CN105154112A - Meat corpse continuous pyrolysis carbonization method and device - Google Patents
Meat corpse continuous pyrolysis carbonization method and device Download PDFInfo
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- CN105154112A CN105154112A CN201510446340.1A CN201510446340A CN105154112A CN 105154112 A CN105154112 A CN 105154112A CN 201510446340 A CN201510446340 A CN 201510446340A CN 105154112 A CN105154112 A CN 105154112A
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Abstract
The invention relates to a meat corpse continuous pyrolysis carbonization device which comprises a preheating room (1), a carbonization room (2), a cooling room (3), a pyrolysis gas recycling unit (4) and a charging basket (5), wherein the preheating room (1), the carbonization room (2) and the cooling room (3) are sequentially connected; furnace doors are arranged for the preheating room (1), the carbonization room (2) and the cooling room (3); an air flue is formed between the outer wall of each furnace pipe and the inner wall of each furnace body; a combustion room (42) is arranged at the side of a second furnace body (20), and an exhaust gas discharge pipe (43) is communicated with a second furnace pipe (21) and the combustion room (42); a high-temperature flue gas importing pipe (44) is used for discharging gas in a second air flue (27); a first material pusher (16) feeds the charging basket (5) from a first feeding end (13) and pushes the charging basket (5) from a third discharging end (33); the charging basket (5) is used for placing meat corpses. The device provided by the invention solves the problem that the equipment quantity is great and the whole structure is complex and has the advantages of being high in automatic degree, simple in process, simple in equipment structure and the like.
Description
Technical field:
The present invention relates to organic waste treatment technical field, relate to a kind of meat corpse continous way pyrolysis charring method and device in particular.
Background technology:
In recent years, along with the increase of development in agricultural science and technology and region cultivation density, and the virus disseminating such as bird flu, animal dead quantity rises year by year, and the environmental pollution that dead livestock and poultry causes and healthy hidden danger series of problems receive much concern.If dead livestock and poultry is harmless treatment not in time, easily cause generation and the propagation of great animal epidemic, and improper process can cause environmental pollution.A few days ago, to dead livestock and poultry harmless treatment as the comparatively effective resource treatment technique of one gradually adopt by industry.
Chinese invention patent prospectus CN103484135B discloses a kind of efficient meat corpse pyrolysis treatment device and method, comprise 1 cooling room and 2 pyrolysis chambers, each pyrolysis chamber is configured with a combustion chamber and two biomass burners, Liang Ge pyrolysis chamber is utilized to configure an independent cooling room, after pyrolysis chamber's pyrolysis completes wherein, pyrolysis chamber cools for some time, when treating that temperature reaches about 500 DEG C, the charging basket in pyrolytic tank is pulled to cooling room cooling; Simultaneously after the high temperature charging basket pull-out pyrolytic tank being loaded with pyrolytic carbon compound, the new charging basket filling meat corpse can be drawn in again, make full use of the waste heat in pyrolytic tank, realize Liang Ge pyrolysis chamber and to hocket pyrolysis charring, speed up processing.
In the use procedure of reality, according to applicant's reflection, this covering device can accelerate the processing speed of meat corpse, but it exists certain problem:
(1) pyrolysis chamber, cooling room and the separate setting of the tow tractor for collecting pyrolysis charring product in this device, number of devices is many, complicated integral structure, cannot realize the thawing of meat corpse, pyrolysis charring and cooling process integration, automatically, continuously complete, overall pyrolysis processing efficiency is low, and energy consumption is large.
(2) although preheating and pyrolysis charring integrally carry out in pyrolytic tank in this device, accelerate processing efficiency to a certain extent, but the heat supplied of preheating and pyrolysis charring can not regulate according to the actual requirements, utilize the waste heat of pyrolytic tank to carry out preheating to chilled meat corpse to thaw, but because the temperature of now pyrolytic tank is at about 500 DEG C, meat corpse inside can be caused also not thaw, its outside mummification even carbonizes, there will be the incomplete situation of pyrolysis processing, namely " half-cooked " phenomenon, charred effect is bad.
(3) after pyrolysis charring completes, need the temperature in pyrolysis chamber to be reduced to after below 500 DEG C and can open fire door release charging basket, after to be allowed for access new pending new charging basket, the temperature losses of pyrolysis chamber is comparatively large, and it wastes the temperature in a part of pyrolysis chamber to a certain extent.
Summary of the invention:
An object of the present invention is for the deficiencies in the prior art part, a kind of meat corpse continous way pyrolysis charring method is provided, the method realizes the thawing of meat corpse, the continuous and automatic of pyrolysis charring and cooling process carries out, processing efficiency is high, by the burner of a combustion chamber and configuration for each part actual needs provides heat, technique and counter structure simple, heat-energy losses is low, utilization ratio is high, energy-conserving and environment-protective.
