Coal blending and slurrying device at head end of long-distance coal conveying pipeline

Abstract

The utility model discloses a coal blending and slurrying device at the head end of a long-distance coal conveying pipeline, and relates to the technical field of coal transportation, according to the coal blending and slurrying device at the head end of the long-distance coal conveying pipeline, firstly, raw materials are added into a feeding notch, and the weight of the raw materials in the feeding notch is weighed through a pressure sensor; when a pressure sensor detects that raw materials reach the weight suitable for processing, a signal is sent to a control terminal, the control terminal is used for driving a first motor to work, and a connecting shaft drives a supporting plate to rotate downwards, so that the quantitative feeding function of the coal blending and slurrying device is achieved, and the situation that too much materials are fed into a coal blending and slurrying tank is avoided; during feeding, the liquid inlet pipe is controlled through the electronic valve to add water and other mixed media, the flow meter is matched with the electronic valve to detect and control the flow of the liquid inlet pipe, the mixing ratio of coal slurry raw materials can be accurately controlled, and the production and processing quality of coal slurry can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal transportation, in particular to a coal mixing and slurry making device at the head end of a long-distance coal transportation pipeline. Background Art

[0002] Pipeline coal transportation is a new mode of transportation, mainly used in industrial transportation. The pipeline coal transportation system consists of three main parts: pulping plant, pipeline and pumping station, and terminal dehydration plant. It also includes related supporting facilities such as water supply, power supply, communication and automatic control. Pipeline coal transportation, or the transportation of other solid minerals, uses liquid as the medium, that is, solids are added to liquid to form slurry, and then transported by pipeline.

[0003] For example, publication number CN214765100U, the utility model relates to the field of coal transportation technology, and discloses a coal slurry preparation device at the head end of a long-distance coal transportation pipeline, including a first stirring barrel, a plurality of first pipes are fixed on the top of the first stirring barrel, a flow meter is fixed on the outer wall of the first pipe, a second stirring barrel is fixed on the end of the first pipe away from the first stirring barrel, a first solenoid valve is fixed on the outer wall of the first pipe close to the second stirring barrel, a flow meter, a first solenoid valve and a control center are set, so that the first solenoid valve can be started by the control center to release coal slurry, the coal slurry passes through the first pipe and is sensed by the first flow meter, and when a certain amount is reached, the flow meter will send a message to the control center, so that the control center will close the first solenoid valve, so that coal slurries of various qualities can be actually controlled to enter the first stirring barrel, stirred into coal slurries of various mixed qualities, and then transported from the fixed fourth pipe.

[0004] Existing coal blending and slurry making devices usually require manual auxiliary feeding, which makes it difficult to control the feeding amount of raw materials and easily leads to excessive addition of raw materials. Excessive raw materials will have a certain impact on the operation of the coal blending and slurry making device, thereby reducing the production quality of coal slurry. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a coal blending and slurrying device at the head end of a long-distance coal transportation pipeline to solve the problem raised in the above background technology that the existing coal blending and slurrying device usually requires manual auxiliary loading, it is difficult to control the loading amount of raw materials, and it is easy to add too much raw materials. More raw materials will have a certain impact on the operation of the coal blending and slurrying device, thereby reducing the production quality of the coal slurry.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a coal blending and slurrying device at the head end of a long-distance coal transportation pipeline, comprising a base, a shock absorber is fixedly installed on the upper end of the base, a support ring is fixedly installed on the upper end of the shock absorber, a coal blending and slurrying tank body is fixedly installed on the inner surface of the support ring, a feeding pipe is fixedly installed on the left side of the upper end of the coal blending and slurrying tank body, a feeding slot is fixedly connected to the upper end of the feeding pipe, a support plate is provided on the upper side of the interior of the feeding pipe, a pressure sensor is fixedly installed on the upper end of the support plate, a connecting shaft is fixedly connected to the right end of the support plate, a motor is fixedly installed on the front end of the connecting shaft extending to the outer side of the feeding pipe, a liquid inlet pipe is fixedly connected to the upper side of the surface of the coal blending and slurrying tank body, a flow meter is fixedly installed on the surface of the liquid inlet pipe, and an electronic valve is fixedly installed on the surface of the liquid inlet pipe at the side of the flow meter.

[0007] Preferably, the base is designed as a ring-shaped structure, and the shock absorbers are distributed in a ring-shaped array.

[0008] Preferably, a supporting foot is fixedly mounted on the lower end of the base, and a shock-absorbing pad is fixedly mounted on the lower end of the supporting foot.

