A technique for cement kiln co-processing explosives
By using cement kiln co-processing technology, explosives are mixed with clinker powder and explosion-proof fibers, which solves the problems of secondary pollution of flue gas and high cost of ash and slag treatment, achieves harmless disposal and resource utilization, prevents cement kiln collapse, and improves incineration efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- ZHEJIANG HONGSHI ENVIRONMENTAL PROTECTION SCI & TECH
- Filing Date
- 2023-07-04
- Publication Date
- 2026-05-19
AI Technical Summary
Existing technologies for handling explosives suffer from secondary pollution caused by dust entrained in the flue gas and high costs for secondary treatment of incineration ash. Furthermore, the rapid temperature rise during the baking of explosives can easily lead to the collapse of cement kilns.
The cement kiln co-processing technology is adopted to mix explosives with clinker powder and explosion-proof fibers. After molding and drying, the mixture is incinerated in a cement kiln. The high temperature decomposition and cooling of the ash residue are used as cement clinker. The incineration exhaust gas is dusted to meet emission standards. The explosion-proof fibers prevent the material from collapsing due to rapid temperature rise during baking.
It achieves harmless disposal, avoids the overflow of flue gas and dust, reduces pollutant emissions, improves resource utilization, reduces treatment costs, prevents cement kiln collapse, and improves incineration efficiency.
Smart Images

Figure BDA0004319023290000091 
Figure BDA0004319023290000101
Abstract
Description
Technical Field
[0001] This invention relates to the field of explosives disposal technology, and in particular to a technology for co-processing explosives in a cement kiln. Background Technology
[0002] Explosive materials typically need to be destroyed, such as old artillery shells, explosives, detonators, aerial bombs, and various terrorist explosives. However, they are extremely dangerous and the disposal process is very complex. Explosive material destruction generally employs methods such as explosion, incineration, dissolution, chemical decomposition, and shaped charge cutting.
[0003] Cement kiln co-processing can be used to treat hazardous waste, municipal solid waste (including waste plastics, waste rubber, waste paper, waste tires, etc.), sludge from urban and industrial wastewater treatment, animal and plant processing waste, contaminated soil, and emergency waste, among other solid wastes. Cement kiln co-processing also involves the disposal of explosives. This process involves feeding explosives that meet or have undergone pretreatment to meet the requirements for entering the cement kiln, achieving the harmless disposal of these explosives while simultaneously producing cement clinker.
[0004] Chinese Patent CN201921809346.0 discloses an explosive combustion protection device, which includes a cover, a metal mesh, a smoke guide tube, a smoke guiding mechanism, a rupture disc isolation assembly, and a ventilation opening on one side wall of the cover. The metal mesh is detachably fixed to the side wall of the cover and covers the ventilation opening. The smoke guide tube is located at the top of the cover and communicates with the top of the cover. The smoke guiding mechanism is located at the top of the inner cavity of the smoke guide tube, guiding the smoke inside the cover upward and discharging it from the top of the smoke guide tube. This utility model covers the burning explosive with the cover and isolates the fragments generated by the burning explosive within the cover through the combined action of the rupture disc isolation assembly, the metal mesh, and the inner wall of the cover, preventing injury to workers from the explosive fragments. Furthermore, during the combustion of the explosive, the smoke guide mechanism guides the smoke inside the cover vertically upward and directly discharges it into the upper atmosphere, preventing the smoke from harming personnel on the ground.
[0005] Chinese Patent CN202310006847.X relates to the field of waste treatment technology, specifically a system for co-processing solid waste in a cement kiln, including: a waste storage bin, a grate furnace, a waste heat boiler, a flue gas purification subsystem, a grate cooler, a primary air subsystem, and a secondary air subsystem. Toxic waste gas generated from the incineration of solid waste is purified by the flue gas purification subsystem and then sent to the cement kiln grate cooler as cooling air. After being heated by the grate cooler, it enters the decomposition furnace as tertiary air. The toxic waste gas is preheated by the grate cooler, ensuring the temperature of the tertiary air supplied to the decomposition furnace and reducing heat loss within the furnace. Furthermore, the tertiary air fully contacts the high-temperature flue gas in the decomposition furnace, continuing combustion within the furnace. Acidic toxic gases are absorbed by the alkaline raw materials, achieving a 99.99% incineration removal rate, and all toxic components can be treated and controlled.
