (18), and the end of the high-temperature resistant rivet (18) away from the thickened lightweight mullite brick (13) is fixedly connected with a hexagonal nail head (19).

3. The energy-saving kiln for firing purple pottery according to claim 2, characterized in that: A ceramic fiber cap (20) is fixedly connected to the surface of the hexagonal nail cap (19). The ceramic fiber cap (20) is fitted on the outside of the hexagonal nail cap (19) and is attached to the inside of the high-alumina ceramic fiber blanket (14).

4. The energy-saving kiln for firing purple pottery according to claim 3, characterized in that: The inner side of the furnace wall steel plate (7) is fixedly connected with ordinary aluminum silicate insulation cotton (17), and the end of the ordinary aluminum silicate insulation cotton (17) away from the furnace wall steel plate (7) is fixedly connected with ordinary lightweight mullite brick (16). High-temperature refractory mortar (12) is fixedly connected in the gap of the ordinary lightweight mullite brick (16), and ordinary high-alumina ceramic fiber blanket (15) is fixedly connected inside the high-temperature refractory mortar (12), and the outer side of the ordinary high-alumina ceramic fiber blanket (15) is fixedly connected to the inner side of the furnace wall steel plate (7).

5. The energy-saving kiln for firing purple pottery according to claim 4, characterized in that: The surface of the ordinary high-alumina ceramic fiber blanket (15) is fixedly connected with high-temperature resistant rivets (18), and the distribution of the high-temperature resistant rivets (18) on the surface of the densified high-alumina ceramic fiber blanket (14) is consistent. The connection between the high heat dissipation furnace wall installation area and the ordinary furnace wall installation area, as well as the areas not protected by the insulation device, are all subject to corner reinforcement insulation treatment.

6. The energy-saving kiln for firing purple pottery according to claim 5, characterized in that: The furnace wall steel plate (7) is fixedly connected to a kiln door frame (10) at one end away from the high heat dissipation furnace wall installation area, and a kiln door (9) is connected inside the kiln door frame (10). One end of the kiln door (9) is fixedly connected to a foldable mounting piece (8), and the end of the foldable mounting piece (8) away from the kiln door (9) is fixedly connected to the kiln door frame (10).

7. The energy-saving kiln for firing purple pottery according to claim 6, characterized in that: A baffle slot (21) is fixedly connected to the surface of the kiln door frame (10) away from the foldable mounting piece (8). The end of the kiln door (9) away from the foldable mounting plate (8) is fixedly connected to a baffle mounting post (23), and a baffle (22) is fixedly connected to the surface of the baffle mounting post (23). The end of the baffle (22) away from the baffle mounting post (23) is fastened to the baffle slot (21).

8. The energy-saving kiln for firing purple pottery according to claim 7, characterized in that: The top surfaces of the furnace wall steel plate (7) and the stainless steel protective shell (6) are both fixedly connected to heat flow compensation pipe branches (1), and heat flow compensation pipes (2) are fixedly connected between each heat flow compensation pipe branch (1). A heat flow compensation detection and control device (3) is fixedly connected to the center of the heat flow compensation pipe (2). The stainless steel protective shell (6) is fixedly connected to a flue gas outlet mounting base (24) on the side away from the heat flow compensation pipe (2) and close to the kiln frame (5). The end of the flue gas outlet mounting base (24) away from the stainless steel protective shell (6) is fixedly connected to a flue gas outlet (4), and the flue gas outlet (4) is connected in a through connection with the flue gas exhaust device installed inside the kiln.

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