Fine sand screening and conveying mechanism

Abstract

According to the fine sand screening and conveying mechanism, a slurry pump and a cleaning box body are fixedly connected to a base, the top of the box body is connected with a screening device, a liquid inlet port of the slurry pump is communicated with the interior of the cleaning box body, an input port of a swirler is communicated with an output port of the slurry pump, the swirler is fixedly connected to the cleaning box body, and the swirler is fixedly connected to the cleaning box body. A discharging port of the cyclone aligns to the screening device, the metering bin is fixedly connected to the top of the supporting frame, the conveying mechanism is located in the middle of the supporting frame, a discharging part of the screening device aligns to a feeding port of the metering bin, a discharging port is formed in the bottom of the metering bin and aligns to a conveying part of the conveying mechanism, and the conveying mechanism is used for conveying fine sand into the lifting mechanism. The whole structure is simple, the manual link from fine sand screening to the drying link is replaced with the conveying mechanism and the lifting mechanism, and after the fine sand is injected into the screening device through the hydrocyclone, liquid is further filtered through a screen plate of the screening device.

Description

Technical Field

[0001] The utility model relates to the field of fine sand recovery equipment, in particular to a fine sand screening and conveying mechanism. Background Art

[0002] In the pulping industry, sand and gravel need to be cleaned, dehydrated and graded. There is usually a lot of fine sand in the liquid, which needs to be filtered and recovered. The use of fine sand recovery machines can effectively reduce the loss of fine sand and the stone powder content in the tail water, and solve the problem of high fineness modulus and low stone powder content in the artificial aggregate processing system. At the same time, excessive discharge of fine sand will also cause environmental pollution. In the market situation where the country advocates environmental protection and conservation, by recovering fine sand in the liquid, sustainable utilization of resources can be achieved and production costs can be reduced. The fine sand recovery machine currently used only performs simple filtration and separation on the fine sand. After the fine sand is separated, it is naturally dried or placed in a material box and transported to the feed inlet of the dryer for unloading. This method makes it impossible to measure and automate the process. In order to solve the above problems, a fine sand screening and conveying mechanism is needed. Utility Model Content

[0003] In view of the shortcomings of the prior art, the utility model proposes a fine sand screening and conveying mechanism, and the specific technical scheme is as follows:

[0004] A fine sand screening and conveying mechanism, characterized in that:

[0005] It comprises a base, on which a screening mechanism, a transfer mechanism and a lifting mechanism are arranged, and the transfer mechanism is located between the screening mechanism and the lifting mechanism;

[0006] The screening mechanism includes a cleaning box, a slurry pump, a cyclone and a vibrating screen device;

[0007] The slurry pump and the cleaning box are fixedly connected to the base, the top of the box is connected to a screening device, the liquid inlet port of the slurry pump is communicated with the inside of the cleaning box, the input port of the cyclone is communicated with the output port of the slurry pump, the cyclone is fixedly connected to the cleaning box, and the discharge port of the cyclone is aligned with the screening device;

[0008] The transfer mechanism includes a support frame, a metering bin and a conveying mechanism. The metering bin is fixedly connected to the top of the support frame, the conveying mechanism is located in the middle of the support frame, the discharge part of the screening device is aligned with the feed port of the metering bin, and a discharge port is provided at the bottom of the metering bin, which is aligned with the transmission part of the conveying mechanism. The conveying mechanism is used to transport fine sand into the lifting mechanism.

[0009] In order to better realize the utility model, it can be further:

[0010] The screening device comprises a vibrating screen, a screen plate and a vibrating motor;

[0011] The vibrating screen is fixedly connected to the cleaning box, a vibrating motor is connected to the vibrating screen, the vibrating motor is used to drive the vibrating screen to vibrate, the screen plate is connected to the bottom of the vibrating screen, a discharge plate is connected to the outer end of the vibrating screen, and the discharge plate is the discharge part of the screening device.

[0012] Furthermore: the sieve plate and the vibrating screen are detachably connected.

[0013] Furthermore: a support platform is fixedly connected to one side of the cleaning box, a shock-absorbing bracket is connected to the support platform, and the cyclone is fixedly connected to the shock-absorbing bracket.

[0014] Furthermore: the conveying mechanism adopts a belt conveying mechanism, and the belt conveying mechanism adopts a V-belt structure.

