Impurity removal device

Abstract

The utility model discloses an impurity removal device, and relates to the technical field of recycled concrete impurity removal, the impurity removal device comprises a box body, a winnowing mechanism is arranged at the upper end of the box body, the winnowing mechanism comprises a winnowing box, the winnowing box is fixedly connected to the upper end of the box body, the upper end of the winnowing box is fixedly connected with a feeding baffle plate, and the feeding baffle plate is fixedly connected with the box body. An air outlet barrel is arranged on the side face of the winnowing box, a powerful fan is fixedly connected into the air outlet barrel, a light impurity collecting box is fixed to the side face, opposite to the air outlet barrel, of the winnowing box, and a magnetic separation component is arranged at the lower end of the winnowing box. Light impurities such as leaves are effectively removed through the winnowing mechanism, the impurity removal effect is good, scrap iron and reinforcing steel bars mixed in concrete are sorted and collected through the magnetic separation component, and recycled concrete aggregate is classified and screened through the screening module.

Description

Technical Field

[0001] The utility model relates to the technical field of regenerated concrete impurity removal, in particular to an impurity removal device. Background Art

[0002] Aggregates prepared from waste concrete are called recycled concrete aggregates. During the social production process, they need to be crushed, cleaned, and screened, and then mixed with grading in a certain proportion to partially or completely replace natural aggregates such as sand and gravel (mainly coarse aggregates), and then added with cement, water, etc. to make new concrete.

[0003] For example, a prior art Chinese utility model patent (CN207385924U) discloses a device for screening and removing impurities from recycled concrete aggregate, comprising a main body, a first screen and a second screen being installed in an inclined and sliding manner in an inner cavity of the main body, a feed port being provided on one side of the top of the main body, a screening motor being fixedly installed on the outer wall of the main body, the screening motor being rotatably connected to a driving wheel, the driving wheel being connected to a driven wheel via a transmission belt, a first slider being fixedly installed on the frame of the first screen, a second slider being fixedly installed on the frame of the second screen, a first connecting rod being provided between the driven wheel and the first slider, and a second connecting rod being provided between the second slider and the driven wheel. This utility model has a simple structure, an ingenious design, and can perform multi-stage screening of recycled aggregate, with high practicality.

[0004] However, the existing technology has the following defects: the device can only perform simple sieve screening on the recycled aggregate, and cannot effectively remove some debris such as iron filings, steel bars and leaves, which mix into the recycled concrete and affect the quality.

[0005] Based on this, a de-impurity device is now provided to eliminate the drawbacks of the existing device. Utility Model Content

[0006] The purpose of the utility model is to provide a device for removing impurities to solve the problems in the background technology.

[0007] To achieve the above objectives, the present invention provides the following technical solutions:

[0008] A de-impurity device comprises: a box body, an air separation mechanism is provided at the upper end of the box body, the air separation mechanism comprises an air separation box, the air separation box is fixedly connected to the upper end of the box body, the upper end of the air separation box is fixedly connected to a feed baffle, an air outlet is provided on the side of the air separation box, a powerful fan is fixedly connected in the air outlet, a light impurity collection box is fixed on the side of the air separation box opposite to the air outlet, and a magnetic separation component is provided at the lower end of the air separation box.

[0009] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0010] In an optional solution: the magnetic separation component includes two rotating shafts, the two rotating shafts are rotatably connected to the box body, the rotating shafts are externally connected to conveyor belt 1, a plurality of electromagnets are fixed on the outer end of conveyor belt 1, the electromagnets are externally fixedly connected to conveyor belt 2, the same end of the two rotating shafts is fixedly connected to a pulley, the pulley is externally connected to belt 1 in a rolling manner, the pulley is connected to the output shaft of the transmission motor through belt 2, and the transmission motor is fixedly connected to the box body.

[0011] In an optional scheme: a screening module is provided at the lower end of the conveyor belt 2, and the screening module includes a screening plate and a conveying plate, and the screening plate and the conveying plate are fixed on the screening bracket, and the lower end of the screening bracket is fixedly connected to the fixing plate, and the upper end of the fixing plate is fixedly connected to the vibration motor, and the lower end of the fixing plate is fixedly connected to four fixing plates, and the lower ends of the four fixing plates are fixedly connected to one end of the vibration spring, and the other end of the vibration spring is fixedly connected to the upper end of the mounting seat, and the mounting seat is fixedly connected to the upper end of the inner side of the box body, and a telescopic rod is fixedly connected between the fixing plate and the mounting seat.

[0012] In an optional solution, the screening plate is located at the upper end of the conveying plate.

[0013] In an optional solution: the second conveyor belt is set at an angle, and an iron chip collection box is provided at the upper end of the second conveyor belt. The upper end of the iron chip collection box is fixedly connected to a scraper, and the upper end of the scraper is in contact with the second conveyor belt.

[0014] In an optional solution: the lower end of the box is fixedly connected to the supporting legs.

