CN113041975A - Microwave application reaction device and application method thereof - Google Patents

Microwave application reaction device and application method thereof Download PDF

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CN113041975A
CN113041975A CN202110340721.7A CN202110340721A CN113041975A CN 113041975 A CN113041975 A CN 113041975A CN 202110340721 A CN202110340721 A CN 202110340721A CN 113041975 A CN113041975 A CN 113041975A
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wave
microwave
absorbing
reaction
reaction tube
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肖琴瑛
彭凡
华伟
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/12Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
    • B01J19/122Incoherent waves
    • B01J19/126Microwaves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/12Processes employing electromagnetic waves
    • B01J2219/1203Incoherent waves
    • B01J2219/1206Microwaves
    • B01J2219/1209Features relating to the reactor or vessel
    • B01J2219/1221Features relating to the reactor or vessel the reactor per se
    • B01J2219/1242Materials of construction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/12Processes employing electromagnetic waves
    • B01J2219/1203Incoherent waves
    • B01J2219/1206Microwaves
    • B01J2219/1287Features relating to the microwave source
    • B01J2219/129Arrangements thereof
    • B01J2219/1293Single source

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Constitution Of High-Frequency Heating (AREA)

Abstract

The invention relates to the field of chemical reaction devices, in particular to a microwave application reaction device and an application method thereof, wherein the microwave application reaction device comprises a shell, a microwave source device, an isolation structure and a reaction tube, wherein the shell is enclosed to form an accommodating chamber; the reaction tube extends into the non-wave-absorbing area from one side of the shell; the microwave source device comprises a microwave antenna and a radio frequency microwave generating device, the microwave antenna is arranged in the accommodating cavity, the radio frequency microwave generating device is arranged outside the accommodating cavity, the microwave antenna penetrates through one side of the shell far away from the side, into which the reaction tube extends, and is connected with the radio frequency microwave generating device, and the microwave antenna penetrates through the wave-absorbing area and the non-wave-absorbing area; the reaction tube is made of a non-wave-absorbing material. The invention has simple and compact structure and ingenious design and has excellent application prospect in the field of chemical reaction.

Description

Microwave application reaction device and application method thereof
Technical Field
The invention relates to the field of chemical reaction devices, in particular to a microwave application reaction device and an application method thereof.
Background
Microwave technology has been widely used in our daily life, and in addition to the essential microwave oven for home, there are also communication products such as base stations, etc., microwave technology is also adopted on a large scale, however, the actual value of microwave technology is not only used for heating or as a carrier of mobile phone signals. In scientific research, it is found that microwave can accelerate chemical reaction, raise production efficiency of product, reduce loss and even some reactions which can not be carried out originally, and under the condition of microwave field, they can be produced, and can develop some products which can only be produced theoretically, and the above-mentioned special property is called as microwave non-thermal effect. The microwave technology shows the advantages of rapid and complete reaction, high yield, good selectivity and the like in organic drug synthesis reaction.
Although the skilled person knows that microwaves have the above special properties, the non-thermal effect of microwaves is rarely applied to practical production, because most of the microwave generation methods adopt magnetron technology, microwaves generated by the magnetron must enter the resonant cavity through the waveguide tube to be received, and the microwaves can be effectively utilized at the coupling point in the resonant cavity, if the microwaves are not effectively absorbed, the microwaves may be reflected back, so that the microwave generation device is damaged, and the existing reactor cannot be applied to industrial production for accelerating chemical reaction by using the non-thermal effect of microwaves.
The prior art has developed a microwave plug-in antenna, which is a revolutionary breakthrough in the microwave transmission process, and makes the microwave transmission not restricted by the structure of the resonant cavity, but still needs to solve the problem that the microwave generating device is damaged by the reflection of the residual microwave, so as to realize the industrial application of the microwave organic synthesis.