Technology solution of the present invention is as follows:
A kind of meat corpse continous way pyrolysis charring method, comprises preheating, pyrolysis charring, cooling and pyrolysis gas recycling part, it is characterized in that:
(a) regenerator section: be l charging basket by the length being mounted with meat corpse in the preheating chamber of oxygen barrier, normal pressure and 100 ~ 300 DEG C, carry out jacketed type pre-treatment, ensure that in pretreatment chamber be oxygen barrier state;
(b) pyrolysis charring part: after pre-treatment, it is in L coking chamber that charging basket pushes working length continuously, coking chamber is kept to be in sealing and oxygen barrier state, thermal source carries out jacketed type heating to coking chamber, make meat corpse carry out pyrolysis charring under oxygen debt and 300 ~ 750 DEG C of conditions, the pyrolysis charring time of charging basket in coking chamber is t;
(c) cooling segment: after time t, anaerobic state is in by cooling room, and coking chamber is communicated with cooling room with preheating chamber, promote the new charging basket be placed in preheating chamber, charging basket entirety in coking chamber moves forward distance l, cools until charging basket foremost enters in cooling room; This charging basket enters in cooling room and carries out jacketed type cooling, collects solid product after cooling; New charging basket enters in coking chamber and carries out charing process, ensures that coking chamber separates with pretreatment chamber and cooling room afterwards; Then, again in preheating chamber, push the new charging basket being mounted with meat corpse, this charging basket enters preheating; Through pretreatment chamber, pyrolysis charring room and cooling room after charging basket is first, realize processing continuously.
D () pyrolysis gas recycles part: introduced in combustion chamber by the pyrolysis gas produced in pyrolysis charring process and burn, the first high-temperature flue gas obtained after burning supports pyrolysis charring by the mode heat supply of jacket for heat exchange, realizes the heat energy recycle of pyrolysis gas.
As improvement, also comprising pre-treatment oxygen scavenging moiety, making pretreatment chamber keep anaerobic state by passing into nitrogen in pretreatment chamber.
As improvement, also comprising cooling oxygen scavenging moiety, making cooling room keep anaerobic state by passing into nitrogen in cooling room.
As improvement, described pyrolysis charring room is divided into the first temperature section, the second temperature section and the 3rd temperature section by its length direction; The temperature of the first temperature section is 550-750 degree Celsius, and the temperature of the first temperature section is 500-600 degree Celsius, and the temperature of the first temperature section is 300-500 degree Celsius; Charging basket is successively through the first temperature section, the second temperature section and the 3rd temperature section.
As improvement, the described preheating waste gas extraction produced in part and cooling segment of thawing enters in combustion chamber and carries out burn processing.
As improvement, the first burning zone and the second burning zone are divided in described combustion chamber, and gas carries out burn processing through the first fire end and the second burning zone first.
As improvement, described the second high-temperature flue gas after pyrolysis charring heat exchange supports thermal pretreatment by the mode heat supply of jacket for heat exchange.
As improvement, the thermal source in described pyrolysis charring part derive from pyrolysis gas, biomass fuel or other there is the burning of the waste material of calorific value.
As improvement, the solid product after described pyrolysis charring is cooled by air-cooled temperature-reduction.
Another object of the present invention is for the deficiencies in the prior art part, a kind of meat corpse continous way pyrolysis charring device is provided, preheating chamber, coking chamber and cooling room are wholely set by this device, realize the thawing of meat corpse, the automatic order of pyrolysis charring and cooling process carries out, simultaneously by means of only the burner arranging a combustion chamber and configuration, the actual needs according to preheating chamber and coking chamber carries out difference heat supply, equipment and counter structure simple, stable, operation cost is low.
Technology solution of the present invention is as follows:
A kind of meat corpse continous way pyrolysis charring device, comprise preheating chamber, coking chamber, cooling room, pyrolysis gas recycling unit and charging basket, this charging basket, for settling meat corpse, is characterized in that: described preheating chamber and cooling room are placed in the two ends of coking chamber and communicate with coking chamber respectively;
Described preheating chamber comprises the first body of heater, the first flue and the first guide rail, and the first feed end of preheating chamber is provided with liftable first fire door, seals; The first air channel is formed between the inwall of the first furnace outer wall and the first body of heater; Also comprise the first pushing device, this pushing device is used for inside charging basket being pushed into the first flue by the outside of the first flue;
Described coking chamber comprises the second body of heater, the second flue and the second guide rail, second feed end of the second body of heater and the second discharge end are separately installed with liftable front fire door and rear fire door, second guide rail is arranged on the bottom of the second flue, forms the second air channel between the second inboard wall of furnace body and the second furnace outer wall;
Described cooling room comprises the 3rd body of heater, the 3rd flue and the 3rd guide rail, and the 3rd discharge end of cooling room is provided with liftable 3rd fire door, seals; The 3rd air channel is formed between the inwall of the 3rd furnace outer wall and the 3rd body of heater;
Described pyrolysis gas recycle unit comprise be configured with burner combustion chamber, exhaust emission tube and high-temperature flue gas ingress pipe; Combustion chamber is arranged on the side of body of heater, and it is communicated with the second air channel by blast inlet, and the inlet end of exhaust emission tube is communicated with the second flue, and its exit end stretches in combustion chamber; One end of high-temperature flue gas ingress pipe is communicated with the second air channel by air outlet, for being discharged by the gas in the second air channel;
Described charging basket is entered by the first feed end, along the first guide rail, the second guide rail and the 3rd guide rail through the first flue, the second flue and the 3rd flue, and releases through the 3rd discharge end of the 3rd flue.
