Cleaning device for secondary pressure belt of paper machine and paper machine

Abstract

The cleaning device comprises a cleaning mechanism, the cleaning mechanism is arranged on one side of the secondary pressing belt, and the cleaning mechanism is used for cleaning or / and lubricating the secondary pressing belt; the scraper mechanism is located below the cleaning mechanism, the scraper mechanism is arranged below the second pressing belt, and the scraper mechanism is used for scraping paper pulp foreign matter on the second pressing belt; and the purging mechanism is arranged below the second pressure belt, and the purging mechanism is used for purging the second pressure belt. In the cleaning process, firstly, water flow is sprayed out through the cleaning mechanism to lubricate or / and clean the secondary pressing belt, the secondary pressing belt is cleaned, then paper pulp foreign matter on the secondary pressing belt is scraped down through the scraper mechanism, the secondary pressing belt is cleaned again, meanwhile, compressed air is sprayed out through the purging mechanism, and the secondary pressing belt is cleaned. Paper pulp foreign matters on the secondary pressing belt are blown down, so that the secondary pressing belt is further dried and cleaned, and the secondary pressing belt is ensured to be clean and free of foreign matters.

Description

TECHNICAL FIELD

[0001] The utility model relates to papermaking equipment technical field, concretely relates to a cleaning device of paper machine two pressure belts and paper machine. BACKGROUND

[0002] In the papermaking production process, two pressure belts are arranged after the pressing part and before the drying part, so that the paper can be smoothly transferred to the drying part after being pressed, and the fluctuation and deformation of the paper are reduced, and the working principle is that the paper is smoothly transmitted to the next process through the rotation and friction of the belt.

[0003] In the conveying process of the paper, the paper pulp impurities on the paper can be adhered to the belt, and the long-term accumulation can be adhered to the surface of the belt and enter the next process, causing paper breakage, paper surface hole and other problems. UTILITY MODEL CONTENT

[0004] Therefore, a cleaning device of paper machine two pressure belts and paper machine are needed to solve the technical problems that the paper pulp impurities on the paper can be adhered to the belt in the conveying process of the paper, and the long-term accumulation can be adhered to the surface of the belt and enter the next process, causing paper breakage, paper surface hole and other problems.

[0005] To achieve the above purpose, the inventors provide a cleaning device of paper machine two pressure belts, which comprises:

[0006] A cleaning mechanism is arranged on one side of the two pressure belts, and the cleaning mechanism is used for cleaning or / and lubricating the two pressure belts;

[0007] A scraper mechanism is arranged below the cleaning mechanism, and the scraper mechanism is arranged below the two pressure belts, and the scraper mechanism is used for scraping the paper pulp impurities on the two pressure belts;

[0008] And a blow washing mechanism is arranged below the two pressure belts, and the blow washing mechanism is used for blow washing the two pressure belts.

[0009] As a preferred structure of the utility model, the two pressure belts comprise a tensioning roller, the blow washing mechanism is arranged on one side of the tensioning roller, and the blow washing mechanism and the scraper mechanism are respectively arranged on both sides of the two pressure belts.

[0010] As a preferred structure of the utility model, the blow washing mechanism comprises a gas supply component, a blow washing pipe and a plurality of first nozzles;

[0011] The blow washing pipe is arranged below the two pressure belts, and the blow washing pipe is fixedly arranged on one side of the tensioning roller of the two pressure belts;

[0012] The air supply component is connected with the blowing pipe through an air pipe, and the air supply component is used for supplying compressed air to the blowing pipe.

[0013] The first nozzles are arranged on the blowing pipe in a slanting manner.

[0014] As a preferred structure of the utility model, the first nozzles are arranged on the blowing pipe in a uniform manner, and the interval between two adjacent first nozzles is 120-180 mm.

[0015] As a preferred structure of the utility model, the first nozzles are arranged on the blowing pipe in a slanting manner.

[0016] As a preferred structure of the utility model, the cleaning mechanism comprises a water supply pool, a water pump, a cleaning pipe and a plurality of second nozzles.

[0017] The second nozzles are arranged on the cleaning pipe in a uniform manner, and the interval between two adjacent second nozzles is 120-180 mm.

[0018] The water supply pool is connected with the cleaning pipe through a pipe, and the water pump is arranged on the pipe between the water supply pool and the cleaning pipe.

