CN218774788U - High-efficient microwave reaction system - Google Patents

Abstract

The utility model discloses a high-efficiency microwave reaction system, which comprises a microwave reaction kettle, a plurality of microwave generators uniformly distributed on the inner side wall of the microwave reaction kettle and a plurality of microwave reactors arranged in parallel in the microwave reaction kettle; each microwave reactor is respectively connected with a stop valve, one opening part of each stop valve is connected with the microwave reactor, and the other opening part of each stop valve is connected with a feeding valve and a discharging valve in parallel; the utility model discloses a high-efficient microwave reaction system, the problem that the container capacity is little when solving among the prior art material microwave and hydrolysising also solves frequently to advance to arrange the problem that the material influences microwave efficiency simultaneously.

Description

High-efficient microwave reaction system

Technical Field

The utility model belongs to the microwave field of hydrolysising, more specifically the utility model relates to a high-efficient microwave reaction system.

Background

Microwave catalytic hydrolysis has been widely applied to the fields of organic matter detection and extraction purification in laboratories, but has not been applied to large-scale industrialization. The main reason for this is limited by the price of the high power microwave source and the material of the reaction vessel.

Currently, the microwave reaction systems are mainly two types, namely:

1. the single high-power microwave source is arranged at the top of the reaction kettle, and the microwaves are radiated from the top of the reaction kettle and injected into the reaction kettle or the acid-alkali-resistant high-temperature-resistant container in the kettle. When microwaves are radiated and injected from the top of the acid-base-resistant and high-temperature-resistant container, the development and application of the microwave are restricted by the high price and maintenance cost of the single high-power microwave source. Meanwhile, the microwave source is arranged at the top of the kettle, so that the acid-base and high-temperature resistant container is not uniformly irradiated, reactants in the acid-base and high-temperature resistant container need to be stirred, and the energy consumption is high.

2. The microwave reactor adopts a plurality of sets of low-power microwave source combinations, each microwave source is arranged at the top of the microwave reaction kettle, microwaves radiate to the acid-base-resistant and high-temperature-resistant container in the kettle from the periphery of the kettle, the microwave source of the reactor has lower cost, but has higher requirements on the acid-base-resistant and high-temperature-resistant container, requires high temperature resistance and acid-base corrosion resistance, and simultaneously has certain microwave transmission capacity, namely, the microwaves need to penetrate through the container to enter the container to be internally contacted with materials. At present, polytetrafluoroethylene, borosilicate glass, heat-resistant ceramic and the like are commonly used in laboratories. However, the container of the material is limited by the size of the die and the like, and the size and the capacity of the container are difficult to be large, so that the capacity of the reactor is limited. The small container needs to be fed and discharged frequently, in the microwave hydrolysis, the feeding-microwave hydrolysis-discharging process is adopted, and the feeding and discharging process needs to consume a long time, so that the time waste caused by waiting for feeding and discharging is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient microwave reaction system, the problem that the container capacity is little when solving among the prior art material microwave hydrolysis also solves the problem that frequently advances row material influence microwave efficiency simultaneously.

The technical scheme of the utility model is that the high-efficiency microwave reaction system comprises a microwave reaction kettle, a plurality of microwave generators which are uniformly distributed on the inner side wall of the microwave reaction kettle and a plurality of microwave reactors which are arranged in parallel in the microwave reaction kettle; each microwave reactor is respectively connected with a stop valve, one opening part of each stop valve is connected with the microwave reactor, and the other opening part of each stop valve is connected with a feeding valve and a discharging valve in parallel.

Preferably, the microwave generators are uniformly distributed along the circumferential direction of the microwave reaction kettle; microwave generators are uniformly distributed on each inner side wall of the microwave reaction kettle.

Preferably, the microwave reactors are uniformly distributed in the microwave reaction kettle, and the stop valve, the feed valve and the discharge valve are all arranged outside the microwave reaction kettle.

Preferably, the efficient microwave reaction system further comprises a feeding pump and a discharging pump, wherein the opening part of each feeding valve far away from the stop valve is connected with the feeding pump, and the opening part of each discharging valve far away from the stop valve is connected with the discharging pump.

Preferably, the inlet of the feed pump is connected with a preheating kettle, and the outlet of the discharge pump is connected with an adjusting kettle.

Preferably, high-efficient microwave reaction system still includes condensing equipment, condensing equipment include the condenser and with preheat the condensation blast pipe of cauldron and each microwave reactor top intercommunication, the condensation blast pipe with the condenser is connected, be connected with the condensation cask on the condenser.

The utility model discloses technical scheme a high-efficient microwave reaction system's beneficial effect is: set up a plurality of microwave reactor in microwave reation kettle, solve present microwave reactor and be difficult to accomplish the problem of large capacity, set up each microwave reaction simultaneously in parallel, can advance alone and arrange the material, when each microwave reactor in microwave reation kettle can realize the microwave promptly, the material is advanced to the part, and the microwave reactor of having solved small capacity among the prior art needs frequently to shut down and advances to arrange the material operation and waste time, causes the problem that microwave hydrolysis reaction efficiency is low.

