CN208612186U - A kind of multifunction experiment apparatus of gaseous pollutant purification - Google Patents

Abstract

The utility model discloses a kind of multifunction experiment apparatus of gaseous pollutant purification.Air distribution system includes simulation gas source, flowmeter, blending tank and gas flow distributor and its flowmeter；Parallel reaction system includes several reactor assemblies being removably mounted on support, reactor assemblies include sleeve and several reactor elements being removably mounted in sleeve, and each reactor elements air inlet pipeline is detachably connected with gas flow distributor and its flowmeter tail end respectively；Purging regenerative system includes gas heating tank, and gas heating tank is connected with purge gass and is connect by gas source branch with the front end of gas flow distributor and its flowmeter；Inspection and monitoring system includes pressure gauge, temp probe and mating temperature display meter and heating controller, gas composition monitoring instrument.Utility model device structure is concise, flexible and convenient operation, overcomes existing gas absorption or catalytic purification experimental provision gas circuit is few, heavy workload, the problems such as charge and discharge operations are inconvenient, temperature control is undesirable.

Description

A kind of multifunction experiment apparatus of gaseous pollutant purification

Technical field

The utility model belongs to gas-solid experimental rig technical field, and in particular to a kind of purification of gaseous pollutant it is multi-functional Experimental provision.

Background technique

With the continuous growth of industrial development and energy-output ratio, atmosphere polluting problem is got worse, and has been caused social each The extensive concern on boundary.China's atmosphere pollution is mainly from the row such as thermoelectricity, nonferrous smelting, petrochemical industry, chemical industry, coating, pharmacy, coking The production process of industry and vehicle exhaust etc., exhaust gas constituents include nitrogen oxides (NO_X), sulfur dioxide (SO₂)、CO、NH₃、H₂S、 Heavy metal and volatile organic contaminant (VOCs) etc..Gaseous pollutant has a large capacity and a wide range, complicated component, all has certain toxicity, Direct emission can cause to seriously affect to atmospheric environment and human health, therefore implement control techniques to it and be necessary.With The raising of environmental requirement and discharge standard are increasingly stringent, and the demand of research high-efficient purification new technology is increasingly urgent to.

Currently, primary waste gases processing technique has absorption and sorption, condensation, burning and catalyzed conversion etc..Wherein, absorption is benefit With lack of equilibrium on porous solid material surface or unsaturated molecular force, harmful constituent in gas is enriched in appearance in solid Face, it is separated from air-flow and the purification process that removes.Catalysis rule is that in the presence of a catalyst, script is needed Compare under harsh conditions exhaust gas that (such as high temperature) could convert compared with Efficient Conversion under temperate condition at harmless or less toxic product Purification method.Absorption method compares other processing techniques with catalysis method, all has that process flow is succinct, processing capacity is big, purification The advantages that high-efficient, exactly alike pollution.

Absorption method and the core of catalysis law technology are the efficient absorption of research and development or catalysis material, generally require to carry out a large amount of Ingredient is selected, is synthesized, being modified and experiment test job.In traditional experimentation, general once only 1~2 reactor (pipe, bed) is tested, there are testing efficiencies it is too low, time-consuming, heavy workload the problems such as.When purchasing more set equipment, Expense is excessively high, waste is big and takes up an area.In various related teaching experiments, equipment use there are the problem of it is also very prominent: equipment is held high Expensive, more people's grouping experiments must often purchase more set equipment, put into big, occupied space, low efficiency, and the limited school of funds is normal It is often difficult to meet the requirement for carrying out practical teaching work.

Patent ZL200510029469.9 proposes a kind of multi-pipe composite reacting apparatus, by using include heating furnace, Heater, heat conductive rod, at least two reaction tube, Multi-channel switching valve, temperature measurer, temperature controller and flow distributor, heat conductive rod Interior placing response pipe, the feed inlet of each reaction tube are connected with flow distributor, the discharge port of each reaction tube with it is more Channel switching valve is connected, and making each reaction tube is in be connected in parallel；Temperature element in each reaction tube is connected with temperature measurer； Heater in heating furnace is connected with temperature controller, realizes the temperature controlled technical solution in reaction tube, is mainly suitable for using In the research of organic synthesis catalysis reaction and catalyst, efficiency of research and development is improved.But using fixed all anti-in device design Should pipe concentrate external heat mode, when react pipe size it is larger, number is more when, can conduct heat unevenness, influence the standard of experimental result True property and comparativity.Also, the filling operation of more catalyst changeout need to undergo shutdown, cooling, open heating furnace, one by one handling reaction The links such as pipe could continue next batch test after being fully completed, when reaction tube quantity is more, operate fairly cumbersome.It is above-mentioned to lack Point is so that it is difficult to meet in exhaust fume catalytic or adsorption cleaning R&D process to test item diversification, reaction thermal stability and behaviour Make the higher requirement of convenience etc..Especially when the device needs division operation for teaching Process of experiment, to reaction The requirement that device configuration is adjusted flexibly will be limited more obviously.

