Waste polylactic acid fiber recycling production device

Abstract

The utility model discloses a waste polylactic acid fiber recycling production device which comprises a kettle body structure, a liquid extraction structure is fixedly installed on one side of the outer wall of the kettle body structure, the kettle body structure comprises a reaction kettle body, a heating pipe is wound on the inner wall of the reaction kettle body, and a control discharging valve is installed at the bottom of the reaction kettle body in an embedded and penetrating mode. A bearing block is fixedly mounted above the reaction kettle body, a cutting shaft roller is fixedly mounted in the reaction kettle body, a cavity stirring shaft roller is rotatably mounted above the reaction kettle body through the bearing block, a cavity shaft is mounted above the interior of the cavity stirring shaft roller through a connecting bearing in a matched manner, and a stirring cutting roller is fixedly mounted at the bottom of the cavity shaft; the waste polylactic acid fiber recycling production device comprises a cavity shaft, cavity pipes are embedded in the two sides of the cavity shaft in a penetrating mode, meanwhile, a cavity plate is embedded in one end of each cavity pipe in a penetrating mode, and a scraping plate is fixedly installed on one side of each cavity plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste polylactic acid fiber recycling technical field, concretely is a kind of waste polylactic acid fiber recycling production device. BACKGROUND

[0002] As a new type of biobased, degradable synthetic fiber material, polylactic acid fiber is mainly made from renewable resources such as corn starch, sugar beet, sugarcane, etc. through a series of processes such as saccharification, fermentation, purification and polymerization. The use of this material helps to reduce dependence on fossil fuels, reduce carbon footprint and meet the concept of circular economy. Polylactic acid is considered an environmentally friendly material, but its biodegradation conditions are relatively strict, requiring specific temperature, humidity and microbial environment. Polylactic acid degrades slowly in the natural environment, and the accumulation of large amounts of waste can form a new source of pollution. Recycling can effectively reduce the environmental hazards of these wastes and alleviate resource shortages. Polylactic acid is usually made from renewable resources such as corn starch, and recycling can reduce dependence on fossil resources and alleviate resource shortages. Chemical recycling of polylactic acid is mainly due to its importance to environmental protection and the limitations of traditional recycling methods. Traditional mechanical recycling methods can cause fiber performance to decline, and the material performance will gradually deteriorate after multiple recycling, which cannot effectively meet product use. SUMMARY

[0003] The utility model aims at the deficiency of prior art, provides a kind of waste polylactic acid fiber recycling production device, to solve the above background art proposed by the traditional mechanical recycling method can cause fiber performance to decline, and the material performance will gradually deteriorate after multiple recycling, cannot effectively meet product use.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of waste polylactic acid fiber recycling production device, including kettle body structure, the kettle body structure outer wall one side is fixedly installed with liquid extraction structure;

[0005] The kettle body structure includes a reaction kettle body with a heating pipe wound on the inner wall, and a control discharge valve is embedded and installed through the bottom of the reaction kettle body, and a bearing block is fixedly installed on the upper side of the reaction kettle body.

[0006] The cutting shaft roller is fixedly installed inside the reaction kettle body, and the cavity stirring shaft roller is rotatably installed through the bearing block on the upper side of the reaction kettle body, and the cavity shaft is installed through the connecting bearing on the inside upper side of the cavity stirring shaft roller.

[0007] By adopting the above technical scheme, the bearing block is set to fix and install.

[0008] Preferably, the cavity shaft bottom is fixedly installed with a stirring cutting roller, and cavity tubes are inlaidly and penetratively installed on both sides of the cavity shaft, and a cavity plate is inlaidly and penetratively installed at one end of the cavity tubes, one side of the cavity plate is fixedly installed with a scraper, and the cavity plate is fixedly connected with the cavity stirring shaft roller through an installation column at the upper side of the one side.

[0009] Through the cavity tube, both ends are inlaidly and penetratively connected.

