CN103736710A - Continuous sectional-type dead-pig-carbonizing processing device and technology - Google Patents
Continuous sectional-type dead-pig-carbonizing processing device and technology Download PDFInfo
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- CN103736710A CN103736710A CN201310643765.2A CN201310643765A CN103736710A CN 103736710 A CN103736710 A CN 103736710A CN 201310643765 A CN201310643765 A CN 201310643765A CN 103736710 A CN103736710 A CN 103736710A
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- 238000010000 carbonizing Methods 0.000 title abstract description 7
- 238000005516 engineering process Methods 0.000 title abstract description 3
- 239000000463 material Substances 0.000 claims abstract description 43
- 241000282898 Sus scrofa Species 0.000 claims abstract description 41
- 238000002485 combustion reaction Methods 0.000 claims abstract description 30
- 238000003763 carbonization Methods 0.000 claims abstract description 26
- 238000001035 drying Methods 0.000 claims abstract description 12
- 230000001954 sterilising effect Effects 0.000 claims abstract description 12
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 24
- 230000011218 segmentation Effects 0.000 claims description 20
- 238000005336 cracking Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 5
- 239000003610 charcoal Substances 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 241001465754 Metazoa Species 0.000 abstract description 10
- 239000010902 straw Substances 0.000 abstract description 3
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 20
- 238000002955 isolation Methods 0.000 description 15
- 238000009395 breeding Methods 0.000 description 6
- 230000001488 breeding effect Effects 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
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- 244000144972 livestock Species 0.000 description 2
- 244000144977 poultry Species 0.000 description 2
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- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
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- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 239000003225 biodiesel Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
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Abstract
The invention relates to a continuous sectional-type dead-pig-carbonizing processing device and a technology, and solves the problem that straw carbonization devices in the prior art cannot perform dead pig carbonization for the reason of different characteristics of animals and plants. The device includes a combustion furnace for providing hot air, a cutter for shredding materials and a roller used to stir and convey the shredded materials, a cutter outlet and a combustion furnace outlet are connected to the head end of the roller, the bottom of the roller terminal is provided with a solid matter outlet, the solid matter outlet is connected with a carbonization furnace, the roller terminal is also provided with a gas outlet, the gas outlet is connected with a tail gas treatment device, the head end of the roller is provided with a first air distribution port, a secondary air distribution port is arranged at a position with a 1/4-1/2 distance apart from the head end of the roller, and the secondary air distribution port stretches into the roller by a gas-guide tube which enters from the roller terminal. According to a sectional-type temperature control mode of the dead-pig-carbonizing processing device, the generation of dioxin is reduced, the secondary pollution is avoided, the animal material carbonization is realized by high-temperature sterilization and low temperature drying pretreatment.
Description
Technical field
The present invention relates to a kind of carbonizing apparatus and technique, particularly the dead pig carbonization processing device of a kind of continuous separate segmentation and technique.
Background technology
China is livestock and poultry cultivation big country, and cultivation scale is at the forefront in the world.In the process of livestock and poultry cultivation, owing to having certain death rate in the reason breeding process such as weather, epidemic disease.Take pig-breeding industry as example, and generally, pig-breeding survival rate is in 97% left and right, and these dead live pigs, as can not be timely and effectively processed, must be developed in a healthy way and cause potential hazard ecological environment, aquaculture.The modes such as the general employing of traditional dead pig processing method is buried, burning.There is certain risk of environmental pollution in buried method; And burning method processing cost is high, and if in burning process incomplete combustion easily produce bioxin and cause secondary pollution.
And also have the dead pig processing mode that adopts closed circulation at present, and as disclosed CN102921696A patent application document in Patent Office of the People's Republic of China's on October 18th, 2012, name is called the pig treatment process of dying of illness, and this technique comprises step 1, reception & disposal; The pig that dies of illness is collected and processed in place; Step 2, disinfect; Collecting the pig that dies of illness of processing in place, carry out disinfection; Step 3, sealing pulverization process; The pig that dies of illness after sterile-processed is delivered to airtight processing workshop, with cutting machine, the pig that dies of illness is cut off, then send in pulverizer, the crushing material cutting off; Step 4, boiling and squeezing are processed; The material of pulverizing is sent to and in high-pressure bottle, carries out high-temperature sterilization and sterilizing; Step 5, fly maggot breeding; The slag of gained, as fly-maggot feed, carries out fly maggot breeding; Then carry out separation, after separation, obtain residual thing, excreta and fresh maggot; Step 6, profit are further separated into You Heshui, and the oil obtaining, as biodiesel and industrial chemicals, carries out next step processing, and isolated water is sent in step 5 as fly maggot breeding is used after concentrated.In this process using thermophilic digestion process, need a large amount of energy to heat water, and water after heating is with a large amount of heat discharges, power consumption is large, and processing cost is high, and above-mentioned technique is very complicated.
