WO2008089622A1 - Appareil de production d'un matériau de filtre au semi-coke - Google Patents

Appareil de production d'un matériau de filtre au semi-coke Download PDF

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Publication number
WO2008089622A1
WO2008089622A1 PCT/CN2007/003451 CN2007003451W WO2008089622A1 WO 2008089622 A1 WO2008089622 A1 WO 2008089622A1 CN 2007003451 W CN2007003451 W CN 2007003451W WO 2008089622 A1 WO2008089622 A1 WO 2008089622A1
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WO
WIPO (PCT)
Prior art keywords
drum
temperature
gas
coal
heating
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Application number
PCT/CN2007/003451
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English (en)
French (fr)
Inventor
Dawei Zhang
Original Assignee
Dawei Zhang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dawei Zhang filed Critical Dawei Zhang
Publication of WO2008089622A1 publication Critical patent/WO2008089622A1/zh

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
    • C10B47/28—Other processes
    • C10B47/30—Other processes in rotary ovens or retorts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Definitions

  • the invention belongs to a material processing equipment, in particular to processing anthracite, lean coal, lean coal, coking coal, fat coal, gas coal, long flame coal, lignite, coke, basket carbon into industrial wastewater and sewage treatment.
  • anthracite, lean coal, lean coal, coking coal, fat coal, gas coal, long flame coal, lignite, coke and basket carbon are used as raw materials.
  • the treatment of industrial wastewater and municipal wastewater by an active semi-coke filter adsorbent with an iodine adsorption value of 400-800 mg/g is an important invention.
  • the known preparation process is as follows: anthracite, lean coal, lean coal, coking coal, fat coal, gas coal, long flame coal, lignite, coke, basket carbon are crushed, sieved into raw materials with particle size ⁇ 6 mm, and the raw materials are placed in heating equipment.
  • the temperature is raised by 400 ° C at a rate of 4 ° C / minute, and the material is dried; the temperature is further raised to 600 ° C at a rate of 4 to 6 ° C / minute, and the temperature is kept for 40 to 60 minutes to dry the carbon and carbonize the raw materials;
  • the temperature is raised to 800 ° C at a rate of 4 to 6 ° C / minute, steam activation is carried out, the activation time is 20 to 60 minutes, and the activation temperature is 840 to 950 ° C. Therefore, the heating apparatus for preparing the above-mentioned active semi-coke filter adsorbent must be capable of operating at a temperature different from the preparation process.
  • prior art equipment for preparing such filtered adsorbent materials has not been reported so far. Summary of the invention
  • the present invention provides an active semi-coke filter adsorption material processing apparatus, comprising: a drum, one end of which is connected to a feeding bin, which is a material inlet; the other end is connected with a discharging device, which is a product outlet;
  • a heating chamber two side walls of the heating chamber and a plurality of gas burners are installed at the lower portion of the drum, and the drum is heated by the outer wall of the drum, and the temperature of each section of the heating chamber is controlled by adjusting the gas supply amount of each gas burner, and the feeding bin is connected from the drum. From one end, the heating is divided into the following temperature segments:
  • Heating section 1 operating temperature 20-400 ° C, heating rate 4-6 'C / min;
  • Heating section 2 operating temperature 400-600 °C, heating rate 4-6 °C / min;
  • Constant temperature section 1 operating temperature 600 ⁇ , constant temperature 40-60 minutes;
  • Heating section 3 operating temperature 600-800 'C, heating rate 6-8 ° C / min;
  • Activation section 2 Operating temperature 840-950'C, activation time is 20-60 minutes;
  • Cooling section 1 operating temperature 950-400'C ;
  • One end of the outer wall of the drum is provided with a transmission gear ring, and each end of the drum has a supporting roller ring, and the motor drives the roller to rotate in the heating chamber;
  • the fuel used for heating is the hot gas generated by the gas generator and the hot gas generated by the decomposition of coal during the operation of the unit;
  • the gas pipeline is a double pipeline system, and the gas turbine is used in the initial operation of the unit, when the predetermined temperature is reached,
  • the pipeline is switched, and the hot gas generated by the decomposition of coal in the unit is burned and heated.
  • the active semi-coke filter adsorption material processing device wherein one end of the drum connection feeding bin is connected with a gas collecting device, and the hot gas generated in the drum is sent to the gas burner for combustion by the gas collecting device.
  • the active semi-coke filter adsorption material processing device wherein a sealing device is installed at both ends of the roller in contact with the heating chamber, and the sealing device adopts a labyrinth or a steam type.
  • the active semi-coke filter adsorption material processing device wherein the inner wall of the drum is provided with a flipping plate, and the inner wall of the drum is in direct contact with the material.
  • the active semi-coke filter adsorption material processing device wherein a temperature measuring device is installed at each end of the drum to detect a feed temperature and a discharge temperature.
  • the active semi-coke filter adsorption material processing device wherein the motor that drives the drum to rotate is a variable frequency motor, and the rotation speed of the drum is 0.5-1.5 r/min.
  • the active semi-coke filter adsorption material processing device wherein the heating interior lining is a lightweight high alumina brick and a high aluminum fiber hybrid structure, the top of the heating chamber is a high aluminum poly light brick flat ceiling; the heating chamber side wall and the unit casing Between the lightweight insulation material.
  • the active semi-coke filter adsorption material processing device wherein the flue gas in the heating chamber is discharged by the exhaust port installed at the top of the unit; the exhaust port is provided with a residual hot water jacket to recover heat in the flue gas and reduce flue gas Temperature, heating steam boiler hydration.
  • the active semi-coke filter adsorption material processing device wherein a plurality of temperature measuring devices are installed on both sides of the heating chamber wall, and the temperature of each temperature segment is detected.
  • the active semi-coke filter adsorption material processing device wherein the device is connected to a control cabinet, and the control cabinet controls the operation of the device.
  • the active semi-coke filter adsorption material processing equipment wherein the material adopts anthracite, lean coal, lean coal, coke Coal, fat coal, gas coal, long flame coal, lignite, semi-coke, coke or basket charcoal.
