WO2020186648A1 - Système de traitement de matériau à chambres multiples - Google Patents

Système de traitement de matériau à chambres multiples Download PDF

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Publication number
WO2020186648A1
WO2020186648A1 PCT/CN2019/092526 CN2019092526W WO2020186648A1 WO 2020186648 A1 WO2020186648 A1 WO 2020186648A1 CN 2019092526 W CN2019092526 W CN 2019092526W WO 2020186648 A1 WO2020186648 A1 WO 2020186648A1
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WO
WIPO (PCT)
Prior art keywords
chamber
cavity
working
processing system
material processing
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Application number
PCT/CN2019/092526
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English (en)
Chinese (zh)
Inventor
江艳存
Original Assignee
招远市汇潮新能源科技有限公司
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Application filed by 招远市汇潮新能源科技有限公司 filed Critical 招远市汇潮新能源科技有限公司
Publication of WO2020186648A1 publication Critical patent/WO2020186648A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B30/00—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B10/00—Combustion apparatus characterised by the combination of two or more combustion chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B90/00—Combustion methods not related to a particular type of apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J1/00—Removing ash, clinker, or slag from combustion chambers
    • F23J1/06—Mechanically-operated devices, e.g. clinker pushers

Definitions

  • This application relates to the field of energy saving technology, and specifically to a multi-cavity material processing system.
  • the cracking furnace is used in many fields, such as domestic waste treatment and industrial waste treatment.
  • the heating of the cracking furnace requires combustion energy. If the combustion efficiency is low, the combustion is insufficient or the heating rate is low, it will increase Energy consumption increases energy input costs.
  • a large amount of combustion exhaust gas will be emitted, and the exhaust gas contains a large amount of toxic and harmful gases, which will cause serious pollution to the environment.
  • the present application provides a multi-cavity material processing, which can greatly improve energy utilization and reduce emissions.
  • a multi-cavity material processing system comprising a furnace body, the furnace body is provided with a working cavity for processing materials and a combustion cavity for providing heat to the working cavity; the system also includes a discharge for discharging solid residues in the working cavity Material device, and a material turning device that flips the solid residue discharged from the working cavity, the material turning device makes the solid residue contact with the outer wall of the working cavity, and transfers the waste heat of the solid residue to the working chamber The outer wall of the cavity.
  • the turning device includes a rotating part that rotates along the central axis of the working chamber, and after the turning part turns, the solid residue is turned to the top of the working chamber.
  • the rotating part includes a circuitous structure or a spiral structure, so that the solid residue contacts the outer wall of the working chamber along a circuitous path or a spiral path.
  • the system further includes a heat exchange chamber, the residual liquid discharged from the working chamber is introduced into the heat exchange chamber, and the heat exchange chamber is provided with a pipeline communicating with the combustion chamber.
  • the hot air obtained by heat exchange with the residual liquid in the exchange cavity is input into the combustion cavity through the pipeline.
  • the system further includes a fluid flow restriction device, and the fluid discharged from the working chamber is discharged through the fluid flow restriction device,
  • the fluid flow direction restriction device is arranged around the outer wall of the working chamber to extend the fluid discharge path to transfer the waste heat to the outer wall of the working chamber.
  • the fluid flow direction restriction device includes a restriction cavity, and the restriction cavity is a tortuous restriction cavity or a spiral restriction cavity.
  • the system further includes a combustible residue recovery pipeline connected with the fluid flow restriction device, the combustible residue recovery pipeline is in communication with the combustion chamber, and solid residual carbon and/or combustible The fluid is delivered to the combustion chamber through the combustible residue recovery pipeline.
  • a combustible residue recovery pipeline connected with the fluid flow restriction device, the combustible residue recovery pipeline is in communication with the combustion chamber, and solid residual carbon and/or combustible The fluid is delivered to the combustion chamber through the combustible residue recovery pipeline.
  • the system further includes a stirring device, which is used to disperse the solid residue in the combustion chamber so that the residual carbon in the solid residue is fully burned.
  • the system further includes a plurality of heat sources for heating the working cavity, and the plurality of heat sources are distributed at intervals to form a distributed heat source.
  • control unit further includes a control unit and a temperature monitoring unit, the control unit is electrically connected to the temperature monitoring unit, and the control unit controls the heat energy released by each heat source according to the temperature monitored by the temperature monitoring unit.
  • the system further includes a combustion monitoring unit and a control unit, and the control unit is in communication connection with the combustion monitoring unit,
  • the control unit controls the intake air volume of the combustion chamber according to the data monitored by the combustion monitoring unit.
  • the cavity of the combustion chamber is sleeved outside the cavity of the working cavity to form a layered nested structure.
  • the working cavity is rotated.
  • the working cavity is arranged to rotate, and the rotating part is arranged on an outer wall of the working cavity.
  • the system further includes a material guide device arranged in the working cavity, and the material guide device is used to move part of the material in a direction opposite to the advancing direction, facing the movement direction of the remaining part of the material.
  • the present application provides a multi-cavity material processing system, in which the solid residue discharged from the working cavity by the turning device contacts the outer wall of the working cavity, and the waste heat of the solid residue is transferred to the outer wall of the working cavity. Due to the high heat of the solid residue after the material is processed, the heat energy as a kind of energy can be transferred to the outer wall of the working chamber to heat the working chamber, thereby realizing the recycling of energy and greatly improving the utilization rate of energy.
  • Fig. 1 is a schematic diagram of multi-cavity material processing according to an exemplary embodiment of the present application.
  • this application provides a multi-cavity material processing system (hereinafter referred to as the system), including a furnace body, a discharge device and a material turning device.
  • the furnace body is provided with a working cavity for processing materials and a combustion cavity for providing heat to the working cavity.
  • the working cavity is heated to a preset working temperature through the combustion cavity.
  • the preset working temperature can be different, which is not limited in this application.
  • the discharging device is used to discharge the solid residue in the working cavity, so that the solid residue is discharged to the outside of the working cavity
  • the turning device is used to turn the solid residue outside the working cavity and make the solid residue and the outer wall of the working cavity Contact, so as to transfer the waste heat of the solid residue to the outer wall of the working chamber.
  • the solid residue produced in the furnace is often at a high temperature, and the solid residue with temperature is also a kind of energy source, which can be output as heat energy to the outside world. Therefore, this application proposes that in the process of material processing, the solid residue discharged from the working cavity can be used, and the waste heat of the solid residue can be transferred to the working cavity, and the working cavity can be heated or insulated, so as to realize the solid residue.
  • the recycling of materials can reduce energy consumption.
  • the turning device may include a rotating part that rotates along the central axis of the working chamber, and the turning part may be driven by a power device (for example, a motor) to rotate, so that the solid residue and the outer wall of the working chamber contact. After the solid residue is discharged from the working cavity, it falls under the action of gravity.