With fire door liftable on preheating chamber, coking chamber and cooling room, effective control coking chamber built with charing solid product charging basket according to certain time interval under guide rail conveying effect, sequentially one by one move to cooling room while, the charging basket being filled with chilled meat corpse is by the cooperation of front pushing device and guide rail, in order, pushing in coking chamber and carry out pyrolysis charring one by one, often advance a charging basket, in coking chamber, all charging baskets push ahead the length of a charging basket together, and the charging basket released by coking chamber enters in cooling room and cools; Realize continuity and the order of pyrolysis processing, efficiency is high, saves labour turnover.
The pyrolysis gas produced in second flue in the present invention is introduced in combustion chamber by exhaust emission tube and is burnt, and the pyrolysis charring process that the high-temperature flue gas that combustion chamber produces enters for meat corpse in the second air channel through air outlet is heated.
As improvement, the upper surface of described first guide rail, the second guide rail and the 3rd guide rail is all positioned at same level height and is adjacently mutually connected between the two.
As improvement, described blast inlet is positioned at the side near the second feed end, and described air outlet is positioned at the side near the second discharge end.Blast inlet is positioned at the side near the second feed end, and go out the side that Fen Kou is positioned at close second discharge end, with the second furnace body outer wall heat exchange after high-temperature flue gas is first entered by blast inlet, the high-temperature flue gas after heat exchange is discharged through air outlet; The path of high-temperature flue gas can make the temperature of the outer wall of the second body of heater have corresponding difference, and the position temperature namely near blast inlet is higher, and the position temperature near air outlet is lower; Formation temperature transition before; The heating of the different steps of material is achieved in the process of temperature transition, in initial stage heat, slowly low-temperature heat afterwards, different heating temperatures can be carried out according to the carbonization time of the meat corpse in the second body of heater, make heating temperatures more even, heating efficiency is higher, saves the energy, raises the efficiency.
As improvement, described combustion chamber level is relatively set with the first burner and the second burner, and this first burner is arranged on the position of the exit end near exhaust emission tube, and this second burner is arranged on the position near being positioned at blast inlet.Combustion chamber is divided into two stage combustion, and the pyrolysis gas of being derived by the second body of heater is through the burning of twice combustion device, and burning is more abundant, reduces follow-up fume treatment pressure.Wherein, gear gas wall is crisscross arranged up and down in combustion chamber, effectively extends the residence time of pyrolysis gas in combustion chamber, increases itself and the duration of contact of burner bocca, pyrolysis gas is fully burned, raising heat energy recycle rate.
Burner in the present invention is natural gas burner, biomass particle burner, oil fuel burner, coal burner.
Improve as another, be provided with at least one gear gas wall in described combustion chamber, combustion chamber is divided at least two spaces by this gear gas wall, and the height of this gear gas wall is lower than the height of combustion chamber, and gas is circulated by the space between gear gas wall and the inwall of combustion chamber.
Improve as another, also comprise and draw material machine, this draws material machine to coordinate with the 3rd guide rail and is slidably connected, and is drawn out to outside the 3rd flue by charging basket by the 3rd flue.By drawing material machine, charging basket can be pulled out fast in the 3rd body of heater, improving the ability of automatization.
As further improving, in described second air channel, staggering vertical is provided with some air channels traffic organising plate, and the air channel traffic organising plate between adjacent is crisscross arranged; Gas in described second air channel moves along air channel traffic organising plate current.
Air channel traffic organising plate has guide functions, and multiple air channels traffic organising plate is crisscross arranged up and down along high-temperature flue gas flow direction, flue is divided into different regions and flows in regional; On the one hand high-temperature flue gas is flowed at the second flue outside surface along spirality path, effectively ensure that high-temperature flue gas flows to the other end from one end of the second flue, improve being heated evenly property and the pyrolysis efficiency of coking chamber, pyrolysis is effective; Extend the residence time of high-temperature flue gas on the other hand, improve heat utilization efficiency.
As further improving, the other end of described high-temperature flue gas ingress pipe passes in the first air channel.High-temperature flue gas after the second air channel heat exchange is introduced in preheating chamber through high-temperature flue gas ingress pipe, for the process of thawing of meat corpse provides heat, realizes pyrolysis gas resource recycling.
As further improving, being equipped with nitrogen with the top of cooling room and passing into mouth of described preheating chamber, this nitrogen passes into mouth and is communicated to the first air channel and the second air channel.
As further improving, in the 3rd air channel of described cooling room, being also provided with gas blower admission port, for the form by air blast, the 3rd body of heater being lowered the temperature.