Disclosure of Invention
The invention aims to solve the technical problem of providing a microwave application reaction device and an application method thereof, and the microwave application reaction device has the advantages of simple and compact structure, ingenious design and excellent application prospect in the field of chemical reaction; when the microwave application reaction device is applied, the chemical reaction can be effectively accelerated under the condition that other catalysts are not required to be added, the production efficiency of products can be effectively improved, the loss is reduced, and a large amount of time and energy are saved.
In order to achieve the purpose, the invention adopts the following technical scheme: a microwave application reaction device comprises a shell, a microwave source device, an isolation structure and a reaction tube, wherein the shell is enclosed to form an accommodating cavity, the isolation structure is arranged in the accommodating cavity and is used for dividing the accommodating cavity into a non-wave-absorbing area and a wave-absorbing area, the non-wave-absorbing area is used for loading non-wave-absorbing materials, and the wave-absorbing area is used for loading wave-absorbing materials; the reaction tube extends into the non-wave-absorbing area from one side of the shell; the microwave source device comprises a microwave antenna and a radio frequency microwave generating device, the microwave antenna is arranged in the accommodating cavity, the radio frequency microwave generating device is arranged outside the accommodating cavity, the microwave antenna penetrates through one side of the shell far away from the side, into which the reaction tube extends, and is connected with the radio frequency microwave generating device, and the microwave antenna penetrates through the wave-absorbing area and the non-wave-absorbing area; the reaction tube is made of a non-wave-absorbing material.
Furthermore, the microwave source device also comprises a coaxial cable and a connector, the radio frequency microwave generating device is connected with the connector through the coaxial cable, and the connector is connected with the microwave antenna.
Furthermore, the isolation structure is a medium partition plate, the medium partition plate is sleeved on the microwave antenna, and the periphery of the medium partition plate is connected with the inner side wall of the shell.
Further, it can be used to load liquid and inhale the ripples material to inhale the wave region, reaction unit still includes the feed liquor pipe, it is provided with the inlet that runs through the casing to inhale the wave region, the one end and the inlet intercommunication of feed liquor pipe, the microwave antenna cover is equipped with the waterproof cover of microwave antenna, the waterproof cover of microwave antenna is made by not absorbing wave material.
Furthermore, temperature control systems are arranged in the wave absorbing area and the wave non-absorbing area.
Further, the wave absorbing area is provided with a circulating water cooling system.
Further, the wave-absorbing-free area is provided with a hot air system.
Furthermore, the reaction device also comprises a variable-speed rotating device, and the variable-speed rotating device is used for driving the reaction tube to rotate at a constant speed.
Further, the medium partition plate is made of a non-wave-absorbing material.
Further, microwave application reaction unit still includes the liquid storage pot, the one end and the regional intercommunication of inhaling of ripples of feed liquor pipe, the other end and the liquid storage pot intercommunication of feed liquor pipe, be provided with water injection valve and counter on the feed liquor pipe.
Further, the microwave application reaction device further comprises a vacuum pump, a connecting port is arranged at the upper end of the reaction tube, and the vacuum pump is communicated with the inner cavity of the reaction tube through the connecting port.
The invention also provides an application method of the microwave application reaction device, which comprises the following steps: placing a non-wave-absorbing substance in the non-wave-absorbing area, and placing a wave-absorbing substance in the wave-absorbing area; adding the prepared reactant into a reaction tube, and extending the reaction tube into a non-wave-absorbing area; and starting the radio frequency microwave generating device, treating reactants in the reaction tube for a set time through microwave electric field radiation, and taking the reaction tube out of the non-wave-absorbing area.
The invention has the beneficial effects that: the reaction device has the advantages that the microwave power of the reflection back-reflection frequency microwave generating device is very low after the whole reaction process structure, the damage of the reflected microwave to the radio frequency microwave generating device can be ignored, the service life of the radio frequency microwave generating device is long, and the radio frequency microwave generating device can operate for a long time; the invention effectively accelerates the chemical reaction without adding other catalysts, greatly shortens the reaction time, effectively improves the production efficiency of the product, reduces the loss and saves a large amount of time and energy; the invention has simple and compact structure and ingenious design and has excellent application prospect in the field of chemical reaction.
