Spiral deslagging structure of horizontal spiral centrifuge
By designing a spiral slag discharge structure in the horizontal screw centrifuge and utilizing a combination of a protective cover and spiral blades, the problems of slag accumulation on the inner wall of the discharge pipe and splashing of harmful substances are solved, thus achieving safe and efficient slag discharge treatment.
Patent Information
- Application Number
- CN202422552117.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-10-22
AI Technical Summary
The inner wall of the decanter centrifuge's slag discharge pipe is prone to accumulation of sticky waste residue, which is difficult to clean. In addition, harmful substances are easily volatilized and splashed during the slag discharge process, affecting the health of workers.
A spiral slag discharge structure is designed, including a protective cover, a sealing ring, an electric push rod and spiral blades. The sealing and inner wall cleaning of the slag discharge pipe are achieved through sealed docking and spiral cleaning, thereby preventing the volatilization and splashing of harmful substances.
The sealed docking of the slag discharge pipe is achieved to avoid splashing and volatilization of harmful substances, and the waste slag is cleaned by spiral blades, which improves cleaning efficiency and safety.
Smart Images
Figure CN223324738U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of horizontal screw centrifuges, in particular to a spiral slag discharge structure of a horizontal screw centrifuge. Background Art
[0002] The decanter centrifuge is a horizontal spiral unloading, continuously operating sedimentation equipment with the characteristics of compact structure, continuous operation, stable operation, strong adaptability, large production capacity, and easy maintenance. It is suitable for separating suspensions containing solid matter with a particle size greater than 0.005mm and a concentration range of 2-40%. It is widely used in chemical, light industry, pharmaceutical, food, environmental protection and other industries.
[0003] At present, the existing horizontal screw centrifuge lacks the cleaning function of the slag discharge pipe, which causes sticky waste residue to easily accumulate on the inner wall of the slag discharge pipe, making it difficult to clean and affecting the subsequent slag discharge. At the same time, some of the waste residue discharged by the horizontal screw centrifuge contains harmful substances, which are easy to volatilize and splash during the slag discharge process, affecting the health of the workers.
[0004] Therefore, in order to address the problem that sticky waste residue is easily accumulated on the inner wall of the slag discharge pipe of the above-mentioned horizontal screw centrifuge, which is difficult to clean, and harmful substances are easily volatilized and splashed during the slag discharge process, which affects the health of the workers, a spiral slag discharge structure of the horizontal screw centrifuge can be designed. By setting a bolt-type slag discharge structure, it is convenient to clean the inner wall of the slag discharge pipe. By setting a sealed collection bucket and a protective structure, the waste residue can be collected in a closed manner to avoid the volatilization and splashing of harmful substances. Utility Model Content
[0005] In order to overcome the problem that sticky waste residue is easily accumulated on the inner wall of the decanter centrifuge's slag discharge pipe, which is difficult to clean, and harmful substances are easily volatilized and splashed during the slag discharge process, which affects the health of the workers.
[0006] The technical solution of the utility model is: a spiral slag discharge structure of a horizontal screw centrifuge, comprising a slag discharge pipe, a protective cover is provided on the outer side of the lower end of the slag discharge pipe, a sealing ring is fixedly installed on the outer side of the lower end of the slag discharge pipe, electric push rods are provided on the left and right sides of the slag discharge pipe, a slag discharge box is provided at the lower end of the protective cover, a feed port is provided at the upper end of the slag discharge box, a universal wheel is provided at the lower end of the slag discharge box, a rotating seat is provided on the inner side of the slag discharge box, an electric push rod is provided on the upper end of the rotating seat, a rotating shaft is provided on the upper end of the electric push rod, a rotating shaft is provided, and a spiral blade is provided on the outer side of the rotating shaft.
[0007] Preferably, the protective cover is designed in a bucket-shaped structure, a sealing groove is opened on the inner side of the protective cover, and the lower end of the slag discharge pipe and the sealing groove are sealed and connected by a sealing ring, which facilitates shielding and protecting the lower end of the slag discharge pipe.
