CN215250328U - Vertical internal circulation sequencing batch pyrolysis equipment - Google Patents

Vertical internal circulation sequencing batch pyrolysis equipment Download PDF

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CN215250328U
CN215250328U CN202120454860.8U CN202120454860U CN215250328U CN 215250328 U CN215250328 U CN 215250328U CN 202120454860 U CN202120454860 U CN 202120454860U CN 215250328 U CN215250328 U CN 215250328U
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crawler
transmission
swinging
sludge
carbonization
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利锋
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Boshen Environmental Protection Technology Guangzhou Co ltd
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Boshen Environmental Protection Technology Guangzhou Co ltd
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Abstract

The utility model discloses a vertical inner loop sequencing batch pyrolysis equipment. More than one swinging crawler belt is arranged in the device, a vertical arrangement mode is adopted between each swinging crawler belt, a heating device is arranged on the outer wall surface of the equipment, and heating ports of the heating device are positioned on two sides of each swinging crawler belt; the swinging crawler belt has the functions of swinging and rolling the sludge on the plate surface; the heating device enables the temperature in the equipment to have gradient transformation, and hot air flow in the equipment performs internal circulation flow. The utility model discloses have functions such as mud and living beings carbonization jointly, the even carbonization of mud oscillation, carbonization temperature control, waste heat retrieval and utilization simultaneously. The utility model is arranged outside the furnace, and is convenient to maintain; the inner wall of the furnace body is specially treated and has the corrosion resistance, so the utility model can be used for carbonizing and burning the corrosive sludge such as industrial sludge, food sludge and the like.

Description

Vertical internal circulation sequencing batch pyrolysis equipment
Technical Field
The utility model relates to a mud and biomass processing technology field, concretely relates to vertical inner loop sequencing batch pyrolysis equipment and be used for sludge treatment's method.
Background
A large amount of waste sludge is generated in the treatment process of sewage and wastewater, the waste sludge contains a large amount of organic matters, heavy metals, phosphorus, germs, insect eggs and other substances, and if the waste sludge is not properly treated, the waste sludge further pollutes and destroys the environment.
The traditional sludge treatment and disposal methods comprise ocean dumping, yard landfill, sludge incineration and the like. However, the treatment and disposal of the sludge by using the methods have the problems of secondary pollution: the harmful substances contained in the sludge are released again by ocean dumping and yard landfill; the landfill area of the storage yard is large; sludge incineration generates a large amount of toxic and harmful gases, and the cost of sludge is greatly increased due to the requirement of a large amount of heat sources.
The preparation of the biochar by sludge carbonization is considered to be an excellent sludge treatment method, the carbonization of the sludge can effectively crack organic matters, solidify heavy metals and nutrient salts, kill germs, worm eggs and the like, and the biochar formed after carbonization does not cause secondary pollution in the using process. The invention patent CN1123181129A discloses a method for preparing biochar from sludge of a municipal sewage plant, wherein the biochar generated by the sludge pyrolysis in an anaerobic state can be used for composting, soil remediation and the like. And proper addition of biomass can reduce the viscosity of the sludge, improve the content of organic matters of biological carbon in the sludge and effectively reduce odor generated in the sludge carbonization process. The invention patents CN1112311532A, CN128119810510A, CN128111282A, CN1231138002A and the like all describe methods for preparing biological carbon by carbonizing biomass, the invention patent CN1111009885A discloses a device for drying and dry distilling sludge and garden waste, but at present, a device and a method for preparing composite biological carbon by mixing and burning biomass with sludge are still lacked, and the feasibility of the actual operation process of mixing and burning biomass with sludge is not provided; the utility model CN212911219U, CN2122109221U and invention patent CN111904339A all disclose drum-type (rotary kiln) sludge carbonizing devices, but the drum-type carbonizing furnace has the problems of long-term operation stability and odor and waste gas leakage.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a vertical inner loop preface batch pyrolysis equipment, the device can carbonize abandonment mud and abandonment living beings, and can long-term high temperature steady operation to consider and to utilize or handle odor and tail gas. The utility model discloses realize the carbonization in coordination of abandonment mud and abandonment living beings, the carbonization temperature is 300 ~600 ℃, and the carbonization time is 1~2 h, in the simultaneous processing two kinds of discarded objects, the biochar that produces after the processing can also carry out resource utilization, and the carbonization can also effectively improve the performance of biochar in the living beings are doped into mud. The utility model discloses in mixing abandonment living beings into mud, can effectively reduce the stickness of mud, be favorable to going on of the follow-up carbonization process of mud. The utility model discloses in doping discarded living beings into mud, can effectively improve biological carbon productivity, increase biological carbon calorific value. The utility model abandons the arrangement of the rotary kiln, adopts the vertical furnace body and the swinging crawler belt to carry out the carbonization of the sludge, and can stably run and continuously produce for a long time without intermittence. The utility model discloses a vertical structure plays thermal inner loop effect, makes the utility model discloses the thermal efficiency is high to make investment and running cost reduce. The utility model discloses a vertical furnace body through the continuous conveying of swing track, realizes the process of continuous feeding, carbonization in succession, the continuous ejection of compact, guarantees the continuity of the long-term high temperature operation of equipment and the make full use of furnace chamber high temperature, and the swing oscillation of swing track makes mud thermally equivalent, reduces reaction time, and the multilayer track reacts step by step for the carbonization is more thorough. The utility model discloses a temperature sensor transmission carbonization furnace temperature to open and close number and combustion power through many combustors of central control system control, play the temperature control of vertical mud carbonization equipment furnace intracavity, can adjust and control the temperature from top to bottom as required, make full use of heat. The burner of the utility model is arranged outside the furnace, and is convenient to maintain. The utility model discloses a furnace body inner wall has corrosion resisting capability through special treatment, consequently can with the utility model is used for carbonization that industrial sludge, food sludge etc. have corrosivity mud. The utility model discloses a central control system automatic control business turn over material, equipment start-up operation, temperature etc.
In order to achieve the above object, the present invention provides the following technical solutions:
the vertical internal circulation sequencing batch pyrolysis equipment is characterized in that more than one swinging crawler belt is arranged in a furnace body of the vertical sludge carbonization equipment, the swinging crawler belts are arranged up and down, a heating device is arranged on the outer wall surface of the equipment, and heating ports of the heating device are positioned on two sides of the swinging crawler belts; the swinging crawler belt has the functions of swinging and rolling the sludge on the plate surface; the heating device enables the temperature in the equipment to have gradient transformation, and hot air flow in the equipment performs internal circulation flow.
Further, the heating device is a burner or a stainless steel electric heating tube, a ceramic electric heater, a graphene heater, or the like.
Further, one end of the swinging crawler is provided with a crawler transmission rod; one end of the swinging crawler is connected with the transmission driver through a crawler transmission rod; one side of the swinging crawler is provided with a crawler swinging rod; one side of the swinging crawler is connected with the swinging driver through a crawler swinging rod.
Further, a temperature sensor is arranged in the equipment box body.
Further, the equipment also comprises a track transmission rod, a transmission driver, a track swinging rod, a swinging driver, a temperature sensor, a central control system connecting wire and a central control system; the heating device is a burner.
Further, the swinging crawler belt is horizontally arranged in the vertical sludge carbonization equipment furnace body; the track transmission rod is arranged at one end of the swinging track; the other end of the track transmission rod is connected with a transmission driver; the swinging crawler is driven by a transmission driver and a crawler transmission rod to transmit; the crawler oscillating rod is arranged on one side of the oscillating crawler; the other end of the crawler swinging rod is connected with a transmission driver; the swinging crawler is driven to swing by a swinging driver and a crawler swinging rod; the burners are arranged on two sides of the furnace body of the vertical sludge carbonization equipment; the temperature sensors are arranged on two sides of the furnace body of the vertical sludge carbonization equipment.
Furthermore, the equipment comprises a central control system, wherein the central control system is respectively electrically connected with the swinging crawler, the conveying driver, the swinging driver, the temperature sensor and the heating device and is used for acquiring temperature data and controlling the opening and closing and the power of the conveying driver, the swinging crawler and the heating device; the central control system controls the opening and closing of the conveying driver and the running power, adjusts the conveying speed of the swinging crawler belt and adjusts the carbonization time of the sludge biomass mixture; the central control system controls the starting and closing and running power of the swinging driver and adjusts the swinging frequency of the swinging crawler; the central control system controls the opening and closing of the heating device and the combustion power, and adjusts the carbonization temperature and the temperature gradient in the furnace body of the vertical sludge carbonization equipment.
Further, the vertical sludge carbonization equipment furnace body comprises a feeding hole, a carbonization furnace cavity, a swinging crawler mounting hole, a crawler swinging rod mounting hole, a burner mounting hole, a temperature sensor mounting hole, a composite biochar collecting cavity, furnace body supporting legs, a discharging hole and a residual heat gas discharging hole.
Further, the feed inlet is arranged on the edge of the top of the furnace body of the vertical sludge carbonization equipment; the discharge port is arranged at the bottom of the furnace body of the vertical sludge carbonization equipment; the residual heat gas outlet is arranged at the edge of the top of the furnace body of the vertical sludge carbonization equipment, the residual heat gas outlet in use is hermetically connected with the residual heat gas discharge pipe, and the unused residual heat gas outlet is hermetically closed, so that the heat gas does not overflow.