There is limited evidence currently of has the device that carries out charing for dead pig, and is obviously not suitable for the charing of the animal materials such as dead pig for agricultural crop straw carbonizing apparatus.Animal and plant belongs to diverse biology, has different characteristics, makes to exist in carbonization process different requirements.The difference of animal and plant tissue mainly contain following some: 1, in animal tissue containing sclerotin, be difficult to be ground into fine particle as plant; 2, take dead pig as example, dead pig moisture content is generally more than 70%, and due to the difficulty of pulverizing, dry run is long, and temperature requirement is high, needs special drying device; 3, chloride in animal tissue, in dry run, contact with high temperature drying air-flow, easily produce bioxin pernicious gas, if especially animal hair, grease imperfect combustion more easily impel the generation of bioxin.
Summary of the invention
The characteristic difference that the object of the invention is to solve existing animal and plant causes existing straw carbonizing apparatus cannot be suitable for the charing problem of dead pig, and the dead pig carbonization processing device of continuous separate segmentation and technique are provided.
The technical solution adopted for the present invention to solve the technical problems is: the dead pig carbonization processing device of a kind of continuous separate segmentation, comprise the combustion furnace that hot blast is provided, the shredding machine of chopping material and for stir-frying and carrying the cylinder of material after chopping, the discharging opening of shredding machine and combustion furnace air outlet connect the head end of cylinder, the end bottom of cylinder is provided with solid content outlet, solid content outlet is connected with retort, the end of cylinder is also provided with exhaust outlet, exhaust outlet connects exhaust gas processing device, the head end of cylinder has air distribution outlet one time, cylinder inner distance head end 1/4～1/2 place is provided with secondary air distribution outlet, secondary air distribution outlet probes in cylinder by the wireway entering from cylinder end.The pig of checkmating is chopped into after fritter, utilizes stir-frying of cylinder, has increased the contact area with thermal current, and sterilization and drying effect are good, and make full use of heat.The first section, dead pig material water ratio is initial more than 70%, and the temperature of cylinder head end is high, guarantees bactericidal effect, and plays certain drying effect; The second section, when material water ratio drops to 50% left and right, then under hot environment, especially hair and grease imperfect combustion, produce bioxin, therefore carry out secondary air distribution, baking temperature is reduced between 150～250 ℃ of degree, reduce generation of dioxin; The 3rd section, cylinder end materials moisture content is below 30%, send into retort and carry out the charing of high temperature anoxybiotic, temperature remains on that 800 ℃ of above bioxin at high temperature produce also can fast decoupled, and the cracking gas that material charing can be separated out imports combustion furnace or burn in cylinder head end high-temperature region.The tail gas of high temperature gas flow sterilization discharges after vent gas treatment.
As preferably, described wireway probes in cylinder from cylinder end, and is provided with temperature sensor at wireway middle part.Temperature to the second section is monitored, and adjusts in time secondary air distribution amount.
As preferably, described secondary air distribution outlet air-out direction towards rotary drum radial to or towards cylinder end or the air-out of snub pulley end tilts.Guarantee that secondary air distribution can not exert an influence to the temperature of the first section.
As preferably, described cylinder adopts internal thread to carry, and the thread pitch of secondary air distribution outlet front side is greater than the thread pitch of rear side.In dry materials process, moisture is constantly separated out, and weight reducing is carried screw thread by adjusting, extends material in the time of the second section low temperature drying, guarantees drying effect, can not cause again material to overstock simultaneously.
As preferably, the head end of described cylinder is provided with the inlet air plenum being communicated with combustion furnace, cylinder end is provided with the air compartment that with solid content outlet and exhaust outlet, retort both sides are respectively with inlet air plenum with go out air compartment and be communicated with, and cylinder and retort are respectively as inlet air plenum with go out the individual air stream branch road between air compartment.Inlet air plenum is unified air distribution, and high temperature gas flow is provided, and controls the temperature of the first section and the second section in cylinder by twice air distribution, and the high temperature gas flow that retort is directly introduced inlet air plenum carries out charing.
