Waste gas pretreatment device

Abstract

The utility model belongs to the technical field of waste gas treatment, and discloses a waste gas pretreatment device which comprises a bottom frame, a lower shell is fixedly arranged on the upper surface of the bottom frame, a rotating mechanism is arranged in the lower shell, an upper shell is fixedly arranged on the upper surface of the lower shell, and a cooling box is fixedly arranged on the upper surface of the upper shell. A waste gas exhaust pipe is fixedly arranged on the upper surface of the cooling box, a filtering mechanism is arranged in the upper shell, the lower surface of the filtering mechanism is fixedly connected with a rotating mechanism, the filtering mechanism comprises a filtering frame, the outer side of the filtering frame is fixedly connected with the lower shell, and an equal division frame is rotationally arranged on the inner side of the filtering frame; according to the waste gas pretreatment device disclosed by the utility model, the filtering effect and the airflow stability are ensured through the filtering mechanism, and the high efficiency and the reliability of waste gas pretreatment are realized through the rotating mechanism.

Description

TECHNICAL FIELD

[0001] The utility model belongs to waste gas treatment technical field, specifically a kind of waste gas pretreatment device. BACKGROUND

[0002] Waste gas pretreatment device is applicable to a variety of industrial production scenes, especially applicable to the places of a large number of harmful waste gas generated in chemical industry, pharmacy, coating, printing and other industries, these industries release waste gas containing particulate matter, organic solvent, acidic gas and other pollutants in production process.

[0003] However, in the implementation of the related technology, the above problems are found:

[0004] In the existing waste gas pretreatment technology, there is generally the problems of low waste gas filtration efficiency and poor airflow stability, which often leads to that harmful substances in waste gas cannot be fully filtered, and then affects the effect of subsequent treatment process, and even may cause secondary pollution to the environment. Most of the filter devices often adopt single filter structure, it is difficult to realize uniform distribution and efficient filtration of waste gas, so that part of waste gas is directly discharged without being fully treated. At the same time, there is lack of effective airflow guiding mechanism, which leads to that waste gas flows not smoothly in the filtration process, increases airflow resistance and reduces filtration efficiency. UTILITARY MODEL

[0005] To solve the problems proposed in the above background art, the utility model provides a kind of waste gas pretreatment device, with the advantages of uniform distribution and efficient filtration. The utility model ensures filtration effect and airflow stability by filter mechanism, and realizes efficiency and reliability of waste gas pretreatment by rotating mechanism.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a kind of waste gas pretreatment device, including chassis, the upper surface of the chassis is fixed with lower shell, the inside of the lower shell is equipped with rotating mechanism, the upper surface of the lower shell is fixed with upper shell, the upper surface of the upper shell is fixed with cooling box, the upper surface of the cooling box is fixed with waste gas exhaust pipe, the inside of the upper shell is equipped with filter mechanism, the lower surface of filter mechanism is fixedly connected with rotating mechanism, the filter mechanism includes filter frame, the outside of filter frame is fixedly connected with lower shell, the inside of filter frame is rotatably equipped with aliquot frame, the lower surface of aliquot frame is fixedly connected with rotating mechanism, the inner wall of the upper shell is fixed with guide plate, the inside of guide plate is equipped with guide cavity, the inside of guide cavity is fixed with guide pipe, one end of guide pipe is fixedly connected with cooling box, the outside of the upper shell is fixed with waste gas exhaust port.

[0007] Preferably, the rotating mechanism comprises a motor, the upper end of the motor is fixedly matched with the lower surface of the lower shell, the output end of the motor is fixedly provided with a rotating rod, the upper end of the rotating rod is fixedly connected with the lower surface of the equal division frame, and the outer side of the lower shell is fixedly provided with a waste gas suction pipe.

[0008] Preferably, operation windows are formed in the outer sides of the lower shell and the upper shell.

[0009] Preferably, a plurality of filter holes are formed in the lower surface of the filter frame.