Existing high-throughput gas solid catalytic reaction equipment there is a problem of almost same with above equipment in the market: although anti- Should pipe quantity and size can expand or replace, but be all made of customization mode, the number size of complete forming device its reaction tube Be it is fixed, series-parallel form and concrete configuration can not be adjusted flexibly according to the actual demand often changed in user.And when configuration Reactor quantity it is many when, a combination thereof part is relatively bulky, one by one dismantle, replace reaction tube catalyst time and effort consuming.If being used for When teaching experiment multiple groups student operates, rotation cannot be quickly realized very much, and device itself is expensive.

To sum up, scientific research and the common gaseous pollutant gas-solid reaction purification device of teaching experiment there are gas circuits simple, reaction (column, bed) deficiency that quantity is few, space hold is big is managed, there are equipment investments when especially carrying out multiple groups experimental project greatly, tests Low efficiency, data comparativity are poor, research and develop the various problems such as time-consuming.Therefore, flexible, easy to operate, the efficient more function of design configurations The exhaust gas gas-solid reaction experimental provision of energy is badly in need of by scientific research and teaching.

Summary of the invention

The purpose of this utility model is that for existing gas-solid adsorption or being catalyzed on existing for reaction experiment test device The defects of stating high cost with low efficiency provides a kind of multifunction experiment apparatus of gaseous pollutant purification.

The purpose of this utility model is realized by the following technical solutions: the gaseous pollutant purifies multi-functional Experimental provision, it includes air distribution system, parallel reaction system, Inspection and monitoring system, purging regenerative system；The air distribution system packet Include sequentially connected simulation gas source, flowmeter, blending tank and gas flow distributor and its flowmeter；Blending tank is connected with steam Syringe pump is adjusted, to realize that gas humidity is adjusted；The parallel reaction system include it is several be removably mounted to it is anti-on support Device assembly is answered, reactor assemblies include sleeve and several reactor elements being removably mounted in sleeve, each reactor elements Tail end of the air inlet pipeline respectively with gas flow distributor and its flowmeter be detachably connected；The purging regenerative system includes Gas heating tank, before gas heating tank is connected with purge gass and passes through gas source branch and gas flow distributor and its flowmeter End connection；The Inspection and monitoring system includes pressure gauge, temp probe and mating temperature display meter and heating controller, gas Composition monitor；The blending tank and gas heating tank are mounted on pressure gauge, safety valve and connect with temperature display meter Temp probe, around electric calorifie installation and insulating layer is equipped with outside tank body, electric calorifie installation is connect with heating controller；Reactor The outlet pipe of element is successively detachably connected with Multi-channel switching valve and gas composition monitor；It is between reactor assemblies Mode in parallel or series；Each reactor elements are equipped with and the temperature probe of temperature display meter connection and corresponding temperature control Electric calorifie installation, to realize that reactor elements, component temperature accurately control；Pipeline is all made of quick coupling between each component of device Connection, and valve is housed, the opening and closing of convenient for loading and unloading and pipeline.

Further, before the parallel reaction system, several reserved pipe interfaces are provided with；It can increase at any time and match or change The standby reactor component and kit of different dimensions and quantity can adjust reactor elements and group by actual demand The quantity and size of part, to realize that flexibly collocation uses to the maximum extent.

Specifically, the reactor assemblies include reactor elements and sleeve, reactor elements are reaction tube or reaction bed； The sleeve inner is uniformly provided with several axial ducts around center axis thereof, and reactor elements are inserted into fixed in duct；Set It is a through-hole at the central axis of cylinder, the contraposition of convex stick or detent on the through-hole and support are with fixed reactor component, when necessary Sleeve surrounding anchor ring adds several grooves or retainer plate, and reactor assemblies are further fixed on support by hanger or bracket On；Convex stick on support be it is detachable, be replaced with electrically heated rod when necessary, can be to reactor when ensuring to need hot conditions Element carries out reheating.