[0006] Chinese Patent CN202222925382.1 discloses a cement kiln system for disposing of drummed hazardous waste, comprising: a first feeding system, which includes a conveying device, a lid-opening device, a robotic transfer device, and a drum-cleaning device connected in sequence; a storage and feeding system, the feed end of which is connected to the discharge end of the first feeding system; a crushing system, the feed end of which is connected to the discharge end of the storage and feeding system; a second feeding system, which includes a dual-station liquid extraction device and a pressure tank connected in sequence, the pressure tank being connected to a pneumatic diaphragm pump, and the hazardous waste in the pressure tank being transported to a mixing system via the pneumatic diaphragm pump; a mixing system, the feed end of which is connected to the discharge ends of the second feeding system and the crushing system; a metering and conveying system, the feed end of which is connected to the discharge end of the mixing system; and an incineration system, the feed end of which is connected to the discharge end of the metering and conveying system.
[0007] Chinese patent CN202211555089.9 discloses acid- and salt-resistant modified corundum bricks for rotary kilns in hazardous waste incineration systems and their preparation method. The raw material components, by mass, include 8 parts fused chromium oxide, 5 parts active α-Al₂O₃, 78.5 parts tabular corundum, 3.5 parts ceramic binder, 3.5 parts rare earth additives, 1.5 parts silicon nitride whiskers, and 0.07 parts composite explosion-proof agent. The product obtained by this invention has a service life of more than one year. It reduces the frequency of rotary kiln maintenance, increases the processing capacity by approximately 20%, and reduces production costs.
[0008] Current methods for handling explosives present several problems: the smoke contains dust and other substances, causing secondary air pollution; in addition, the secondary treatment of the ash residue after incineration greatly increases the processing costs.
[0009] The main function of the explosion-proof agents used in the existing technology is to prevent material collapse due to rapid temperature rise during baking; however, the explosives of this invention are more prone to collapse due to rapid temperature rise during baking, so it is necessary to develop a fast and effective explosion-proof agent to ensure the safety of co-processing explosives in cement kilns. Summary of the Invention
[0010] To address the aforementioned issues, this invention provides a technology for the co-processing of explosives in cement kilns, which offers excellent harmless treatment results, prevents the leakage of flue gas and dust, and fundamentally avoids secondary pollution during the treatment process; simultaneously, it can improve and reduce the overall emissions of pollutants.
[0011] The technical solution adopted in this invention is as follows:
[0012] A technology for co-processing explosives in a cement kiln, the operation steps of which are as follows:
[0013] S1: Mix the explosive with clinker powder and explosion-proof fiber in a certain proportion;
[0014] S2: Feed the mixture into a flat die forming machine to form columnar particles with a size of 20-30cm;
[0015] S3: Send the columnar particles into the dryer for drying;
[0016] S4: The dried granules are sent to a cement kiln for incineration.
[0017] S5: After exiting the kiln, it enters the grate cooler for cooling, and the ash is used as cement clinker;
[0018] S6: After the incineration exhaust gas has undergone dust removal and other processes to meet national emission standards, it is released into the atmosphere.
[0019] Furthermore, the mixing ratio of the explosive and the clinker powder is 1:100-150.
[0020] Furthermore, the drying temperature is 60-80℃, and the drying time is 4-10 hours.
[0021] Furthermore, the moisture content after drying is controlled at 3-5%.
[0022] Furthermore, the temperature inside the cement kiln is 1250-1450℃, and the residence time is 30-50 minutes.
[0023] Furthermore, the cooling is carried out to a temperature of 60-90°C.
