Flue gas monitoring device for clinker sintering rotary kiln
By designing a flue gas monitoring device for clinker calcination rotary kilns with components such as gas collection tanks, filter frames, and gas mixing frames, the problems of low pollutant treatment efficiency and inconvenient filter element maintenance in existing devices have been solved, achieving efficient flue gas monitoring and rapid filter element replacement.
Patent Information
- Application Number
- CN202422927897.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-29
AI Technical Summary
The existing flue gas monitoring device for clinker calcination rotary kilns cannot efficiently handle pollutants when monitoring in a straight line, and the filter structure is difficult to quickly replace and maintain, resulting in the equipment failing to meet daily usage requirements.
A device was designed that includes components such as a gas collection tank, a filter frame, a gas mixing frame, a flue gas monitoring instrument body, a gas guide valve seat, a gas guide pipe, and a return seat, to achieve efficient filtration and return operation of flue gas, and to support quick replacement and maintenance of the filter element.
It achieves efficient filtration and recirculation of flue gas, supports quick filter replacement while the equipment is running, and improves the efficiency and ease of maintenance of the equipment.
Smart Images
Figure CN223525531U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to rotary kiln flue gas monitoring technical field, concretely is a clinker firing rotary kiln flue gas monitoring device. BACKGROUND
[0002] Rotary kiln refers to the rotary calcining kiln, appearance is similar to the rotating bed, also called rotating bed kiln, belongs to building material equipment class, rotary kiln can be divided into cement kiln, metallurgical chemical kiln and lime kiln according to the different processing materials, cement kiln is mainly used for calcining cement clinker, divides dry method production cement kiln and wet method production cement kiln two big categories, metallurgical chemical kiln is mainly used for magnetization roasting of lean iron ore in steel plant, oxidation roasting of chromium, nickel iron ore, roasting high alumina bauxite in refractory plant and roasting clinker, aluminum hydroxide in aluminum plant, roasting chromium sand and chromium ore powder and other minerals in chemical plant, lime kiln is used for roasting active lime and light-burned dolomite in steel plant and ferroalloy plant.
[0003] For example, the patent file with the announcement number CN 218723058 U discloses a clinker firing rotary kiln flue gas monitoring device. Its technical scheme includes: rotary kiln body, flue gas monitoring analyzer and shell, the top end surface of the rotary kiln body is welded with the shell, the bottom end surface of the rotary kiln body is welded with the fixed frame, and the bottom end surface of the fixed frame is welded with the base, the side end surface of the shell is embedded with the fixed pipe, and the inner wall of the fixed pipe is installed with the fan, the side end surface of the fixed pipe is embedded with the gas outlet pipe, one end of the gas outlet pipe away from the fixed pipe is embedded in the rotary kiln body, and the valve is installed on the gas outlet pipe through the flange plate, the inner wall of the shell is welded with the first box body, the second box body and the third box body, the bottom end surface of the flue gas monitoring analyzer is provided with the wire, the inner wall of the third box body is welded with the filter screen, and the inner wall of the second box body is provided with the filter core. The utility model satisfies flue gas monitoring, and is convenient to use and operate.
[0004] However, when the structure is used for actual clinker firing rotary kiln flue gas monitoring, due to the limitation of its own structure, it can usually only be used for straight-line direction flue gas monitoring operation, when the monitored flue gas has many pollutants, it is often necessary to directly close the running clinker firing rotary kiln, and then manually perform flue gas extraction treatment operation, which cannot efficiently complete flue gas reflux operation, and the filter structure of the equipment cannot be quickly replaced and maintained, which cannot meet the daily use demand, therefore, it is urgent to design a clinker firing rotary kiln flue gas monitoring device to solve the above problems. SUMMARY
[0005] The utility model discloses a purpose lies in providing a kind of clinker firing rotary kiln flue gas monitoring device, to solve the structure in the above background art in the actual clinker firing rotary kiln flue gas monitoring use, due to the limitation of its structure, usually only go to the flue gas monitoring operation of straight direction, when monitoring place flue gas exists more problems of pollutant, often need to directly close the clinker firing rotary kiln of operation, then manually go to the flue gas extraction processing operation, cannot efficiently complete the reflux operation of flue gas, and the filter structure of equipment cannot carry out the quick replacement maintenance operation, cannot satisfy the daily use demand problem.
[0006] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of clinker firing rotary kiln flue gas monitoring device, including gas collecting tank, the both ends of the gas collecting tank are fixedly connected with filter frame, the both ends of the filter frame are fixedly connected with gas mixing frame, the one end of the gas collecting tank is provided with first rotary kiln body by filter frame and gas mixing frame, the other end of the gas collecting tank is provided with second rotary kiln body by filter frame and gas mixing frame;
[0007] leeward frame, the back of the gas collecting tank is fixedly connected with flue gas monitor body, the inside of the flue gas monitor body is provided with flue gas monitor body, the back of the flue gas monitor body is provided with exhaust valve seat.
[0008] Preferably, the inside of the flue gas monitor body is provided with gas guide valve seat, the both sides of the gas guide valve seat are fixedly connected with gas guide pipe.
