Waste gas treatment device for straw pellet fuel production

Abstract

The utility model is suitable for the technical field of straw pellet fuel production, and provides a waste gas treatment device for straw pellet fuel production, which comprises a filter plate arranged on a filter box and used for filtering dust in waste gas generated in the straw pellet fuel production process, the treatment box is assembled on one side of the filter box and is used for storing treatment liquid for treating harmful substances in the waste gas, and an activated carbon adsorption box for adsorbing organic oxides in the waste gas is arranged on one side of the treatment box; and the cleaning mechanism is arranged on the filter box and is used for cleaning the dust filtered on the filter plate. According to the waste gas treatment device for straw pellet fuel production, waste gas generated during straw pellet fuel production can be subjected to multiple purification treatment, the waste gas treatment effect is effectively improved, and environmental pollution is reduced.

Description

Technical Field

[0001] This utility model belongs to the field of straw pellet fuel production technology, and in particular relates to a waste gas treatment device for straw pellet fuel production. Background Technology

[0002] Straw pellet fuel is a type of renewable energy fuel made by pressing agricultural crops such as corn stalks, wheat stalks, and rice straw into pellets at high temperatures using a straw pellet mill.

[0003] When processing straw pellet fuel using appropriate equipment, a significant amount of waste gas is generated, containing dust, sulfides, and volatile organic compounds. To reduce environmental pollution, waste gas treatment devices for straw pellet fuel production are needed. However, existing waste gas treatment devices for straw pellet fuel production employ a single treatment method, resulting in poor treatment efficiency. A search revealed a patent document with authorization publication number CN221999441U, which discloses a waste gas treatment device for straw pellet fuel production, but it also suffers from the same problem during use. Utility Model Content

[0004] This utility model provides a waste gas treatment device for straw pellet fuel production, aiming to solve the problem of poor waste gas treatment effect of the currently used waste gas treatment devices for straw pellet fuel production mentioned in the background art.

[0005] To solve the above problems, this utility model is implemented as follows: a waste gas treatment device for straw pellet fuel production, comprising: a filter plate disposed on a filter box for filtering dust in the waste gas generated during the straw pellet fuel production process; a treatment tank assembled on one side of the filter box for storing treatment liquid used to treat harmful substances in the waste gas, and an activated carbon adsorption tank disposed on one side of the treatment tank for adsorbing organic oxides in the waste gas; and a cleaning mechanism disposed on the filter box for cleaning the dust filtered on the filter plate.

[0006] Preferably, the cleaning mechanism includes: a first servo motor fixedly mounted on the filter box; a mounting shaft rotatably mounted on the filter box and a plurality of filter plates, one end of the mounting shaft being fixedly connected to the output shaft of the first servo motor; a plurality of cleaning brushes fixedly mounted on the mounting shaft for cleaning the dust filtered on the filter plates, the cleaning brushes being in contact with the filter plates; and a discharge mechanism disposed on the filter box for discharging the dust cleaned by the cleaning brushes.

[0007] Preferably, the discharge mechanism includes: a first fan assembled on one side of the filter box, with a bent pipe connected to the air inlet end of the first fan; and multiple cleaning pipes fixedly installed inside the filter box, all of which are connected to the bent pipe, and each cleaning pipe has multiple collection ports.

[0008] Preferably, the filter box and the treatment box are provided with a mixing mechanism for discharging the dust-removed waste gas into the treatment box and mixing it with the treatment liquid. The mixing mechanism includes: a vacuum pump fixedly installed on one side of the outer wall of the filter box, the inlet end of the vacuum pump being connected to the filter box; a connecting pipe fixedly installed on the treatment box, the connecting pipe being connected to the outlet end of the vacuum pump; a shaft tube disposed in the treatment box, the shaft tube and the connecting pipe being sealed and rotatably connected, and a plurality of stirring rods for mixing and stirring the waste gas and the treatment liquid being fixedly installed on the shaft tube; a dispersing box fixedly installed on the shaft tube, the dispersing box being provided with a nozzle, and the dispersing box being connected to the shaft tube; and a rotating mechanism assembled on the dispersing box and the treatment box for driving the dispersing box and the stirring rods to rotate.