Drawings

Fig. 1 is a schematic diagram of the technical scheme of the utility model, namely a high-efficiency microwave reaction system.

Detailed Description

In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will now be further described with reference to the following specific embodiments and drawings.

As shown in fig. 1, the utility model provides a high-efficient microwave reaction system, install microwave generator 2 and a plurality of on microwave reaction kettle 1's inside wall including microwave reaction kettle 1, a plurality of equipartition and be parallelly connected form and locate microwave reaction ware 3 in microwave reaction kettle 1. Each microwave reactor 3 is respectively connected with a stop valve 4, one opening part of each stop valve 4 is connected with the microwave reactor 3, and the other opening part of each stop valve 4 is connected with a feeding valve 5 and a discharging valve 6 in parallel.

Based on above-mentioned technical scheme, be in parallel connection form in microwave reation kettle 1 and set up a plurality of microwave reactor 3, solve among the prior art microwave reactor and can not make the problem of large capacity because of the material restriction, set up a plurality of microwave reactor 3 through the equipartition in microwave reation kettle 1, make full use of microwave energy make full use of in the 1 inner space of microwave reation kettle on the one hand, the microwave reactor of on the other hand large capacity has avoided frequent row's of advancing to arrange material latency.

Based on the technical scheme, the microwave reactors 3 are arranged in parallel through the design of the stop valve 4, the feed valve 5 and the discharge valve 6, and all the microwave reactors 3 can be fed or discharged simultaneously, or other microwave reactors 3 or a certain number of microwave reactors 3 can be fed or discharged during microwave reaction of part of the microwave reactors 3. The problem that in the prior art, when a single small-capacity microwave reactor is adopted for microwave hydrolysis, the machine needs to be stopped for feeding or discharging materials is solved. By adopting the technical scheme, feeding and discharging without stopping the machine are realized, continuous feeding and discharging are realized, the time is saved, and the microwave hydrolysis efficiency is improved.

Based on above-mentioned technical scheme, set up microwave generator 2 on each inside wall of microwave reaction kettle 1 for each position receives microwave radiation energy and equals basically in microwave reaction kettle 1, when the microwave hydrolyzes promptly, need not stir in microwave reactor 3, makes microwave reaction kettle 1 and microwave reactor 3's structure simple relatively, and need not to consume the energy and stir.

Based on above-mentioned technical scheme, set up microwave generator 2 on each inside wall of microwave reation kettle 1 for each position receives microwave radiation energy and equals basically in microwave reation kettle 1, but because can take place some shelters from between microwave reactor 3 in the microwave reation kettle 1, the microwave radiation energy that receives in so not each microwave reactor 3 equals completely, will appear like this that the material is preferred to be accomplished to hydrolysising in the microwave reactor 3 that is close to microwave generator 2, the material hydrolysis in the microwave reactor 3 far away from microwave generator 2 is slower relatively. After the materials are fed into each microwave reactor 3 for the first time, the materials in the microwave reactors 3 far away from the microwave generator 2 are hydrolyzed first, so that the materials can be discharged first, and meanwhile, the materials in the microwave reactors 3 far away from the microwave generator 2 are hydrolyzed continuously by microwaves. Therefore, by adopting the technical scheme, the feeding, discharging and microwave hydrolysis can be simultaneously carried out, and the microwave hydrolysis efficiency is greatly improved.

In the technical scheme, the microwave generators 2 are uniformly distributed, so that the microwave radiation energy at each position in the microwave reaction kettle 1 is basically consistent, and the materials in each microwave reactor 3 are fully hydrolyzed. The microwave generators 2 are uniformly distributed along the perimeter direction of the microwave reaction kettle 1. On each inside wall of the microwave reaction kettle 1, microwave generators 2 are uniformly distributed. If the cross section of the microwave reaction kettle 1 is rectangular, the four inner side walls of the microwave reaction kettle 1 are all provided with microwave generators 2. If a plurality of microwave generators 2 are arranged on each inner side wall, the microwave generators 2 are uniformly distributed along the height direction of the inner side wall, so that the microwave radiation energy received by each position in the inner space of the microwave reaction kettle 1 is ensured to be uniform to the maximum extent.

In the technical scheme, the microwave reactors 3 are uniformly distributed in the microwave reaction kettle 1, so that the microwave energy at each position in the microwave reaction kettle 1 is fully utilized, and the microwave hydrolysis efficiency is improved. Stop valve 4, feed valve 5 and relief valve 6 all set up in microwave reaction kettle 1 outside, are convenient for operate, control and maintain each valve etc.. The stop valve 4, the feeding valve 5 and the discharging valve 6 are all electromagnetic valves, and automatic control and automatic opening and closing are achieved.