[0010] Preferably, the cavity stirring shaft roller and the cavity shaft are both fixedly installed with a bevel gear, the bevel gear is in meshing connection with a driving bevel gear, and the driving bevel gear is fixedly installed on the upper side of the reaction kettle body through a driving motor.

[0011] Through the driving bevel gear, rotation adjustment is realized.

[0012] Preferably, the liquid extraction structure comprises a high-pressure liquid pump fixedly installed on one side of the outer wall of the reaction kettle body, one end of the high-pressure liquid pump is in matching connection with one end of the cavity shaft through a connecting pipe and a connecting bearing, and the other end of the high-pressure liquid pump is inlaidly and penetratively connected with the connecting hopper through a control branch pipe.

[0013] Through the connecting pipe, installation and extension connection are realized.

[0014] Preferably, the connecting hopper is fixedly connected with the bottom of the reaction kettle body, a filter box is inlaidly and penetratively installed above the connecting hopper, the filter box is inlaidly and penetratively connected with the bottom of the control discharge valve, and a frame with a filter screen is slidably and in matching installed in the filter box.

[0015] Through the connecting hopper, filtration, conveying and collection are realized.

[0016] Preferably, the cavity plate is provided in one group, and the cavity plate is symmetrically arranged about the axis of the cavity shaft.

[0017] Through the cavity plate, synchronous rotation adjustment is realized.

[0018] Compared with the prior art, the waste polylactic acid fiber recycling production device has the advantages that the waste polylactic acid fiber recycling production device,

[0019] (1) The case is solved by setting the kettle body structure, so that the traditional mechanical recycling method may cause the performance of the fiber to decrease, and the material performance will gradually deteriorate after multiple recycling, and the product use cannot be effectively met, when the waste polylactic acid fiber is recycled, the waste polylactic acid fiber is placed in the reaction kettle body, and then the corresponding water and catalyst are injected into the reaction kettle body, and when the heating pipe and the driving motor operate, the cavity stirring shaft roller, the cavity shaft and the stirring cutting roller are relatively rotated under stress, which not only drives the mixing and stirring of the waste polylactic acid fiber, water and catalyst, but also effectively stirs and cuts the waste polylactic acid fiber, so that the chemical reaction is fully participated, and when the waste polylactic acid fiber fully reacts to form a liquid, the filtering and subsequent conveying processing of the liquid extraction structure are facilitated.

[0020] (2) The liquid extraction structure is set, so that the heating pipe is uniformly heated, and the waste polylactic acid fiber forming a liquid cannot be filtered and treated, when the operator conveys hot water through the control branch pipe into the cavity shaft and the cavity plate during the processing of the waste polylactic acid fiber, so as to assist in heating the water, the waste polylactic acid fiber and the catalyst in the stirring process, when the three are at a corresponding temperature, the reaction speed and efficiency are improved, and at the same time, when the waste polylactic acid fiber is in a liquid state, the control discharge valve is opened to convey the cooled liquid into the filter box, the liquid in the filter box is filtered to leave the product after the reaction of the waste polylactic acid fiber, so that subsequent processing is facilitated, and the high-pressure liquid pump can also be used to extract the filtered liquid and convey it into the reaction kettle body again to participate in the chemical reaction. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a front view of the sectional structure of the utility model;

[0022] Figure 2 It is a reaction kettle body, a heating pipe, a control discharge valve, a bearing block, a cutting shaft roller, a cavity stirring shaft roller, a cavity shaft, a stirring cutting roller, a cavity pipe, a cavity plate, a scraper, a bevel gear and a driving bevel gear structure schematic diagram of the utility model;

[0023] Figure 3 It is a driving motor structure schematic diagram of the utility model;

[0024] Figure 4 It is a liquid extraction structure schematic diagram of the utility model;

[0025] Figure 5 It is a frame structure schematic diagram of the utility model.