[0024] Furthermore, the ash is added to cement clinker at a ratio of 10-30%.
[0025] Furthermore, the amount of explosion-proof fiber added is 0.3-3% of the mass percentage of the explosive, and its preparation method is as follows:
[0026] According to the mass fraction, add 500-1000 parts of organic fiber, 120-200 parts of basalt fiber, and 10-16 parts of polymerized ferrocene aluminum compound into a high-speed shear mixer, control the temperature to 100-120℃, and shear and mix for 10-30 minutes to obtain explosion-proof fiber.
[0027] Furthermore, the preparation method of the polymerized ferrocene aluminum compound is as follows:
[0028] According to the mass fractions, 12-20 parts of aluminum acrylate, 0.01-0.6 parts of vinyl ferrocene, 2-10 parts of azobisisoheptanenitrile, and 500-650 parts of toluene are mixed evenly and stirred at 60-85℃ for 2-6 hours. The toluene is then removed by distillation to obtain the polymerized aluminum ferrocene compound.
[0029] Furthermore, the organic fibers include polyester, acrylic, nylon, polypropylene, aramid, ultra-high molecular weight polyethylene fiber (UHMWPE fiber), polyimide fiber (PI fiber), etc.
[0030] Technical effects:
[0031] The present invention provides a technology for the co-processing of explosives in cement kilns, which, compared with the prior art, has the following significant advantages:
[0032] 1. Excellent harmless disposal effect: During the co-disposal of explosives in cement kilns, the explosives have a long residence time and are fully combusted, without affecting the NOx emissions from the cement kiln. X The generation of pollutants is affected; under negative pressure, flue gas and dust will not overflow, fundamentally preventing secondary pollution during the treatment process; the cement kiln is in an alkaline atmosphere, which has the effect of absorbing sulfur and chlorine in the process of co-processing explosives, and acidic gases such as SO2 and HCl as well as dioxins are also effectively suppressed, thus improving and reducing the overall emission of pollutants.
[0033] 2. High degree of resource utilization: Through co-processing, explosives become raw materials for cement production, thus realizing the recycling and reuse of explosives; the co-processing of cement production and explosives greatly saves processing costs;
[0034] 3. High incineration efficiency: Cement kilns have a large incineration space and a wide range of applications, enabling the processing of large quantities and various types of explosives. In addition, they can maintain a uniform and stable incineration atmosphere. Under high-temperature incineration conditions, the organic matter in the explosives can be completely decomposed, and heavy metals can be solidified. There is no problem of secondary treatment of incineration ash in traditional incineration processes, which significantly improves incineration efficiency.
[0035] 4. This invention employs a cement kiln for the co-processing of explosives. By placing the explosives in a sealed and safe cement kiln, the chemical instability of the explosives can be avoided from causing harm to operators during the processing. In addition, due to the high temperature of the cement kiln combustion, the explosives decompose directly at high temperatures, thus avoiding damage to the cement kiln.
[0036] 5. The explosion-proof fiber provided by this invention can prevent material collapse during baking due to rapid temperature rise, thus preventing repair failure. The polymerized ferrocene-aluminum compound in the explosion-proof fiber has good dispersibility, the fiber does not stick together, it has good affinity with cement and other materials, high bonding strength, low melting point, and forms micro-channels in the material, which facilitates the discharge of water vapor and plays a role in preventing explosion. Detailed Implementation
[0037] The specific embodiments of the present invention will be described in detail below with reference to the examples, but it should be understood that the scope of protection of the present invention is not limited to the specific embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.
[0038] Example 1
[0039] A technology for co-processing explosives in a cement kiln, the operation steps of which are as follows:
[0040] S1: Mix the explosive with clinker powder and explosion-proof fiber in a certain proportion;
[0041] S2: Feed the mixture into a flat die forming machine to form columnar particles with a size of 20cm;
[0042] S3: Send the columnar particles into the dryer for drying;
[0043] S4: The dried granules are sent to a cement kiln for incineration.
