Waste gas utilization device of paper dryer

Abstract

The utility model discloses a waste gas utilization device of a paper dryer, and relates to the technical field of dryers. According to the technical scheme, an air inlet pipe and an air outlet pipe are communicated, a purification pipe is arranged at the communication position, a first rotating frame and a second rotating frame are rotationally connected to the middle of the purification pipe, the first rotating frame and the second rotating frame are in matched semicircle shapes, the section of the spliced first rotating frame and the section of the spliced second rotating frame are round, and the purification pipe is divided into two parts after the first rotating frame and the second rotating frame are spliced; cleaning pieces are detachably connected into frame bodies of the first rotating frame and the second rotating frame, a handle is rotationally connected to the peripheral wall of the bottom of a round frame formed after the first rotating frame and the second rotating frame are spliced through a rotating shaft, and the section of a part formed by the handle, the first rotating frame and the second rotating frame is in a scissor shape. According to the waste utilization device of the paper dryer, the recycled waste gas is cleaned, the cleaned waste gas is used for drying paper, and recycling of the waste gas is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper drying machine technical field, more specifically, it relates to paper drying machine's waste gas utilization device. BACKGROUND

[0002] In recent years, the requirement of environmental protection in our country is increasing, and industrial waste gas needs to reach the national standard before being discharged, paper drying machine produces a large amount of waste gas in the operation process, if it is directly discharged without treatment, it will pollute the environment.

[0003] At present, the Chinese utility model patent with the publication number CN212806032U discloses an air purifier device, which belongs to the field of air purification, and the prior art similar to the above air purification device has the effects of improving the purification device action time, reducing the downtime waiting time, and preventing static electricity through the graphene plating layer.

[0004] However, the above-mentioned air purification device has the following defects: the purification effect of the purification device will decrease after being used for a period of time, resulting in that the air treated by the purification device cannot meet the purification requirements, and thus it is necessary to set a structure to solve the problem that the purification device is difficult to maintain the purification effect for a long time.

[0005] Therefore, a new scheme needs to be proposed to solve this problem. CONTENT OF THE UTILITY MODEL

[0006] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a waste gas utilization device for paper drying machine.

[0007] The above technical purpose of the utility model is realized through the following technical scheme: the waste gas utilization device for paper drying machine comprises a drying machine, an air inlet pipe and an air outlet pipe, the air inlet pipe and the air outlet pipe are communicated, a purification pipe is arranged at the communication position, a rotating frame one and a rotating frame two are rotatably connected to the middle part of the purification pipe, the rotating frame one and the rotating frame two are in the form of matched semicircles and the cross section after splicing is circular, the purification pipe is divided into two parts after the splicing of the rotating frame one and the rotating frame two, cleaning pieces are detachably connected to the frame bodies of the rotating frame one and the rotating frame two, a rotating shaft is rotatably connected to the outer peripheral wall of the bottom of the circular frame formed after the splicing of the rotating frame one and the rotating frame two, a handle is rotatably connected to the end face of the rotating shaft away from the rotating frame one and the rotating frame two, and the part cross section composed of the handle and the rotating frame one and the rotating frame two is in the form of scissors.

[0008] The utility model is further provided as follows: when the rotating frame one and the rotating frame two rotate, the outer peripheral wall thereof approaches the handle, and the rotating frame one and the rotating frame two are both arranged outside the purification pipe.

[0009] The utility model further sets up: the connecting place of rotating frame one, rotating frame two and handle is provided with rotating block, rotating hole is seted up on the rotating block, the outer peripheral wall of the purification pipe is provided with fixed block on the position of the two end faces of rotating block, the fixed block is seted up with the rotating recess of same cross section area with rotating hole, the rotating shaft passes through rotating hole and is with the rotating recess of two fixed blocks in.

[0010] The utility model further sets up: the outer peripheral wall of rotating frame one, rotating frame two is seted up with through groove, the frame body inner wall of rotating frame one, rotating frame two is seted up with clamping groove on the mutual sticking, the confluence of clamping groove and through groove is connected, the cleaning piece is with through groove, clamping groove detachable connection.

[0011] The utility model further sets up: the weight of handle is greater than the weight of rotating frame one, rotating frame two and cleaning piece, the handle is divided into two parts, the side wall of handle is fixedly connected with the magnet of mutual attraction.

[0012] The utility model further sets up: the material quality of cleaning piece sets up stainless steel.

[0013] Summarized above, the utility model has following beneficial effect: rotating frame one, rotating frame two are connected on the pipe mouth, and the inside can all detachable connection has cleaning piece, the cross section of the round thing that rotating frame one, rotating frame two are combined with handle is scissors shape convenient to open and close, can realize after rotating and directly clean or replace cleaning piece of separating pipe mouth, improve the convenience of replacement or cleaning, the purification device after cleaning can guarantee essence effect, guarantee the stable use of purification device. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is structure schematic view of the utility model;

[0015] Fig. 2 It is the enlarged view of A part;

[0016] Fig. 3 It is structure schematic view of handle, rotating frame one, rotating frame two and cleaning piece.

