WO2022016762A1 - 一种利用反应热高效蒸发甲醇的工艺 - Google Patents

一种利用反应热高效蒸发甲醇的工艺 Download PDF

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WO2022016762A1
WO2022016762A1 PCT/CN2020/130906 CN2020130906W WO2022016762A1 WO 2022016762 A1 WO2022016762 A1 WO 2022016762A1 CN 2020130906 W CN2020130906 W CN 2020130906W WO 2022016762 A1 WO2022016762 A1 WO 2022016762A1
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exothermic
heat
evaporator
methanol
condenser
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PCT/CN2020/130906
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English (en)
French (fr)
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夏旭东
龚英俊
蔡荣成
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江苏理文化工有限公司
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/30—Accessories for evaporators ; Constructional details thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • 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
    • 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
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • 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
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Definitions

  • the invention relates to the technical field of methanol extraction, in particular to a process for efficiently evaporating methanol by utilizing reaction heat.
  • Methanol (CH3OH) is the simplest saturated monohydric alcohol with a CAS number of 67-56-1 or 170082-17-4, a molecular weight of 32.04 and a boiling point of 64.7°C. Methanol mixtures often appear in industrial production. Methanol can be reused and the pollution to the environment can be reduced at the same time. It is necessary to recycle methanol, and the methanol is usually extracted by evaporation and condensation.
  • the traditional evaporation method mostly uses coal and other combustion heating to evaporate the methanol mixture, which has low heating efficiency, wastes resources, and the coal heating products easily pollute the environment, which cannot meet the needs of social development.
  • the purpose of the present invention is to solve the shortcomings of the traditional evaporation method that uses coal and other combustion heating to evaporate the methanol mixture, the heating efficiency is low, the resources are wasted, and the coal heating product is easy to cause pollution to the environment, and cannot meet the needs of social development.
  • a process for efficiently evaporating methanol using heat of reaction comprising the following steps:
  • the exothermic reactor in S1 includes an exothermic reaction tank, a feeding structure, a mixer, a filter, a dryer and a heat recovery mechanism, and the heating structure and the mixer are both arranged on the exothermic reaction tank, and the filter is connected to the exothermic reaction tank.
  • the exothermic reaction tank is connected, the dryer is connected with the filter, the evaporator is connected with the dryer, and the heat recovery mechanism is arranged between the exothermic reaction tank and the evaporator.
  • the feeding structure includes a quicklime tank, a water tank, two feeding pipes and two solenoid valves, the tops of the two feeding pipes are respectively connected to the quicklime tank and the water tank, and the bottom ends of the two feeding pipes are both connected to the exothermic reaction tank
  • the two solenoid valves are respectively connected with the two feeding pipes.
  • the quicklime box is provided with a pulverizer and a screening plate
  • the pulverizer includes a pulverizing motor and a pulverizing knife
  • the pulverizing motor is located on one side of the lime box
  • the pulverizing knife is located in the lime box
  • the screening plate is located below the pulverizing knife
  • the screening The plate is inclined, and one side of the lime box is provided with an outlet, which is matched with the screening plate.
  • the filter includes a filter box and a multi-layer filter screen, the pore size of the multi-layer filter screen is gradually reduced, and the multi-layer filter screen is made of stainless steel metal.
  • the dryer includes a drying box, a drying board and a drying cylinder, the drying board is arranged in the drying box, the drying cylinder is located outside the drying box, and the drying cylinder can blow hot air into the drying box to further dry the hot air .
  • the evaporator is provided with a cavity
  • the air outlet of the dryer is communicated with the cavity
  • the heat recovery mechanism includes a circulation pipe and a circulation pump, one end of the circulation pipe is communicated with the interlayer, and the other end of the circulation pipe is connected with the heat release
  • the reaction tank is connected, and a circulation pump is arranged on the circulation pipe, and the circulation pump can pump the gas in the interlayer into the exothermic reaction tank to realize the heat recycling.
  • the mixer includes a mixing motor and a mixing shaft, the mixing motor is arranged outside the exothermic reaction tank, and the mixing shaft is rotatably installed inside the exothermic reaction tank.