[0009] Preferably, the feeding slot is designed as a funnel-shaped structure, and the support plate and the feeding pipe are adapted to each other.

[0010] Preferably, the connecting shaft is rotatably connected to the feeding pipe, and the motor 1 is fixedly connected to the feeding pipe.

[0011] Preferably, a second motor is provided at the upper end of the coal blending and slurry making tank body, and a discharging mechanism is provided at the lower end of the coal blending and slurry making tank body.

[0012] Beneficial Effects

[0013] The utility model provides a coal mixing and slurry making device at the head end of a long-distance coal transportation pipeline. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The coal blending and slurrying device at the head end of the long-distance coal transportation pipeline first adds raw materials to the upper feeding slot, and weighs the weight of the raw materials inside the feeding slot through a pressure sensor. When the pressure sensor detects that the raw materials have reached a weight suitable for processing, it sends a signal to the control terminal, and the control terminal drives the motor to work, so that the connecting shaft drives the support plate to rotate downward, thereby realizing the quantitative feeding function of the coal blending and slurrying device, avoiding excessive feeding inside the coal blending and slurrying tank body, affecting the working performance of the coal blending and slurrying device. While feeding, the electronic valve controls the liquid inlet pipe to add mixed media such as water, and the flow meter cooperates with the electronic valve to detect and control the flow of the liquid inlet pipe, so as to accurately control the mixing ratio of the coal slurry raw materials, which is beneficial to improving the production and processing quality of the coal slurry.

[0015] 2. The coal blending and slurrying device at the head end of the long-distance coal transportation pipeline transmits the vibration generated on the coal blending and slurrying tank to the shock absorber through the support ring when the coal blending and slurrying device is in operation, thereby reducing the overall vibration amplitude and vibration intensity of the coal blending and slurrying device, which is beneficial to reducing the impact of vibration on the coal blending and slurrying device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the feeding pipeline structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the support plate structure of the utility model.

[0019] In the figure: 1. base; 2. shock absorber; 3. support ring; 4. coal blending slurry tank; 5. feeding pipe; 6. feeding slot; 7. support plate; 8. pressure sensor; 9. connecting shaft; 10. motor 1; 11. liquid inlet pipe; 12. flow meter; 13. electronic valve; 14. support foot; 15. shock pad; 16. motor 2; 17. discharge mechanism. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-3 The utility model provides a technical solution: a coal blending and slurrying device at the head end of a long-distance coal transportation pipeline, comprising a base 1, a shock absorber 2 is fixedly installed on the upper end of the base 1, a support ring 3 is fixedly installed on the upper end of the shock absorber 2, the base 1 is designed in an annular structure, the shock absorber 2 is distributed in an annular array, a support foot 14 is fixedly installed on the lower end of the base 1, and a shock-absorbing pad 15 is fixedly installed on the lower end of the support foot 14. When the coal blending and slurrying device is in operation, the vibration generated on the coal blending and slurrying tank body 4 is transmitted to the shock absorber 2 through the support ring 3, thereby reducing the overall vibration amplitude and vibration intensity of the coal blending and slurrying device, which is conducive to reducing the impact of vibration on the coal blending and slurrying device;

[0022] A coal blending slurry tank body 4 is fixedly installed on the inner surface of the support ring 3, a feeding pipe 5 is fixedly installed on the left side of the upper end of the coal blending slurry tank body 4, a feeding notch 6 is fixedly connected to the upper end of the feeding pipe 5, a support plate 7 is arranged on the upper side of the inside of the feeding pipe 5, a pressure sensor 8 is fixedly installed on the upper end of the support plate 7, a connecting shaft 9 is fixedly connected to the right end of the support plate 7, a motor 10 is fixedly installed at the front end of the connecting shaft 9 extending to the outer side of the feeding pipe 5, and the feeding notch 6 is designed in a funnel-shaped structure, the support plate 7 and the feeding pipe 5 are adapted to each other, and the connecting shaft 9 The motor 10 is rotatably connected to the feeding pipe 5, and is fixedly connected to the feeding pipe 5. First, raw materials are added to the feeding slot 6, and the weight of the raw materials inside the feeding slot 6 is weighed by the pressure sensor 8. When the pressure sensor 8 detects that the raw materials have reached a weight suitable for processing, a signal is sent to the control terminal, and the control terminal is used to drive the motor 10 to work, so that the connecting shaft 9 drives the support plate 7 to rotate downward, thereby realizing the quantitative feeding function of the coal blending slurry making device, avoiding excessive feeding inside the coal blending slurry making tank 4, which affects the working performance of the coal blending slurry making device;