Further, the swinging crawler belt mounting openings are arranged on two sides of the carbonization furnace chamber.
Furthermore, the installation openings of the crawler oscillating rods are arranged at one side of the cavity of the carbonization furnace close to the middle row;
furthermore, the burner mounting ports are arranged at the middle vertical part of the cavity of the carbonization furnace and are uniformly distributed; the burner mounting ports are arranged on two sides of the cavity of the carbonization furnace.
Furthermore, the temperature sensor mounting openings are formed in the middle vertical part of the cavity of the carbonization furnace and are uniformly distributed; the temperature sensor mounting ports are arranged on two sides of the cavity of the carbonization furnace.
Further, the composite biochar collecting cavity is arranged at the bottom of the carbonization furnace cavity and is an inverted step-shaped cavity, and the angle between the tetrahedral trapezoid and the horizontal plane is 30-45 degrees.
Furthermore, the supporting legs of the vertical sludge carbonization device are arranged at four corners of the bottom of the cavity of the carbonization furnace.
Further, the feeding port comprises a feeding bin, a feeding upper turning plate and a feeding lower gate plate; the top of the feeding bin is provided with a feeding upper turning plate, and the bottom of the feeding bin is provided with a feeding lower flashboard.
Further, the oscillating track comprises a track frame, a track transmission shaft and a track oscillating shaft; the crawler is mounted on the crawler frame; the crawler transmission shaft is arranged at one end of the crawler frame; the crawler oscillating shaft is arranged on one side of the middle of the crawler frame; the caterpillar tracks can be driven by a caterpillar track transmission shaft to convey, so that the sludge biomass mixture after pyrolysis enters the next layer of swinging caterpillar track; the crawler frame and the crawler can be driven by the crawler oscillating shaft to oscillate so as to oscillate and roll the sludge biomass mixture.
Further, the track transmission rod comprises a transmission connecting shaft and a transmission disc; the transmission connecting shaft is arranged on the crawler belt transmission rod, the transmission disc is eccentrically arranged on the transmission connecting shaft, and the center of the other side of the transmission disc is connected with the crawler belt transmission shaft; the crawler transmission rod is controlled by the transmission driver to transmit, drives the transmission connecting shaft and the transmission disc to eccentrically rotate, and further drives the crawler transmission shaft to rotate, so that the swinging crawler transmits the sludge biomass mixture.
Further, the transmission driver comprises a transmission main machine, a transmission belt, a transmission wheel and a transmission button; the transmission belt is arranged between the transmission main machine and the transmission wheel, and the transmission main machine can drive the transmission wheel to rotate through the transmission belt; the transmission button is arranged on the upper edge of the transmission wheel, and the crawler transmission rod is arranged on the transmission button; the transmission wheel drives the transmission button and the crawler transmission rod to move.
Furthermore, the crawler oscillating rod comprises an eccentric transmission disc and an eccentric transmission connector; the eccentric transmission disc is arranged on the swinging rod, the eccentric transmission connector is arranged on the eccentric transmission disc, and the other end of the eccentric transmission connector is connected with the crawler belt swinging shaft; the crawler oscillating rod is driven by an oscillating driver to rotate; the crawler oscillating rod drives the eccentric transmission disc to rotate by clockwise and anticlockwise back-and-forth rotating 270 degrees, so that the eccentric transmission connector and the crawler oscillating shaft are driven to move back and forth, and the oscillating crawler is driven to oscillate.
Furthermore, the eccentric transmission connector comprises a fixed connector, a connecting bearing and a central connecting shaft; the fixed connector and the connecting bearing are fixedly connected through a central connecting shaft; the outer ring of the connecting bearing can rotate.
Further, the swing driver comprises a transmission main shaft, a transmission belt and a transmission auxiliary shaft; the transmission belt is arranged between the transmission main shaft and the transmission auxiliary shaft, and the transmission main shaft can drive the transmission auxiliary shaft to rotate through the transmission belt; the crawler belt swinging rod is arranged on the transmission auxiliary shaft and is driven to rotate by the transmission auxiliary shaft.
Further, the discharge port comprises a discharge bin, a discharge upper flashboard and a discharge lower turning plate; the top of the discharging bin is provided with a discharging upper flashboard; and a discharging lower turning plate is arranged at the bottom of the discharging bin.
The feed inlet is a square with the side length of 20 cm-80 cm; the sludge biomass mixture enters the carbonization furnace from the feeding hole; the size of the feed inlet can be designed according to the feeding amount of the sludge biomass mixture to be carbonized.
The carbonization furnace cavity is a rectangular cavity and is a main space for performing carbonization on the sludge biomass mixture; the length of the cavity is 1.0-3.5 m, the width of the cavity is 1.0-3.5 m, the height of the cavity is 1.0-3.5 m, and the volume of the cavity is 1.000 m3~42.1095 m3(ii) a The treatment capacity of the sludge biomass mixture is 1.0 t/h-5.5 t/h.
The number of the swing crawler belt mounting openings is 4-16, the swing crawler belt mounting openings are arranged on two sides of a carbonization furnace cavity and are evenly distributed; the actual number of the holes of the swinging crawler belt mounting port is determined according to the actual design size of the cavity of the carbonization furnace, and the reserved swinging crawler belt mounting port can be opened or closed as required.
The mounting openings of the crawler belt oscillating rods are square with the side length of 50-150 cm, the number of the mounting openings of the crawler belt oscillating rods is 4-16, and the mounting openings are positioned in a row at the edge of one side of the cavity of the carbonization furnace; the actual number of the holes of the mounting port of the crawler oscillating rod is determined according to the actual design size of the cavity of the carbonization furnace, and the reserved mounting port of the crawler oscillating rod can be opened or closed as required.
The burner mounting ports are circular with the diameter of 50-150 cm, the number of the burner mounting ports is 4-16, and the burner mounting ports are positioned at the middle vertical part of the cavity of the carbonization furnace and are uniformly distributed; the burner mounting ports are arranged on two sides of the cavity of the carbonization furnace; the number of the actual holes of the burner mounting port is determined according to the actual design size of the carbide furnace cavity, and the reserved burner mounting port can be opened or closed as required.
The temperature sensor mounting openings are round with the diameter of 2-5 cm, the number of the temperature sensor mounting openings is 4-16, the temperature sensor mounting openings are positioned at the middle vertical part of the cavity of the carbonization furnace and are uniformly distributed; the temperature sensor mounting ports are arranged on two sides of the cavity of the carbonization furnace; the actual number of the holes of the temperature sensor mounting port is determined according to the actual design size of the carbonization furnace cavity, and the reserved temperature sensor mounting port can be opened or closed as required;
the composite biochar collecting cavity is arranged at the bottom of the carbonization furnace cavity and is an inverted step-shaped cavity body, and the angle between the tetrahedral trapezoid and the horizontal plane is 30-45 degrees; the composite biochar collecting cavity is used for collecting composite biochar particles falling after carbonization in the cavity of the carbonization furnace;
the supporting legs of the vertical sludge carbonization equipment are arranged at four corners of the bottom of the cavity of the carbonization furnace, the number of the supporting legs is 4 or 8, and the height of the supporting legs is 0.6-1.0 m;
the discharge port is a square with the side length of 15-40 cm; the discharge hole is used for discharging the composite biochar particles collected in the composite biochar collecting cavity;
the waste heat gas outlet is circular with the diameter of 10 cm-30 cm; the number of the residual heat gas outlets is 2-4, and the reserved residual heat gas outlets can be opened or closed as required; the residual heat gas outlet is used for guiding residual heat generated in the carbonization process in the furnace body of the vertical sludge carbonization equipment and odor and waste gas into a waste gas residual heat treatment system or a drying system for residual heat utilization;
the whole material of the furnace body of the vertical sludge carbonization equipment is stainless steel 316.
Further, the feeding port comprises a feeding bin, a feeding upper turning plate and a feeding lower gate plate; the feeding bin is in a cuboid shape, the upper surface and the lower surface of the feeding bin are squares with side lengths of 20 cm-80 cm, and the height of the feeding bin is 20 cm-50 cm; the feeding upper turning plate and the feeding lower gate plate are both square with the side length of 20-80 cm, and the specific size is determined according to the size of the upper surface and the lower surface of the feeding bin; when the feeding hole is used for feeding, the feeding upper turnover plate is opened, the feeding lower gate plate is closed, and the sludge biomass mixture is temporarily stored in the feeding bin; after the feeding is finished, the feeding upper turnover plate is closed, the feeding lower gate plate is opened, and the sludge biomass mixture enters the cavity of the carbonization furnace for carbonization; the utility model can greatly reduce the overflow of odor, waste gas and waste heat in the cavity of the carbonization furnace;
further, the oscillating track comprises a track frame, a track transmission shaft and a track oscillating shaft; the crawler frame is rectangular, the length of the crawler frame is 0.8-3.2 m, the width of the crawler frame is 1.0-3.5 m, the selection of the length and the width corresponds to the selection of the actual length and the width of a cavity of the carbonization furnace, the 20 cm space is reserved at the tail end of the swinging crawler, and a sludge biomass mixture on the swinging crawler can fall into the next layer; the crawler belt is arranged in the crawler belt frame, and the number of the crawler belt is 1-4; the crawler transmission shaft is arranged at one end of the crawler frame; the crawler oscillating shaft is arranged in the middle of one side of the crawler frame; the crawler frame and the crawler can be driven by the crawler oscillating shaft to vibrate to perform oscillating rolling on the sludge biomass mixture; the track can be driven by the track transmission shaft to convey, so that the pyrolyzed sludge biomass mixture enters the next layer of swinging track. The whole material of the swinging crawler belt is stainless steel 316.