  • the rotating part is set to rotate along the central axis of the working cavity, which can drive the solid residue accumulated under the working cavity to move upwards and reach the top of the working cavity. It can more fully contact the outer wall of the working chamber.
  • the solid residue turned to the top of the working cavity can also be freely scattered after contact with the outer wall of the working cavity. At this time, the scattered solid residue will slide down along the contour of the outer wall of the working cavity, thereby increasing the solid residue and work
  • the contact area of the outer wall of the cavity ensures that the working cavity is evenly heated.
  • the rotating part can be set to rotate at a speed of 3-10 r/min, so that the solid residue can continuously contact the outer wall of the working chamber, which improves the utilization of waste heat.
  • the rotating part may also include a circuitous structure or a spiral structure, so that the solid residue is turned to the top of the working chamber along the circuitous path or the spiral path, and contacts the outer wall of the working chamber.
  • the circuitous path or the spiral path will greatly extend the contact time and contact area between the solid residue and the outer wall of the working chamber, thereby further increasing the efficiency of heat transfer and improving the utilization of waste heat.
  • the spiral structure when the rotating part rotates, the spiral structure makes the solid residue move along the spiral path and surround the outer wall of the working chamber, achieving 360° contact between the solid residue and the outer wall of the working chamber. This way is significantly increased
  • the contact area and contact time between the solid residue and the outer wall of the working chamber are improved, and the waste heat utilization rate is significantly improved.
  • the system in this application can also utilize the residual liquid.
  • the system may also include a heat exchange cavity, which can realize heat exchange, and transport the heat in the working cavity in the form of heat exchange to be recycled and reused.
  • the heat exchange cavity may be in communication with the working cavity, and the residual liquid discharged from the working cavity is introduced into the heat exchange cavity.
  • the heat exchange chamber is provided with a pipeline communicating with the combustion chamber.
  • the hot air obtained by heat exchange between room temperature air and the residual liquid can be input into the combustion chamber through the pipeline, and the hot air can be used as the combustion chamber. Combustion aid.
  • the heat in the residual liquid is transferred to the room temperature air, and the room temperature air is heated and then passed into the combustion chamber to supply oxygen to the combustion chamber. This solution can reduce energy consumption on the one hand, and reduce high temperature emissions on the other hand.
  • the system provided by the present application can also utilize fluid (such as exhaust gas, fluidized dust, etc.) discharged from the working chamber.
  • the system also includes a fluid flow restriction device, and the fluid discharged from the working cavity flows to the restriction device through the fluid discharge.
  • the fluid flow restricting device is arranged around the outer wall of the working chamber, and can be used to extend the exhaust gas discharge path. When the exhaust gas flows through the fluid to the restricting device, the waste heat is transferred to the outer wall of the working chamber at the same time. It can be seen that the fluid flow restriction device restricts the discharge path of the fluid, increases the contact time between the fluid and the outer wall of the working chamber, and maximizes the utilization of the fluid reasonably.
  • the fluid flow direction restriction device may include a restriction cavity, and the restriction cavity may be configured as a circuitous restriction cavity or a spiral restriction cavity.
  • the circuitous confinement cavity may be a wave-shaped cavity or a square wave cavity, etc.
  • the spiral confinement cavity is arranged around the outer wall of the working cavity.
  • the heat transfer method may be heat transfer or heat radiation, and the former is preferred.
  • the system can also include a combustible residue recovery pipeline connected with the fluid flow restriction device, the combustible residue recovery pipeline is connected to the combustion chamber, and the combustible solid residue and fluid can pass through the combustible residue recovery pipe
  • the road is transported to the combustion chamber.
  • the waste heat of the solid residue containing residual carbon and the fluid containing carbon black discharged from the working chamber is used, it can be further introduced into the combustion chamber heated for the working chamber.
  • the residual heat in the solid residue The residual carbon and carbon black in the fluid are further used as fuel to be burned to heat the working chamber, thereby realizing the reuse of residues, further saving energy consumption and improving energy utilization, and realizing the maximum use of energy.
  • the system also includes a stirring device, which is arranged in the combustion chamber for dispersing the solid residue, so that the solid residue containing residual carbon and the gas flow containing carbon black are fully burned.
  • the system in order to uniformly heat the working cavity, includes multiple heat sources, which are arranged at intervals to form a distributed heat source.
  • the heat source may be a burner, which is arranged in the combustion chamber.
  • a control unit and a temperature monitoring unit can be provided.
  • the control unit is electrically connected to the temperature monitoring unit.
  • the temperature monitoring unit is used to monitor the temperature of the working chamber.
  • the control unit controls the heat source to release heat energy according to the temperature monitored by the temperature monitoring unit. Energy consumption, on the other hand, to ensure that the temperature of the working chamber is always kept within the preset working temperature range.
  • the system provided by the present application also includes a combustion monitoring unit and a control unit.
  • the control unit is in communication connection with the combustion monitoring unit, and the control unit controls the intake air volume of the combustion chamber according to the data monitored by the combustion monitoring unit.
  • a combustion monitoring unit controls the intake air volume of the combustion chamber according to the data monitored by the combustion monitoring unit.
  • control unit calculates the amount of gas according to the weight of the fuel in the combustion chamber, and controls the amount of gas introduced into the combustion chamber according to the amount of gas.
  • the solid-gas ratio can be selected in the range of 3-11.
  • control unit can control the amount of intake air in the combustion chamber.
  • control unit element can also control the amount of intake air delivered to each heat source to ensure a reasonable air distribution to each heat source.
  • the cavity of the combustion cavity can be sleeved outside the cavity of the working cavity to form a layered nested structure.
  • this solution can reduce the volume of the system and the floor space; on the other hand, it can make the working cavity be evenly heated to ensure that the temperature of the working cavity is at the preset working temperature. At the same time, it can effectively perform reasonable treatment of the processed materials
  • waste heat, the secondary use of energy for solid residues and carbon black fluid containing residual carbon can be used.
  • the system may also include a material guide device arranged in the working chamber to move part of the material in the opposite direction to the forward direction, and The movement directions of the rest of the materials are opposite. After this setting, the collision between the materials in the working cavity is strengthened, so that the materials can obtain more kinetic energy through the collision, and accelerate the realization of carbon peeling.
  • the cavity of the working cavity can be set to rotate, that is to say, in the process of material processing, by rotating the cavity of the working cavity, the animal material can be rolled in the working cavity, which can play the role of mixing the material.
  • the carbonization layer formed on the surface of the material can be stripped of carbon, and the material can be dispersed to avoid the accumulation of the material.
  • the rotating part may be connected to the outside of the working cavity, and rotate with the rotation of the working cavity, thereby playing the role of turning the solid residue.
  • the rotating part can also be hollowed on the outer wall of the working chamber. When the working chamber rotates, the rotating part rotates under the action of centrifugal force, which can also play the role of turning the solid residue. This application does not limit the specific arrangement of the rotating part.

