阅读说明：本技术 一种动物尸体焚烧处理系统及处理方法 (Animal carcass incineration treatment system and treatment method ) 是由 尚宏杰 于 2020-04-03 设计创作，主要内容包括：本发明提出了一种动物尸体焚烧处理系统,属于垃圾处理技术领域,包括进料系统、焚烧系统、热交换系统、急冷喷淋系统、干式脱酸系统、除尘系统、补风系统、引风系统及湿式除酸系统,在密封条件下热解焚烧、急冷中和、脱酸及除尘彻底成为净化气体排出,同时和热回收利用装置联动将系统产生的大量热量加以回收利用,降低了运营成本。本发明还提出了一种动物尸体焚烧处理应用方法。本发明技术方案能够实现自动化控制,连续稳定运行,运行成本低,热能回收利用率高,无有害气体排放,安全可靠,经济效益良好。(The invention provides an animal carcass incineration treatment system, which belongs to the technical field of garbage treatment and comprises a feeding system, an incineration system, a heat exchange system, a quenching spraying system, a dry deacidification system, a dust removal system, an air supplementing system, an air inducing system and a wet deacidification system, wherein pyrolysis incineration, quenching neutralization, deacidification and dust removal are thoroughly changed into purified gas under a sealed condition to be discharged, and a large amount of heat generated by the system is recycled by being linked with a heat recycling device, so that the operation cost is reduced. The invention also provides an application method for the incineration treatment of the animal carcasses. The technical scheme of the invention can realize automatic control, continuous and stable operation, low operation cost, high heat energy recovery utilization rate, no harmful gas emission, safety, reliability and good economic benefit.)

1. An animal carcass incineration treatment system is characterized by comprising a feeding system, an incineration system, a heat exchange system, a quenching spray system, a dry deacidification system, a dedusting system, an air supplementing system, an air inducing system and a wet deacidification system;

the feeding system is used for crushing animal carcasses into fragments by the crusher, and the fragments of the animal carcasses are conveyed to the hydraulic pushing device by the bucket elevator to be pushed;

the burning system comprises a rotary kiln, a secondary combustion chamber and a burner, the rotary kiln is connected with the secondary combustion chamber, the burner is used for burning combustible gas provided by the rotary kiln and the secondary combustion chamber, the rotary kiln comprises a horizontal cylindrical barrel, a speed reduction motor and a riding wheel mechanism for driving the barrel to rotate are arranged at the lower part of the barrel, a kiln head connected with a hydraulic pushing device is arranged at the front end of the barrel, the kiln head is connected with the barrel through a front sealing device, the rear end of the barrel is connected with a kiln tail through a rear sealing device, the secondary combustion chamber comprises a combustion chamber, and an emergency discharge chimney is arranged at the top of the combustion chamber;

the heat exchange system is a tube type heat exchanger, the tube type heat exchanger is connected with a cold water system for heat exchange to obtain high-temperature water vapor for supplying heat energy for production and life, and the cold water system is provided with a water softening device;

the rapid cooling spraying system comprises a rapid cooling tower, an alkali liquor pump and an atomizing spray gun, wherein the alkali liquor pump sprays prepared alkali liquor stored in an alkali liquor tank to high-temperature acid gas of the rapid cooling tower through the atomizing spray gun for neutralization reaction and rapid cooling, tail gas generated by the reaction is discharged through an adjustable valve arranged at a discharge port of the rapid cooling tower, and residue generated by the reaction is collected through an ash collector arranged at the bottom of the rapid cooling tower;

the dry deacidification system comprises a dry adsorption tower, a slaked lime injection device and an active carbon injection device, tail gas introduced into the dry adsorption tower is deacidified and desulfurized through the slaked lime injection device, and dioxin and heavy metals in the tail gas are adsorbed through the active carbon injection device;

the dust removal system comprises a bag-type dust remover, solid particles and ash in tail gas are removed by the bag-type dust remover, and the bag-type dust remover is provided with a pulse cleaner for cleaning a filter bag and a constant-temperature heating device for keeping temperature;

