Mud ramming mechanism of hydraulic mud gun

Abstract

The utility model relates to the field of hydraulic clay guns, in particular to a hydraulic clay gun clay ramming mechanism which comprises a clay cylinder, a plug connected to the outer wall of one end of the clay cylinder and an injection nozzle connected to the outer wall of one end of the plug, an injection opening is formed in the outer wall of one end of the outer wall of the top of the clay cylinder, and the injection opening is connected with a conveying assembly. A driving assembly is mounted on the outer wall of one end of the mud cylinder; the driving assembly comprises a mounting shell mounted on the outer wall of one end of the mud cylinder, a mounting base mounted on the outer wall of one end of the mounting shell, and a hydraulic push rod mounted on the outer wall of the inner side of the mounting base. After the driving motor is started, the spiral stirring shaft is driven to stir raw materials, the spiral stirring shaft is in full contact with the raw materials to stir and mix the raw materials, the raw materials are prevented from being condensed, the humidity sensor detects the raw materials moderately, and the controller is matched with the humidity sensor to remind personnel to add water into the raw materials, keep the moderation of the raw materials and keep the functions of the raw materials. The use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic mud guns, in particular to a hydraulic mud gun mud beating mechanism. Background Art

[0002] Blast furnace mud gun, also known as hydraulic mud gun, is an essential furnace front equipment in the smelting industry. Its function is to quickly and accurately block the tap hole after iron is discharged, so that the blast furnace can quickly enter the next cycle of operation. The mud beating mechanism of the hydraulic mud gun is one of the most important equipment in blast furnace production. Once a failure occurs, it will cause the blast furnace to reduce air flow or stop air flow, affecting the normal production of the blast furnace.

[0003] In order to increase the iron output, the Iron and Steel Plant has set a very high pressure in the furnace. The original hydraulic mud cannon mud beating mechanism can no longer meet the requirements of plugging the iron mouth. If a larger hydraulic mud cannon mud beating machine is needed, the entire machine needs to be replaced, and the replacement hydraulic mud cannon mud beating machine needs to be customized, which leads to huge costs and inconvenience. Utility Model Content

[0004] The utility model aims to solve the above-mentioned problems and shortcomings and proposes a hydraulic mud gun mud beating mechanism: on the premise that the rear cantilever device of the hydraulic mud gun rotating mechanism remains unchanged, a new hydraulic mud gun is designed to reduce the replacement cost and ensure the use requirements of the blast furnace.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A hydraulic mud cannon mud beating mechanism comprises a mud cylinder, a plug connected to the outer wall at one end of the mud cylinder and an injection nozzle connected to the outer wall at one end of the plug, an injection port is provided on the outer wall at one end of the top outer wall of the mud cylinder, and the injection port is connected to a conveying assembly, and a driving assembly is installed on the outer wall at one end of the mud cylinder; the driving assembly comprises a mounting shell installed on the outer wall at one end of the mud cylinder, a mounting seat installed on the outer wall at one end of the mounting shell, a hydraulic push rod installed on the inner outer wall of the mounting seat and a stabilizing bar installed equidistantly on the outer wall at the other end of the hydraulic push rod.

[0007] Preferably, the outer wall of the other end of the stabilizer bar is installed on the inner wall of the mounting shell, and sliding holes are opened at the center of one end of the mud cylinder and the mounting shell, the hydraulic push rod output shaft is slidably connected in the sliding hole, and connecting plates are welded to the top outer walls of the mounting shell and the mud cylinder.

[0008] Preferably, a piston plate is installed on the outer wall of one end of the hydraulic push rod located on the inner wall of the mud cylinder, and an assembly groove is opened on the outer wall of one side of the piston plate, a scraper ring is installed in the assembly groove, and the outer wall of the scraper ring contacts the inner wall of the mud cylinder;

[0009] According to the above scheme: the contact area between the scraper ring and the outer diameter of the oil cylinder is increased to better prevent the gun mud residue in the mud cylinder cavity from entering the injection nozzle, reduce the residue, and facilitate wall scraping.

[0010] Preferably, the conveying assembly includes a stirring box, a spiral stirring shaft rotatably connected to the inner wall of the stirring box, a driving motor installed on the outer wall of the stirring box, and a mud pump installed at the bottom of the outer wall of one side of the stirring box.

