CN214389562U - Energy-saving zeolite runner concentrated oxidation VOCs processing apparatus - Google Patents
Energy-saving zeolite runner concentrated oxidation VOCs processing apparatus Download PDFInfo
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- CN214389562U CN214389562U CN202120275017.3U CN202120275017U CN214389562U CN 214389562 U CN214389562 U CN 214389562U CN 202120275017 U CN202120275017 U CN 202120275017U CN 214389562 U CN214389562 U CN 214389562U
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Abstract
The utility model relates to an energy-saving zeolite runner concentrated oxidation VOCs processing apparatus, through connecting cooling gas input tube and waste gas input tube, and input low temperature waste gas into zeolite runner, cool down, then through cooling gas output tube conveying back waste gas input tube, and convey to zeolite runner and adsorb, be connected with desorption intake pipe and desorption outlet duct on zeolite runner, can effectively desorb the organic matter of adsorbing in zeolite runner, and convey to heater and reactor through the second fan and carry out oxidation reaction, can produce heat energy in oxidation reaction process, and convey to the heat exchanger through the oxidation gas-supply pipe, the heat exchanger transmits the heat in the oxidation gas-supply pipe to the heater, improve the heating efficiency of heater, and convey the gas after the heat transfer to the desorption intake pipe through the oxidation exhaust pipe, carry out desorption in the zeolite runner, and the desorption air outlet pipe is conveyed to the heater under the action of the second fan for circulation, so that the heat loss is reduced.
Description
Technical Field
The utility model relates to an organic waste gas treatment technical field specifically is an energy-saving zeolite runner concentrated oxidation VOCs processing apparatus.
Background
VOCs (volatile organic compounds) are, by definition of the World Health Organization (WHO), various organic compounds having a boiling point of 50 ℃ to 260 ℃ at ambient temperature. In China, VOCs refer to organic compounds with saturated vapor pressure of more than 70Pa at normal temperature and boiling point of below 260 ℃ at normal pressure, or all organic compounds with vapor pressure of more than or equal to 10Pa and volatility at 20 ℃.
Generally, they are classified into non-methane hydrocarbons (NMHCs), oxygen-containing organic compounds, halogenated hydrocarbons, nitrogen-containing organic compounds, sulfur-containing organic compounds, and the like. VOCs participate in the formation of ozone and secondary aerosols in the atmospheric environment, which have important effects on regional atmospheric ozone pollution and PM2.5 pollution. Most VOCs have unpleasant special odor and have toxic, irritant, teratogenic and carcinogenic effects, and particularly benzene, toluene, formaldehyde and the like cause great harm to human health. VOCs are important precursors causing city dust haze and photochemical smog, mainly come from the processes of coal chemical industry, petrochemical industry, fuel coating manufacturing, solvent manufacturing and using and the like, so waste gas generated in the production process needs to be treated, a zeolite rotating wheel and catalytic oxidation are common technologies for treating organic waste gas in the prior art, mainly aims to convert organic waste gas with large air quantity and low concentration into organic gas with small air quantity and high concentration through zeolite rotating wheel equipment, then convert the organic matter into carbon dioxide and water through catalytic oxidation reaction, but in the existing VOCs treatment device, external cold air is input into the zeolite rotating wheel, then heat exchange is carried out through a heater and a heat exchanger to meet desorption conditions, cold air enters in the process, hot air is discharged, a large amount of heat energy is wasted, the operation cost is high, and a VOCs treatment device is provided by the patent document with the application number of CN201921960200.6, a part of VOCs gas is input into a cooling zone of the zeolite rotating wheel to be led to one of the air inlet pipes, led out from the corresponding air outlet pipe and led to a desorption zone of the zeolite rotating wheel, and then led out from the desorption zone of the zeolite rotating wheel to the other air inlet pipe and discharged from the other air outlet pipe to the heat accumulating type oxidation furnace, and an outlet of the heat accumulating type oxidation furnace is led to the heat exchange chamber through a pipeline and led to a chimney through a honeycomb heat exchange pipe.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an energy-saving zeolite runner concentrated oxidation VOCs processing apparatus to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an energy-saving zeolite runner concentrated oxidation VOCs processing apparatus, includes dust filter, zeolite runner, heat exchanger, heater, reactor and chimney, the zeolite runner includes waste gas entry, exhaust outlet, cooling gas entry, cooling gas export, desorption entry and desorption export, the waste gas entry is provided with the waste gas input tube, be provided with dust filter on the waste gas input tube, dust filter's right side is provided with first fan, be provided with the waste gas output tube between waste gas export and the chimney, be connected with cooling gas input tube and cooling gas output tube on the waste gas input tube of the both sides of fan respectively, the tail end of cooling gas input tube and cooling gas output tube is connected with cooling gas entry and cooling gas export respectively, the outside of zeolite runner is provided with the heat exchanger, be provided with the desorption outlet duct between heat exchanger and the desorption export, the desorption gas outlet pipe is provided with a second fan, the output end of the heat exchanger is sequentially connected with a heater and a reactor, an oxidation gas pipe is arranged between the output end of the reactor and the heat exchanger, an oxidation exhaust pipe is arranged between the heat exchanger and a chimney, and a desorption gas inlet pipe is arranged between the oxidation exhaust pipe and a desorption inlet.