  • the methanol mixture is added to the S3 middle-box evaporator, and the evaporated gas enters the evaporator to heat the methanol mixture, so that the methanol mixture is vaporized and enters the condenser for cooling.
  • This scheme improves the reaction speed of the quicklime by crushing the quicklime, and can export the quicklime with larger particles to avoid affecting the reaction efficiency;
  • the two solenoid valves can be opened intermittently, quicklime and water can be added into the exothermic reaction tank intermittently, and the exothermic reaction can be continued, making the exothermic reaction uninterrupted;
  • the heat can be recovered through the heat recovery mechanism to realize heat recycling and save heat energy.
  • the limestone and water are mixed by the mixer to improve the reaction effect and the heat release effect.
  • the invention can use quicklime to react with water to exothermic, save resources, avoid environmental pollution, and can improve the reaction exothermic effect.
  • FIG. 1 is a schematic structural diagram of a process for efficiently evaporating methanol by utilizing the heat of reaction proposed by the present invention.
  • the exothermic reactor in S1 includes an exothermic reaction tank, a feeding structure, a mixer, a filter, a dryer and a heat recovery mechanism.
  • the heating structure and the mixer are both arranged on the exothermic reaction tank.
  • the exothermic reaction tank is connected, the dryer is connected with the filter, the evaporator is connected with the dryer, and the heat recovery mechanism is arranged between the exothermic reaction tank and the evaporator.
  • the feeding structure includes a quicklime tank, a water tank, two feeding pipes and two solenoid valves.
  • the tops of the two feeding pipes are respectively connected to the quicklime tank and the water tank, and the bottom ends of the two feeding pipes are both connected to the exothermic reaction tank.
  • the two solenoid valves are respectively connected with the two feeding pipes, the two solenoid valves can be opened intermittently, the controller controls the solenoid valves to open intermittently, and the quicklime and water can be intermittently added into the exothermic reaction tank.
  • a pulverizer and a screening plate are arranged in the quicklime box.
  • the pulverizer includes a pulverizing motor and a pulverizing knife.
  • the pulverizing motor is located on one side of the lime box, the pulverizing knife is located in the lime box, and the screening plate is located below the pulverizing knife.
  • the plate is inclined and there is an outlet on one side of the lime box. The outlet cooperates with the screening plate.
  • the pulverizing motor drives the pulverizing knife to rotate to pulverize the quicklime and improve the reaction speed of the quicklime.
  • the screening plate can export the larger particles of quicklime.
  • the filter includes a filter box and a multi-layer filter screen.
  • the pore size of the multi-layer filter screen is gradually reduced. eye.
  • the dryer includes a drying box, a drying board and a drying cylinder.
  • the drying board is arranged in the drying box, and the drying cylinder is located outside the drying box.
  • the drying cylinder can blow hot air into the drying box to further dry the hot air. .
  • the evaporator is provided with a cavity
  • the air outlet of the dryer is communicated with the cavity
  • the heat recovery mechanism includes a circulation pipe and a circulation pump, one end of the circulation pipe is communicated with the interlayer, and the other end of the circulation pipe is connected with the heat release
  • the reaction tank is connected, and a circulation pump is arranged on the circulation pipe, and the circulation pump can pump the gas in the interlayer into the exothermic reaction tank to realize the heat recycling.
  • the mixer includes a mixing motor and a mixing shaft, the mixing motor is arranged outside the exothermic reaction tank, the mixing shaft is rotated and installed inside the exothermic reaction tank, and the mixing motor drives the mixing shaft to rotate to stir and mix quicklime and water , improve the reaction effect, improve the exothermic effect, and the stirring speed is 240 rpm.
  • the methanol mixture is added to the evaporator in the middle box of S3, and the evaporated gas enters the evaporator to heat the methanol mixture, so that the methanol mixture is vaporized and enters the condenser for cooling.
  • the exothermic reactor in S1 includes an exothermic reaction tank, a feeding structure, a mixer, a filter, a dryer and a heat recovery mechanism.
  • the heating structure and the mixer are both arranged on the exothermic reaction tank.
  • the exothermic reaction tank is connected, the dryer is connected with the filter, the evaporator is connected with the dryer, the heat recovery mechanism is arranged between the exothermic reaction tank and the evaporator, and the reaction tank is provided with a sewage outlet, which can discharge the used stains .