[0015] In an optional solution, the discharge ends of the screening plate and the conveying plate are respectively provided with recycled concrete aggregate collection boxes.

[0016] In an optional solution, the four fixing plates are evenly arranged at the lower end of the fixing plate.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0018] The utility model first effectively removes lighter debris such as leaves through the air separation mechanism, with good impurity removal effect, and then sorts and collects iron filings and steel bars mixed in the concrete through the magnetic separation component, and graded screens the recycled concrete aggregate through the screening module. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the present utility model.

[0020] Figure 2 It is a rear view of the present invention.

[0021] Figure 3It is a cross-sectional view of the utility model.

[0022] Figure 4 It is a partial enlarged view of point A of the present utility model.

[0023] Figure 5 It is a partial enlarged view of the screening module of the present invention.

[0024] Notes on the accompanying drawings: 100, box body, 201, air separation box, 202, feed baffle, 203, air outlet duct, 204, powerful fan, 205, light impurity collection box, 301, rotating shaft, 302, conveyor belt one, 303, electromagnet, 304, conveyor belt two, 305, pulley, 306, belt one, 307, belt two, 308, transmission motor, 401, screening plate, 402, conveyor plate, 403, screening bracket, 404, fixing plate, 405, vibration motor, 406, fixing plate, 407, vibration spring, 408, mounting seat, 409, telescopic rod, 501, iron filings collection box, 502, scraper, 600, supporting foot, 700, recycled concrete aggregate collection box. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0026] In one embodiment, Figure 1-Figure 5 As shown, a de-impurity device comprises: a box body 100, an air separation mechanism is provided at the upper end of the box body 100, the air separation mechanism comprises an air separation box 201, the air separation box 201 is fixedly connected to the upper end of the box body 100, the upper end of the air separation box 201 is fixedly connected to the feed baffle 202, an air outlet 203 is provided on the side of the air separation box 201, a powerful fan 204 is fixedly connected in the air outlet 203, a light impurity collection box 205 is fixed on the side of the air separation box 201 opposite to the air outlet 203, a magnetic separation component is provided at the lower end of the air separation box 201, waste concrete is put into the air separation box 201 from above, and the powerful fan 204 in the air outlet 203 blows lighter debris such as leaves into the light impurity collection box 205, and the feed baffle 202 prevents the waste concrete from falling into the air outlet 203 and the light impurity collection box 205.

[0027] In this embodiment, if Figure 2 and Figure 4As shown, the magnetic separation component includes two rotating shafts 301, and the two rotating shafts 301 are rotatably connected to the box body 100. The rotating shafts 301 are externally connected to the conveyor belt 1 302. A plurality of electromagnets 303 are fixed on the outer end of the conveyor belt 1 302. The electromagnets 303 are externally fixedly connected to the conveyor belt 2 304. The same end of the two rotating shafts 301 is fixedly connected to a pulley 305. The pulley 305 is externally connected to the belt 1 306 for rolling. The pulley 305 is connected to the output shaft of the transmission motor 308 through the belt 2 307. The transmission motor 308 is fixedly connected to the box body 100. The concrete in the air separation box 201 falls onto the conveyor belt 2 304. The electromagnet 303 absorbs the mixed iron filings and steel bars therein. The transmission motor 308 drives the rotating shaft 301 to rotate, and transports the iron filings and steel bars upward. The concrete moves downward due to its own gravity, and the iron filings, steel bars and concrete are separated.

[0028] In one embodiment, Figure 5 As shown, a screening module is provided at the lower end of the conveyor belt 2 304, and the screening module includes a screening plate 401 and a conveying plate 402, and the screening plate 401 and the conveying plate 402 are fixed on the screening bracket 403, and the lower end of the screening bracket 403 is fixedly connected to the fixing plate 404, and the upper end of the fixing plate 404 is fixedly connected to the vibration motor 405, and the lower end of the fixing plate 404 is fixedly connected to four fixing plates 406, and the lower ends of the four fixing plates 406 are fixedly connected to one end of the vibration spring 407, and the other end of the vibration spring 407 is fixedly connected to the upper end of the mounting seat 408, and a telescopic rod 409 is fixedly connected between the fixing plate 406 and the mounting seat 408, and the mounting seat 408 is fixedly connected to the upper end of the inner side of the box body 100. The concrete on the conveyor belt 2 304 falls onto the screening plate 401, and the vibration motor 405 is started, and in conjunction with the vibration spring 407, the screening plate 401 and the conveying plate 402 vibrate to screen the recycled concrete aggregate.

[0029] In one embodiment, Figure 3 and Figure 5 As shown, the screening plate 401 is located at the upper end of the conveying plate 402, and the concrete aggregates smaller than the holes of the screening plate 401 fall onto the conveying plate 402, thereby completing the screening of the recycled concrete aggregates.