Beneficial effect of the present invention is:
(1) syllogic that preheating chamber, coking chamber and cooling room are wholely set by the present invention combines corpse process stove, preheating chamber and cooling room communicate with coking chamber and liftable fire door by it is arranged respectively, according to corresponding treatment step, the propelling movement in order, one by one of effective control charging basket, realize the thawing of meat corpse, the continuity of pyrolysis charring and cooling process and order, stable, processing efficiency is high, is applicable to automatization, pipeline system operation;
(2) on coking chamber by arranging a combustion chamber and the burner that is equipped with mutually can meet whole pyrolysis charring flow process institute heat requirement, and heat can be provided according to the actual needs of preheating chamber and coking chamber by temperature-control device, effectively realize the properly distributed of heat, reduce number of devices, simplification device one-piece construction, heat utilization efficiency is high;
(3) waste gas produced in the pyrolysis gas produced in meat corpse pyrolysis charring treating processes and preheating chamber and cooling room is all burnt in fuel introducing combustion chamber, the high-temperature flue gas produced is introduced in hot gas path, a part provides thermal source for pyrolysis charring process, another part thaws for preheating provides heat, realize the recycling of pyrolysis gas, ensure energy-autarchic in pyrolysis processing process, energy-conserving and environment-protective.
In sum, it is high that the present invention has level of automation, work simplification, and device structure is simple, and heat treatment efficiency is high, low power consumption and other advantages.
Accompanying drawing illustrates:
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is the process flow sheet of the embodiment of the present invention one meat corpse continous way pyrolysis charring method;
Fig. 2 is the one-piece construction schematic diagram of the embodiment of the present invention two meat corpse continous way pyrolysis charring device;
Fig. 3 is the vertical view of the embodiment of the present invention two meat corpse continous way pyrolysis charring device;
Fig. 4 is the vertical view of the embodiment of the present invention three meat corpse continous way pyrolysis charring device;
Fig. 5 is the air flow direction schematic diagram that the embodiment of the present invention two air channel traffic organising plate controls;
Fig. 6 is that the embodiment of the present invention two combustion chamber A-A is to part sectioned view;
Fig. 7 is that the embodiment of the present invention three combustion chamber A-A is to part sectioned view.
In figure: 1. preheating chamber, 10. the first body of heater, 11. first flues, 12. first guide rails, 13. first feed ends, 14. first fire doors, 15. 1 air channel, 16. first pushing devices, 2. coking chamber, 20. second bodies of heater, 21. second flues, 22. second guide rails, 23. second feed ends, 24. second discharge ends, fire door before 25., fire door after 26., 27. second air channels, 270. air channel traffic organising plates, 3. cooling room, 30. the 3rd bodies of heater, 31. the 3rd flues, 32. the 3rd guide rails, 33. the 3rd discharge ends, 34. the 3rd fire doors, 35. the 3rd air channels, 36. gas blower admission ports, 4. pyrolysis gas recycles unit, 41. burners, 410. first burners, 42. combustion chambers, 420. second burners, 43. exhaust emission tubes, 430. gear gas walls, 44. high-temperature flue gas ingress pipes, 440. space, 45. blast inlets, 46. inlet ends, 47. exit end, 48. air outlets, 5. charging basket, 6. draw material machine.
Embodiment:
The following stated is only preferred embodiment of the present invention, not limits scope of the present invention.
Embodiment one
Fig. 1 is the process flow sheet of embodiment one meat corpse continous way pyrolysis charring method; As shown in Figure 1, a kind of meat corpse continous way pyrolysis charring method, comprises preheating, pyrolysis charring, cooling and pyrolysis gas recycling part, it is characterized in that:
(a) regenerator section: be l charging basket 5 by the length being mounted with meat corpse in the preheating chamber 1 of oxygen barrier, normal pressure and 100 ~ 300 DEG C, carry out jacketed type pre-treatment, ensure that in preheating chamber 1 be oxygen barrier state;
(b) pyrolysis charring part: after pre-treatment, it is in L coking chamber 2 that charging basket 5 pushes working length continuously, coking chamber 2 is kept to be in sealing and oxygen barrier state, thermal source carries out jacketed type heating to coking chamber 2, make meat corpse carry out pyrolysis charring under oxygen debt and 300 ~ 750 DEG C of conditions, the pyrolysis charring time of charging basket 5 in coking chamber 2 is t;
(c) cooling segment: after time t, anaerobic state is in by cooling room 3, and coking chamber 2 is communicated with cooling room 3 with preheating chamber 1, promote the charging basket 5 be placed in preheating chamber 1, charging basket 5 entirety in coking chamber 2 moves forward distance l, cools until charging basket 5 foremost enters in cooling room 3; This charging basket 5 enters in cooling room 3 and carries out jacketed type cooling, collects solid product after cooling; New charging basket 5 enters in coking chamber 2 and carries out charing process, ensures that coking chamber 2 separates with pretreatment chamber 1 and cooling room 3 afterwards; Then, again in preheating chamber 1, push the new charging basket 5 being mounted with meat corpse, this charging basket 1 enters preheating; Through pretreatment chamber 1, pyrolysis charring room 2 and cooling room 3 after charging basket 5 is first, realize processing continuously.