[0019] The second nozzles are arranged on the cleaning pipe in a uniform manner, and the interval between two adjacent second nozzles is 120-180 mm.

[0020] As a preferred structure of the utility model, the water outlet direction of the second nozzles is perpendicular to the conveying direction of the conveying belt.

[0021] The second nozzles are arranged on the cleaning pipe in a uniform manner, and the interval between two adjacent second nozzles is 120-180 mm.

[0022] As a preferred structure of the utility model, the scraper mechanism comprises a scraper seat and a scraper, the scraper seat is fixedly arranged below the second conveying belt, the scraper is arranged on the scraper seat, the scraper is detachably connected with the scraper seat, and the scraper is arranged in a spaced manner with the conveying belt of the second conveying belt.

[0023] As a preferred structure of the utility model, the cleaning device of the second conveying belt of the paper machine further comprises a dirt receiving box, the cleaning mechanism and the scraper mechanism are located on the same horizontal line in the vertical direction, the dirt receiving box is arranged below the scraper mechanism and the blowing mechanism, and a dirt outlet is arranged at the bottom of the dirt receiving box.

[0024] Distinguish from prior art, the beneficial effects of the above technical scheme are: the cleaning device of the paper machine two-pressing belt, in the cleaning process, first, the water flow is sprayed through the cleaning mechanism, the two-pressing belt is lubricated or / and cleaned, the two-pressing belt is cleaned, then the paper pulp foreign matter on the two-pressing belt is scraped down through the scraper mechanism, the two-pressing belt is cleaned again, and the paper pulp foreign matter on the two-pressing belt is blown down through the blowing mechanism, the two-pressing belt is further dry and clean, so that the two-pressing belt is clean and free of foreign matter, the cleaning effect is further achieved, and problems such as paper breakage and paper surface hole are avoided.

[0025] To achieve the above object, the inventor also provides a paper machine comprising the cleaning device of the paper machine two-pressing belt according to any one of the above-mentioned inventions.

[0026] Distinguish from prior art, the beneficial effects of the above technical scheme are: the cleaning device of the paper machine two-pressing belt, in the cleaning process, first, the water flow is sprayed through the cleaning mechanism, the two-pressing belt is lubricated or / and cleaned, the two-pressing belt is cleaned, then the paper pulp foreign matter on the two-pressing belt is scraped down through the scraper mechanism, the two-pressing belt is cleaned again, and the paper pulp foreign matter on the two-pressing belt is blown down through the blowing mechanism, the two-pressing belt is further dry and clean, so that the two-pressing belt is clean and free of foreign matter, the cleaning effect is further achieved, and problems such as paper breakage and paper surface hole are avoided.

[0027] The above-mentioned utility model content related record is only the summary of the technical scheme of the application, in order to let the ordinary skilled person in the art can more clearly understand the technical scheme of the application, then can be implemented according to the content of the description and the drawings, and in order to let the above-mentioned purpose of the application and other purposes, features and advantages can be more easily understood, the following combining the specific embodiment of the application and the drawings are described. BRIEF DESCRIPTION OF DRAWINGS

[0028] The drawings are only used to show the principles, implementation modes, applications, characteristics and effects of the specific embodiments and other related contents of the application, and cannot be considered as the limitation of the application.

[0029] In the drawings of the specification:

[0030] Figure 1 It is one of the test diagrams of the cleaning device of the paper machine two-pressing belt described in the specific embodiment;

[0031] Figure 2 It is the second test diagram of the cleaning device of the paper machine two-pressing belt described in the specific embodiment;

[0032] Figure 3 Figure 6 is a side view of the flushing air pipe according to the specific embodiment;

[0033] Figure 4 Figure 7 is a top view of the flushing air pipe according to the specific embodiment;

[0034] Figure 5 Figure 8 is a side view of the cleaning air pipe according to the specific embodiment.