[0010] Preferably, a rotating opening is formed in the lower inner wall of the lower shell, and the inner side of the rotating opening is rotationally matched with the rotating rod.

[0011] Preferably, the upper end of the rotating rod penetrates through the upper surface of the filter frame.

[0012] Preferably, a waste gas inlet is fixedly arranged on the outer surface of the lower shell.

[0013] Preferably, a mounting frame is fixedly arranged on the lower surface of the lower shell, and the upper end of the motor is fixedly matched with the lower surface of the mounting frame.

[0014] Compared with the prior art, the utility model has the advantages of the following:

[0015] 1. The filter mechanism, the filter frame and the equal division frame cooperate to realize secondary efficient filtration of waste gas, the guide cavity in the guide plate guides the waste gas to be smoothly filtered through the guide pipe, and the filtration effect and airflow stability are ensured.

[0016] 2. The rotating mechanism, the motor drives the rotating rod to drive the equal division frame to rotate, so that the activated carbon in the filter frame can be uniformly distributed and filtered, the rotating opening and the mounting frame ensure the rotation stability, and the efficiency and reliability of waste gas pretreatment are realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is a back structure schematic view of the utility model;

[0019] Figure 3 It is a filter mechanism structure section schematic view of the utility model;

[0020] Figure 4 It is a rotating mechanism structure section schematic view of the utility model;

[0021] In the diagram: 1. Base frame; 2. Filtering mechanism; 3. Rotating mechanism; 4. Lower outer shell; 5. Upper outer shell; 6. Operating window; 7. Cooling box; 8. Exhaust pipe; 20. Filter frame; 21. Dividing frame; 22. Guide plate; 23. Guide cavity; 24. Guide tube; 25. Exhaust port; 30. Motor; 31. Mounting frame; 32. Rotating port; 33. Exhaust inlet; 34. Rotating rod; 35. Filter hole; 36. Exhaust extraction pipe. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] like Figures 1 to 4 As shown, this utility model provides a waste gas pretreatment device, including a base frame 1, a lower outer shell 4 fixedly mounted on the upper surface of the base frame 1, a rotating mechanism 3 inside the lower outer shell 4, an upper outer shell 5 fixedly mounted on the upper surface of the lower outer shell 4, a cooling box 7 fixedly mounted on the upper surface of the upper outer shell 5, a waste gas exhaust pipe 8 fixedly mounted on the upper surface of the cooling box 7, a filter mechanism 2 inside the upper outer shell 5, the lower surface of the filter mechanism 2 fixedly connected to the rotating mechanism 3, the filter mechanism 2 including a filter frame 20, the outer side of the filter frame 20 fixedly connected to the lower outer shell 4, a dividing frame 21 rotatably mounted on the inner side of the filter frame 20, the lower surface of the dividing frame 21 fixedly connected to the rotating mechanism 3, a guide plate 22 fixedly mounted on the inner wall of the upper outer shell 5, a guide cavity 23 opened on the inner side of the guide plate 22, and a guide pipe 24 fixedly mounted on the inner side of the guide cavity 23. One end of the pipe 24 is fixedly connected to the cooling box 7. The outer side of the upper shell 5 is fixedly provided with an exhaust port 25. Through the filter mechanism 2, activated carbon is placed into the equal-dividing rack 21 of the filter frame 20 through the operation window 6. Then, the exhaust gas extraction pipe 36 and the exhaust gas exhaust pipe 8 are respectively connected to the input and output ends of the exhaust fan, so that the exhaust gas extraction pipe 36 can send the exhaust gas entering from the exhaust gas inlet 33 into the cooling box 7 through the exhaust gas exhaust pipe 8 for cooling. Then, it enters the guide cavity 23 on the guide plate 22 through the guide pipe 24 on one side of the cooling box 7, and passes through the activated carbon in the equal-dividing rack 21 for filtration under the guidance. Then, it passes through the filter hole 35 and re-enters the lower shell 4, and again enters the upper shell 5 through the filter hole 35 in conjunction with the filter frame 20. Finally, it is discharged through the exhaust port 25 to achieve the secondary filtration requirement.