  • the active semi-coke filter adsorbent processing equipment provided by the invention must be capable of meeting different temperatures required by the preparation process when preparing the active semi-coke filter adsorbent.
  • FIG. 1 is a schematic structural view of a device of the present invention
  • FIG. 2 is a device end view of the present invention.
  • the active semi-coke filter adsorption material processing device of the invention comprises a feeding bin, a screw feeder, a gas collecting device, a roller, a supporting roller ring, a transmission ring gear, a heating chamber wall, a reducer, a frequency conversion motor, a heating chamber, and a smoke exhausting device.
  • a feeding bin a screw feeder, a gas collecting device, a roller, a supporting roller ring, a transmission ring gear, a heating chamber wall, a reducer, a frequency conversion motor, a heating chamber, and a smoke exhausting device.
  • Port low pressure gas burner, temperature measuring device, turning plate, discharging device, small roller, steam inlet pipe, observation hole, feed temperature measuring device, discharge temperature measuring device, sealing device composition, combustion air fan, dust removal device , the remaining hot water jacket, the induced draft fan, the gas discharge machine, the unit casing and the like.
  • the drum making material of the device of the invention is made of heat-resistant stainless steel, can withstand the high temperature during operation of the unit, and can resist general acid-base salt corrosion.
  • the diameter of the drum is 600nm! ⁇ 2,000mm, length 18,000 ⁇ 28,000mm, the drum is divided into the following temperature segments according to the temperature curve:
  • Heating section 1 Operating temperature 20 ° C ⁇ 40 (TC, heating rate 4X: ⁇ 6 ° C / min;
  • Heating section 2 Operating temperature 400 ° C ⁇ 600 ° C, heating rate 4 ° C ⁇ 6 'C / min;
  • Constant temperature section 1 Operating temperature 600 ° C, constant temperature 40 ⁇ 60 minutes;
  • Heating section 3 Operating temperature 600'C ⁇ 800 °C, heating rate 6 °C ⁇ 8 °C / min;
  • Activation section 2 Operating temperature 840 ° C ⁇ 950 'C, activation time is 20 ⁇ 60 minutes;
  • Cooling section 1 Operating temperature 950 ° C ⁇ 400 ° C.
  • a sealing device is installed at a portion of the drum that is in contact with the heating chamber, and the sealing device is of a labyrinth or a steam type.
  • Each side of the drum is provided with a small roller of 1 meter length, and the inner wall of the roller is provided with a spoon-shaped turning plate, and the material of the turning plate is the same as that of the roller.
  • the inner wall of the drum is in direct contact with the material, and the upper and lower layers are alternately heated and heated uniformly.
  • the hot gas produced during the drying and drying of the material in the drum is collected by the gas collecting device at the front end of the drum and sent to the low-pressure gas burner for combustion. After the material exits the activation section, it enters the cooling section and is naturally cooled until it is discharged.
  • the roller has one supporting roller ring from the front and rear ends, and the outer wall of the roller is inlaid with the transmission gear ring, which is driven by the reducer and the variable frequency motor.
  • the drum design speed is 0.5 ⁇ 1.5r/min, and the frequency conversion stepless speed regulation.
  • the drum is mounted at an angle of 2°.
  • In the middle of the unit is a heating chamber, which externally heats the outer wall of the drum.
  • a low-pressure gas burner is installed on both side walls of the heating chamber, and the air required for combustion is provided by the combustion-supporting fan. The low-pressure gas burner is located at the lower portion of the drum to prevent the flame from the low-pressure gas burner from directly contacting the drum.
  • the low-pressure gas burners are set up according to the temperature curve with 10 ⁇ 16 branches, which are arranged on the two side walls of the heating chamber.
  • the temperature of each section of the heating chamber is controlled by adjusting the gas supply volume of each low-pressure gas burner to ensure the active semi-coke filter adsorption material.
  • the invention provides the hot gas generated by the unit fuel for the gas generator and the hot gas generated by the decomposition of the coal dry during the operation of the unit.
  • the gas pipeline is designed according to the double pipeline system, and the gas generator hot gas is used during the initial operation of the unit. The temperature inside reaches a certain height.
  • the inner wall of the heating chamber is made of light enamel aluminum brick and high aluminum fiber.
  • the top of the heating chamber is ⁇ aluminum poly light brick flat ceiling. It is easy to disassemble when repairing the drum.
  • the lightweight insulation material between the heating chamber side wall and the unit casing is small, and the temperature rises quickly.
  • the unit casing is made of steel and steel.
  • the flue gas in the heating chamber of the unit is discharged from the exhaust port installed at the top of the unit.
  • the exhaust port is connected with the residual hot water jacket and the induced draft fan.
  • the induced draft fan adopts frequency conversion speed regulation.
  • the residual hot water jacket is used to recover the heat in the flue gas and reduce the smoke. Gas temperature, heating steam boiler hydration.
  • a plurality of temperature measuring devices are installed on both sides of the heating chamber wall to detect the temperature of each temperature section, and a temperature measuring device is installed at the head and the tail of the unit to detect the feeding temperature and the discharging temperature.
  • the unit is provided with a control cabinet and a control cabinet. Install 20 digital display meters, frequency conversion motor inverter and induced draft fan inverter and screw feeder inverter, power switch and low voltage electrical appliances.
  • the mixed gas such as hot gas generated during the processing of the material in the drum is collected by the gas collecting device at the front end of the drum, and is processed by the dust removing device, and then sent to the low-pressure gas burner of the unit for combustion.
  • a sealing device is arranged between the gas collecting device and the drum, and the sealing device can be a labyrinth or a steam type.
  • the front end of the drum is equipped with a screw feeder and a loading bin, and the feeding speed of the screw feeder is adjusted by the frequency converter controller.
  • a discharge device is installed at the rear end of the drum, and an observation hole and a steam inlet pipe are provided at the end surface of the drum.
  • a sealing device is arranged between the discharging device and the drum, and the sealing device can be a labyrinth or a steam type.