Drawings
FIG. 1 is a schematic sectional view of a reaction apparatus for microwave application according to the present invention.
FIG. 2 is a side view of a reaction apparatus for microwave application of the present invention.
Fig. 3 is an enlarged view at I in fig. 1.
Description of reference numerals:
1-a housing; 2-a reaction tube; 3-a non-wave-absorbing region; 4-wave absorbing area; 5-a microwave antenna; 6-radio frequency microwave generating device; 7-coaxial cable; 8-a connector; 9-a dielectric spacer; 10-liquid inlet pipe; 11-waterproof cover of microwave antenna; 12-a variable speed rotating device; 13-a liquid storage tank; 14-a water injection valve; 15-a meter; 16-a vacuum pump; 17-a drain pipe; and 18, a material valve.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
As shown in fig. 1-3, a microwave application reaction apparatus includes a housing 1, a microwave source device, an isolation structure and a reaction tube 2, where the housing 1 encloses to form an accommodating chamber, the isolation structure is disposed in the accommodating chamber and is used to divide the accommodating chamber into a non-wave-absorbing region 43 and a wave-absorbing region 4, the non-wave-absorbing region 43 is used to load non-wave-absorbing substances, and the wave-absorbing region 4 is used to load wave-absorbing substances; the reaction tube 2 extends into the non-wave-absorbing area 43 from one side of the shell 1; the microwave source device comprises a microwave antenna 5 and a radio frequency microwave generating device 6, the microwave antenna 5 is arranged in the accommodating cavity, the radio frequency microwave generating device 6 is arranged outside the accommodating cavity, the microwave antenna 5 penetrates through one side, far away from the side, extending into the reaction tube 2, of the shell 1 and is connected with the radio frequency microwave generating device 6, and the microwave antenna 5 penetrates through the wave-absorbing area and the non-wave-absorbing area; the reaction tube 2 is made of a non-wave-absorbing material.
Specifically, as shown in fig. 2, the housing 1 is a hollow cylinder type. Specifically, the reaction tube 2 can be made of, but not limited to, ceramic, quartz, glass; the isolation structure divides the accommodating chamber into a left area and a right area along the vertical direction, the extending end close to the microwave antenna 5 is a wave absorbing area 4, and the extending end close to the reaction tube 2 is a non-wave absorbing area 43; the microwave antenna 5 is arranged in parallel with the reaction tube 2, so that the front end and the rear end of the reaction tube 2 receive uniform microwave radiation.
In practical application, a wave absorbing substance is added into the wave absorbing region 4, a prepared reactant is added into the reaction tube 2, the reaction tube 2 is stretched into the wave absorbing region 43, then a wave absorbing substance is added into the wave absorbing region 43, the radio frequency microwave generating device 6 is started, microwave is radiated to the wave absorbing region 43 and the wave absorbing region 4, a microwave electric field which generates microwave non-heat effect on the reactant is formed in the wave absorbing region 43, the reactant reacts under the irradiation of the microwave, the radio frequency microwave generating device 6 is closed after the reaction time is over, the reaction tube 2 is taken out and then discharged, and the microwave which is not absorbed by the reactant in the reaction process is finally absorbed by the wave absorbing substance. The microwave power reflected to the radio frequency microwave generating device 6 is small, and the radio frequency microwave generating device 6 can operate for a long time.
Further, the microwave source device also comprises a coaxial cable 7 and a connector 8, the radio frequency microwave generating device 6 is connected with the connector 8 through the coaxial cable 7, the connector 8 is connected with the microwave antenna 5, and microwaves are transmitted to the connector 8 through the coaxial cable 7 and then transmitted to the microwave antenna 5.
Furthermore, the isolation structure is a medium partition plate 9, the medium partition plate 9 is sleeved on the microwave antenna 5, the periphery of the medium partition plate 9 is connected with the inner side wall of the shell 1, the medium partition plate 9 can divide an accommodating cavity formed in the shell 1 into a non-wave-absorbing area 43 and a wave-absorbing area 4, and meanwhile, the microwave antenna 5 is supported and fixed.