[0044] S5: After exiting the kiln, it enters the grate cooler for cooling, and the ash is used as cement clinker;
[0045] S6: After the incineration exhaust gas has undergone dust removal and other processes to meet national emission standards, it is released into the atmosphere.
[0046] The mixing ratio of the explosive and the clinker powder is 1:100.
[0047] The drying temperature is 60℃ and the time is 4 hours.
[0048] The moisture content after drying is controlled at 3%.
[0049] The temperature inside the cement kiln is 1250℃, and the residence time is 30 minutes.
[0050] The temperature is cooled to 60°C.
[0051] The ash residue is added to cement clinker at a ratio of 10%.
[0052] The amount of explosion-proof fiber added is 0.3% of the mass percentage of the explosive, and its preparation method is as follows:
[0053] Add 500 kg of organic fiber, 120 kg of basalt fiber, and 10 kg of polymerized ferrocene-aluminum compound to a high-speed shear mixer, control the temperature to 100°C, and shear and mix for 10 minutes to obtain explosion-proof fiber.
[0054] The preparation method of the polymerized ferrocene aluminum compound is as follows:
[0055] 12 kg of aluminum acrylate, 0.01 kg of vinyl ferrocene, 2 kg of azobisisoheptanenitrile, and 500 kg of toluene were mixed evenly and stirred at 60°C for 2 h. The toluene was then removed by distillation to obtain the polymerized aluminum ferrocene compound.
[0056] The organic fiber mentioned is polyester.
[0057] Example 2
[0058] A technology for co-processing explosives in a cement kiln, the operation steps of which are as follows:
[0059] S1: Mix the explosive with clinker powder and explosion-proof fiber in a certain proportion;
[0060] S2: Feed the mixture into a flat die forming machine to form columnar particles with a size of 25cm;
[0061] S3: Send the columnar particles into the dryer for drying;
[0062] S4: The dried granules are sent to a cement kiln for incineration.
[0063] S5: After exiting the kiln, it enters the grate cooler for cooling, and the ash is used as cement clinker;
[0064] S6: After the incineration exhaust gas has undergone dust removal and other processes to meet national emission standards, it is released into the atmosphere.
[0065] The mixing ratio of the explosive and the clinker powder is 1:120.
[0066] The drying temperature is 65℃ and the time is 6 hours.
[0067] The moisture content after drying is controlled at 4%.
[0068] The temperature inside the cement kiln is 13000℃, and the residence time is 35 minutes.
[0069] The temperature is cooled to 70°C.
[0070] The ash residue is added to cement clinker at a ratio of 15%.
[0071] The amount of explosion-proof fiber added is 1% of the mass percentage of the explosive, and its preparation method is as follows:
[0072] Add 600 kg of organic fiber, 150 kg of basalt fiber, and 12 kg of polymerized ferrocene aluminum compound to a high-speed shear mixer, control the temperature to 105℃, and shear and mix for 15 minutes to obtain explosion-proof fiber.
[0073] The preparation method of the polymerized ferrocene aluminum compound is as follows:
[0074] 15 kg of aluminum acrylate, 0.2 kg of vinyl ferrocene, 5 kg of azobisisoheptanenitrile, and 550 kg of toluene were mixed evenly and stirred at 65°C for 3 h. The toluene was then removed by distillation to obtain the polymerized aluminum ferrocene compound.
[0075] The organic fiber mentioned is acrylic fiber.
[0076] Example 3
[0077] A technology for co-processing explosives in a cement kiln, the operation steps of which are as follows:
[0078] S1: Mix the explosive with clinker powder and explosion-proof fiber in a certain proportion;
[0079] S2: Feed the mixture into a flat die forming machine to form columnar particles with a size of 25cm;
[0080] S3: Send the columnar particles into the dryer for drying;
[0081] S4: The dried granules are sent to a cement kiln for incineration.
[0082] S5: After exiting the kiln, it enters the grate cooler for cooling, and the ash is used as cement clinker;
[0083] S6: After the incineration exhaust gas has undergone dust removal and other processes to meet national emission standards, it is released into the atmosphere.