Further, the cross-sectional circumference shape circle regular polygon or rectangle of the sleeve；Outside it Cylinder or totally-enclosed, or intermediate one section of complete opens wide expose one section of its internal gutter, or centre one and half is opened wide, is corresponding Each duct position opening in portion exposes one section of its internal gutter in the inner, so as to reactor elements position and wherein solid Phase material filling state is observed, while substantially mitigating the weight of reactor assemblies, more convenient operation；Wherein, outer cylinder Fully closed component is suitble to the reaction for needing accurately to keep the temperature, and the barish component of outer cylinder is suitble to the anti-of medium and low temperature section It answers, the complete suitable reaction process of open component has the reaction of very exothermic in the middle part of outer cylinder.

Specifically, the simulation gas source be 1~20 kind of gas, preferably 2~10 kinds；Pass through cyclinder gas, blower, air Pump, bubbling sustained release or osmos tube sustained release, burner provide the ingredient and concentration that simulated exhaust needs.

Specifically, the reactor assemblies quantity is 1~30, preferably 1~12；Reactor elements are 1~36, It is preferred that 2~20；Reactor assemblies can arbitrary arrangement, with it is beautiful it is compact be advisable, it is preferably circumferentially radial, single or up and down The multiple rows of array in front and back is evenly arranged；Reactor elements can circumferentially or linear homogeneous is arranged；Reactor elements, the quantity of component can Flexibly to increase and decrease, size is also adjustable.

Waste gas purification multifunction experiment apparatus in the utility model uses modularized design, can be used for environment protection field difference The gas-solid reaction scavenging material or Study of optimization of exhaust gas, it can also be used to all kinds of gas-solid reaction catalyst of chemical field Research.Since the reactor assemblies of different specification size, element can replace flexibly, combine, reactor assemblies can also be in parallel connection Or easily switching recombination between series system, thus it is easily achieved test item expansion, testing efficiency is significantly improved, is substantially reduced R&D cycle.When for teaching experiment, one covers such device and the task of more set traditional experiment devices can be completed, especially Be can flexible expansion experiments content, efficiently complete student experiment in group.

Monitoring temperature is carried out to each reactor elements (pipe, bed) in utility model device, is subtracted to greatest extent The temperature difference for having lacked parallel testing influences, and can ensure that the temperature between different components is noiseless, realizes with batch wise differences tune Control test；Reactor elements (pipe, bed) are assembled into modular reactor assemblies, and the equal changeable of quantity, size is adjusted, In parallel or multiple groups arranged in series is formed with the distribution of input, to realize the substantially expansion of test function；For example, being completed at the same time The performance test of multiple catalysts or adsorbent material is completed at the same time different catalysts respectively the different air speeds or temperature under the conditions of Catalytic reaction kinetics and reaction mechanism test etc. are completed in senile experiment, catalytic activity and life test.

Therefore, utility model device can greatly improve experiment testing efficiency, shorten R&D cycle and cutting device investment. When for teaching experiment, occupied space and input can be substantially reduced, is realized more in set of device in limited class hour Group student carries out experimental implementation and test simultaneously, and the ruler of reactor assemblies and element can be adjusted flexibly according to actual needs Very little specification and quantity configuration are completed routine experiment device and are difficult to the comprehensive reality completed with adjustment or the expansion experiments contents of a project It tests.

Utility model device structure is concise, flexible and convenient operation, and need to only arrange in pairs or groups a small amount of monitoring instrument, can effectively solve The efficiency short slab of various simulated exhaust absorption or catalytic purification process study, overcomes existing gas absorption or catalytic purification is real The problems such as experiment device or gas circuit are few, heavy workload or high-volume test charge and discharge operations are inconvenient, temperature control is undesirable, can Carry out multiple groups parallel testing simultaneously (containing multiple groups parallel connection or multiple groups series connection).Utility model device can be used for gaseous pollutant absorption Purification process research, also can be used for gas-solid catalysis experimental study, and is also very suitable for related teaching experiment and uses, and solve General unit purchase more set equipment are costly, land occupation greatly and the problems such as low efficiency.

Detailed description of the invention

Fig. 1 is the whole theory structure schematic diagram of utility model device.

Fig. 2 is the reactor assemblies of the utility model embodiment 3 × 6, element plane arrangement schematic diagram.