[0009] Preferably, one end of the gas guide pipe is fixedly connected with reflux seat, the inside of the reflux seat is provided with pressure pump.
[0010] Preferably, the inside of the gas mixing frame is provided with air uniform ring seat, the inside of the air uniform ring seat is provided with air uniform grille.
[0011] Preferably, the inside of the filter frame is movably connected with pumping frame, the upper and lower ends of the pumping frame are fixedly connected with arc-shaped clamping cover.
[0012] Preferably, the interface of the arc-shaped clamping cover and filter frame upper and lower is provided with positioning magnetic attraction strip, the inside of the pumping frame is provided with flue gas filter core body.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] This clinker calcination rotary kiln flue gas monitoring device, through its assembly of a gas collection tank, filter frame, mixing frame, first rotary kiln body, second rotary kiln body, backwind frame, flue gas monitoring instrument body, exhaust valve seat, guide valve seat, guide pipe, reflux seat, pressurizing pump, uniform air ring seat, and uniform air grid, enables the equipment to more efficiently complete the reflux operation of unfiltered flue gas when monitoring the flue gas of the clinker calcination rotary kiln. In actual use, the operator first connects the first and second rotary kiln bodies at both ends of the gas collection tank through the filter frame and mixing frame, respectively. Then, the clinker calcination process inside the first and second rotary kiln bodies... The flue gas is filtered separately from the filter racks at both ends of the gas collection tank before being collected inside the gas collection tank. It then flows along the back wind rack on the back of the gas collection tank into the flue gas monitor. Flue gas that passes the test by the flue gas monitor can be discharged directly from the exhaust valve seat. Conversely, the guide valve seat inside the flue gas monitor guides the unfiltered flue gas into the guide pipes on both sides, and finally flows back from the return seats at both ends of the guide pipes to the mixing rack at both ends. The uniform mixing and return operation of the flue gas is carried out at the uniform air grid of the uniform air ring seat inside the mixing rack, thereby realizing the repeated and efficient filtration of the flue gas, which reflects the practicality of the equipment design.
[0015] This clinker calcination rotary kiln flue gas monitoring device, through its integrated components including a gas collection tank, filter frame, mixing frame, first rotary kiln body, second rotary kiln body, pull-out frame, arc-shaped retaining cover, positioning magnetic strip, and flue gas filter element body, further enhances the overall performance of the equipment. During daily use, operators can quickly move the pull-out frame inside the filter frame at both ends of the gas collection tank up and down. The arc-shaped retaining cover at both ends of the pull-out frame can be quickly positioned and connected with the upper and lower ends of the filter frame via the positioning magnetic strip, enabling rapid switching between the upper and lower flue gas filter elements inside the pull-out frame. This allows for better maintenance of the filter element structure even when the first and second rotary kiln bodies are stopped. Combined with the flue gas monitoring equipment, this ensures better clinker calcination in the rotary kiln, demonstrating the comprehensiveness of the equipment design. Attached Figure Description
[0016] Figure 1 This is a three-dimensional structural schematic diagram of the present utility model;
[0017] Figure 2 This is a schematic diagram of the overall structure of the windproof frame of this utility model;
[0018] Figure 3 This is a schematic diagram of the overall structure of the gas mixing frame of this utility model;
[0019] Figure 4 This utility model Figure 1 An enlarged schematic diagram of the structure at point A in the middle.
[0020] Fig. 1, gas tank; 2, filter frame; 3, gas mixing frame; 4, first rotary kiln body; 5, second rotary kiln body; 6, leeward frame; 7, flue gas monitor body; 8, exhaust valve seat; 9, gas guide valve seat; 10, gas guide pipe; 11, backflow seat; 12, pressure pump; 13, air distribution ring seat; 14, air distribution grid; 15, pumping frame; 16, arc-shaped clamping cover; 17, positioning magnetic strip; 18, flue gas filter element body. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0022] Please refer to Figures 1-4 An embodiment provided by the present application:
[0023] A clinker firing rotary kiln flue gas monitoring device, comprising a gas collecting tank 1, both ends of the gas collecting tank 1 are fixedly connected with filter frames 2, both ends of the filter frames 2 are fixedly connected with gas mixing frames 3, one end of the gas collecting tank 1 is provided with a first rotary kiln body 4 through the filter frames 2 and the gas mixing frames 3, the other end of the gas collecting tank 1 is provided with a second rotary kiln body 5 through the filter frames 2 and the gas mixing frames 3, an air distribution ring seat 13 is arranged in the gas mixing frame 3, an air distribution grid 14 is arranged in the air distribution ring seat 13, a pumping frame 15 is movably connected in the filter frame 2, arc-shaped clamping covers 16 are fixedly connected to the upper and lower ends of the pumping frame 15, positioning magnetic strips 17 are arranged at the interfaces between the arc-shaped clamping covers 16 and the filter frame 2, flue gas filter element bodies 18 are arranged in the pumping frame 15, the pumping frame 15 in the filter frame 2 at both ends of the gas collecting tank 1 is quickly moved up and down, the arc-shaped clamping covers 16 at both ends of the pumping frame 15 can be quickly positioned and docked at both ends of the filter frame 2 through the positioning magnetic strips 17, and the flue gas filter element bodies 18 in the pumping frame 15 are quickly switched and used.