[0084] The mixing ratio of the explosive and the clinker powder is 1:140.
[0085] The drying temperature is 75℃ and the time is 8 hours.
[0086] The moisture content after drying is controlled at 4%.
[0087] The temperature inside the cement kiln is 1400℃, and the residence time is 45 minutes.
[0088] The temperature is cooled to 80°C.
[0089] The ash residue is added to cement clinker at a ratio of 25%.
[0090] The explosion-proof fiber is added at 2% of the mass percentage of the explosive, and its preparation method is as follows:
[0091] Add 800 kg of organic fiber, 180 kg of basalt fiber, and 14 kg of polymerized ferrocene aluminum compound to a high-speed shear mixer, control the temperature to 115℃, and shear and mix for 25 minutes to obtain explosion-proof fiber.
[0092] The preparation method of the polymerized ferrocene aluminum compound is as follows:
[0093] 18 kg of aluminum acrylate, 0.4 kg of vinyl ferrocene, 8 kg of azobisisoheptanenitrile, and 600 kg of toluene were mixed evenly and stirred at 80°C for 5 h. The toluene was then removed by distillation to obtain the polymerized aluminum ferrocene compound.
[0094] The organic fiber is ultra-high molecular weight polyethylene fiber (UHMWPE fiber).
[0095] Example 4
[0096] A technology for co-processing explosives in a cement kiln, the operation steps of which are as follows:
[0097] S1: Mix the explosive with clinker powder and explosion-proof fiber in a certain proportion;
[0098] S2: Feed the mixture into a flat die forming machine to form columnar particles with a size of 30cm;
[0099] S3: Send the columnar particles into the dryer for drying;
[0100] S4: The dried granules are sent to a cement kiln for incineration.
[0101] S5: After exiting the kiln, it enters the grate cooler for cooling, and the ash is used as cement clinker;
[0102] S6: After the incineration exhaust gas has undergone dust removal and other processes to meet national emission standards, it is released into the atmosphere.
[0103] The mixing ratio of the explosive and the clinker powder is 1:150.
[0104] The drying temperature is 80℃ and the time is 10 hours.
[0105] The moisture content after drying is controlled at 5%.
[0106] The temperature inside the cement kiln is 1450℃, and the residence time is 50 minutes.
[0107] The temperature is cooled to 90°C.
[0108] The ash residue is added to cement clinker at a ratio of 30%.
[0109] The explosion-proof fiber is added at a rate of 3% of the explosive's mass, and its preparation method is as follows:
[0110] Add 1000 kg of organic fiber, 200 kg of basalt fiber, and 16 kg of polymerized ferrocene aluminum compound to a high-speed shear mixer, control the temperature to 120°C, and shear and mix for 30 minutes to obtain explosion-proof fiber.
[0111] The preparation method of the polymerized ferrocene aluminum compound is as follows:
[0112] 20 kg of aluminum acrylate, 0.6 kg of vinyl ferrocene, 10 kg of azobisisoheptanenitrile, and 650 kg of toluene were mixed evenly and stirred at 85°C for 6 h. The toluene was then removed by distillation to obtain the polymerized aluminum ferrocene compound.
[0113] The organic fiber is a polyimide fiber (PI fiber).
[0114] Comparative Example 1
[0115] A technology for co-processing explosives in a cement kiln, the operation steps of which are as follows:
[0116] S1: Mix the explosive with clinker powder and explosion-proof fiber in a certain proportion;
[0117] S2: Feed the mixture into a flat die forming machine to form columnar particles with a size of 20cm;
[0118] S3: Send the columnar particles into the dryer for drying;
[0119] S4: The dried granules are sent to a cement kiln for incineration.
[0120] S5: After exiting the kiln, it enters the grate cooler for cooling, and the ash is used as cement clinker;
[0121] S6: After the incineration exhaust gas has undergone dust removal and other processes to meet national emission standards, it is released into the atmosphere.