the wet-type deacidification system comprises at least one absorption tower body, a spray head is arranged in the absorption tower body, and the spray head sprays alkali liquor in an alkali liquor circulating pool into the absorption tower body through a spray pump for deacidification and desulfurization of tail gas;

the air supplementing system provides sufficient oxygen for the rotary kiln to continue burning, is used for improving the temperature of flue gas and the burning rate, and simultaneously introduces heated secondary air into the secondary combustion chamber through the air supplementing system to compensate oxygen supply;

the induced draft system comprises an induced draft fan, and the induced draft fan is respectively connected with outlets of the dry-type adsorption tower and the bag-type dust collector and is used for introducing tail gas into the absorption tower body.

2. The system of claim 1, further comprising a control system, wherein the control system comprises a central processor module, a sensor module, a communication module, and a human-computer interaction module, and the sensor module, the communication module, and the human-computer interaction module are all connected to the central processor module.

3. The animal carcass incineration disposal system according to claim 1, further comprising a denitration system connected to the heat exchange system, wherein the denitration system comprises an ammonia water storage, an ammonia water solution metering and distributing device and an injector, the ammonia water solution stored in the ammonia water storage is delivered by a feed pump, a dilution waterway is arranged at an outlet of the feed pump, the ammonia water solution metering and distributing device dilutes the ammonia water solution, and the diluted ammonia water solution is delivered to the injector through a stainless steel heat tracing pipe.

4. The system for incinerating animal carcasses according to claim 1, wherein a control valve is arranged at the bottom of the emergency discharge chimney and is used for automatically opening a valve to communicate the combustion chamber with the emergency discharge chimney when the system is powered off.

5. The system for incinerating animal carcasses according to claim 1, wherein a slag remover for collecting slag generated in the combustion chamber is arranged at the bottom of the combustion chamber, and a water cooling device is arranged in the slag remover and used for discharging the slag through a conveying device when the temperature of the slag falls below 80 ℃.

6. The animal carcass incineration disposal system according to claim 1, wherein the kiln head, the cylinder and the kiln tail are inclined downward by 1-3 degrees along a straight line and used for moving from the kiln head to the kiln tail in the carcass fragment incineration process, and the rotation speed of the cylinder is 0.2-2.0 r/min.

7. The system for incinerating animal carcasses according to claim 1, wherein the secondary combustion chamber further comprises an explosion-proof device disposed at the bottom of the combustion chamber, the explosion-proof device being adapted to open and release pressure when the pressure in the combustion chamber exceeds a predetermined value.

8. The animal carcass incineration disposal system according to claim 1, wherein the bag-type dust collector has an input port and an output port, and a bypass flue pipe is provided between the input port and the output port.

9. The system for incinerating animal carcasses according to claim 1, further comprising a chimney for discharging exhaust gas to the outside, and a detection device provided on the chimney.

10. An animal carcass incineration disposal method is characterized by comprising the following steps:

s1, starting a control system to realize system self-check;

s2, starting an induced draft fan to realize system induced draft;

s3, starting a wind supplementing machine to realize system wind supplementing;

s4, sequentially starting burners of the rotary kiln and the secondary combustion chamber, keeping the temperature in the rotary kiln between 850 ℃ and 1050 ℃, and keeping the temperature in the secondary combustion chamber not lower than 1100 ℃;

s5, starting a slag remover, and discharging residues generated by combustion of the secondary combustion chamber through a conveying device;

s6, starting a tube type heat exchanger, wherein the tube type heat exchanger is connected with a cold water system for heat exchange to obtain high-temperature water vapor for providing heat energy for production and life, and the temperature of tail gas output after the tail gas is introduced into the tube type heat exchanger and is not lower than 1100 ℃ for heat exchange is 500-550 ℃;

s7, sequentially starting an atomizing spray gun, a slaked lime injection device, an activated carbon injection device, a bag-type dust collector and spray headers arranged in the absorption tower body of the rapid cooling spray system, deacidifying and desulfurizing the tail gas, and removing harmful substances such as residual dioxin, heavy metals, dust particles and the like;

s8, starting an ammonia water solution metering and distributing device and an injector of the denitration system, and injecting ammonia water to the tail gas to perform a reduction reaction to realize tail gas denitration;

and S9, starting a detection device to analyze the components of the tail gas, discharging the tail gas meeting the environmental protection standard into the atmosphere, otherwise returning to the step S7 through a draught fan, and continuously processing until the tail gas meets the environmental protection standard.