  • the active semi-coke filter adsorption material of the invention adopts anthracite, lean coal, lean coal, coking coal, fat coal, gas coal, long flame coal, lignite, semi-coke, coke, basket carbon as raw materials, dried, dry distillation, Carbonization, activation preparation
  • the material of the drum 4 of the device of the invention is made of heat-resistant stainless steel, which can withstand the high temperature of the unit during operation, and can resist the corrosion of common acid-base salts.
  • the diameter of the drum is 600mm ⁇ 2,000mm, and the length is 18,000 ⁇ 28,000mm.
  • the drum 4 is divided into the following temperature sections according to the temperature curve - the heating section 1: the operating temperature is 20'C ⁇ 400'C, and the heating rate is 4 °C ⁇ 6' C/min ;
  • Heating section 2 Operating temperature 400 ° C ⁇ 600 'C, heating rate 4 ° C ⁇ 6 ° C / min;
  • Constant temperature section 1 Operating temperature 600 ° C, constant temperature 40 ⁇ 60 minutes;
  • Heating section 3 Operating temperature 600 ° C ⁇ 800 ° C, heating rate 6 ° C ⁇ 8 ° C / min;
  • Activation section 2 Operating temperature 840'C ⁇ 950'C, activation time is 20 ⁇ 60 minutes;
  • Cooling section 1 Operating temperature 950 ° C ⁇ 400 'C.
  • a sealing device 21 is mounted at a portion of the drum 4 which is in contact with the heating chamber 10, and the sealing device 21 is of a labyrinth or a steam type.
  • the two ends of the drum 4 are respectively provided with a small drum 16 of 1 meter long, and the inner wall of the drum 4 is provided with a spoon-shaped flipping plate 14.
  • the material of the turning plate 14 is the same as that of the drum 4, and the inner wall of the drum 4 is in direct contact with the material, and the upper and lower materials can be alternated. Heated and heated evenly.
  • the hot gas generated in the drying and retorting stage of the material in the drum 4 is collected by the gas collecting means 27 at the front end of the drum 4 and sent to the low-pressure gas burner 12.
  • the drum 4 has one support ring 5 from the front and rear ends, and the outer ring of the drum 4 is inlaid with a transmission ring gear 6, which is driven by a speed reducer 8 and a variable frequency motor 9.
  • the design speed of the drum 4 is 0.5 ⁇ 1.5r/min, and the frequency conversion stepless speed regulation.
  • the drum 4 is mounted at an inclination of 2°.
  • the heating chamber 10 In the middle of the unit is the heating chamber 10, which heats the outer wall of the drum 4 from the outside.
  • a low-pressure gas burner 12 is mounted on the heating chamber wall 7 on both sides, and the air required for combustion is provided by the combustion-supporting fan 22, and the low-pressure gas burner 12 is located at the lower portion of the drum 4 to prevent the flame from being blown directly by the low-pressure gas burner 12 4 contact.
  • the low-pressure gas burners 12 are arranged in a total of 10 to 16 sections according to the temperature profile, and are arranged on the heating chamber walls 7 on both sides. The temperature of each section in the heating chamber 10 is controlled by adjusting the supply amount of each low-pressure gas burner 12 to ensure the activity.
  • the invention provides the hot gas generated by the unit fuel for the gas generator and the hot gas generated by the decomposition of the coal during the operation of the unit.
  • the gas pipeline is designed according to the double pipeline system, and the gas generator hot gas is used during the initial operation of the unit. The temperature reaches a certain height.
  • the inner lining of the heating chamber wall 7 is a lightweight high-aluminum brick and a high-aluminum fiber hybrid structure
  • the top of the heating chamber 10 is a high-aluminum poly light brick flat ceiling, and the drum 4 is easily disassembled during maintenance, and between the heating chamber wall 7 and the unit casing 27
  • the unit casing 27 is of a steel and steel plate structure.
  • the flue gas in the heating chamber 10 of the unit is discharged by the exhaust port 11 installed at the top of the unit, the exhaust port 11 is provided with a residual hot water jacket 24, an induced draft fan 25, the induced draft fan 25 adopts frequency conversion speed regulation, and the residual hot water jacket 24 is used for recycling.
  • a plurality of temperature measuring devices 13 are installed on the heating chamber wall 7, and the temperature of each temperature section is detected.
  • One temperature measuring device 13 is installed at the head and the tail of the unit to detect the feeding temperature and the discharging temperature, and the unit is provided with one control cabinet.
  • 20 digital display meters, variable frequency motor 9 inverter and induced draft fan 25 inverter and screw feeder 2 inverter, as well as power switch and low voltage electrical appliances are installed in the control cabinet.
  • the mixed gas such as hot gas generated during the processing of the material in the drum 4 is collected by the front end gas collecting device 3 of the drum 4, and processed by the dust removing device 23, and then sent to the low-pressure gas burner of the unit by the gas discharging machine 26. 12 burning.
  • a sealing device 21 is provided between the gas collecting device 3 and the drum 4, and the sealing device 21 can be a labyrinth or a steam type.
  • the front end of the drum 4 is equipped with a screw feeder 2, a feeding bin 1, a screw feeder 2 feeding speed is adjusted by a frequency conversion controller.
  • a discharge device 15 is attached to the rear end of the drum 4, and a front end of the drum 4 is provided with an observation hole 18 and a steam inlet pipe 17.
  • a sealing device 21 is provided between the discharging device 15 and the drum 4 body, and the sealing device 21 can be a labyrinth or a steam type.
  • the active semi-coke filter adsorption material of the invention is anthracite, lean coal, lean coal, coking coal, fat coal, gas coal, long flame coal, lignite, semi-coke, coke, basket carbon as raw materials, dried, thousand A coal-mass adsorbent material prepared by distillation, carbonization, activation, and used for treating industrial wastewater or municipal sewage.
  • the drum 4 of the equipment of the invention is made of heat-resistant stainless steel 310S (Cr25Ni20), which can withstand the high temperature of the unit during operation and can resist the corrosion of common acid-base salts.
  • the drum 4 has a diameter of 2,000 mm and a length of 28,000 mm.