As a further aspect of the present invention: a first bypass pipe is arranged between the desorption air inlet pipe and the desorption air outlet pipe.
As a further aspect of the present invention: and a second bypass pipe is arranged between the oxidation gas conveying pipe and the oxidation exhaust pipe.
As a further aspect of the present invention: and a gas supply pipe is arranged on the desorption gas outlet pipe and is positioned between the second fan and the zeolite rotating wheel.
As a further aspect of the present invention: and valves are arranged on the waste gas input pipe, the cooling gas input pipe, the desorption gas outlet pipe, the oxidation gas conveying pipe, the oxidation exhaust pipe, the first bypass pipe, the second bypass pipe and the gas supply pipe.
As a further aspect of the present invention: and a valve on the oxygen exhaust pipe is positioned between the chimney and the desorption air inlet pipe.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses a connect cooling gas input tube and waste gas input tube, and input the low temperature waste gas in the waste gas input tube in the middle of the zeolite runner through cooling gas entry, cool down the zeolite runner, and through cooling gas export with the waste gas after carrying out cooling effect through cooling gas export carry back the waste gas input tube, and carry to the zeolite runner and carry out the absorption of organic matter, unnecessarily introduce the cooling gas from the external world and heat up, make the zeolite runner accomplish self-circulation, prevent the waste of heat energy, be connected with desorption intake pipe and desorption outlet duct respectively through desorption entry and desorption export on the zeolite runner, can effectively desorb the organic matter that adsorbs in the zeolite runner, and carry to heater and reactor through the second fan and carry out oxidation reaction, can produce heat energy in the oxidation reaction process, and carry to the heat exchanger through the oxidation gas-supply pipe, the heat in the oxidation gas transmission pipe is transmitted to the heater through the heat exchanger, the heating time of the heater is saved, the heating efficiency of the heater is improved, the reaction gas after heat exchange is thrown to have certain temperature and is transmitted into the desorption gas inlet pipe through the oxidation gas exhaust pipe, the temperature at the moment is more consistent with the temperature required by the desorption of the zeolite runner, the organic matters in the zeolite runner are desorbed through the desorption gas inlet pipe and are transmitted to the heater under the action of the second fan through the desorption gas outlet pipe to carry out the next round of circulation, in the desorption circulation of the utility model, effective hot gas is not discharged through a chimney, but is transmitted to the heater and the desorption gas inlet pipe through the heat exchanger, so that the heat is circulated in the whole equipment, the heat loss is reduced, the energy is saved, the operation cost is greatly reduced, and simultaneously, the utility model has no desorption heater used by the traditional equipment, the equipment cost is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of an energy-saving zeolite wheel VOCs concentration and oxidation treatment device of the present invention;
fig. 2 is an enlarged view of a portion of a in fig. 1 according to the present invention.
In the figure: 1. a dust filter; 2. a zeolite wheel; 3. a heat exchanger; 4. a heater; 5. a reactor; 6. a chimney; 7. an exhaust gas inlet; 8. an exhaust gas outlet; 9. a cooling gas inlet; 10. a cooling gas outlet; 11. a desorption inlet; 12. a desorption outlet; 13. an exhaust gas input pipe; 14. a first fan; 15. an exhaust gas outlet pipe; 16. a cooling gas input pipe; 17. a cooling gas outlet pipe; 18. desorbing the gas outlet pipe; 19. a second fan; 20. an oxidation gas delivery pipe; 21. oxidizing the exhaust pipe; 22. desorbing the air inlet pipe; 23. a first bypass pipe; 24. a second bypass pipe; 25. a gas supply pipe; 26. and (4) a valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to fig. 2, in the embodiment of the present invention:
an energy-saving zeolite runner concentrated oxidation VOCs processing apparatus, includes dust filter 1, zeolite runner 2, heat exchanger 3, heater 4, reactor 5 and chimney 6, zeolite runner 2 includes waste gas entry 7, exhaust outlet 8, cooling gas entry 9, cooling gas export 10, desorption entry 11 and desorption export 12, waste gas entry 7 department is provided with waste gas input tube 13, be provided with dust filter 1 on the waste gas input tube 13, dust filter 1's right side is provided with first fan 14, be provided with waste gas output tube 15 between waste gas export 8 and the chimney 6, be connected with cooling gas input tube 16 and cooling gas output tube 17 on the waste gas input tube 13 of the both sides of first fan 14 respectively, the tail end of cooling gas input tube 16 and cooling gas output tube 17 is connected with cooling gas entry 9 and cooling gas export 10 respectively, the outside of zeolite runner 2 is provided with heat exchanger 3, be provided with desorption outlet duct 18 between heat exchanger 3 and the desorption export 12, be provided with second fan 19 on the desorption outlet duct 18, the output of heat exchanger 3 has connected gradually heater 4 and reactor 5, be provided with oxidation gas-supply pipe 20 between the output of reactor 5 and the heat exchanger 3, be provided with oxidation blast pipe 21 between heat exchanger 3 and the chimney 6, be provided with desorption intake pipe 22 between oxidation blast pipe 21 and the desorption entry 11.
