Tail gas treatment device for bag cutting machine

Abstract

The utility model provides a tail gas treatment device for a bag cutting machine, and relates to the technical field of auxiliary equipment of the bag cutting machine. The tail gas treatment device comprises an exhaust pipe and a dust collection fan, a tail gas treatment structure is arranged on the exhaust pipe, and the tail gas treatment structure comprises a coarse filtering structure, a graded filtering structure and a fine filtering structure. The exhaust pipe is provided with a quadruple filtering structure, and gas in the exhaust pipe can be subjected to quadruple purification through the quadruple filtering structure, so that the purification effect of the gas can be enhanced, and meanwhile, each group of filtering structure has pertinence; and the problem that the filter screen is blocked after long-time filtration of a single filter structure is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of auxiliary equipment technology field of bag cutting machine, in particular to a kind of tail gas treatment device for bag cutting machine. BACKGROUND

[0002] Woven bag is a common packaging material, generally with plastic as raw material, after extruding, stretching into flat silk, then after weaving, obtain.In the packaging and transportation process, woven bag is mainly subjected to the gravity of the packaged object and is always in tension, as the weaving adopts longitudinal and transverse interlacing transmission, so that the woven bag has good tensile resistance and puncture resistance, and will not easily break, so it has been widely used.Woven bag hot bag cutting machine in the process of cutting, due to high temperature, a large number of small flying powder will also be a small amount of propylene gasification, if not handled in time, the body, especially the lungs, will cause great harm.

[0003] In the prior art, the patent document with publication number CN208216133U proposes a bag cutting machine tail gas treatment device, including dust collection head and pipe, the dust collection head and the pipe are communicated at one end, the pipe is provided with a first air suction fan away from the dust collection head, the pipe is provided with a dust collection box close to the first air suction fan, the dust collection box and the pipe are fixedly connected through a fixed rod, the dust collection box and the pipe are communicated through a connecting pipe, the pipe is fixedly inserted with a filter screen close to the connecting pipe, the inner bottom of the dust collection box is provided with a dust outlet, the dust outlet is slidably connected with a baffle, the inner wall of the dust collection head is provided with a socket corresponding to the baffle, one end of the baffle penetrates the socket and extends outward, the outer wall of the dust collection box is fixedly connected with a locking block, and a clamping rod is slidably inserted in the locking block.The setting of the dust collection box enables the device to collect solid particles in the tail gas, thereby avoiding dust blockage.

[0004] Although the prior art collects solid particles in the tail gas and avoids blockage, but in actual work process, there is still a problem of poor filtering effect. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies existing in the above problems, the utility model provides a kind of tail gas treatment device for bag cutting machine, it is provided with fourfold filter structure, the gas in exhaust pipe can be fourfold purification by fourfold filter structure, so that the gas can not only strengthen purification effect, but also make each group of filter structure have pertinence, reduce the problem of filter screen blockage after long-time filtering of single filter structure.

[0006] In order to solve the above problems, the utility model provides a tail gas treatment device for bag cutting machine, including exhaust pipe and dust extraction fan, the tail end of exhaust pipe with dust extraction fan intercommunication, be provided with tail gas treatment structure on exhaust pipe, its characterized in be that tail gas treatment structure includes rough filter structure, hierarchical filter structure and fine filter structure, the left end of exhaust pipe is provided with air inlet, air inlet passes through rough filter structure with the left end intercommunication of exhaust pipe, the right end of exhaust pipe is provided with fine filter structure, rough filter structure with fine filter structure between be provided with hierarchical filter structure.

[0007] Preferably, the rough filter structure includes a rough filter cylinder, the left end of the rough filter cylinder is in communication with the air inlet, the right end of the rough filter cylinder is provided with a rough filter sieve plate, and the right end of the rough filter cylinder is in communication with the exhaust pipe through the rough filter sieve plate.

[0008] Preferably, the hierarchical filter structure includes a first filter structure and a second filter structure arranged side by side, the right end of the first filter structure is in communication with the left end of the second filter structure.

[0009] Preferably, the first filter structure includes a first filter cylinder, a first dust collecting hopper and a first filter screen, the left end of the first filter cylinder is in communication with the exhaust pipe, the first dust collecting hopper is arranged at the bottom end of the first filter cylinder, the right end of the first filter cylinder is provided with the first filter screen, and the right end of the first filter cylinder is in communication with the exhaust pipe through the first filter screen.

[0010] Preferably, the second filter structure includes a second filter cylinder, a second dust collecting hopper and a second filter screen, the left end of the second filter cylinder is in communication with the exhaust pipe, the second dust collecting hopper is arranged at the bottom end of the second filter cylinder, the right end of the second filter cylinder is provided with the second filter screen, and the right end of the second filter cylinder is in communication with the exhaust pipe through the second filter screen.

