Modified corundum brick lining structure for hazardous waste incinerator

By designing the modified corundum tiles lining structure, the problems of cumbersome installation and insufficient protective performance of the traditional lining structure are solved, the safe and stable operation of the incineration system and efficient energy utilization are achieved, and environmental pollution and operation costs are reduced.

CN222670009UActive Publication Date: 2025-03-25WUXI YUANNENG REFRACTORIES CO LTD
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Patent Information

Application Number
CN202420631922.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-29
Publication Date
2025-03-25
Estimated Expiration
2034-03-29

AI Technical Summary

Technical Problem

The installation, disassembly and cleaning of traditional hazardous waste incinerators is complicated to install, disassemble and clean, and lacks good structural protection performance.

Method used

A modified corundum tiles lining structure for hazardous waste incinerators is designed, including wear-resistant protective cover, functional protective mezzanine and fire-resistant protective inner liner. It adopts a convenient detachable installation structure and has a fixing method of annular clamp slot, limit clamp ring and support pad.

Benefits of technology

It realizes rapid assembly and fixation of the lining structure, and has good high-temperature resistance, wear resistance, thermal shock resistance and high-temperature protection performance, improves the safety and stability of the incineration system, extends the service life of the equipment, and reduces maintenance costs and environmental pollution.

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Abstract

The modified corundum brick lining structure for the hazardous waste incinerator comprises an incinerator body, a lining installation groove is formed in the incinerator body, a lining structure body is detachably installed in the lining installation groove, and a limiting clamping ring is arranged at the upper end of the lining structure body. The lining structure main body comprises a wear-resistant protective sheath, a functional protective interlayer and a fire-resistant protective liner, the functional protective interlayer comprises a corrosion-resistant glass fiber interlayer, a thermal shock resistant protective interlayer and a high-temperature resistant protective interlayer, an annular clamping groove is formed in the inner wall of the lining mounting groove, and a supporting filler strip is arranged on the annular clamping groove. The detachable lining structure main body convenient to install is installed in the incinerator main body, the lining can be rapidly assembled and fixed in the incinerator, and the lining structure main body has good high temperature resistance, wear resistance, thermal shock resistance and high temperature resistance protection performance through the composite protection design of the interior of the lining structure main body; and safe and stable operation of the hazardous waste incinerator can be effectively guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of hazardous waste incinerator accessories, in particular to a modified corundum brick lining structure for a hazardous waste incinerator. Background Art

[0002] The hazardous waste incineration system is a kind of equipment specially used for treating hazardous waste. It converts harmful substances in the waste into harmless or low-harm residues through high-temperature incineration. In this process, the temperature in the furnace is very high, and a large amount of corrosive gases and particulate matter will be produced, which puts higher requirements on the refractory materials in the furnace. The hazardous waste treated by the hazardous waste incinerator mainly contains some chemical materials such as C1, S, P, halogen materials, inorganic salts, fluorides, etc., and some waste gas and wastewater are treated at the same time, and the material characteristics are complex. The incineration temperature is generally 1050℃, and the high temperature zone reaches above 1350℃. The chemical reaction in the treatment process is complex, and the melting and wear of the refractory materials are serious. In addition, the materials from different sources in different regions have obvious differences in physical properties, calorific value and composition.

[0003] Modified corundum brick is a high-performance refractory material, which is widely used in various high-temperature and highly corrosive environments due to its excellent high-temperature stability, corrosion resistance and wear resistance. In the hazardous waste incineration system, modified corundum brick is used as a key material, mainly because it can withstand the high temperature, chemical corrosion and mechanical wear generated during the incineration process.