[0015] Furthermore: a lifting feed port is provided at the bottom of the lifting machine, a lifting discharge port is provided at the top of the lifting machine, the lifting discharge port is connected to the discharge pipe, a feed hopper is connected to the lifting feed port, the feed hopper is communicated with the lifting feed port, and the feed hopper is located directly below the tail of the transmission part.

[0016] Further:

[0017] The discharge port of the metering bin is provided with an electric control valve.

[0018] Furthermore: a weighing sensor and a speed sensor are arranged in the metering bin.

[0019] Furthermore: the support frame is composed of I-beam rods.

[0020] Furthermore: the blanking plate can adjust the angle relative to the vibrating screen.

[0021] The beneficial effects of the utility model are as follows: the overall structure is simple, and the manual process from screening the fine sand to the drying process is replaced by a conveying mechanism and a lifting mechanism. After the cyclone injects the fine sand into the screening device, the screen plate of the screening device further filters the liquid. By setting a metering bin, the data of the fine sand can be quantified. The fine sand enters the metering bin, and the weight sensor in the metering bin collects the weight data of the fine sand in the bin. When drying is required, the metering bin opens the electric valve at the bottom, and the fine sand is transported to the lower hopper through the transmission part of the conveying mechanism, and then lifted to the dryer through the lower hopper. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the first structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the second structure of the utility model;

[0024] Figure 3 This is a schematic diagram of the third structure of the utility model;

[0025] The accompanying drawings in the figure are as follows: base 1, cleaning box 2, support platform 3, shock-absorbing bracket 4, drive motor 5, slurry pump 6, cyclone 7, vibrating screen 8, sieve plate 9, discharge plate 10, vibration motor 11, support frame 12, reinforcing rib 13, metering bin 14, conveying mechanism 15, elevator 16, feed hopper 17, and discharge pipe 18. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the description of the present utility model, it should be noted that the terms "vertical", "upper", "lower", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present utility model. In addition, "first", "second", "third", and "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0028] like Figures 1 to 3 As shown:

[0029] A fine sand screening and conveying mechanism 15 comprises a base 1, on which a screening mechanism, a conveying mechanism 15 and a hoisting machine 16 are arranged, and the conveying mechanism 15 is located between the screening mechanism and the hoisting machine 16;

[0030] The screening mechanism includes a cleaning box 2, a slurry pump 6, a cyclone 7 and a vibrating screen 8. The conveying mechanism 15 adopts a belt conveying mechanism 15. The belt conveying mechanism 15 adopts a V-belt structure. The V-belt mechanism is used to prevent fine sand from sliding out from both sides.

[0031] The slurry pump 6 and the cleaning box 2 are fixedly connected to the base 1. The slurry pump 6 is powered by a driving motor 5. A screening device is connected to the top of the box. The liquid inlet port of the slurry pump 6 is communicated with the inside of the cleaning box 2. The input port of the cyclone 7 is communicated with the output port of the slurry pump 6. The cyclone 7 is fixedly connected to the cleaning box 2. Specifically, a support platform 3 is fixedly connected to one side of the cleaning box 2. A shock-absorbing bracket 4 is connected to the support platform 3. The cyclone 7 is fixedly connected to the shock-absorbing bracket 4. The discharge port of the cyclone 7 is aligned with the screening device, wherein the screening device includes a vibrating screen 8, a sieve plate 9 and a vibration motor 11. The vibrating screen 8 is fixedly connected to the cleaning box 2. The vibrating motor 11 is connected to the vibrating screen 8. The vibration motor 11 is used to drive the vibrating screen 8 to shake. The sieve plate 9 is connected to the bottom of the vibrating screen 8. The sieve plate 9 and the vibrating screen 8 are detachably connected. In order to facilitate the replacement of different types of screen plates 9 and subsequent maintenance, a blanking plate 10 is connected to the outer end of the vibrating screen 8 , and the blanking plate 10 is the discharge part of the screening device. The blanking plate 10 can adjust the angle relative to the vibrating screen 8 .

[0032] The transfer mechanism includes a support frame 12, a metering bin 14 and a conveying mechanism 15. The support frame 12 is made of I-beam rods. The metering bin 14 is fixedly connected to the top of the support frame 12, the conveying mechanism 15 is located in the middle of the support frame 12, and the discharge part of the screening device is aligned with the feed port of the metering bin 14. A weighing sensor and a speed sensor are arranged in the metering bin 14.

[0033] A discharge port is provided at the bottom of the metering bin 14 , and an electric-controlled valve is provided at the discharge port of the metering bin 14 .