In the embodiment of the present invention: the desorption air inlet pipe 22 and the desorption air outlet pipe 18 are provided with the first bypass pipe 23, so that the equipment can be quickly preheated, and energy is saved.
In the embodiment of the present invention: a second bypass pipe 24 is arranged between the oxidation gas conveying pipe 20 and the oxidation exhaust pipe 21, and when heat generated by oxidation reaction does not need to be exchanged, the heat can be directly conveyed to the chimney 6 through the second bypass pipe 24 and the oxidation exhaust pipe 21 to be exhausted.
In the embodiment of the present invention: and a gas supply pipe 25 is arranged on the desorption outlet pipe 18, and the gas supply pipe 25 is positioned between the second fan 19 and the zeolite rotating wheel 2 and can supply gas into the desorption outlet pipe 18.
In the embodiment of the present invention: and valves 26 are arranged on the waste gas input pipe 13, the cooling gas input pipe 16, the desorption gas outlet pipe 18, the oxidation gas conveying pipe 20, the oxidation exhaust pipe 21, the first bypass pipe 23, the second bypass pipe 24 and the gas supply pipe 25, so that the pipelines can be opened and closed conveniently.
In the embodiment of the present invention: the valve 26 on the oxidation exhaust pipe 21 is positioned between the chimney 6 and the desorption inlet pipe 22, so that the hot air in the oxidation exhaust pipe 21 can be conveniently conveyed to the desorption inlet pipe 22.
The utility model discloses a theory of operation is:
when the device is used, the valves 26 on the oxidation exhaust pipe 21, the first bypass pipe 23 and the gas supply pipe 25 are closed, other valves 26 are opened, the device is heated by the heater 4, the device can be quickly preheated under the action of the oxidation gas transmission pipe 20, the oxidation exhaust pipe 21 and the first bypass pipe 23, after the preheating is completed, the valve 26 on the first bypass pipe 23 is closed, energy is saved, organic waste gas with large air quantity and low concentration reaches the dust filter 1 through the waste gas input pipe 13 under the action of the first fan 14, dust and impurities contained in the organic waste gas are filtered, then the organic substances enter the zeolite rotating wheel 2 through the waste gas inlet 7 for adsorption, then the clean gas enters the waste gas output pipe 15 through the waste gas outlet 8 and is discharged to the outside through the chimney 6, in the process, the organic substances adsorbed by the zeolite rotating wheel 2 are desorbed through the desorption gas inlet pipe 22 under the action of the second fan 19, and the organic waste gas with small air quantity and high concentration is conveyed to the heat exchanger 3 for heat exchange through the desorption air outlet pipe 18 under the action of the second fan 19, then the organic waste gas is conveyed to the heater 4 for heating, the heated organic waste gas enters the reactor 5 for oxidation reaction, a large amount of heat is generated in the oxidation reaction process, and is conveyed to the heat exchanger 3 through the oxidation air conveying pipe 20, the temperature in the oxidation air conveying pipe 20 can reach about 300-400 ℃, the heat is transferred to the organic waste gas entering the heater 4 through the heat exchanger 3, the other part is conveyed to the oxidation exhaust pipe 21 and is conveyed to the desorption air inlet pipe 22 through the oxidation exhaust pipe 21, the temperature in the oxidation exhaust pipe 21 and the desorption air inlet pipe 22 is about 150 ℃, the desorption requirement of the zeolite runner 2 is met, and the desorption air inlet pipe 22 blows off the organic matters adsorbed in the zeolite runner 2 through the desorption inlet 11, realize the desorption process, and carry to desorption outlet duct 18 through desorption export 12, and realize next round of circulation under the effect of second fan 19, simultaneously, in the desorption process, in the middle of, the waste gas of inputting by waste gas input tube 13 divides partly to get into in zeolite runner 2 through cooling gas inlet 9 through cooling gas input tube 16, cool down zeolite runner 2, later, this part organic waste gas gets into cooling gas output tube 17 through cooling gas outlet 10, and feedback to waste gas input tube 13, get into zeolite runner 2 through waste gas input tube 13 and carry out the absorption of organic matter, the utility model discloses be provided with gas supply pipe 25, when supplying gas in desorption outlet duct 18 through gas supply pipe 25, need open valve 26 on oxidation exhaust pipe 21, make supply volume and discharge capacity equal, the utility model is provided with second bypass pipe 24, when heat exchange of heat generated by the oxidation reaction is not required, the heat can be directly sent to the chimney 6 through the second bypass pipe 24 and the oxidation exhaust pipe 21 to be discharged.