  • the drum 4 is divided into the following temperature sections according to the temperature curve - the heating section 1 :
  • a sealing device 21 is mounted at a portion of the drum 4 which is in contact with the heating chamber 10, and the sealing device 21 is of a labyrinth or a steam type.
  • Each of the two ends of the drum 4 is provided with a small drum 16 of 1 meter long, and the inner wall of the drum 4 is provided with a spoon-shaped turning plate 14 .
  • the material of the turning plate 14 is the same as that of the drum 4 , and the inner wall of the drum 4 is in direct contact with the material, and the upper and lower materials are alternately heated. , heating evenly.
  • the hot gas generated in the drying and retorting stage of the material in the drum 4 is collected by the gas collecting device 3 at the front end of the drum 4 and sent to the low-pressure gas burner 12. After the material exits the activation section, it enters the cooling section and is naturally cooled until it is discharged.
  • the drum 4 has a support ring 5 at each of the front and rear ends, and the outer ring of the drum 4 is inlaid with a transmission ring gear 6, which is driven by a speed reducer 8 and a variable frequency motor 9.
  • the design speed of the drum 4 is 0.5 ⁇ 1.5r/mi n , and the frequency conversion stepless speed regulation.
  • the drum 4 is mounted with an inclination of 2. .
  • a heating chamber 10 which is externally heated by the outer wall of the drum 4.
  • a low-pressure gas burner 12 is installed on both sides of the heating chamber wall 7, and the air required for combustion is provided by the combustion-supporting fan 22, and the low-pressure gas burner 12 is located at the lower portion of the drum 4 to prevent the flame from the low-pressure gas burner 12 from directly colliding with the drum 4. contact.
  • the low-pressure gas burner 12 is provided with 10 to 16 branches according to the temperature curve, and is arranged on both sides of the heating chamber wall 7.
  • the temperature of each section in the heating chamber 10 is controlled by adjusting the air supply amount of each low-pressure gas burner 12 to ensure the active half.
  • the temperature, heating time and constant temperature time required for the preparation process of the coke filter adsorbent is controlled by adjusting the air supply amount of each low-pressure gas burner 12 to ensure the active half.
  • the invention provides the hot gas generated by the unit fuel for the gas generator and the hot gas generated by the decomposition of the coal during the operation of the unit.
  • the gas pipeline is designed according to the double pipeline system, and the gas generator hot gas is used during the initial operation of the unit. The temperature reaches a certain height.
  • the inner lining of the heating chamber wall 7 is a lightweight high-aluminum brick and a high-aluminum fiber hybrid structure, and the top of the heating chamber 10 is a high-aluminum poly light brick flat ceiling, and the drum 4 is easily disassembled for maintenance, and between the heating chamber wall 7 and the unit casing 27 For lightweight insulation materials, it has less heat dissipation and faster heating.
  • the unit casing 27 is made of steel and steel.
  • the flue gas in the heating chamber 10 of the unit is discharged by the exhaust port II installed at the top of the unit, the exhaust port 11 is equipped with a residual hot water jacket 24, an induced draft fan 25, the induced draft fan 25 adopts frequency conversion speed regulation, and the residual hot water jacket 24 is used for recycling.
  • the heat in the flue gas, the temperature of the flue gas is reduced, and the steam boiler is heated to replenish water.
  • a plurality of temperature measuring devices 13 are installed on the heating chamber wall 7, and the temperature of each temperature section is detected.
  • One temperature measuring device 13 is installed at the head and the tail of the unit to detect the feeding temperature and the discharging temperature, and the temperature detecting device selects the thermocouple. Use the compensation wire to transmit the thermocouple signal to the instrument cabinet, shielded with metal hose.
  • the unit is equipped with 1 control cabinet, 20 digital display meters installed in the control cabinet, variable frequency motor 9 inverter and induced draft fan 25 inverter and screw feeder 2 inverter And power switches and low-voltage electrical appliances.
  • the mixed gas such as hot gas generated during the processing of the material in the drum 4 is collected by the front end gas collecting device 3 of the drum 4, and processed by the dust removing device 23, and then sent to the low-pressure gas burner of the unit by the gas discharging machine 26. 12 burning.
  • a sealing device 21 is provided between the gas collecting device 3 and the drum 4, and the sealing device 21 can be a labyrinth or a steam type.
  • the front end of the drum 4 is equipped with a screw feeder 2, a feeding bin 1 , and a feeding speed of the screw feeder 2 is adjusted by a frequency conversion controller.
  • a discharge device 15 is attached to the rear end of the drum 4, and a front end of the drum 4 is provided with an observation hole 18 and a steam inlet pipe 17.
  • a sealing device 21 is provided between the discharging device 15 and the drum 4 body, and the sealing device 21 can be a labyrinth or a steam type.