The crawler transmission rod comprises a transmission connecting shaft and a transmission disc; the crawler transmission rod, the transmission connecting shaft and the transmission disc are connected with the crawler transmission shaft to drive the crawler transmission shaft to rotate. The whole material of the track transmission rod is stainless steel 316.
Further, the transmission driver comprises a transmission main machine, a transmission belt, a transmission wheel and a transmission button; the transmission main machine, the transmission belt, the transmission wheel and the transmission button drive the track transmission rod to move.
The crawler oscillating rod comprises an eccentric transmission disc and an eccentric transmission connector; the crawler oscillating rod drives the eccentric transmission disc to rotate by clockwise and anticlockwise back-and-forth rotating 270 degrees, so that the eccentric transmission connector and the crawler oscillating shaft are driven to move back and forth, and the oscillating crawler is driven to oscillate.
Furthermore, the eccentric transmission connector comprises a fixed connector, a connecting bearing and a central connecting shaft; the fixed connector and the connecting bearing are fixedly connected through a central connecting shaft; the outer ring of the connecting bearing can rotate.
Further, the swing driver comprises a transmission main shaft, a transmission belt and a transmission auxiliary shaft; the transmission main shaft, the transmission belt and the transmission auxiliary shaft drive the crawler oscillating rod to rotate.
Further, the discharge port comprises a discharge bin, a discharge upper flashboard and a discharge lower turning plate; the discharging bin is in a cuboid shape, the upper surface and the lower surface of the discharging bin are squares with the side length of 15 cm-40 cm, and the height of the discharging bin is 12 cm-40 cm; the discharging upper flashboard is two rectangular plates, the length of each rectangular plate is 15 cm-40 cm, and the width of each rectangular plate is 9.5 cm-20 cm; the discharging lower turning plate is square with the side length of 15-40 cm, and the specific sizes of the discharging upper flashboard and the discharging lower turning plate are determined according to the sizes of the upper surface and the lower surface of the discharging bin; when the discharge port discharges materials, the discharging upper turnover plate is opened, the discharging lower turnover plate is closed, and the carbonized composite biochar is temporarily stored in the discharging bin; after the discharging is finished, the discharging upper flashboard is closed, the discharging lower turnover board is opened, and the composite biochar is discharged out of the carbonization furnace cavity; the utility model can greatly reduce the overflow of odor, waste gas and waste heat in the cavity of the carbonization furnace.
A method for sludge treatment by using a vertical internal circulation sequencing batch pyrolysis device comprises the following steps:
(1) preheating a furnace body of vertical sludge carbonization equipment before carbonization, then opening and closing and adjusting power of a combustion machine by a central control system according to the temperature in the carbonization process, simultaneously heating each layer of combustion machine, monitoring the temperature of each layer by a temperature sensor in real time, controlling the temperature of the lowest layer as a target carbonization temperature, and gradually increasing by 10-50 ℃ from top to bottom layer by layer to form a temperature gradient in the furnace; the preheating specifically comprises the following steps: preheating for 20-80 min at 300-600 ℃;
(2) after the furnace body of the vertical sludge carbonization equipment reaches the temperature required by carbonization, the feeding upper turnover plate is opened, the feeding lower gate plate is closed, and the dried sludge biomass mixture enters the feeding bin for temporary storage; then closing the feeding upper turnover plate, opening the feeding lower turnover plate, and allowing the dried sludge biomass mixture to enter the cavity of the carbonization furnace from the feeding hole; at the moment, a proper amount of dried sludge biomass mixture is received by the swing crawler belt on the topmost layer; in the sludge biomass mixture, the biomass accounts for 1-2% of the total weight of the mixture; the biomass comprises more than one of leaves, tea leaves, sawdust, bagasse or water hyacinth; the topmost layer of sludge is pyrolyzed at the lowest temperature and falls into the next layer, the next layer at higher temperature enables the sludge to be heated continuously, and at the moment, organic matters in the sludge are cracked to generate a part of heat to compensate the temperature of the next layer;
(3) the transmission driver drives the transmission connecting shaft and the transmission disc to enable the swinging crawler belt to start transmission; the swinging driver drives the crawler swinging rod, the eccentric transmission disc and the eccentric transmission connector to enable the swinging crawler to start to swing back and forth, and the sludge biomass mixture on the swinging crawler oscillates and is uniformly heated and carbonized;
(4) the conveying time of the topmost layer of the swinging crawler is controlled to be 5-12 min, the sludge biomass mixture on the swinging crawler is heated for 5-12 min and gradually falls down, and the sludge biomass mixture is received by the second layer of the swinging crawler to carry out oscillation carbonization on the second layer of the swinging crawler; then, opening a feeding upper turning plate, closing a feeding lower turning plate, and allowing the dried sludge biomass mixture to enter a feeding bin for temporary storage; then the feeding upper turnover plate is closed, the feeding lower turnover plate is opened, the dried sludge biomass mixture enters the cavity of the carbonization furnace from the feeding hole, and the dried sludge biomass mixture is received by the swing crawler belt at the topmost layer;
(5) in the feeding process, the swinging crawler is driven by a swinging driver, a crawler swinging rod, an eccentric transmission disc and an eccentric transmission connector to continuously oscillate;
(6) during the heating period of 5-20 min, the sludge biomass mixture on the topmost layer and the second layer of swing track gradually falls into the third layer of swing track, and the sludge biomass mixture on the topmost layer of swing track gradually falls into the second layer of swing track; then, opening a feeding upper turning plate, closing a feeding lower turning plate, and allowing the dried sludge biomass mixture to enter a feeding bin for temporary storage; then the feeding upper turnover plate is closed, the feeding lower turnover plate is opened, the dried sludge biomass mixture enters the cavity of the carbonization furnace from the feeding hole, and the dried sludge biomass mixture is received by the swing crawler belt at the topmost layer; and so on until all the swinging crawler belts receive a proper amount of dry sludge biomass mixture; the feeding of the feeding hole and the overturning oscillation of the swinging crawler are automatically controlled by a central control system;
(7) after 4-18 layers of swing tracks, the lowest layer swing track sends the carbonized composite biochar into a composite biochar collecting cavity; the total carbonization time of the sludge biomass mixture is controlled to be 1-2 h;
(8) opening the discharging upper gate plate, and allowing the carbonized composite biochar to enter a discharging bin for temporary storage; the flashboard is closed on the ejection of compact, turns over the board under the ejection of compact and opens, and the compound biological carbon of storing temporarily in the play feed bin discharges the carbide furnace cavity and carries out further utilization.
The utility model discloses have functions such as mud and living beings carbonization jointly simultaneously, mud oscillation carbonization evenly, carbonization temperature control, waste heat retrieval and utilization, vertical structure plays thermal internal circulation effect, heating device makes the temperature have the gradient transform in the equipment, the hot air current of equipment carries out the internal circulation and flows, topmost layer mud falls into the next floor after the pyrolysis of highest temperature, the next floor of lower temperature makes mud continuously be heated, organic matter schizolysis in the mud produces some heat, compensate this floor temperature, make the utility model discloses the thermal efficiency is high, thereby make investment and running cost reduce; the utility model is a vertical furnace body, through the swing and the conveying of swing track, realize the process of continuous feeding, continuous carbonization, continuous ejection of compact, guarantee the continuity of the long-term high temperature operation of equipment and the make full use of furnace chamber high temperature, the swing of swing track makes mud thermally equivalent, reduces reaction time, and multilayer swing track reacts step by step, makes the carbonization more thorough; the utility model transfers the temperature of the carbonization furnace through the temperature sensor, controls the on-off number and the combustion power of a plurality of burners through the central control system, plays the role of temperature control in the furnace cavity of the vertical sludge carbonization device, can adjust and monitor the temperature up and down as required, and fully utilizes the heat; the burner is arranged outside the furnace, so that the maintenance is convenient; the inner wall of the furnace body is specially treated and has the corrosion resistance, so the utility model can be used for carbonizing and burning the corrosive sludge such as industrial sludge, food sludge and the like.
The utility model discloses a vertical sludge carbonization equipment, at a large amount of waste heat and foul smell waste gas that mud biomass mixture carbonization process produced, through the discharge of residual heat gas body discharge port, the residual heat gas body discharge port other end can insert and carry out waste heat utilization in other technologies (like mud biomass mixture drying process), also can insert the exhaust-gas treatment system in, carries out innocent treatment to foul smell waste gas.
The utility model relates to a vertical mud vibration carbonization equipment opens feed inlet, discharge gate, surplus hot gas discharge port and can also regard as burning furnace to use in the use, through sneaking into the air, is formed with the oxygen environment, burns solid waste such as mud.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in doping living beings (leaf, tea leaf sediment, saw-dust, bagasse, water hyacinth etc.) mud, can effectively reduce the stickness of mud, be favorable to going on of the follow-up carbonization process of mud to improve biological carbon productivity, increase biological carbon calorific value, still can reduce the foul smell that mud carbonization process produced.