[0122] The mixing ratio of the explosive and the clinker powder is 1:100.
[0123] The drying temperature is 60℃ and the time is 4 hours.
[0124] The moisture content after drying is controlled at 3%.
[0125] The temperature inside the cement kiln is 1250℃, and the residence time is 30 minutes.
[0126] The temperature is cooled to 60°C.
[0127] The ash residue is added to cement clinker at a ratio of 10%.
[0128] The amount of explosion-proof fiber added is 0.3% of the mass percentage of the explosive, and its preparation method is as follows:
[0129] Add 500 kg of organic fiber and 120 kg of basalt fiber to a high-speed shear mixer, control the temperature to 100℃, and shear and mix for 10 minutes to obtain explosion-proof fiber.
[0130] The organic fiber mentioned is polyester.
[0131] Comparative Example 2
[0132] A technology for co-processing explosives in a cement kiln, the operation steps of which are as follows:
[0133] S1: Mix the explosive with clinker powder and explosion-proof fiber in a certain proportion;
[0134] S2: Feed the mixture into a flat die forming machine to form columnar particles with a size of 20cm;
[0135] S3: Send the columnar particles into the dryer for drying;
[0136] S4: The dried granules are sent to a cement kiln for incineration.
[0137] S5: After exiting the kiln, it enters the grate cooler for cooling, and the ash is used as cement clinker;
[0138] S6: After the incineration exhaust gas has undergone dust removal and other processes to meet national emission standards, it is released into the atmosphere.
[0139] The mixing ratio of the explosive and the clinker powder is 1:100.
[0140] The drying temperature is 60℃ and the time is 4 hours.
[0141] The moisture content after drying is controlled at 3%.
[0142] The temperature inside the cement kiln is 1250℃, and the residence time is 30 minutes.
[0143] The temperature is cooled to 60°C.
[0144] The ash residue is added to cement clinker at a ratio of 10%.
[0145] The amount of explosion-proof fiber added is 0.3% of the mass percentage of the explosive, and its preparation method is as follows:
[0146] Add 120 kg of basalt fiber and 10 kg of polymerized ferrocene aluminum compound to a high-speed shear mixer, control the temperature to 100℃, and shear and mix for 10 minutes to obtain explosion-proof fiber.
[0147] The preparation method of the polymerized ferrocene aluminum compound is as follows:
[0148] 12 kg of aluminum acrylate, 0.01 kg of vinyl ferrocene, 2 kg of azobisisoheptanenitrile, and 500 kg of toluene were mixed evenly and stirred at 60°C for 2 h. The toluene was then removed by distillation to obtain the polymerized aluminum ferrocene compound.
[0149] Comparative Example 3
[0150] A technology for co-processing explosives in a cement kiln, the operation steps of which are as follows:
[0151] S1: Mix the explosive with clinker powder and explosion-proof fiber in a certain proportion;
[0152] S2: Feed the mixture into a flat die forming machine to form columnar particles with a size of 20cm;
[0153] S3: Send the columnar particles into the dryer for drying;
[0154] S4: The dried granules are sent to a cement kiln for incineration.
[0155] S5: After exiting the kiln, it enters the grate cooler for cooling, and the ash is used as cement clinker;
[0156] S6: After the incineration exhaust gas has undergone dust removal and other processes to meet national emission standards, it is released into the atmosphere.
[0157] The mixing ratio of the explosive and the clinker powder is 1:100.
[0158] The drying temperature is 60℃ and the time is 4 hours.
[0159] The moisture content after drying is controlled at 3%.
[0160] The temperature inside the cement kiln is 1250℃, and the residence time is 30 minutes.
[0161] The temperature is cooled to 60°C.
[0162] The ash residue is added to cement clinker at a ratio of 10%.
[0163] The amount of explosion-proof fiber added is 0.3% of the mass percentage of the explosive, and its preparation method is as follows:
[0164] Add 500 kg of organic fiber and 10 kg of polymerized ferrocene-aluminum compound to a high-speed shear mixer, control the temperature to 100℃, and shear and mix for 10 minutes to obtain explosion-proof fiber.