[0024] The back of the gas collecting tank 1 is fixedly connected with a flue gas monitor body 7, the inside of the flue gas monitor body 7 is provided with a flue gas monitor body 7, the back of the flue gas monitor body 7 is provided with an exhaust valve seat 8, the inside of the flue gas monitor body 7 is provided with a gas guide valve seat 9, the two sides of the gas guide valve seat 9 are fixedly connected with gas guide pipes 10, one end of the gas guide pipe 10 is fixedly connected with a backflow seat 11, the inside of the backflow seat 11 is provided with a pressure pump 12, the flue gas generated by the clinker burning in the first rotary kiln body 4 and the second rotary kiln body 5 can be filtered in the inside of the filter frame 2 at both ends of the gas collecting tank 1, then gathered in the inside of the gas collecting tank 1, and poured into the inside of the flue gas monitor body 7 along the back of the gas collecting tank 1, and the qualified flue gas detected by the flue gas monitor body 7 can be directly discharged from the exhaust valve seat 8.
[0025] Working principle: in use, the user first connects the first rotary kiln body 4 and the second rotary kiln body 5 at both ends of the gas collecting tank 1 through the filter frame 2 and the gas mixing frame 3, then the flue gas generated by the clinker burning in the first rotary kiln body 4 and the second rotary kiln body 5 can be filtered in the inside of the filter frame 2 at both ends of the gas collecting tank 1, then gathered in the inside of the gas collecting tank 1, and poured into the inside of the flue gas monitor body 7 along the back of the gas collecting tank 1, and the qualified flue gas detected by the flue gas monitor body 7 can be directly discharged from the exhaust valve seat 8, otherwise the flue gas that does not meet the standard is guided into the inside of the gas guide pipe 10 at both sides through the gas guide valve seat 9 in the inside of the flue gas monitor body 7, and finally backflows to the gas mixing frame 3 at both ends through the backflow seat 11 at both ends of the gas guide pipe 10 and the backflow seat 11, and the flue gas is uniformly mixed and backflowed at the uniform air distribution ring seat 13 of the gas mixing frame 3, so that the flue gas is repeatedly and efficiently filtered, in the daily use process, the staff can quickly move up and down the suction frame 15 in the inside of the filter frame 2 at both ends of the gas collecting tank 1, the arc-shaped clamping cover 16 at both ends of the suction frame 15 can be quickly positioned and connected with the filter frame 2 at both ends, the inside of the suction frame 15 is quickly switched and used, so that the equipment can be better maintained in the stop state of the first rotary kiln body 4 and the second rotary kiln body 5, and the rotary kiln with the flue gas monitoring device is better used to complete the clinker burning, and the above is the whole working principle of the utility model.
[0026] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than by the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.
Claims
1. A device for monitoring the flue gas of a clinker burning rotary kiln, comprising a gas collecting tank (1), characterized in that: Both ends of the gas collecting tank (1) are fixedly connected with filter frames (2), both ends of the filter frame (2) are fixedly connected with gas mixing frames (3), one end of the gas collecting tank (1) is provided with a first rotary kiln body (4) through the filter frame (2) and the gas mixing frame (3), the other end of the gas collecting tank (1) is provided with a second rotary kiln body (5) through the filter frame (2) and the gas mixing frame (3); The back of the gas collecting tank (1) is fixedly connected with a flue gas monitor body (7), the inside of the flue gas monitor body (7) is provided with a flue gas monitor body (7), the back of the flue gas monitor body (7) is provided with an exhaust valve seat (8).
2. The device for monitoring the flue gas of a clinker calcination rotary kiln according to claim 1, characterized in that: The inside of the flue gas monitor body (7) is provided with a gas guide valve seat (9), both sides of the gas guide valve seat (9) are fixedly connected with gas guide pipes (10).
3. The device for monitoring the flue gas of a clinker calcination rotary kiln according to claim 2, characterized in that: One end of the gas guide pipe (10) is fixedly connected with a backflow seat (11), the inside of the backflow seat (11) is provided with a pressure pump (12).
4. The device for monitoring the flue gas of a clinker calcination rotary kiln according to claim 1, characterized in that: The inside of the gas mixing frame (3) is provided with a uniform gas ring seat (13), the inside of the uniform gas ring seat (13) is provided with a uniform wind grille (14).
5. The device for monitoring the flue gas of a clinker calcination rotary kiln according to claim 1, characterized in that: The inside of the filter frame (2) is movably connected with a pumping frame (15), both upper and lower ends of the pumping frame (15) are fixedly connected with arc-shaped clamping covers (16).
6. A clinker burning rotary kiln flue gas monitoring device according to claim 5, characterized in that: The arc-shaped clamping cover (16) is provided with a positioning magnetic strip (17) at the interface between the upper and lower parts of the filter frame (2), the inside of the pumping frame (15) is provided with flue gas filter core bodies (18) on the upper and lower parts.