2. The utility model discloses abandoned the setting of traditional rotary kiln, adopted vertical furnace body and swing track to carry out the carbonization of mud, the equipment that can very big degree solve the long-term high temperature operation of equipment and arouse warp, ageing and nest scheduling problem of lying prone too fast, vertical furnace body sets up can be under the high temperature condition long-term not intermittent type steady operation, continuous production.
3. The vertical structure of the utility model plays the role of internal circulation of heat, so that the utility model has high thermal efficiency, and the number of the burners, the oscillating track and the temperature sensors can be selected according to the size of the actually required equipment; each layer formation temperature gradient in many combustors can effective control furnace chamber, and topmost layer mud falls into the lower floor of higher temperature after the lower temperature pyrolysis, and the lower floor of higher temperature makes mud continuously be heated, and organic matter schizolysis in the mud produces partly heat this floor temperature this moment, compensates this floor temperature, and the swing of swing track makes mud thermally equivalent, and multilayer track reacts step by step for the carbonization is more thorough, has improved work efficiency when the energy saving.
4. The components such as the burner and the like of the utility model are arranged outside the furnace, so that the maintenance is convenient; and the inner wall of the furnace body is specially treated and has corrosion resistance, so the utility model can be used for carbonizing the sludge with corrosivity, such as industrial sludge, food sludge and the like.
5. The utility model discloses have waste heat utilization and foul smell waste gas discharge port, can carry out waste heat utilization or discharge to the exhaust treatment system with the exhaust of residual heat gas and foul smell waste gas and handle waste gas to drying system, the influence of the foul smell and the waste gas that very big degree reduced the production of mud carbonization process to the environment.
6. The utility model discloses a central control system automatic control business turn over material, automatic control equipment start-up operation, according to temperature sensor feedback carbide furnace real-time temperature, automatic control carbide furnace temperature, automatic discharge waste heat and foul smell waste gas etc..
Drawings
FIG. 1 is a schematic structural view of a vertical sludge oscillation carbonization apparatus.
FIG. 2 is a schematic structural diagram of a vertical sludge carbonizing apparatus furnace body of a vertical sludge oscillation carbonizing apparatus.
FIG. 3 is a schematic view of the structure of a feed inlet of a vertical sludge oscillation carbonization device.
Fig. 4 is a schematic structural diagram of a swinging crawler of a vertical sludge oscillation carbonization device.
Fig. 5 is a schematic structural diagram of a track transmission rod of a vertical sludge oscillation carbonization device.
Fig. 6 is a schematic structural view of a transfer driver of a vertical sludge oscillation carbonization apparatus.
Fig. 7 is a schematic structural diagram of a caterpillar oscillating rod of a vertical sludge oscillation carbonization device.
Fig. 8 is a schematic structural diagram of an eccentric transmission connector of a caterpillar oscillating rod of a vertical sludge oscillation carbonization device.
Fig. 9 is a schematic structural diagram of a swing driver of a vertical sludge oscillation carbonization device.
Fig. 10 is a schematic structural diagram of a discharge port of a vertical sludge oscillation carbonization device.
The various components in the figure are as follows:
the device comprises a feeding hole 1, a vertical sludge carbonization equipment furnace body 2, a swinging crawler 3, a crawler transmission rod 4, a conveying driver 5, a heating device 6, a crawler swinging rod 7, a swinging driver 8, a temperature sensor 9, a discharging hole 10, a residual hot gas discharging hole 11, a central control system connecting line 12, a central control system 13, a carbonization furnace cavity 201, a swinging crawler mounting hole 202, a crawler swinging rod mounting hole 203, a burner mounting hole 204, a temperature sensor mounting hole 205, a composite biochar collecting cavity 206, a furnace body supporting foot 207, a feeding bin 101, a feeding upper turning plate 102, a feeding lower gate plate 103, a crawler frame 301, a crawler 302, a crawler transmission shaft 303, a crawler swinging shaft 304, a connecting shaft 401, a transmission disc 402, a transmission host 501, a transmission belt 502, a transmission wheel 503, a transmission button 504, an eccentric transmission disc 701, an eccentric transmission connector 702, a fixed connector 703, a connecting bearing 704, a connecting bearings 704, a carbonization furnace body, a waste hot gas discharging hole 11, a waste gas discharging hole 11, a central control system connecting line 103, a feeding lower gate 103, a crawler frame 301, a connecting shaft, a crawler frame, a connecting shaft 302, a connecting shaft, a connecting shaft connecting shafts, a connecting shaft, a connecting shaft, a connecting device connecting shafts, a connecting device for connecting, The device comprises a central connecting shaft 705, a transmission main shaft 801, a transmission belt 802, a transmission auxiliary shaft 803, a discharging bin 1001, a discharging upper turning plate 1002 and a discharging lower turning plate 1003.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the present application, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "horizontal", "left", "right" and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. Detailed Description
The present invention will be described in further detail with reference to specific examples, but the embodiments of the present invention are not limited thereto, and may be carried out with reference to the conventional techniques for processing parameters not particularly noted.
The utility model discloses the device is as follows:
as shown in fig. 1 to 10, in a vertical internal circulation sequencing batch pyrolysis apparatus, more than one oscillating caterpillar 3 is arranged inside a furnace body 2 of a vertical sludge carbonization apparatus, a vertical arrangement mode is adopted between each oscillating caterpillar 3, a heating device 6 is arranged on the outer wall surface of the apparatus, and heating ports of the heating device 6 are positioned at two sides of the oscillating caterpillar 3; the swinging crawler 3 has the functions of swinging and rolling the sludge on the plate surface; the heating device enables the temperature in the equipment to have gradient transformation, and hot air flow in the equipment performs internal circulation flow. The heating device 6 is a burner, a stainless steel electric heating pipe, a ceramic electric heater, a graphene heater and the like. One end of the swinging crawler 3 is provided with a crawler transmission rod 4; one end of the swinging crawler 3 is connected with a transmission driver 5 through a crawler transmission rod 4; a crawler belt swinging rod 7 is arranged on one side of the swinging crawler belt 3; one side of the swinging crawler 3 is connected with a swinging driver 8 through a crawler swinging rod 7. A temperature sensor 9 is arranged in the equipment box body. The equipment also comprises a track transmission rod 4, a transmission driver 5, a track swinging rod 7, a swinging driver 8 and a temperature transmitterThe sensor 9, a central control system connecting wire 12 and a central control system 13; the heating device is a burner 6; the swinging crawler 3 is horizontally arranged in the furnace body 2 of the vertical sludge carbonization equipment; the track transmission rod 4 is arranged at one end of the swinging track 3; the other end of the track transmission rod 4 is connected with a transmission driver 5; the swinging crawler 3 is driven by a conveying driver 5 and a crawler transmission rod 4 to convey; the crawler belt swinging rod 7 is arranged on one side of the swinging crawler belt 3; the other end of the crawler belt swinging rod 7 is connected with a transmission driver 8; the swinging crawler 3 is driven by a swinging driver 8 and a crawler swinging rod 6 to swing; the burners 6 are arranged on two sides of the furnace body 2 of the vertical sludge carbonization equipment; the temperature sensors 9 are arranged on two sides of the furnace body 2 of the vertical sludge carbonization equipment. The equipment comprises a central control system 13, wherein the central control system 13 is respectively electrically connected with the swinging crawler 3, the conveying driver 5, the swinging driver 8, the temperature sensor 9 and the heating device and is used for acquiring temperature data and controlling the opening and closing and the power of the conveying driver 5, the swinging driver 8, the swinging crawler 3 and the heating device; the central control system 13 controls the opening and closing and the running power of the conveying driver 5, adjusts the conveying speed of the swinging crawler 3 and adjusts the carbonization time of the sludge biomass mixture; the central control system 13 controls the opening and closing and the running power of the swing driver 8 and adjusts the swing frequency of the swing crawler 3; the central control system 13 controls the on-off and combustion power of the heating device, and adjusts the carbonization temperature and temperature gradient in the furnace body 2 of the vertical sludge carbonization equipment. The vertical sludge carbonization equipment furnace body 2 comprises a feeding hole 1, a carbonization furnace cavity 201, a swinging crawler mounting hole 202, a crawler swinging rod mounting hole 203, a burner mounting hole 204, a temperature sensor mounting hole 205, a composite biochar collecting cavity 206, furnace body supporting legs 207, a discharging hole 10 and a residual heat gas discharging hole 11; the feed inlet 1 is arranged at the edge of the top of the furnace body 2 of the vertical sludge carbonization equipment; the discharge port 10 is arranged at the bottom of the furnace body 2 of the vertical sludge carbonization equipment; the residual heat gas outlet 11 is arranged at the edge of the top of the furnace body 2 of the vertical sludge carbonization equipment, the residual heat gas outlet 11 in use is hermetically connected with a residual heat gas discharge pipe, and the unused residual heat gas outlet 11 is hermetically closed, so that the heat gas does not overflow; the above-mentionedThe swinging crawler belt mounting ports 202 are arranged on two sides of the carbonization furnace chamber 201; the crawler oscillating rod mounting openings 203 are arranged at one side of the carbonization furnace cavity 201 close to the middle row; the burner mounting ports 204 are arranged at the middle vertical part of the carbonization furnace cavity 201 