Coal screening and cleaning device

Abstract

The utility model discloses a coal screening and cleaning device which comprises a filter tank, the cleaning assembly is obliquely arranged above the filtering tank, the cleaning assembly comprises a metal water pipe rotationally arranged in the conveying pipe, a plurality of cleaning nozzles are fixedly connected to the outer side of the metal water pipe at equal intervals, and filtering blades are fixedly connected to the outer side of the metal water pipe and used for filtering and conveying coal; the screening device comprises a conveying pipe and a screening assembly, the screening assembly is arranged below the conveying pipe in a rotating mode, the screening assembly comprises a screening pipe communicated with a discharging port of the conveying pipe, the screening pipe is composed of a plurality of metal rods, and screening gaps are formed between the metal rods. The coal is fully rolled and cleaned in the conveying pipe, so that impurities are effectively removed; and meanwhile, the screening pipe enables small-particle coal to rapidly fall into the filter tank through gaps, and large-particle coal rolls out along the screening pipe, so that efficient screening is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal processing technical field, concretely is a coal screening and cleaning device. BACKGROUND

[0002] Impurities, especially ash, can reduce the combustion efficiency and calorific value of coal. After screening and cleaning to remove impurities, the purity and calorific value of coal can be significantly improved, thereby improving its combustion performance and achieving the purpose of energy saving and environmental protection.

[0003] The existing screening and cleaning are usually carried out separately and cannot be operated synchronously. In the existing cleaning process, the coal cannot be repeatedly stirred and washed, cannot be fully contacted with water, and cannot effectively improve the cleaning efficiency. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a coal screening and cleaning device to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a coal screening and cleaning device, comprising:

[0006] a filter tank;

[0007] a cleaning assembly, which is inclinedly arranged above the filter tank, the cleaning assembly comprising a metal water pipe rotatably arranged in the conveying pipe, a plurality of cleaning nozzles being equidistantly and fixedly connected to the outer side of the metal water pipe, a filter blade being fixedly connected to the outer side of the metal water pipe for filtering and conveying coal;

[0008] a screening assembly, which is rotatably arranged below the conveying pipe, the screening assembly comprising a screening pipe in communication with the discharge port of the conveying pipe, the screening pipe being composed of a plurality of metal rods, and a screening gap being arranged between the metal rods.

[0009] As a preferred, both ends of the top of the filter tank are fixedly connected with support plate one and support plate two, the conveying pipe is fixedly connected between the support plate one and the support plate two, and the top of the conveying pipe is provided with a feeding hopper.

[0010] As a preferred, the conveying pipe is provided with a filter hole at one end close to the support plate one, and a water guide plate is fixedly connected to one side of the support plate one and below the filter hole.

[0011] As a preferred, the top of the support plate two is fixedly connected with a motor one, the motor one is drivingly connected with the metal water pipe through a transmission belt assembly, and one end of the metal water pipe is connected with a high-pressure water source through a rotary joint.

[0012] As preferred, the middle part of the support plate two is rotationally connected with a driving pipe, the outer side of the driving pipe is fixedly connected with a large gear ring, the lower part of the large gear ring is meshingly connected with a small gear, and one side of the support plate two is fixedly connected with a motor two for driving the small gear.

[0013] As preferred, the screening pipe is fixedly connected in the middle part of the driving pipe and rotationally connected with the support plate one through a support ring.

[0014] As preferred, a filter plate is detachably installed in the inside of the filter tank, and a drain pipe is arranged in the inside of the filter tank and below the filter plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are that: through the rotating cleaning spray head and the filter blade, the coal in the conveying pipe is fully tumbled and cleaned, and impurities are effectively removed; meanwhile, the screening pipe enables small particle coal to quickly pass through the gap and fall into the filter tank, and large particles are rolled out along the screening pipe, realizing efficient screening; the through hole on the filter blade allows the cleaning water to be discharged in time during the cleaning process, avoiding waste of water resources; meanwhile, the filter plate in the filter tank further collects and filters water, ensuring clean drainage and meeting environmental protection requirements; through the rotation of the metal water pipe and the screening pipe driven by the motor, automatic cleaning and screening of the coal are realized; such automatic design not only improves work efficiency, but also reduces labor cost. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a structural schematic view of the small gear of the utility model;

[0018] Figure 3 It is a structural schematic view of the filter blade of the utility model;

[0019] Figure 4 It is a structural schematic view of the screening pipe of the utility model.

