Cement sample conveying device

Abstract

The utility model relates to the technical field of cement conveying, and discloses a cement sample conveying device. The cement sample conveying device comprises a conveying pipe, an air inlet pipe is installed below the conveying pipe in a penetrating mode, a flow dividing pipe is fixedly installed below the air inlet pipe, an air pump is fixedly installed at the tail end of the flow dividing pipe, a connecting pipe is fixedly installed at the front end of the conveying pipe, and a motor is fixedly installed in the connecting pipe. Gas enters the flow dividing pipe through the air pump and then enters the conveying pipe through the air inlet pipe, the air inlet pipe is tangent to the left side of a pipe cavity, facing front and back, of the conveying pipe, airflow generated by the air pump is blown to the pipe wall of the conveying pipe under the guide of the air inlet pipe, and airflow generated by the air pump with the horizontal pipe cavity center of the conveying pipe as the benchmark is generated under the guide of the pipe wall of the conveying pipe. And in this way, the cement can be driven by the vortex to continuously rotate and move backwards, and therefore the situation that the cement is accumulated in the conveying pipe is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to cement conveying technical field, concretely is a kind of cement sample delivery conveying device. BACKGROUND

[0002] In the cement production process, cement raw material determines the product quality of cement clinker to a great extent, and affects the economic benefit of enterprises. The production of cement raw material is composed of four process links of mine exploitation, raw material pre-homogenization yard, raw material grinding, and raw material homogenization warehouse. After limestone, clay and other raw materials are ground by a raw material mill, loose fine powder raw materials are formed. The air conveying chute driven by the air flow of the fan makes the raw materials in a suspended state along the pipeline with the airflow to the raw material homogenization warehouse, and then enters the kiln for calcination to form cement clinker. After the cement is produced, it needs to be sent to the laboratory for testing its strength and stability.

[0003] The existing can refer to the announcement number: CN213481799U Chinese utility model patent, it discloses a kind of transmission device for cement sample delivery, including feeding pipe and sampling pipe, the top of the sampling pipe is communicated with the feeding pipe, the bottom of the sampling pipe is equipped with support plate, the support plate is rotatably connected with the coaxial shaft of the sampling pipe, the shaft is equipped with helical lifting blade, the feeding pipe is equipped with motor for driving the rotation of the shaft, the sampling pipe is equipped with feed inlet;One end of the feeding pipe is communicated with transmission pipe, the other end of the feeding pipe is equipped with air inlet, the feeding pipe is equipped with fan near the air inlet, the outside of the feeding pipe is equipped with control switch for controlling the opening and closing of motor and fan. The present application transports the sample into the feeding pipe by the setting of helical lifting blade in the sampling pipe, and then transports the cement sample to the laboratory through the transmission pipe for testing by the power provided by the fan, realizes the automatic detection of sample, and greatly improves the work efficiency.

[0004] The existing conveying device generally drives the movement of cement by gas, and changes the cement into fluidized state by airflow, so as to change the cement into fluidized state for convenient conveying. At present, the airflow is made to enter the inside of the pipe cavity by the fan communicated with the pipe cavity. The airflow movement direction is consistent with the direction of the pipeline, which may cause the accumulation of cement in the inside of the pipeline, affecting the conveying. At the same time, the conveying mode has a large amount of gas in the inside of the pipe cavity, which affects the subsequent movement of cement to the inside of the detection equipment. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] In view of the shortcomings of the prior art, the utility model provides a kind of cement sample delivery conveying device, with the advantages of avoiding cement accumulation and avoiding the influence of gas on the subsequent entry of cement into detection device, solving the above technical problems.