[0004] At present, the installation, disassembly and cleaning of the traditional lining structure for hazardous waste incinerators are rather cumbersome, and do not have good structural protection performance. Therefore, it is necessary to develop a modified corundum brick lining structure for hazardous waste incinerators. Utility Model Content

[0005] The purpose of the utility model is to provide a modified corundum brick lining structure for a hazardous waste incinerator, so as to solve the problem raised in the above background technology that the installation, disassembly and cleaning of the conventional lining structure for hazardous waste incinerators is cumbersome and the lining structure does not have good structural protection performance.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a modified corundum brick lining structure for a hazardous waste incinerator, comprising an incinerator main body, a lining installation groove is arranged inside the incinerator main body, a lining structure main body is detachably installed inside the lining installation groove, a limiting clamp ring is arranged on the upper end of the lining structure main body, the lining structure main body comprises a wear-resistant protective sleeve, a functional protective interlayer and a fire-resistant protective liner, the functional protective interlayer comprises a corrosion-resistant glass fiber interlayer, a thermal shock-resistant protective interlayer and a high-temperature resistant protective interlayer, an annular clamp groove is arranged on the inner wall of the lining installation groove, a supporting pad is arranged on the annular clamp groove, the limiting clamp ring is installed on the annular clamp groove, and the limiting clamp ring and the supporting pad are tightly fitted and fixed.

[0007] Based on the above, a smoke exhaust pipe is installed on the upper surface of the incinerator body, a detachable structure is formed between the smoke exhaust pipe and the incinerator body, and a heat insulating sleeve is installed on the outside of the smoke exhaust pipe.

[0008] Based on the above, the smoke exhaust pipe is fixedly connected to the incinerator body through a sealing chuck, and fixing slots are provided at the four corners of the surface of the sealing chuck. The sealing chuck is fixedly connected to the upper end surface of the incinerator body by bolts passing through the fixing slots.

[0009] Based on the above, a smoke exhaust slot is provided at the center of the surface of the sealing chuck, and the smoke exhaust slot is sealed and connected to the smoke exhaust pipe.

[0010] Based on the above, the wear-resistant protective sleeve is coated on the outer surface of the functional protective interlayer, and the fire-resistant protective liner is coated on the inner surface of the functional protective interlayer.

[0011] Based on the above, the corrosion-resistant glass fiber interlayer is coated on the outer surface of the thermal shock resistant protective interlayer, and the high temperature resistant protective interlayer is coated on the inner surface of the thermal shock resistant protective interlayer.

[0012] Based on the above, a sealed furnace door is provided on the side surface of the incinerator body.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) The utility model installs a conveniently installed detachable lining structure body inside the incinerator body, so that the lining can be quickly assembled and fixed inside the incinerator, and the lining structure body is designed with a composite protection type to have good high temperature resistance, wear resistance, thermal shock resistance and high temperature resistance, thereby effectively ensuring the safe and stable operation of the hazardous waste incinerator;

[0015] (2) The excellent thermal insulation performance of the modified corundum brick lining structure helps to reduce the heat loss in the furnace, thereby improving the thermal efficiency of the incineration system, which means that the same waste can be completely incinerated in a shorter time, reducing energy consumption and lowering operating costs;

[0016] (3) The modified corundum brick lining structure can withstand high temperature, chemical corrosion and mechanical wear, so its use in hazardous waste furnaces can significantly extend the service life of the equipment, which reduces the need for frequent replacement and maintenance, further reducing maintenance costs and downtime;

[0017] (4) The application of the modified corundum brick lining structure helps to reduce the leakage of harmful substances in the furnace and reduce the risk of operators being exposed to harmful environments. At the same time, its excellent wear resistance and high temperature stability also reduce the probability of safety accidents such as fire and explosion in the furnace;

[0018] (5) By improving the incineration efficiency and reducing the leakage of harmful substances, the application of the modified corundum brick lining structure helps to reduce the pollution of hazardous waste furnaces to the environment;

[0019] (6) By improving energy efficiency, reducing environmental pollution and lowering operating costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the explosion decomposition structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the internal structure of the lining structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the internal structure of the functional protective interlayer of the utility model.

