Adjusting device for pulverized coal fineness combustion

Abstract

The utility model relates to the technical field of coal processing, in particular to an adjusting device for pulverized coal fineness combustion, which comprises a main body, the top end of the main body is fixedly connected with a feeding hopper, the bottom end of the feeding hopper is provided with a grinding mechanism in a matched manner, an adjusting component is fixedly arranged below the grinding mechanism, and the bottom end of the main body is fixedly connected with a base. A discharging bottom cavity is formed in the base, a feeding mechanism is embedded in the discharging bottom cavity, the adjusting assembly comprises an adjusting seat body and an outer connecting plate which are arranged in a matched mode, and an adjusting sieve plate is fixedly connected to the surface of the adjusting seat body. The effect of fineness screening and discharging of pulverized coal is achieved by adjusting a sieve plate, the effect of controlling the discharging amount of the pulverized coal is achieved through an adjusting plate arranged to be a corrugated plate, and the effect of facilitating connection and installation of the whole outer connecting plate and the adjusting seat body is achieved through an installation opening. The effect of simultaneously connecting the adjusting seat main body and the collecting chamber is achieved through the outer connecting plate, and the effect of controlling the adjusting plate is achieved through the driving rod.

Description

Technical Field

[0001] This utility model relates to the technical field of coal processing, specifically to an adjustment device for the fineness of coal powder combustion. Background Technology

[0002] In the coal processing and production process, coal ore needs to be crushed and ground to facilitate its use in power plants or heating boilers, and ball mills are a commonly used piece of equipment for crushing and grinding coal ore.

[0003] Ball mills utilize adjustable grinding blocks in conjunction with adjustable base plates or adjustable seats to perform preliminary fineness adjustment of coal, while simultaneously cooperating with air classification to complete the screening and discharge of coal powder. However, in actual use, existing equipment cannot further adjust the coal powder discharge rate using air classification, which reduces production efficiency and prevents further fineness adjustment of the discharged coal powder.

[0004] Therefore, this utility model proposes an adjustment device for the fineness of pulverized coal combustion. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides an adjusting device for pulverized coal fineness combustion, which can solve the following problems:

[0006] The existing equipment, in actual use, cannot further adjust the coal powder discharge rate through air separation, which reduces production efficiency and prevents further fineness adjustment of the discharged coal powder.

[0007] To solve the above-mentioned technical problems, the present invention proposes the following technical solution:

[0008] A device for adjusting the fineness of pulverized coal combustion includes a main body, a feed hopper fixedly connected to the top of the main body, a grinding mechanism provided at the bottom of the feed hopper, an adjusting component fixedly installed below the grinding mechanism, a base fixedly connected to the bottom of the main body, a discharge cavity opened inside the base, a feeding mechanism embedded in the discharge cavity, and an adjusting component including an adjusting seat body and an outer connecting plate. An adjusting screen plate is fixedly connected to the surface of the adjusting seat body, an adjusting plate is movably installed on the surface of the adjusting screen plate, a driving rod is fixedly connected to the surface of the outer connecting plate, the driving rod is also fixedly connected to the adjusting plate, a guide port is opened on the surface of the outer connecting plate, an installation opening is opened on the surface of the adjusting seat body, the outer connecting plate is embedded in the installation opening, and a collection chamber is provided on the outer side of the adjusting seat body, with the collection chamber located on both sides inside the main body.

[0009] Furthermore, the main body of the regulating seat is arranged in an inverted trapezoidal shape, with its top flared outwards and its bottom vertically positioned. The interior is divided into a screening chamber and a recycling chamber, with the recycling chamber located in the discharge bottom cavity. The recycling chamber has shaft holes on both sides corresponding to the feeding mechanism, which are connected to the discharge bottom cavity.

[0010] Furthermore, the discharge chamber is opened laterally, and the feeding mechanism is also set laterally, with its movement passing through the shaft holes on both sides of the bottom recovery chamber of the regulating seat body.