  • the feeding structure includes a quicklime tank, a water tank, two feeding pipes and two solenoid valves.
  • the tops of the two feeding pipes are respectively connected to the quicklime tank and the water tank, and the bottom ends of the two feeding pipes are both connected to the exothermic reaction tank.
  • the two solenoid valves are respectively connected with the two feeding pipes, the two solenoid valves can be opened intermittently, and quicklime and water can be intermittently added into the exothermic reaction tank.
  • a pulverizer and a screening plate are arranged in the quicklime box.
  • the pulverizer includes a pulverizing motor and a pulverizing knife.
  • the pulverizing motor is located on one side of the lime box, the pulverizing knife is located in the lime box, and the screening plate is located below the pulverizing knife.
  • the plate is inclined and there is an outlet on one side of the lime box. The outlet cooperates with the screening plate.
  • the pulverizing motor drives the pulverizing knife to rotate to pulverize the quicklime and improve the reaction speed of the quicklime.
  • the screening plate can export the larger particles of quicklime.
  • the filter includes a filter box and a multi-layer filter screen.
  • the pore size of the multi-layer filter screen is gradually reduced.
  • the multi-layer filter can be disassembled and replaced.
  • the dryer includes a drying box, a drying board and a drying cylinder.
  • the drying board is arranged in the drying box, and the drying cylinder is located outside the drying box.
  • the drying cylinder can blow hot air into the drying box to further dry the hot air. .
  • the evaporator is provided with a cavity
  • the air outlet of the dryer is communicated with the cavity
  • the heat recovery mechanism includes a circulation pipe and a circulation pump, one end of the circulation pipe is communicated with the interlayer, and the other end of the circulation pipe is connected with the heat release