Technical Field

The invention relates to the technical field of garbage treatment, in particular to an animal carcass incineration treatment system and an animal carcass incineration treatment method.

Background

With the rapid development of animal husbandry, the scale and intensification are continuously improved, the increase of animal tissues, dead pigs and abnormally dead animal carcasses becomes a prominent problem affecting the current food safety, animal epidemic disease prevention and control and the sustainable development of animal husbandry, and if the animal carcasses are improperly disposed, serious environmental pollution and infectious diseases can be caused, thus directly threatening the public health and safety of society. How to effectively treat animals died of illness has become a new problem in the current animal husbandry development and even social development, and the search for a safe, effective, environment-friendly, economically feasible harmless treatment technology for animals died of illness is urgent.

Disclosure of Invention

In order to solve the problems of the prior art, the invention discloses an animal carcass incineration treatment system, which comprises a feeding system, an incineration system, a heat exchange system, a quenching and spraying system, a dry deacidification system, a dust removal system, an air supplementing system, an air inducing system and a wet deacidification system;

the feeding system is used for crushing animal carcasses into fragments by the crusher, and the fragments of the animal carcasses are conveyed to the hydraulic pushing device by the bucket elevator to be pushed;

the burning system comprises a rotary kiln, a secondary combustion chamber and a burner, the rotary kiln is connected with the secondary combustion chamber, the burner is used for burning combustible gas provided by the rotary kiln and the secondary combustion chamber, the rotary kiln comprises a horizontal cylindrical barrel, a speed reduction motor and a riding wheel mechanism for driving the barrel to rotate are arranged at the lower part of the barrel, a kiln head connected with a hydraulic pushing device is arranged at the front end of the barrel, the kiln head is connected with the barrel through a front sealing device, the rear end of the barrel is connected with a kiln tail through a rear sealing device, the secondary combustion chamber comprises a combustion chamber, and an emergency discharge chimney is arranged at the top of the combustion chamber;

the heat exchange system is a tube type heat exchanger, the tube type heat exchanger is connected with a cold water system for heat exchange to obtain high-temperature water vapor for supplying heat energy for production and life, and the cold water system is provided with a water softening device;

the rapid cooling spraying system comprises a rapid cooling tower, an alkali liquor pump and an atomizing spray gun, wherein the alkali liquor pump sprays prepared alkali liquor stored in an alkali liquor tank to high-temperature acid gas of the rapid cooling tower through the atomizing spray gun for neutralization reaction and rapid cooling, tail gas generated by the reaction is discharged through an adjustable valve arranged at a discharge port of the rapid cooling tower, and residue generated by the reaction is collected through an ash collector arranged at the bottom of the rapid cooling tower;

the dry deacidification system comprises a dry adsorption tower, a slaked lime injection device and an active carbon injection device, tail gas introduced into the dry adsorption tower is deacidified and desulfurized through the slaked lime injection device, and dioxin and heavy metals in the tail gas are adsorbed through the active carbon injection device;

the dust removal system comprises a bag-type dust remover, solid particles and ash in tail gas are removed by the bag-type dust remover, and the bag-type dust remover is provided with a pulse cleaner for cleaning a filter bag and a constant-temperature heating device for keeping temperature;

the wet-type deacidification system comprises at least one absorption tower body, a spray head is arranged in the absorption tower body, and the spray head sprays alkali liquor in an alkali liquor circulating pool into the absorption tower body through a spray pump for deacidification and desulfurization of tail gas;

the air supplementing system provides sufficient oxygen for the rotary kiln to continue burning, is used for improving the temperature of flue gas and the burning rate, and simultaneously introduces heated secondary air into the secondary combustion chamber through the air supplementing system to compensate oxygen supply;

the induced draft system comprises an induced draft fan, and the induced draft fan is respectively connected with outlets of the dry-type adsorption tower and the bag-type dust collector and is used for introducing tail gas into the absorption tower body.