Further, it can be used to load liquid and inhale the ripples material to inhale ripples regional 4, reaction unit still includes feed liquor pipe 10, it is provided with the inlet that runs through casing 1 to inhale the ripples region, the one end and the inlet intercommunication of feed liquor pipe 10, feed liquor pipe 10 and inhale the regional 4 intercommunications of ripples promptly, 5 covers of microwave antenna are equipped with the waterproof cover of microwave antenna 11, the waterproof cover of microwave antenna 11 is made by not absorbing wave material. In particular, the microwave antenna waterproof case 11 may be made of, but not limited to, quartz and polyimide. The microwave application reaction device further comprises a liquid discharge pipe 17, and the liquid discharge pipe 17 is arranged at the lower end of the shell 1 and communicated with the wave absorbing area 4.
In practical application, before use, liquid wave-absorbing substances are input into the wave-absorbing region 4 from the liquid inlet pipe 10, the microwave antenna 5 is protected from soaking corrosion of the liquid wave-absorbing substances by the aid of the microwave antenna waterproof sleeve 11, and when the reaction device is idle, the liquid wave-absorbing substances in the wave-absorbing region 4 are discharged through the liquid discharge pipe 17, so that the service life of the reaction device is prolonged.
Furthermore, the dielectric constant of the wave-absorbing substance is greater than 50, and the dielectric constant of the non-wave-absorbing substance is 1-3. The dielectric constants of the wave-absorbing substance and the non-wave-absorbing substance are limited, so that the wave-absorbing substance has enough wave-absorbing capacity, microwaves which are not absorbed by reactants in the reaction process can be absorbed and consumed, the microwaves are prevented from being reflected to the microwave source device to damage the microwave source device, and the loss of the microwaves is reduced as much as possible when the microwaves penetrate through the non-wave-absorbing substance to radiate the reactants in the reaction tube 2.
Further, the liquid wave absorbing substance is a NaCl aqueous solution, and the concentration of the NaCl aqueous solution is 0.8-1.2 wt% o; preferably, the concentration of the NaCl aqueous solution is 1 wt% per mill, and the non-wave-absorbing substance is preferably, but not limited to, air.
The NaCl aqueous solution with the concentration of 1 wt% is simple to prepare, has good wave absorbing effect, and can prevent the microwave from being reflected to the microwave source device to cause damage to the microwave source device; the air source is wide, the microwave is hardly absorbed, the microwave loss can be reduced as much as possible, the microwave weakening influence is small, the two media are clean and environment-friendly, the raw material cost is low, and the subsequent treatment is convenient.
Furthermore, the wave-absorbing region 4 and the wave-non-absorbing region 3 are both provided with temperature control systems.
Further, the wave absorbing region 4 is provided with a circulating water cooling system. Specifically, the temperature of the wave-absorbing substance is controlled to be 20-35 ℃ by the circulating water cooling system. In the reaction process, under the radiation of microwaves, the temperature of the wave-absorbing substance in the wave-absorbing region 4, such as a 1 wt% NaCl aqueous solution, can gradually rise, and the circulating water cooling system can prevent the wave-absorbing substance from having too high temperature, so that the dielectric constant of the wave-absorbing substance is reduced, and the wave-absorbing efficiency of the wave-absorbing substance is influenced.
Further, the wave-absorbing-free area 3 is provided with a hot air system. Specifically, the temperature of the non-wave-absorbing substance is controlled to be 20-40 ℃ through the hot air system. When the environmental temperature of the laboratory is too low, the non-wave-absorbing substance in the non-wave-absorbing area 3 is caused, for example, when the temperature of air is too low, the dielectric constant of the non-wave-absorbing substance is increased along with the reduction of the temperature, the wave-absorbing capacity of the non-wave-absorbing substance is improved, and by arranging the hot air system, the phenomenon that the loss of microwaves is increased due to the enhancement of the absorbing capacity of the non-wave-absorbing substance in the reaction process, which is not beneficial to the microwave reaction is prevented.