[0017] In the drawing: 1, dryer;2, inlet pipe;3, outlet pipe;4, rotating frame one;5, rotating frame two;6, cleaning piece;7, handle;8, rotating block;9, fixed block;10, through groove;11, clamping groove. DETAILED DESCRIPTION

[0018] The utility model is described in detail below in connection with the drawings and examples.

[0019] The waste gas utilization device of paper dryer, such as Figs. 1-3As shown, including dryer 1, air inlet pipe 2 and air outlet pipe 3, air inlet pipe 2 and air outlet pipe 3 are communicated and the communication is provided with a purification pipe, the middle part of the purification pipe is rotatably connected with rotating frame one 4 and rotating frame two 5, rotating frame one 4 and rotating frame two 5 are matched half circle shape and the cross section after splicing is circular, rotating frame one 4 and rotating frame two 5 are spliced to divide the purification pipe into two parts, the frame body of rotating frame one 4 and rotating frame two 5 is detachably connected with cleaning sheet 6, the outer peripheral wall of the bottom of the circle frame formed after rotating frame one 4 and rotating frame two 5 are spliced is rotatably connected with rotating shaft, the end face of the rotating shaft away from rotating frame one 4 and rotating frame two 5 is rotatably connected with handle 7, the part cross section composed of handle 7 and rotating frame one 4 and rotating frame two 5 is scissors shape, rotating frame one 4 and rotating frame two 5 are rotatably connected on the pipe opening, the inside is detachably connected with cleaning sheet 6, the cross section composed of the circle shape of rotating frame one 4 and rotating frame two 5 and handle 7 is scissors shape for convenient opening and closing, which can realize rotating and directly cleaning or replacing cleaning sheet 6 after separating from the pipe opening, improve the convenience of replacement or cleaning, and the area of the cleaning sheet 6 divided into two parts is smaller, which has lower cost than the whole replacement when frequently replacing.

[0020] As shown, Fig. 3 When rotating frame one 4 and rotating frame two 5 rotate, the outer peripheral wall of rotating frame one 4 and rotating frame two 5 is close to the peripheral wall of handle 7, handle 7 is divided into two parts, from the cross section, the edge of rotating frame one 4 and rotating frame two 5 close to each other respectively extends out through the rotating shaft as the intersection point, the extended edge respectively forms the cross section of handle 7 as arc shape outward, so the part of handle 7 formed by the extension line of the edge of rotating frame one 4 and rotating frame two 5 respectively is close to the other, when close, rotating frame one 4 and rotating frame two 5 are all placed outside the purification pipe, which can make the replacement and removal of cleaning sheet 6 more convenient, and at this time, the purification pipe divided into two parts is also in the unsealed state, which can remove the impurities on the inner wall through the two parts of the purification pipe, so as to keep the environment in the pipe clean to improve the gas cleanliness in the drying device, the connection part of rotating frame one 4 and rotating frame two 5 and handle 7 is fixedly connected with rotating block 8, handle 7 realizes the fixed connection with rotating frame one 4 and rotating frame two 5, rotating hole is opened on rotating block 8, fixed block 9 is arranged on the outer peripheral wall of the purification pipe at the position of rotating block 8, rotating groove matched with the rotating hole is opened on fixed block 9, rotating shaft enters into rotating groove through rotating hole to realize the rotation of rotating frame one 4, rotating frame two 5 and handle 7 on the purification pipe.

[0021] As shown, Figs. 1-3As shown, the outer peripheral wall of the rotating frame one 4 and the rotating frame two 5 is provided with a through slot 10, the rotating frame one 4 and the rotating frame two 5 are provided with a clamping groove 11 on the inner wall of the frame body, the intersection of the clamping groove 11 and the through slot 10 is communicated, the shape and size of the cleaning piece 6 match the cross-sectional shape of the rotating frame one 4 and the rotating frame two 5, the cleaning piece 6 can enter the inside of the rotating frame one 4 and the rotating frame two 5 through the through slot 10 on the outer peripheral wall and extend into the clamping groove 11, finally the side wall of the cleaning piece 6 abuts against the inner surface of the clamping groove 11, realizing the detachable connection of the cleaning piece 6 and the rotating frame one 4 and the rotating frame two 5, and realizing the replacement of part of the cleaning piece 6 and the removal of sundries, in addition to improving the convenience of operation, when the paper scraps block part of the cleaning piece 6, targeted removal or replacement is carried out, which helps to improve the efficiency of removing impurities or replacement, to ensure the efficiency of waste gas utilization, and the replacement cost is lower, and the weight of the handle 7 is set to be greater than the sum of the weights of the rotating frame one 4, the rotating frame two 5 and the cleaning piece 6, when the operation is completed, the handle 7 naturally approaches and abuts due to gravity, realizing the function of automatic reset, further improving the convenience, and the two parts of the handle 7 are provided with magnets at the abutting position, the magnets are attracted to realize the abutting function, at the same time, the abutting of the rotating frame one 4 and the rotating frame two 5 is more closely, reducing the possibility of impurities passing through the abutting gap, further ensuring the filtering quality, the material of the cleaning piece 6 is stainless steel, although the cost of stainless steel is higher than that of some plastic materials, but in the case of long-term use in the dryer 1 and high requirements for corrosion resistance and high temperature resistance, the comprehensive cost may be lower.