As preferably, in described retort, be provided with the charing auger that sealing is carried, the import of charing auger is connected with the outlet of cylinder solidfied material, and the sidewall of charing auger is connected with cracking gas conduit, and the cracking gas conduit other end is connected to combustion furnace or cylinder head end.Cracking gas is flammable and may contain toxicant, directly imports high temperature, oxygen containing combustion furnace or cylinder head end and burns.
As preferably, described charing auger comprises a plurality of segmented augers of arranging up and down, and neighbouring auger segmentation is end to end, throughput direction is contrary.Guarantee that material has enough carbonization times.
As preferably, described exhaust gas processing device comprises cyclone separator and the screen collector connecting successively, and screen collector entrance is also provided with the air-introduced machine that air flow power is provided.
As preferably, described shredding machine is multistage shredding machine, and multistage shredding machine joins end to end, and material chopping volume reduces step by step, and the shredding machine of afterbody connects the head end of cylinder by auger.
As preferably, described shredding machine is placed in isolation ward, and isolation ward is communicated with the air inlet of combustion furnace by ventilation shaft, and ventilation shaft is provided with air-introduced machine.Dead pig contains a large amount of pathogenic bacteria, and in pretreatment process, without high temperature sterilization, especially, in cutting and grinding process, the toxic gas that in cutting process, dust and the pig itself that dies of illness are distributed can serious environment pollution.Chopping process is arranged on separately in isolation ward, prevent contaminated environment, and the air of isolation ward is delivered to combustion furnace as combustion air by air-introduced machine, can not only replace the air in isolation ward, avoid the too high opening from charging of concentration of toxic gases to overflow and pollute or operating personnel are caused a disease, and can directly utilize burning and the high temperature of combustion furnace, sterilization, dedusting, makes the air in isolation ward enter circulation, final disposal of pollutants.
As preferably, described isolation ward feed side is communicated with outside by conveyer belt, and conveyer belt is connected with the elevator of material being sent into shredding machine charging aperture.
The dead pig charing of a continuous separate segmentation treatment process, comprises the following steps:
A, startup burner, pass into hot blast to cylinder and combustion furnace, and at air distribution of cylinder head end, make cylinder head end temperature between 500～600 ℃, at secondary air distribution outlet place air distribution, makes secondary air distribution outlet temperature backward between 150～250 ℃;
B, the pig of checkmating are sent into pulverizer, and crushing rear material is sent into cylinder;
C, index drum rotating speed, make material between secondary air distribution outlet, carry out high temperature sterilization at cylinder head end, and while guaranteeing that material arrives secondary air distribution outlet moisture content between 45%-55%;
D, material carry out low temperature drying between secondary air distribution outlet and cylinder end, during cylinder end, locate material water ratio lower than 30%;
The charing auger that e, material enter retort carries out high temperature carbonization;
The tail gas of f, cylinder and retort enters the discharge of exhaust gas processing device purified treatment;
G, charcoal are exported from charing auger end.
The present invention utilizes the segmented temperature control mode of dead pig carbonizing apparatus, reduces the generation of bioxin, avoids secondary pollution; Before charing, through high temperature sterilization and low temperature drying pre-treatment, realized the charing of animal material.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
In figure: 1. conveyer belt, 2. bucket elevator, 3. isolation ward, 4. one-level shredding machine, 5. ventilating opening, 6. secondary breaker, 7. inlet air plenum, 8. cylinder, 9. wireway, 10. go out air compartment, 11. combustion furnaces, 12. temperature sensors, 13. retorts, 14. cyclone separators, 15. screen collectors, 16. charing augers, 17. internal threads.
The specific embodiment
Below by specific embodiment, also the present invention is further described by reference to the accompanying drawings.