[0023] A liquid inlet pipe 11 is fixedly connected to the upper side of the surface of the coal blending slurry tank body 4, a flow meter 12 is fixedly installed on the surface of the liquid inlet pipe 11, an electronic valve 13 is fixedly installed on the surface of the liquid inlet pipe 11 at the side of the flow meter 12, a motor 16 is arranged at the upper end of the coal blending slurry tank body 4, and a discharging mechanism 17 is arranged at the lower end of the coal blending slurry tank body 4. While feeding, the liquid inlet pipe 11 is controlled by the electronic valve 13 to add mixed media such as water, and the flow meter 12 is used in conjunction with the electronic valve 13 to detect and control the flow of the liquid inlet pipe 11, so as to accurately control the mixing ratio of the coal slurry raw materials, which is beneficial to improving the production and processing quality of the coal slurry.

[0024] During operation, firstly, raw materials are added to the upper feeding slot 6, and the weight of the raw materials inside the feeding slot 6 is weighed by the pressure sensor 8. When the pressure sensor 8 detects that the raw materials have reached a weight suitable for processing, a signal is sent to the control terminal, and the control terminal is used to drive the motor 10 to work, so that the connecting shaft 9 drives the support plate 7 to rotate downward, thereby realizing the quantitative feeding function of the coal blending and slurry making device, avoiding excessive feeding inside the coal blending and slurry making tank body 4, affecting the working performance of the coal blending and slurry making device, while feeding, the electronic valve 13 is used to control the liquid inlet pipe 11 to add mixed media such as water, and the flow meter 12 is used in conjunction with the electronic valve 13 to detect and control the flow of the liquid inlet pipe 11, so as to accurately control the mixing ratio of the coal slurry raw materials. When the coal blending and slurry making device is operating, the vibration generated on the coal blending and slurry making tank body 4 is transmitted to the shock absorber 2 through the support ring 3, thereby reducing the overall vibration amplitude and vibration intensity of the coal blending and slurry making device.

[0025] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A coal mixing and slurry making device at the head end of a long-distance coal transportation pipeline, comprising a base (1), characterized in that: A shock absorber (2) is fixedly mounted on the upper end of the base (1), a support ring (3) is fixedly mounted on the upper end of the shock absorber (2), a coal blending slurry tank body (4) is fixedly mounted on the inner surface of the support ring (3), a feeding pipe (5) is fixedly mounted on the left side of the upper end of the coal blending slurry tank body (4), a feeding notch (6) is fixedly connected to the upper end of the feeding pipe (5), a support plate (7) is arranged on the upper side of the interior of the feeding pipe (5), and the upper end of the support plate (7) is fixedly mounted on the upper side of the interior of the feeding pipe (5). A pressure sensor (8) is installed, the right end of the support plate (7) is fixedly connected to a connecting shaft (9), the front end of the connecting shaft (9) extends to the outside of the feeding pipe (5) and is fixedly installed with a motor 1 (10), the upper side of the surface of the coal blending slurry tank (4) is fixedly connected to a liquid inlet pipe (11), the surface of the liquid inlet pipe (11) is fixedly installed with a flow meter (12), and the surface of the liquid inlet pipe (11) is fixedly installed with an electronic valve (13) on the side of the flow meter (12).

2. The coal blending and slurry making device at the head end of a long-distance coal transportation pipeline according to claim 1 is characterized by: The base (1) is designed in an annular structure, and the shock absorbers (2) are distributed in an annular array.

3. The coal blending and slurry making device at the head end of a long-distance coal transportation pipeline according to claim 2 is characterized in that: A support foot (14) is fixedly mounted on the lower end of the base (1), and a shock-absorbing pad (15) is fixedly mounted on the lower end of the support foot (14).

4. The coal blending and slurry making device at the head end of a long-distance coal transportation pipeline according to claim 1 is characterized in that: The feeding notch (6) is designed to be funnel-shaped, and the support plate (7) and the feeding pipe (5) are adapted to each other.

5. The coal blending and slurry making device at the head end of a long-distance coal transportation pipeline according to claim 4, characterized in that: The connecting shaft (9) is rotatably connected to the feeding pipe (5), and the motor 1 (10) is fixedly connected to the feeding pipe (5).

6. The coal blending and slurry making device at the head end of a long-distance coal transportation pipeline according to claim 1, characterized in that: The upper end of the coal blending slurry making tank body (4) is provided with a second motor (16), and the lower end of the coal blending slurry making tank body (4) is provided with a discharge mechanism (17).

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