Drying device for steel grit production

Abstract

The utility model discloses a drying device for steel grit production, which comprises a preheating box body, the upper surface of the preheating box body is fixedly connected with a feeding hopper, one end of the preheating box body is fixedly connected with a connecting pipe, one end of the connecting pipe is fixedly connected with a drying box body, one end of the lower surface of the drying box body is fixedly connected with a discharging pipe, and the discharging pipe is fixedly connected with a discharging pipe. Rotating rollers are rotatably mounted in the preheating box body and the drying box body, a conveying belt is rotatably mounted on the surfaces of the rotating rollers, a heating block is fixedly mounted in the drying box body, a fan is fixedly mounted on the upper surface of the drying box body, and a conical hopper is fixedly connected to one end of the interior of a discharging pipe; a through hole is formed in one side of the conical hopper, a connecting rod is slidably mounted in the through hole, one end of the connecting rod is fixedly connected with a sealing block, discharging can be conducted after combined sealing, heat loss is reduced, the drying efficiency and stability are improved, and adaptability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the steel sand production field more specifically, relate to a kind of drying device for steel sand production. BACKGROUND

[0002] Steel sand is made of molten iron, and the steel sand preparation process commonly seen on the market is mostly divided into two kinds. One is cast steel sand. The process is to melt raw materials in an electric furnace into molten iron, then pour it into water. The molten iron explodes into steel balls of varying sizes when it comes into contact with water. Then, it is sieved, padded, rusted, packaged, or prepared using the emerging centrifugal process. The molten iron is thrown into a pool of water through centrifugal cooling, and the cooling process is completed in the pool water. Both of these processes require the use of water as a key medium. Water cooling is also required in other processing steps of steel sand. This directly leads to the presence of a certain amount of moisture on the surface of the steel sand after cooling. If not dried in time, it will cause corrosion and oxidation to some extent. Existing drying devices mostly use electric heating to directly heat air for drying or hot air drying.

[0003] The utility model with the authorization announcement No. CN211552376U discloses a drying device for steel sand production. The preheating chamber is arranged on the bottom surface. The right end of the preheating chamber is provided with a connecting channel. The right end of the connecting channel is provided with a drying chamber. The preheating chamber is connected to the drying chamber through the connecting channel. An opening structure is formed on the left side wall of the preheating chamber, and the opening is connected to a feeding port. An opening structure is formed on the right side wall of the drying chamber, and a soft curtain is arranged at the opening. A main heating block is arranged on the inner side of the bottom of the drying chamber. A preheating heating block is arranged on the inner side of the bottom of the preheating chamber. A support frame is arranged on the inner side of the preheating chamber. A plurality of driven rollers are arranged on the inner side of the support frame. A driving roller is arranged on the right end of the support frame. The utility model reduces heat loss, recycles steam and hot air, increases heat utilization rate, saves energy, and improves drying effect.

[0004] In the above-mentioned disclosed structure, the preheating chamber is connected to the drying chamber, and the gas return pipe is used for preheating. However, there is no combined adjustment of the discharge pipe, which cannot discharge in a closed state, resulting in serious heat loss and insufficient stability. In addition, there is no filter cartridge for dehumidification and filtration. Water vapor is easily brought into the gas return position, the preheating effect is poor, and the drying efficiency is low. It needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model discloses a drying device for steel sand production, through preheating box body installation drying box body, the combination inside rotation roll connection conveying belt can be combined and installed and convey drying, and through fan installation pipeline and filter cylinder, can filter and dehumidify and then carry out back gas, improve drying quality, and through the discharge pipe connection conical head, the combination connecting rod installs sealing block, can be combined and sealed and then carry out the discharge, reduce heat loss, improve drying efficiency and stability, and the adaptability is high.

[0006] To solve the above problems, the utility model adopts the following technical scheme.

[0007] A drying device for steel sand production, including preheating box body, the upper surface of preheating box body is fixedly connected with feeder hopper, one end of preheating box body is fixedly connected with connecting pipe, one end of connecting pipe is fixedly connected with drying box body, the lower surface one end of drying box body is fixedly connected with discharge pipe, the inside rotation of preheating box body and drying box body is installed with rotation roller, the surface rotation of rotation roller is installed with conveying belt, the inside fixed mounting of drying box body has heating block, the upper surface fixed mounting of drying box body has fan, the inside one end of preheating box body is connected with fan through pipeline;

[0008] The inside one end of discharge pipe is fixedly connected with conical hopper, one side of conical hopper is equipped with through -hole, the inside sliding of through -hole is installed with connecting rod, one end of connecting rod is fixedly connected with sealing block, the other end sliding sleeve of connecting rod has sleeve, one end of sleeve is fixedly connected with cover plate, the lower surface position of discharge pipe is clamped with cover plate, one end fixed mounting of pipeline has filter cylinder, and filter cylinder is located at the upper end position of preheating box body.