and are uniformly distributed; the burner mounting ports 204 are arranged at two sides of the carbonization furnace cavity 201; the temperature sensor mounting holes 205 are formed in the middle vertical part of the carbonization furnace cavity 201 and are uniformly distributed; the temperature sensor mounting ports 205 are arranged on two sides of the carbonization furnace cavity 201; the composite biochar collecting cavity 206 is arranged at the bottom of the carbonization furnace cavity 201 and is an inverted step-shaped cavity, and the angle between the tetrahedral trapezoid and the horizontal plane is 30-45 degrees; the vertical sludge carbonization equipment supporting legs 207 are arranged at four corners of the bottom of the carbonization furnace cavity 201. The feeding hole 1 comprises a feeding bin 101, a feeding upper turning plate 102 and a feeding lower turning plate 103; the top of the feeding bin 101 is provided with a feeding upper turning plate 102, and the bottom of the feeding bin is provided with a feeding lower gate plate 103. The oscillating crawler 3 comprises a crawler frame 301, a crawler 302, a crawler transmission shaft 303 and a crawler oscillating shaft 304; the crawler 302 is arranged on the crawler frame 301; the crawler transmission shaft 303 is arranged at one end of the crawler frame 301; the crawler swinging shaft 304 is arranged on one side of the middle of the crawler frame 301; the caterpillar band 302 can be driven by a caterpillar band transmission shaft 303 to convey, so that the pyrolyzed sludge biomass mixture enters the next layer of swinging caterpillar band 3; the crawler frame 301 and the crawler 302 can be driven by the crawler oscillating shaft 304 to oscillate to perform oscillating rolling on the sludge biomass mixture. The track transmission rod 4 comprises a transmission connecting shaft 401 and a transmission disc 402; the transmission connecting shaft 401 is arranged on the crawler transmission rod 4, the transmission disc 402 is eccentrically arranged on the transmission connecting shaft 401, and the center of the other side of the transmission disc 402 is connected with the crawler transmission shaft 303; the track transmission rod 4 is controlled by the transmission driver 5 to drive the transmission connecting shaft 401 and the transmission disc 402 to eccentrically rotate, and further drive the track transmission shaft 303 to rotate, so that the swinging track 3 transmits the sludge biomass mixture. The transmission driver 5 comprises a transmission main machine 501, a transmission belt 502, a transmission wheel 503 and a transmission button 504; the transmission belt 502 is arranged between the transmission main machine 501 and the transmission wheel 503, and the transmission main machine 501 can drive the transmission wheel 503 to rotate through the transmission belt 502; the transmission button 504 is arranged on the upper edge of the transmission wheel 503, and the crawler beltThe transmission rod 4 is arranged on the transmission button 504; the transmission wheel 503 drives the transmission button 504 and the track transmission rod 4 to move. The crawler swinging rod 7 comprises an eccentric transmission disc 701 and an eccentric transmission connector 702; the eccentric transmission disc 701 is arranged on the swinging rod, the eccentric transmission connector 702 is arranged on the eccentric transmission disc 701, and the other end of the eccentric transmission connector 702 is connected with the crawler swinging shaft 304; the crawler belt swinging rod 7 is driven to rotate by a swinging driver 8; the track swinging rod 7 drives the eccentric transmission disc 701 to rotate by rotating clockwise and anticlockwise back and forth by 270 degrees, so as to drive the eccentric transmission connector 702 and the track swinging shaft 304 to move back and forth, and further drive the swinging track 3 to swing. The eccentric transmission connector 702 comprises a fixed connector 703, a connecting bearing 704 and a central connecting shaft 705; the fixed connector 703 is fixedly connected with the connecting bearing 704 through a central connecting shaft 705; the outer ring of the connecting bearing 704 is rotatable. The swing driver 8 comprises a transmission main shaft 801, a transmission belt 802 and a transmission auxiliary shaft 803; the transmission belt 802 is arranged between the transmission main shaft 801 and the transmission auxiliary shaft 803, and the transmission main shaft 801 can drive the transmission auxiliary shaft 803 to rotate through the transmission belt 802; the crawler belt swinging rod 7 is arranged on the transmission auxiliary shaft 803, and the crawler belt swinging rod 7 is driven to rotate by the transmission auxiliary shaft 803. The discharge port 10 comprises a discharge bin 1001, a discharge upper gate plate 1002 and a discharge lower turning plate 1003; the top of the discharging bin 1001 is provided with a discharging upper gate plate 1002; the bottom of the discharging bin 1001 is provided with a discharging lower turning plate 1003. The feed inlet 1 is a square with the side length of 20 cm-80 cm; the sludge biomass mixture enters a carbonization furnace from the feed inlet 1; the size of the feed port 1 can be designed according to the feeding amount of the sludge biomass mixture to be carbonized; the carbonization furnace cavity 201 is a rectangular cavity and is a main space for carbonizing the sludge biomass mixture; the length of the cavity is 1.0-3.5 m, the width of the cavity is 1.0-3.5 m, the height of the cavity is 1.0-3.5 m, and the volume of the cavity is 1.000 m3~42.1095 m3(ii) a The treatment capacity of the sludge biomass mixture is 1.0 t/h-5.5 t/h; the number of the swing track mounting openings 202 is 4-16, the swing track mounting openings are arranged on two sides of the carbonization furnace cavity 201 and are evenly distributed; swing track mount 202 practiceThe number of the holes is determined according to the actual design size of the carbonization furnace cavity 201, and the reserved swinging crawler belt mounting port 202 can be opened or closed as required; the crawler belt swinging rod mounting openings 203 are square with the side length of 50 cm-150 cm, the number of the crawler belt swinging rod mounting openings 203 is 4-16, and the positions of the crawler belt swinging rod mounting openings are one row of the edge of one side of the carbonization furnace cavity 201; the actual number of the holes formed in the mounting hole 203 of the crawler oscillating rod is determined according to the actual design size of the cavity 201 of the carbonization furnace, and the reserved mounting hole 203 of the crawler oscillating rod can be opened or closed as required; the burner mounting ports 204 are circular with the diameter of 50 cm-150 cm, the number of the burner mounting ports 204 is 4-16, and the burner mounting ports are uniformly distributed at the middle vertical part of the carbonization furnace cavity 201; the burner mounting ports 204 are arranged at two sides of the carbonization furnace cavity 201; the actual number of the holes of the burner mounting port 204 is determined according to the actual design size of the carbonization furnace cavity 201, and the reserved burner mounting port 204 can be opened or closed as required; the temperature sensor mounting openings 205 are round with the diameter of 2 cm-5 cm, the number of the temperature sensor mounting openings 205 is 4-16, and the temperature sensor mounting openings are uniformly distributed at the middle vertical part of the carbonization furnace cavity 201; the temperature sensor mounting ports 205 are arranged on two sides of the carbonization furnace cavity 201; the actual number of the holes formed in the temperature sensor mounting port 205 is determined according to the actual design size of the carbonization furnace cavity 201, and the reserved temperature sensor mounting port 205 can be opened or closed as required; the composite biochar collecting cavity 206 is arranged at the bottom of the carbonization furnace cavity 201 and is an inverted step-shaped cavity, and the angle between the tetrahedral trapezoid and the horizontal plane is 30-45 degrees; the composite biochar collecting cavity 206 is responsible for collecting composite biochar particles falling after carbonization in the carbonization furnace cavity 201; the supporting legs 207 of the vertical sludge carbonization equipment are arranged at four corners of the bottom of the cavity 201 of the carbonization furnace, the number of the supporting legs is 4 or 8, and the height of the supporting legs is 0.6-1.0 m; the discharge hole 10 is a square with the side length of 15 cm-40 cm; the discharge hole 10 is responsible for discharging the composite biochar particles collected in the composite biochar collecting cavity 205; the residual heat gas outlet 11 is circular with the diameter of 10 cm-30 cm; the number of the residual heat gas outlets 11 is 2-4, and the reserved residual heat gas outlets 11 can be opened or closed as required; the residual heat gas outlet 11 is responsible for generating the carbonization process in the furnace body 2 of the vertical sludge carbonization equipmentThe waste heat and the odor waste gas are led out to a waste gas waste heat treatment system or a drying system for waste heat utilization; the whole material of the furnace body 2 of the vertical sludge carbonization equipment is stainless steel 316. The feeding hole 1 comprises a feeding bin 101, a feeding upper turning plate 102 and a feeding lower turning plate 103; the feeding bin 101 is in a cuboid shape, the upper surface and the lower surface of the feeding bin are squares with side lengths of 20 cm-80 cm, and the height of the feeding bin is 20 cm-50 cm; the feeding upper turning plate 102 and the feeding lower gate plate 103 are both square with the side length of 20 cm-80 cm, and the specific size is determined according to the size of the upper surface and the lower surface of the feeding bin 101; when the feeding port 1 feeds materials, the feeding upper copy plate 102 is opened, the feeding lower copy plate 103 is closed, and the sludge biomass mixture is temporarily stored in the feeding bin 101; after the feeding is finished, the feeding upper turning plate 102 is closed, the feeding lower flashboard 103 is opened, and the sludge biomass mixture enters the cavity 201 of the carbonization furnace for carbonization; the utility model can greatly reduce the overflow of odor, waste gas and waste heat in the cavity 201 of the carbonization furnace; the oscillating crawler 3 comprises a crawler frame 301, a crawler 302, a crawler transmission shaft 303 and a crawler oscillating shaft 304; the crawler frame 301 is rectangular, the length is 0.8-3.2 m, the width is 1.0-3.5 m, the selection of the length and the width corresponds to the selection of the actual length and the width of the carbonization furnace cavity 201, the 20 cm space is reserved at the tail end of the swinging crawler 3, and the sludge biomass mixture on the swinging crawler 3 can fall into