[0030] In one embodiment, Figure 3As shown, the conveyor belt 2 304 is tilted, and an iron chip collecting box 501 is provided at one end of the upper side of the conveyor belt 2 304. The upper end of the iron chip collecting box 501 is fixedly connected to the scraper 502, and the upper end of the scraper 502 is in contact with the conveyor belt 2 304. The electromagnet 303 absorbs the mixed iron chips and steel bars, and transports the iron chips and steel bars upward. The iron chips and steel bars are scraped off by the scraper 502 and fall into the iron chip collecting box 501.

[0031] In one embodiment, Figure 1 As shown, the lower end of the box body 100 is fixedly connected to the supporting legs 600 to support the box body 100 and ensure the stability of the box body 100.

[0032] In one embodiment, Figure 5 As shown, the discharge ends of the screening plate 401 and the conveying plate 402 are respectively provided with recycled concrete aggregate collecting boxes 700 to collect the screened recycled concrete aggregates.

[0033] In one embodiment, Figure 1 As shown, the four fixing plates 406 are evenly arranged at the lower end of the fixing plate 404 to maintain the stability of the fixing plate 404 .

[0034] The above embodiment discloses a debris removal device, in which waste concrete is placed from above the air separation box 201, and the powerful fan 204 in the air outlet 203 blows lighter debris such as leaves into the light impurity collection box 205. The feed baffle 202 prevents the waste concrete from falling into the air outlet 203 and the light impurity collection box 205. The concrete in the air separation box 201 falls onto the second conveyor belt 304, and the electromagnet 303 absorbs the mixed iron filings and steel bars. The transmission motor 308 drives the rotating shaft 301 to rotate, transporting the iron filings and steel bars upward, and the scraper 502 scrapes the iron filings and steel bars and drops them into the iron filing collection box 501. Due to its own gravity, the concrete moves downward, and the iron filings and steel bars are separated from the concrete. The concrete on the second conveyor belt 304 falls onto the screening plate 401, and the vibration motor 405 is started, and in conjunction with the vibration spring 407, the screening plate 401 and the conveying plate 402 vibrate to screen the recycled concrete aggregate.

[0035] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A device for removing impurities, comprising: A box body (100) is provided with an air separation mechanism at the upper end of the box body (100), and is characterized in that the air separation mechanism includes an air separation box (201), the air separation box (201) is fixedly connected to the upper end of the box body (100), the upper end of the air separation box (201) is fixedly connected to a feed baffle (202), an air outlet duct (203) is provided on the side of the air separation box (201), a powerful fan (204) is fixedly connected in the air outlet duct (203), a light impurity collection box (205) is fixed on the side of the air separation box (201) opposite to the air outlet duct (203), and a magnetic separation component is provided at the lower end of the air separation box (201).

2. The impurity removal device according to claim 1, characterized in that: The magnetic separation component comprises two rotating shafts (301), the two rotating shafts (301) are rotatably connected to the housing (100), the rotating shafts (301) are externally connected to a conveyor belt (302), a plurality of electromagnets (303) are fixed to the outer end of the conveyor belt (302), the electromagnets (303) are externally fixedly connected to a conveyor belt (304), the same end of the two rotating shafts (301) is fixedly connected to a pulley (305), the pulley (305) is externally connected to a belt (306) in a rolling manner, the pulley (305) is connected to the output shaft of a transmission motor (308) via a belt (307), and the transmission motor (308) is fixedly connected to the housing (100).

3. The impurity removal device according to claim 2, characterized in that: The lower end of the conveyor belt 2 (304) is provided with a screening module, the screening module includes a screening plate (401) and a conveying plate (402), the screening plate (401) and the conveying plate (402) are fixed on a screening bracket (403), the lower end of the screening bracket (403) is fixedly connected to a fixing plate (404), the upper end of the fixing plate (404) is fixedly connected to a vibration motor (405), the lower end of the fixing plate (404) is fixedly connected to four fixing plates (406), the lower ends of the four fixing plates (406) are fixedly connected to one end of a vibration spring (407), the other end of the vibration spring (407) is fixedly connected to the upper end of a mounting seat (408), the mounting seat (408) is fixedly connected to the upper end of the inner side of the box body (100), and a telescopic rod (409) is fixedly connected between the fixing plate (406) and the mounting seat (408).

4. The impurity removal device according to claim 3, characterized in that: The screening plate (401) is located at the upper end of the conveying plate (402).

5. The impurity removal device according to claim 2, characterized in that: The second conveyor belt (304) is tilted, and an iron scrap collection box (501) is provided at one end of the upper side of the second conveyor belt (304). The upper end of the iron scrap collection box (501) is fixedly connected to a scraper (502), and the upper end of the scraper (502) is in contact with the second conveyor belt (304).

6. The impurity removal device according to claim 1, characterized in that: The lower end of the box body (100) is fixedly connected to the supporting leg (600).

7. The impurity removal device according to claim 3, characterized in that: The discharge ends of the screening plate (401) and the conveying plate (402) are respectively provided with recycled concrete aggregate collecting boxes (700).

8. The impurity removal device according to claim 3, characterized in that: The four fixing plates (406) are evenly arranged at the lower end of the fixing plate (404).

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