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an energy-saving zeolite runner concentrated oxidation VOCs processing apparatus, includes dust filter (1), zeolite runner (2), heat exchanger (3), heater (4), reactor (5) and chimney (6), zeolite runner (2) are including waste gas entry (7), exhaust outlet (8), cooling gas entry (9), cooling gas export (10), desorption entry (11) and desorption export (12), waste gas entry (7) department is provided with waste gas input tube (13), be provided with dust filter (1) on waste gas input tube (13), the right side of dust filter (1) is provided with first fan (14), be provided with between waste gas export (8) and chimney (6) waste gas output tube (15), its characterized in that: the waste gas treatment device is characterized in that a cooling gas input pipe (16) and a cooling gas output pipe (17) are respectively connected onto waste gas input pipes (13) on two sides of a first fan (14), tail ends of the cooling gas input pipe (16) and the cooling gas output pipe (17) are respectively connected with a cooling gas inlet (9) and a cooling gas outlet (10), a heat exchanger (3) is arranged on the outer side of the zeolite rotating wheel (2), a desorption gas outlet pipe (18) is arranged between the heat exchanger (3) and the desorption outlet (12), a second fan (19) is arranged on the desorption gas outlet pipe (18), an output end of the heat exchanger (3) is sequentially connected with a heater (4) and a reactor (5), an oxidation gas pipe (20) is arranged between an output end of the reactor (5) and the heat exchanger (3), and an oxidation gas outlet pipe (21) is arranged between the heat exchanger (3) and a chimney (6), and a desorption air inlet pipe (22) is arranged between the oxidation exhaust pipe (21) and the desorption inlet (11).
2. The energy-saving zeolite wheel concentrated oxidation VOCs processing apparatus of claim 1, characterized in that: a first bypass pipe (23) is arranged between the desorption air inlet pipe (22) and the desorption air outlet pipe (18).
3. The energy-saving zeolite wheel concentrated oxidation VOCs processing apparatus of claim 2, characterized in that: and a second bypass pipe (24) is arranged between the oxidation gas conveying pipe (20) and the oxidation exhaust pipe (21).
4. The energy-saving zeolite wheel concentrated oxidation VOCs processing apparatus of claim 3, characterized in that: and a gas supply pipe (25) is arranged on the desorption gas outlet pipe (18), and the gas supply pipe (25) is positioned between the second fan (19) and the zeolite rotating wheel (2).
5. The energy-saving zeolite wheel concentrated oxidation VOCs processing apparatus of claim 4, characterized in that: and valves (26) are arranged on the waste gas input pipe (13), the cooling gas input pipe (16), the desorption gas outlet pipe (18), the oxidation gas conveying pipe (20), the oxidation exhaust pipe (21), the first bypass pipe (23), the second bypass pipe (24) and the gas supply pipe (25).
6. The energy-saving zeolite wheel concentrated oxidation VOCs processing apparatus of claim 5, characterized in that: and a valve (26) on the oxidation exhaust pipe (21) is positioned between the chimney (6) and the desorption air inlet pipe (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120275017.3U CN214389562U (en) | 2021-01-29 | 2021-01-29 | Energy-saving zeolite runner concentrated oxidation VOCs processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120275017.3U CN214389562U (en) | 2021-01-29 | 2021-01-29 | Energy-saving zeolite runner concentrated oxidation VOCs processing apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN214389562U true CN214389562U (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120275017.3U Active CN214389562U (en) | 2021-01-29 | 2021-01-29 | Energy-saving zeolite runner concentrated oxidation VOCs processing apparatus |
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| CN (1) | CN214389562U (en) |
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2021
- 2021-01-29 CN CN202120275017.3U patent/CN214389562U/en active Active
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