[0024] Specifically, the rotating mechanism 3 includes a motor 30, the upper end of the motor 30 is fixedly matched with the lower surface of the lower shell 4, the output end of the motor 30 is fixedly provided with a rotating rod 34, the upper end of the rotating rod 34 is fixedly connected with the lower surface of the equal division frame 21, the outer side of the lower shell 4 is fixedly provided with a waste gas suction pipe 36, through the rotating mechanism 3, when the motor 30 is started, the output end drives the rotating rod 34 to rotate. The rotating rod 34 penetrates through the rotating port 32 of the lower inner wall of the lower shell 4, and penetrates through the upper surface of the filter frame 20, and is finally fixedly connected with the lower surface of the equal division frame 21. With the rotation of the rotating rod 34, the equal division frame 21 also rotates synchronously on the inner side of the filter frame 20. This rotation makes the activated carbon in the equal division frame 21 can be used uniformly, improves the filtering efficiency, and prolongs the service life of the filtering material.

[0025] Further, the outer sides of the lower shell 4 and the upper shell 5 are both provided with an operation window 6, the operation window 6 is arranged to enable the operator to conveniently check, maintain and replace the filtering material in the device, and the like, thereby improving the maintainability and service life of the device.

[0026] Still further, the lower surface of the filter frame 20 is provided with a plurality of filter holes 35, the plurality of filter holes 35 increases the contact area of the waste gas and the filtering material, thereby improving the filtering efficiency. At the same time, the uniform distribution of the filter holes 35 also ensures the uniform flow of the waste gas in the filter frame 20, thereby further improving the filtering effect.

[0027] It is worth noting that the lower inner wall of the lower shell 4 is provided with a rotating port 32, the inner side of the rotating port 32 is rotatably matched with the rotating rod 34, the close cooperation between the rotating port 32 and the rotating rod 34 ensures the stable operation of the rotating mechanism 3, reduces the friction and wear during rotation, and improves the reliability and service life of the device.

[0028] It is worth noting that the upper end of the rotating rod 34 penetrates through the upper surface of the filter frame 20, so that the rotating rod 34 can more directly drive the equal division frame 21 to rotate, thereby improving the transmission efficiency. At the same time, the design of penetrating through the upper surface of the filter frame 20 also makes the connection between the rotating mechanism 3 and the filtering mechanism 2 more stable and reliable.

[0029] It is worth introducing that the outer surface of the lower shell 4 is fixedly provided with a waste gas inlet 33, the arrangement of the waste gas inlet 33 enables the waste gas to conveniently enter the device for treatment. Simplifies the introduction process of the waste gas, improves the ease of use and processing efficiency of the device.

[0030] It is worth emphasizing that the lower surface of the lower shell 4 is fixedly provided with a mounting frame 31, the lower surface of the mounting frame 31 is fixedly matched with the upper end of the motor 30, the mounting frame 31 is arranged so that the motor 30 can be stably mounted on the lower surface of the lower shell 4, and the stable operation of the rotating mechanism 3 is ensured. At the same time, this design also facilitates the installation and disassembly of the motor 30, and improves the maintainability of the device.

[0031] Among them, the motor 30 and the cooling box 7 are prior art and will not be described again; at the same time, the utility model also includes a power supply, a controller and a switch, which are not the main technical points of the patent and will not be described again; the "front, rear, left and right" perspective of the device is taken as the reference direction of the drawing. Figure 1

[0032] Working principle: through the filtering mechanism 2, the activated carbon is put into the aliquot frame 21 of the filtering frame 20 through the operation window 6, then the waste gas suction pipe 36 and the waste gas exhaust pipe 8 are connected to the input end and the output end of the exhaust fan respectively, so that the waste gas suction pipe 36 can send the waste gas entering from the waste gas inlet 33 into the cooling box 7 through the waste gas exhaust pipe 8 for cooling, then through the guide pipe 24 on one side of the cooling box 7 into the guide cavity 23 on the guide plate 22, and then through the activated carbon in the aliquot frame 21 for filtering, and then re-enter the lower shell 4 through the filter hole 35, and then enter the upper shell 5 through the filter hole 35 in cooperation with the filtering frame 20, and finally discharged through the waste gas exhaust port 25, so as to realize the secondary filtering requirement.