Abstract

La présente invention concerne un système de traitement de matériau à chambres multiples. Le système de traitement de matériau à chambres multiples comprend un corps de four, un dispositif d'évacuation de matériau pour évacuer un résidu solide dans une chambre de travail, et un dispositif de retournement de matériau pour retourner le résidu solide évacué de la chambre de travail. Le corps de four est pourvu de la chambre de travail, qui est utilisée pour traiter des matériaux, et d'une chambre de combustion pour fournir de la chaleur à la chambre de travail, et le dispositif de retournement de matériau permet au résidu solide de venir en contact avec une paroi externe de la chambre de travail, de telle sorte que la chaleur résiduelle du résidu solide est transférée à la paroi externe de la chambre de travail. Le système de traitement de matériau peut considérablement améliorer un taux d'utilisation d'énergie et réduire l'évacuation.
PCT/CN2019/092526 2019-03-15 2019-06-24 Système de traitement de matériau à chambres multiples WO2020186648A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910199692.XA CN111692587B (zh) 2019-03-15 2019-03-15 一种多腔体物料处理系统
CN201910199692.X 2019-03-15

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CN202013095U (zh) * 2010-10-26 2011-10-19 启东市江安铸件有限公司 一种烟气余热回收熔化炉
JP6108204B2 (ja) * 2012-10-02 2017-04-05 阿▲蘓▼ 武 ペレット燃焼装置
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