D () pyrolysis gas recycles part: introduced in combustion chamber 42 by the pyrolysis gas produced in pyrolysis charring process and burn, the first high-temperature flue gas obtained after burning supports pyrolysis charring by the mode heat supply of jacket for heat exchange, realizes the heat energy recycle of pyrolysis gas.
Also comprising pre-treatment oxygen scavenging moiety and cooling oxygen scavenging moiety, making pretreatment chamber 1 keep anaerobic state by passing into nitrogen in pretreatment chamber 1 and cooling room 3.
Described pyrolysis charring room 2 is divided into the first temperature section, the second temperature section and the 3rd temperature section by its length direction; The temperature of the first temperature section is 550-750 degree Celsius, and the temperature of the first temperature section is 500-600 degree Celsius, and the temperature of the first temperature section is 300-500 degree Celsius; Charging basket 5 successively heats through the first temperature section, the second temperature section and the 3rd temperature section, concurrent raw pyrolysis charring, first through the first temperature section in carbonization process, its temperature is higher, after pretreatment, its water ratio is lower, and it can have freezing state to convert non-frozen state to, and the pyrolysis charring of fast speed can occur in the first temperature section; Pyrolysis charring directly may penetrate into inside, and pyrolysis charring speed is fast, along with charging basket movement its can move to the second temperature section generation pyrolysis charring by the first temperature section after move to the 3rd temperature section again; The process of experience three kinds of differing temps sections, meat corpse can complete comparatively thorough thermal treatment, and the heat utilization rate of temperature is high; Different temperature heats is supplied in different steps, can reasonable low distribute energy.
The described preheating waste gas extraction produced in part and cooling segment of thawing enters in combustion chamber 42 and carries out burn processing.
42 point first, described combustion chamber burning zone and the second burning zone, gas carries out burn processing through the first fire end and the second burning zone first.
Described the second high-temperature flue gas after pyrolysis charring heat exchange supports thermal pretreatment by the mode heat supply of jacket for heat exchange.
Thermal source in described pyrolysis charring part derive from pyrolysis gas, biomass fuel or other there is the burning of the waste material of calorific value.
Solid product after described pyrolysis charring is cooled by air-cooled temperature-reduction.
Embodiment two
Fig. 2 is the one-piece construction schematic diagram of embodiment two meat corpse continous way pyrolysis charring device; As shown in Figure 2, a kind of meat corpse continous way pyrolysis charring device, comprise preheating chamber 1, coking chamber 2, cooling room 3, pyrolysis gas recycling unit 4 and charging basket 5, this charging basket 5 is for settling meat corpse, and described preheating chamber 1 and cooling room 3 are placed in the two ends of coking chamber 2 and communicate with coking chamber 2 respectively;
Described preheating chamber 1 comprises the first body of heater 10, first flue 11 and the first guide rail 12, and the first feed end 13 of preheating chamber 1 is provided with liftable first fire door 14, seals; The first air channel 15 is formed between the inwall of the first flue 11 outer wall and the first body of heater 10; Also comprise the first pushing device 16, this pushing device 16 is for being pushed into the inside of the first flue 11 by the outside of the first flue 11 by charging basket 5;
Described coking chamber 2 comprises the second body of heater 20, second flue 21 and the second guide rail 22, second feed end 23 of the second body of heater 20 and the second discharge end 24 are separately installed with liftable front fire door 25 and rear fire door 26, second guide rail 22 is arranged on the bottom of the second flue 21, forms the second air channel 27 between the second body of heater 20 inwall and the second flue 21 outer wall;
Described cooling room 3 comprises the 3rd body of heater 30, the 3rd flue 31 and the 3rd guide rail 32, and the 3rd discharge end 33 of cooling room 3 is provided with liftable 3rd fire door 34, seals; The 3rd air channel 35 is formed between the inwall of the 3rd flue 31 outer wall and the 3rd body of heater 30;
Described charging basket 5 is entered by the first feed end 13, along the first guide rail 12, second guide rail 22 and the 3rd guide rail 32 through the first flue 11, second flue 21 and the 3rd flue 31, and releases through the 3rd discharge end 33 of the 3rd flue 31.
With preheating chamber 1, liftable fire door on coking chamber 2 and cooling room 3, effective control coking chamber 2 built with charing solid product charging basket 5 according to certain time interval at the first guide rail 12, under second guide rail 22 and the 3rd guide rail 32 conveying effect, sequentially one by one move to cooling room 3 while, the charging basket 5 being filled with chilled meat corpse is by the cooperation of the first pushing device 16 and the first guide rail 12, in order, pyrolysis charring is carried out in pushing in coking chamber 2 one by one, often advance a charging basket 5, in coking chamber, all charging baskets 5 push ahead the length of a charging basket together, the charging basket released by coking chamber 2 enters in cooling room 3 and cools, realize continuity and the order of pyrolysis processing, efficiency is high, saves labour turnover.