[0009] Preferably, the rotating mechanism includes: a second servo motor fixedly installed at the bottom of the processing box; and a rotating shaft rotatably installed on the processing box, with both ends of the rotating shaft fixedly connected to the output shaft of the second servo motor and the bottom of the dispensing box, respectively.

[0010] Preferably, the treatment tank is provided with a spraying mechanism for spraying the treatment liquid in the treatment tank and for re-contacting the waste gas. The spraying mechanism includes: a circulation pump fixedly installed on the outer wall of the treatment tank, the water inlet of the circulation pump being connected to the treatment tank; and a spray pipe fixedly installed on the inner wall of the top of the treatment tank, the spray pipe being connected to the water outlet of the circulation pump, and the spray pipe being provided with multiple spray heads.

[0011] Preferably, the treatment box and the activated carbon adsorption box are provided with a diversion mechanism for diverting the treated waste gas in the treatment box to the activated carbon adsorption box. The diversion mechanism includes: a second fan assembled on one side of the activated carbon adsorption box, the air inlet of the second fan being connected to the activated carbon adsorption box; and an installation pipe fixedly installed on the outer wall of one side of the treatment box, the two ends of the installation pipe being connected to the treatment box and the activated carbon adsorption box respectively.

[0012] Preferably, the filter box is provided with an air inlet pipe, which is used to introduce the exhaust gas generated during the production of straw pellet fuel into the filter box.

[0013] Compared with related technologies, the waste gas treatment device for straw pellet fuel production provided by this utility model has the following beneficial effects:

[0014] Compared with existing technologies, the waste gas treatment device for straw pellet fuel production provided in this solution can perform multiple purification treatments on the waste gas generated during straw pellet fuel production, effectively improving the waste gas treatment effect and reducing environmental pollution. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the main structure of a waste gas treatment device for straw pellet fuel production provided by this utility model;

[0016] Figure 2 This is a schematic diagram of the front sectional view of the present invention;

[0017] Figure 3 for Figure 2 An enlarged structural diagram of part A shown in the figure;

[0018] Figure 4 for Figure 2 The diagram shows an enlarged view of part B.

[0019] Reference numerals: 1. Filter box; 2. Filter plate; 3. Processing box; 4. Activated carbon adsorption box; 5. First servo motor; 6. Mounting shaft; 7. Cleaning brush; 8. First fan; 801. Bend; 802. Cleaning pipe; 9. Air pump; 10. Connecting pipe; 11. Shaft pipe; 12. Dispersing box; 13. Second servo motor; 14. Rotating shaft; 15. Stirring rod; 16. Circulation pump; 18. Spray pipe; 19. Second fan; 20. Mounting pipe. Detailed Implementation

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings are used to distinguish different objects, not to describe a particular order; the terms "inner," "outer," "left," and "right" indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0021] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0022] This utility model embodiment provides a waste gas treatment device for straw pellet fuel production, such as... Figure 1-4 As shown, the waste gas treatment device for straw pellet fuel production includes: a filter plate 2 installed on a filter box 1 for filtering dust in the waste gas generated during the straw pellet fuel production process; a treatment box 3 installed on one side of the filter box 1 for storing treatment liquid used to treat harmful substances in the waste gas, and an activated carbon adsorption box 4 for adsorbing organic oxides in the waste gas is provided on one side of the treatment box 3; and a cleaning mechanism installed on the filter box 1 for cleaning the dust filtered on the filter plate 2.