Fig. 3 is the schematic perspective view when sleeve outer cylinder of reactor assemblies in Fig. 2 is totally-enclosed.

Fig. 4 is the schematic perspective view when sleeve outer cylinder one of reactor assemblies in Fig. 2 cuts complete open wide.

Fig. 5 is that the stereochemical structure that the sleeve outer cylinder one of reactor assemblies in Fig. 2 is cut when partly opening wide and be provided with fenestra is illustrated Figure.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawings and examples.

Referring to Fig. 1, utility model device includes air distribution system, parallel reaction system, Inspection and monitoring system, purging regeneration System.Air distribution system includes sequentially connected simulation gas source 1, flowmeter 2, blending tank 3 and gas flow distributor and its flow Meter 5；Blending tank is connected with steam and adjusts syringe pump 4, to realize that gas humidity is adjusted.It is parallel anti-in the present embodiment in conjunction with Fig. 2 Answering system to include three groups, circumferentially radial arrangement, the reactor assemblies being removably mounted on support, reactor assemblies include Sleeve 15 and six 6 (reaction tubes of reactor elements that are uniformly distributed around 15 central axis of sleeve, being removably mounted in sleeve 15 Or reaction bed)；In conjunction with Fig. 3, Fig. 4, Fig. 5, several axial ducts 16 are uniformly provided with around center axis thereof inside sleeve 15, Reactor elements 6 are inserted into fixed in duct 16；It is a through-hole at the central axis of sleeve 15, the convex stick 9 on the through-hole and support With fixed reactor component, 15 surrounding anchor ring of sleeve is equipped with several grooves or retainer plate (being not drawn into figure) for contraposition or detent, with Just further that reactor assemblies are fixed on the support by hanger or bracket；Convex stick 9 on support be it is detachable, when necessary It is replaced with the electrically heated rod with heating function, reactor elements 6 can be heated when ensuring pyroreaction condition.From figure 3, as it can be seen that the cross-sectional circumference shape of sleeve 15 is circle, outer cylinder or totally-enclosed, as shown in Fig. 3 in Fig. 4, Fig. 5； Or intermediate one section of 17 complete unlimited one section for exposing its internal gutter 16, as shown in Figure 4；Or centre one and half is opened wide, and it is corresponding Each 16 position opening 18 of duct in portion exposes one section of its internal gutter 16 in the inner；So as to the position to reactor elements 6 It sets and wherein solid phase material filling state is observed, while substantially mitigating the weight of component, more convenient operation；Wherein, outside The fully closed component of cylinder is suitble to the reaction for needing accurately to keep the temperature, and the barish component of outer cylinder is suitble to medium and low temperature section Reaction, complete open component is suitble to reaction process to have the reaction of very exothermic in the middle part of outer cylinder.

Referring to Fig. 1, the air inlet pipeline of above-mentioned each reactor elements 6 respectively with gas flow distributor and its flowmeter 5 Tail end is detachably connected.Purging regenerative system includes gas heating tank 12, and gas heating tank 12 is connected with purge gass 13 and passes through Gas source branch is connect with the front end of gas flow distributor and its flowmeter 5.Inspection and monitoring system includes pressure gauge, temp probe And (section components are not drawn into figure, because installing these for mating temperature display meter and heating controller, gas composition monitoring instrument Component category routine techniques, details are not described herein)；Blending tank 3 and gas heating tank 13 be mounted on pressure gauge, safety valve and with temperature The temp probe of display instrument connection is spent, is surrounded outside tank body and electric calorifie installation and insulating layer is installed, electric calorifie installation and heating Controller connection.The outlet pipe of reactor elements 6 is successively detachable with Multi-channel switching valve 7 and gas composition monitor 11 It connects, is in parallel way between reactor assemblies；Each reactor elements 6 are equipped with the thermometric connecting with temperature display meter and visit Head and corresponding temperature resistance silk or ribbon heater or electrothermal tube, to realize that reactor elements, component temperature accurately control.Dress It sets pipeline between each component and is all made of quick coupling connection, and valve is housed, the opening and closing of convenient for loading and unloading and pipeline.

It is specific experiment embodiment below:

Embodiment 1:SO₂Exhaust gas adsorbs teaching experiment.