[0009] Further, one end of the filter cylinder is threadedly installed with a positioning cover, and one side of the positioning cover is fixedly connected with a mounting rod.

[0010] Further, one end of the mounting rod is sleeved with a filter column, and the filter column is inserted into the inside of the filter cylinder.

[0011] Further, the filter column is a dehumidification cotton block, and is located at one end of the pipeline, and the mounting rod is connected through the positioning cover, so that the filter column is installed, the back gas can be dehumidified and filtered, and maintenance and replacement are facilitated, safe and stable, and beneficial to preheating use.

[0012] Further, one end of the mounting rod is fixedly connected with a baffle, and the baffle is tightly connected to the surface of one end of the filter column.

[0013] Further, one end of the mounting rod is threadedly installed with a positioning nut, and the positioning nut is tightly connected to the surface of one end of the filter column.

[0014] Further, the mounting rod and the positioning nut are inserted into the interior of the filter cylinder, the filter cylinder can be combined and installed by connecting the baffle and the positioning nut through the mounting rod, convenient connection and use, stable and efficient.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] (1) the scheme passes through the preheating box body installation drying box body, can combine installation and convey drying in combination with the rotating roller connection conveying belt, and can filter and dehumidify and then return air through the fan installation pipeline and filter cylinder, improve the drying quality, and through the discharge pipe connection conical head, combination connecting rod installation sealing block, can combine sealing and then discharge, reduce heat loss, improve drying efficiency and stability, high adaptability.

[0017] (2) the positioning cover is connected with the mounting rod, so that the filter cylinder is installed, the return air can be dehumidified and filtered, and maintenance and replacement are convenient, safe and stable, and the preheating is facilitated.

[0018] (3) the baffle and the positioning nut can be combined and installed through the mounting rod, convenient connection and use, stable and efficient. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure external three-dimensional schematic view of the utility model;

[0020] Figure 2 It is a plane structure schematic view of the utility model;

[0021] Figure 3 It is a partial sectional view of the discharge pipe of the utility model;

[0022] Figure 4 It is a partial structure view of the filter cylinder and the filter column connection of the utility model;

[0023] Figure 5 It is a three-dimensional structure view of the filter column connection of the utility model.

[0024] Explanation of reference numerals in the drawing:

[0025] 1 preheating box body, 11 feeding hopper, 12 connecting pipe, 13 drying box body, 14 discharge pipe, 15 rotating roller, 16 conveying belt, 17 heating block, 18 fan, 19 pipeline, 2 conical hopper, 21 through hole, 22 sealing block, 23 connecting rod, 24 sleeve, 25 cover plate, 26 filter cylinder, 3 positioning cover, 31 mounting rod, 32 filter column, 33 baffle, 34 positioning nut. DETAILED DESCRIPTION

[0026] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments; based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0027] Please refer to Figure 1 , Figure 2 and Figure 3 , a drying device for steel sand production, including preheating box 1, the upper surface of preheating box 1 is fixedly connected with feed hopper 11, one end of preheating box 1 is fixedly connected with connecting pipe 12, one end of connecting pipe 12 is fixedly connected with drying box 13, the lower surface of drying box 13 is fixedly connected with discharge pipe 14, rotating roller 15 is rotatably installed in preheating box 1 and drying box 13, conveying belt 16 is rotatably installed on the surface of rotating roller 15, heating block 17 is fixedly installed in drying box 1, fan 18 is fixedly installed on the upper surface of drying box 13, and fan 18 is connected to one end of the inside of preheating box 1 through pipeline 19;

[0028] One end of discharge pipe 14 is fixedly connected with conical hopper 2, one side of conical hopper 2 is provided with through hole 21, connecting rod 23 is slidably installed in through hole 21, sealing block 22 is fixedly connected with one end of connecting rod 23, sleeve 24 is slidably sleeved with the other end of connecting rod 23, one end of sleeve 24 is fixedly connected with cover plate 25, cover plate 25 is clamped on the lower surface of discharge pipe 14, one end of pipeline 19 is fixedly installed with filter cylinder 26, filter cylinder 26 is located at the upper end of preheating box 1, when using, steel sand is added from feed hopper 11, falls on conveying belt 16, is conveyed to the inside of drying box 13 after preheating in preheating box 1, is dried by heating block 17 power heating, and after drying, is conveyed, falls from the end position of conveying belt 16, is guided to the inside of discharge pipe 14 through conical hopper 2, can be closed and stored, and when discharging, cover plate 25 can be opened, sleeve 24 is pulled down, then connecting rod 23 and sealing block 22 are moved downward, can seal through hole 21, ensure the stability of the inside of drying box 13, avoid heat loss, the bottom of discharge pipe 14 is opened, the stored dried steel sand can be taken out, is beneficial to stable discharge, is convenient to combine and adjust, and has high adaptability.

