High-efficiency energy-saving device for kiln tail high-temperature fan
By optimizing the design of the kiln tail high-temperature fan and the pipeline structure, the problem of high fan energy consumption in cement production has been solved, achieving high efficiency, energy saving and improved equipment stability.
Patent Information
- Application Number
- CN202423248488.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-27
AI Technical Summary
In cement production, the installed capacity and power of blowers are too large, resulting in high energy consumption. There is a significant deviation between the design conditions and the actual operating conditions. The pipeline system is aging, leading to problems such as high resistance, poor flow, and ash accumulation and material collapse.
Design a high-efficiency and energy-saving device for high-temperature blowers at the kiln tail. Replace the original high-temperature blower with a high-efficiency and energy-saving blower. The impeller adopts a streamlined airfoil, a sealing device is added, the pipeline structure is adjusted, a flow rectifier grid and an expansion joint protection pipe are used, and the blower design and pipeline system are optimized.
It improved the operating efficiency of the blower, reduced energy consumption, enhanced equipment stability, solved the problems of resistance and ash accumulation in the pipeline system, increased the output of the rotary kiln system, and reduced the overall power consumption of clinker.
Smart Images
Figure CN223594468U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of kiln tail high temperature fan, concretely is a kind of kiln tail high temperature fan high -efficient energy -conserving device. BACKGROUND
[0002] Cement production enterprise is energy consumption big customer, cement industry has been listed as one of the key areas of national resource conservation, the national cement appears capacity serious overcapacity problem, cement enterprise is to occupy market, win customer, only reduce production cost, under the environment of proposing to accelerate the construction of conservation-oriented society, improve the conservation-oriented manufacturing and application level of cement industry, it is significant to establish conservation-oriented cement industry system, under the situation that the contradiction between supply and demand of energy is prominent at home and abroad, cement production enterprise must reduce energy consumption through various ways, to obtain best economic benefit and highest labor productivity.
[0003] However, in the production of cement, fan installed capacity accounts for about 25%~30% of total installed capacity of the whole plant, at the same time, the air volume is too large, the power is too high, and the waste is more in the fan design and selection, so that the comprehensive power consumption of clinker is high, due to the influence of various complex factors in the production process, there is a large performance deviation between the design condition and the actual operation condition of the fan, the fan operating area deviates from the high efficiency area, the operation efficiency is low, the operation efficiency of large fan of many cement production enterprises is less than 70%, which leads to high energy consumption, the existing clinker production line is configured with high temperature fan and pipeline system, the process design of kiln tail has not met the needs of energy saving and consumption reduction of clinker production, and there are actual problems such as large pipeline system resistance, unsmooth flow, ash accumulation, material collapse and high energy consumption, therefore, it is urgent to design a kiln tail high temperature fan high efficiency energy saving device to solve the above problems. SUMMARY
[0004] The utility model aims at providing a kind of kiln tail high temperature fan high efficiency energy saving device, to solve the above background art in the production of cement, fan installed capacity accounts for about 25%~30% of total installed capacity of the whole plant, at the same time, the air volume is too large, the power is too high, and the waste is more in the fan design and selection, so that the comprehensive power consumption of clinker is high, due to the influence of various complex factors in the production process, there is a large performance deviation between the design condition and the actual operation condition of the fan, the fan operating area deviates from the high efficiency area, the operation efficiency is low, the operation efficiency of large fan of many cement production enterprises is less than 70%, which leads to high energy consumption, the existing clinker production line is configured with high temperature fan and pipeline system, the process design of kiln tail has not met the needs of energy saving and consumption reduction of clinker production, and there are actual problems such as large pipeline system resistance, unsmooth flow, ash accumulation, material collapse and high energy consumption.
[0005] In order to achieve the above object, the utility model provides the following technical scheme: a kiln tail high temperature fan high -efficient energy -saving device, including the casing, the bottom of casing is fixedly connected with the machine base, one side of casing is provided with motor body, the other side of casing is provided with bearing body, the inside of casing is provided with the impeller through motor body and bearing body,
[0006] The inlet leg pipe and the outlet leg pipe are fixedly connected to one end of the casing, and the other end of the casing is fixedly connected with the outlet leg pipe.