Certain colleges and universities carries out the experimental teaching of waste gas purification by adsorbsion, and experiment content is activated carbon adsorption SO in measurement fixed bed₂ The breakthrough curve of simulated exhaust, relatively more modified and unmodified active carbon adsorption effect.When using conventional adsorption experimental apparatus When, it is configured based on 4 adsorption columns by general every covering device, laboratory need to purchase at least 4 sets of same devices, and configure 4 gas sources (gas bomb) and it is at least its 8~10 gas componant detecting instrument of configuration.The experiment of a 32 people classes is completed, to protect It demonstrate,proves everyone and participates in operation, also need full class student being divided into two batches and test in turn.First student completes unmodified work Property charcoal breakthrough curve test after, need used active carbon whole removal replace after can just be modified penetrating for active carbon Curve test.Second batch student, which equally undergoes to repeat the above process, to test.Air inlet SO₂Concentration is in 800ppm or so, gas velocity Under the conditions of 5L/min, filling bed height 5cm, the period that every a batch student completes all experimentss task is 3.5~4 hours left sides It is right.

According to the experimental provision of the utility model Fig. 1, student is equally participated in experiment in turn in two batches, need to only purchase one Covering device (contains 1 gas source), while 3 sets of standby reactor components of configuration and 3~6 gas componant detectors (pass through switching valve It moves in turn survey).When specific experiment, class is divided into 18 people and 14 people's two batches alternate plays are tested.Every batch of student is divided into 3 small Group, each 6 people of group (second batch has one group there was only 2 people) share a reactor assemblies and 2 gas detecting instruments, it is ensured that everyone One reactor elements (adsorption tube).It, can on each students ' actual situation when experiment due to being configured with standby reactor component and element With with 2 reactor elements alternate operations.Modified and unmodified active carbon particle is packed into respectively in 2 adsorption tubes, It is then assembled on two reactor assemblies of the using and the reserved.When measurement, song first is penetrated with what a component surveyed unmodified active carbon Line shuts down air inlet after the completion, directly removes reactor assemblies, is replaced with spare package and continues to survey modified activated carbon and penetrates song Line.This simple and effective in the way of reactor assemblies entirety rotation.Under same task condition, every a batch student is completed all The period of experiment is 3 hours or so.

It is compared with routine experiment equipment and experiment method, utility model device experimental implementation is convenient, the high-efficient, period Short, the required number of devices purchased is few, takes up little area, and not only saves fund, also subtract dropped multiple gas bombs security risk and Consumptive material waste.

Embodiment 2:NO exhaust fume catalytic oxidation catalyst preferred development.

Still description is carried out NO off-gas oxidizing catalyst screening active testing and then is optimized by taking the configuration of above-mentioned apparatus as an example The research process and effect of catalyst formulation.

A kind of feasible technology path of cigarette/exhaust gas denitration is by NO partial oxidation into NO₂, then de- by wet desulphurization Nitre device is by its absorption cleaning.Under the conditions of low-temperature and low-concentration, the oxidation process of NO is very slow, so the technology path Key is to develop efficient catalysis oxidation material.In R&D process, proposed adoption infusion process makes different carriers load upper metal oxygen Material after compound active component carries out catalytic activity test.

6 kinds of metal oxides are loaded into active carbon particle respectively by 10% load factor first, active carbon fibre peacekeeping aoxidizes On aluminium, it is prepared for 18 kinds of materials altogether and is screened for.When active testing, material is measured respectively and is turned under the conditions of 120,140,160 DEG C Rate.In the simulated exhaust ingredient of configuration, contain O₂5%, NO 800ppm, N₂For balanced gas, and all mentioned by high-pressure cylinder Air supply source.Other test conditions are as follows: total gas flow rate 100ml/min, air speed 4000h^-1.Test result is as shown in Table 1 to Table 3:

The oxidation efficiency of 1 active carbon particle of table each catalyst when being carrier

The oxidation efficiency of 2 activated carbon fibre of table each catalyst when being carrier

The oxidation efficiency of 3 alumina particle of table each catalyst when being carrier

By above-mentioned test, filter out with V₂O₅And Bi₂O₃It is best for the catalyst oxidation NO effect of active component, wherein The V of active carbon fibre peacekeeping alumina load₂O₅Requirement of the catalyst closest to industrial waste gas oxygenation efficiency 50% or so.