[0023] In this embodiment, when treating the waste gas generated from straw pellet fuel production, the waste gas pipeline is connected to the filter box 1. The waste gas enters the filter box 1 and passes through multiple filter plates 2 with different mesh sizes to filter the dust particles in the waste gas. The dust-removed waste gas enters the treatment box 3 and mixes with the corresponding treatment liquid to treat some sulfides in the waste gas. The waste gas after further treatment enters the activated carbon adsorption box 4 to adsorb the organic oxides in the waste gas. Through the entire device, the waste gas generated from straw pellet fuel production can be purified in multiple ways, effectively improving the waste gas treatment effect and reducing environmental pollution. When it is necessary to clean the dust filtered on the filter plates 2, the cleaning mechanism can be started by the controller set on the device to avoid the filter plates 2 from clogging and improve the dust filtration effect in the waste gas.

[0024] In a further preferred embodiment of this utility model, the cleaning mechanism includes: a first servo motor 5 fixedly mounted on the filter box 1; a mounting shaft 6 rotatably mounted on the filter box 1 and the plurality of filter plates 2, one end of the mounting shaft 6 being fixedly connected to the output shaft of the first servo motor 5; a plurality of cleaning brushes 7 fixedly mounted on the mounting shaft 6 for cleaning the dust filtered on the filter plates 2, the cleaning brushes 7 being in contact with the filter plates 2; and a discharge mechanism disposed on the filter box 1 for discharging the dust cleaned by the cleaning brushes 7.

[0025] In this embodiment, when using the cleaning mechanism, the controller starts the first servo motor 5 to drive the multiple cleaning brushes 7 on the mounting shaft 6 to rotate, thereby cleaning the dust filtered on the filter plate 2. At the same time, the discharge mechanism is started to discharge the cleaned dust out of the filter box 1 in a timely manner. The cleaning is convenient and simple, avoiding the clogging of the filter plate 2 and improving the effect of dust filtration in the exhaust gas.

[0026] In a further preferred embodiment of the present invention, the discharge mechanism includes: a first fan 8 assembled on one side of the filter box 1, with a bent pipe 801 connected to the air inlet end of the first fan 8; and a plurality of cleaning pipes 802 fixedly installed in the filter box 1, wherein the plurality of cleaning pipes 802 are connected to the bent pipe 801, and the cleaning pipes 802 are provided with a plurality of collection ports.

[0027] In this embodiment, when using the discharge mechanism, the air outlet of the first fan 8 is first connected to the corresponding discharge pipe or collection filter bag. The first fan 8 is started by the controller. The dust cleaned by the cleaning brush 7 is discharged from the filter box 1 in a timely manner through the cooperation of the cleaning pipe 802 and the bend pipe 801. The cleaning is convenient and simple, avoiding the clogging of the filter plate 2 and improving the effect of dust filtration in the exhaust gas.

[0028] In a further preferred embodiment of this utility model, the filter box 1 and the treatment box 3 are provided with a mixing mechanism for discharging the dust-removed waste gas into the treatment box 3 and mixing it with the treatment liquid. The mixing mechanism includes: a vacuum pump 9 fixedly installed on the outer wall of one side of the filter box 1, the air inlet of the vacuum pump 9 being connected to the filter box 1; a connecting pipe 10 fixedly installed on the treatment box 3, the connecting pipe 10 being connected to the air outlet of the vacuum pump 9; a shaft tube 11 disposed in the treatment box 3, the shaft tube 11 and the connecting pipe 10 being sealed and rotatably connected, and a plurality of stirring rods 15 for mixing and stirring the waste gas and the treatment liquid being fixedly installed on the shaft tube 11; a dispersing box 12 fixedly installed on the shaft tube 11, the dispersing box 12 being provided with a nozzle, and the dispersing box 12 being connected to the shaft tube 11; and a rotating mechanism assembled on the dispersing box 12 and the treatment box 3 for driving the dispersing box 12 and the stirring rods 15 to rotate.

