CN208512195U - High temperature organic exhaust gas circulating treating system with thermal compensation - Google Patents

Abstract

A kind of high temperature organic exhaust gas circulating treating system with thermal compensation, including at least two exhaust-gas treatment tank, adsorption layer and auxiliary thermosphere set are equipped in exhaust-gas treatment tank, the adsorption layer of each exhaust-gas treatment tank can be carried out absorption and the desorption process of organic matter, high temperature organic exhaust gas, which is introduced into an exhaust-gas treatment tank, desorbs adsorption layer using its heat, enter the adsorption process that next exhaust-gas treatment tank carries out organic matter after cooling using cooling tank, two exhaust-gas treatment tanks can be used alternatingly, when exhaust-gas treatment tank carries out desorption process, auxiliary thermosphere set can provide heat auxiliary for it.The utility model can be carried out continuously the processing of high temperature organic exhaust gas, active carbon need not stop the absorption of organic exhaust gas when being desorbed, effective temperature-reducing can be carried out to organic exhaust gas simultaneously, auxiliary heat can be provided for active carbon desorption, improve the utilization rate of active carbon, whole system structure is simple, easy to operate, environmental protection and energy saving.

Description

High temperature organic exhaust gas circulating treating system with thermal compensation

Technical field

The utility model relates to VOCs treatments, specifically design a kind of high temperature organic exhaust gas circular treatment with thermal compensation System.

Background technique

Organic exhaust gas is many industrial enterprises, such as is discharged during petroleum, light industry, food, chemical industry industry production normal Pollutant is seen, if not being effectively treated direct emission, it will seriously pollute environment.Active carbon adsorption is that current processing has The most commonly used method of machine exhaust gas, but with the progress of adsorption process, the pollutant of activated carbon surface enrichment is more and more, living Property charcoal absorption property can also gradually decrease until active carbon it is fully saturated.If the active carbon after adsorption saturation without regeneration at Reason, then must be abandoned, and the active carbon after abandoning can cause secondary pollution to environment, while increase the cost of adsorption operations.

Existing organic waste gas treatment system is substantially after activated carbon adsorption saturation, first stops the absorption of organic exhaust gas Then process desorbs active carbon, etc. saturated activities charcoal desorption completely after be used further to carry out organic exhaust gas absorption, in this way Batchwise adsorption process not only inefficiency, but also operation is more troublesome, and active carbon stop absorption after organic exhaust gas obtain Less than timely processing, discharges into atmosphere and pollute the environment.

Meanwhile when plant produced task aggravates, and organic exhaust gas capacity increases, generally require to increase organic waste gas tank number The treatment effeciency to guarantee organic exhaust gas is measured, newly-increased organic waste gas tank and old organic waste gas tank form two or more independent Individual, continuity operation can not be carried out, higher cost, energy consumption is higher when multiple individual organic waste gas tanks are run together, Due to can only intermittent operation, treatment effeciency is relatively low, it is now desired to it is a kind of can circulate operation, sustainability carries out organic The organic waste gas treatment system of object absorption.

Utility model content

In view of this, to solve one or more above technical problem, the utility model provides a kind of with thermal compensation High temperature organic exhaust gas circulating treating system.

Technical solution is as follows:

A kind of high temperature organic exhaust gas circulating treating system with thermal compensation, key are: vertically setting including at least two The exhaust-gas treatment tank set, the exhaust-gas treatment pot bottom are equipped with air inlet, are connected separately at the top of the exhaust-gas treatment tank net Change tracheae and foul smell pipe；

Horizontal face is set there are two separation net in the exhaust-gas treatment tank, thus by exhaust-gas treatment tank inner cavity from lower past On be divided into first air collecting chamber, adsorption layer and the second air collecting chamber, filling active carbon forms the suction between two separation nets Attached layer, the inner wall of the exhaust-gas treatment tank are equipped with auxiliary thermosphere set around the adsorption layer, auxiliary thermosphere set be located at two described in every Between off-network, the auxiliary thermosphere set outer wall fills institute tight against the exhaust-gas treatment top tank structure, the interior zone of the auxiliary thermosphere set State active carbon；