[0011] Preferably, the output end of the mud pump is connected to a delivery pipe, and the other end of the delivery pipe is installed at the injection port, the input end of the mud pump is connected to the bottom of the inner wall of the mixing box, and a notch is provided on the outer wall of the spiral stirring shaft, and the output shaft of the drive motor is connected to one end of the spiral stirring shaft.

[0012] Preferably, a humidity sensor is installed on the inner wall of the mixing box, and a controller is installed on one side of the outer wall of the mixing box, and the humidity sensor is connected to the signal input end of the controller through a signal line;

[0013] According to the above scheme: after the driving motor is started, it drives the spiral stirring shaft to stir the raw materials. The spiral stirring shaft fully contacts the raw materials to stir and mix them to prevent the raw materials from condensing. The humidity sensor detects the suitability of the raw materials. The controller cooperates with the humidity sensor to remind personnel to add water to the raw materials to keep the raw materials appropriate and maintain the function of the raw materials for easy use.

[0014] Preferably, the driving motor, mud pump and hydraulic push rod are connected to the controller via a guide, and the controller is connected to the power supply via a guide.

[0015] The beneficial effects of the utility model are:

[0016] 1. After the drive motor is started, it drives the spiral stirring shaft to stir the raw materials. The spiral stirring shaft fully contacts the raw materials to stir and mix them to prevent the raw materials from condensing. The humidity sensor detects the appropriateness of the raw materials. The controller cooperates with the humidity sensor to remind the personnel to add water to the raw materials to keep the raw materials appropriate and maintain the function of the raw materials for easy use;

[0017] 2. Increase the contact area between the scraper ring and the outer diameter of the oil cylinder to better prevent the gun mud residue in the mud cylinder cavity from entering the injection nozzle, reduce the residue, and facilitate wall scraping. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a hydraulic mud gun mud beating mechanism proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the unfolded structure of a mixing box of a hydraulic mud cannon mud beating mechanism proposed in the utility model;

[0020] Figure 3 This is a schematic diagram of the hydraulic push rod structure of a hydraulic mud gun mud beating mechanism proposed by the utility model;

[0021] Figure 4The utility model discloses a schematic diagram of the cross-sectional structure of a piston plate of a hydraulic mud gun mud beating mechanism.

[0022] In the figure: 1 mud cylinder, 2 injection port, 3 plug, 4 injection nozzle, 5 mounting shell, 6 conveying assembly, 7 mounting seat, 8 stabilizer bar, 9 hydraulic push rod, 10 piston plate, 11 mixing box, 12 spiral mixing shaft, 13 driving motor, 14 mud pump, 15 conveying pipe, 16 connecting plate, 17 mud scraper ring, 18 controller, 19 humidity sensor. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Embodiment 1:

[0025] Reference Figure 1-4 , comprising a mud cylinder 1, a plug 3 connected to the outer wall of one end of the mud cylinder 1 and an injection nozzle 4 connected to the outer wall of one end of the plug 3, an injection port 2 is provided on the outer wall of one end of the top outer wall of the mud cylinder 1, and the injection port 2 is connected to a conveying component 6, and a driving component is installed on the outer wall of one end of the mud cylinder 1;

[0026] The driving assembly includes a mounting shell 5 mounted on the outer wall of one end of the mud cylinder 1, a mounting seat 7 mounted on the outer wall of one end of the mounting shell 5, a hydraulic push rod 9 mounted on the inner outer wall of the mounting seat 7, and a stabilizing rod 8 mounted equidistantly on the outer wall of the other end of the hydraulic push rod 9;

[0027] The outer wall of the other end of the stabilizing rod 8 is mounted on the inner wall of the mounting shell 5, and a sliding hole is opened at the center of one end of the mud cylinder 1 and the mounting shell 5, the output shaft of the hydraulic push rod 9 is slidably connected in the sliding hole, and the mounting shell 5 and the top outer wall of the mud cylinder 1 are welded with a connecting plate 16, so that the spiral stirring shaft 12 is fully in contact with the raw material for stirring and mixing to prevent the raw material from condensing, and the humidity sensor 19 detects the humidity of the raw material, and the controller 18 cooperates with the humidity sensor 19 to remind personnel to add water to the raw material to maintain the humidity of the raw material;

[0028] A piston plate 10 is installed on the outer wall of one end of the hydraulic push rod 9 located on the inner wall of the mud cylinder 1, and an assembly groove is opened on the outer wall of one side of the piston plate 10, in which a scraper ring 17 is installed, and the outer wall of the scraper ring 17 contacts the inner wall of the mud cylinder 1. After the transportation is completed, the hydraulic push rod 9 is started. After the hydraulic push rod 9 is started, the raw material is pushed to one end of the mud cylinder 1 through the piston plate 10, and the raw material enters the blast furnace through the injection nozzle 4. After the end, the piston plate 10 is retracted to its original position, ready for the second use.