[0007] (ii) Technical Solution

[0008] To achieve the above object, the utility model provides the following technical scheme: a cement sample feeding conveying device, it draws installation has the air inlet pipe below the conveying pipe, the shunt pipe is fixedly installed below the air inlet pipe, the air pump is fixedly installed at the end of the shunt pipe, the front end of the conveying pipe is fixedly installed with the connecting pipe, the motor is fixedly installed in the connecting pipe, the fan blade is installed outside the rotating shaft of the motor, the front end of the connecting pipe is movably fixedly installed with the fixed ring, the front end of the fixed ring is embeddedly installed with the metal net, the rear end of the conveying pipe is fixedly installed with the limiting pipe, the filter screen is fixedly installed at the end of the limiting pipe, the limiting ring is fixedly installed in the limiting pipe, the baffle is fixedly installed on the inner side of the limiting ring, the limiting column is fixedly installed in the baffle, the discharge port is fixedly installed below the limiting pipe, and the discharge valve is fixedly installed at the lower end of the discharge port, the air inlet pipe can facilitate the external air to enter the inside of the conveying pipe.

[0009] As a preferred technical scheme of the utility model, the conveying pipe is a tee structure, the top end of the conveying pipe is provided with a flange structure, the included angle between the air inlet pipe and the vertical axis is forty-five degrees, the top end of the air inlet pipe points to the oblique rear, the bottom end of the air inlet pipe is provided with a forty-five degree corner, and the air inlet pipe is equidistantly installed below the conveying pipe; the conveying pipe can limit the position of the airflow.

[0010] As a preferred technical scheme of the utility model, the air inlet pipe is communicated with the shunt pipe, the air pump is communicated with the air inlet pipe through the shunt pipe, the front end of the connecting pipe is a conical structure, and the surface of the connecting pipe is provided with an opening structure distributed in a ring shape with the center of the connecting pipe as a reference; the connecting pipe can facilitate the airflow generated by the fan blade to blow to the inside of the conveying pipe.

[0011] As a preferred technical scheme of the utility model, the motor is fixedly connected between the fixed frame and the connecting pipe, the air outlet direction of the fan blade points to the inside of the conveying pipe, and the metal net is fixedly connected between the fixed ring and the connecting pipe; the metal net can intercept impurities with a volume greater than the pore size of the metal net.

[0012] As a preferred technical scheme of the utility model, the inner diameter of the limiting pipe is greater than the inner diameter of the conveying pipe, the filter screen is fixedly installed in the rear end of the limiting pipe, the limiting pipe is provided with a vertical opening structure below, and the front end of the limiting pipe is fixedly connected with the conveying pipe in a penetrating manner; the limiting pipe can facilitate the cement to be discharged downward.

[0013] The lower portion of the limiting ring is provided with a gap matched with the lower opening structure of the limiting pipe, the inner side surface of the limiting ring is fixedly connected with the outer edge of the baffle, and the inner side edge of the baffle is fixedly connected with the limiting column.

[0014] The inclination direction of the baffle is opposite to the rotating direction of the gas in the conveying pipe, the baffle is annularly installed on the outer side of the limiting column with the center of the limiting column as a reference, the upper portion of the discharge port is of a conical structure, and the inner diameter of the bottom end of the discharge port is smaller than the inner diameter of the opening at the rear end of the limiting pipe.

[0015] Compared with the prior art, the cement sample conveying device has the advantages that

[0016] Beneficial effects:

[0017] 1. The gas pump is connected with all the air inlet pipes through the shunt pipe, the included angle between the air inlet pipe and the vertical shaft is forty-five degrees, the top end of the air inlet pipe points to the rear oblique side, the bottom end of the air inlet pipe is provided with a forty-five degree corner, the air inlet pipes are equidistantly installed below the conveying pipe, the gas enters the inside of the conveying pipe through the air inlet pipe after passing through the gas pump, the air inlet pipe and the conveying pipe are tangent to the left side of the lumen in front and back directions, the gas flow generated by the gas pump blows to the pipe wall of the conveying pipe under the guidance of the air inlet pipe, and the vortex generated under the guidance of the pipe wall of the conveying pipe is directed to the rear limiting pipe with the center of the horizontal lumen of the conveying pipe as a reference, so that the cement is continuously rotated and moved backward under the driving of the vortex, thereby avoiding the accumulation of the cement in the conveying pipe.

