Waste plastic re-cleaning device

Abstract

The utility model belongs to the field of cleaning devices, and particularly relates to a waste plastic re-cleaning device which comprises a cleaning box. The upper end of the cleaning box is connected with a pretreatment assembly, the lower end of the cleaning box is connected with a recovery assembly, and the interior of the cleaning box is connected with a cleaning assembly; according to the waste plastic pretreatment device, by arranging the pretreatment assembly, a feeding opening can be covered firstly, then an air pump is started, air flow is blown out of the pretreatment box through a ventilation pipe and a blowing nozzle, and therefore some light and small-size impurities in waste plastic can be blown out of the pretreatment box from right to left through the air flow, and then the waste plastic can be cleaned after being pretreated; the subsequent cleaning difficulty of the waste plastics is reduced; the waste liquid generated by each round of cleaning can be taken out by the sampling pipe by opening the sampling valve, and then the pH value of the sample is detected by the pH value detector or the pH test paper, so that the waste liquid can be recycled when the pH value of the waste liquid is proper.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of cleaning device, concretely is a kind of waste plastics and washes device again. BACKGROUND

[0002] Waste plastics and washes device again is used to clean and decontaminate the special equipment of the waste plastics (such as bottle, film, bag, container etc.) of recycling, is one of the core links in the process of plastic recycling and regeneration.

[0003] In the Chinese patent with application number CN202323052560.5, a kind of waste plastics and washes device again is disclosed;By setting the opposite direction rotation of cleaning roller and cleaning rod, the waste plastic sheet is efficiently cleaned, by setting brush on cleaning rod, the waste plastic sheet is cleaned more cleanly, by setting discharge pipe at discharge, the waste plastic sheet cleaned is conveniently exported, concentrated collection, the design has good cleaning effect, high cleaning efficiency;

[0004] But some impurities may be contained in waste plastics, the cleaning device in the prior art is difficult to pretreat some lighter impurities before cleaning, so the difficulty may be greater when cleaning, and the cleaning device in the prior art is difficult to recycle waste liquid after cleaning, while the cleaning device that can generally recycle waste liquid is difficult to sample and detect the acidity and alkalinity of waste liquid, it is difficult to judge whether the acidity and alkalinity of the current waste liquid is suitable for recycling, therefore, a kind of waste plastics and washes device again is proposed for the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the deficiencies of the prior art, some impurities may be contained in waste plastics, the cleaning device in the prior art is difficult to pretreat some lighter impurities before cleaning, so the difficulty may be greater when cleaning, and the cleaning device in the prior art is difficult to recycle waste liquid after cleaning, while the cleaning device that can generally recycle waste liquid is difficult to sample and detect the acidity and alkalinity of waste liquid, it is difficult to judge whether the acidity and alkalinity of the current waste liquid is suitable for recycling, therefore, a kind of waste plastics and washes device again is proposed for the above problems.

[0006] The technical scheme adopted by the utility model to solve its technical problems is: a kind of waste plastics and washes device again, including cleaning tank;The upper end of the cleaning tank is connected with pretreatment assembly, the lower end of the cleaning tank is connected with recovery assembly, the inside of the cleaning tank is connected with cleaning assembly;

[0007] The pretreatment assembly comprises a pretreatment box, a gas pump is fixedly connected to the right end of the pretreatment box, an air pipe is fixedly communicated with the output end of the gas pump, the air pipe extends to the inside of the pretreatment box and is fixedly connected with the pretreatment box, a connecting plate is fixedly communicated with the left end of the air pipe, a plurality of blowing nozzles are fixedly communicated with the left end of the connecting plate, a through slot is formed in the left end of the pretreatment box, and a filter screen one is fixedly connected to the inner wall of the through slot.