  • the active semi-coke filter adsorption material of the invention adopts anthracite, lean coal, coal, coking coal, fat coal, gas coal, long flame coal, lignite, semi-coke, coke, basket carbon as raw materials, dried and dried , carbonized, activated, prepared for the treatment of industrial wastewater or municipal sewage coal filter adsorption materials.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
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  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Treating Waste Gases (AREA)

Description

一种活性半焦过滤吸附料加工设备
技术领域
本发明属于一种材料加工设备， 特别涉及一种将无烟煤、 贫煤、 瘦煤、 焦煤、 肥 煤、 气煤、 长焰煤、 褐煤、 焦炭、 篮炭加工成用于处理工业废水、 污水的活性半焦过 滤吸附材料的设备。 背景技术
在现代环保工业中， 工业废水、 污水的处理有多种方法， 其中以采用无烟煤、 贫 煤、 瘦煤、 焦煤、 肥煤、 气煤、 长焰煤、 褐煤、 焦炭、 篮炭为原料制备成的、 碘吸附 值为 400~800mg/g 的活性半焦过滤吸附料处理工业废水、 城市污水是一项重要的发 明。 公知的制备过程为： 将无烟煤、 贫煤、 瘦煤、 焦煤、 肥煤、 气煤、 长焰煤、 褐煤、 焦炭、 篮炭破碎、 筛分成粒径 <6mm的原料， 将原料置于加热设备中以 4°C/分钟速率 升温 400'C，对物料进行干燥处理；继续以 4〜6°C/分钟的速率升温至 600 °C，恒温 40〜 60分钟， 使原料干馏和炭化； 再继续以 4~6'C/分钟的速率升温至 800°C时加入水蒸气 活化， 活化的时间为 20〜60分钟， 活化温度为 840〜950°C。 因此制备上述活性半焦 过滤吸附料的加热设备在运行时须能够满足制备工艺要求不同的温度。 然而现有技术 中制备此种过滤吸附材料的设备至今未见报道。 发明内容
本发明的目的在于提供一种活性半焦过滤吸附料加工设备， 以克服公知技术存在 的缺陷。
为实现上述目的， 本发明提供的活性半焦过滤吸附料加工设备， 包括有： 一滚筒， 其一端连接加料仓， 为物料进口； 另一端连接出料装置， 为产品出口； 该滚筒套中部设于加热室中， 加热室两侧壁且滚筒下部安装有数个煤气燃烧嘴， 由滚筒外壁对滚筒加热，通过调节各个煤气燃烧嘴的供气量控制加热室内各段的温度， 自滚筒连接加料仓一端起， 加热分为如下温度段：
升温段 1 : 运行温度 20-400°C， 升温速率 4-6'C/min;
升温段 2: 运行温度 400-600 °C， 升温速率 4-6°C/min;
恒温段 1 : 运行温度 600Ό , 恒温 40-60分钟； 升温段 3: 运行温度 600-800 'C， 升温速率 6-8°C/min;
活化段 2: 运行温度 840-950'C , 活化的时间为 20-60分钟；
降温段 1 : 运行温度 950-400'C ;
滚筒外壁的一端设有传动齿轮圈， 滚筒两端各有一支撑滚圈， 由电机带动该滚筒 于加热室中转动；
加热所用燃料为煤气发生炉产生的热煤气和机组运行过程中煤干馏分解产生的热 煤气； 燃气管路为双管路系统， 机组初始运行时采用煤气发生炉热煤气， 当达到预定 温度时， 机组内的煤干馏后分解产生热煤气时切换管道， 利用机组内的煤干馏分解产 生的热煤气燃烧加热。
所述的活性半焦过滤吸附料加工设备， 其中， 滚筒连接加料仓的一端连接有集气 装置， 物料在滚筒内产生的热煤气由该集气装置送至煤气燃烧嘴燃烧。
所述的活性半焦过滤吸附料加工设备， 其中， 滚筒与加热室接触的两端部位安装 有密封装置， 密封装置采用迷宫式或蒸汽式。
所述的活性半焦过滤吸附料加工设备， 其中， 滚筒内壁安装翻料板， 滚筒内壁与 物料直接接触。
所述的活性半焦过滤吸附料加工设备， 其中， 滚筒两端各安装有测温装置， 检测 进料温度和出料温度。
所述的活性半焦过滤吸附料加工设备， 其中， 驱动滚筒转动的电机为变频电机， 滚筒转速为 0.5-1.5r/min。
所述的活性半焦过滤吸附料加工设备， 其中， 加热室内衬为轻质高铝砖和高铝纤 维混合结构， 加热室顶部为高铝聚轻砖平吊顶； 加热室侧墙与机组外壳之间为轻质保 温材料。
所述的活性半焦过滤吸附料加工设备， 其中， 加热室内的烟气由机组顶部安装的 排烟口排出； 该排烟口安装有余热水套， 以回收烟气中的热量、 降低烟气温度、 加热 蒸汽锅炉补水。
所述的活性半焦过滤吸附料加工设备， 其中， 加热室壁两侧上安装有多个测温装 置， 检测每个温度段的温度。
所述的活性半焦过滤吸附料加工设备， 其中， 设备连接一控制柜， 由该控制柜控 制设备的运行。
所述的活性半焦过滤吸附料加工设备， 其中， 物料采用无烟煤、 贫煤、 瘦煤、 焦 煤、 肥煤、 气煤、 长焰煤、 褐煤、 半焦、 焦炭或篮炭。
本发明提供的活性半焦过滤吸附料加工设备， 在制备活性半焦过滤吸附料运行时 须能够满足制备工艺要求的不同温度。 附图说明
图 1为本发明的设备结构示意图；