[0011] Furthermore, there are two sets of adjusting screen plates, which are inclined along the inner walls of both sides of the main body of the adjusting seat, and the adjusting screen plates are set as triangular plates, with their rear ends protruding on both sides of the screening chamber in the main body of the adjusting seat.

[0012] Furthermore, the adjusting plate is configured as a triangular plate corresponding to the adjusting screen plate, with its rear end protruding on the surface of the adjusting screen plate, and the adjusting plate is configured as a longitudinal striped wave plate.

[0013] Furthermore, the installation openings are triangularly shaped and located on both sides of the back of the main body of the adjustment seat. The outer connecting plate is rectangular in shape and is located on the outer side of the back of the main body of the adjustment seat. It is also attached to the inner wall of the main body. The inner end of the outer connecting plate is fitted into the installation opening, and the outer end surface of the outer connecting plate is fixedly connected to the back of the collection chamber.

[0014] Furthermore, the drive rod is set as an electric telescopic rod, with two sets distributed vertically along the diagonal position of the outer connecting plate. The inner ends of the rods are fixedly connected to the back of the adjustment plate. The guide port is opened at an angle along the diagonal position of the outer connecting plate and is located between the two sets of drive rods.

[0015] Furthermore, a connecting hose is provided outside the flow outlet, which is connected to an external airflow delivery device.

[0016] Furthermore, the collection chamber is trapezoidal in shape, and its inner end surface is sealed to the outer side of the adjustment seat body by a set of rectangular sealing covers.

[0017] As can be seen from the above technical solution, the beneficial effects of this utility model are:

[0018] 1. This utility model achieves the effect of fine screening of coal powder and collection of large coal powder particles by adjusting the main body of the seat, and achieves the effect of discharging the collected large coal powder particles outward by the discharge bottom cavity and the feeding mechanism.

[0019] 2. This utility model achieves the effect of fine screening and discharge of coal powder by adjusting the sieve plate, and achieves the effect of controlling the amount of coal powder discharged by adjusting the plate which is set as a corrugated plate.

[0020] 3. This utility model achieves the effect of facilitating the connection and installation of the outer connecting plate and the main body of the regulating seat through the installation opening; it also achieves the effect of simultaneously connecting the main body of the regulating seat and the collection chamber through the outer connecting plate; it achieves the effect of controlling the regulating plate through the drive rod; and it achieves the effect of air separation of the coal powder entering the main body of the regulating seat through the guide port.

[0021] 4. This utility model achieves the effect of collecting pulverized coal that has passed through screening through a collection chamber. Attached Figure Description

[0022] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0023] Figure 1 This is a front view of the overall structure of this utility model;

[0024] Figure 2 This is a front view of the internal structure connection of the adjustment component in this utility model;

[0025] Figure 3 This is an exploded view of the connection structure of the adjustment component in this utility model;

[0026] Figure 4 In this utility model Figure 3 Enlarged view of the structure at point A in the middle.

[0027] Figure label:

[0028] 1. Main body; 2. Feed hopper; 3. Grinding mechanism; 4. Adjustment component; 5. Discharge chamber; 6. Feeding mechanism; 7. Adjustment seat main body; 8. External connecting plate; 9. Adjustment screen plate; 10. Guide port; 11. Collection chamber; 12. Base; 13. Drive rod; 14. Mounting opening; 15. Adjustment plate. Detailed Implementation

[0029] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0030] See Figure 1-4As shown, a coal powder fineness adjustment device includes a main body 1. A feed hopper 2 is fixedly connected to the top of the main body 1. A grinding mechanism 3 is provided at the bottom of the feed hopper 2. An adjustment component 4 is fixedly provided below the grinding mechanism 3. A base 12 is fixedly connected to the bottom of the main body 1. A discharge cavity 5 is opened inside the base 12. A feeding mechanism 6 is embedded in the discharge cavity 5. The adjustment component 4 includes an adjustment seat body 7 and an outer connecting plate 8. An adjustment screen plate 9 is fixedly connected to the surface of the adjustment seat body 7. An adjustment plate 15 is movably provided on the surface of the adjustment screen plate 9. A drive rod 13 is fixedly connected to the surface of the outer connecting plate 8. The drive rod 13 is also fixedly connected to the adjustment plate 15. A guide port 10 is opened on the surface of the outer connecting plate 8. An installation opening 14 is opened on the surface of the adjustment seat body 7. The outer connecting plate 8 is embedded in the installation opening 14. A collection chamber 11 is provided on the outside of the adjustment seat body 7. The collection chamber 11 is located on both sides inside the main body 1.