[0035] The reference signs involved in the above-mentioned figures are explained as follows:

[0036] 1. cleaning mechanism,

[0037] 11. water supply tank,

[0038] 12. water pump,

[0039] 13. cleaning pipe,

[0040] 14. second nozzle,

[0041] 2. scraper mechanism,

[0042] 21. scraper,

[0043] 22. scraper seat,

[0044] 3. flushing mechanism,

[0045] 31. air supply component,

[0046] 32. flushing pipe,

[0047] 33. first nozzle,

[0048] 4. double-belt,

[0049] 41. tensioning roller,

[0050] 42. conveying belt,

[0051] 5. dirt receiving tank,

[0052] 51. dirt discharge port. DETAILED DESCRIPTION

[0053] In order to describe possible application scenarios, technical principles, specific schemes that can be implemented, purposes and effects that can be achieved, etc. of the present application in detail, the following will be described in detail in combination with specific embodiments listed and with the aid of the accompanying drawings. The embodiments described in this document are only used to more clearly illustrate the technical schemes of the present application, and therefore only serve as examples, and cannot be used to limit the protection scope of the present application.

[0054] The term "embodiment" is mentioned in this document means that the specific features, structures or characteristics described in connection with the embodiment can be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in this application, as long as there is no technical contradiction or conflict, the technical features mentioned in each embodiment can be combined in any way to form a corresponding implementable technical solution.

[0055] Unless otherwise defined, the meaning of technical terms used in this document is the same as that generally understood by those skilled in the art to which the present application belongs; the use of related terms in this document is only for the purpose of describing specific embodiments, and is not intended to limit the present application.

[0056] In the description of the present application, the phrase "and / or" is a description of the logical relationship between the objects, which means that there can be three relationships, for example, A and / or B, which means that there are three cases: A exists, B exists, and A and B exist at the same time. In addition, the character " / " in this document generally represents that the associated objects before and after are a "or" logical relationship.

[0057] In this application, such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual quantity, primary and secondary or order relationship between them.

[0058] In this application, without more limitation, the "include", "contain", "have" or other similar expressions used in the sentence are intended to cover non-exclusive inclusion, and these expressions do not exclude the existence of other elements in the process, method or product including the described elements, so that the process, method or product including a series of elements can not only include those limited elements, but also include other elements not explicitly listed, or also include the elements inherent in such process, method or product.

[0059] As the same as the understanding in the "Guidelines for Examination", in this application, "greater than", "less than", "exceed" and other expressions are understood as not including the number; "above", "below", "within" and other expressions are understood as including the number. In addition, the meaning of "multiple" in the description of the embodiments of the present application is more than two (including two), and similar expressions related to "multiple" are also understood in this way, for example, "multiple groups", "multiple times" and the like, unless otherwise explicitly limited.

[0060] In the description of the embodiments of the present application, the spatial relative expressions such as "central", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship shown in the specific embodiments or the drawings, and are only for the convenience of describing the specific embodiments of the present application or for the reader to understand, and do not indicate or imply that the indicated device or component must have a particular position, a particular orientation, or be constructed or operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present application. In addition, it is also understood in the context that when referring to an element connected to another element "on" or "under", it can be directly connected to another element "on" or "under" or indirectly connected to another element "on" or "under" through an intermediate element.

[0061] Unless otherwise explicitly specified or limited, in the description of the embodiments of the present application, the terms "mount", "connect", "connect", "fix", "set", and the like should be understood broadly. For example, the "connection" can be fixed connection, or detachable connection, or integral setting; it can be mechanical connection, or electrical connection, or communication connection; it can be direct connection, or indirect connection through intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art to which the present application belongs, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0062] Please refer to Figures 1 to 5 The present embodiment relates to a kind of cleaning device of paper machine two pressure belts 4, comprising:

[0063] Cleaning mechanism 1, the cleaning mechanism 1 is arranged at two pressure belts 4 one side, the cleaning mechanism 1 is used to clean or / and lubricate two pressure belts 4, cleaning mechanism 1 sprays water flow, to lubricate or / and clean two pressure belts 4, to two pressure belts 4 play the role of cleaning.It needs to be explained that in the present embodiment, cleaning mechanism 1 has two, two cleaning mechanism 1 is arranged in up and down.

[0064] Scraper mechanism 2, the scraper mechanism 2 is located below the cleaning mechanism 1, the scraper mechanism 2 is arranged below two pressure belts 4, the scraper mechanism 2 is used to scrape the paper pulp foreign matter on two pressure belts 4, to scrape the paper pulp foreign matter on two pressure belts 4, to two pressure belts 4 play the role of cleaning.

[0065] and a blowing mechanism 3 arranged below the two-press belt 4, the blowing mechanism 3 being used to blow the two-press belt 4, the two-press belt 4 being blown by compressed air sprayed by the blowing mechanism 3 to blow the pulp impurities on the two-press belt 4 and to dry and clean the two-press belt 4.

