Coal drying and grading feeding system

Abstract

The invention relates to the technical field of coal drying equipment, in particular to a coal drying and grading feeding system. Comprising a drying box, a plurality of supporting plates, an air collecting pipe, a plurality of sets of material pushing pieces, a plurality of sets of blocking pieces, an air heater, an air supply pipe and a plurality of sets of feeding assemblies, the drying box is provided with a plurality of discharging ports, each feeding assembly comprises a feeding hopper, a feeding pipe, a movable plate, a torsional spring, a weight sensor, a stop block and a moving piece, and the feeding pipes are fixedly connected with the drying box and penetrate through the drying box; the feeding hopper is connected with the feeding pipe and located above the feeding pipe, the movable plate is rotationally arranged in the feeding hopper, the two ends of the torsional spring are fixedly connected with the feeding hopper and the movable plate respectively, the weight sensor is fixedly arranged above the movable plate, the check block is movably connected with the drying box and matched with the groove, and the moving part is arranged on the outer side of the drying box. Through the arrangement of the structure, coal can be dried in a grading mode, the coal is evenly dried, and the drying effect is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of coal drying equipment, and in particular to a coal drying and grading feeding system. Background Art

[0002] As we all know, coal, abbreviated as coal, is the remains of ancient plants buried under the strata. It is a carbonized fossil mineral produced under the pressure and temperature conditions of the earth's crust that isolates the air. It is mainly mined by humans as fuel. Coal contains a certain amount of water, which is not conducive to subsequent use. Therefore, coal needs to be dried during the processing process to facilitate subsequent transportation and use.

[0003] Existing coal drying devices generally dry the coal by heating it in a dryer. When the dryer is drying, the coal needs to be piled together for drying.

[0004] However, the existing coal is piled up in the dryer for uniform drying, and the coal inside is of different sizes, resulting in poor drying effect and uneven coal drying. Summary of the invention

[0005] The purpose of the present invention is to provide a coal drying and grading feeding system, aiming to solve the technical problem that the existing coal is piled up and dried uniformly in the dryer, the coal inside is of different sizes, resulting in poor drying effect and uneven coal drying.

[0006] To achieve the above-mentioned purpose, the present invention adopts a coal drying and grading feeding system, comprising a drying box, a plurality of support plates, an air collecting pipe, a plurality of groups of pushers, a plurality of groups of blocking members, a hot air blower, an air supply pipe and a plurality of groups of feeding components, the drying box having a plurality of discharge ports, the hot air blower being fixedly arranged on the outer side wall of the drying box, the air collecting pipe being connected to the drying box and being located on the outer side of the drying box, the two ends of the air supply pipe being respectively connected to the hot air blower and the air collecting pipe, the drying box having a plurality of mounting slots, each of which is provided with the blocking member, a plurality of the support plates being fixedly arranged in the drying box, a plurality of the pushers being fixedly connected to the drying box, and a plurality of the feeding components being connected to the drying box;

[0007] The feeding assembly includes a feeding hopper, a feeding pipe, a movable plate, a torsion spring, a weight sensor, a block and a moving part. The feeding pipe is fixedly connected to the drying box and passes through the drying box. The feeding hopper is connected to the feeding pipe and is located above the feeding pipe. The movable plate is rotatably arranged in the feeding hopper. The two ends of the torsion spring are respectively fixedly connected to the feeding hopper and the movable plate. The weight sensor is fixedly arranged above the movable plate. The feeding hopper has a groove. The block is movably connected to the drying box and is adapted to the groove. The moving part is arranged on the outside of the drying box and connected to the block.

[0008] Wherein, the feeding assembly also includes a return spring, and two ends of the return spring are fixedly connected to the feeding hopper and the movable plate respectively.

[0009] Wherein, the movable part includes a fixed plate and a cylinder, the fixed plate is fixedly connected to the drying box and is located on the outer wall of the drying box, the cylinder is fixedly arranged above the fixed plate, the output end of the cylinder is fixedly connected to the stopper and movably passes through the groove.

[0010] Wherein, the blocking member includes a first electric telescopic rod and a blocking plate, the first electric telescopic rod is fixedly connected to the drying box and is located in the mounting groove, and the blocking plate is fixedly connected to the first electric telescopic rod and is located in the mounting groove.

[0011] Wherein, the movable part includes a second electric telescopic rod and a push plate, the second electric telescopic rod is fixedly connected to the drying box and is located on the inner wall of the drying box, and the push plate is connected to the output end of the second electric telescopic rod and is located above the push plate.

[0012] The coal drying and grading feeding system further includes a plurality of dust-proof nets, and the plurality of dust-proof nets are fixedly connected to the air collecting pipe and are respectively located in the air collecting pipe.