[0020] In the drawing: 1, filter tank; 2, filter plate; 3, support plate one; 4, conveying pipe; 5, feeding hopper; 6, motor one; 7, support plate two; 8, driving pipe; 9, motor two; 10, screening pipe; 11, metal rod; 12, large gear ring; 13, small gear; 14, filter hole; 15, water guide plate; 16, metal water pipe; 17, filter blade; 18, cleaning spray head. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0022] Please refer to Figure 1 、 2 , 3, 4, the utility model provides a technical scheme: a coal screening and cleaning device, it includes: filter tank 1, cleaning assembly is obliquely arranged above filter tank 1, and the cleaning assembly includes metal water pipe 16 that is rotatably installed in the inside of conveying pipe 4, a plurality of cleaning spray heads 18 are equidistantly fixed to the outside of metal water pipe 16, and the outside of metal water pipe 16 is fixedly connected with filter vane 17, for filtering and conveying coal, and screening assembly is rotatably arranged below conveying pipe 4, and the screening assembly includes screening pipe 10 that is communicated with the discharge port of conveying pipe 4, and screening pipe 10 is composed of a plurality of metal rods 11, and screening gaps are arranged between the metal rods 11.

[0023] It should be noted that the conveying mechanism of the utility model adds the coal needing cleaning from the feeding hopper 5 in the conveying pipe 4, metal water pipe 16 drives filter vane 17 and cleaning spray head 18 to rotate, high-pressure water is sprayed to the coal in the inside of conveying pipe 4 through metal water pipe 16 and cleaning spray head 18 for washing, during which, filter vane 17 obliquely upwardly conveys the coal, the middle part of filter vane 17 is provided with a plurality of through holes, water can obliquely downwardly move along the through holes, the coal is obliquely upwardly conveyed, and the cleaned coal enters screening pipe 10 through the discharge pipe of conveying pipe 4, under the rotating action of screening pipe 10, small particles fall into filter tank 1 through the gaps between the metal rods 11, and large particles are obliquely downwardly rolled out along screening pipe 10, so that cleaning and screening are realized.

[0024] Please refer to Figure 1 、 2 , 3, 4, the utility model provides a technical scheme: a coal screening and cleaning device, it includes: filter tank 1, cleaning assembly is obliquely arranged above filter tank 1, and the cleaning assembly includes metal water pipe 16 that is rotatably installed in the inside of conveying pipe 4, a plurality of cleaning spray heads 18 are equidistantly fixed to the outside of metal water pipe 16, and the outside of metal water pipe 16 is fixedly connected with filter vane 17, for filtering and conveying coal, and screening assembly is rotatably arranged below conveying pipe 4, and the screening assembly includes screening pipe 10 that is communicated with the discharge port of conveying pipe 4, and screening pipe 10 is composed of a plurality of metal rods 11, and screening gaps are arranged between the metal rods 11.

[0025] It should be noted that the conveying mechanism of the utility model adds the coal needing cleaning from the feeding hopper 5 in the conveying pipe 4, metal water pipe 16 drives filter vane 17 and cleaning spray head 18 to rotate, high-pressure water is sprayed to the coal in the inside of conveying pipe 4 through metal water pipe 16 and cleaning spray head 18 for washing, during which, filter vane 17 obliquely upwardly conveys the coal, the middle part of filter vane 17 is provided with a plurality of through holes, water can obliquely downwardly move along the through holes, the coal is obliquely upwardly conveyed, and the cleaned coal enters screening pipe 10 through the discharge pipe of conveying pipe 4, under the rotating action of screening pipe 10, small particles fall into filter tank 1 through the gaps between the metal rods 11, and large particles are obliquely downwardly rolled out along screening pipe 10, so that cleaning and screening are realized.

[0026] Please refer to Figure 3As shown, the filter hole 14 is arranged at one end of the conveying pipe 4 close to the support plate 1, the water guide plate 15 is fixedly connected to one side of the support plate 1 and below the filter hole 14, the motor 1 is fixedly connected to the top of the support plate 2, and the motor 1 is in transmission connection with the metal water pipe 16 through a transmission belt assembly.

[0027] It should be noted that the high-pressure water pump is connected with the rotary joint at the end of the metal water pipe 16, water is sent into the cleaning spray head 18 through the metal water pipe 16 and sprayed out, and the coal is washed, during which the motor 1 drives the metal water pipe 16 to rotate through the belt and the pulley, the metal water pipe 16 drives the filter blade 17 to convey the coal, and the water flows downward through the through hole of the filter blade 17 and flows out through the filter hole 14, and is guided to the corresponding processing position through the water guide plate 15.