[0024] In the figure: 1. Smoke exhaust duct; 2. Incinerator body; 3. Insulating sleeve; 4. Sealing chuck; 5. Sealing furnace door; 6. Fixed slot; 7. Smoke exhaust slot; 8. Lining structure body; 9. Annular slot; 10. Lining installation slot; 11. Support pad; 12. Limiting clamp; 13. Wear-resistant protective sleeve; 14. Functional protective interlayer; 15. Fire-resistant protective liner; 16. Corrosion-resistant glass fiber interlayer; 17. Thermal shock-resistant protective interlayer; 18. High-temperature resistant protective interlayer. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] See also Figure 1-4 The utility model provides an embodiment: a modified corundum brick lining structure for a hazardous waste incinerator, including an incinerator body 2, characterized in that a lining installation groove 10 is provided inside the incinerator body 2, and a lining structure body 8 is detachably installed inside the lining installation groove 10, and a limiting clamp ring 12 is provided at the upper end of the lining structure body 8, and the lining structure body 8 includes a wear-resistant protective sleeve 13, a functional protective interlayer 14 and a fire-resistant protective liner 15, and the functional protective interlayer 14 includes a corrosion-resistant glass fiber interlayer 16, a thermal shock-resistant protective interlayer 17 and a high-temperature resistant protective interlayer 18. An annular clamping groove 9 is provided on the inner wall of the lining installation groove 10, and a support pad 11 is provided on the annular clamping groove 9. The limiting clamp ring 12 is installed on the annular clamping groove 9, and the limiting clamp ring 12 and the support pad 11 are tightly fitted and fixed.

[0027] Furthermore, a smoke exhaust pipe 1 is installed on the upper end surface of the incinerator body 2. The smoke exhaust pipe 1 and the incinerator body 2 are detachable structures. A heat insulating sleeve 3 is installed on the outside of the smoke exhaust pipe 1. The smoke exhaust pipe 1 is used for smoke exhaust operations, and the heat insulating sleeve 3 plays a good role in heat insulation protection.

[0028] Furthermore, the smoke exhaust pipe 1 and the incinerator body 2 are fixedly connected by a sealing chuck 4. Fixing slots 6 are provided at the four corners of the surface of the sealing chuck 4. The sealing chuck 4 is fixedly connected to the upper end surface of the incinerator body 2 by bolts passing through the fixing slots 6, which facilitates installation and fixation, and facilitates quick sealing and docking installation between the smoke exhaust pipe 1 and the incinerator body 2.

[0029] Furthermore, a smoke exhaust slot 7 is provided at the center of the surface of the sealing chuck 4 , and the smoke exhaust slot 7 is sealed and connected to the smoke exhaust pipe 1 , so that the smoke inside the incinerator body 2 can be discharged from the smoke exhaust slot 7 .

[0030] Furthermore, the wear-resistant protective sheath 13 is coated on the outer surface of the functional protective interlayer 14, and the fire-resistant protective liner 15 is coated on the inner surface of the functional protective interlayer 14. The wear-resistant protective sheath 13 has good wear-resistant protection performance and can resist the wear of solid materials, especially iron materials. The fire-resistant protective liner 15 can resist the high temperature erosion of the fire inside the furnace body.

[0031] Furthermore, the corrosion-resistant glass fiber interlayer 16 is coated on the outer surface of the thermal shock resistant protective interlayer 17, and the high temperature resistant protective interlayer 18 is coated on the inner surface of the thermal shock resistant protective interlayer 17. The corrosion-resistant glass fiber interlayer 16 has good volume stability and corrosion resistance to resist the corrosion of acidic substances in the furnace. The thermal shock resistant protective interlayer 17 has good thermal shock resistance to resist the thermal shock damage to the material caused by fluctuations in calorific value and furnace temperature. The high temperature resistant protective interlayer 18 has good high temperature corrosion resistance to resist the corrosion of high-salt materials, especially fluorine-containing slag.

[0032] Furthermore, a sealed furnace door 5 is provided on the side surface of the incinerator body 2, so that the sealed furnace door 5 can be opened to put in materials.