[0007] Preferably, one end of the inlet leg pipe is fixedly connected with an inlet variable diameter pipe, one end of the inlet variable diameter pipe is fixedly connected with a control valve pipe, and one end of the control valve pipe is fixedly connected with an inlet inclined pipe.
[0008] Preferably, one end of the outlet leg pipe is fixedly connected with an outlet variable diameter pipe, and one end of the outlet variable diameter pipe is fixedly connected with an outlet square pipe.
[0009] Preferably, the side of the outlet square pipe is fixedly connected with an outlet branch pipe.
[0010] Preferably, one end of the casing is provided with an air inlet valve port, and the other end of the casing is provided with an air outlet valve port.
[0011] Preferably, one side of the casing is fixedly connected with a motor cover, and the other side of the casing is fixedly connected with a bearing cover.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] The kiln tail high temperature fan high -efficient energy -saving device is provided with the casing, the machine base, the motor body, the bearing body, the impeller, the air inlet valve port, the air outlet valve port, the motor cover and the bearing cover, can carry out the research on the fan high -efficient energy -saving technology, replaces the original high temperature fan with the high -efficient energy -saving fan, and the high -efficient energy -saving fan is mainly composed of the casing, the machine base, the motor body, the bearing body and the impeller, etc., the motor body is moved back ninety millimeters from the base, the fan is designed as left -hand rotation, and the air outlet is forty -five degrees and the air inlet is one hundred thirty -five degrees, the air inlet valve port is arranged on the front side of the casing, the impeller adopts the streamline airfoil impeller, reduces the airflow loss in the whole system, improves the air inlet efficiency, reduces the noise in the fan operation process, the sealing device is arranged between the motor body and the bearing body, and the bearing body cooling and lubricating device is additionally arranged, the operation efficiency and the operation stability of the casing are improved, the practicality of the equipment design is embodied by solving the practical problems such as large pipeline system resistance, unsmooth flow, ash deposition, material collapse and high energy consumption.
[0014] The kiln tail high-temperature fan energy-saving device, through the setting of the inlet trouser leg pipe, the outlet trouser leg pipe, the inlet variable diameter pipe, the control valve pipe, the inlet inclined pipe, the outlet variable diameter pipe, the outlet square pipe and the outlet branch pipe, further improves the overall use effect of the equipment, researches the kiln tail process pipeline energy-saving technology, designs the kiln tail process inlet trouser leg pipe structure, the outlet trouser leg pipe structure and the coal mill air taking pipe structure, the fan inlet trouser leg pipe is designed with long enough inlet variable diameter pipe, control valve pipe and inlet inclined pipe, the rectifier grid is used in the pipeline, the turbulence of the inlet and outlet trouser leg pipes can be reduced, the system resistance is reduced, the efficiency of the high-efficiency energy-saving fan is improved, expansion joint protection pipe is arranged at the inlet and outlet, the diameter of the fan inlet inclined pipe is increased from Φ2700 to Φ3000, the outlet branch pipe elbow is designed as a circular arc elbow pipe, the waste heat boiler outlet elbow pipe is downwardly deviated by about fifteen degrees, and the coal mill air taking pipe diameter is adjusted, so that the kiln system yield is improved and the comprehensive power consumption of the clinker unit product is reduced, and the comprehensiveness of the equipment design is embodied. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a front view schematic diagram of the structure of the utility model;
[0016] Figure 2 It is a whole schematic diagram of the shell structure of the utility model;
[0017] Figure 3 It is a side view schematic diagram of the structure of the utility model;
[0018] Figure 4 It is a top view schematic diagram of the shell structure of the utility model.
[0019] In the drawing: 1, shell; 2, base; 3, motor body; 4, bearing body; 5, impeller; 6, inlet trouser leg pipe; 7, outlet trouser leg pipe; 8, inlet variable diameter pipe; 9, control valve pipe; 10, inlet inclined pipe; 11, outlet variable diameter pipe; 12, outlet square pipe; 13, outlet branch pipe; 14, air inlet valve port; 15, air outlet valve port; 16, motor cover; 17, bearing cover. DETAILED DESCRIPTION
[0020] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.