[0008] Preferably, the outer side of the protective cover and the lower end of the slag discharge pipe are slidably connected, the electric push rod 1 and the left and right sides of the slag discharge pipe are fixedly connected by ear plates, and the lower end of the electric push rod 1 and the left and right sides of the protective cover are fixedly connected by connecting plates, which facilitates the control of the lifting and sealing of the protective cover.
[0009] Preferably, a sealing door is detachably connected to the right side of the slag discharge box, an exhaust valve is connected to the side of the upper end of the slag discharge box, the feed port and the upper end of the slag discharge box are fixedly connected, and the upper end of the feed port and the lower end of the protective cover are connected by a stopper, which facilitates the sealed docking of the slag discharge box and the protective cover.
[0010] Preferably, a motor is fixedly mounted on the lower end of the slag discharge box, and the output end of the motor extends to the inner side of the slag discharge box and is fixedly connected to the lower end of the rotating seat, so as to facilitate the control of the rotation of the rotating seat.
[0011] Preferably, the lower end of the second electric push rod is fixedly connected to the upper end of the rotating seat, and the upper end of the second electric push rod is fixedly connected to the lower end of the rotating shaft through a connecting block, which is convenient for controlling the lifting and lowering of the rotating shaft.
[0012] Preferably, the spiral blade is fixedly connected to the outer side of the rotating shaft, and the spiral blade and the inner side of the slag discharge pipe are adapted to each other, so as to facilitate cleaning of the inner side of the slag discharge pipe.
[0013] Beneficial effects of the utility model:
[0014] 1. The spiral slag discharge structure of the horizontal screw centrifuge uses the electric push rod to drive the protective cover to descend, so that the feed port is engaged with the lower end of the protective cover. At the same time, the sealing ring is engaged with the sealing groove inside the protective cover to achieve a sealed connection between the slag discharge pipe and the slag discharge box, avoiding the splashing and volatilization of harmful substances.
[0015] 2. The spiral slag discharge structure of the horizontal screw centrifuge drives the rotating shaft and spiral blades into the inner side of the slag discharge pipe through the electric push rod 2, and the rotating seat and spiral blades are driven by the motor to rotate, so that the spiral blades scrape the waste residue on the inner wall of the slag discharge pipe and guide it into the slag discharge box for unified collection, thereby realizing the cleaning of the slag discharge pipe and the centralized collection of waste residue, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 Shown is a schematic diagram of the three-dimensional structure of the spiral slag discharge structure of the horizontal screw centrifuge of the present invention;
[0017] Figure 2 Shown is a schematic diagram of the three-dimensional structure of the slag discharge pipe and protective cover of the utility model;
[0018] Figure 3 The three-dimensional structure diagram of the slag box of the utility model is shown Figure 1 ;
[0019] Figure 4The three-dimensional structure diagram of the slag box of the utility model is shown Figure 2 ;
[0020] Figure 5 Shown is a schematic diagram of the cross-sectional three-dimensional structure of the spiral slag discharge structure of the horizontal screw centrifuge of the present invention.
[0021] Explanation of the accompanying symbols: 1. Slag discharge pipe; 2. Protective cover; 21. Sealing groove; 3. Sealing ring; 4. Electric push rod 1; 5. Slag discharge box; 51. Sealing door; 52. Exhaust valve; 6. Feed port; 7. Universal wheel; 8. Rotating seat; 81. Motor; 9. Electric push rod 2; 10. Rotating shaft; 11. Spiral blade. DETAILED DESCRIPTION
[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0023] Please refer to ( Figure 1-Figure 5 ), the utility model provides an embodiment: a spiral slag discharge structure of a horizontal screw centrifuge, comprising a slag discharge pipe 1, a protective cover 2 is provided on the outer side of the lower end of the slag discharge pipe 1, a sealing ring 3 is fixedly installed on the outer side of the lower end of the slag discharge pipe 1, electric push rods 4 are provided on the left and right sides of the slag discharge pipe 1, a slag discharge box 5 is provided at the lower end of the protective cover 2, a feed port 6 is provided at the upper end of the slag discharge box 5, a universal wheel 7 is provided at the lower end of the slag discharge box 5, a rotating seat 8 is provided on the inner side of the slag discharge box 5, an electric push rod 9 is provided on the upper end of the rotating seat 8, a rotating shaft 10 is provided on the upper end of the electric push rod 9, and a spiral blade 11 is provided on the outer side of the rotating shaft 10.