Fig. 3 is the vertical view of the embodiment of the present invention two meat corpse continous way pyrolysis charring device; As shown in Figure 3, the pyrolysis gas produced in the second flue 21 in the present invention is introduced in combustion chamber 42 by exhaust emission tube 43 and is burnt, and the high-temperature flue gas that combustion chamber 42 produces enters in the second air channel 27 as the pyrolysis charring process of meat corpse is heated through blast inlet 45.
In the present embodiment, the upper surface of described first guide rail 12, second guide rail 22 and the 3rd guide rail 32 is all positioned at same level height and is adjacently mutually connected between the two.
As shown in Figure 3, in the present embodiment, described blast inlet 45 is positioned at the side near the second feed end 23, and described air outlet 48 is positioned at the side near the second discharge end 24.Blast inlet 45 is positioned at the side near the second feed end 23, and air outlet is positioned at the side near the second discharge end 24, and with the second body of heater 20 outer wall heat exchange after high-temperature flue gas is first entered by blast inlet 45, the high-temperature flue gas after heat exchange is discharged through air outlet 48; The path of high-temperature flue gas can make the temperature of the outer wall of the second body of heater 20 have corresponding difference, and the position temperature namely near blast inlet 45 is higher, and the position temperature near air outlet 48 is lower; Formation temperature transition before; The heating of the different steps of material is achieved in the process of temperature transition, in initial stage heat, slowly low-temperature heat afterwards, different heating temperatures can be carried out according to the carbonization time of the meat corpse in the second body of heater 20, make heating temperatures more even, heating efficiency is higher, saves the energy, raises the efficiency.
Fig. 6 is that the embodiment of the present invention two combustion chamber A-A is to part sectioned view; As shown in Figure 6, in the present embodiment, described combustion chamber 42 level is relatively set with the first burner 410 and the second burner 420, this first burner 410 is arranged on the position of the exit end 47 near exhaust emission tube 44, and this second burner 420 is arranged on the position near being positioned at blast inlet 45.Combustion chamber 42 is divided into two stage combustion, and the pyrolysis gas of being derived by the second body of heater 20 is through the burning of twice combustion device, and burning is more abundant, reduces follow-up fume treatment pressure.Wherein, gear gas wall is crisscross arranged up and down in combustion chamber 42, effectively extends the residence time of pyrolysis gas in combustion chamber 42, increases itself and the duration of contact of burner bocca, pyrolysis gas is fully burned, raising heat energy recycle rate.
In the present embodiment, the burner in the present invention is natural gas burner, biomass particle burner, oil fuel burner, coal burner.
In the present embodiment, a gear gas wall 430 is provided with in described combustion chamber 42, combustion chamber 42 is divided into two spaces by this gear gas wall 430, and the height of this gear gas wall 430 is lower than the height of combustion chamber 42, and gas is circulated by the space 440 between gear gas wall 430 and the inwall of combustion chamber 42.
In the present embodiment, also comprise and draw material machine 6, this draws material machine 6 to coordinate with the 3rd guide rail 32 and is slidably connected, and is drawn out to outside the 3rd flue 31 by charging basket 5 by the 3rd flue 31.By drawing material machine 6, by charging basket 5 fast from pull-out in the 3rd body of heater 30, the ability of automatization can be improved.
Fig. 5 is the air flow direction schematic diagram that the embodiment of the present invention two air channel traffic organising plate 270 controls;
As shown in Figures 1 and 5, in the present embodiment, in described second air channel 27, staggering vertical is provided with some air channels traffic organising plate 270, and the air channel traffic organising plate 270 between adjacent is crisscross arranged; Gas in described second air channel 27 is along air channel traffic organising plate current dynamic 270.
As shown in Figure 5, air channel traffic organising plate 270 has guide functions, and multiple air channels traffic organising plate 270 is crisscross arranged up and down along high-temperature flue gas flow direction, flue is divided into different regions and flows in regional; On the one hand high-temperature flue gas is flowed at the second flue 21 outside surface along spirality path, effectively ensure that high-temperature flue gas flows to the other end from one end of the second flue 21, improve being heated evenly property and the pyrolysis efficiency of coking chamber 2, pyrolysis is effective; Extend the residence time of high-temperature flue gas on the other hand, improve heat utilization efficiency.
In the present embodiment, the other end 440 of described high-temperature flue gas ingress pipe 44 passes in the first air channel 15.High-temperature flue gas after the second air channel 27 heat exchange is introduced in preheating chamber 1 through high-temperature flue gas ingress pipe 44, for the process of thawing of meat corpse provides heat, realizes pyrolysis gas resource recycling.
In the present embodiment, the top of described preheating chamber 1 and cooling room 3 is equipped with nitrogen and passes into mouth, and this nitrogen passes into mouth and is communicated to the first air channel 15 and the second air channel 27.
In the present embodiment, in the 3rd air channel 35 of described cooling room 3, be also provided with gas blower admission port 36, for the form by air blast, the 3rd body of heater 30 lowered the temperature.
It is worth mentioning that, coking chamber 2 is also provided with temperature-control device, for accurately controlling the carbonization time of meat corpse.