[0008] By setting the pretreatment assembly, the feed inlet can be covered first, then the gas pump is opened to blow air flow into the pretreatment box through the air pipe and the blowing nozzle, and the air flow can blow some lighter and smaller impurities in the waste plastic from right to left to the outside of the pretreatment box. The filter screen one is used to filter some large-volume plastics to prevent them from being blown out of the box, so that the waste plastic can be pretreated before being washed, thereby reducing the difficulty of subsequent washing of the waste plastic.

[0009] The recovery assembly comprises a recovery pipe, the recovery pipe is fixedly communicated with the lower end of the washing tank, a three-way joint is threadedly connected to the right end of the recovery pipe, a sampling pipe is threadedly connected to the lower end of the three-way joint, and a sampling valve is fixedly connected to the outside of the sampling pipe.

[0010] By setting the recovery assembly, the waste liquid generated in each round of washing can be taken out as a proper sample by opening the sampling valve before the waste liquid is recovered, and the acid-base value of the sample is detected by using an acid-base detector or pH test paper, so that the waste liquid can be recovered and reused when the acid-base value is appropriate.

[0011] As a preferred, a suction pipe is threadedly connected to the right end of the three-way joint, a suction valve is fixedly connected to the outside of the suction pipe, a cover plate is detachably connected to the right end of the suction pipe, a filter is threadedly connected to the right end of the cover plate, a filter screen three is threadedly connected to the inner wall of the filter, a connecting rod is fixedly connected to the left end of the filter screen three, a filter screen two is fixedly connected to the inner side of the connecting rod, a magnetic mesh is fixedly connected to the inner side of the connecting rod, and a handle is fixedly connected to the left end of the magnetic mesh.

[0012] As a preferred, a connecting pipe is detachably connected to the right end of the filter, flanges are fixedly connected to the outside of the cover plate, the filter, the suction pipe and the connecting pipe, locking screws are threadedly connected to the outside of the flanges, and the right end of the connecting pipe is threadedly connected with the input end of a water pump.

[0013] As a preferred, a discharge pipe is threadedly connected with the output end of the water pump, the discharge pipe extends to the inside of the washing tank and is movably connected with the washing tank, a check valve is fixedly connected to the outside of the discharge pipe, and a spray head is threadedly connected to the end of the discharge pipe.

[0014] As preferred, the upper end of the cleaning tank is threadedly connected with a sealing cover, the pretreatment tank is fixedly connected to the upper end of the sealing cover, and the upper end of the sealing cover is fixedly connected with a liquid injection pipe.

[0015] As preferred, the upper end of the pretreatment tank is fixedly connected with a feeding pipe, the outer end of the pretreatment tank is fixedly connected with a driving motor one, the output end of the driving motor one is fixedly connected with a transmission shaft, the transmission shaft is rotatably connected to the inside of the pretreatment tank, the outside of the transmission shaft is fixedly connected with a bottom plate, the bottom plate is rotatably connected to the bottom of the pretreatment tank, and the bottom plate is adapted to the pretreatment tank.

[0016] As preferred, the cleaning assembly comprises a driving motor two, the driving motor two is fixedly connected to the lower end of the cleaning tank, the output end of the driving motor two is fixedly connected with a stirring shaft, the stirring shaft is rotatably connected to the cleaning tank, the outside of the stirring shaft is fixedly connected with stirring blades, and the outside of the stirring blades is fixedly connected with cleaning brushes.

[0017] As preferred, the lower end of the cleaning tank is fixedly connected with a waste liquid pipe, and the outside of the waste liquid pipe is fixedly connected with a liquid discharge valve.

[0018] The utility model discloses the beneficial effect lies in:

[0019] 1. The utility model discloses a pretreatment assembly can cover the feeding port first, then opens the air pump and blows out the airflow to the pretreatment tank through the breather pipe and the blow nozzle, and the airflow can blow some lighter and smaller impurities in the waste plastics from right to left to the outside of the pretreatment tank, the filter screen one is used to filter some larger plastics, prevents being blown to the tank outside, thereby can pretreat the waste plastics and then wash, reduces the subsequent cleaning difficulty of waste plastics.