[0031] In this embodiment of the utility model, the main body 7 of the adjusting seat is generally arranged in an inverted trapezoidal shape, with its top flared outward and its bottom vertical. The upper and lower parts of its interior are respectively arranged as a screening chamber and a recovery chamber. The recovery chamber is located in the discharge bottom cavity 5, and the shaft holes of the feeding mechanism 6 are opened on both sides of the recovery chamber, which are connected to the discharge bottom cavity 5. The discharge bottom cavity 5 is opened horizontally, and the feeding mechanism 6 is also arranged horizontally. Its movement is through the shaft holes on both sides of the recovery chamber at the bottom of the adjusting seat body 7. The adjusting seat body 7 achieves the effect of fine screening of coal powder and collection of large coal powder particles at the same time. The discharge bottom cavity 5 and the feeding mechanism 6 achieve the effect of discharging the collected large coal powder particles outward.

[0032] During fine screening, large coal particles fall into the recovery chamber in the regulating seat body 7. With the start of the feeding mechanism 6, the large coal particles are transported outward.

[0033] Two sets of adjusting screen plates 9 are provided, which are inclined along the inner walls of both sides of the adjusting seat body 7. The adjusting screen plates 9 are triangular plates, and their rear ends are protruding on both sides of the screening chamber in the adjusting seat body 7. The adjusting plate 15 is a triangular plate corresponding to the adjusting screen plates 9, and its rear end is protruding on the surface of the adjusting screen plates 9. The adjusting plate 15 is a longitudinal striped corrugated plate. The adjusting screen plates 9 are used to achieve the effect of fine screening and discharge of coal powder. The adjusting plate 15, which is a corrugated plate, is used to control the amount of coal powder discharged.

[0034] The installation opening 14 is triangularly formed on both sides of the back of the regulating seat body 7. The outer connecting plate 8 is rectangular in shape and is located on the outer side of the back of the regulating seat body 7, while also fitting against the inner wall of the body 1. The inner end of the outer connecting plate 8 is fitted into the installation opening 14, and the outer surface of the outer connecting plate 8 is fixedly connected to the back of the collection chamber 11. The drive rod 13 is an electric telescopic rod, with two sets distributed vertically along the diagonal of the outer connecting plate 8. Its inner end is fixedly connected to the back of the regulating plate 15. The guide port 10 is located along the outer connecting plate. The surface of the 8 is diagonally inclined and located between the two sets of drive rods 13. A connecting hose is provided outside the guide port 10. The connecting hose is connected to the external airflow conveying equipment. The installation opening 14 facilitates the connection and installation of the outer connecting plate 8 and the regulating seat body 7. The outer connecting plate 8 connects the regulating seat body 7 and the collection chamber 11 at the same time. The drive rod 13 controls the regulating plate 15. The guide port 10 enables the air separation operation of the coal powder entering the regulating seat body 7.

[0035] After being ground by the grinding mechanism 3, the coal powder enters the regulating seat body 7. At this time, the guide port 10 delivers external airflow into the regulating seat body 7 to perform air separation on the falling coal powder. The coal powder driven by the airflow passes through the regulating screen plate 9 for fine screening. The coal powder that passes through enters the collection chamber 11 for collection, while the coal powder that does not pass through is collected into the discharge bottom cavity 5. During this process, the drive rod 13 is activated, pushing the regulating plate 15 to control and cover the surface of the regulating screen plate 9, thereby controlling the screening and discharge amount of coal powder and achieving the adjustment effect.