[0011] Preferably, the fine filter structure includes a fine filter cylinder, the lower end of the fine filter cylinder is provided with a material collecting box, and the bottom end of the material collecting box is provided with a discharge port, the upper end of the fine filter cylinder is provided with a purification box, and the top end of the purification box is provided with an air outlet.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] 1、The fourfold filter structure is arranged in the utility model, the gas in the exhaust pipe can be purified four times through the fourfold filter structure, so that the gas can not only enhance the purification effect, but also make each group of filter structures have pertinence, and the problem of filter screen blockage after long-time filtration of single filter structure is reduced.

[0014] 2, The utility model discloses a dust collecting and filtering combined mode, can guarantee the long -time work of filter screen, and simultaneously, adopt detachable structure, make filter screen can replace when filtering effect is not good, thereby guarantee the purification effect of filter structure to the maximum. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the embodiment structure schematic diagram of the utility model. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the utility model is further detailed below with the drawings and examples, but the example is not as the limitation of the utility model.

[0017] As Figure 1 The embodiment of the utility model discloses exhaust pipe 1 and dust extraction fan 2, and the tail end of exhaust pipe 1 is communicated with dust extraction fan 2, and exhaust pipe 1 is provided with tail gas treatment structure.

[0018] In the embodiment, the tail gas treatment structure includes coarse filter structure, grading filter structure and fine filter structure, the left end of exhaust pipe 1 is provided with air inlet 3, air inlet 3 is communicated with the left end of exhaust pipe 1 through coarse filter structure, the right end of exhaust pipe 1 is provided with fine filter structure, and grading filter structure is arranged between coarse filter structure and fine filter structure.

[0019] In the embodiment, the coarse filter structure includes coarse filter cylinder 4, the left end of coarse filter cylinder 4 is communicated with air inlet 3, the right end of coarse filter cylinder 4 is provided with coarse filter sieve plate 5, and the right end of coarse filter cylinder 4 is communicated with exhaust pipe 1 through coarse filter sieve plate 5, and the front end of coarse filter cylinder 4 is provided with coarse discharge port 6.

[0020] In the embodiment, the grading filter structure includes first filter structure and second filter structure arranged side by side, and the right end of first filter structure is communicated with the left end of second filter structure.

[0021] In the embodiment, the first filter structure comprises a first filter cylinder 7, a first dust collecting hopper 8 and a first filter screen 9. The left end of the first filter cylinder 7 is communicated with the exhaust pipe 1. The first dust collecting hopper 8 is arranged at the bottom end of the first filter cylinder 7. The right end of the first filter cylinder 7 is provided with the first filter screen 9, and the right end of the first filter cylinder 7 is communicated with the exhaust pipe 1 through the first filter screen 9. The top end of the first filter cylinder 7 is provided with a first exhaust port 10, and the lower side of the first exhaust port 10 is provided with a first exhaust filter screen 11. The bottom end of the first dust collecting hopper 8 is provided with a first discharge port 12. The first discharge port 12 is provided with a first valve. Meanwhile, the first filter cylinder 7 is provided with a first reinforcing rib 13. The first reinforcing rib 13 comprises a first upper reinforcing rib, a first middle reinforcing rib and a first lower reinforcing rib. The first upper reinforcing rib, the first middle reinforcing rib and the first lower reinforcing rib are sequentially arranged on the first filter cylinder 7 from top to bottom.

[0022] In the embodiment, the second filter structure comprises a second filter cylinder 14, a second dust collecting hopper 15 and a second filter screen 16. The left end of the second filter cylinder 14 is communicated with the exhaust pipe 1. The second dust collecting hopper 15 is arranged at the bottom end of the second filter cylinder 14. The right end of the second filter cylinder 14 is provided with the second filter screen 16, and the right end of the second filter cylinder 14 is communicated with the exhaust pipe 1 through the second filter screen 16. The top end of the second filter cylinder 14 is provided with a second exhaust port 17, and the lower side of the first exhaust port 17 is provided with a second exhaust filter screen 18. The bottom end of the second dust collecting hopper 15 is provided with a second discharge port 19. The second discharge port 19 is provided with a second valve. Meanwhile, the second filter cylinder 14 is provided with a second reinforcing rib 20. The second reinforcing rib 20 comprises a second upper reinforcing rib, a second middle reinforcing rib and a second lower reinforcing rib. The second upper reinforcing rib, the second middle reinforcing rib and the second lower reinforcing rib are sequentially arranged on the second filter cylinder 14 from top to bottom.