Inner tube is equipped in exhaust-gas treatment tank inner cavity, said inner tube is embedded in adsorption layer, the input end of said inner tube It is passed down through first air collecting chamber and stretches out the bottom of the exhaust-gas treatment tank, the outlet end of said inner tube is upward through described Second air collecting chamber and the top for stretching out the exhaust-gas treatment tank；

The outlet end of said inner tube in a upper exhaust-gas treatment tank and the air inlet of next exhaust-gas treatment tank Mouth is connected to, the outlet end of the said inner tube in the last one described exhaust-gas treatment tank and the air inlet of first exhaust-gas treatment tank Mouth connection；

It further include having the same cooling tank, the outlet end of all said inner tubes is inserted respectively behind the inner cavity of the cooling tank Enter the air inlet of the corresponding exhaust-gas treatment tank.

The effect of the program is: high temperature organic exhaust gas enters inner tube from inner tube import, and heat exchange is carried out in adsorption layer to be made to give up Temperature degree reduces, while the heat of high temperature organic exhaust gas can carry out organic matter desorption to the adsorption layer that this exchanges heat therewith, make to solve The organic foul smell sucked out is excluded from foul smell pipe；Then organic exhaust gas enters the first of next exhaust-gas treatment tank from inner tube outlet In air collecting chamber, it is then upwardly into the process for carrying out organic matter separation in corresponding adsorption layer, is finally discharged from purification tracheae； When adsorption layer desorption is completed in previous exhaust-gas treatment tank, etc. after the latter adsorption saturation, close previous inner tube import, from The latter inner tube import is passed through high temperature organic exhaust gas, makes desorption and efficacy of adsorption transformation, to reach circulation continuous processing high temperature Auxiliary thermosphere set heating can be used when the temperature of high temperature organic exhaust gas is not enough to desorb active carbon in the effect of organic exhaust gas, auxiliary Help the desorption of active carbon, inner tube can reduce organic exhaust gas temperature by cooling tank, promote it includes organic matter filled by active carbon Divide absorption.

Preferably, the auxiliary thermosphere set includes thermal insulation layer, heating layer and the protective layer being successively bonded from outside to inside, The thermal insulation layer is fixedly connected with the exhaust-gas treatment top tank structure, and the protective layer is close to the active carbon.The effect of the program Be: thermal insulation layer makes the effective isolated temperature of energy between exhaust-gas treatment tank, reduces the influence between two adjacent exhaust-gas treatment tanks, mentions Rise the efficiency of absorption and parsing；Auxiliary thermosphere can provide heat on demand for adsorption layer, and auxiliary activity charcoal is desorbed；Protective layer energy Protect thermal insulation layer.

Preferably, the outlet end of said inner tube is protruded into the first air collecting chamber of the corresponding exhaust-gas treatment tank, The outlet end of said inner tube is connected with gas distribution pipe in disk form, which is located in first air collecting chamber, the gas distribution Qi-emitting hole is evenly distributed on pipe.

Preferably, the gas distribution pipe includes outer endless tube and interior endless tube, and the outer endless tube and interior endless tube are located at same The horizontal plane and center of circle is identical, the outer endless tube and interior endless tube are interconnected by the equally distributed connection straight tube of more annulars, institute It states and is respectively equipped with equally distributed qi-emitting hole on outer endless tube, interior endless tube and connection straight tube, the inner end of all connection straight tubes is converged In same connector, which is connected to the outlet end of inner tube.

The effect of above scheme is: being laid with active carbon among separation net, can guarantee the stream of gas in exhaust-gas treatment tank inner cavity The general character, active carbon can adsorb and parse the organic matter in high temperature organic exhaust gas, can be recycled；Gas distribution pipe can exist organic exhaust gas It sufficiently scatters in first air collecting chamber, enables active carbon uniform adsorption, avoid the contact area of active carbon and organic exhaust gas insufficient, Lead to the position part adsorption saturation close to inner tube outlet, and the active carbon of marginal portion does not adsorb sufficiently, influences adsorption effect, And reduce the utilization rate of active carbon.

Preferably, the purification tracheae of all exhaust-gas treatment tanks is connected with same purifying exhaust pipe, Suo Yousuo The foul smell pipe for stating exhaust-gas treatment tank is connected with same foul smell exhaust pipe, and the input end of all said inner tubes is connected with same air inlet Pipe.