[0029] In this embodiment, when treating exhaust gas, the air pump 9 is started by the controller. The exhaust gas filtered and dust-removed in the filter box 1 enters the shaft tube 11 through the connecting pipe 10. Then, it reacts with the treatment liquid in the dispersing box 12 and the treatment box 3, thereby treating the harmful substances in the exhaust gas. At the same time, the rotating mechanism is started to drive the dispersing box 12, the shaft tube 11 and the stirring rod 15 to rotate, so that the treatment liquid and the exhaust gas can be fully contacted, effectively improving the effect of exhaust gas treatment.

[0030] In a further preferred embodiment of the present invention, the rotating mechanism includes: a second servo motor 13 fixedly installed at the bottom of the processing box 3; and a rotating shaft 14 rotatably installed on the processing box 3, the two ends of the rotating shaft 14 being fixedly connected to the output shaft of the second servo motor 13 and the bottom of the dispensing box 12, respectively.

[0031] In this embodiment, when using the rotating mechanism, the second servo motor 13 is started by the controller to drive the rotating shaft 14 to rotate, thereby driving the dispersing box 12, the shaft tube 11 and the stirring rod 15 to rotate, so that the treatment liquid and the waste gas can be fully contacted, effectively improving the treatment effect of the waste gas.

[0032] In a further preferred embodiment of this utility model, the treatment tank 3 is provided with a spraying mechanism for spraying the treatment liquid in the treatment tank 3 and for re-contacting the waste gas. The spraying mechanism includes: a circulation pump 16 fixedly installed on the outer wall of the treatment tank 3, the water inlet of the circulation pump 16 being connected to the treatment tank 3; and a spray pipe 18 fixedly installed on the inner wall of the top of the treatment tank 3, the spray pipe 18 being connected to the water outlet of the circulation pump 16, and the spray pipe 18 being provided with multiple spray heads.

[0033] In this embodiment, when treating exhaust gas, the circulation pump 16 is started by the controller, and the treatment liquid in the treatment tank 3 is drawn into the spray pipe 18. It is then sprayed down from the top of the treatment tank 3 through the spray head, so that it can come into contact with the exhaust gas rising in the treatment tank 3 again, thereby further treating the exhaust gas and effectively improving the treatment effect.

[0034] In a further preferred embodiment of this utility model, the treatment box 3 and the activated carbon adsorption box 4 are provided with a diversion mechanism for diverting the treated waste gas in the treatment box 3 to the activated carbon adsorption box 4. The diversion mechanism includes: a second fan 19 mounted on one side of the activated carbon adsorption box 4, the air inlet end of the second fan 19 being connected to the activated carbon adsorption box 4; and an installation pipe 20 fixedly installed on the outer wall of one side of the treatment box 3, the two ends of the installation pipe 20 being connected to the treatment box 3 and the activated carbon adsorption box 4 respectively.

[0035] In this embodiment, when treating waste gas, the second fan 19 is started by the controller, and with the cooperation of the installation pipe 20, the treated waste gas is drawn into the activated carbon adsorption box 4, so that the organic oxides in the waste gas can be adsorbed and treated.

[0036] In a further preferred embodiment of the present invention, an air inlet pipe is provided on the filter box 1, which is used to introduce the exhaust gas generated during the production of straw pellet fuel into the filter box 1.

[0037] In this embodiment, the exhaust gas generated during the production of straw pellet fuel is introduced into the filter box 1 for filtration through the air inlet pipe.

[0038] In summary, compared with related technologies, the entire device can perform multiple purification treatments on the waste gas generated from straw pellet fuel production, effectively improving the waste gas treatment effect and reducing environmental pollution.

[0039] It should be understood, in the several embodiments provided in this application, that the disclosed apparatus may be implemented in other ways.