[0023] In the embodiment, the fine filter structure comprises a fine filter cylinder 21. The lower end of the fine filter cylinder 21 is provided with a collecting tank 22. The collecting tank 22 is provided with a stirring structure. The stirring structure comprises a stirring motor 23, a rotating shaft and stirring rods 24. The stirring rods 24 comprise first stirring rods, second stirring rods and third stirring rods. The stirring motor 23 is arranged at the bottom end of the collecting tank 22. The output end of the stirring motor 23 is connected with the first rotating shaft. The first rotating shaft is provided with the first stirring rods, the second stirring rods and the third stirring rods. The bottom end of the collecting tank 22 is provided with a discharge port 25. The discharge port 25 comprises a fine material left discharge port and a fine material right discharge port. The upper end of the fine filter cylinder 21 is provided with a purification tank 26. The upper end of the purification tank 26 is provided with an exhaust filter screen 27. The exhaust filter screen 27 comprises first exhaust filter screens and second exhaust filter screens arranged in parallel. The top end of the purification tank 26 is provided with an exhaust port 28. The exhaust port 28 comprises a left exhaust port and a right exhaust port. The left exhaust port and the right exhaust port are both located above the exhaust filter screen 27.

[0024] The right end of the fine filter cartridge is provided with a dust suction fan, and a dust suction filter screen is arranged at the communication position between the left end suction port of the dust suction fan and the right end of the fine filter cartridge.

[0025] By the person skilled in the art, all electrical components in the case are connected to the power supply through wires, and appropriate controllers should be selected according to the actual situation to meet the control requirements.

[0026] Although the embodiments of the utility model have been shown and described above, it should be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the person skilled in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the utility model.

[0027] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the technical scheme of the patent and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as limiting the patent application.

[0028] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the patent application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0029] In this specification, unless otherwise expressly specified and limited, the terms "mounting", "connection", "connecting", "fixed", and the like should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection; can be direct connection, can also be indirect connection through an intermediate medium, can be internal communication of two elements or interaction relationship between two elements, unless otherwise expressly limited. For those skilled in the art, the specific meaning of the above terms in this specification can be understood according to the specific circumstances.

[0030] In this specification, unless otherwise expressly specified and limited, the first feature is "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0031] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0032] Although the embodiments of the utility model have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the utility model. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the utility model.

Claims

1. A tail gas treatment device for a bag cutting machine, comprising an exhaust pipe and a dust suction fan, the end of the exhaust pipe being in communication with the dust suction fan, a tail gas treatment structure being provided on the exhaust pipe, characterized in that, The tail gas treatment structure comprises a coarse filtering structure, a grading filtering structure and a fine filtering structure, a gas inlet is arranged at the left end of the exhaust pipe, the gas inlet is communicated with the left end of the exhaust pipe through the coarse filtering structure, the fine filtering structure is arranged at the right end of the exhaust pipe, and the grading filtering structure is arranged between the coarse filtering structure and the fine filtering structure.

2. A tail gas treatment device for a bag cutting machine as claimed in claim 1, characterized in that The coarse filtering structure comprises a coarse filtering cylinder, the left end of the coarse filtering cylinder is communicated with the gas inlet, the right end of the coarse filtering cylinder is provided with a coarse filtering sieve plate, and the right end of the coarse filtering cylinder is communicated with the exhaust pipe through the coarse filtering sieve plate.

3. An exhaust treatment device for a bag cutting machine as claimed in claim 2, wherein, The grading filtering structure comprises a first filtering structure and a second filtering structure arranged side by side, and the right end of the first filtering structure is communicated with the left end of the second filtering structure.

4. A tail gas treatment apparatus for a bag cutting machine as claimed in claim 3, wherein, The first filtering structure comprises a first filtering cylinder, a first dust collecting hopper and a first filtering screen, the left end of the first filtering cylinder is communicated with the exhaust pipe, the first dust collecting hopper is arranged at the bottom end of the first filtering cylinder, the right end of the first filtering cylinder is provided with the first filtering screen, and the right end of the first filtering cylinder is communicated with the exhaust pipe through the first filtering screen.

5. An exhaust treatment device for a bag cutting machine as claimed in claim 4, wherein, The second filtering structure comprises a second filtering cylinder, a second dust collecting hopper and a second filtering screen, the left end of the second filtering cylinder is communicated with the exhaust pipe, the second dust collecting hopper is arranged at the bottom end of the second filtering cylinder, the right end of the second filtering cylinder is provided with the second filtering screen, and the right end of the second filtering cylinder is communicated with the exhaust pipe through the second filtering screen.

6. An exhaust treatment device for a bag cutting machine as claimed in claim 5, wherein, The fine filtering structure comprises a fine filtering cylinder, a collecting box is arranged at the lower end of the fine filtering cylinder, and the bottom end of the collecting box is provided with a discharge port, a purification box is arranged at the upper end of the fine filtering cylinder, and the top end of the purification box is provided with a gas outlet.

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