[0026] In the figure: 1, kettle body structure; 101, reaction kettle body; 102, heating pipe; 103, control discharge valve; 104, bearing block; 105, cutting shaft roller; 106, cavity stirring shaft roller; 107, cavity shaft; 108, stirring cutting roller; 109, cavity pipe; 1010, cavity plate; 1011, scraper; 1012, bevel gear; 1013, drive bevel gear; 1014, drive motor; 2, liquid extraction structure; 201, high-pressure liquid pump; 202, connecting pipe; 203, control branch pipe; 204, connecting hopper; 205, filter box; 206, frame. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] Please refer to Figures 1-5 , the present application provides a technical scheme: a waste polylactic acid fiber recycling production device, as shown in Figure 1 , Figure 2 and Figure 3 , including kettle body structure 1, kettle body structure 1 including reaction kettle body 101 with heating pipe 102 winding on the inner wall, and reaction kettle body 101 bottom inlaying through installation control discharge valve 103, at the same time reaction kettle body 101 top fixedly installed bearing block 104, reaction kettle body 101 inside fixedly installed cutting shaft roller 105, and reaction kettle body 101 top rotatably installed cavity stirring shaft roller 106 through bearing block 104, at the same time cavity stirring shaft roller 106 inside top through connecting bearing matched installation cavity shaft 107, cavity shaft 107 bottom fixedly installed stirring cutting roller 108, and cavity shaft 107 both sides inlaying through installation cavity pipe 109, at the same time cavity pipe 109 one end inlaying through installation cavity plate 1010, cavity plate 1010 is provided with 1 group, and cavity plate 1010 is symmetrically arranged about the axis of cavity shaft 107, through the above-mentioned parts are provided with 1 group of two blocks, so that the above-mentioned parts are not only installed and set practicality, but also installed and set symmetry and synchronous stress rotation stirring, and through the above-mentioned parts are provided with 1 group of two blocks, so that the above-mentioned parts are installed and set axis symmetry, cavity plate 1010 one side fixedly installed scraper 1011, and cavity plate 1010 one side top fixedly connected with cavity stirring shaft roller 106 through mounting column.

[0029] The further scheme, cavity stirring shaft roll 106 and cavity shaft 107 are all through fixed installation has bevel gear 1012, and bevel gear 1012 is engaged with driving bevel gear 1013 connection, simultaneously driving bevel gear 1013 is fixedly installed on the kettle body 101 above by driving motor 1014, wherein, the above-mentioned parts constitute relative rotation stirring structure, when using the relative rotation stirring structure constituted by the above-mentioned parts, not only the waste polylactic acid fiber, water and catalyst are effectively mixed and fully stirred, but also the waste polylactic acid fiber in the stirring process is fully rotated and cut by the relative rotation of stirring cutter roll 108 and cutting shaft roll 105, so that the chemical reaction efficiency of the whole waste polylactic acid fiber is improved.

[0030] As Figure 4 And Figure 5 As shown in the kettle body structure 1 outer wall one side fixed installation has liquid extraction structure 2, liquid extraction structure 2 includes fixedly installed on the outer wall of the kettle body 101 one side high pressure liquid pump 201, and one end of high pressure liquid pump 201 through the connecting pipe 202 and connecting bearing and cavity shaft 107 one end internal matching connection, simultaneously high pressure liquid pump 201 the other end through control branch pipe 203 and connecting bucket 204 inlay through connection, liquid extraction structure 2 includes fixedly installed on the outer wall of the kettle body 101 one side high pressure liquid pump 201, and one end of high pressure liquid pump 201 through the connecting pipe 202 and connecting bearing and cavity shaft 107 one end internal matching connection, simultaneously high pressure liquid pump 201 the other end through control branch pipe 203 and connecting bucket 204 inlay through connection, wherein, control branch pipe 203 one end and hot water equipment or hot water tank installation connection, using control branch pipe 203 one end and hot water equipment or hot water tank installation connection from the convenience hot water delivery in cavity plate 1010 inside the middle of the liquid auxiliary heating to avoid the case of single heating pipe 102 in the liquid outside to the center gradually heating, so not only affect the reaction efficiency, but also there will be the case of reaction temperature difference.