the next layer; the crawler belts 302 are arranged in the crawler belt frames 301, and the number of the crawler belts is 1-4; the crawler transmission shaft 303 is arranged at one end of the crawler frame 301; the crawler swinging shaft 304 is arranged in the middle of one side of the crawler frame 301; the crawler frame 301 and the crawler 302 can be driven by the crawler oscillating shaft 304 to vibrate to shake and roll the sludge biomass mixture; the caterpillar 302 can be driven by a caterpillar transmission shaft 303 to convey, so that the pyrolyzed sludge biomass mixture enters the next layer of swinging caterpillar 3. The whole material of the swinging crawler 3 is stainless steel 316. The track transmission rod 4 comprises a transmission connecting shaft 401 and a transmission disc 402; the crawler transmission rod 4, the transmission connecting shaft 401 and the transmission disc 402 are connected with the crawler transmission shaft 303 to drive the crawler transmission shaft 303 to rotate. The whole material of the track transmission rod 4 is stainless steel 316. The transmission driver 5 comprises a transmission main machine 501, a transmission belt 502, a transmission wheel 503 and a transmission button 504; the transmission main machine 501 is used for transmissionThe moving belt 502, the driving wheel 503 and the driving button 504 move the track transmission rod 4. The crawler swinging rod 7 comprises an eccentric transmission disc 701 and an eccentric transmission connector 702; the track swinging rod 7 drives the eccentric transmission disc 701 to rotate by rotating clockwise and anticlockwise back and forth by 270 degrees, so as to drive the eccentric transmission connector 702 and the track swinging shaft 304 to move back and forth, and further drive the swinging track 3 to swing. The eccentric transmission connector 702 comprises a fixed connector 703, a connecting bearing 704 and a central connecting shaft 705; the fixed connector 703 is fixedly connected with the connecting bearing 704 through a central connecting shaft 705; the outer ring of the connecting bearing 704 is rotatable. The swing driver 8 comprises a transmission main shaft 801, a transmission belt 802 and a transmission auxiliary shaft 803; the transmission main shaft 801, the transmission belt 802 and the transmission auxiliary shaft 803 drive the track swinging rod 7 to rotate. The discharge port 10 comprises a discharge bin 1001, a discharge upper gate plate 1002 and a discharge lower turning plate 1003; the discharging bin 1001 is in a cuboid shape, the upper surface and the lower surface of the discharging bin are squares with the side length of 15 cm-40 cm, and the height of the discharging bin is 12 cm-40 cm; the discharging upper gate plate 1002 is rectangular, 15 cm-40 cm long and 9.5 cm-20 cm wide; the discharging lower turning plate 1003 is square with the side length of 15 cm-40 cm, and the specific sizes of the discharging upper gate plate 1002 and the discharging lower turning plate 1003 are determined according to the sizes of the upper surface and the lower surface of the discharging bin 1001; when the discharge port 10 discharges materials, the discharge upper turning plate 1002 is opened, the discharge lower turning plate 1003 is closed, and the carbonized composite biochar is temporarily stored in the discharge bin 1001; after the discharging is finished, the discharging upper flashboard 1002 is closed, the discharging lower turning board 1003 is opened, and the composite biochar is discharged out of the carbonization furnace cavity 201; the utility model discloses the effluvium waste gas and the excessive of waste heat in the less carbide furnace cavity 201 of very big degree. The utility model discloses a vertical sludge carbonization equipment, at a large amount of waste heat and foul smell waste gas that mud biomass mixture carbonization process produced, through the discharge of residual heat gas body discharge port, the residual heat gas body discharge port other end can insert and carry out waste heat utilization in other technologies (like mud biomass mixture drying process), also can insert the exhaust-gas treatment system in, carries out innocent treatment to foul smell waste gas. The utility model relates to a vertical mud vibration carbonization equipment opens feed inlet, discharge gate, surplus hot gas discharge port and can also regard as burning furnace to use in the use, through sneaking into airAn aerobic environment is formed, and solid wastes such as sludge are incinerated.
The utility model provides a carbide furnace cavity can also adopt circular design, and its diameter is 2 m.
The following examples were processed using a square carbide furnace chamber.
Example 1
The low-temperature carbonization process is adopted, the treatment capacity of a biomass mixture (the biomass content is 2%) of the sludge and the sludge dredged from the dry water body is required to be 850 kg/h:
1) the furnace body 2 of the vertical sludge carbonization equipment is provided with 16 swinging crawler belts 3, 8 burners and 8 temperature sensors 9; the central control system 13 controls the maximum power starting of 8 burners 6 to preheat the furnace body 2 of the vertical sludge carbonization equipment; preheating the highest target temperature of 300 ℃, starting 8 burners 6 at the same time, when the temperature of the uppermost layer reaches 230 ℃, closing the uppermost burner 6, when the temperature of the third layer reaches 240 ℃, closing the second burner 6, and so on until the temperature of the lowest layer reaches 300 ℃, and feeding back the temperature in the cavity 201 of the carbonization furnace in real time by using a temperature sensor 9;
2) after the preheating temperature reaches 300 ℃, the temperature sensor 9 feeds back information to the central control system 13, and the transmission driver 5 drives the crawler transmission rod 4 to start transmission by the swinging crawler 3; the swinging driver 8 drives the caterpillar swinging rod 7 to make the swinging caterpillar 3 start swinging;
3) the central control system 13 controls the feeding upper turning plate 102 to be opened, the feeding lower turning plate 103 to be closed, and 80 kg of dried dredged sludge biomass mixture enters the feeding bin 101 for temporary storage; then, the feeding upper turning plate 102 is closed, the feeding lower turning plate 103 is opened, and the dried dredged sludge and biomass mixture enters the cavity 201 of the carbonization furnace from the feeding hole 1; 80 kg of dry dredged sludge biomass mixture is carried and oscillated by the swinging crawler 3 at the topmost layer;
4) the conveying time of the topmost layer swinging crawler 3 is 5 min, namely the dredged sludge and sludge biomass mixture on the topmost layer swinging crawler 3 falls after being heated for 5 min and is received by the second layer swinging crawler 3; then, the feeding upper turning plate 102 is opened, the feeding lower turning plate 103 is closed, and 80 kg of dry dredged sludge biomass mixture enters the feeding bin 101 for temporary storage; then, the feeding upper turning plate 102 is closed, the feeding lower turning plate 103 is opened, the dry dredged sludge biomass mixture enters the carbonization furnace cavity 201 from the feeding hole 1, and 80 kg of the dry dredged sludge biomass mixture is received by the topmost swing crawler 3; the conveying process of the swinging crawler 3 and the feeding process of the feeding port 1 are carried out, the swinging crawler keeps a swinging oscillation state, and the biomass mixture of the dried dredged sludge and sludge keeps a uniformly heated state;
5) after the sludge and sludge biomass dredging mixture on the topmost layer and the second layer of swinging crawler 3 is heated for 5 min, the sludge and sludge biomass dredging mixture on the second layer of swinging crawler 3 is conveyed to fall into the third layer of swinging crawler 3; then the dredged sludge and biomass mixture on the topmost layer of oscillating track 3 falls into the second layer of oscillating track 3 through conveying; then, the feeding upper turning plate 102 is opened, the feeding lower turning plate 103 is closed, and a proper amount of dry dredged sludge biomass mixture enters the feeding bin 101 for temporary storage; then, the feeding upper turning plate 102 is closed, the feeding lower turning plate 103 is opened, the dry dredged sludge biomass mixture enters the carbonization furnace cavity 201 from the feeding hole 1, and 80 kg of the dry dredged sludge biomass mixture is received by the topmost swing crawler 3; in the same way, the operation is repeated until all the swinging crawler belts 3 receive the dry dredged sludge and sludge biomass mixture;
6) after the dry dredged sludge and sludge biomass mixture is heated and oscillated step by the 16 layers of swinging tracks 3, the sludge on the upper layer is pyrolyzed at a lower temperature and falls into the next layer, the sludge is heated continuously by the next layer at a higher temperature, at the moment, organic matters in the sludge are cracked to generate a part of heat, the temperature of the layer is compensated, hot gas circularly flows in the furnace due to the temperature difference in the furnace, the dredged sludge and sludge biomass mixture on the swinging tracks 3 at the bottommost layer is carbonized for 90 min to generate composite biochar; the bottom swing crawler 3 conveys the carbonized composite biochar into the composite biochar collecting cavity 205;
7) after the dried dredged sludge biomass mixture is carbonized for 1.5 h, the central control system 13 controls the opening of the discharging upward turning plate 1002, and the carbonized composite biochar enters the discharging bin 1001 for temporary storage; the discharging upper turning plate 1002 is closed, the discharging lower turning plate 1003 is opened, and the composite biochar temporarily stored in the discharging bin is discharged out of the carbonization furnace cavity 201 and transported to a storage bin for storage; the system continuously operates for 300 days, and the generated composite biochar is about 420 kg in 1 h;
8) in the carbonization process, the temperature in the furnace body 2 of the vertical sludge carbonization equipment is monitored by the temperature sensor 9 in real time, when the highest temperature deviates from 300 +/-30 ℃, the temperature sensor 9 feeds back information to the central control system 13, the central control system controls the power increase and decrease of the burner 6, the temperature in the furnace body 2 of the vertical sludge carbonization equipment is regulated and controlled, and the temperature of the furnace chamber is kept at 300 +/-30 ℃;
9) a large amount of waste heat and odor waste gas generated in the carbonization process of the sludge biomass mixture are discharged to other processes (such as a sludge biomass mixture drying process) through a waste heat gas outlet 11 for waste heat utilization, or are connected into a waste gas treatment system for harmless treatment of the odor waste gas.