图 2为本发明的设备端视图。
图中标记： 1-加料仓、 2-螺旋给料机、 3-集气装置、 4-滚筒、 5-支撑滚圈、 6-传动 齿圈、 7-加热室壁、 8-减速机、 9-变频电机、 10-加热室、 11-排烟口、 12-低压煤气燃烧 嘴、 13-测温装置、 14-翻料板、 15-出料装置、 16-小滚筒、 17-蒸汽输入管、 18-观察孔、 19-进料测温装置、 20-出料测温装置、 21-密封装置、 22-助燃风机、 23-除尘装置、 24- 余热水套、 25-引风机、 26-煤气排送机、 27-机组外壳。 具体实施方式
本发明的活性半焦过滤吸附料加工设备， 由加料仓、 螺旋给料机、 集气装置、 滚 筒、 支撑滚圈、 传动齿圈、 加热室壁、 减速机、 变频电机、 加热室、 排烟口、 低压煤 气燃烧嘴、 测温装置、 翻料板、 出料装置、 小滚筒、 蒸汽输入管、 观察孔、 进料测温 装置、 出料测温装置、 密封装置组成、 助燃风机、 除尘装置、 余热水套、 引风机、 煤 气排送机、 机组外壳等组成。
本发明设备的滚筒制作材料选用耐热不锈钢， 能够承受机组运行时的高温， 能够 抵御一般酸碱盐腐蚀。 滚筒直径为 600nm！〜 2,000mm， 长度 18,000〜28，000mm， 滚筒 按温度曲线划分为如下温度段：
升温段 1 : 运行温度 20°C ~40(TC， 升温速率 4X：〜 6°C/min ；
升温段 2: 运行温度 400°C ~600'C， 升温速率 4°C〜6'C/min ；
恒温段 1 : 运行温度 600°C , 恒温 40~60分钟；
升温段 3 : 运行温度 600'C ~800°C， 升温速率 6°C〜8°C/min ；
活化段 2: 运行温度 840°C ~950'C， 活化的时间为 20〜60分钟；
降温段 1： 运行温度 950°C〜400°C。
滚筒两端与加热室接触的部位安装密封装置， 密封装置采用迷宫式或蒸汽式。 滚 筒两端各带 1米长的小滚筒， 滚筒内壁安装挖勺状翻料板， 翻料板材质与滚筒相同， 滚筒内壁与物料直接接触， 上、 下层物料交替受热， 加热均匀。 物料在滚筒内干燥及 干镏阶段产生的热煤气， 由滚筒前端的集气装置收集后送至低压煤气燃烧嘴燃烧。 物 料出活化段后进入降温段， 自然冷却， 直至出料。 滚筒由前后端各有 1个支撑滚圈， 滚筒外壁镶嵌传动齿轮圈， 由减速机、 变频电机驱动。 滚筒设计转速 0.5〜1.5r/min， 变频无级调速。 滚筒安装倾角为 2°。 在机组中部为加热室， 由外部加热滚筒外壁。 加 热室两侧壁上安装有低压煤气燃烧嘴， 由助燃风机提供燃烧时所需的空气， 低压煤气 燃烧嘴位于滚筒下部， 避免低压煤气燃烧嘴喷出的火焰直接与滚筒接触。 低压煤气燃 烧嘴按照温度曲线共设 10〜16支， 在加热室两侧壁上交叉布置， 通过调节各个低压煤 气燃烧嘴的供气量控制加热室内各段的温度， 保证活性半焦过滤吸附料制备工艺要求 的温度、 升温时间和恒温时间。 本发明提供机组燃料为煤气发生炉产生的热煤气和机 组运行过程中煤干镏分解产生的热煤气， 燃气管路按照双管路系统设计， 机组初始运 行时采用煤气发生炉热煤气， 当机组内的温度达到一定高度， 机组内的煤干馏后分解 产生热煤气时切换管道， 利用机组内的煤干馏分解产生的热煤气燃烧加热。
加热室壁内衬为轻质髙铝砖和高铝纤维混合结构，加热室顶部为髙铝聚轻砖平吊 顶， 维修滚筒时拆卸方便， 加热室侧墙与机组外壳之间为轻质保温材料， 蓄散热量少， 升温快。 机组外壳为型钢、 钢板结构。
机组加热室内的烟气由机组顶部安装的排烟口排出， 排烟口与余热水套、 引风机 连接， 引风机采用变频调速， 余热水套用于回收烟气中的热量、 降低烟气温度、 加热 蒸汽锅炉补水。
加热室壁两侧上安装多个测温装置， 检测每个温度段的温度， 在机组头、 尾安装 有测温装置， 检测进料温度和出料温度， 机组设 1台控制柜， 控制柜内安装 20个数显 表，变频电机变频器和引风机变频器和螺旋给料机变频器以及电源开关及低压电器等。
滚筒内的物料在加工过程中产生的热煤气等混合气体由滚筒前端集气装置收集， 并经除尘装置处理后由煤气排送机， 将热煤气送至机组低压煤气燃烧嘴燃烧。 集气装 置与滚筒之间设有密封装置， 密封装置可以采用迷宫式、 蒸汽式。
滚筒的前端安装有螺旋给料机、 加料仓， 螺旋给料机加料速度通过变频控制器调 整。 滚筒的后端安装有出料装置， 滚筒的端面设有观察孔及蒸汽通入管。 出料装置与 滚筒之间设有密封装置， 密封装置可以采用迷宫式、 蒸汽式。
本发明所述的活性半焦过滤吸附材料为采用无烟煤、 贫煤、 瘦煤、 焦煤、 肥煤、 气煤、 长焰煤、 褐煤、 半焦、 焦炭、 篮炭为原料， 经干燥、 干馏、 碳化、 活化制备而 成、 用于处理工业废水或城市污水的煤质过滤吸附材料。
下面结合附图进行描述：
本发明设备的滚筒 4制作材料选用耐热不锈钢能够承受机组运行时的高温， 能够 抵御一般酸碱盐腐蚀。 滚筒直径为 600mm〜2，000mm， 长度 18，000~28,000mm， 滚筒 4按温度曲线划分为如下温度段- 升温段 1 : 运行温度 20'C〜400'C， 升温速率 4°C〜6'C/min ；
升温段 2: 运行温度 400°C〜600'C , 升温速率 4°C〜6°C/min ；
恒温段 1 : 运行温度 600°C， 恒温 40〜60分钟；
升温段 3 : 运行温度 600°C〜800°C， 升温速率 6°C〜8°C/min ；
活化段 2: 运行温度 840'C〜950'C , 活化的时间为 20〜60分钟；
降温段 1 : 运行温度 950°C〜400'C。