The intelligent control system further comprises a control system, wherein the control system comprises a central processing unit module, a sensor module, a communication module and a human-computer interaction module, and the sensor module, the communication module and the human-computer interaction module are all connected with the central processing unit module.

Further, still including connecting heat exchange system's deNOx systems, deNOx systems includes aqueous ammonia storage, aqueous ammonia solution measurement distributor and sprayer, and the aqueous ammonia solution of aqueous ammonia storage is carried by the feed pump, and feed pump exit is equipped with the dilution water route, and aqueous ammonia solution measurement distributor dilutes aqueous ammonia solution, and the aqueous ammonia solution after diluting is carried to the sprayer through stainless steel heat tracing pipe again.

Furthermore, a control valve is arranged at the bottom of the emergency discharge chimney and used for automatically opening the valve to enable the combustion chamber to be communicated with the emergency discharge chimney when the system is powered off.

Further, a slag remover for collecting slag generated by the combustion chamber is arranged at the bottom of the combustion chamber, a water cooling device is arranged in the slag remover, and the water cooling device is used for discharging the slag when the temperature of the slag is reduced to be below 80 ℃ through a conveying device.

Furthermore, the kiln head, the cylinder and the kiln tail are inclined downwards at a straight line by 1-3 degrees and used for moving from the kiln head to the kiln tail in the corpse fragment burning process, and the rotating speed of the cylinder is 0.2-2.0 r/min.

Further, the secondary combustion chamber also comprises an explosion-proof device arranged at the bottom of the combustion chamber, and the explosion-proof device is used for opening and releasing pressure when the pressure in the combustion chamber exceeds a preset value.

Furthermore, the bag-type dust collector is provided with an input port and an output port, and a bypass smoke pipe is arranged between the input port and the output port.

The device further comprises a chimney and a detection device arranged on the chimney, wherein the chimney is used for discharging the tail gas outwards.

The invention discloses an animal carcass incineration treatment method, which comprises the following steps:

s1, starting a control system to realize system self-check;

s2, starting an induced draft fan to realize system induced draft;

s3, starting a wind supplementing machine to realize system wind supplementing;

s4, sequentially starting burners of the rotary kiln and the secondary combustion chamber, keeping the temperature in the rotary kiln between 850 ℃ and 1050 ℃, and keeping the temperature in the secondary combustion chamber not lower than 1100 ℃;

s5, starting a slag remover, and discharging residues generated by combustion of the secondary combustion chamber through a conveying device;

s6, starting a tube type heat exchanger, wherein the tube type heat exchanger is connected with a cold water system for heat exchange to obtain high-temperature water vapor for providing heat energy for production and life, and the temperature of tail gas output after the tail gas is introduced into the tube type heat exchanger and is not lower than 1100 ℃ for heat exchange is 500-550 ℃;

s7, sequentially starting an atomizing spray gun, a slaked lime injection device, an activated carbon injection device, a bag-type dust collector and spray headers arranged in the absorption tower body of the rapid cooling spray system, deacidifying and desulfurizing the tail gas, and removing harmful substances such as residual dioxin, heavy metals, dust particles and the like;

s8, starting an ammonia water solution metering and distributing device and an injector of the denitration system, and injecting ammonia water to the tail gas to perform a reduction reaction to realize tail gas denitration;

and S9, starting a detection device to analyze the components of the tail gas, discharging the tail gas meeting the environmental protection standard into the atmosphere, otherwise returning to the step S7 through a draught fan, and continuously processing until the tail gas meets the environmental protection standard.