[0034] The feed opening is aligned with the transmission part of the conveying mechanism 15, and the conveying mechanism 15 is used to convey the fine sand into the elevator 16. Specifically, the bottom of the elevator 16 is provided with a lifting feed opening, and the upper part of the elevator is provided with a lifting discharge opening, which is connected to the feed opening 18, and the feed hopper 17 is connected to the lifting feed opening, and the feed hopper 17 is connected to the lifting feed opening, and the feed hopper 17 is located directly below the tail of the transmission part.

[0035] The principle of the utility model is as follows: the driving motor 5 provides power to the slurry pump 6, and the slurry pump 6 extracts the sand-water mixture in the cleaning tank and pumps it into the cyclone 7. After the sand-water mixture enters the cyclone 7, the discharge port of the cyclone 7 sprays the separated fine sand onto the vibrating screen 8. The vibrating screen 8 is used to further dehydrate the fine sand recovered by the cyclone 7. The vibration motor 11 provides power to the vibrating screen 8. The fine sand enters the metering bin 14 from the unloading plate 10. When the metering bin 14 reaches the specified weight of fine sand, the metering bin 14 opens the electric valve, and the fine sand enters the conveying mechanism 15. The conveying part of the conveying mechanism 15 drives the fine sand to enter the elevator 16 through the feed hopper 17. The elevator 16 lifts the fine sand into the dryer for the next process.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0037] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A fine sand screening and conveying mechanism, characterized in that: It comprises a base, on which a screening mechanism, a transfer mechanism and a lifting mechanism are arranged, and the transfer mechanism is located between the screening mechanism and the lifting mechanism; The screening mechanism includes a cleaning box, a slurry pump, a cyclone and a vibrating screen device; The slurry pump and the cleaning box are fixedly connected to the base, the top of the box is connected to a screening device, the liquid inlet port of the slurry pump is communicated with the inside of the cleaning box, the input port of the cyclone is communicated with the output port of the slurry pump, the cyclone is fixedly connected to the cleaning box, and the discharge port of the cyclone is aligned with the screening device; The transfer mechanism includes a support frame, a metering bin and a conveying mechanism. The metering bin is fixedly connected to the top of the support frame, the conveying mechanism is located in the middle of the support frame, the discharge part of the screening device is aligned with the feed port of the metering bin, and a discharge port is provided at the bottom of the metering bin, which is aligned with the transmission part of the conveying mechanism. The conveying mechanism is used to transport fine sand into the lifting mechanism.

2. A fine sand screening and conveying mechanism according to claim 1, characterized in that: The screening device comprises a vibrating screen, a screen plate and a vibrating motor; The vibrating screen is fixedly connected to the cleaning box, a vibrating motor is connected to the vibrating screen, the vibrating motor is used to drive the vibrating screen to vibrate, the screen plate is connected to the bottom of the vibrating screen, a discharge plate is connected to the outer end of the vibrating screen, and the discharge plate is the discharge part of the screening device.

3. A fine sand screening and conveying mechanism according to claim 2, characterized in that: The sieve plate is detachably connected to the vibrating screen.

4. A fine sand screening and conveying mechanism according to claim 3, characterized in that: A support platform is fixedly connected to one side of the cleaning box, a shock-absorbing bracket is connected to the support platform, and the cyclone is fixedly connected to the shock-absorbing bracket.

5. A fine sand screening and conveying mechanism according to claim 4, characterized in that: The conveying mechanism adopts a belt conveying mechanism, and the belt conveying mechanism adopts a V-belt structure.

6. A fine sand screening and conveying mechanism according to claim 5, characterized in that: A lifting feed port is arranged at the bottom of the lifting machine, a lifting discharge port is arranged at the top of the lifting machine, the lifting discharge port is connected to the discharge pipe, a feed hopper is connected to the lifting feed port, the feed hopper is communicated with the lifting feed port, and the feed hopper is located directly below the tail of the transmission part.

7. A fine sand screening and conveying mechanism according to claim 6, characterized in that: The discharge port of the metering bin is provided with an electric control valve.

8. A fine sand screening and conveying mechanism according to claim 7, characterized in that: A weighing sensor and a speed sensor are arranged in the metering bin.

9. A fine sand screening and conveying mechanism according to claim 8, characterized in that: The support frame is formed by I-beam rods.

10. A fine sand screening and conveying mechanism according to claim 9, characterized in that: The blanking plate can adjust an angle relative to the vibrating screen.

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