[0029] Embodiment 2:

[0030] Reference Figure 1-2The conveying assembly 6 includes a mixing box 11, a spiral mixing shaft 12 rotatably connected to the inner wall of the mixing box 11, a driving motor 13 installed on the outer wall of the mixing box 11, and a mud pump 14 installed at the bottom of the outer wall of one side of the mixing box 11;

[0031] The output end of the mud pump 14 is connected to a delivery pipe 15, and the other end of the delivery pipe 15 is installed at the injection port 2. The input end of the mud pump 14 is connected to the bottom of the inner wall of the mixing box 11, and a notch is provided on the outer wall of the spiral stirring shaft 12. The output shaft of the driving motor 13 is connected to one end of the spiral stirring shaft 12.

[0032] A humidity sensor 19 is installed on the inner wall of the mixing box 11, and a controller 18 is installed on one side of the outer wall of the mixing box 11, and the humidity sensor 19 is connected to the signal input end of the controller 18 through a signal line. The humidity sensor 19 cooperates with the controller 18 to detect the humidity of the raw materials used for the mud gun, so as to avoid the raw materials from being too dry and wet, maintain the function of the raw materials, and remind personnel to replenish water in time;

[0033] The driving motor 13, the mud pump 14 and the hydraulic push rod 9 are connected to the controller 18 through the guide, and the controller 18 is connected to the power supply through the guide.

[0034] Working principle: When in use, the mud cylinder 1 and the mounting shell 5 are connected to the rear cantilever device of the rotary mechanism through the connecting plate 16. The rotary mechanism inserts the plug 3 and the injection nozzle 4 at one end of the mud cylinder 1 into the blast furnace, and the raw materials required for the mud cylinder are introduced into the mixing box 11. After the driving motor 13 is started, it drives the spiral stirring shaft 12 to stir the raw materials. The notch on the spiral stirring shaft 12 allows the raw materials to leak out during stirring, so that the spiral stirring shaft 12 is fully in contact with the raw materials for stirring and mixing to prevent the raw materials from condensing. The humidity sensor 19 detects the humidity of the raw materials. The controller 18 cooperates with the humidity sensor 19 to remind personnel to add water to the raw materials to maintain the humidity of the raw materials. After the mud pump 14 is started, the raw materials in the mixing box 11 are extracted and transported to the mud cylinder 1 through the conveying pipe 15. After the transportation is completed, the hydraulic push rod 9 is started. After the hydraulic push rod 9 is started, the raw materials are pushed to one end of the mud cylinder 1 through the piston plate 10, and the raw materials enter the blast furnace through the injection nozzle 4. After the end, the piston plate 10 is retracted to its original position and prepared for the second use.

[0035] On the premise that the rear cantilever device of the hydraulic mud gun slewing mechanism remains unchanged, a new hydraulic mud gun is designed: 1. The outer diameter and inner diameter of the mud cylinder 1 are increased to adapt to the enlargement of the size of the hydraulic push rod 9 inside it;

[0036] 2. In order to adapt to the production and operation of the ironmaking plant and to better adapt to the increased pressure in the blast furnace, the hydraulic mud gun mud cylinder size is designed to be larger, and the internal components of the mud cylinder are redesigned. Based on the current hydraulic pressure of 24MPa of the blast furnace equipment, the thrust is calculated to increase by 81.51 tons, which is about 27% higher pressure.