The operating process of the present embodiment is:
Open the rear fire door 26 of coking chamber 2 according to certain time interval in coking chamber 2, by be equipped with charing solid product charging basket 5 sequentially one by one push to cooling room 3, fire door 26 after closing, meanwhile, open the front fire door 25 of coking chamber 2, first pushing device 16 by the charging basket 5 in preheating chamber 1 sequentially one by one push in the second flue 21, fire door 25 before closing, meanwhile, open the first fire door 14, by special forklift or suspender, the charging basket 5 filling meat corpse or chilled meat corpse is delivered on the feeding platform of the first pushing device 16, and by pushing device 16 before first, charging basket 5 is pushed in preheating chamber 1 one by one, close the first fire door 14, circulate and so forth, the Automatic continuous of the orderly turnover and pyrolysis processing that realize charging basket 5 carries out.
Above-mentioned, often advance a charging basket, under the pushing effect of charging basket 5, just all charging baskets of previous residual are pushed ahead together the length of a charging basket, first pushing device 16 pushes timed interval of filling the charging basket of meat corpse or chilled meat corpse and draws material machine 6 equal by being equipped with the timed interval that the charging basket that carbonizes solid product pulls out in cooling room 3, i.e. the timed interval of adjacent charging basket movement is t
1, the second flue 21 length is L, and charging basket length is l, and every basket of meat corpse pyrolysis charring time in the second body of heater 20 is t=L/l × t
1; Wherein, the timed interval of adjacent charging basket movement is t
1the volume being loaded meat corpse by charging basket determines, and then regulation time interval t
1, determine the pyrolysis charring time of meat corpse, to make charging basket from entering coking chamber 2 heating, until just complete pyrolysis charring when pushing to cooling room 3.
Described pyrolysis gas recycle unit 4 comprise be configured with burner 41 combustion chamber 42, exhaust emission tube 43 and high-temperature flue gas ingress pipe 44; Combustion chamber 42 is arranged on the side of the second body of heater 22, and it is communicated with the second air channel 27 by blast inlet 45, and the inlet end 46 of exhaust emission tube 43 is communicated with the second flue 21, and its exit end 47 stretches in combustion chamber 42; One end 47 of high-temperature flue gas ingress pipe 44 is communicated with the second air channel 27 by air outlet 48, for being discharged by the gas in the second air channel 27.
The preheating temperature of meat corpse is generally at 100 ~ 300 DEG C, input in preheating chamber 1 for avoiding high-temperature flue gas too much in the second air channel 27 through high-temperature flue gas ingress pipe 44, make that the temperature in preheating chamber 1 is too high affects pre-heat effect, the other end 46 of high-temperature flue gas ingress pipe 44 is passed in the first air channel 15.High-temperature flue gas after the second air channel 27 heat exchange is introduced in preheating chamber 1 through high-temperature flue gas ingress pipe 44, for the process of thawing of meat corpse provides heat, realizes pyrolysis gas resource recycling.
In addition, the gas produced in preheating chamber 1 and cooling room 3 can discharge through outlet port and after purification qualified discharge, be certainly also introduced in combustion chamber 42 by corresponding pipeline and recycle.
In described first air channel 27, air channel 15, second, the 3rd air channel 35, first flue 11, in the second flue 12 and be equipped with temperature sensor, pressure transmitter in the 3rd flue 31, in addition, described first flue 11 is interior, the second flue 21 is interior and be also provided with oxygen level testing sensor in the 3rd flue 31; Described temperature sensor, pressure transmitter and oxygen level testing sensor are all connected with a PLC control unit signal, are controlled the large and small fire of each district burner respectively to control heating state by described PLC control unit; To realize the Automated condtrol of temperature, pressure and oxygen level.
Embodiment three
Fig. 4 is the vertical view of the embodiment of the present invention three meat corpse continous way pyrolysis charring device; Fig. 7 is that the embodiment of the present invention three combustion chamber A-A is to part sectioned view.As shown in Figure 4, in the present embodiment, preheating chamber 1 and cooling room 3 can hold two charging baskets, and the quantity that both can hold charging basket is identical.As shown in Figure 7, in the present embodiment, be provided with three gear gas walls 430 in described combustion chamber 42, combustion chamber 42 is divided into four spaces by this gear gas wall 430, the height of this gear gas wall 430 is lower than the height of combustion chamber 42, and gas is circulated by the space 440 between gear gas wall 430 and the inwall of combustion chamber 42.Other structures of the present embodiment are substantially identical with embodiment two with annexation, need not repeat at this.