[0024] Please refer to ( Figures 1-4 ), in this embodiment, the protective cover 2 is designed in a bucket-shaped structure, a sealing groove 21 is opened on the inner side of the protective cover 2, the lower end of the slag discharge pipe 1 and the sealing groove 21 are sealed by a sealing ring 3, the protective cover 2 and the outer side of the lower end of the slag discharge pipe 1 are slidably sleeved, the electric push rod 1 4 and the left and right sides of the slag discharge pipe 1 are fixedly connected by ear plates, the lower end of the electric push rod 1 4 and the left and right sides of the protective cover 2 are fixedly connected by connecting plates, the right side of the slag discharge box 5 is detachably connected with a sealing door 51, the slag discharge box 5 The side of the upper end is connected to an exhaust valve 52, the feed port 6 and the upper end of the slag discharge box 5 are fixedly connected, the upper end of the feed port 6 and the lower end of the protective cover 2 are connected by a stopper, and the slag discharge box 5 is moved to the lower end of the protective cover 2, and the electric push rod 4 is controlled to work to drive the protective cover 2 to descend, so that the feed port 6 is engaged with the lower end of the protective cover 2, and at the same time, the sealing ring 3 is engaged with the sealing groove 21 on the inner side of the protective cover 2 to achieve sealed docking between the slag discharge pipe 1 and the slag discharge box 5 to avoid splashing and volatilization of harmful substances.
[0025] Please refer to ( Figure 3-Figure 5), in this embodiment, the lower end of the slag box 5 is fixedly installed with a motor 81, the output end of the motor 81 extends to the inner side of the slag box 5, and is fixedly connected to the lower end of the rotating seat 8, the lower end of the electric push rod 29 is fixedly connected to the upper end of the rotating seat 8, the upper end of the electric push rod 29 and the lower end of the rotating shaft 10 are fixedly connected through a connecting block, the spiral blade 11 is fixedly connected to the outer side of the rotating shaft 10, the spiral blade 11 and the inner side of the slag discharge pipe 1 are adapted to each other, the rotating shaft 10 and the spiral blade 11 are driven to rise into the inner side of the slag discharge pipe 1 by the electric push rod 29, and the rotating seat 8 and the spiral blade are driven by the motor 81. The piece 11 rotates, so that the spiral blade 11 scrapes the waste slag on the inner wall of the slag discharge pipe 1, and introduces it into the slag discharge box 5 for unified collection, thereby realizing the cleaning of the slag discharge pipe 1 and the centralized collection of the waste slag. After the slag discharge is completed, the spiral blade 11 is controlled to reset to the inside of the slag discharge box, and the exhaust valve 52 is connected to the waste gas treatment pipeline to facilitate the unified treatment of the waste gas. After the waste gas treatment is completed, the protective cover 2 is driven to rise by the electric push rod 14, and the slag discharge box 5 can be pulled to drive the universal wheel 7 to roll, detach from the lower end of the protective cover 2, and move to the appropriate position to open the sealing door 51, so as to facilitate the centralized treatment of the waste slag.
[0026] When working, move the slag box 5 to the lower end of the protective cover 2, control the electric push rod 1 4 to work and drive the protective cover 2 to descend, so that the feed port 6 is engaged with the lower end of the protective cover 2, and at the same time, the sealing ring 3 is engaged with the sealing groove 21 inside the protective cover 2 to achieve the sealed docking of the slag pipe 1 and the slag box 5 to avoid splashing and volatilization of harmful substances. The electric push rod 2 9 drives the rotating shaft 10 and the spiral blade 11 to rise into the inside of the slag pipe 1, and the motor 81 drives the rotating seat 8 and the spiral blade 11 to rotate, so that the spiral blade 11 is aligned with the slag pipe 1. The waste residue on the inner wall is scraped off and introduced into the slag discharge box 5 for unified collection, so as to realize the cleaning of the slag discharge pipe 1 and the centralized collection of waste residue. After the slag discharge is completed, the spiral blade 11 is controlled to reset to the inside of the slag discharge box, and the exhaust valve 52 is connected to the waste gas treatment pipeline to facilitate the unified treatment of the waste gas. After the waste gas treatment is completed, the protective cover 2 is driven to rise by the electric push rod 4, and the slag discharge box 5 can be pulled to drive the universal wheel 7 to roll, detach from the lower end of the protective cover 2, and move to the appropriate position to open the sealing door 51, so as to facilitate the centralized treatment of the waste residue.