[0031] In the above scheme, when the waste polylactic acid fiber is recycled, the waste polylactic acid fiber is placed in the reaction kettle body 101, then the corresponding water and catalyst are added and injected into the reaction kettle body 101, the heating pipe 102 and the driving motor 1014 are controlled to operate, the cavity stirring shaft roller 106, the cavity shaft 107 and the stirring cutting roller 108 are relatively rotated under stress, the waste polylactic acid fiber is mixed and stirred with the water and the catalyst, and the waste polylactic acid fiber is also effectively subjected to stirring and cutting treatment, so as to fully participate in the chemical reaction, when the waste polylactic acid fiber is reacted, the operator controls the high-pressure liquid pump 201 and the control branch pipe 203 to operate again, hot water is delivered into the cavity pipe 109 and the cavity plate 1010, so as to avoid the existence of internal and external temperature difference, and the reaction efficiency is improved again, when the waste polylactic acid fiber forms liquid, the control discharge valve 103 is opened, the liquid is delivered into the filter box 205 and the frame 206 for filtering treatment, and the filtered product can be conveniently processed.

[0032] The terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only a simplified description for the convenience of describing the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the protection scope of the utility model.

[0033] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A waste polylactic acid fiber recycling production device, comprising a kettle body structure (1), characterized in that: The kettle body structure (1) is fixedly installed with a liquid extraction structure (2) on one side of the outer wall; The kettle body structure (1) comprises a reaction kettle body (101) with a heating pipe (102) wound on the inner wall, and a control discharge valve (103) is inlaid and penetrates through the bottom of the reaction kettle body (101), and a bearing block (104) is fixedly installed above the reaction kettle body (101); The reaction kettle body (101) is fixedly installed with a cutting shaft roller (105) inside, and a cavity stirring shaft roller (106) is rotatably installed above the reaction kettle body (101) through the bearing block (104), and a cavity shaft (107) is inlaid and penetrates through and is installed in the cavity stirring shaft roller (106) in a matched manner.

2. The device according to claim 1, characterized in that: The cavity shaft (107) is fixedly installed with a stirring cutting roller (108) at the bottom, and cavity pipes (109) are inlaid and penetrates through and are installed on both sides of the cavity shaft (107), and a cavity plate (1010) is inlaid and penetrates through and is installed at one end of the cavity pipe (109), and a scraper (1011) is fixedly installed on one side of the cavity plate (1010), and the cavity plate (1010) is fixedly connected with the cavity stirring shaft roller (106) through the mounting column on one side and above.

3. The device according to claim 1, characterized in that: The cavity stirring shaft roller (106) and the cavity shaft (107) are both fixedly installed with a bevel gear (1012), and the bevel gear (1012) is in meshing connection with a driving bevel gear (1013), and the driving bevel gear (1013) is fixedly installed on the top of the reaction kettle body (101) through a driving motor (1014).

4. The device according to claim 1, characterized in that: The liquid extraction structure (2) comprises a high-pressure liquid pump (201) fixedly installed on one side of the outer wall of the reaction kettle body (101), and one end of the high-pressure liquid pump (201) is connected with one end of the cavity shaft (107) in a matched manner through a connecting pipe (202) and a connecting bearing, and the other end of the high-pressure liquid pump (201) is inlaid and penetrates through and is connected with a connecting hopper (204) through a control branch pipe (203).

5. The device according to claim 4, characterized in that: The connecting hopper (204) is fixedly connected with the bottom of the reaction kettle body (101), and a filter box (205) is inlaid and penetrates through and is installed above the connecting hopper (204), and the filter box (205) is inlaid and penetrates through and is connected with the bottom of the control discharge valve (103), and a frame (206) with a filter screen is slidably and matchingly installed in the filter box (205).

6. The device according to claim 2, characterized in that: The cavity plate (1010) is provided in one set, and the cavity plate (1010) is symmetrically arranged about the axis of the cavity shaft (107).

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