[0037] 3. The internal sealing design of the hydraulic push rod 9 changes the V-shaped combined sealing ring commonly used in the original standard hydraulic cylinder 9 to a heavy-duty Gly ring and adds a supporting ring for auxiliary support, so that the sealing area of ​​the sealing ring is increased and uniform, which not only plays a sealing role but also increases the supporting effect;

[0038] 4. Design and improve the new scraper ring 17 to increase the contact area between the scraper ring 17 and the outer diameter of the oil cylinder, so as to better prevent the gun mud residue in the cavity of the mud cylinder 1 from entering the injection nozzle 4;

[0039] 5. The piston rod in the hydraulic push rod 9 is changed from an integral part to a split assembly part, which brings great convenience in production and future maintenance, and saves repair costs.

[0040] The exemplary implementation of the utility model is described in detail with reference to the examples, however, it is understood by those skilled in the art that, without departing from the concept of the utility model, various modifications and alterations may be made to the above-mentioned specific embodiments, and various combinations of the various technical features and structures proposed in the utility model may be made without exceeding the scope of protection of the utility model, which is determined by the attached claims. The foregoing description of the specific exemplary implementation of the utility model is not intended to limit the utility model to the precise form disclosed, and it is obvious that many changes and variations can be made according to the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the utility model and its practical application, so that those skilled in the art can realize and utilize various different exemplary implementations of the utility model and various different choices and changes. The scope of the utility model is intended to be defined by the claims and their equivalents.

Claims

1. A hydraulic mud gun mud-beating mechanism, comprising a mud cylinder (1), a plug (3) connected to the outer wall of one end of the mud cylinder (1), and an injection nozzle (4) connected to the outer wall of one end of the plug (3), characterized in that: An injection port (2) is provided on the outer wall of one end of the top outer wall of the mud cylinder (1), and the injection port (2) is connected to a conveying component (6), and a driving component is installed on the outer wall of one end of the mud cylinder (1); The driving assembly comprises a mounting shell (5) mounted on the outer wall of one end of the mud cylinder (1), a mounting seat (7) mounted on the outer wall of one end of the mounting shell (5), a hydraulic push rod (9) mounted on the inner outer wall of the mounting seat (7), and a stabilizing rod (8) mounted equidistantly on the outer wall of the other end of the hydraulic push rod (9).

2. A hydraulic mud gun mud beating mechanism according to claim 1, characterized in that: The outer wall of the other end of the stabilizing rod (8) is mounted on the inner wall of the mounting shell (5), and a sliding hole is provided at the center of one end of the mud cylinder (1) and the mounting shell (5), the output shaft of the hydraulic push rod (9) is slidably connected in the sliding hole, and a connecting plate (16) is welded to the top outer wall of the mounting shell (5) and the mud cylinder (1).

3. A hydraulic mud gun mud-beating mechanism according to claim 1, characterized in that: A piston plate (10) is installed on the outer wall of one end of the hydraulic push rod (9) located on the inner wall of the mud cylinder (1), and an assembly groove is opened on the outer wall of one side of the piston plate (10), a mud scraper ring (17) is installed in the assembly groove, and the outer wall of the mud scraper ring (17) contacts the inner wall of the mud cylinder (1).

4. A hydraulic mud gun mud-beating mechanism according to claim 1, characterized in that: The conveying assembly (6) comprises a stirring box (11), a spiral stirring shaft (12) rotatably connected to the inner wall of the stirring box (11), a driving motor (13) mounted on the outer wall of the stirring box (11), and a mud pump (14) mounted on the bottom of the outer wall of one side of the stirring box (11).

5. A hydraulic mud gun mud beating mechanism according to claim 4, characterized in that: The output end of the mud pump (14) is connected to a delivery pipe (15), and the other end of the delivery pipe (15) is installed at the injection port (2). The input end of the mud pump (14) is connected to the bottom of the inner wall of the stirring box (11), and a notch is provided on the outer wall of the spiral stirring shaft (12). The output shaft of the driving motor (13) is connected to one end of the spiral stirring shaft (12).

6. A hydraulic mud gun mud-beating mechanism according to claim 4, characterized in that: A humidity sensor (19) is installed on the inner wall of the mixing box (11), and a controller (18) is installed on one side outer wall of the mixing box (11), and the humidity sensor (19) is connected to a signal input end of the controller (18) via a signal line.

7. A hydraulic mud gun mud beating mechanism according to claim 4, characterized in that: The driving motor (13), the mud pump (14) and the hydraulic push rod (9) are connected to the controller (18) via a guide, and the controller (18) is connected to a power source via a guide.

Images