[0066] Specifically, in the cleaning device of the paper machine two-press belt 4 in the embodiment, during the cleaning process, the two-press belt 4 is first lubricated and / or cleaned by the water flow sprayed by the cleaning mechanism 1 to clean the two-press belt 4, then the pulp impurities on the two-press belt 4 are scraped by the scraper mechanism 2 to clean the two-press belt 4 again, and then the pulp impurities on the two-press belt 4 are blown by the compressed air sprayed by the blowing mechanism 3 to further dry and clean the two-press belt 4, so as to ensure that the two-press belt 4 is clean and free of impurities, to further clean the two-press belt 4 and avoid problems such as paper breakage and paper surface holes in the next process.

[0067] Preferably, in the embodiment, as shown in Figures 1 to 5 the blowing mechanism 3 and the scraper mechanism 2 are arranged on both sides of the two-press belt 4, the two-press belt 4 includes a tensioning roller 41, and the blowing mechanism 3 is arranged on one side of the tensioning roller 41, so as to further clean and dry the transmission belt 42 of the two-press belt 4, after the cleaning mechanism 1 and the scraper mechanism 2 clean and scrape the impurities, the blowing mechanism 3 is used to blow, so as to further clean the two-press belt 4.

[0068] Optionally, in some embodiments, as shown in Figures 1 to 5 the blowing mechanism 3 includes a gas supply component 31, a blowing pipe 32, and a plurality of first nozzles 33; the blowing pipe 32 is arranged below the two-press belt 4 and is fixedly arranged on one side of the tensioning roller 41 of the two-press belt 4; the gas supply component 31 is connected to the blowing pipe 32 by an air pipe, and the gas supply component 31 is used to supply compressed air to the blowing pipe 32; in the embodiment, the gas supply component 31 is an air compressor. In other embodiments, compressed air in the production workshop can also be used. The plurality of first nozzles 33 are respectively arranged on the blowing pipe 32 in an inclined manner, so as to better blow the transmission belt 42 of the two-press belt 4 and achieve better blowing effect, the first nozzles 33 are in communication with the blowing pipe 32, and the first nozzles 33 are fan-shaped nozzles. In the embodiment, the number of the first nozzles 33 is not limited, and can be set according to actual conditions. In the embodiment, there are 75 first nozzles 33. It should be noted that the structure of the blowing mechanism 3 in the embodiment is not limited thereto, and those skilled in the art can select other suitable blowing mechanisms 3 according to the teachings of the embodiment.

[0069] Optionally, in some embodiments, as shown in Figures 1 to 5 The first nozzles 33 are evenly distributed on the blowing pipe 32, and the distance between two adjacent first nozzles 33 is 120-180 mm. In this embodiment, the distance between two adjacent first nozzles 33 is 150 mm. In this way, the conveying belt 42 of the two-pressing belt 4 can be better blown, and better blowing effect can be achieved.

[0070] Optionally, in some embodiments, as shown in Figures 1 to 5 The first nozzles 33 are arranged at an angle of 30-60° with the blowing pipe 32. In this embodiment, the first nozzles 33 are arranged at an angle of 45° with the blowing pipe 32. In this way, the conveying belt 42 of the two-pressing belt 4 can be better blown, and better blowing effect can be achieved.

[0071] Optionally, in some embodiments, as shown in Figures 1 to 5 The cleaning mechanism 1 comprises a water supply tank 11, a water pump 12, a cleaning pipe 13, and a plurality of second nozzles 14. The two-pressing belt 4 comprises a conveying belt 42. The cleaning pipe 13 is fixedly arranged on the outer side of the conveying belt 42, so as to facilitate cleaning and / or lubrication of the conveying belt 42 of the two-pressing belt 4. The water supply tank 11 is connected to the cleaning pipe 13 through a pipeline. The water pump 12 is arranged on the pipeline between the water supply tank 11 and the cleaning pipe 13. In this embodiment, the water pump 12 is used to pump water in the water supply tank 11 to the cleaning pipe 13. The water supply tank 11 is a reuse water tank of a sewage treatment system, so as to recycle and utilize the water in the reuse water tank and save water resources. The second nozzles 14 are arranged on the cleaning pipe 13 and connected to the cleaning pipe 13. The second nozzles 14 are fan-shaped nozzles. In this embodiment, the number of the second nozzles 14 is not limited and can be set according to actual conditions. In this embodiment, there are 75 second nozzles 14. It should be noted that the structure of the cleaning mechanism 1 in this embodiment is not limited to this, and those skilled in the art can select other suitable cleaning mechanisms 1 according to the teachings of this embodiment.