Preferably, said inner tube helical disk is set in adsorption layer.

Preferably, the inducer of each said inner tube, purification tracheae, foul smell pipe are respectively equipped with solenoid valve.

The effect of above scheme is: the design of purifying exhaust pipe, foul smell exhaust pipe and air inlet pipe can be convenient for gas in this system Body it is unified collect, discharge, the operation such as transport；Inducer, purification tracheae, the foul smell pipe of each said inner tube are respectively equipped with electromagnetism Valve can be adsorbed and be desorbed work alternately convenient for exhaust-gas treatment tank convenient for the opening and closing of each pipeline of control；In described Pipe helical disk is set in adsorption layer, can be increased the contact area of inner tube and adsorption layer, be kept heat exchange more abundant.

Preferably, the cooling tank lower end is equipped with cooling water pipe import, and the cooling tank upper end is equipped with cooling water Pipe outlet.

Preferably, said inner tube includes one section of snakelike heat exchange tube, and the snakelike heat exchange tube is curved in vertical plane Folding disk is set, and the snakelike heat exchange tube of all said inner tubes horizontal distribution in cooling tank, the both ends of the snakelike heat exchange tube are stretched respectively The cooling tank out.

The effect of above scheme is: above, cooling water pipe import can make organic exhaust gas and cold in lower section to inner tube upstream end But water carries out convection type heat exchange, and heat transfer effect is more preferable, reduces the temperature of organic exhaust gas sufficiently, is convenient for Activated Carbon toward VOCs-Containing Exhausts It adsorbs more thorough；Snakelike heat exchange tube even level's face distribution in cooling tank inner cavity can be convenient for the management and inspection of every inner tube It repairs, the snakelike extension of snakelike heat exchange tube can increase heat exchange area, reduce the organic exhaust gas temperature in inner tube.

The utility model has the advantages that can continuously be followed using the high temperature organic exhaust gas circulating treating system with thermal compensation of the utility model Ring carries out the processing of high temperature organic exhaust gas, active carbon desorption when need not stop the absorption of organic exhaust gas, while can be to organic waste Gas carries out effective temperature-reducing, and auxiliary heat can be provided for active carbon desorption, improves exhaust treatment efficiency, and improves the benefit of active carbon With rate, whole system structure is simple, easy to operate, environmental protection and energy saving.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the schematic diagram of internal structure of the utility model；

Fig. 3 is the structural schematic diagram of gas distribution pipe 7；

Fig. 4 is the connection schematic diagram of exhaust-gas treatment tank 1, separation net 11 and auxiliary thermosphere set 10；

Fig. 5 is the structural schematic diagram of snakelike heat exchange tube a1.

Specific embodiment

Below with reference to embodiment and attached drawing, the utility model is described in further detail.

As shown in attached drawing 1~5, a kind of high temperature organic exhaust gas circulating treating system with thermal compensation, including at least two is perpendicular To the exhaust-gas treatment tank 1 of setting, 1 bottom of exhaust-gas treatment tank is equipped with air inlet, and the top of the exhaust-gas treatment tank 1 connects respectively It is connected to purification tracheae 2 and foul smell pipe 3；

Horizontal face is set there are two separation net 11 in the exhaust-gas treatment tank 1, thus by 1 inner cavity of exhaust-gas treatment tank from Under be up divided into first air collecting chamber 4, adsorption layer 5 and the second air collecting chamber 6, active carbon shape is filled between two separation nets 11 At the adsorption layer 5, the inner wall of the exhaust-gas treatment tank 1 is equipped with auxiliary thermosphere set 10 around the adsorption layer 5, the auxiliary thermosphere set 10 Between two separation nets 11, the auxiliary thermosphere covers 10 outer walls tight against 1 inner wall of exhaust-gas treatment tank, the auxiliary thermosphere The interior zone of set 10 fills the active carbon, and the auxiliary thermosphere set 10 includes the thermal insulation layer 10a being successively bonded from outside to inside, adds Thermosphere 10b and protective layer 10c, the thermal insulation layer 10a are fixedly connected with 1 inner wall of exhaust-gas treatment tank, and the protective layer 10c is tight The adjacent active carbon, the heating method of the thermal insulation layer 10a are electric heating to be opened/closed.