[0165] The preparation method of the polymerized ferrocene aluminum compound is as follows:
[0166] 12 kg of aluminum acrylate, 0.01 kg of vinyl ferrocene, 2 kg of azobisisoheptanenitrile, and 500 kg of toluene were mixed evenly and stirred at 60°C for 2 h. The toluene was then removed by distillation to obtain the polymerized aluminum ferrocene compound.
[0167] The organic fiber mentioned is polyester.
[0168] The incineration removal rate and thermal expansion rate of the above embodiments and comparative examples were calculated using the following formula, and the results are shown in Table 1:
[0169] 1. Incineration removal rate (%) = (Wi - Wo) / Wi × 100%
[0170] Where: Wi - weight of the explosive to be incinerated;
[0171] Wo - The sum of the weight of explosives in the flue gas and incineration residue.
[0172] 2. Thermal expansion coefficient: Tested according to GB / T7320.
[0173] Table 1. Test data for both examples and comparative examples.
[0174]
[0175]
[0176] By comparing the data from the above embodiments with those from the comparative examples, it can be seen that the cement kiln has a large combustion space, enabling the processing of large quantities and various types of explosives, and significantly improving the combustion efficiency; the explosion-proof fiber prepared using this invention can play a role in preventing explosion and cracking.
[0177] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A technology for co-processing explosives in a cement kiln, comprising the following operational steps: S1: Mix the explosive with clinker powder and explosion-proof fiber in a certain proportion; S2: Feed the mixture into a flat die forming machine to form columnar particles with a size of 20-30cm; S3: Send the columnar particles into the dryer for drying; S4: The dried granules are sent to a cement kiln for incineration. S5: After exiting the kiln, it enters the grate cooler for cooling, and the ash is used as cement clinker; S6: After the incineration exhaust gas passes through the dust removal process and meets the national emission standards, it is released into the atmosphere. The amount of explosion-proof fiber added is 0.3-3% of the mass percentage of the explosive, and its preparation method is as follows: According to the mass fraction, add 500-1000 parts of organic fiber, 120-200 parts of basalt fiber, and 10-16 parts of polymerized ferrocene aluminum compound into a high-speed shear mixer, control the temperature to 100-120℃, and shear and mix for 10-30 minutes to obtain explosion-proof fiber. The preparation method of the polymerized ferrocene aluminum compound is as follows: According to the mass fractions, 12-20 parts of aluminum acrylate, 0.01-0.6 parts of vinyl ferrocene, 2-10 parts of azobisisoheptanenitrile, and 500-650 parts of toluene are mixed evenly and stirred at 60-85℃ for 2-6 hours. The toluene is then removed by distillation to obtain the polymerized aluminum ferrocene compound.
2. The technology for co-processing explosives in a cement kiln according to claim 1, characterized in that: The mixing ratio of the explosive and the clinker powder is 1:100-150.
3. The technology for co-processing explosives in a cement kiln according to claim 1, characterized in that: The drying temperature is 60-80℃, and the time is 4-10 hours.
4. The technology for co-processing explosives in a cement kiln according to claim 1, characterized in that: The moisture content after drying is controlled at 3-5%.
5. The technology for co-processing explosives in a cement kiln according to claim 1, characterized in that: The temperature inside the cement kiln is 1250-1450℃, and the residence time is 30-50 minutes.
6. The technology for co-processing explosives in a cement kiln according to claim 1, characterized in that: The temperature is cooled to 60-90℃.
7. The technology for co-processing explosives in a cement kiln according to claim 1, characterized in that: The ash residue is added to cement clinker at a ratio of 10-30%.
8. The technology for co-processing explosives in a cement kiln according to claim 1, characterized in that: The organic fibers include polyester, acrylic, nylon, polypropylene, aramid, ultra-high molecular weight polyethylene fiber, or polyimide fiber.