滚筒 4两端与加热室 10接触的部位安装密封装置 21， 密封装置 21采用迷宫式或 蒸汽式。 滚筒 4两端各带 1米长的小滚筒 16, 滚筒 4内壁安装挖勺状翻料板 14， 翻料 板 14材质与滚筒 4相同， 滚筒 4内壁与物料直接接触， 上、 下层物料能够交替受热， 加热均匀。 物料在滚筒 4内干燥及干馏阶段产生的热煤气， 由滚筒 4前端的集气装置 27收集后送至低压煤气燃烧嘴 12。物料出活化段后进入降温段， 自然冷却，直至出料。 滚筒 4由前后端各有 1个支撑滚圈 5， 滚筒 4外壁镶嵌传动齿圈 6, 由减速机 8、 变频 电机 9驱动。 滚筒 4设计转速 0.5〜1.5r/min， 变频无级调速。 滚筒 4安装倾角为 2°。
在机组中部为加热室 10， 由外部加热滚筒 4的外壁。两侧加热室壁 7上安装有低 压煤气燃烧嘴 12， 由助燃风机 22提供燃烧时所需的空气， 低压煤气燃烧嘴 12位于滚 筒 4下部， 避免低压煤气燃烧嘴 12喷出的火焰直接与滚筒 4接触。 低压煤气燃烧嘴 12按照温度曲线共设 10〜16支， 在两侧加热室壁 7上交叉布置， 通过调节各个低压 煤气燃烧嘴 12的供气量控制加热室 10内各段的温度， 保证活性半焦过滤吸附料制备 工艺要求的温度、 升温时间和恒温时间。 本发明提供机组燃料为煤气发生炉产生的热 煤气和机组运行过程中煤干馏分解产生的热煤气， 燃气管路按照双管路系统设计， 机 组初始运行时采用煤气发生炉热煤气， 当机组内的温度达到一定高度， 机组内的煤干 馏后分解产生热煤气时切换管道， 利用机组内的煤干馏分解产生的热煤气燃烧加热。 加热室壁 7的内衬为轻质高铝砖和高铝纤维混合结构，加热室 10顶部为高铝聚轻砖平 吊顶， 滚筒 4维修时拆卸方便， 加热室壁 7与机组外壳 27之间为轻质保温材料， 蓄散 热量少， 升温快。 机组外壳 27为型钢、 钢板结构。 机组加热室 10内的烟气由机组顶部安装的排烟口 11排出， 排烟口 11安装有余 热水套 24、引风机 25，引风机 25采用变频调速，余热水套 24用于回收烟气中的热量、 降低烟气温度、 加热蒸汽锅炉补水。 加热室壁 7上安装多个测温装置 13， 检测每个温 度段的温度， 在机组头、 尾各安装 1个测温装置 13， 检测进料温度和出料温度， 机组 设 1台控制柜， 控制柜内安装 20个数显表， 变频电机 9变频器和引风机 25变频器和 螺旋给料机 2变频器以及电源开关及低压电器等。
滚筒 4内的物料在加工过程中产生的热煤气等混合气体由滚筒 4前端集气装置 3 收集， 并经除尘装置 23处理后由煤气排送机 26， 将热煤气送至机组低压煤气燃烧嘴 12燃烧。 集气装置 3与滚筒 4之间设有密封装置 21 , 密封装置 21可以采用迷宫式、 蒸汽式。
滚筒 4的前端安装有螺旋给料机 2、 加料仓 1， 螺旋给料机 2加料速度通过变频 控制器调整。 滚筒 4的后端安装有出料装置 15， 滚筒 4的前端设有观察孔 18及蒸汽 输入管 17。出料装置 15与滚筒 4体之间设有密封装置 21 , 密封装置 21可以采用迷宫 式、 蒸汽式
本发明所述的活性半焦过滤吸附材料为釆用无烟煤、 贫煤、 瘦煤、 焦煤、 肥煤、 气煤、 长焰煤、 褐煤、 半焦、 焦炭、 篮炭为原料， 经干燥、 千馏、 碳化、 活化制备而 成、 用于处理工业废水或城市污水的煤质过滤吸附材料。
实施例 1 :
本发明设备的滚筒 4制作材料选用耐热不锈钢 310S (Cr25Ni20), 能够承受机组 运行时的高温， 能够抵御一般酸碱盐腐蚀。 滚筒 4直径为 2,000mm， 长度 28,000mm， 。 滚筒 4按温度曲线划分为如下温度段- 升温段 1 :
运行温度 20'C〜400'C， 升温速率 4°C〜6°C/min ， 该段滚筒长度 8,000mm， 升温段 2:
运行温度 400'C〜600°C , 升温速率 4：〜 6°C/min , 该段滚筒长度 4,000mm， 恒温段 1 :
运行温度 600°C , 恒温 40〜60分钟， 该段滚筒长度 3，000mm，
升温段 3:
运行温度 600°C〜80(TC , 升温速率 6'C~8°C/min ， 该段滚筒长度 3，000mm， 活化段 2: 运行温度 840°C〜950'C , 活化时间 20〜60分钟， 该段滚筒长度 5,000mm, 降温段 1 :
运行温度 950°C〜40(TC， 该段滚筒长度 5,000mm，
滚筒 4两端与加热室 10接触的部位安装密封装置 21 , 密封装置 21采用迷宫式或 蒸汽式。滚筒 4两端各带 1米长的小滚筒 16， 滚筒 4内壁安装挖勺状翻料板 14， 翻料 板 14材质与滚筒 4相同， 滚筒 4内壁与物料直接接触， 上、 下层物料交替受热， 加热 均匀。 物料在滚筒 4内干燥及干馏阶段产生的热煤气， 由滚筒 4前端的集气装置 3收 集后送至低压煤气燃烧嘴 12。 物料出活化段后进入降温段， 自然冷却， 直至出料。
滚筒 4由前后端各有 1个支撑滚圈 5， 滚筒 4外壁镶嵌传动齿圈 6, 由减速机 8、 变频电机 9驱动。 滚筒 4设计转速 0.5〜1.5r/min， 变频无级调速。 滚筒 4安装倾角为 2。。
在机组中部为加热室 10， 由外部加热滚筒 4的外壁。加热室壁 7两侧安装有低压 煤气燃烧嘴 12， 由助燃风机 22提供燃烧时所需的空气， 低压煤气燃烧嘴 12位于滚筒 4下部， 避免低压煤气燃烧嘴 12喷出的火焰直接与滚筒 4接触。 低压煤气燃烧嘴 12 按照温度曲线共设 10〜16支， 在加热室壁 7两侧交叉布置， 通过调节各个低压煤气燃 烧嘴 12的供气量控制加热室 10内各段的温度， 保证活性半焦过滤吸附料制备工艺要 求的温度、 升温时间和恒温时间。 本发明提供机组燃料为煤气发生炉产生的热煤气和 机组运行过程中煤干馏分解产生的热煤气， 燃气管路按照双管路系统设计， 机组初始 运行时采用煤气发生炉热煤气， 当机组内的温度达到一定高度， 机组内的煤干馏后分 解产生热煤气时切换管道， 利用机组内的煤干馏分解产生的热煤气燃烧加热。