Inner tube a is equipped in 1 inner cavity of exhaust-gas treatment tank, said inner tube a is embedded in adsorption layer 5, said inner tube a spiral Disk is set in adsorption layer 5, and the input end of said inner tube a is passed down through first air collecting chamber 4 and stretches out the exhaust-gas treatment tank 1 Bottom, the outlet end of said inner tube a is upward through second air collecting chamber 6 and stretches out the top of the exhaust-gas treatment tank 1；On The outlet end of said inner tube a in one exhaust-gas treatment tank 1 is connected to the air inlet of next exhaust-gas treatment tank 1, The outlet end of said inner tube a in the last one described exhaust-gas treatment tank 1 and the air inlet of first exhaust-gas treatment tank 1 connect It is logical；It further include having the same cooling tank 9, the outlet end of all said inner tube a is inserted into respectively behind the inner cavity of the cooling tank 9 The air inlet of the corresponding exhaust-gas treatment tank 1,9 lower end of cooling tank are equipped with cooling water pipe import, 9 upper end of cooling tank It is exported equipped with cooling water pipe.

Said inner tube a includes one section of snakelike heat exchange tube a1, and snakelike heat exchange tube a1 is located in the cooling tank 9, the snake Shape heat exchanger tube a1 is set in vertical plane inner bending disk, and the snakelike heat exchange tube a1 of all said inner tube a is horizontal point in cooling tank 9 The cooling tank 9 is stretched out at cloth, the both ends of the snakelike heat exchange tube a1 respectively.

The outlet end of said inner tube a is protruded into the first air collecting chamber 4 of the corresponding exhaust-gas treatment tank 1, said inner tube a's Outlet end is connected with gas distribution pipe 7 in disk form, which is located in first air collecting chamber 4, on the gas distribution pipe 7 It is even that qi-emitting hole is distributed with.

The gas distribution pipe 7 includes outer endless tube 7a and interior endless tube 7b, and the outer endless tube 7a and interior endless tube 7b are located at same level The face and center of circle is identical, the outer endless tube 7a and interior endless tube 7b are interconnected by the equally distributed connection straight tube 7c of more annulars, Equally distributed qi-emitting hole, all connection straight tubes are respectively equipped on the outer endless tube 7a, interior endless tube 7b and connection straight tube 7c The inner end of 7c is compiled in same connector 7d, and connector 7d is connected to the outlet end of inner tube a.

The purification tracheae 2 of all exhaust-gas treatment tanks 1 is connected with same purifying exhaust pipe, all exhaust-gas treatment tanks 1 foul smell pipe 3 is connected with same foul smell exhaust pipe, and the input end of all said inner tube a is connected with same air inlet pipe, each described Inducer, purification tracheae 2, the foul smell pipe 3 of inner tube a is respectively equipped with solenoid valve.

Finally, it should be noted that foregoing description is only the preferred embodiment of the utility model, the common skill of this field Art personnel are under the enlightenment of the utility model, under the premise of without prejudice to the utility model aims and claim, can make Multiple similar expressions, such transformation each fall within the protection scope of the utility model.

Claims (9)

1. a kind of high temperature organic exhaust gas circulating treating system with thermal compensation, it is characterised in that: vertically arranged including at least two Exhaust-gas treatment tank (1), exhaust-gas treatment tank (1) bottom be equipped with air inlet, the top of the exhaust-gas treatment tank (1) connects respectively It is connected to purification tracheae (2) and foul smell pipe (3)；

Horizontal face is set there are two separation net (11) in the exhaust-gas treatment tank (1), thus by exhaust-gas treatment tank (1) inner cavity It is divided into the first air collecting chamber (4), adsorption layer (5) and the second air collecting chamber (6) from the bottom up, fills and lives between two separation nets (11) Property charcoal form the adsorption layer (5), the inner wall of the exhaust-gas treatment tank (1) is equipped with auxiliary thermosphere set around the adsorption layer (5) (10), which is located between two separation nets (11), and auxiliary thermosphere set (10) outer wall is tight against described useless The interior zone of gas disposal tank (1) inner wall, the auxiliary thermosphere set (10) fills the active carbon；