[0036] The collection chamber 11 is trapezoidal in shape, and its inner end surface is sealed to the outer side of the regulating seat body 7 by a set of rectangular sealing covers. The collection chamber 11 achieves the effect of collecting the coal powder that has passed through screening.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

Claims

1. A device for adjusting the fineness of pulverized coal combustion, comprising a main body (1), a feed hopper (2) fixedly connected to the top of the main body (1), and a grinding mechanism (3) provided at the bottom of the feed hopper (2), characterized in that: An adjustment component (4) is fixedly installed below the grinding mechanism (3). A base (12) is fixedly connected to the bottom end of the main body (1). A discharge cavity (5) is opened inside the base (12). A feeding mechanism (6) is embedded in the discharge cavity (5). The adjustment component (4) includes a matching adjustment seat body (7) and an outer connecting plate (8). An adjustment screen plate (9) is fixedly connected to the surface of the adjustment seat body (7). An adjustment plate (15) is movably installed on the surface of the adjustment screen plate (9). A drive rod (13) is fixedly connected to the surface of the outer connecting plate (8). The drive rod (13) is also fixedly connected to the adjustment plate (15). A guide port (10) is opened on the surface of the outer connecting plate (8). An installation opening (14) is opened on the surface of the adjustment seat body (7). The outer connecting plate (8) is embedded in the installation opening (14). A collection chamber (11) is provided on the outside of the adjustment seat body (7). The collection chamber (11) is located on both sides inside the main body (1).

2. A regulating device for the combustion of coal dust fineness according to claim 1, characterized in that: The main body (7) of the adjustment seat is generally arranged in an inverted trapezoidal shape, with its top being outwardly flared and its bottom being vertically oriented. The upper and lower parts of its interior are respectively set as a screening chamber and a recycling chamber. The recycling chamber is located in the discharge bottom cavity (5) and the two sides of the recycling chamber are provided with shaft holes corresponding to the feeding mechanism (6) and are connected to the discharge bottom cavity (5).

3. The device for adjusting the fineness of pulverized coal combustion according to claim 1, characterized in that: The discharge chamber (5) is opened laterally, and the feeding mechanism (6) is also set laterally, with its movement passing through the shaft holes on both sides of the bottom recovery chamber of the adjustment seat body (7).

4. The adjusting device for the combustion of coal dust fineness according to claim 1, characterized in that: The adjusting screen plate (9) is provided in two sets, which are inclined along the inner walls of both sides of the adjusting seat body (7), and the adjusting screen plate (9) is set as a triangular plate, with its rear end protruding on both sides of the screening chamber in the adjusting seat body (7).

5. The regulating device for the combustion of coal dust fineness according to claim 1, characterized in that: The adjusting plate (15) is set as a triangular plate corresponding to the adjusting screen plate (9), and its rear end is raised on the surface of the adjusting screen plate (9). The adjusting plate (15) is set as a longitudinal striped wave plate.

6. The regulating device for the combustion of coal dust fineness according to claim 1, characterized in that: The installation opening (14) is triangularly opened on both sides of the back of the adjustment seat body (7). The outer connecting plate (8) is a rectangular plate, located on the outer side of the back of the adjustment seat body (7) and attached to the inner wall of the body (1). The inner end of the outer connecting plate (8) is fitted with the installation opening (14), and the outer end surface of the outer connecting plate (8) is fixedly connected to the back of the collection chamber (11).

7. The regulating device for the combustion of coal dust fineness according to claim 1, characterized in that: The drive rod (13) is configured as an electric telescopic rod, with two sets distributed vertically along the diagonal position of the outer connecting plate (8). Its inner end is fixedly connected to the back of the adjustment plate (15). The guide port (10) is opened at an angle along the diagonal position of the outer connecting plate (8) and is located between the two sets of drive rods (13).

8. A regulating device for the combustion of coal dust fineness according to claim 7, characterized in that: The guide port (10) is equipped with a connecting hose, which is connected to an external airflow conveying device.

9. The regulating device for the combustion of coal dust fineness according to claim 1, characterized in that: The collection chamber (11) is trapezoidal in shape, and its inner end surface and the outer side of the adjustment seat body (7) are sealed together by a set of rectangular sealing covers.

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