  • the reaction tank is connected, and a circulation pump is arranged on the circulation pipe, and the circulation pump can pump the gas in the interlayer into the exothermic reaction tank to realize the heat recycling.
  • the mixer includes a mixing motor and a mixing shaft, the mixing motor is arranged outside the exothermic reaction tank, the mixing shaft is rotated and installed inside the exothermic reaction tank, and the mixing motor drives the mixing shaft to rotate to stir and mix quicklime and water , improve the reaction effect, improve the exothermic effect, and the stirring speed is 200 rpm.
  • the methanol mixture is added to the evaporator in the middle box of S3, and the evaporated gas enters the evaporator to heat the methanol mixture, so that the methanol mixture is vaporized and enters the condenser for cooling.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

提供一种利用反应热高效蒸发甲醇的工艺。针对传统的蒸发方式多使用煤炭等燃烧加热对甲醇混合物蒸发，加热效率低，浪费资源且煤炭加热产物容易对环境造成污染，不能符合社会发展需求的问题，现提出如下方案，其包括以下步骤：S1：准备放热反应器、蒸发器、冷凝器和收集筒，并将放热反应器、蒸发器和冷凝器连接；S2：向放热反应器内加入放热反应物资进行放热反应；S3：热量进入蒸发器对甲醇混合物蒸发，进入冷凝器中；S4：通过冷凝器的冷却进入收集筒内收集。该工艺可以使用生石灰与水反应放热，节约资源，避免污染环境，可以提高反应放热效果。

Description

一种利用反应热高效蒸发甲醇的工艺 技术领域
本发明涉及甲醇提取技术领域，尤其涉及一种利用反应热高效蒸发甲醇的工艺。
背景技术
甲醇(Methanol，CH3OH)是结构最为简单的饱和一元醇，CAS号为67-56-1或170082-17-4，分子量为32.04，沸点为64.7℃，在工业生产中经常出现甲醇混合物，为了可以对甲醇重复利用，同时可以降低对环境的污染需要对甲醇回收利用，通常采用蒸发冷凝的方式对甲醇进行提取。
传统的蒸发方式多使用煤炭等燃烧加热对甲醇混合物蒸发，加热效率低，浪费资源且煤炭加热产物容易对环境造成污染，不能符合社会发展需求。
发明内容
本发明的目的是为了解决传统的蒸发方式多使用煤炭等燃烧加热对甲醇混合物蒸发，加热效率低，浪费资源且煤炭加热产物容易对环境造成污染，不能符合社会发展需求的缺点，而提出的一种利用反应热高效蒸发甲醇的工艺。
为了实现上述目的，本发明采用了如下技术方案：
一种利用反应热高效蒸发甲醇的工艺，包括以下步骤：
S1：准备放热反应器、蒸发器、冷凝器和收集筒，并将放热反应器、蒸发器和冷凝器连接；
S2：向放热反应器内加入放热反应物资进行放热反应；
S3：热量进入蒸发器对甲醇混合物蒸发，进入冷凝器中；
S4：通过冷凝器的冷却进入收集筒内收集。
优选的，所述S1中放热反应器包括放热反应罐、加料结构、混合器、过滤器、干燥器和热量回收机构，加热结构和混合器均设置在放热反应罐上，过滤器与放热反应罐连接，干燥器与过滤器连接，蒸发器与干燥器连接，热量回收机构设置在放热反应罐与蒸发器之间。
优选的，所述加料结构包括生石灰箱、水箱、两个加料管和两个电磁阀，两个加料管的顶端分别与生石灰箱和水箱连通，两个加料管的底端均与放热反应罐连通，两个电磁阀分别与两个加料管连接。