[0013] Among them, the coal drying and grading feeding system also includes a display panel and multiple temperature sensors. The display panel is fixedly connected to the drying box and is located on the outer wall of the drying box. The multiple temperature sensors are fixedly connected to the drying box and are located on the inner wall of the drying box. The multiple temperature sensors are electrically connected to the display panel.

[0014] The present invention provides a coal drying and grading feeding system, wherein the drying box is divided into three cavities by the support plate, and coal of different sizes is placed on top of each support plate, namely, coarse-grained coal, medium-grained coal, and fine-grained coal from top to bottom. The hot air blower is first started, and the hot air blower sends hot air into the air collecting pipe through the air supply pipe. The three air outlets of the air collecting pipe supply air for heating the three cavities. Before drying the coal, the target drying amount of the coal in each feed hopper is set in the system background, and then the staff adds coal to the three feed hoppers in turn. The coal falls on the movable plate, and the weight sensor weighs the coal to monitor the weight of the coal on the movable plate in real time. When the coal After reaching the target weight, the stopper is positioned in the groove of the feed hopper by utilizing the movable part. At this time, due to the effect of gravity, the movable plate rotates downward in the feed hopper, and the torsion spring is squeezed and compressed by the movable plate. The coal will fall above the support plate through the feed pipe. After the delivery is completed, the torsion spring resumes its stretching and drives the movable plate to reset in the drying box. Subsequently, the coal on each support plate is dried. After the coal is dried, the sealing part is started to open the discharge port, and the pushing part is used to push the coal out of the discharge port. Through the above method, it is possible to dry the coal in stages, dry the coal evenly, and greatly improve the drying effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a structural schematic diagram of the coal drying and grading feeding system of the present invention.

[0017] Figure 2 It is a structural front view of the coal drying and grading feeding system of the present invention.

[0018] Figure 3 It is a structural side view of the coal drying and grading feeding system of the present invention.

[0019] Figure 4 It is a structural rear view of the coal drying and grading feeding system of the present invention.

[0020] Figure 5 The present invention Figure 3 AA line structural section view.

[0021] Figure 6 The present invention Figure 4 BB line structural cross-sectional view.

[0022] Figure 7 It is a structural schematic diagram of the coal drying and grading feeding system of the present invention.

[0023] 101-drying box, 102-air collecting pipe, 103-support plate, 104-hot air blower, 105-air supply pipe, 106-installation groove, 107-discharge port, 108-feed hopper, 109-feed pipe, 110-movable plate, 111-torsion spring, 112-weight sensor, 113-block, 114-groove, 115-reset spring, 116-dustproof net, 117-fixed plate, 118-cylinder, 119-first electric telescopic rod, 120-blocking plate, 121-second electric telescopic rod, 122-push plate, 123-display panel, 124-temperature sensor, 125-base, 126-hydraulic cylinder, 127-lifting plate, 128-moving wheel. DETAILED DESCRIPTION

[0024] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0025] See also Figure 1 to Figure 7 The present invention provides a coal drying and grading feeding system, comprising a drying box 101, a plurality of support plates 103, an air collecting pipe 102, a plurality of pushers, a plurality of blocking members, a hot air blower 104, an air supply pipe 105 and a plurality of feeding components, wherein the drying box 101 has a plurality of discharge ports 107, the hot air blower 104 is fixedly arranged on the outer wall of the drying box 101, the air collecting pipe 102 is connected to the drying box 101 and is located on the outer side of the drying box 101, the two ends of the air supply pipe 105 are respectively connected to the hot air blower 104 and the air collecting pipe 102, the drying box 101 has a plurality of mounting grooves 106, each of the mounting grooves 106 is provided with the blocking member, a plurality of support plates 103 are fixedly arranged in the drying box 101, a plurality of pushers are fixedly connected to the drying box 101, and a plurality of feeding components are connected to the drying box 101;

[0026] The feeding assembly includes a feeding hopper 108, a feeding pipe 109, a movable plate 110, a torsion spring 111, a weight sensor 112, a stopper 113 and a moving part. The feeding pipe 109 is fixedly connected to the drying box 101 and passes through the drying box 101. The feeding hopper 108 is connected to the feeding pipe 109 and is located above the feeding pipe 109. The movable plate 110 is rotatably arranged in the feeding hopper 108. The two ends of the torsion spring 111 are respectively fixedly connected to the feeding hopper 108 and the movable plate 110. The weight sensor 112 is fixedly arranged above the movable plate 110. The feeding hopper 108 has a groove 114. The stopper 113 is movably connected to the drying box 101 and is adapted to the groove 114. The moving part is arranged on the outside of the drying box 101 and is connected to the stopper 113.