[0020] 2. The utility model discloses a recovery assembly, and the waste liquid produced in each round of cleaning can be taken out through the proper sample from the sampling pipe by opening the sampling valve before the waste liquid is recovered, and the acid-base degree of the sample is detected by using the acid-base degree detector or pH test paper, so that the waste liquid is recovered and reused when the acid-base degree of the waste liquid is appropriate. DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating the creative labor.

[0022] Figure 1 It is the whole structure schematic diagram of the utility model;

[0023] Figure 2 It is the recycling assembly structure schematic view of the utility model;

[0024] Figure 3 It is the filter split structure schematic view of the utility model;

[0025] Figure 4 It is the spraying nozzle structure schematic view of the utility model;

[0026] Figure 5 It is the bottom plate structure schematic view of the utility model;

[0027] Figure 6 It is the cleaning box bottom structure schematic view of the utility model;

[0028] Figure 7 It is the cleaning assembly local structure schematic view of the utility model.

[0029] In the drawing: 1, cleaning box; 2, pretreatment assembly; 201, pretreatment box; 202, air pump; 203, air pipe; 204, connecting plate; 205, spraying nozzle; 206, through slot; 207, filter screen one; 208, feed pipe; 209, drive motor one; 210, transmission shaft; 211, bottom plate; 3, recycling assembly; 301, recycling pipe; 302, tee joint; 303, sampling pipe; 304, sampling valve; 305, extraction pipe; 306, extraction valve; 307, cover plate; 308, filter; 309, filter screen three; 310, connecting rod; 311, filter screen two; 312, magnetic attraction net; 313, handle; 314, connecting pipe; 315, flange; 316, locking screw; 317, discharge pipe; 318, check valve; 319, spray head; 320, sealing cover; 321, liquid injection pipe; 322, water pump; 4, cleaning assembly; 401, drive motor two; 402, stirring shaft; 403, stirring blade; 404, cleaning brush; 405, waste liquid pipe; 406, liquid discharge valve. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] The following will be combined with the drawings in the embodiments of the utility model, Figures 1-7 The application will be further described in detail,

[0032] The embodiments of the application disclose a waste plastic re-cleaning device. Referring to Figures 1-7The utility model provides a kind of waste plastic re-cleaning device, including cleaning tank 1;The upper end of cleaning tank 1 is connected with pretreatment assembly 2, the lower end of cleaning tank 1 is connected with recovery assembly 3, the inside of cleaning tank 1 is connected with cleaning assembly 4;

[0033] Pretreatment assembly 2 includes pretreatment tank 201, the right end of pretreatment tank 201 is fixedly connected with air pump 202, the output of air pump 202 is fixedly communicated with air pipe 203, air pipe 203 extends to the inside of pretreatment tank 201 and is fixedly connected with pretreatment tank 201, the left end of air pipe 203 is fixedly communicated with connecting plate 204, the left end of connecting plate 204 is fixedly communicated with multiple spray nozzles 205, the left end of pretreatment tank 201 is provided with through slot 206, the inner wall of through slot 206 is fixedly connected with filter screen one 207;

[0034] By setting pretreatment assembly 2, the feed inlet can be covered first, then air pump 202 is opened to blow air flow to pretreatment tank 201 through air pipe 203 and spray nozzle 205, air flow can blow some lighter, smaller volume impurities in waste plastics from right to left to the outside of pretreatment tank 201, filter screen one 207 is used to filter some larger volume plastics, to prevent being blown to the outside of tank, so that waste plastics can be pretreated before cleaning, to reduce the cleaning difficulty of waste plastics subsequently.

[0035] Recovery assembly 3 includes recovery pipe 301, recovery pipe 301 is fixedly communicated at the lower end of cleaning tank 1, the right end of recovery pipe 301 is screwedly connected with tee joint 302, the lower end of tee joint 302 is screwedly connected with sampling pipe 303, the outside of sampling pipe 303 is fixedly connected with sampling valve 304.