加热室壁 7的内衬为轻质高铝砖和高铝纤维混合结构， 加热室 10顶部为高铝聚 轻砖平吊顶，滚筒 4维修时拆卸方便，加热室壁 7与机组外壳 27之间为轻质保温材料， 蓄散热量少， 升温快。 机组外壳 27为型钢、 钢板结构。
机组加热室 10内的烟气由机组顶部安装的排烟口 I I排出，排烟口 11安装有余热 水套 24、 引风机 25， 引风机 25采用变频调速， 余热水套 24用于回收烟气中的热量、 降低烟气温度、 加热蒸汽锅炉补水。
加热室壁 7上安装多个测温装置 13， 检测每个温度段的温度， 在机组头、尾各安 装 1个测温装置 13， 检测进料温度和出料温度， 温度检测装置选用热电偶， 使用补偿 导线将热电偶信号传送至仪表柜， 采用金属软管屏蔽保护。 机组设 1 台控制柜， 控制 柜内安装 20个数显表， 变频电机 9变频器和引风机 25变频器和螺旋给料机 2变频器 以及电源开关及低压电器等。
滚筒 4内的物料在加工过程中产生的热煤气等混合气体由滚筒 4前端集气装置 3 收集， 并经除尘装置 23处理后由煤气排送机 26， 将热煤气送至机组低压煤气燃烧嘴 12燃烧。 集气装置 3与滚筒 4之间设有密封装置 21 , 密封装置 21可以采用迷宫式、 蒸汽式。
滚筒 4的前端安装有螺旋给料机 2、 加料仓 1 , 螺旋给料机 2加料速度通过变频 控制器调整。 滚筒 4的后端安装有出料装置 15， 滚筒 4的前端设有观察孔 18及蒸汽 输入管 17。 出料装置 15与滚筒 4体之间设有密封装置 21， 密封装置 21可以采用迷宫 式、 蒸汽式
本发明所述的活性半焦过滤吸附材料为采用无烟煤、 贫煤、 痩煤、 焦煤、 肥煤、 气煤、 长焰煤、 褐煤、 半焦、 焦炭、 篮炭为原料， 经干燥、 干镏、 碳化、 活化制备而 成、 用于处理工业废水或城市污水的煤质过滤吸附材料。

Claims

权 利 要 求
1、 一种活性半焦过滤吸附料加工设备， 包括有：
一滚筒， 其一端连接加料仓， 为物料进口； 另一端连接出料装置， 为产品出口： 该滚筒中部设于加热室中， 加热室两侧壁且滚筒下部安装有数个煤气燃烧嘴， 由 滚筒外壁对滚筒加热， 通过调节各个煤气燃烧嘴的供气量控制加热室内各段的温度， 自滚筒连接加料仓一端起， 加热分为如下温度段- 升温段 1 : 运行温度 20-400'C， 升温速率 4-6°C/min;
升温段 2: 运行温度 400-60(TC， 升温速率 4-6'C/min;
恒温段 1 : 运行温度 600'C， 恒温 40-60分钟；
升温段 3: 运行温度 600-800 °C， 升温速率 6-8°C/min;
活化段 2: 运行温度 840-950'C， 活化的时间为 20-60分钟；
降温段 1 : 运行温度 950-400 °C ;
滚筒外壁的一端设有传动齿轮圈， 滚筒两端各有一支撑滚圈， 由电机带动该滚筒 于加热室中转动；
加热所用燃料为煤气发生炉产生的热煤气和机组运行过程中煤干馏分解产生的热 煤气； 燃气管路为双管路系统， 机组初始运行时采用煤气发生炉热煤气， 当达到预定 温度时， 机组内的煤干馏后分解产生热煤气时切换管道， 利用机组内的煤干馏分解产 生的热煤气燃烧加热。
2、 如权利要求 1所述的活性半焦过滤吸附料加工设备， 其中， 滚筒连接加料仓的 一端连接有集气装置， 物料在滚筒内产生的热煤气由该集气装置收集送至煤气燃烧嘴 燃烧。
3、 如权利要求 1所述的活性半焦过滤吸附料加工设备， 其中， 滚筒与加热室接触 的两端部位安装有密封装置， 密封装置采用迷宫式或蒸汽式。
4、如权利要求 1所述的活性半焦过滤吸附料加工设备， 其中， 滚筒内壁安装翻料 板， 滚筒内壁与物料直接接触。
5、 如权利要求 1所述的活性半焦过滤吸附料加工设备， 其中， 滚筒两端各安装有 测温装置， 检测进料温度和出料温度。
6、 如权利要求 1所述的活性半焦过滤吸附料加工设备， 其中， 驱动滚筒转动的电 机为变频电机， 滚筒转速为 0.5-1.5r/min。
7、 如权利要求 1所述的活性半焦过滤吸附料加工设备， 其中， 加热室内衬为轻质 高铝砖和高铝纤维混合结构， 加热室顶部为高铝聚轻砖平吊顶； 加热室侧墙与机组外 壳之间为轻质保温材料。
8、 如权利要求 1或 7所述的活性半焦过滤吸附料加工设备， 其中， 加热室内的烟 气由机组顶部安装的排烟口排出； 该排烟口安装有余热水套， 以回收烟气中的热量、 降低烟气温度、 加热蒸汽锅炉补水。
9、 如权利要求 1所述的活性半焦过滤吸附料加工设备， 其中， 加热室壁两侧上安 装有多个测温装置， 检测每个温度段的温度。
10、 如权利要求 1所述的活性半焦过滤吸附料加工设备， 其中， 设备连接一控制 柜， 由该控制柜控制设备的运行。
11、 如权利要求 1所述的活性半焦过滤吸附料加工设备， 其中， 物料采用无烟煤、 贫煤、 瘦煤、 焦煤、 肥煤、 气煤、 长焰煤、 褐煤、 半焦、 焦炭或篮炭。
PCT/CN2007/003451 2007-01-18 2007-12-05 Appareil de production d'un matériau de filtre au semi-coke WO2008089622A1 (fr)

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