[0072] Optionally, in some embodiments, as shown in Figures 1 to 5 The water outlet directions of the second nozzles 14 are perpendicular to the conveying direction of the conveying belt 42. In this way, the conveying belt 42 of the two-pressing belt 4 can be better cleaned, and better cleaning effect can be achieved.

[0073] Optionally, in some embodiments, as shown in Figures 1 to 5As shown, the plurality of second nozzles 14 are evenly distributed on the cleaning pipe 13, and the distance between two adjacent second nozzles 14 is 120-180 mm; preferably, the distance between two adjacent second nozzles 14 is 150 mm, so as to better clean the conveying belt 42 of the two-press belt 4 and achieve better cleaning effect.

[0074] Optionally, in some embodiments, as shown in Figures 1 to 5 As shown, the scraper mechanism 2 includes a scraper seat 22 and a scraper 21, the scraper seat 22 is fixedly arranged below the two-press belt 4, the scraper 21 is arranged on the scraper seat 22, and the scraper 21 and the scraper seat 22 are detachably connected by bolts, which is convenient for disassembly and maintenance of the blade; the scraper 21 is arranged in a spaced manner with the conveying belt 42 of the two-press belt 4, so that the pulp impurities on the two-press belt 4 can be scraped off while ensuring the orderly conveying. It should be noted that the structure of the scraper mechanism 2 of the present embodiment is not limited thereto, and those skilled in the art can select other suitable scraper mechanisms 2 according to the teachings of the present embodiment.

[0075] Optionally, in some embodiments, as shown in Figures 1 to 5 As shown, the cleaning device of the paper machine two-press belt 4 further includes a dirt receiving tank 5, the cleaning mechanism 1 and the scraper mechanism 2 are located on the same horizontal line in the vertical direction, and the dirt receiving tank 5 is arranged below the scraper mechanism 2 and the blow cleaning mechanism 3, wherein the dirt receiving tank 5 is arranged to collect the pulp impurities and sewage cleaned, scraped and blown by the cleaning mechanism 1, the scraper mechanism 2 and the blow cleaning mechanism 3, so as to avoid pollution of the rack and the ground and play a cleaning role; the bottom of the dirt receiving tank 5 is provided with a dirt discharge port 51, and the dirt receiving tank 5 is connected with the dirt discharge port 51 through a dirt discharge pipe, so as to discharge the pulp impurities and sewage in the dirt receiving tank 5. The top of the dirt receiving tank in the present embodiment is hollow.

[0076] Specifically, in the present embodiment, as shown in Figures 1 to 5As shown, during the cleaning process, first, the plurality of first nozzles 33 spray water flow to lubricate and / or clean the conveying belt 42, and the conveying belt 42 is cleaned. Then, the pulp impurities on the conveying belt 42 are scraped off by the scraper 21, and the conveying belt 42 is cleaned again. At the same time, compressed air is sprayed from the plurality of second nozzles 14 to blow the pulp impurities on the conveying belt 42, and the conveying belt 42 is further cleaned to ensure that the conveying belt 42 is clean and free of impurities, so as to further clean the conveying belt 42 and avoid problems such as paper breakage and paper surface holes in the next process. At the same time, the dirt collecting box 5 is provided to collect the pulp impurities and sewage cleaned, scraped and blown off by the cleaning mechanism 1, the scraper mechanism 2 and the blowing mechanism 3, so as to avoid pollution of the rack and the ground and achieve the cleaning effect.