[0036] By setting recovery assembly 3, waste liquid generated in each round of cleaning can be taken out by the mode of opening sampling valve 304 before being recycled, so that sampling pipe 303 takes out appropriate sample, and then the acidity and alkalinity of the sample are detected by using acidity and alkalinity detector or pH test paper, so as to recycle and reuse waste liquid when the acidity and alkalinity of waste liquid is appropriate.

[0037] Refer to Figures 1-3 The right end of tee joint 302 is screwedly connected with extraction pipe 305, the outside of extraction pipe 305 is fixedly connected with extraction valve 306, the right end of extraction pipe 305 is detachably connected with cover plate 307, the right end of cover plate 307 is screwedly connected with filter 308, the inner wall of filter 308 is screwedly connected with filter screen three 309, the left end of filter screen three 309 is fixedly connected with connecting rod 310, the inner side of connecting rod 310 is fixedly connected with filter screen two 311, the inner side of connecting rod 310 is fixedly connected with magnetic attraction net 312, the left end of magnetic attraction net 312 is fixedly connected with handle 313.

[0038] By setting the filter 308, the magnetic attraction net 312 first adsorbs the metal with magnetism contained in the recovered waste liquid onto the magnetic attraction net 312, and then the filter screen two 311 and the filter screen three 309 respectively perform step-by-step filtration on the impurities in the waste liquid. After the waste liquid is filtered, the water pump 322 extracts the waste liquid to the discharge pipe, and finally sprays it from the spray head 319, thereby cleaning the waste plastic again. The handle 313 is arranged to facilitate the screwing and taking out of the magnetic attraction net 312, the filter screen two 311 and the filter screen three 309 from the filter 308.

[0039] With reference to Figures 1-3 , the right end of the filter 308 is detachably connected with the connecting pipe 314. The outer part of the cover plate 307, the filter 308, the extraction pipe 305 and the connecting pipe 314 are fixedly connected with the flange 315. The outer part of the flange 315 is threadedly connected with the locking screw 316. The right end of the connecting pipe 314 is threadedly connected with the input end of the water pump 322.

[0040] By using the flange 315 and the locking screw 316, the cover plate 307 and the extraction pipe 305 can be conveniently installed and dismounted directly, and the filter 308 and the connecting pipe 314 can be conveniently installed and dismounted.

[0041] With reference to Figures 1-3 , the output end of the water pump 322 is threadedly connected with the discharge pipe 317. The discharge pipe 317 extends into the inside of the cleaning tank 1 and is movably connected with the cleaning tank 1. The outer part of the discharge pipe 317 is fixedly connected with the check valve 318. The distal end of the discharge pipe 317 is threadedly connected with the spray head 319.

[0042] By setting the check valve 318, when the cleaning liquid is added into the cleaning tank 1 by using the liquid injection pipe 321, the backflow of the cleaning liquid to the discharge pipe 317 can be prevented.

[0043] With reference to Figure 1 , the upper end of the cleaning tank 1 is threadedly connected with the sealing cover 320. The pretreatment tank 201 is fixedly connected at the upper end of the sealing cover 320. The upper end of the sealing cover 320 is fixedly connected with the liquid injection pipe 321.

[0044] With reference to Figure 1 , Figure 5 , Figure 6 , the upper end of the pretreatment tank 201 is fixedly connected with the feed pipe 208. The outer end of the pretreatment tank 201 is fixedly connected with the driving motor one 209. The output end of the driving motor one 209 is fixedly connected with the transmission shaft 210. The transmission shaft 210 is rotatably connected in the inside of the pretreatment tank 201. The outer part of the transmission shaft 210 is fixedly connected with the bottom plate 211. The bottom plate 211 is rotatably connected at the bottom of the pretreatment tank 201. The bottom plate 211 is adapted to the pretreatment tank 201.