[0018] 2. The baffle is annularly installed on the outer side of the limiting column with the center of the limiting column as a reference, the outer edge of the baffle is fixedly connected with the inner wall of the limiting ring, the limiting ring is fixed to the center of the limiting pipe, the inner diameter of the limiting pipe is larger than the inner diameter of the conveying pipe, the filter screen is fixedly installed in the rear end of the limiting pipe, the lower portion of the limiting pipe is provided with a vertical opening structure, the front end of the limiting pipe is fixedly connected with the conveying pipe in a penetrating manner, the moving speed of the vortex is reduced due to the expansion of the lumen volume after the vortex enters the inside of the limiting pipe, and the baffle blocks the cement driven by the vortex, so that the cement falls into the inside of the discharge port under the action of gravity and is discharged through the unloading valve, and since the inner diameter of the bottom end of the discharge port is smaller than the inner diameter of the opening at the rear end of the limiting pipe, the gas is discharged through the filter screen at the rear end of the limiting pipe, so that the gas does not affect the cement entering the inside of the subsequent detection device. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the whole structure schematic view of the utility model;

[0020] Figure 2 It is the delivery pipe section structure schematic view of the utility model;

[0021] Figure 3 It is the fan blade installation structure schematic view of the utility model;

[0022] Figure 4 It is the limiting pipe section structure schematic view of the utility model;

[0023] Wherein: 1, delivery pipe;11, air inlet pipe;12, shunt pipe;13, air pump;14, connecting pipe;15, fixed frame;16, motor;17, fan blade;18, fixed ring;19, metal net;2, limiting pipe;21, filter screen;22, limiting ring;23, baffle;24, limiting column;25, discharge port;26, unloading valve. DETAILED DESCRIPTION

[0024] The embodiment of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0025] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. 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.

[0027] Please refer to Figure 1 - Figure 4In this embodiment, a cement sample feeding conveying device comprises a conveying pipe 1, an air inlet pipe 11 is installed below the conveying pipe 1, a shunt pipe 12 is fixedly installed below the air inlet pipe 11, an air pump 13 is fixedly installed at the end of the shunt pipe 12, a connecting pipe 14 is fixedly installed at the front end of the conveying pipe 1, a motor 16 is fixedly installed inside the connecting pipe 14, a fan blade 17 is installed outside the rotating shaft of the motor 16, a fixed ring 18 is movably fixedly installed at the front end of the connecting pipe 14, and a metal mesh 19 is embeddedly installed at the front end of the fixed ring 18.

[0028] The conveying pipe 1 has a three-way structure, the top end of the conveying pipe 1 is provided with a flange structure, the included angle between the air inlet pipe 11 and the vertical axis is forty-five degrees, the top end of the air inlet pipe 11 points to the oblique rear, and the bottom end of the air inlet pipe 11 is provided with a forty-five-degree corner, and the air inlet pipe 11 is installed below the conveying pipe 1 at equal distances in front and back.

[0029] The air inlet pipe 11 communicates with the shunt pipe 12, the air pump 13 communicates with the air inlet pipe 11 through the shunt pipe 12, the front end of the connecting pipe 14 has a conical structure, and the surface of the connecting pipe 14 is provided with an opening structure which is annularly distributed with the center of the connecting pipe 14 as the reference.

[0030] The motor 16 is fixedly connected between the fixed frame 15 and the connecting pipe 14, the air outlet direction of the fan blade 17 points to the inside of the conveying pipe 1, and the metal mesh 19 is fixedly connected between the fixed ring 18 and the connecting pipe 14.

[0031] Specifically, the conveying pipe 1 can limit the position of the air flow, the air inlet pipe 11 can facilitate the external air to enter the inside of the conveying pipe 1, the shunt pipe 12 can facilitate the air pump 13 to communicate with the air inlet pipe 11, the air pump 13 can drive the air to enter the inside of the shunt pipe 12, the connecting pipe 14 can facilitate the air flow generated by the fan blade 17 to blow to the inside of the conveying pipe 1, the fixed frame 15 can limit the position of the motor 16, the motor 16 can drive the fan blade 17 to rotate to generate air flow, the fixed ring 18 can limit the position of the metal mesh 19, and the metal mesh 19 can intercept impurities with a volume greater than the aperture of the metal mesh 19.