The implementation of the system and the method for incinerating the animal carcasses has the following beneficial technical effects:

the technical scheme of the invention can realize automatic control, continuous and stable operation, low operation cost, high heat energy recovery utilization rate, no harmful gas emission, safety, reliability and good economic benefit.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of an incineration disposal system for animal carcasses according to an embodiment of the present invention;

fig. 2 is a structure diagram of a rotary kiln in the animal carcass burning treatment system according to the embodiment of the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, an embodiment of the present invention provides an animal carcass incineration processing system, which includes a feeding system 1, an incineration system 2, a heat exchange system 3, a quenching spray system 4, a dry deacidification system 5, a dust removal system 6, an air supplementing system 8, an induced air system 9, and a wet deacidification system 7;

the feeding system 1 is characterized in that animal carcasses are broken into fragments by a breaker, and the fragments of the animal carcasses are conveyed to a hydraulic pushing device by a bucket elevator to be pushed;

the incineration system 2 comprises a rotary kiln 21, a secondary combustion chamber 22 and a burner, the rotary kiln 21 is connected with the secondary combustion chamber 22, the burner is used for providing combustible gas for incineration for the rotary kiln 21 and the secondary combustion chamber 22, the rotary kiln 21 comprises a horizontal cylindrical barrel 211, a speed reduction motor 212 and a riding wheel mechanism 213 which drive the barrel to rotate are arranged at the lower part of the barrel 211, a kiln head 214 connected with a hydraulic pushing device is arranged at the front end of the barrel 211, the kiln head 214 is connected with the barrel 211 through a front sealing device 215, the rear end of the barrel 211 is connected with a kiln tail 217 through a rear sealing device 216, the secondary combustion chamber 22 comprises a combustion chamber 221, and an emergency discharge chimney 222 is arranged at the top of the combustion chamber 221;

the heat exchange system 3 is a tube type heat exchanger, the tube type heat exchanger is connected with a cold water system for heat exchange to obtain high-temperature water vapor for supplying heat energy for production and life, and the cold water system is provided with a water softening device;

the quenching spray system 4 comprises a quenching tower 41, an alkali liquor pump 42 and an atomizing spray gun 43, wherein the alkali liquor pump 42 sprays prepared alkali liquor stored in an alkali liquor tank to high-temperature acid gas in the quenching tower 41 through the atomizing spray gun 43 for neutralization reaction and rapid cooling, tail gas generated by the reaction is discharged through an adjustable valve arranged at a discharge port of the quenching tower 41, and residue generated by the reaction is collected through an ash collector 411 arranged at the bottom of the quenching tower 41;

the dry type deacidification system 5 comprises a dry type adsorption tower 51, a slaked lime injection device 52 and an active carbon injection device 53, tail gas introduced into the dry type adsorption tower 51 is deacidified and desulfurized through the slaked lime injection device 52, and dioxin and heavy metals in the tail gas are adsorbed through the active carbon injection device 53;

the dust removal system 6 comprises a bag-type dust remover 61, solid particles and ash in tail gas are removed through the bag-type dust remover 61, and the bag-type dust remover 61 is provided with a pulse cleaner 62 for cleaning a filter bag and a constant temperature heating device 63 for keeping temperature;

the wet-type deacidification system 7 comprises an absorption tower body 71, a spray head 72 is arranged in the absorption tower body 71, and the spray head 72 sprays alkali liquor in an alkali liquor circulating pool 74 into the absorption tower body 71 through a spray pump 73 for tail gas deacidification and desulfurization;

the air supplement system 8 provides sufficient oxygen for the rotary kiln 21 to continue burning, so that the flue gas temperature and the burning rate are improved, and simultaneously, the heated secondary air is introduced into the secondary combustion chamber 22 through the air supplement system 8 to compensate the oxygen supply amount;

the induced draft system 9 comprises an induced draft fan, and the induced draft fan is respectively connected with outlets of the dry-type adsorption tower 51 and the bag-type dust collector 61 and is used for introducing tail gas into the absorption tower body 71.