[0027] Through the above steps, the feed port 6 is engaged with the lower end of the protective cover 2, and the sealing ring 3 is engaged with the sealing groove 21 on the inner side of the protective cover 2, so as to realize the sealed docking between the slag discharge pipe 1 and the slag discharge box 5. The electric push rod 2 9 drives the rotating shaft 10 and the spiral blade 11 to rise into the inner side of the slag discharge pipe 1, and the motor 81 drives the rotating seat 8 and the spiral blade 11 to rotate, so that the spiral blade 11 scrapes the waste residue on the inner wall of the slag discharge pipe 1 to solve the problem that the inner wall of the slag discharge pipe of the horizontal screw centrifuge is prone to accumulation of sticky waste residue, which is difficult to clean, and harmful substances are prone to volatilization and splashing during the slag discharge process, which affects the health of the staff.
Claims
1. A spiral slag discharge structure for a horizontal screw centrifuge, comprising a slag discharge pipe (1), characterized in that: A protective cover (2) is provided on the outer side of the lower end of the slag discharge pipe (1), a sealing ring (3) is fixedly installed on the outer side of the lower end of the slag discharge pipe (1), an electric push rod (4) is provided on the left and right sides of the slag discharge pipe (1), a slag discharge box (5) is provided on the lower end of the protective cover (2), a feed port (6) is provided on the upper end of the slag discharge box (5), a universal wheel (7) is provided on the lower end of the slag discharge box (5), a rotating seat (8) is provided on the inner side of the slag discharge box (5), an electric push rod (9) is provided on the upper end of the rotating seat (8), a rotating shaft (10) is provided on the upper end of the electric push rod (9), and a spiral blade (11) is provided on the outer side of the rotating shaft (10).
2. The spiral slag discharge structure of a horizontal screw centrifuge according to claim 1, characterized in that: The protective cover (2) is designed as a bucket-shaped structure. A sealing groove (21) is provided on the inner side of the protective cover (2). The lower end of the slag discharge pipe (1) and the sealing groove (21) are sealed and connected via a sealing ring (3).
3. The spiral slag discharge structure of a horizontal screw centrifuge according to claim 1, characterized in that: The outer sides of the protective cover (2) and the lower end of the slag discharge pipe (1) are slidably sleeved, the electric push rod (4) and the left and right sides of the slag discharge pipe (1) are fixedly connected through ear plates, and the lower end of the electric push rod (4) and the left and right sides of the protective cover (2) are fixedly connected through connecting plates.
4. The spiral slag discharge structure of a decanter centrifuge according to claim 1, characterized in that: The right side of the slag discharge box (5) is detachably connected to a sealing door (51), the side of the upper end of the slag discharge box (5) is connected to an exhaust valve (52), the feed port (6) and the upper end of the slag discharge box (5) are fixedly connected, and the upper end of the feed port (6) and the lower end of the protective cover (2) are connected by a stopper.
5. The spiral slag discharge structure of a decanter centrifuge according to claim 1, characterized in that: A motor (81) is fixedly mounted on the lower end of the slag discharge box (5), and an output end of the motor (81) extends to the inner side of the slag discharge box (5) and is fixedly connected to the lower end of the rotating seat (8).
6. The spiral slag discharge structure of a decanter centrifuge according to claim 1, characterized in that: The lower end of the second electric push rod (9) is fixedly connected to the upper end of the rotating seat (8), and the upper end of the second electric push rod (9) is fixedly connected to the lower end of the rotating shaft (10) through a connecting block.
7. The spiral slag discharge structure of a decanter centrifuge according to claim 1, characterized in that: The spiral blade (11) is fixedly connected to the outer side of the rotating shaft (10), and the spiral blade (11) and the inner side of the slag discharge pipe (1) are adapted to each other.