Example 2
The high-temperature rapid carbonization process is adopted, the treatment capacity of a dry papermaking sludge biomass mixture (the content of biomass in the mixture is 1.5%) is required to be 1200 kg/h:
1) the furnace body 2 of the vertical sludge carbonization equipment is provided with 6 swinging crawler belts 3, 6 burners and 6 temperature sensors 9; the maximum power starting of 6 burners is controlled by a central control system 13, the preheating target temperature of a furnace body 2 of the vertical sludge carbonization equipment is 600 ℃ at most, the 6 burners 6 are started simultaneously, when the temperature of the uppermost layer reaches 500 ℃, the uppermost burner 6 is closed, when the temperature of the second layer reaches 520 ℃, the second burner 6 is closed, and the rest is done in the same way until the temperature of the lowest layer reaches 600 ℃, the swinging crawler 3 starts to convey and oscillate, and the temperature in the cavity 201 of the carbonization furnace is fed back by a temperature sensor 9 in real time;
2) the feeding upper turning plate 102 is opened, the feeding lower turning plate 103 is closed, and 200 kg of dry papermaking sludge biomass mixture enters the feeding bin 101 for temporary storage; then, the feeding upper turning plate 102 is closed, the feeding lower turning plate 103 is opened, and the dry papermaking sludge biomass mixture enters the carbonization furnace cavity 201 from the feeding hole 1; 200 kg of dry papermaking sludge biomass mixture is carried and oscillated by the swinging crawler 3 at the topmost layer;
3) the conveying time of the topmost layer swinging crawler 3 is 10 min, namely the papermaking sludge biomass mixture on the topmost layer swinging crawler 3 falls down after being heated for 10 min and is received by the second layer swinging crawler 3; then, the feeding upper turning plate 102 is opened, the feeding lower turning plate 103 is closed, and 200 kg of the dry papermaking sludge biomass mixture enters the feeding bin 101 for temporary storage; then, the feeding upper turning plate 102 is closed, the feeding lower turning plate 103 is opened, the dried papermaking sludge biomass mixture enters the carbonization furnace cavity 201 from the feeding hole 1, and 200 kg of the dried papermaking sludge biomass mixture is received by the topmost swing crawler 3; the conveying process of the swing crawler 3 and the feeding process of the feeding port 1 are carried out, the swing crawler keeps a swing oscillation state, and the dried papermaking sludge and biomass mixture keeps a uniformly heated state;
4) after the papermaking sludge biomass mixture on the topmost layer and the second layer of swinging crawler 3 is heated for 10 min, the papermaking sludge biomass mixture on the second layer of swinging crawler 3 falls into the third layer of swinging crawler 3, and the papermaking sludge biomass mixture on the topmost layer of swinging crawler 3 falls into the second layer of swinging crawler 3; then, the feeding upper turning plate 102 is opened, the feeding lower turning plate 103 is closed, and a proper amount of dry paper sludge biomass mixture enters the feeding bin 101 for temporary storage; then, the feeding upper turning plate 102 is closed, the feeding lower turning plate 103 is opened, the dried papermaking sludge biomass mixture enters the carbonization furnace cavity 201 from the feeding hole 1, and 200 kg of the dried papermaking sludge biomass mixture is received by the topmost swing crawler 3; in the same way, the drying of the papermaking sludge biomass mixture is carried out until all the swinging crawler belts 3 are supported;
5) after the dry papermaking sludge biomass mixture is heated step by step through the 6 layers of swinging tracks 3 and oscillated, the upper layer sludge is pyrolyzed at a lower temperature and falls into the next layer, the lower layer at a higher temperature enables the sludge to be heated continuously, at the moment, organic matters in the sludge are cracked to generate a part of heat to compensate the temperature of the layer, the temperature difference in the furnace body is that hot gas circularly flows in the furnace, and the sludge biomass mixture on the swinging track 3 at the bottommost layer is carbonized for 1 hour to generate composite biochar; the carbonized composite biochar on the swinging crawler 3 at the bottommost layer is conveyed into the composite biochar collecting cavity 205;
6) after the dry paper-making sludge biomass mixture is carbonized for 1 hour, the central control system 13 controls the opening of the discharging upward turning plate 1002, and the carbonized composite biochar enters the discharging bin 1001 for temporary storage; the discharging upper turning plate 1002 is closed, the discharging lower turning plate 1003 is opened, and the composite biochar temporarily stored in the discharging bin is discharged out of the carbonization furnace cavity 201 and transported to a storage bin for storage; the system is operated continuously, and the generated composite biochar is about 600 kg in 1 h;
7) in the carbonization process, the temperature in the furnace body 2 of the vertical sludge carbonization equipment is monitored by the temperature sensor 9 in real time, when the temperature deviates from 600 +/-20 ℃, the temperature sensor 9 feeds back information to the central control system 13, the central control system controls the power increase and decrease of the burner 6, the temperature in the furnace body 2 of the vertical sludge carbonization equipment is regulated and controlled, and the temperature of the furnace chamber is kept at 600 +/-20 ℃;
8) a large amount of waste heat and odor and waste gas generated in the carbonization process of the sludge biomass mixture are discharged to a spraying system through a waste heat gas outlet 11 to be cooled and then are connected into a waste gas and waste water treatment system to carry out harmless treatment on waste gas and waste water.
Example 3
The high-temperature incineration process is adopted, and the treatment capacity of the dry sludge (paper sludge adopted in the embodiment) is required to be 1200 kg/h:
1) the furnace body 2 of the vertical sludge carbonization equipment is provided with 6 swinging crawler belts 3, 6 burners 6 and 6 temperature sensors 9; the central control system 13 controls the maximum power starting of 6 burners 6, the oscillating caterpillar band 3 starts oscillating, the feed inlet 1, the discharge outlet 10 and the residual heat gas discharge outlet 11 are all opened, and the temperature in the cavity 201 of the carbonization furnace is fed back by the temperature sensor 9 in real time;
2) 200 kg of dry sludge enters a cavity 201 of the carbonization furnace from a feed inlet 1; 200 kg of dried sludge is carried and oscillated by the swinging crawler 3 at the topmost layer;
3) after the sludge on the topmost layer of the swinging crawler 3 is heated for 10 min, the sludge falls down and is received by the second layer of the swinging crawler 3; then 200 kg of dry sludge enters the cavity 201 of the carbonization furnace from the feed inlet 1, and 200 kg of dry sludge is received by the swinging crawler 3 at the topmost layer; the conveying process of the swinging crawler 3 and the feeding process of the feeding port 1 are carried out, the swinging crawler keeps a swinging oscillation state, and the dried sludge keeps a uniformly heated state;
4) after the sludge on the topmost layer and the second layer of swinging crawler 3 is heated for 10 min, the sludge on the second layer of swinging crawler 3 falls into the third layer of swinging crawler 3, and the sludge on the topmost layer of swinging crawler 3 falls into the second layer of swinging crawler 3; then, a proper amount of dried sludge enters the cavity 201 of the carbonization furnace from the feeding hole 1, and 200 kg of dried sludge is received by the swinging crawler 3 at the topmost layer; by analogy, until all the swinging crawler belts 3 receive the dried sludge;
5) after the dried sludge is incinerated step by step and oscillated by 6 layers of swinging crawler belts 3, the sludge on the swinging crawler belt 3 at the bottommost layer is incinerated for 1 hour at high temperature, organic matters and harmful substances are gasified, and only ash is left; the swinging crawler 3 at the bottom layer overturns 180 degrees, and ash is discharged from the discharge hole 10.
The above description is a detailed description of the preferred practical embodiment of the present invention, but the embodiment is not intended to limit the application scope of the present invention, and all the equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should belong to the scope of the present invention covered by the present invention.