In this technical scheme, high-efficient microwave reaction system still includes charge pump 7 and row material pump 8, and each charge valve 5 is kept away from the oral area of stop valve 4 and all is connected with the exit linkage of charge pump 7, and each row material valve 6 is kept away from the oral area of stop valve 4 and all is connected with the access connection of arranging material pump 8. Each of the inlet valves 5 is connected in parallel to the outlet of the inlet pump and each of the outlet valves 6 is connected in parallel to the inlet of the outlet pump 8. After the feeding pump 7 or the discharging pump 8 is started, the feeding or discharging control of each microwave reactor 3 or the continuous microwave hydrolysis reaction is realized through each stop valve 4, each feeding valve 5 and each discharging valve 6 which are respectively and independently controlled.

In the technical scheme, an inlet of the feeding pump 7 is connected with a preheating kettle 9, and an outlet of the discharging pump 8 is connected with an adjusting kettle 10. Through setting up and preheating cauldron 9, the material preheats earlier before getting into microwave reactor 3 for the process of microwave hydrolysis, the energy saving.

In this technical scheme, high-efficient microwave reaction system still includes condensing equipment, condensing equipment include condenser 12 and with preheat the condensation blast pipe 11 of cauldron 9 and each microwave reactor 3 top intercommunication, condensation blast pipe 11 is connected with condenser 12, is connected with condensation cask 13 on the condenser 12. Set up condensing equipment, ensure to preheat 3 internal pressure balances of cauldron 9 and each microwave reactor, avoid preheating cauldron 9 and each microwave reactor 3 in because of the intensification steam that produces, steam can not in time discharge can cause interior pressure to rise, can cause to preheat cauldron 9 and each microwave reactor 3 explosion etc. perhaps can cause and appear leaking problem with the pipeline or the valve body that preheat cauldron 9 and each microwave reactor 3 and be connected. The collection of the steam is achieved by the condenser 12 and the condensate bucket. In the microwave hydrolysis reaction, the collected condensed water can be reused and added into the preheating kettle 9 and each microwave reactor 3, so that water resources are saved.

As shown in fig. 1, after the preheating of the material in the preheating kettle 9 is completed, the feed pump 7 is started, and simultaneously each or a plurality of microwave reactors 3 in the microwave reaction kettle 1 are started as required, and the material is pumped into the microwave reactors 3. After the pumping is finished, the microwave generator 2 is started to provide microwave energy, and the materials in the microwave reactor 3 are catalyzed and hydrolyzed. The hydrolysis of the materials in the microwave reactors 3 is completed successively. And opening a stop valve 4 and a discharge valve 6 on the microwave reactor 3 after the hydrolysis of the material is finished, simultaneously opening a discharge pump 8, discharging the hydrolyzed material, and continuing the hydrolysis without discharging the material when the hydrolysis of the material in the microwave reactor 3 is not finished. After the microwave reactor 3 which discharges materials firstly finishes discharging, the feed valve 5 and the feed pump 7 are immediately switched to work, the discharge pump and the discharge valve corresponding to the microwave reactor are closed, and new materials are pumped into the microwave reactor 3 which discharges materials and are hydrolyzed. Therefore, the operation of stopping the machine is not needed in the feeding and discharging processes, the time waste caused by feeding or discharging is avoided, and the hydrolysis efficiency is improved.

The technical solution of the present invention is to combine the above embodiment and the accompanying drawings to carry out the exemplary description of the utility model, obviously the present invention is not limited by the above mode, as long as the present invention is adopted, the method concept and the technical solution of the present invention are carried out various insubstantial improvements, or the concept and the technical solution of the present invention are directly applied to other occasions without improvement, all within the protection scope of the present invention.

Claims (6)

1. A high-efficiency microwave reaction system is characterized by comprising a microwave reaction kettle, a plurality of microwave generators uniformly distributed and installed on the inner side wall of the microwave reaction kettle and a plurality of microwave reactors arranged in the microwave reaction kettle in parallel; each microwave reactor is respectively connected with a stop valve, one opening part of each stop valve is connected with the microwave reactor, and the other opening part of each stop valve is connected with a feed valve and a discharge valve in parallel.

2. A high-efficiency microwave reaction system according to claim 1, wherein the microwave generators are uniformly distributed along the circumferential direction of the microwave reaction kettle; microwave generators are uniformly distributed on each inner side wall of the microwave reaction kettle.

3. A high efficiency microwave reaction system as claimed in claim 1, wherein the microwave reactors are uniformly disposed within the microwave reactor, and the stop valve, the feed valve and the discharge valve are disposed outside the microwave reactor.

4. A high efficiency microwave reaction system as claimed in claim 1 further comprising a feed pump and a discharge pump, wherein the inlet port of each feed valve remote from the stop valve is connected to the feed pump, and the outlet port of each discharge valve remote from the stop valve is connected to the discharge pump.

5. A high efficiency microwave reaction system as claimed in claim 4, wherein the inlet of the feed pump is connected to a preheating tank, and the outlet of the discharge pump is connected to a regulating tank.

6. A high-efficiency microwave reaction system according to claim 5, further comprising a condensing device, wherein the condensing device comprises a condenser and a condensing exhaust pipe communicated with the preheating tank and the top of each microwave reactor, the condensing exhaust pipe is connected with the condenser, and a condensing water bucket is connected to the condenser.

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