优选的，所述生石灰箱内设置有粉碎器和筛选板，粉碎器包括粉碎电机和粉碎刀，粉碎电机位于石灰箱的一侧，粉碎刀位于石灰箱内，筛选板位于粉碎刀的下方，筛选板为倾斜设置，石灰箱的一侧设置有出口，出口与筛选板配合。
优选的，所述过滤器包括过滤箱和多层过滤网，多层过滤网的孔径逐渐变小，多层过滤网均为不锈钢金属材质。
优选的，所述干燥器包括干燥箱、干燥板和烘干筒，干燥板设置在干燥箱内，烘干筒位于干燥箱的外侧，干燥筒可以对干燥箱内部吹热气可以进一步对热气烘干。
优选的，所述蒸发器上设置有空腔，干燥器的出气口与空腔相连通，热量回收机构包括循环管和循环泵，循环管的一端与夹层连通，循环管的另一端与放热反应罐连通，循环管上设置有循环泵，循环泵 可以将夹层的气体抽向放热反应罐内，实现热量循环利用。
优选的，所述混合器包括混合电机和混合轴，混合电机设置在放热反应罐的外侧，混合轴转动安装在放热反应罐内部。
优选的，所述S3中箱蒸发器中加入甲醇混合物，蒸发气体进入蒸发器中对甲醇混合物加热，使得甲醇混合物汽化进入冷凝器中冷却。
与现有技术相比，本发明的优点在于：
(1)本方案通过对生石灰粉碎，提高生石灰的反应速度，并可以将较大颗粒的生石灰导出，避免影响反应效率；
(2)通过两个电磁阀可以间歇性打开，可以将生石灰和水间歇性加入放热反应罐内，可以持续放热反应，使得放热反应不间断；
(3)通过设置过滤器和干燥器可以对放热产生的蒸汽进行过滤和干燥，避免对蒸发器造成污染和影响；
(4)通过热量回收机构可以将热量回收，实现热量循环利用，节约热能，通过混合器对石灰石和水进行混合，提高反应效果，提高放热效果。
本发明可以使用生石灰与水反应放热，节约资源，避免污染环境，可以提高反应放热效果。
附图说明
图1为本发明提出的一种利用反应热高效蒸发甲醇的工艺的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。
实施例一
参照图1，一种利用反应热高效蒸发甲醇的工艺，包括以下步骤：
S1：准备放热反应器、蒸发器、冷凝器和收集筒，并将放热反应器、蒸发器和冷凝器连接；
S2：向放热反应器内加入放热反应物资进行放热反应；
S3：热量进入蒸发器对甲醇混合物蒸发，进入冷凝器中；
S4：通过冷凝器的冷却进入收集筒内收集。
本实施例中，S1中放热反应器包括放热反应罐、加料结构、混合器、过滤器、干燥器和热量回收机构，加热结构和混合器均设置在放热反应罐上，过滤器与放热反应罐连接，干燥器与过滤器连接，蒸发器与干燥器连接，热量回收机构设置在放热反应罐与蒸发器之间。
本实施例中，加料结构包括生石灰箱、水箱、两个加料管和两个电磁阀，两个加料管的顶端分别与生石灰箱和水箱连通，两个加料管的底端均与放热反应罐连通，两个电磁阀分别与两个加料管连接，两个电磁阀可以间歇性打开，控制器控制电磁阀间歇性打开，可以将生石灰和水间歇性加入放热反应罐内。
本实施例中，生石灰箱内设置有粉碎器和筛选板，粉碎器包括粉碎电机和粉碎刀，粉碎电机位于石灰箱的一侧，粉碎刀位于石灰箱内，筛选板位于粉碎刀的下方，筛选板为倾斜设置，石灰箱的一侧设置有 出口，出口与筛选板配合，粉碎电机带动粉碎刀旋转可以对生石灰粉碎，提高生石灰的反应速度，筛选板可以将较大颗粒的生石灰导出。
本实施例中，过滤器包括过滤箱和多层过滤网，多层过滤网的孔径逐渐变小，多层过滤网均为不锈钢金属材质，多层过滤网的孔径为100目、300目和800目。
本实施例中，干燥器包括干燥箱、干燥板和烘干筒，干燥板设置在干燥箱内，烘干筒位于干燥箱的外侧，干燥筒可以对干燥箱内部吹热气可以进一步对热气烘干。
本实施例中，蒸发器上设置有空腔，干燥器的出气口与空腔相连通，热量回收机构包括循环管和循环泵，循环管的一端与夹层连通，循环管的另一端与放热反应罐连通，循环管上设置有循环泵，循环泵可以将夹层的气体抽向放热反应罐内，实现热量循环利用。
本实施例中，混合器包括混合电机和混合轴，混合电机设置在放热反应罐的外侧，混合轴转动安装在放热反应罐内部，混合电机带动混合轴转动可以对生石灰和水进行搅拌混合，提高反应效果，提高放热效果，搅拌速度为240转/min。
本实施例中，S3中箱蒸发器中加入甲醇混合物，蒸发气体进入蒸发器中对甲醇混合物加热，使得甲醇混合物汽化进入冷凝器中冷却。
实施例二
参照图1，一种利用反应热高效蒸发甲醇的工艺，包括以下步骤：
S1：准备放热反应器、蒸发器、冷凝器和收集筒，并将放热反应 器、蒸发器和冷凝器连接；
S2：向放热反应器内加入放热反应物资进行放热反应；
S3：热量进入蒸发器对甲醇混合物蒸发，进入冷凝器中；
S4：通过冷凝器的冷却进入收集筒内收集，收集筒上设置有导出管，可以将收集的甲醇导出。