Inner tube (a) is equipped in exhaust-gas treatment tank (1) inner cavity, said inner tube (a) is embedded in adsorption layer (5), said inner tube (a) input end is passed down through first air collecting chamber (4) and stretches out the bottom of the exhaust-gas treatment tank (1), said inner tube (a) Outlet end be upward through second air collecting chamber (6) and stretch out the top of the exhaust-gas treatment tank (1)；

The outlet end of said inner tube (a) in a upper exhaust-gas treatment tank (1) and next exhaust-gas treatment tank (1) Air inlet is connected to, at the outlet end of the said inner tube (a) in the last one described exhaust-gas treatment tank (1) and first exhaust gas Manage the air inlet connection of tank (1)；

It further include having the same cooling tank (9), after the outlet end of all said inner tubes (a) passes through the inner cavity of the cooling tank (9) It is inserted into the air inlet of the corresponding exhaust-gas treatment tank (1) respectively.

2. the high temperature organic exhaust gas circulating treating system according to claim 1 with thermal compensation, it is characterised in that: described auxiliary Thermosphere set (10) includes the thermal insulation layer (10a), heating layer (10b) and protective layer (10c) being successively bonded from outside to inside, described heat-insulated Layer (10a) is fixedly connected with exhaust-gas treatment tank (1) inner wall, and the protective layer (10c) is close to the active carbon.

3. the high temperature organic exhaust gas circulating treating system according to claim 2 with thermal compensation, it is characterised in that: in described The outlet end of pipe (a) is protruded into the first air collecting chamber (4) of the corresponding exhaust-gas treatment tank (1), the outlet end of said inner tube (a) Gas distribution pipe in disk form (7) are connected with, which is located in first air collecting chamber (4), on the gas distribution pipe (7) It is evenly distributed with qi-emitting hole.

4. the high temperature organic exhaust gas circulating treating system according to claim 3 with thermal compensation, it is characterised in that: the cloth Tracheae (7) includes outer endless tube (7a) and interior endless tube (7b), the outer endless tube (7a) and interior endless tube (7b) be located at same level and The center of circle is identical, and the outer endless tube (7a) is mutually interconnected with interior endless tube (7b) by the equally distributed connection straight tube (7c) of more annulars It is logical, equally distributed qi-emitting hole is respectively equipped in the outer endless tube (7a), interior endless tube (7b) and connection straight tube (7c), it is all described The inner end of connection straight tube (7c) is compiled in same connector (7d), which is connected to the outlet end of inner tube (a).

5. the high temperature organic exhaust gas circulating treating system according to claim 1 with thermal compensation, it is characterised in that: Suo Yousuo The purification tracheae (2) for stating exhaust-gas treatment tank (1) is connected with same purifying exhaust pipe, the foul smell of all exhaust-gas treatment tanks (1) Pipe (3) is connected with same foul smell exhaust pipe, all said inner tubes

(a) input end is connected with same air inlet pipe.

6. the high temperature organic exhaust gas circulating treating system according to claim 1 with thermal compensation, it is characterised in that: in described (a) helical disk is managed to be set in adsorption layer (5).

7. the high temperature organic exhaust gas circulating treating system according to claim 1 with thermal compensation, it is characterised in that: Mei Gesuo Inducer, purification tracheae (2), the foul smell pipe (3) for stating inner tube (a) are respectively equipped with solenoid valve.

8. the high temperature organic exhaust gas circulating treating system according to claim 1 with thermal compensation, it is characterised in that: described cold But tank (9) lower end is equipped with cooling water pipe import, and cooling tank (9) upper end is exported equipped with cooling water pipe.

9. the high temperature organic exhaust gas circulating treating system according to claim 1 with thermal compensation, it is characterised in that: in described Managing (a) includes one section of snakelike heat exchange tube (a1), which is located in the cooling tank (9), the snakelike heat exchange Pipe (a1) is set in vertical plane inner bending disk, all said inner tubes

(a) snakelike heat exchange tube (a1) stretches out respectively at cooling tank (9) interior horizontal distribution, the both ends of the snakelike heat exchange tube (a1) The cooling tank (9).