Claims (12)

1. The vertical internal circulation sequencing batch pyrolysis equipment is characterized in that more than one swinging crawler (3) is arranged in a furnace body (2) of the vertical sludge carbonization equipment, a vertical arrangement mode is adopted between every two swinging crawler (3), a heating device is arranged on the outer wall surface of the equipment, and heating ports of the heating device are positioned on two sides of the swinging crawler (3); the swinging crawler belt (3) has the functions of swinging and rolling the sludge on the plate surface; the heating device enables the temperature in the equipment to have gradient transformation, and hot air flow in the equipment performs internal circulation flow;
the swinging crawler belt (3) is horizontally arranged in the furnace body (2) of the vertical sludge carbonization equipment; the crawler belt transmission rod (4) is arranged at one end of the swinging crawler belt (3); the other end of the track transmission rod (4) is connected with a transmission driver (5); the swinging crawler (3) is driven by a transmission driver (5) and a crawler transmission rod (4) to transmit; the crawler belt swinging rod (7) is arranged on one side of the swinging crawler belt (3); the other end of the crawler belt swinging rod (7) is connected with a swinging driver (8); the swinging crawler (3) is driven to swing by a swinging driver (8) and a crawler swinging rod (7); the burners (6) are arranged on two sides of the furnace body (2) of the vertical sludge carbonization equipment; the temperature sensors (9) are arranged on two sides of the furnace body (2) of the vertical sludge carbonization equipment.
2. The vertical internal circulation sequencing batch pyrolysis apparatus of claim 1, wherein the heating device is a burner, a stainless steel electric heating tube, a ceramic electric heater or a graphene heater.
3. The vertical internal circulation sequencing batch pyrolysis apparatus according to claim 1 or 2, further comprising a central control system (13), wherein the central control system (13) is electrically connected to the conveying driver (5), the swing driver (8), the temperature sensor (9) and the heating device through a central control system connection line, and is configured to collect temperature data and control the on/off and power of the conveying driver (5), the swing driver (8), the swing crawler (3) and the heating device; the central control system (13) controls the opening and closing and the running power of the conveying driver (5), adjusts the conveying speed of the swinging crawler (3), and adjusts the carbonization time of the sludge biomass mixture; the central control system (13) controls the opening and closing and the running power of the swing driver (8) and adjusts the swing frequency of the swing crawler (3); the central control system (13) controls the opening and closing of the heating device and the combustion power, and adjusts the carbonization temperature and the temperature gradient in the furnace body (2) of the vertical sludge carbonization equipment.
4. The vertical internal circulation sequencing batch pyrolysis device of claim 1, wherein the furnace body (2) of the vertical sludge carbonization device comprises a feed inlet (1), a carbonization furnace cavity (201), a swinging crawler belt mounting port (202), a crawler belt swinging rod mounting port (203), a burner mounting port (204), a temperature sensor mounting port (205), a composite biochar collecting cavity (206), furnace body supporting legs (207), a discharge port (10) and a residual heat gas discharge port (11);
the feed inlet (1) is arranged on the top edge of the furnace body (2) of the vertical sludge carbonization equipment; the discharge hole (10) is arranged at the bottom of the furnace body (2) of the vertical sludge carbonization equipment; the residual heat gas outlet (11) is arranged at the top edge of the furnace body (2) of the vertical sludge carbonization equipment, the residual heat gas outlet (11) in use is hermetically connected with a residual heat gas discharge pipe, and the unused residual heat gas outlet (11) is hermetically closed, so that the heat gas does not overflow;
the swinging crawler belt mounting openings (202) are arranged on two sides of the carbonization furnace cavity (201);
the crawler oscillating rod mounting openings (203) are arranged at one side of the carbonization furnace cavity (201) close to the middle row;
the burner mounting ports (204) are arranged in the middle vertical part of the carbonization furnace cavity (201) and are uniformly distributed; the burner mounting ports (204) are arranged at two sides of the carbonization furnace cavity (201);
the temperature sensor mounting openings (205) are formed in the middle vertical part of the carbonization furnace cavity (201) and are uniformly distributed; the temperature sensor mounting ports (205) are arranged on two sides of the carbonization furnace cavity (201);
the composite biochar collecting cavity (206) is arranged at the bottom of the carbonization furnace cavity (201) and is an inverted step-shaped cavity, and the angle between a tetrahedral trapezoid and the horizontal plane is 30-45 degrees;
the furnace body supporting legs (207) are arranged at four corners of the bottom of the carbonization furnace cavity (201).
5. The vertical internally circulating sequencing batch pyrolysis apparatus of claim 4, wherein the feed inlet (1) comprises a feed bin (101), a feed upper flap (102) and a feed lower shutter (103); the top of the feeding bin (101) is provided with a feeding upper turning plate (102), and the bottom of the feeding bin is provided with a feeding lower gate plate (103).
6. The vertical internal circulation sequencing batch pyrolysis apparatus of claim 1, wherein the oscillating track (3) comprises a track frame (301), a track (302), a track drive shaft (303), and a track oscillating shaft (304); the crawler (302) is arranged on the crawler frame (301); the crawler transmission shaft (303) is arranged at one end of the crawler frame (301); the crawler swinging shaft (304) is arranged on one side of the middle of the crawler frame (301); the caterpillar tracks (302) are driven by a caterpillar track transmission shaft (303) to convey, so that the sludge biomass mixture after pyrolysis enters the next layer of swinging caterpillar tracks (3); the crawler frame (301) and the crawler (302) are driven by the crawler swinging shaft (304) to swing to perform vibration rolling on the sludge biomass mixture.
7. The vertical internal circulation sequencing batch pyrolysis apparatus of claim 1, wherein the caterpillar drive rod (4) is connected to the drive plate (402) by a drive connection shaft (401); the transmission connecting shaft (401) is arranged on the crawler transmission rod (4), the transmission disc (402) is eccentrically arranged on the transmission connecting shaft (401), and the center of the other side of the transmission disc (402) is connected with the crawler transmission shaft (303); the transmission of the crawler transmission rod (4) is controlled by the transmission driver (5), the transmission driver (5) drives the vertically arranged crawler transmission rod (4) to do circular motion around the transmission wheel (503), the crawler transmission rod (4) drives the transmission connecting shaft (401) and the transmission disc (402) to eccentrically rotate, and the crawler transmission shaft (303) rotates at a fixed point, so that the swinging crawler (3) transmits the sludge and biomass mixture.
8. The vertical internal circulation sequencing batch pyrolysis apparatus of claim 1 or 7, wherein the transfer drive (5) comprises a main drive unit (501), a belt (502), a pulley (503), and a drive button (504); the transmission belt (502) is arranged between the transmission main machine (501) and the transmission wheel (503), and the transmission main machine (501) drives the transmission wheel (503) to rotate through the transmission belt (502); the transmission button (504) is arranged on the upper edge of the transmission wheel (503), and the crawler transmission rod (4) is arranged on the transmission button (504); the transmission wheel (503) drives the transmission button (504) and the crawler transmission rod (4) to move.
9. The vertical internal circulation sequencing batch pyrolysis apparatus of claim 1 or 5, wherein the caterpillar oscillating bar (7) comprises an eccentric transmission disc (701) and an eccentric transmission connection head (702); the eccentric transmission disc (701) is installed on the swinging rod, the eccentric transmission connector (702) is installed on the eccentric transmission disc (701), and the other end of the eccentric transmission connector (702) is connected with the crawler swinging shaft (304); the crawler oscillating rod (7) is driven to rotate by an oscillating driver (8); the crawler swinging rod (7) drives the eccentric transmission disc (701) to rotate through clockwise and anticlockwise back-and-forth rotation of 270 degrees, so that the eccentric transmission connector (702) and the crawler swinging shaft (304) are driven to move back and forth, and the swinging crawler (3) is driven to swing.
10. The vertical internal circulation sequencing batch pyrolysis apparatus of claim 9, wherein the eccentric drive connection (702) comprises a fixed connection (703), a connection bearing (704) and a central connection shaft (705); the fixed connector (703) is movably connected with the connecting bearing (704) through a central connecting shaft (705); the fixed connector (703) is movably connected with the crawler belt swinging shaft (304); the outer ring of the connecting bearing (704) can rotate; the track swinging rod (7) rotates clockwise and anticlockwise to drive the connecting bearing (704) to rotate and the fixed connector (703) to move back and forth, and further drive the track swinging shaft (304) to move back and forth.
11. The vertical internal circulation sequencing batch pyrolysis apparatus of claim 1, wherein the oscillating drive (8) comprises a main drive shaft (801), a drive belt (802) and a secondary drive shaft (803); the transmission belt (802) is arranged between the transmission main shaft (801) and the transmission auxiliary shaft (803), and the transmission main shaft (801) drives the transmission auxiliary shaft (803) to rotate through the transmission belt (802); the crawler belt swinging rod (7) is arranged on the transmission auxiliary shaft (803), and the crawler belt swinging rod (7) is driven to rotate through the transmission auxiliary shaft (803).
12. The vertical internal circulation sequencing batch pyrolysis apparatus of claim 4, wherein the outfeed (10) comprises an outfeed bin (1001), an outfeed upper shutter (1002) and an outfeed lower flap (1003); the top of the discharging bin (1001) is provided with a discharging upper gate plate (1002); and a discharging lower turning plate (1003) is arranged at the bottom of the discharging bin (1001).
CN202120454860.8U 2021-03-03 2021-03-03 Vertical internal circulation sequencing batch pyrolysis equipment Active CN215250328U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112759213A (en) * 2021-03-03 2021-05-07 博仕燊环保科技(广州)有限公司 Vertical internal circulation sequencing batch pyrolysis equipment and method for sludge treatment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112759213A (en) * 2021-03-03 2021-05-07 博仕燊环保科技(广州)有限公司 Vertical internal circulation sequencing batch pyrolysis equipment and method for sludge treatment

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