Embodiment: the dead pig carbonization processing device of a kind of continuous separate segmentation and technique, as shown in Figure 1.This device left end is initiating terminal, and the pig that dies of illness enters in isolation ward 3 by conveyer belt 1.In isolation ward 3, the pig that dies of illness rises to the charging aperture of one-level shredding machine 4 by bucket elevator 2, one-level shredding machine is chopped into larger bulk by the pig that dies of illness, by auger, deliver to secondary shredding machine 6 and be chopped into fritter, one-level shredding machine also directly discharging opening align with secondary shredding machine charging aperture, adopt the open and close controlling conveying capacity of the hopper of one-level shredding machine downside.One side of the close cylinder of isolation ward 3 is provided with ventilating opening, and ventilating opening place is provided with the air inlet that ventilation shaft connects combustion furnace, and on ventilation shaft, the air-introduced machine that air flow power is provided is set, and isolation room air is replaced.
Secondary shredding machine 6 connects the head end of cylinder 8 by auger, the pig material of dying of illness after chopping is sent into cylinder stir-fries and to cylinder end feed, inner wall of rotary drum is provided with the internal thread 17 for stir-frying and carrying.The head end of cylinder is provided with inlet air plenum 7, and the end of cylinder is provided with out air compartment 10.One side of inlet air plenum is provided with combustion furnace 11, the hot blast of combustion furnace enters inlet air plenum temperature more than 800 ℃, and hot blast enters and at cylinder head end, air distribution outlet is set one time from cylinder head end, and cylinder head end temperature is adjusted to 500～600 ℃, as the first section, carry out sterilization and dry; From cylinder end, stretch into a wireway 9, wireway end is apart from cylinder head end 1/3 drum length, wireway end is secondary air distribution outlet, secondary air distribution outlet is towards the air-out of cylinder end tilts, temperature in the cylinder at secondary air distribution outlet rear is controlled to 150～250 ℃, as the second section, carry out low temperature drying; Hot blast enters out air compartment from the end of cylinder, by exhaust gas processing device, discharges.The internal thread pitch of the inner secondary air distribution outlet of cylinder front side is greater than the internal thread pitch of rear side.
The outlet of cylinder end solid content is arranged on out air compartment 10 places, and solid content outlet enters carbonization chamber 13 by charing auger 16, as the 3rd section, carries out the charing of high temperature anoxybiotic.Carbonization chamber 13 air intakes draw from inlet air plenum 7, and air-out is discharged to out air compartment 10, and charing indoor temperature is controlled at more than 800 ℃ by high temperature gas flow.Charing auger 16 is provided with cracking gas conduit, and the flammable virose cracking gas that carbonization process is separated out imports to the first section and burns.Charing auger comprises upper and lower two auger segmentations, and two auger segmentations are end to end, and throughput direction is contrary, charing auger outlet output charcoal.
Go out air compartment 10 and also have exhaust outlet, exhaust outlet connects cyclone separator 14, and the air stream outlet of cyclone separator connects screen collector 15 by air-introduced machine.The particulate dust that the dust outlet of cyclone separator is collected, sends into combustion furnace 11 burnings, and burning substrate focuses on.
The cylinder of whole system, combustion furnace, shredding machine are arranged in the space of relative closure, in above-mentioned enclosure space, shredding machine are isolated in separately in isolation ward, and the combustion air of combustion furnace draws self-isolation chamber, and isolation ward air is replaced.
The processing step of this device is:
A, startup burner, pass into hot blast to cylinder and combustion furnace, and at air distribution of cylinder head end, make cylinder head end temperature between 500～600 ℃, at secondary air distribution outlet place air distribution, makes secondary air distribution outlet temperature backward between 150～250 ℃;
B, the pig of checkmating are sent into pulverizer, and crushing rear material is sent into cylinder;
C, index drum rotating speed, make material between secondary air distribution outlet, carry out high temperature sterilization at cylinder head end, and while guaranteeing that material arrives secondary air distribution outlet moisture content between 45%-55%;
D, material carry out low temperature drying between secondary air distribution outlet and cylinder end, during cylinder end, locate material water ratio lower than 30%;
The charing auger that e, material enter retort carries out 800 ℃ of high temperature carbonizations;
The tail gas of f, cylinder and retort enters the discharge of exhaust gas processing device purified treatment;
G, charcoal are exported from charing auger end.
Claims (10)
1. the dead pig carbonization processing device of continuous separate segmentation, it is characterized in that: comprise the combustion furnace that hot blast is provided, the shredding machine of chopping material and for stir-frying and carrying the cylinder of material after chopping, the discharging opening of shredding machine and combustion furnace air outlet connect the head end of cylinder, the end bottom of cylinder is provided with solid content outlet, solid content outlet is connected with retort, the end of cylinder is also provided with exhaust outlet, exhaust outlet connects exhaust gas processing device, the head end of cylinder has air distribution outlet one time, cylinder inner distance head end 1/4～1/2 place is provided with secondary air distribution outlet, secondary air distribution outlet probes in cylinder by the wireway entering from cylinder end.