[0033] Working principle: When in use, a lining installation groove 10 is provided inside the incinerator body 2, and a lining structure body 8 is detachably installed inside the lining installation groove 10. A limiting clamp ring 12 is provided at the upper end of the lining structure body 8, and an annular clamp groove 9 is provided on the inner wall of the lining installation groove 10. A supporting pad 11 is provided on the annular clamp groove 9. The limiting clamp ring 12 is installed on the annular clamp groove 9. The limiting clamp ring 12 and the supporting pad 11 are tightly fitted and fixed. By installing a conveniently installed detachable lining structure body 8 inside the incinerator body 2, the lining structure body 8 can be quickly assembled and fixed in the lining installation groove 10 inside the incinerator, which has the advantages of convenient installation, fixing, disassembly, cleaning and maintenance. The lining structure body 8 includes a wear-resistant The protective sleeve 13, the functional protective interlayer 14 and the fire-resistant protective liner 15, the wear-resistant protective sleeve 13 has good wear-resistant protection performance, and can resist the wear of solid materials, especially iron blocks. The fire-resistant protective liner 15 can resist the high temperature erosion of the fire inside the furnace body. The functional protective interlayer 14 includes a corrosion-resistant glass fiber interlayer 16, a thermal shock-resistant protective interlayer 17 and a high-temperature protective interlayer 18. The corrosion-resistant glass fiber interlayer 16 has good volume stability and corrosion resistance to resist the corrosion of acidic substances in the furnace. The thermal shock-resistant protective interlayer 17 has good thermal shock resistance to resist the thermal shock damage to the material caused by fluctuations in calorific value and furnace temperature. The high-temperature protective interlayer 18 has good high-temperature corrosion resistance to resist the corrosion of high-salt materials, especially fluorine-containing slag.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] The standard parts used in this application document can all be purchased from the market, and the specific connection methods of each part are connected by conventional means such as mature bolts, rivets, welding, etc. in the prior art. In addition, the machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, so no specific description is given here.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A modified corundum brick lining structure for a hazardous waste incinerator, comprising an incinerator body (2), characterized in that: The incinerator body (2) is provided with a liner installation groove (10) inside, and a liner structure body (8) is detachably installed inside the liner installation groove (10). A limit clamp ring (12) is provided at the upper end of the liner structure body (8). The liner structure body (8) comprises a wear-resistant protective sleeve (13), a functional protective interlayer (14) and a fire-resistant protective liner (15). The functional protective interlayer (14) comprises a corrosion-resistant glass fiber interlayer (16), a thermal shock-resistant protective interlayer (17) and a high-temperature resistant protective interlayer (18). The inner wall of the liner installation groove (10) is provided with an annular clamping groove (9), and a support pad (11) is provided on the annular clamping groove (9). The limit clamp ring (12) is installed on the annular clamping groove (9), and the limit clamp ring (12) and the support pad (11) are tightly fitted and fixed.

2. The modified corundum brick lining structure for a hazardous waste incinerator according to claim 1 is characterized in that: A smoke exhaust pipe (1) is installed on the upper surface of the incinerator body (2); a detachable structure is provided between the smoke exhaust pipe (1) and the incinerator body (2); and a heat insulating sleeve (3) is installed on the outside of the smoke exhaust pipe (1).

3. The modified corundum brick lining structure for a hazardous waste incinerator according to claim 2 is characterized in that: The smoke exhaust pipe (1) is fixedly connected to the incinerator body (2) via a sealing chuck (4), and fixing slots (6) are provided at four corners of the surface of the sealing chuck (4). The sealing chuck (4) is fixedly connected to the upper end surface of the incinerator body (2) via bolts passing through the fixing slots (6).

4. The modified corundum brick lining structure for a hazardous waste incinerator according to claim 3 is characterized in that: A smoke exhaust notch (7) is provided at the center of the surface of the sealing chuck (4), and the smoke exhaust notch (7) is in sealed communication with the smoke exhaust pipe (1).

5. The modified corundum brick lining structure for a hazardous waste incinerator according to claim 1 is characterized in that: The wear-resistant protective sheath (13) is coated on the outer surface of the functional protective interlayer (14), and the fire-resistant protective liner (15) is coated on the inner surface of the functional protective interlayer (14).

6. The modified corundum brick lining structure for a hazardous waste incinerator according to claim 1 is characterized in that: The corrosion-resistant glass fiber interlayer (16) is coated on the outer surface of the thermal shock-resistant protective interlayer (17), and the high-temperature-resistant protective interlayer (18) is coated on the inner surface of the thermal shock-resistant protective interlayer (17).

7. The modified corundum brick lining structure for a hazardous waste incinerator according to claim 1 is characterized in that: A sealed furnace door (5) is provided on the side surface of the incinerator body (2).