[0077] The present embodiment relates to a paper machine comprising the cleaning device of the two-press belt 4 of the paper machine according to any of the above embodiments. Specifically, in the present embodiment, as shown in Figures 1 to 5 Figures 1 to 5 Figures 1 to 5 Figures 1 to 5 As shown, during the cleaning process, first, the plurality of first nozzles 33 spray water flow to lubricate and / or clean the conveying belt 42, and the conveying belt 42 is cleaned. Then, the pulp impurities on the conveying belt 42 are scraped off by the scraper 21, and the conveying belt 42 is cleaned again. At the same time, compressed air is sprayed from the plurality of second nozzles 14 to blow the pulp impurities on the conveying belt 42, and the conveying belt 42 is further cleaned to ensure that the conveying belt 42 is clean and free of impurities, so as to further clean the conveying belt 42 and avoid problems such as paper breakage and paper surface holes in the next process. At the same time, the dirt collecting box 5 is provided to collect the pulp impurities and sewage cleaned, scraped and blown off by the cleaning mechanism 1, the scraper mechanism 2 and the blowing mechanism 3, so as to avoid pollution of the rack and the ground and achieve the cleaning effect.

[0078] Finally, it should be noted that although the above embodiments have been described in the specification and drawings of the present application, the patent protection scope of the present application should not be limited. Any equivalent structure or equivalent flow replacement or modification based on the essential concept of the present application, the content described in the specification and drawings, and the technical solutions directly or indirectly derived from the above embodiments and applied to other related technical fields, are all included in the patent protection scope of the present application.

Claims

1. A cleaning device for a paper machine two-press belt, characterized in that The cleaning device comprises: a cleaning mechanism arranged on one side of the two-press belt, which is used for cleaning and / or lubricating the two-press belt; a scraper mechanism arranged below the cleaning mechanism, which is arranged below the two-press belt and used for scraping off the pulp impurities on the two-press belt; and a blowing mechanism arranged below the two-press belt, which is used for blowing the two-press belt.

2. A cleaning device for a paper machine second press belt as claimed in claim 1, characterized in that The two-press belt comprises a tensioning roller, and the blowing mechanism is arranged on one side of the tensioning roller, and the blowing mechanism and the scraper mechanism are arranged on two sides of the two-press belt, respectively.

3. A cleaning device for a paper machine two-press belt according to claim 1 or 2, characterized in that: The blowing mechanism comprises a gas supply component, a blowing pipe and a plurality of first nozzles. The blowing pipe is arranged below the two-press belt and fixedly arranged on one side of the tensioning roller of the two-press belt. The gas supply component is connected to the blowing pipe through an air pipe, and is used for supplying compressed air to the blowing pipe. The plurality of first nozzles are respectively arranged on the blowing pipe in an inclined manner, and the first nozzles are in communication with the blowing pipe.

4. A cleaning device for a paper machine second press belt as claimed in claim 3, characterized in that: The plurality of first nozzles are evenly distributed on the blowing pipe, and the distance between two adjacent first nozzles is 120-180 mm.

5. A cleaning device for a paper machine second press belt as claimed in claim 4, characterized in that: The plurality of first nozzles are arranged at an angle of 30-60° with respect to the blowing pipe.

6. The apparatus of claim 1 wherein: The cleaning mechanism comprises a water tank, a water pump, a cleaning pipe and a plurality of second nozzles. The two-press belt comprises a conveying belt, and the cleaning pipe is fixedly arranged on the outer side of the conveying belt. The water tank is connected to the cleaning pipe through a pipeline, and the water pump is arranged on the pipeline between the water tank and the cleaning pipe. The plurality of second nozzles are arranged on the cleaning pipe, and the second nozzles are connected to the cleaning pipe.

7. A cleaning device for a paper machine second press belt as claimed in claim 6, characterized in that The water outlet direction of the plurality of second nozzles is perpendicular to the conveying direction of the conveying belt. The plurality of second nozzles are evenly distributed on the cleaning pipe, and the distance between two adjacent second nozzles is 120-180 mm.

8. The apparatus of claim 1 wherein: The scraper mechanism comprises a scraper seat and a scraper, the scraper seat is fixedly arranged below the two-press belt, the scraper is arranged on the scraper seat, the scraper is detachably connected to the scraper seat, and the scraper is arranged at a distance from the conveying belt of the two-press belt.

9. The apparatus of claim 1 wherein: The cleaning device of the two-press belt of the paper machine further comprises a dirt collecting box, the cleaning mechanism and the scraper mechanism are arranged on the same horizontal line in the vertical direction, the dirt collecting box is arranged below the scraper mechanism and the blowing mechanism, and the bottom of the dirt collecting box is provided with a dirt outlet.

10. A paper machine characterized by: The cleaning device of the two-press belt of the paper machine comprises any one of the above claims 1-9.

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