JP6603409B2 - 湿った細粒石炭を選別および乾燥するための結合システムの結合方法 - Google Patents
湿った細粒石炭を選別および乾燥するための結合システムの結合方法 Download PDFInfo
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- JP6603409B2 JP6603409B2 JP2018521432A JP2018521432A JP6603409B2 JP 6603409 B2 JP6603409 B2 JP 6603409B2 JP 2018521432 A JP2018521432 A JP 2018521432A JP 2018521432 A JP2018521432 A JP 2018521432A JP 6603409 B2 JP6603409 B2 JP 6603409B2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
- F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
- F26B3/092—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed agitating the fluidised bed, e.g. by vibrating or pulsating
- F26B3/0926—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed agitating the fluidised bed, e.g. by vibrating or pulsating by pneumatic means, e.g. spouted beds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/12—Selective separation of solid materials carried by, or dispersed in, gas currents with pulsating air currents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B4/00—Separating by pneumatic tables or by pneumatic jigs
- B03B4/005—Separating by pneumatic tables or by pneumatic jigs the currents being pulsating, e.g. pneumatic jigs; combination of continuous and pulsating currents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/08—Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/22—Controlling the drying process in dependence on liquid content of solid materials or objects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
- F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
- F26B3/092—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed agitating the fluidised bed, e.g. by vibrating or pulsating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Drying Of Solid Materials (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Combined Means For Separation Of Solids (AREA)
Description
Claims (5)
- 湿った細粒石炭を選別および乾燥するための結合システムの結合方法であって、
前記結合システムは、
送風機、サージタンク、水分検出センサー、制御装置および2本のパイプラインを含み、
送風機がサージタンクと連通し、並列接続した2本のパイプラインの一端がサージタンクと連通し、他端は流動床と連通し、
前記2本のパイプラインのうちの1本は、第1バルブ、第1流量計、空気加熱器および電動バタフライバルブによって順に直列に接続されて構成され、もう1本のパイプラインは、第2バルブおよび第2流量計によって直列に接続されて構成され、
前記水分検出センサーは、流動床内に設置され、
制御装置は、それぞれ送風機、第1バルブ、第1流量計、空気加熱器、第2バルブ、第2流量計、電動バタフライバルブおよび水分検出センサーに接続され、
前記空気加熱器は、電気加熱タイプである結合システムの結合方法において、
(1)採掘された褐炭粒子が流動床内に置かれた後、水分検出センサーが流動床内の褐炭粒子表面の含水率をリアルタイムで検出し、制御装置に送り返すステップと、
(2)制御装置は、検出された含水率と設定された含水率とを比較し、設定された含水率を超えた場合には、空気加熱器と送風機とを起動させると共に、第1バルブと電動バタフライバルブとを開くように制御し、この際に、送風機が発生した気流は、サージタンクによって調整された後に第1バルブ、第1流量計を通って空気加熱器によって加熱されて熱気流になり、熱気流が電動バタフライバルブを通って脈動熱気流を生成して流動床内部に送られて褐炭粒子の乾燥工程を行い、第1流量計は、リアルタイムの流量値を制御装置にフィードバックし、制御装置は、設定された流量値で第1バルブの開度を制御することによって流動化数を制御するステップと、
(3)乾燥工程において、脈動気流を採用して、水分検出センサーが流動床内の褐炭粒子表面の含水率をリアルタイムで検出し、検出された含水率が設定された含水率まで低下すると、乾燥工程が完了するステップと、
(4)選別脱灰工程において、脈動気流と連続気流とを組み合わせる方法を採用して、制御装置は、空気加熱器の動作を停止させるように制御すると共に、第1バルブの開度を制御して脈動気流の流動化数を制御し、また、第2バルブを開くように制御し、第2流量計によってリアルタイムで検出された流量値を用いて、第2バルブの開度を制御して流動化数を制御し、この際に、送風機が発生した気流はサージタンクによって調整された後に2つに分かれ、1つは第1バルブ、第1流量計および電動バタフライバルブを通って脈動気流を生成して流動床内に送入され、もう1つは第2バルブおよび第2流量計を通って連続気流を生成して流動床内に入って、褐炭粒子の選別工程を行うステップと、
(5)脈動気流と連続気流との共同作用により、褐炭粒子が流動床において密度によって分層され、褐炭粒子の選別脱灰工程が完了するステップと、
を含み、
細粒石炭の乾燥及び選別は前記流動床内の同じ領域で完了することを特徴とする湿った細粒石炭を選別および乾燥するための結合システムの結合方法。
- 前記乾燥工程において、熱気流の温度は90〜200℃であり、気流周波数は0.5〜8Hzであり、流動化数は1.6〜2.2であることを特徴とする請求項1に記載の湿った細粒石炭を選別および乾燥するための結合システムの結合方法。
- 前記選別工程において、連続気流の流動化数は0.6〜1.0であり、脈動気流の流動化数は0.2〜0.6であり、周波数は0.5〜8Hzであることを特徴とする請求項1に記載の湿った細粒石炭を選別および乾燥するための結合システムの結合方法。
- 前記選別工程において、連続気流および脈動気流の温度はいずれも常温であることを特徴とする請求項1に記載の湿った細粒石炭を選別および乾燥するための結合システムの結合方法。
- 前記設定された褐炭粒子表面の含水率は4%であることを特徴とする請求項1に記載の湿った細粒石炭を選別および乾燥するための結合システムの結合方法。
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CN201710043965.2 | 2017-01-21 | ||
CN201710043965.2A CN106862077B (zh) | 2017-01-21 | 2017-01-21 | 一种潮湿细粒煤分选与干燥的耦合系统及方法 |
PCT/CN2017/080269 WO2018133220A1 (zh) | 2017-01-21 | 2017-04-12 | 一种潮湿细粒煤分选与干燥的耦合系统及方法 |
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JP2019508652A JP2019508652A (ja) | 2019-03-28 |
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AU (1) | AU2017317608B2 (ja) |
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CN108759313B (zh) * | 2018-06-14 | 2019-10-29 | 中国矿业大学 | 一种褐煤干燥-干法分选协同优化提质方法及工艺 |
CN110068200B (zh) * | 2019-05-07 | 2020-05-22 | 中国矿业大学 | 一种离心流化床干燥分选系统及干燥分选方法 |
CN111097693A (zh) * | 2019-12-27 | 2020-05-05 | 河南理工大学 | 一种潮湿细粒煤连续性干燥分选一体化设备及方法 |
CN115164567B (zh) * | 2021-04-02 | 2024-04-19 | 中冶长天国际工程有限责任公司 | 一种基于分布板角度调整的块矿预处理系统及方法 |
WO2024080582A1 (ko) * | 2022-10-13 | 2024-04-18 | 주식회사 엘지화학 | 유동층 건조기를 이용한 함수 입자의 건조 방법 |
CN115682636B (zh) * | 2022-11-03 | 2023-08-11 | 宜春万申制药机械有限公司 | 一种螺杆输送脉冲悬浮流化高效连续化干燥系统 |
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