Claims (10)
1. a meat corpse continous way pyrolysis charring device, comprise preheating chamber (1), coking chamber (2), cooling room (3), pyrolysis gas recycling unit (4) and charging basket (5), this charging basket (5), for settling meat corpse, is characterized in that: described preheating chamber (1) and cooling room (3) are placed in the two ends of coking chamber (2) and communicate with coking chamber (2) respectively;
Described preheating chamber (1) comprises the first body of heater (10), the first flue (11) and the first guide rail (12), first feed end (13) of preheating chamber (1) is provided with liftable first fire door (14), seals; The first air channel (15) is formed between the inwall of the first flue (11) outer wall and the first body of heater (11); Also comprise the first pushing device (16), this pushing device (16) is for being pushed into the inside of the first flue (11) by the outside of the first flue (11) by charging basket (5);
Described coking chamber (2) comprises the second body of heater (20), the second flue (21) and the second guide rail (22), second feed end (23) of the second body of heater (20) and the second discharge end (24) are separately installed with liftable front fire door (25) and rear fire door (26), second guide rail (22) is arranged on the bottom of the second flue (21), forms the second air channel (27) between the second body of heater (20) inwall and the second flue (21) outer wall;
Described cooling room (3) comprises the 3rd body of heater (30), the 3rd flue (31) and the 3rd guide rail (32), 3rd discharge end (33) of cooling room (3) is provided with liftable 3rd fire door (34), seals; The 3rd air channel (35) is formed between the inwall of the 3rd flue (31) outer wall and the 3rd body of heater (30);
Described pyrolysis gas recycle unit (4) comprise be configured with burner (41) combustion chamber (42), exhaust emission tube (43) and high-temperature flue gas ingress pipe (44); Combustion chamber (42) is arranged on the side of the second body of heater (20), it is communicated with the second air channel (27) by blast inlet (45), the inlet end (46) of exhaust emission tube (43) is communicated with the second flue (21), and its exit end (47) stretches in combustion chamber (42); One end of high-temperature flue gas ingress pipe (44) is communicated with the second air channel (27) by air outlet (48), for being discharged by the gas in the second air channel (27);
Described charging basket (5) is entered by the first feed end (13), along the first guide rail (12), the second guide rail (22) and the 3rd guide rail (32) through the first flue (11), the second flue (21) and the 3rd flue (31), and release through the 3rd discharge end (33) of the 3rd flue (31).
2. a kind of meat corpse continous way pyrolysis charring device as claimed in claim 1, is characterized in that: the upper surface of described first guide rail (12), the second guide rail (22) and the 3rd guide rail (32) is all positioned at same level height and is adjacently mutually connected between the two.
3. a kind of meat corpse continous way pyrolysis charring device as claimed in claim 1, it is characterized in that: described blast inlet (45) is positioned at the side near the second feed end (23), described air outlet (47) is positioned at the side near the second discharge end (24).
4. a kind of meat corpse continous way pyrolysis charring device as claimed in claim 1, it is characterized in that: described combustion chamber (42) level is relatively set with the first burner (410) and the second burner (420), this first burner (410) is arranged on the position of the exit end near exhaust emission tube (43), and this second burner (420) is arranged on the position near being positioned at blast inlet (45).
5. a kind of meat corpse continous way pyrolysis charring device as claimed in claim 3, it is characterized in that: in described combustion chamber (42), be provided with at least one gear gas wall (430), combustion chamber is divided at least two spaces by this gear gas wall (430), the height of this gear gas wall (430) is lower than the height of combustion chamber (42), and gas is circulated by the space (440) between gear gas wall (430) and the inwall of combustion chamber (42).
6. a kind of meat corpse continous way pyrolysis charring device as described in as arbitrary in Claims 1-4, it is characterized in that: also comprise and draw material machine (6), this draws material machine (6) to coordinate with the 3rd guide rail (32) and is slidably connected, and charging basket (5) is drawn out to the 3rd flue (31) outward by the 3rd flue (31).
7. a kind of meat corpse continous way pyrolysis charring device as described in as arbitrary in Claims 1-4, it is characterized in that: the interior staggering vertical of described second air channel (27) is provided with some air channels traffic organising plate (270), air channel traffic organising plate (270) between adjacent is crisscross arranged; Gas in described second air channel (27) flows along air channel traffic organising plate (270).
8. a kind of meat corpse continous way pyrolysis charring device as described in as arbitrary in Claims 1-4, is characterized in that: the other end (440) of described high-temperature flue gas ingress pipe (44) passes in the first air channel (15).
9. a kind of meat corpse continous way pyrolysis charring device as described in as arbitrary in Claims 1-4, it is characterized in that: the top of described first flue (11), the second flue (21) and the 3rd flue (31) is equipped with nitrogen and passes into mouth (3), and this nitrogen passes into mouth (3) and is communicated to the first air channel (15), the second air channel (27) and the 3rd air channel (35).
10. a kind of meat corpse continous way pyrolysis charring device as described in as arbitrary in Claims 1-4, it is characterized in that: in the 3rd air channel (35) of described cooling room (3), be also provided with gas blower admission port (36), for the form by air blast, the 3rd flue (31) is lowered the temperature.
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| CN105154112B CN105154112B (en) | 2017-12-01 |
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| CN114621773A (en) * | 2020-12-10 | 2022-06-14 | 贵州省烟草公司毕节市公司 | Yield-increasing and emission-reducing carbonization furnace |
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|---|---|
| CN105154112B (en) | 2017-12-01 |
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