[0027] In this embodiment, the drying box 101 is divided into three cavities by the support plate 103, and coal of different sizes is placed on each support plate 103, which are coarse-grained coal, medium-grained coal, and fine-grained coal from top to bottom. The hot air blower 104 is started first, and the hot air blower 104 sends hot air into the air collecting pipe 102 through the air supply pipe 105. The three air outlets of the air collecting pipe 102 supply air for heating the three cavities. Before drying the coal, the target drying amount of the coal in each feed hopper 108 is set in the system background, and then the staff adds coal to the three feed hoppers 108 in turn. The coal will fall on the movable plate 110, and the weight sensor 112 will weigh the coal to monitor the weight of the coal on the movable plate 110 in real time. When the coal reaches the target weight , the moving part is used to position the stopper 113 in the groove 114 of the feed hopper 108. At this time, due to the effect of gravity, the movable plate 110 rotates downward in the feed hopper 108, and the torsion spring 111 is squeezed and compressed by the movable plate 110. The coal will fall above the support plate 103 through the feed pipe 109. After the feeding is completed, the torsion spring 111 resumes its stretching and drives the movable plate 110 to reset in the drying box 101. Then, the coal on each support plate 103 is dried. After the coal is dried, the blocking part is started to open the discharge port 107, and the pushing part is used to push the coal out of the discharge port 107. Through the above method, it is possible to achieve graded drying of the coal, even drying of the coal, and greatly improved drying effect.

[0028] Furthermore, the feed assembly also includes a return spring 115 , and two ends of the return spring 115 are fixedly connected to the feed hopper 108 and the movable plate 110 , respectively.

[0029] In this embodiment, by providing the return spring 115, the return spring 115 will expand and contract as the movable plate 110 rotates, thereby increasing the return effect of the movable plate 110, so that the movable plate 110 can be quickly returned to its original position after the coal is dumped.

[0030] Furthermore, the movable part includes a fixed plate 117 and a cylinder 118, the fixed plate 117 is fixedly connected to the drying box 101 and is located on the outer wall of the drying box 101, the cylinder 118 is fixedly arranged above the fixed plate 117, and the output end of the cylinder 118 is fixedly connected to the stopper 113 and movably passes through the groove 114.

[0031] In this embodiment, the fixed plate 117 is fixed on the outside of the drying box 101, and the cylinder 118 is installed above the fixed plate 117. The cylinder 118 is used to extend and retract to drive the stopper 113 to move. When the coal on the movable plate 110 reaches a set weight, the output end of the cylinder 118 drives the stopper 113 to move into the groove 114.

[0032] Furthermore, the blocking part includes a first electric telescopic rod 119 and a blocking plate 120, the first electric telescopic rod 119 is fixedly connected to the drying box 101 and is located in the mounting groove 106, and the blocking plate 120 is fixedly connected to the first electric telescopic rod 119 and is located in the mounting groove 106; the moving part includes a second electric telescopic rod 121 and a push plate 122, the second electric telescopic rod 121 is fixedly connected to the drying box 101 and is located on the inner wall of the drying box 101, and the push plate 122 is connected to the output end of the second electric telescopic rod 121 and is located above the push plate 122.

[0033] In this embodiment, after the coal is dried on the support plate 103, the output end of the second electric telescopic rod 121 is started to drive the push plate 122 to move horizontally on the support plate 103, and the coal will be pushed toward the discharge port 107 by the push plate 122. At the same time, the first electric telescopic rod 119 in the installation groove 106 is started, and the first electric telescopic rod 119 drives the blocking plate 120 to enter the installation groove 106, and then the push plate 122 pushes the dried coal out of the discharge port 107.

[0034] Furthermore, the coal drying and grading feeding system further includes a plurality of dust-proof nets 116 , and the plurality of dust-proof nets 116 are all fixedly connected to the air collecting pipe 102 and are respectively located in the air collecting pipe 102 .

[0035] In this embodiment, by providing the dustproof net 116 at the feeding pipe 109, the dustproof net 116 can prevent dust from entering and accumulating in the air collecting pipe 102, thereby affecting the air supply effect.

[0036] Furthermore, the coal drying and grading feeding system also includes a display panel 123 and multiple temperature sensors 124. The display panel 123 is fixedly connected to the drying box 101 and is located on the outer wall of the drying box 101. The multiple temperature sensors 124 are all fixedly connected to the drying box 101 and are all located on the inner wall of the drying box 101. The multiple temperature sensors 124 are electrically connected to the display panel 123.