[0032] The rear end of the conveying pipe 1 is fixedly installed with a limiting pipe 2, the end of the limiting pipe 2 is fixedly installed with a filter screen 21, the inside of the limiting pipe 2 is fixedly installed with a limiting ring 22, the inside of the limiting ring 22 is fixedly installed with a baffle 23, the inside of the baffle 23 is fixedly installed with a limiting column 24, the lower side of the limiting pipe 2 is fixedly installed with a discharge port 25, and the lower end of the discharge port 25 is fixedly installed with a discharge valve 26.

[0033] The inner diameter of the limiting pipe 2 is greater than the inner diameter of the conveying pipe 1, the filter screen 21 is fixedly installed inside the rear end of the limiting pipe 2, the lower side of the limiting pipe 2 is provided with a vertical opening structure, and the front end of the limiting pipe 2 is fixedly connected with the conveying pipe 1 in a penetrating manner.

[0034] The lower part of the limiting ring 22 is provided with a notch matched with the opening structure at the lower part of the limiting tube 2, the inner side of the limiting ring 22 is fixedly connected with the outer edge of the baffle 23, and the inner side edge of the baffle 23 is fixedly connected with the limiting column 24.

[0035] The inclined direction of the baffle 23 is opposite to the rotating direction of the gas in the conveying pipe 1, the baffle 23 is annularly installed on the outer side of the limiting column 24 with the center of the limiting column 24 as the reference, the upper part of the discharge port 25 is a conical structure, and the inner diameter of the bottom end of the discharge port 25 is smaller than the inner diameter of the opening at the rear end of the limiting tube 2.

[0036] Specifically, the limiting tube 2 can facilitate the downward discharge of cement, the filter screen 21 can prevent dust from being discharged by the airflow, the limiting ring 22 can limit the position of the limiting column 24 through the baffle 23, the limiting column 24 can limit the position of the baffle 23, the baffle 23 can block the airflow, the discharge port 25 can limit the position of the cement discharge, and the discharge valve 26 can facilitate the discharge of the cement.

[0037] In use, the air pump 13 is connected with all the air inlet pipes 11 through the shunt pipe 12, the included angle between the air inlet pipe 11 and the vertical axis is forty-five degrees, the top end of the air inlet pipe 11 points to the rear oblique side, the bottom end of the air inlet pipe 11 is provided with a forty-five-degree corner, and the air inlet pipe 11 is installed below the conveying pipe 1 at equal distances in front and back. After the gas enters the inside of the shunt pipe 12 through the air pump 13, it enters the inside of the conveying pipe 1 through the air inlet pipe 11. The air inlet pipe 11 is tangent to the left side of the lumen of the conveying pipe 1 in front and back directions. The airflow generated by the air pump 13 will be blown to the wall of the conveying pipe 1 under the guidance of the air inlet pipe 11, and will generate a vortex under the guidance of the wall of the conveying pipe 1, which is directed to the rear limiting tube 2 with the horizontal lumen center of the conveying pipe 1 as the reference. This way can make the cement continuously rotate and move backward under the driving of the vortex, thereby avoiding the accumulation of cement in the conveying pipe 1. The inclined direction of the baffle 23 is opposite to the rotating direction of the gas in the conveying pipe 1, the baffle 23 is annularly installed on the outer side of the limiting column 24 with the center of the limiting column 24 as the reference, the outer edge of the baffle 23 is fixedly connected with the inner wall of the limiting ring 22, the limiting ring 22 is fixed to the center of the limiting tube 2, the inner diameter of the limiting tube 2 is larger than the inner diameter of the conveying pipe 1, the filter screen 21 is fixedly installed in the inside of the rear end of the limiting tube 2, the lower part of the limiting tube 2 is provided with a vertical opening structure, and the front end of the limiting tube 2 is fixedly connected with the conveying pipe 1 in a penetrating manner. When the vortex enters the inside of the limiting tube 2, the moving speed of the vortex will be reduced due to the expansion of the lumen volume, and the baffle 23 will block the cement driven by the vortex, so that the cement falls into the inside of the discharge port 25 under the action of gravity and is discharged through the discharge valve 26. Since the inner diameter of the bottom end of the discharge port 25 is smaller than the inner diameter of the opening at the rear end of the limiting tube 2, the gas will be discharged through the filter screen 21 at the rear end of the limiting tube 2. This way can avoid the influence of the gas on the cement entering the subsequent detection device.