As follows with conventional tube reacting furnace or fixed bed catalyst experimental provision (single reactor) contrast effect: tradition is real It tests test device and tests a condition and a kind of catalysis material every time, in terms of each 3 hours test periods, need to survey 54 times, altogether It completes within meter time-consuming 162 hours.The device of the utility model Fig. 1 is such as used, mating 3 gas componant detectors can will be each Reactor assemblies disposably load 6 kinds of catalysis materials respectively, and control 3 reactor assemblies respectively in 120,140 and 160 DEG C of items It is measured simultaneously under part, does not calculate filling and debug and complete above-mentioned experimental duties in time-consuming situation and only need 1 test period, consume altogether When 3 hours or so.Being substantially improved for utility model device testing efficiency is obvious.

The foregoing is merely the utility model preferred embodiments, are not intended to limit the utility model, all in this reality Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the utility model In protection scope.For example, on the key Design idea basis for understanding present apparatus process-oriented layout and modular structure, if to matched The collocation that instrument controls and monitors means is adjusted, or to system panel, bracket, pipeline, pedestal and reactor material etc. into Row modification, beautification and change, shall not be construed as beyond scope of protection of the utility model.Experimental provision main functionality part without departing from The utility model thought and be only on the basis of the present apparatus combination integrate various data-interfaces, automated control technology and reality Management software is tested, is also not construed as beyond scope of protection of the utility model.

Claims (6)

1. a kind of multifunction experiment apparatus of gaseous pollutant purification, it is characterised in that: it includes air distribution system, parallel reaction system System, Inspection and monitoring system, purging regenerative system；The air distribution system includes sequentially connected simulation gas source, flowmeter, blending tank With gas flow distributor and its flowmeter；Blending tank is connected with steam and adjusts syringe pump；If the parallel reaction system includes The dry reactor assemblies being removably mounted on support, reactor assemblies include sleeve and several are removably mounted in sleeve Reactor elements, the air inlet pipeline of each reactor elements detachably connect with the tail end of gas flow distributor and its flowmeter respectively It connects；The purging regenerative system includes gas heating tank, and gas heating tank is connected with purge gass and by gas source branch and gas The connection of the front end of flow distributor and its flowmeter；The Inspection and monitoring system includes pressure gauge, temp probe and with sleeving temperature Display instrument and heating controller, gas composition monitoring instrument；The blending tank and gas heating tank are mounted on pressure gauge, safety Valve and the temp probe being connect with temperature display meter, around being equipped with electric calorifie installation and insulating layer, electric heating dress outside tank body It sets and is connect with heating controller；The outlet pipe of reactor elements successively can with Multi-channel switching valve and gas composition monitor Dismantling connection；In mode in parallel or series between reactor assemblies；Each reactor elements are equipped with to be connected with temperature display meter The temperature probe and corresponding thermostat galvanothermy device connect；Pipeline is all made of quick coupling connection between each component of device, and fills There is valve.

2. the multifunction experiment apparatus of gaseous pollutant purification according to claim 1, it is characterised in that: the parallel reaction Before system, it is provided with several reserved pipe interfaces.

3. the multifunction experiment apparatus of gaseous pollutant purification according to claim 1, it is characterised in that: the reactor group Part includes reactor elements and sleeve, and reactor elements are reaction tube or reaction bed；The sleeve inner surrounds center axis thereof Several axial ducts are uniformly provided with, reactor elements are inserted into fixed in duct；It is a through-hole at the central axis of sleeve, this is logical The contraposition of convex stick or detent on hole and support is with fixed reactor component, and sleeve surrounding anchor ring adds several grooves or solid when necessary Fixed circle, it is further that reactor assemblies are fixed on the support by hanger or bracket；Convex stick on support is detachable, necessity When be replaced with electrically heated rod.

4. the multifunction experiment apparatus of gaseous pollutant purification according to claim 3, it is characterised in that: the cross of the sleeve Cross sectional periphery shape circle regular polygon or rectangle；Its outer cylinder or totally-enclosed, or it is intermediate one section it is complete One section for exposing its internal gutter is opened wide, or centre one and half is opened wide, exposed corresponding to its internal each duct position opening One section of its internal gutter.

5. the multifunction experiment apparatus of gaseous pollutant purification according to claim 1, it is characterised in that: the simulation gas source For 1~20 kind of gas, simulation is provided and is given up by cyclinder gas, blower, air pump, bubbling sustained release or osmos tube sustained release, burner The ingredient and concentration that gas needs.

6. the multifunction experiment apparatus of gaseous pollutant purification according to claim 1, it is characterised in that: the reactor group Number of packages amount is 1~30, and reactor elements are 1~36.