[0040] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. A waste gas treatment device for straw pellet fuel production, characterized in that, include: A filter plate installed on a filter box to filter dust in the exhaust gas generated during the production of straw pellet fuel. A treatment tank is installed on one side of the filter box for storing treatment liquid used to treat harmful substances in the waste gas, and an activated carbon adsorption box is provided on one side of the treatment tank for adsorbing organic oxides in the waste gas. A cleaning mechanism installed on the filter box for cleaning the dust filtered on the filter plate.

2. The waste gas treatment device for straw pellet fuel production as described in claim 1, characterized in that, The cleaning mechanism includes: A first servo motor is fixedly installed on the filter box; A mounting shaft is rotatably mounted on the filter box and the plurality of filter plates, one end of which is fixedly connected to the output shaft of the first servo motor. Multiple cleaning brushes fixedly mounted on the mounting shaft are used to clean the dust filtered on the filter plate, and the cleaning brushes are in contact with the filter plate; A discharge mechanism is installed on the filter box to discharge the dust cleaned by the cleaning brush.

3. The waste gas treatment device for straw pellet fuel production as described in claim 2, characterized in that, The material discharge mechanism includes: A first fan is mounted on one side of the filter box, and a bend is connected to the air inlet end of the first fan; Multiple cleaning pipes are fixedly installed inside the filter box, and each cleaning pipe is connected to the bend pipe. Multiple collection ports are provided on the cleaning pipes.

4. The waste gas treatment device for straw pellet fuel production as described in claim 1, characterized in that, The filter box and the treatment box are equipped with a mixing mechanism for discharging the dust-removed exhaust gas into the treatment box and mixing it with the treatment liquid for a reaction. The mixing mechanism includes: An air pump is fixedly installed on the outer wall of one side of the filter box, and the air inlet of the air pump is connected to the filter box; A connecting pipe is fixedly installed on the processing box, and the connecting pipe is connected to the air outlet of the air pump; The shaft tube is installed inside the treatment box, and the shaft tube and the connecting pipe are rotatably and sealed. Multiple stirring rods for mixing and stirring the waste gas and the treatment liquid are fixedly installed on the shaft tube. A dispersing box is fixedly installed on the shaft tube, the dispersing box is provided with a nozzle, and the dispersing box and the shaft tube are connected; A rotating mechanism mounted on the dispersing box and the processing box for driving the dispersing box and the stirring rod to rotate.

5. The waste gas treatment device for straw pellet fuel production as described in claim 4, characterized in that, The rotating mechanism includes: A second servo motor is fixedly installed at the bottom of the processing box; Rotate the shaft mounted on the processing box. The two ends of the shaft are fixedly connected to the output shaft of the second servo motor and the bottom of the dispensing box, respectively.

6. The waste gas treatment device for straw pellet fuel production as described in claim 1, characterized in that, The treatment tank is equipped with a spraying mechanism for spraying the treatment liquid inside the treatment tank and for re-contacting the exhaust gas. The spraying mechanism includes: A circulation pump is fixedly installed on the outer wall of the treatment tank, and the inlet end of the circulation pump is connected to the treatment tank; A spray pipe is fixedly installed on the inner wall of the top of the treatment tank. The spray pipe is connected to the outlet of the circulating pump, and multiple spray heads are provided on the spray pipe.

7. The waste gas treatment device for straw pellet fuel production as described in claim 1, characterized in that, The treatment box and the activated carbon adsorption box are equipped with a diversion mechanism for diverting the treated waste gas in the treatment box to the activated carbon adsorption box. The diversion mechanism includes: A second fan is installed on one side of the activated carbon adsorption box, and the air inlet of the second fan is connected to the activated carbon adsorption box; An installation pipe is fixedly installed on the outer wall of one side of the treatment box, and the two ends of the installation pipe are respectively connected to the treatment box and the activated carbon adsorption box.

8. The waste gas treatment device for straw pellet fuel production as described in claim 1, characterized in that, The filter box is equipped with an air inlet pipe, which is used to introduce the exhaust gas generated during the production of straw pellet fuel into the filter box.

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