[0037] In this embodiment, the display panel 123 is installed on the outside of the drying box 101. The display panel 123 displays the temperature inside the drying box 101. The drying box 101 is divided into three cavities by the support plate 103. Multiple temperature sensors 124 are installed on the inside of the drying box 101 to detect the stability of each cavity respectively, so as to facilitate the control of the drying temperature of the coal and facilitate the drying of the coal.

[0038] Furthermore, the coal drying and grading feeding system further includes a moving component, and the moving component is arranged below the drying box 101 .

[0039] In this embodiment, by arranging the moving wheels 128 below the drying box 101, the drying box 101 can be conveniently moved by using the moving assembly, and the operation is convenient.

[0040] Furthermore, the moving assembly includes a base 125, multiple hydraulic cylinders 126, a lifting plate 127 and multiple moving wheels 128. The base 125 is fixedly connected to the drying box 101 and is located below the drying box 101. The multiple hydraulic cylinders 126 are fixedly connected to the base 125 and are located inside the base 125. The lifting plates 127 are fixedly connected to the multiple hydraulic cylinders 126 and are located inside the base 125. The multiple moving wheels 128 are arranged below the lifting plate 127.

[0041] In this embodiment, when the drying box 101 is moved, the multiple hydraulic cylinders 126 in the base 125 are started, and the output ends of the multiple hydraulic cylinders 126 extend to drive the lifting plate 127 to move downward, and the multiple moving wheels 128 move along until the multiple moving wheels 128 contact the ground, and then force is applied to push the drying box 101 to move.

[0042] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A coal drying and grading feeding system, characterized in that: It comprises a drying box, a plurality of support plates, an air collecting pipe, a plurality of groups of pushing pieces, a plurality of groups of blocking pieces, a hot air blower, an air supply pipe and a plurality of groups of feeding components, the drying box having a plurality of discharge ports, the hot air blower being fixedly arranged on the outer side wall of the drying box, the air collecting pipe being connected to the drying box and being located on the outer side of the drying box, the two ends of the air supply pipe being respectively connected to the hot air blower and the air collecting pipe, the drying box having a plurality of mounting slots, each of which is provided with the blocking piece, a plurality of the support plates being fixedly arranged in the drying box, a plurality of groups of the pushing pieces being fixedly connected to the drying box, and a plurality of groups of the feeding components being connected to the drying box; The feeding assembly includes a feeding hopper, a feeding pipe, a movable plate, a torsion spring, a weight sensor, a block and a moving part. The feeding pipe is fixedly connected to the drying box and passes through the drying box. The feeding hopper is connected to the feeding pipe and is located above the feeding pipe. The movable plate is rotatably arranged in the feeding hopper. The two ends of the torsion spring are respectively fixedly connected to the feeding hopper and the movable plate. The weight sensor is fixedly arranged above the movable plate. The feeding hopper has a groove. The block is movably connected to the drying box and is adapted to the groove. The moving part is arranged on the outside of the drying box and connected to the block.

2. The coal drying and grading feeding system according to claim 1, characterized in that: The feeding assembly also includes a return spring, and two ends of the return spring are fixedly connected to the feeding hopper and the movable plate respectively.

3. The coal drying and grading feeding system according to claim 2, characterized in that: The movable part includes a fixed plate and a cylinder. The fixed plate is fixedly connected to the drying box and is located on the outer wall of the drying box. The cylinder is fixedly arranged above the fixed plate. The output end of the cylinder is fixedly connected to the stopper and movably passes through the groove.

4. The coal drying and grading feeding system according to claim 1, characterized in that: The blocking member includes a first electric telescopic rod and a blocking plate. The first electric telescopic rod is fixedly connected to the drying box and is located in the mounting groove. The blocking plate is fixedly connected to the first electric telescopic rod and is located in the mounting groove.

5. The coal drying and grading feeding system according to claim 1, characterized in that: The moving part includes a second electric telescopic rod and a push plate, the second electric telescopic rod is fixedly connected to the drying box and is located on the inner wall of the drying box, and the push plate is connected to the output end of the second electric telescopic rod and is located above the push plate.

6. The coal drying and grading feeding system according to claim 1, characterized in that: The coal drying and grading feeding system further includes a plurality of dust-proof nets, which are all fixedly connected to the air collecting pipe and are respectively located in the air collecting pipe.

7. The coal drying and grading feeding system according to claim 6, characterized in that: The coal drying and grading feeding system also includes a display panel and multiple temperature sensors. The display panel is fixedly connected to the drying box and is located on the outer wall of the drying box. The multiple temperature sensors are fixedly connected to the drying box and are located on the inner wall of the drying box. The multiple temperature sensors are electrically connected to the display panel.

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