Further, the reaction device further comprises a variable speed rotation device 12, wherein the variable speed rotation device 12 is used for driving the reaction tube 2 to rotate at a uniform speed, so that reactant solutions in the reaction tube 2 are dynamically and uniformly mixed and can uniformly receive microwave radiation, the reaction is uniform, the synthesis rate is improved, excessive local heating is prevented, and the rotation rate of the reaction tube 2 can be adjusted according to specific reaction conditions.
Further, the medium partition board 9 is made of a non-wave-absorbing material, so that the loss of microwaves can be reduced.
Further, the microwave application reaction device further comprises a liquid storage tank 13, one end of the liquid inlet pipe 10 is communicated with the wave absorbing area 4, the other end of the liquid inlet pipe 10 is communicated with the liquid storage tank 13, and the liquid inlet pipe 10 is provided with a water injection valve 14 and a meter 15. Specifically, the reaction tube 2 is provided with a material valve 18, and the material valve 18 is arranged outside the shell 1.
In practical application, the liquid storage tank 13 is used for storing the liquid wave-absorbing substance, before the liquid storage tank is used, the water injection valve 14 is opened, the liquid wave-absorbing substance is injected into the non-wave-absorbing area 43 from the liquid storage tank 13, and the flow of the liquid wave-absorbing substance is calculated through the meter 15; after the reaction is finished, the reaction tube 2 is taken out, and the material valve 18 is opened to discharge the material.
Further, the microwave application reaction device further comprises a vacuum pump 16, a connecting port is arranged at the upper end of the reaction tube 2, and the vacuum pump 16 is communicated with the inner cavity of the reaction tube 2 through the connecting port. Specifically, the connection port is provided with an isolation net to prevent substances in the reaction tube 2 from entering the vacuum pump 16 through the connection port in the process of vacuum pumping or reaction to damage the vacuum pump 16 and reduce the synthesis rate. Specifically, the isolation mesh is a quartz mesh material, which is commercially available and is only used as an application herein.
In practical application, when the vacuum reaction condition is not needed, the connecting port is covered by using the isolation net, gas generated by reaction can be discharged through the isolation net, when the vacuum reaction condition is needed, the vacuum pump 16 is communicated with the inner cavity of the reaction tube 2, and the gas in the reaction tube 2 is pumped out by the vacuum pump 16 to form a vacuum environment so as to meet the vacuum reaction condition.
Further, a temperature sensor and a pressure sensor (not shown in the figure) are arranged in the reaction tube 2, so that the temperature and the pressure in the reaction tube 2 can be monitored in real time, and accidents are prevented.
Furthermore, the temperature sensor is a thermocouple, a thermocouple probe of the temperature sensor and a sensing element of the pressure sensor are both sleeved with an aluminum foil and a metal shielding sleeve net which are resistant to microwave interference, the temperature sensor and the pressure sensor can be prevented from being interfered by microwaves, the temperature sensor is electrically connected with the temperature feedback unit, the real-time temperature of the reaction tube 2 is displayed through the temperature feedback unit, the pressure sensor is electrically connected with the pressure feedback unit, and the real-time pressure of the reaction tube 2 is displayed through the pressure feedback unit.
The application method of the microwave application reaction device comprises the following steps: a non-wave-absorbing substance is placed in the non-wave-absorbing region 3, and a wave-absorbing substance is placed in the wave-absorbing region 4; adding the prepared reactant into the reaction tube 2, and extending the reaction tube 2 into the non-wave-absorbing area 4; and starting the radio frequency microwave generating device 6, treating the reactants in the reaction tube 2 for a set time through microwave electric field radiation, and taking out the reaction tube 2 from the non-wave-absorbing area 4. The reaction tube 2 can be subjected to subsequent treatment to obtain a target product.