本实施例中，S1中放热反应器包括放热反应罐、加料结构、混合器、过滤器、干燥器和热量回收机构，加热结构和混合器均设置在放热反应罐上，过滤器与放热反应罐连接，干燥器与过滤器连接，蒸发器与干燥器连接，热量回收机构设置在放热反应罐与蒸发器之间，反应罐上设置有排污口，可以将使用完成的污渍排出。
本实施例中，加料结构包括生石灰箱、水箱、两个加料管和两个电磁阀，两个加料管的顶端分别与生石灰箱和水箱连通，两个加料管的底端均与放热反应罐连通，两个电磁阀分别与两个加料管连接，两个电磁阀可以间歇性打开，可以将生石灰和水间歇性加入放热反应罐内。
本实施例中，生石灰箱内设置有粉碎器和筛选板，粉碎器包括粉碎电机和粉碎刀，粉碎电机位于石灰箱的一侧，粉碎刀位于石灰箱内，筛选板位于粉碎刀的下方，筛选板为倾斜设置，石灰箱的一侧设置有出口，出口与筛选板配合，粉碎电机带动粉碎刀旋转可以对生石灰粉碎，提高生石灰的反应速度，筛选板可以将较大颗粒的生石灰导出。
本实施例中，过滤器包括过滤箱和多层过滤网，多层过滤网的孔径逐渐变小，多层过滤网均为不锈钢金属材质，多层过滤网的孔径为 100目、300目和800目，多层过滤网可以拆卸更换。
本实施例中，干燥器包括干燥箱、干燥板和烘干筒，干燥板设置在干燥箱内，烘干筒位于干燥箱的外侧，干燥筒可以对干燥箱内部吹热气可以进一步对热气烘干。
本实施例中，蒸发器上设置有空腔，干燥器的出气口与空腔相连通，热量回收机构包括循环管和循环泵，循环管的一端与夹层连通，循环管的另一端与放热反应罐连通，循环管上设置有循环泵，循环泵可以将夹层的气体抽向放热反应罐内，实现热量循环利用。
本实施例中，混合器包括混合电机和混合轴，混合电机设置在放热反应罐的外侧，混合轴转动安装在放热反应罐内部，混合电机带动混合轴转动可以对生石灰和水进行搅拌混合，提高反应效果，提高放热效果，搅拌速度为200转/min。
本实施例中，S3中箱蒸发器中加入甲醇混合物，蒸发气体进入蒸发器中对甲醇混合物加热，使得甲醇混合物汽化进入冷凝器中冷却。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。

Claims (9)

  1. 一种利用反应热高效蒸发甲醇的工艺，其特征在于，包括以下步骤：
    S1：准备放热反应器、蒸发器、冷凝器和收集筒，并将放热反应器、蒸发器和冷凝器连接；
    S2：向放热反应器内加入放热反应物资进行放热反应；
    S3：热量进入蒸发器对甲醇混合物蒸发，进入冷凝器中；
    S4：通过冷凝器的冷却进入收集筒内收集。
  2. 根据权利要求1所述的一种利用反应热高效蒸发甲醇的工艺，其特征在于，所述S1中放热反应器包括放热反应罐、加料结构、混合器、过滤器、干燥器和热量回收机构，加热结构和混合器均设置在放热反应罐上，过滤器与放热反应罐连接，干燥器与过滤器连接，蒸发器与干燥器连接，热量回收机构设置在放热反应罐与蒸发器之间。
  3. 根据权利要求2所述的一种利用反应热高效蒸发甲醇的工艺，其特征在于，所述加料结构包括生石灰箱、水箱、两个加料管和两个电磁阀，两个加料管的顶端分别与生石灰箱和水箱连通，两个加料管的底端均与放热反应罐连通，两个电磁阀分别与两个加料管连接。
  4. 根据权利要求3所述的一种利用反应热高效蒸发甲醇的工艺，其特征在于，所述生石灰箱内设置有粉碎器和筛选板，粉碎器包括粉碎电机和粉碎刀，粉碎电机位于石灰箱的一侧，粉碎刀位于石灰箱内，筛选板位于粉碎刀的下方，筛选板为倾斜设置，石灰箱的一侧设置有出口，出口与筛选板配合。
  5. 根据权利要求2所述的一种利用反应热高效蒸发甲醇的工艺， 其特征在于，所述过滤器包括过滤箱和多层过滤网，多层过滤网的孔径逐渐变小，多层过滤网均为不锈钢金属材质。
  6. 根据权利要求2所述的一种利用反应热高效蒸发甲醇的工艺，其特征在于，所述干燥器包括干燥箱、干燥板和烘干筒，干燥板设置在干燥箱内，烘干筒位于干燥箱的外侧。
  7. 根据权利要求1所述的一种利用反应热高效蒸发甲醇的工艺，其特征在于，所述蒸发器上设置有空腔，干燥器的出气口与空腔相连通，热量回收机构包括循环管和循环泵，循环管的一端与夹层连通，循环管的另一端与放热反应罐连通，循环管上设置有循环泵。
  8. 根据权利要求1所述的一种利用反应热高效蒸发甲醇的工艺，其特征在于，所述混合器包括混合电机和混合轴，混合电机设置在放热反应罐的外侧，混合轴转动安装在放热反应罐内部。
  9. 根据权利要求1所述的一种利用反应热高效蒸发甲醇的工艺，其特征在于，所述S3中箱蒸发器中加入甲醇混合物，蒸发气体进入蒸发器中对甲醇混合物加热，使得甲醇混合物汽化进入冷凝器中冷却。
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