[0028] As shown in Figure 1 , 2 , the driving pipe 8 is rotatably connected to the middle part of the support plate 2, the large gear ring 12 is fixedly connected to the outer side of the driving pipe 8, the small gear 13 is in meshing connection below the large gear ring 12, the motor 2 is fixedly connected to one side of the support plate 2 and used for driving the small gear 13, the screening pipe 10 is fixedly connected to the middle part of the driving pipe 8, and the screening pipe 10 is rotatably connected with the support plate 1 through a support ring.

[0029] It should be noted that the filter blade 17 conveys the cleaned coal in the conveying pipe 4 to the discharge pipe at one end and then into the screening pipe 10, the motor 2 drives the large gear ring 12 to rotate through the small gear 13, the large gear ring 12 drives the screening pipe 10 to rotate through the driving pipe 8, the screening pipe 10 is made of a plurality of metal rods 11 and arranged at uniform angles with the center of the driving pipe 8 as the center, and in the process of rotating the screening pipe 10, small particles fall through the gaps between the metal rods 11, and large particles roll downward along the metal rods 11 and are supported and collected.

[0030] As shown in Figure 1 , 2 , the filter plate 2 is detachably installed in the inside of the filter tank 1, and the drain pipe is arranged in the inside of the filter tank 1 and below the filter plate 2.

[0031] It should be noted that the coal screened by the screening pipe 10 falls into the top of the filter plate 2 and is subjected to water control treatment, the water enters the bottom of the filter tank 1 through the filter plate 2 and is discharged through the drain pipe at the bottom of the filter tank 1.

[0032] In the description of the utility model, need understanding is, the term "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and so on indicate the orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore cannot be understood as a restriction on the utility model.

[0033] In addition, the terms "first", "second", "third", "fourth" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features, therefore, the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly include at least one of the features.

[0034] In the utility model, unless otherwise expressly provided and limited, the terms "installation", "arrangement", "connection", "fixing", "screw connection" and so on should be understood broadly, for example, can be fixedly connected, can also be detachably connected, or integrated, can be mechanically connected, can also be electrically connected, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication or interaction relationship between two elements, unless otherwise expressly limited, for ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0035] Although the embodiments of the utility model have been shown and described, for ordinary skilled in the art, it can be understood that the embodiments can be changed, modified, replaced and changed in various ways without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and its equivalents.

Claims

1. A coal screening and cleaning apparatus, characterized by: Include: Filtering pool (1); Washing assembly, washing assembly is obliquely placed above the filtering pool (1), the washing assembly includes a metal water pipe (16) rotatingly placed in the conveying pipe (4), a plurality of cleaning nozzles (18) for cleaning and stirring are equidistantly fixed outside the metal water pipe (16), a filtering blade (17) is fixed outside the metal water pipe (16) for filtering and conveying coal; The screening assembly is rotatably arranged below the conveying pipe (4), the screening assembly includes a screening pipe (10) in communication with the discharge port of the conveying pipe (4), and the screening pipe (10) is composed of a plurality of metal rods (11) with screening gaps between the metal rods (11).

2. A coal screening and cleaning apparatus as claimed in claim 1, wherein: The top of the filtering pool (1) is fixed with support plate one (3) and support plate two (7) at both ends, the conveying pipe (4) is fixed between the support plate one (3) and the support plate two (7), and the top of the conveying pipe (4) is provided with a feeding hopper (5).

3. A coal screening and cleaning apparatus as claimed in claim 2, wherein: The conveying pipe (4) is provided with a filter hole (14) at one end close to the support plate one (3), and a water guide plate (15) is fixed on one side of the support plate one (3) below the filter hole (14).

4. The coal screening and cleaning apparatus of claim 2, wherein: The top of the support plate two (7) is fixedly connected with a motor one (6), the motor one (6) is drivingly connected with the metal water pipe (16) through a transmission belt assembly, and one end of the metal water pipe (16) is connected with a high-pressure water source through a rotary joint.

5. A coal screening and cleaning apparatus as claimed in claim 4, wherein: The middle of the support plate two (7) is rotatably connected with a drive pipe (8), the outer side of the drive pipe (8) is fixedly connected with a large gear ring (12), the lower side of the large gear ring (12) is meshingly connected with a small gear (13), and one side of the support plate two (7) is fixedly connected with a motor two (9) for driving the small gear (13).

6. A coal screening and cleaning apparatus as claimed in claim 5 wherein: The screening pipe (10) is fixed in the middle of the drive pipe (8), and the screening pipe (10) is rotatably connected with the support plate one (3) through a support ring.

7. A coal screening and cleaning apparatus as claimed in claim 1, wherein: The inside of the filtering pool (1) is detachably installed with a filter plate (2), and the inside of the filtering pool (1) below the filter plate (2) is provided with a drain pipe.

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