One application case of synthesizing phenoxyacetic acid by using the microwave application reaction device of the invention is as follows: in this case, the wave-absorbing substance is a 1 wt% NaCl aqueous solution stored in the liquid storage tank 13, and the non-wave-absorbing substance is air. In this embodiment, the diameter of the housing 1 is
Figure BDA0002999021430000071
The total length of the shell 1 is 1000mm, and the length ratio of the wave-absorbing area 4 to the non-absorbing area is 1: 2, diameter of the waterproof cover 11 of the microwave antenna
Figure BDA0002999021430000081
The reactants are a mixture of chloroacetic acid, phenol and sodium hydroxide, and the molar ratio of chloroacetic acid to phenol to sodium hydroxide is 1: 1: 2, adding 30ml deionized water and mixing the reactants accounting for 10g in totalAnd (4) homogenizing. And opening a water injection valve 14, filling NaCl aqueous solution occupying 3/4 of the volume of the water injection valve from a liquid storage tank 13 to the wave-absorbing region 4 through a liquid inlet pipe 10, opening a material valve 18, adding the prepared reactant into the reaction pipe 2, and extending the reaction pipe 2 into the wave-absorbing region 43. The output power of the radio frequency microwave generating device 6 is set to be 500W, the set time is 30min, the radio frequency microwave generating device 6 is started, microwaves are transmitted to the connector 8 through the coaxial cable 7 and then are transmitted to the microwave antenna 5, the microwaves penetrate through the waterproof cover 11 of the microwave antenna and are radiated to the wave-absorbing-free area 43 and the wave-absorbing area 4, a microwave electric field of more than 60V/M is formed in the wave-absorbing-free area 43, reactants in the reaction tube 2 are radiated for the set time through the microwave electric field, the reaction tube 2 is taken out from the wave-absorbing-free area 43, the discharge valve 18 is opened, discharging is carried out, the materials are filtered after being acidized through hydrochloric acid, white powdery phenoxyacetic acid is obtained. The microwaves which are not absorbed by the reactants in the reaction process are finally absorbed by the NaCl aqueous solution, the microwave power reflected back to the radio frequency microwave generating device 6 is only 25W, the influence on the radio frequency microwave generating device 6 is small, and the radio frequency microwave generating device 6 can operate for a long time. The reaction time of the reaction equipment is shortened by more than 80 percent in the case of the reaction equipment, and other catalysts are not required to be added, so that a large amount of energy is saved.
All the technical features in the embodiment can be freely combined according to actual needs.
The above embodiments are preferred implementations of the present invention, and the present invention can be implemented in other ways without departing from the spirit of the present invention.

Claims (10)

1. A microwave application reaction device is characterized in that: the microwave absorption device comprises a shell, a microwave source device, an isolation structure and a reaction tube, wherein the shell is enclosed to form an accommodating cavity, the isolation structure is arranged in the accommodating cavity and is used for dividing the accommodating cavity into a non-wave-absorbing area and a wave-absorbing area, the non-wave-absorbing area is used for loading non-wave-absorbing substances, and the wave-absorbing area is used for loading wave-absorbing substances; the reaction tube extends into the non-wave-absorbing area from one side of the shell; the microwave source device comprises a microwave antenna and a radio frequency microwave generating device, the microwave antenna is arranged in the accommodating cavity, the radio frequency microwave generating device is arranged outside the accommodating cavity, the microwave antenna penetrates through one side of the shell far away from the side, into which the reaction tube extends, and is connected with the radio frequency microwave generating device, and the microwave antenna penetrates through the wave-absorbing area and the non-wave-absorbing area; the reaction tube is made of a non-wave-absorbing material.
2. A microwave application reaction apparatus as defined in claim 1, wherein: the microwave source device also comprises a coaxial cable and a connector, the radio frequency microwave generating device is connected with the connector through the coaxial cable, and the connector is connected with the microwave antenna.