[0029] Please refer to Figure 2 and Figure 4One end of the filter cylinder 26 is threadedly installed with a positioning cover 3, one side of the positioning cover 3 is fixedly connected with a mounting rod 31, one end of the mounting rod 31 is sleeved with a filter column 32, the filter column 32 is inserted into the inside of the filter cylinder 26, the filter column 32 is a dehumidifying cotton block, and is located at one end of the pipeline 19, the mounting rod is connected through the positioning cover, so that the filter column is installed, the return air can be dehumidified and filtered, and it is convenient to maintain and replace, safe and stable, and beneficial to preheating use.

[0030] Please refer to Figure 4 and Figure 5 One end of the mounting rod 31 is fixedly connected with a baffle 33, the baffle 33 is tightly connected to one end surface of the filter column 32, one end of the mounting rod 31 is threadedly installed with a positioning nut 34, the positioning nut 34 is tightly connected to one end surface of the filter column 32, the mounting rod 31 and the positioning nut 34 are both inserted into the inside of the filter cylinder 26, the filter column can be combined and installed through the mounting rod connecting the baffle and the positioning nut, convenient to connect and use, stable and efficient, when installing, the filter column 32 can be sleeved on the mounting rod 31, combined with the baffle 33 limiting, and then the positioning nut 34 is threadedly installed, can be locked and fixed, then can be inserted into the inside of the filter cylinder 26, combined with the positioning cover 3 installation positioning, convenient to combine and install, in this way, the hot air flowing back through the pipeline 19 is filtered through the filter column 32 first, can absorb the moisture in the inside, then the dry hot air is blown into the inside of the preheating box body 1, can be preheated to the steel sand, improve the drying efficiency, and the combined and installed filter column 12 is convenient to disassemble and replace, also beneficial to reuse after removing the moisture, high adaptability.

[0031] The above is only a preferred specific embodiment of the present application; however, the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and improvement concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A drying device for steel shot production, comprising a preheating chamber (1), wherein a feed hopper (11) is fixedly connected to the upper surface of the preheating chamber (1), a connecting pipe (12) is fixedly connected to one end of the preheating chamber (1), and a drying chamber (13) is fixedly connected to one end of the connecting pipe (12), characterized in that: The lower surface of the drying box body (13) is fixedly connected with a discharge pipe (14), the preheating box (1) and the drying box (13) are rotatably installed with a rotating roller (15), the surface of the rotating roller (15) is rotatably installed with a conveying belt (16), the inside of the drying box (13) is fixedly installed with a heating block (17), the upper surface of the drying box (13) is fixedly installed with a fan (18), and the inside of the preheating box (1) is connected with the fan (18) through a pipeline (19). The inside of the discharge pipe (14) is fixedly connected with a conical hopper (2), one side of the conical hopper (2) is provided with a through hole (21), the inside of the through hole (21) is slidably installed with a connecting rod (23), one end of the connecting rod (23) is fixedly connected with a sealing block (22), the other end of the connecting rod (23) is slidably sleeved with a sleeve (24), one end of the sleeve (24) is fixedly connected with a cover plate (25), the cover plate (25) is clamped on the lower surface of the discharge pipe (14), one end of the pipeline (19) is fixedly installed with a filter cylinder (26), and the filter cylinder (26) is located at the upper end of the preheating box (1).

2. The drying device for steel grit production according to claim 1, characterized in that: One end of the filter cylinder (26) is threadedly installed with a positioning cover (3), one side of the positioning cover (3) is fixedly connected with a mounting rod (31).

3. The drying device for steel grit production according to claim 2, characterized in that: One end of the mounting rod (31) is sleeved with a filter column (32), and the filter column (32) is inserted into the inside of the filter cylinder (26).

4. The drying device for steel grit production according to claim 3, characterized in that: The filter column (32) is a dehumidifying cotton block, and is located at one end of the pipeline (19).

5. The drying device for steel grit production according to claim 2, characterized in that: One end of the mounting rod (31) is fixedly connected with a baffle (33), and the baffle (33) is tightly connected to one end surface of the filter column (32).

6. The drying device for steel grit production according to claim 2, characterized in that: One end of the mounting rod (31) is threadedly installed with a positioning nut (34), and the positioning nut (34) is tightly connected to one end surface of the filter column (32).

7. The drying device for steel grit production according to claim 6, characterized in that: The mounting rod (31) and the positioning nut (34) are both inserted into the inside of the filter cylinder (26).

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