[0022] Working principle: an air pump is connected to the air outlet pipe 3 of the dryer 1, paper enters from the opening on one side of the dryer 1, the air pump is opened, the waste gas generated by the air inlet pipe 2 of the dryer 1 is recycled, cleaned through the purification pipe, and then enters the dryer 1 through the air outlet pipe 3 to blow and dehumidify the paper, then the air pump is closed, the handle 7 is rotated to make the rotating frame one 4 and the rotating frame two 5 in an open and closed state, for a small amount of paper scraps, only the cleaning piece 6 needs to be wiped and cleaned, and the inner wall of the purification pipe is cleaned, for a large amount of paper scraps which are difficult to clean, the cleaning piece 6 can be disassembled and replaced, the cleaning piece 6 located in the rotating frame one 4 or the rotating frame two 5 is removed from the clamping groove 11, then it is removed from the rotating frame one 4 and the rotating frame two 5 through the through slot 10, and then a new cleaning piece 6 is installed, since the rotating shaft is connected to the fixed block 9 through the rotating block 8, the rotating frame one 4, the rotating frame two 5 and the handle 7 will not be separated from the purification pipe, after installation, since the weight of the handle 7 and the magnetic attraction of the abutting outer wall, the rotating frame one 4 and the rotating frame two 5 are automatically reset, while the two parts of the handle 7 are abutted, the outer wall of the rotating frame one 4 and the rotating frame two 5 is also abutted and forms a circle, the operation is completed.

[0023] The above merely is preferred implementation manner of the present application, the protection scope of the present application is not only limited to the above examples, and belongs to the technical scheme under the idea of the present application all belongs to the protection scope of the present application. It should be pointed out that, for ordinary skilled person in the art, under the premise of not departing from the principle of the present application, some improvements and decorations, these improvements and decorations should also be considered as the protection scope of the present application.

Claims

1. A waste gas utilization device for a paper dryer, comprising a dryer (1), an inlet pipe (2), and an outlet pipe (3), characterized in that: The air inlet pipe (2) and the air outlet pipe (3) are connected and a purification pipe is provided at the connection point. The middle part of the purification pipe is rotatably connected to a rotating frame one (4) and a rotating frame two (5). The rotating frame one (4) and the rotating frame two (5) are matched semicircles and the cross section after splicing is circular. After the rotating frame one (4) and the rotating frame two (5) are spliced, the purification pipe is divided into two parts. A cleaning plate (6) can be detachably connected inside the frame of the rotating frame one (4) and the rotating frame two (5). A rotating shaft is rotatably connected to the outer peripheral wall of the bottom of the circular frame formed after the rotating frame one (4) and the rotating frame two (5) are spliced. A handle (7) is rotatably connected to the end face of the rotating shaft away from the rotating frame one (4) and the rotating frame two (5). The cross section of the part formed by the handle (7) and the rotating frame one (4) and the rotating frame two (5) is scissor-shaped.

2. The waste gas utilization device for the paper dryer according to claim 1, characterized in that: When the rotating frame one (4) and rotating frame two (5) rotate, their outer peripheral walls move closer to the handle (7). Both rotating frame one (4) and rotating frame two (5) are placed outside the purification tube.

3. The waste gas utilization device for the paper dryer according to claim 2, characterized in that: A rotating block (8) is provided at the connection between the rotating frame one (4), the rotating frame two (5) and the handle (7). A rotating hole is provided on the rotating block (8). A fixing block (9) is provided on the outer peripheral wall of the purification tube at the position of the two end faces of the rotating block (8). A rotating groove with the same cross-sectional area as the rotating hole is provided on the fixing block (9). The rotating shaft passes through the rotating hole and extends into the rotating groove on the two fixing blocks (9).

4. The waste gas utilization device for the paper dryer according to claim 3, characterized in that: The outer peripheral walls of the rotating frame 1 (4) and rotating frame 2 (5) are provided with through grooves (10), and the inner walls of the rotating frame 1 (4) and rotating frame 2 (5) are provided with slots (11). The slots (11) and through grooves (10) are connected. The cleaning plate (6) is detachably connected to the through grooves (10) and slots (11).

5. The waste gas utilization device for the paper dryer according to claim 1, characterized in that: The weight of the handle (7) is greater than the sum of the weights of the rotating frame one (4), the rotating frame two (5) and the cleaning plate (6). The handle (7) is divided into two parts, and magnets that attract each other are fixedly connected to the side walls of the handle (7) that are close to each other.

6. The waste gas utilization device for the paper dryer according to claim 1, characterized in that: The cleaning sheet (6) is made of stainless steel.

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