[0045] By setting the bottom plate 211, after the pretreatment is completed, the drive motor one 209 drives the transmission shaft 210 and the bottom plate 211 to rotate, so that the bottom plate 211 can be inclined, and the waste plastics can slide from the bottom plate 211 to the cleaning tank 1 for cleaning.

[0046] With reference to Figure 1 , Figure 6 , Figure 7 The cleaning assembly 4 comprises a drive motor two 401 fixedly connected to the lower end of the cleaning tank 1, and the output end of the drive motor two 401 is fixedly connected with a stirring shaft 402, the stirring shaft 402 is rotatably connected with the cleaning tank 1, the outer portion of the stirring shaft 402 is fixedly connected with stirring blades 403, and the outer portion of the stirring blades 403 is fixedly connected with cleaning brushes 404.

[0047] By setting the cleaning assembly 4, after the cleaning liquid is injected, the drive motor two 401 drives the stirring shaft 402, the stirring blades 403 and the cleaning brushes 404 to rotate, so that the waste plastics can be fully cleaned and washed.

[0048] With reference to Figure 1 , Figure 6 The lower end of the cleaning tank 1 is fixedly connected with a waste liquid pipe 405, and the outer portion of the waste liquid pipe 405 is fixedly connected with a liquid discharge valve 406.

[0049] By setting the waste liquid pipe 405, the waste liquid with unsuitable pH value can be directly discharged from the waste liquid pipe 405 by opening the liquid discharge valve 406.

[0050] Working principle: first, add waste plastics into the pretreatment tank 201 through the feeding pipe 208, then cover the feeding port with a suitable plate, then open the air pump 202 to blow air flow into the pretreatment tank 201 through the air pipe 203 and the blowing nozzle 205, the air flow can blow some lighter and smaller impurities in the waste plastics from right to left to the outside of the pretreatment tank 201, and the filter screen one 207 is used to filter some larger plastics to prevent them from being blown out of the tank;

[0051] After the pretreatment is completed, the drive motor one 209 drives the transmission shaft 210 and the bottom plate 211 to rotate, so that the bottom plate 211 can be inclined, and the waste plastics can slide from the bottom plate 211 to the cleaning tank 1 for cleaning;

[0052] By adding the cleaning liquid into the cleaning tank 1 through the liquid injection pipe 321, the drive motor two 401 drives the stirring shaft 402, the stirring blades 403 and the cleaning brushes 404 to rotate, so that the waste plastics can be fully cleaned and washed;

[0053] The waste liquid produced by each round of cleaning can be taken out by opening the sampling valve 304, and the sampling tube 303 takes the appropriate sample, and the pH detector or pH test paper is used to detect the pH value of the sample, so as to recycle the waste liquid when the pH value is appropriate;

[0054] When the pH value is not appropriate, the waste liquid with inappropriate pH value can be directly discharged from the waste liquid pipe 405 by opening the waste liquid valve 406, and when the pH value is appropriate for recycling, the water pump 322 and the extraction valve 306 are opened, the water pump 322 extracts the waste liquid, the filter screen two 311 and the filter screen three 309 filter the impurities in the waste liquid step by step, and after the waste liquid is filtered, the waste liquid enters the discharge pipe 317, and finally is sprayed from the spray head 319, and the handle 313 is arranged to facilitate the magnetic screen 312, the filter screen two 311 and the filter screen three 309 to be screwed out of the filter 308.

[0055] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A waste plastic re-cleaning device, characterized by: Including the cleaning tank (1), the upper end of the cleaning tank (1) is connected with the pretreatment assembly (2), the lower end of the cleaning tank (1) is connected with the recovery assembly (3), the inside of the cleaning tank (1) is connected with the cleaning assembly (4); The pretreatment assembly (2) includes a pretreatment tank (201), the right end of the pretreatment tank (201) is fixedly connected with an air pump (202), the output end of the air pump (202) is fixedly communicated with an air pipe (203), the air pipe (203) extends to the inside of the pretreatment tank (201) and is fixedly connected with the pretreatment tank (201), the left end of the air pipe (203) is fixedly communicated with a connecting plate (204), the left end of the connecting plate (204) is fixedly communicated with a plurality of spray nozzles (205), the left end of the pretreatment tank (201) is provided with a through slot (206), and the inner wall of the through slot (206) is fixedly connected with a filter screen one (207). The recovery assembly (3) includes a recovery pipe (301), the recovery pipe (301) is fixedly communicated at the lower end of the cleaning tank (1), the right end of the recovery pipe (301) is threadedly connected with a three-way joint (302), the lower end of the three-way joint (302) is threadedly connected with a sampling pipe (303), and the outside of the sampling pipe (303) is fixedly connected with a sampling valve (304).