2. the dead pig carbonization processing device of continuous separate segmentation according to claim 1, is characterized in that: described wireway probes in cylinder from cylinder end, and is provided with temperature sensor at wireway middle part.
3. the dead pig carbonization processing device of continuous separate segmentation according to claim 1, is characterized in that: described secondary air distribution outlet air-out direction towards rotary drum radial to or towards cylinder end or the air-out of snub pulley end tilts.
4. according to the dead pig carbonization processing device of continuous separate segmentation described in claim 1 or 2 or 3, it is characterized in that: described cylinder adopts internal thread to carry, and the thread pitch of secondary air distribution outlet front side is greater than the thread pitch of rear side.
5. according to the dead pig carbonization processing device of continuous separate segmentation described in claim 1 or 2 or 3, it is characterized in that: the head end of described cylinder is provided with the inlet air plenum being communicated with combustion furnace, cylinder end is provided with the air compartment that with solid content outlet and exhaust outlet, retort both sides are respectively with inlet air plenum with go out air compartment and be communicated with, and cylinder and retort are respectively as inlet air plenum with go out the individual air stream branch road between air compartment.
6. according to the dead pig carbonization processing device of continuous separate segmentation described in claim 1 or 2 or 3, it is characterized in that: in described retort, be provided with the charing auger that sealing is carried, the import of charing auger is connected with the outlet of cylinder solidfied material, the sidewall of charing auger is connected with cracking gas conduit, and the cracking gas conduit other end is connected to combustion furnace or cylinder head end.
7. the dead pig carbonization processing device of continuous separate segmentation according to claim 6, is characterized in that: described charing auger comprises a plurality of segmented augers of arranging up and down, and neighbouring auger segmentation is end to end, throughput direction is contrary.
8. according to the dead pig carbonization processing device of continuous separate segmentation described in claim 1 or 2 or 3, it is characterized in that: described exhaust gas processing device comprises cyclone separator and the screen collector connecting successively, and screen collector entrance is also provided with the air-introduced machine that air flow power is provided.
9. according to the dead pig carbonization processing device of continuous separate segmentation described in claim 1 or 2 or 3, it is characterized in that: described shredding machine is multistage shredding machine, multistage shredding machine joins end to end, and material chopping volume reduces step by step, and the shredding machine of afterbody connects the head end of cylinder by auger.
10. the dead pig charing of a continuous separate segmentation treatment process for any described device of applicable claim 1 to 8, is characterized in that: comprise the following steps:
A, startup burner, pass into hot blast to cylinder and combustion furnace, and at air distribution of cylinder head end, make cylinder head end temperature between 500～600 ℃, at secondary air distribution outlet place air distribution, makes secondary air distribution outlet temperature backward between 150～250 ℃;
B, the pig of checkmating are sent into pulverizer, and crushing rear material is sent into cylinder;
C, index drum rotating speed, make material between secondary air distribution outlet, carry out high temperature sterilization at cylinder head end, and while guaranteeing that material arrives secondary air distribution outlet moisture content between 45%-55%;
D, material carry out low temperature drying between secondary air distribution outlet and cylinder end, during cylinder end, locate material water ratio lower than 30%;
The charing auger that e, material enter retort carries out high temperature carbonization;
The tail gas of f, cylinder and retort enters the discharge of exhaust gas processing device purified treatment;
G, charcoal are exported from charing auger end.
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| CN104785501A (en) * | 2015-04-13 | 2015-07-22 | 赵言航 | Animal carcass processing technology and animal carcass processing system |
| CN104907317A (en) * | 2015-06-11 | 2015-09-16 | 山东天力干燥股份有限公司 | Integrated harmless dead livestock treatment system and process thereof |
| CN106269778A (en) * | 2015-05-26 | 2017-01-04 | 浙江布莱蒙农业科技股份有限公司 | Portable dead poultry treating stations |
| CN107082548A (en) * | 2017-04-27 | 2017-08-22 | 浙江布莱蒙农业科技股份有限公司 | A kind of three return-stroke type roller drying carbonizers |
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