[0033] Through the rotating mechanism 3, when the motor 30 is started, the output end drives the rotating rod 34 to rotate. The rotating rod 34 penetrates the rotating port 32 of the lower inner wall of the lower shell 4 and penetrates the upper surface of the filtering frame 20, and finally is fixedly connected with the lower surface of the aliquot frame 21. With the rotation of the rotating rod 34, the aliquot frame 21 also rotates synchronously on the inner side of the filtering frame 20. This rotation makes the activated carbon in the aliquot frame 21 can be used evenly, improves the filtering efficiency, and prolongs the service life of the filtering material.

[0034] It should be noted that in this text, relational terms such as first and second are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0035] ​Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An exhaust gas pre-treatment device comprising a chassis (1), characterised in that: The upper surface of the chassis (1) is fixedly provided with a lower shell (4), the inside of the lower shell (4) is provided with a rotating mechanism (3), the upper surface of the lower shell (4) is fixedly provided with an upper shell (5), the upper surface of the upper shell (5) is fixedly provided with a cooling box (7), the upper surface of the cooling box (7) is fixedly provided with a waste gas exhaust pipe (8), the inside of the upper shell (5) is provided with a filtering mechanism (2), and the lower surface of the filtering mechanism (2) is fixedly connected with the rotating mechanism (3). The filtering mechanism (2) comprises a filter frame (20), the outer side of the filter frame (20) is fixedly connected with the lower shell (4), the inner side of the filter frame (20) is rotatably provided with an aliquot frame (21), the lower surface of the aliquot frame (21) is fixedly connected with the rotating mechanism (3), the inner wall of the upper shell (5) is fixedly provided with a guide plate (22), the inner side of the guide plate (22) is provided with a guide cavity (23), the inner side of the guide cavity (23) is fixedly provided with a guide pipe (24), one end of the guide pipe (24) is fixedly connected with the cooling box (7), and the outer side of the upper shell (5) is fixedly provided with a waste gas exhaust port (25).

2. A device for pre-treating exhaust gases according to claim 1, characterized in that: The rotating mechanism (3) comprises a motor (30), the upper end of the motor (30) is fixedly connected with the lower surface of the lower shell (4), the output end of the motor (30) is fixedly provided with a rotating rod (34), the upper end of the rotating rod (34) is fixedly connected with the lower surface of the aliquot frame (21), and the outer side of the lower shell (4) is fixedly provided with a waste gas exhaust pipe (36).

3. A pre-treatment device for exhaust gases according to claim 1, characterized in that: The outer sides of the lower shell (4) and the upper shell (5) are provided with operation windows (6).

4. A pre-treatment device for exhaust gases according to claim 1, characterized in that: The lower surface of the filter frame (20) is provided with a plurality of filter holes (35).

5. A pre-treatment device for exhaust gases according to claim 1, characterized in that: The lower inner wall of the lower shell (4) is provided with a rotating port (32), and the inner side of the rotating port (32) is rotatably matched with the rotating rod (34).

6. A pre-treatment device for exhaust gases according to claim 2, characterized in that: The upper end of the rotating rod (34) penetrates through the upper surface of the filter frame (20).

7. A pre-treatment device for exhaust gases according to claim 1, characterized in that: The outer surface of the lower shell (4) is fixedly provided with a waste gas inlet port (33).

8. A pre-treatment device for exhaust gases according to claim 1, characterized in that: The lower surface of the lower shell (4) is fixedly provided with a mounting frame (31), and the lower surface of the mounting frame (31) is fixedly connected with the upper end of the motor (30).

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