According to a specific embodiment, the animal carcass incineration disposal system further comprises a control system, wherein the control system comprises a central processing unit module, a sensor module, a communication module and a human-computer interaction module, and the sensor module, the communication module and the human-computer interaction module are all connected with the central processing unit module.

According to a specific embodiment, this spoil incineration disposal system still including connecting heat exchange system 3's deNOx systems, deNOx systems includes aqueous ammonia storage, aqueous ammonia solution measurement distributor and sprayer, and the aqueous ammonia solution of aqueous ammonia storage is carried by the confession liquid pump, and the supply pump exit is equipped with the dilution water route, and aqueous ammonia solution measurement distributor dilutes aqueous ammonia solution, and the aqueous ammonia solution after diluting is carried to the sprayer through stainless steel heat tracing pipe again.

According to a specific embodiment, the emergency discharge chimney 222 is provided with a control valve at the bottom thereof, and the control valve is used for automatically opening a valve to communicate the combustion chamber 221 with the emergency discharge chimney 222 when the system is powered off.

According to a specific embodiment, the bottom of the combustion chamber 221 is provided with a slag remover for collecting slag generated by the combustion chamber, and the slag remover is internally provided with a water cooling device for discharging the slag through a conveyer when the temperature of the slag is reduced to below 80 ℃.

According to a specific embodiment, the kiln head 214, the cylinder body 211 and the kiln tail 217 are inclined downwards by 2 degrees along a straight line and used for moving from the kiln head 214 to the kiln tail 217 in the corpse fragment incineration process, and the rotation speed of the cylinder body is 0.2-2.0 r/min.

According to a specific embodiment, the secondary combustion chamber 22 further comprises an explosion-proof device arranged at the bottom of the combustion chamber, wherein the explosion-proof device is used for opening and releasing pressure when the pressure in the combustion chamber exceeds a preset value.

According to one embodiment, the bag-type dust collector 61 has an input port 611 and an output port 612, and a bypass flue pipe 613 is disposed between the input port 611 and the output port 612.

According to a specific embodiment, the animal carcass incineration disposal system further comprises a chimney 10 and a detection device arranged on the chimney 10, wherein the chimney 10 is used for discharging tail gas outwards.

The embodiment of the invention provides an animal carcass incineration treatment method, which comprises the following steps:

s1, starting a control system to realize system self-check;

s2, starting an induced draft fan to realize system induced draft;

s3, starting a wind supplementing machine to realize system wind supplementing;

s4, sequentially starting burners of the rotary kiln and the secondary combustion chamber, keeping the temperature in the rotary kiln between 850 ℃ and 1050 ℃, and keeping the temperature in the secondary combustion chamber not lower than 1100 ℃;

s5, starting a slag remover, and discharging residues generated by combustion of the secondary combustion chamber through a conveying device;

s6, starting a tube type heat exchanger, wherein the tube type heat exchanger is connected with a cold water system for heat exchange to obtain high-temperature water vapor for providing heat energy for production and life, and the temperature of tail gas output after the tail gas is introduced into the tube type heat exchanger and is not lower than 1100 ℃ for heat exchange is 500-550 ℃;

s7, sequentially starting an atomizing spray gun, a slaked lime injection device, an activated carbon injection device, a bag-type dust collector and spray headers arranged in the absorption tower body of the rapid cooling spray system, deacidifying and desulfurizing the tail gas, and removing harmful substances such as residual dioxin, heavy metals, dust particles and the like;

s8, starting an ammonia water solution metering and distributing device and an injector of the denitration system, and injecting ammonia water to the tail gas to perform a reduction reaction to realize tail gas denitration;

and S9, starting a detection device to analyze the components of the tail gas, discharging the tail gas meeting the environmental protection standard into the atmosphere, otherwise returning to the step S7 through a draught fan, and continuously processing until the tail gas meets the environmental protection standard.

The implementation of the system and the method for incinerating the animal carcasses has the following beneficial technical effects:

the technical scheme of the invention can realize automatic control, continuous and stable operation, low operation cost, high heat energy recovery utilization rate, no harmful gas emission, safety, reliability and good economic benefit.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.