3. A microwave application reaction apparatus as defined in claim 1, wherein: the isolation structure is a medium partition plate, the medium partition plate is sleeved on the microwave antenna, and the periphery of the medium partition plate is connected with the inner side wall of the shell.
4. A microwave application reaction apparatus as defined in claim 1, wherein: the wave-absorbing area can be used for loading liquid wave-absorbing materials, the reaction device further comprises a liquid inlet pipe, the wave-absorbing area is provided with a liquid inlet which penetrates through the shell, one end of the liquid inlet pipe is communicated with the liquid inlet, the microwave antenna sleeve is provided with a microwave antenna waterproof sleeve, and the microwave antenna waterproof sleeve is made of a non-wave-absorbing material.
5. A microwave application reaction apparatus as defined in claim 1, wherein: the reaction device also comprises a variable-speed rotating device, and the variable-speed rotating device is used for driving the reaction tube to rotate at a constant speed.
6. A microwave application reaction apparatus as defined in claim 1, wherein: the medium clapboard is made of non-wave-absorbing materials.
7. A microwave application reaction apparatus as defined in claim 1, wherein: the microwave application reaction device further comprises a liquid storage tank, one end of the liquid inlet pipe is communicated with the wave absorbing area, the other end of the liquid inlet pipe is communicated with the liquid storage tank, and the liquid inlet pipe is provided with a water injection valve and a meter.
8. A microwave application reaction apparatus as defined in claim 1, wherein: the microwave application reaction device further comprises a vacuum pump, a connecting port is arranged at the upper end of the reaction tube, and the vacuum pump is communicated with the inner cavity of the reaction tube through the connecting port.
9. A microwave application reaction apparatus as defined in claim 1, wherein: and the wave absorbing area and the wave non-absorbing area are both provided with temperature control systems.
10. A method of using a microwave application reaction apparatus according to any one of claims 1 to 9, wherein: the method comprises the following steps: placing a non-wave-absorbing substance in the non-wave-absorbing area, and placing a wave-absorbing substance in the wave-absorbing area; adding the prepared reactant into a reaction tube, and extending the reaction tube into a non-wave-absorbing area; and starting the radio frequency microwave generating device, treating reactants in the reaction tube for a set time through microwave electric field radiation, and taking the reaction tube out of the non-wave-absorbing area.
CN202110340721.7A 2021-03-30 2021-03-30 Microwave application reaction device and application method thereof Pending CN113041975A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1935485A1 (en) * 2006-12-21 2008-06-25 Biotage AB Reaction vessel for a microwave heating system
JP2015142904A (en) * 2014-11-13 2015-08-06 マイクロ波化学株式会社 Chemical reaction device and chemical reaction method
CN107796831A (en) * 2017-10-20 2018-03-13 山东大学 A kind of microwave calorimeter and its calorimetric method for being used to measure material microwave fuel factor
CN109046185A (en) * 2018-07-14 2018-12-21 深圳市星聚工业自动化有限公司 A kind of microwave boiling reactor
CN111054287A (en) * 2019-12-24 2020-04-24 肖琴瑛 Microwave organic synthesis reactor
CN214863464U (en) * 2021-03-30 2021-11-26 肖琴瑛 Microwave application reaction device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1935485A1 (en) * 2006-12-21 2008-06-25 Biotage AB Reaction vessel for a microwave heating system
JP2015142904A (en) * 2014-11-13 2015-08-06 マイクロ波化学株式会社 Chemical reaction device and chemical reaction method
CN107796831A (en) * 2017-10-20 2018-03-13 山东大学 A kind of microwave calorimeter and its calorimetric method for being used to measure material microwave fuel factor
CN109046185A (en) * 2018-07-14 2018-12-21 深圳市星聚工业自动化有限公司 A kind of microwave boiling reactor
CN111054287A (en) * 2019-12-24 2020-04-24 肖琴瑛 Microwave organic synthesis reactor
CN214863464U (en) * 2021-03-30 2021-11-26 肖琴瑛 Microwave application reaction device

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