2. A waste plastic re-cleaning device according to claim 1, characterized in that: The right end of the three-way joint (302) is threadedly connected with a suction pipe (305), the outside of the suction pipe (305) is fixedly connected with a suction valve (306), the right end of the suction pipe (305) is detachably connected with a cover plate (307), the right end of the cover plate (307) is threadedly connected with a filter (308), the inner wall of the filter (308) is threadedly connected with a filter screen three (309), the left end of the filter screen three (309) is fixedly connected with a connecting rod (310), the inner side of the connecting rod (310) is fixedly connected with a filter screen two (311), the inner side of the connecting rod (310) is fixedly connected with a magnetic attraction screen (312), and the left end of the magnetic attraction screen (312) is fixedly connected with a handle (313).

3. A waste plastic re-cleaning device according to claim 2, characterized in that: The right end of the filter (308) is detachably connected with a connecting pipe (314), the outside of the cover plate (307), the filter (308), the suction pipe (305) and the connecting pipe (314) is fixedly connected with a flange (315), the outside of the flange (315) is threadedly connected with a locking screw (316), and the right end of the connecting pipe (314) is threadedly connected with the input end of a water pump (322).

4. A waste plastic re-cleaning device according to claim 3, characterized in that: The output end of the water pump (322) is threadedly connected with a discharge pipe (317), the discharge pipe (317) extends to the inside of the cleaning tank (1) and is movably connected with the cleaning tank (1), the outside of the discharge pipe (317) is fixedly connected with a check valve (318), and the tail end of the discharge pipe (317) is threadedly connected with a spray head (319).

5. The waste plastic re-cleaning device according to claim 1, characterized in that: The upper end of the cleaning tank (1) is threadedly connected with a sealing cover (320), the pretreatment tank (201) is fixedly connected to the upper end of the sealing cover (320), and the upper end of the sealing cover (320) is fixedly connected with a liquid injection pipe (321).

6. The waste plastic re-cleaning device according to claim 1, characterized in that: The upper end of the pretreatment tank (201) is fixedly connected with a feeding pipe (208), the outer end of the pretreatment tank (201) is fixedly connected with a driving motor (209), the output end of the driving motor (209) is fixedly connected with a transmission shaft (210), the transmission shaft (210) is rotatably connected to the inside of the pretreatment tank (201), the outside of the transmission shaft (210) is fixedly connected with a bottom plate (211), the bottom plate (211) is rotatably connected to the bottom of the pretreatment tank (201), and the bottom plate (211) is matched with the pretreatment tank (201).

7. The waste plastic re-cleaning device according to claim 1, characterized in that: The cleaning assembly (4) comprises a driving motor (401), the driving motor (401) is fixedly connected to the lower end of the cleaning tank (1), the output end of the driving motor (401) is fixedly connected with a stirring shaft (402), the stirring shaft (402) is rotatably connected with the cleaning tank (1), the outside of the stirring shaft (402) is fixedly connected with stirring blades (403), and the outside of the stirring blades (403) is fixedly connected with cleaning brushes (404).

8. The waste plastic re-cleaning device according to claim 1, characterized in that: The lower end of the cleaning tank (1) is fixedly connected with a waste liquid pipe (405), and the outside of the waste liquid pipe (405) is fixedly connected with a liquid discharge valve (406).

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