[0038] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A cement sample delivery conveyor, comprising: The utility model relates to a cement sample conveying device, including: The lower part of conveying pipe (1) is provided with air inlet pipe (11), the lower part of air inlet pipe (11) is fixedly provided with shunt pipe (12), the end of shunt pipe (12) is fixedly provided with air pump (13), the front end of conveying pipe (1) is fixedly provided with connecting pipe (14), the inside of connecting pipe (14) is fixedly provided with motor (16), the outer side of the rotating shaft of motor (16) is provided with fan blade (17) in the form of penetrating, the front end of connecting pipe (14) is movably fixedly provided with fixed ring (18), the front end of fixed ring (18) is embeddedly provided with metal screen (19), the rear end of conveying pipe (1) is fixedly provided with limiting pipe (2), the end of limiting pipe (2) is fixedly provided with filter screen (21), the inside of limiting pipe (2) is fixedly provided with limiting ring (22), the inner side of limiting ring (22) is fixedly provided with baffle (23), the inner side of baffle (23) is fixedly provided with limiting column (24), the lower part of limiting pipe (2) is fixedly provided with discharge port (25), the lower end of discharge port (25) is fixedly provided with unloading valve (26).

2. The cement sample conveying device according to claim 1, wherein: the conveying pipe (1) is a tee structure, the top end of the conveying pipe (1) is provided with a flange structure, the included angle between the air inlet pipe (11) and the vertical axis is forty-five degrees, the top end of the air inlet pipe (11) points to the rear obliquely, the bottom end of the air inlet pipe (11) is provided with a forty-five degree corner, and the air inlet pipe (11) is installed equidistantly on the lower part of the conveying pipe (1).

3. The cement sample conveying device according to claim 1, wherein: the air inlet pipe (11) is communicated with the shunt pipe (12), the air pump (13) is communicated with the air inlet pipe (11) through the shunt pipe (12), the front end of the connecting pipe (14) is a conical structure, and the surface of the connecting pipe (14) is provided with an opening structure in the form of a ring distributed around the center of the connecting pipe (14).

4. The cement sample conveying device according to claim 1, wherein: the motor (16) is fixedly connected between the fixed frame (15) and the connecting pipe (14), the air outlet direction of the fan blade (17) points to the inside of the conveying pipe (1), and the metal screen (19) is fixedly connected between the fixed ring (18) and the connecting pipe (14).

5. The cement sample conveying device according to claim 1, wherein: the inner diameter of the limiting pipe (2) is greater than the inner diameter of the conveying pipe (1), the filter screen (21) is fixedly installed in the inside of the rear end of the limiting pipe (2), the lower part of the limiting pipe (2) is provided with a vertical opening structure, and the front end of the limiting pipe (2) is fixedly connected with the conveying pipe (1) in the form of penetrating.

6. The cement sample conveying device according to claim 1, wherein: The lower part of the limiting ring (22) is provided with a notch matching the opening structure of the lower part of the limiting tube (2), the inner side surface of the limiting ring (22) is fixedly connected with the outer edge of the baffle (23), and the inner side edge of the baffle (23) is fixedly connected with the limiting column (24).

7. The cement sample delivery device according to claim 1, characterized in that: The inclination direction of the baffle (23) is opposite to the rotating direction of the gas in the delivery tube (1), the baffle (23) is annularly installed on the outer side of the limiting column (24) with the center of the limiting column (24) as the reference, the upper part of the discharge port (25) is of a conical structure, and the inner diameter of the bottom end of the discharge port (25) is smaller than the inner diameter of the opening at the rear end of the limiting tube (2).

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