[0021] Please refer to Figures 1-4 The utility model provides an embodiment:
[0022] The utility model provides a kiln tail high temperature fan high -efficient energy -conserving device, including the casing 1, the bottom end fixed connection of casing 1 has the machine base 2, one side of casing 1 is provided with motor body 3, the other side of casing 1 is provided with bearing body 4, the inside of casing 1 is provided with impeller 5 through motor body 3 and bearing body 4, one end of casing 1 is opened with air inlet valve mouth 14, the other end of casing 1 is opened with air outlet valve mouth 15, one side of casing 1 is fixedly connected with motor cover 16, the other side of casing 1 is fixedly connected with bearing cover 17.
[0023] The utility model discloses a kiln tail high temperature fan high -efficient energy -conserving device, including the casing 1, the bottom end fixed connection of casing 1 has the machine base 2, one side of casing 1 is provided with motor body 3, the other side of casing 1 is provided with bearing body 4, the inside of casing 1 is provided with impeller 5 through motor body 3 and bearing body 4, one end of casing 1 is opened with air inlet valve mouth 14, the other end of casing 1 is opened with air outlet valve mouth 15, one side of casing 1 is fixedly connected with motor cover 16, the other side of casing 1 is fixedly connected with bearing cover 17.
[0024] Working principle: when using, the original high temperature fan is replaced with high -efficient energy -conserving fan, and the high -efficient energy -conserving fan is mainly composed of casing 1, machine base 2, motor body 3, bearing body 4 and impeller 5, etc., the motor body 3 is moved back ninety millimeters with the base, the fan is designed as left -hand screw, and the air outlet is forty -five degrees and the air inlet is one hundred thirty -five degrees, the front side of casing 1 is provided with air inlet valve mouth 14, the impeller 5 adopts the streamlined airfoil impeller, reduces the airflow loss in the whole system, improves the air inlet efficiency, reduces the noise in the running process of the fan, the sealing device is arranged between the motor body 3 and the bearing body 4, and the bearing body 4 cooling and lubricating device is additionally arranged, the running efficiency and the running stability of casing 1 are improved, the high -efficient energy -conserving technology of casing 1 is used to solve the practical problems of large pipeline system resistance, unsmooth flow, ash deposition, material collapse and high energy consumption, the kiln tail process pipeline energy -conserving technology is researched, the kiln tail process inlet leg pipe 6 structure, outlet leg pipe 7 structure and coal mill air intake pipe structure are designed, the fan inlet leg pipe 6 is designed with long inlet reducing pipe 8, control valve pipe 9 and inlet inclined pipe 10, the rectifier grid is used in the pipeline, the turbulence of inlet leg pipe 6 and outlet leg pipe 7 can be reduced, the system resistance is reduced, the efficiency of high -efficient energy -conserving fan is improved, the expansion joint protection pipe is arranged at the inlet and outlet, the diameter of fan inlet inclined pipe is increased from Φ2700 to Φ3000, the outlet branch pipe 13 elbow is designed as circular arc elbow pipe, the outlet elbow pipe of waste heat boiler is inclined downward by about fifteen degrees, the diameter of coal mill air intake pipe is adjusted, the kiln tail process pipeline energy -conserving technology is researched, so as to improve the yield of rotary kiln system and reduce the comprehensive power consumption per unit product of clinker, and the above is all working principle of the utility model.
[0025] 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 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 high-temperature kiln tail fan high-efficiency energy-saving device, comprising a casing (1), characterized in that: The bottom end of the casing (1) is fixedly connected with a machine base (2), one side of the casing (1) is provided with a motor body (3), the other side of the casing (1) is provided with a bearing body (4), the inside of the casing (1) is provided with an impeller (5) through the motor body (3) and the bearing body (4); An inlet leg pipe (6) and an outlet leg pipe (7), one end of the casing (1) is fixedly connected with the inlet leg pipe (6), the other end of the casing (1) is fixedly connected with the outlet leg pipe (7).
2. The high-temperature fan high-efficiency energy-saving device for a kiln tail according to claim 1, characterized in that: One end of the inlet leg pipe (6) is fixedly connected with an inlet reducing pipe (8), one end of the inlet reducing pipe (8) is fixedly connected with a control valve pipe (9), one end of the control valve pipe (9) is fixedly connected with an inlet inclined pipe (10).
3. The high-temperature fan high-efficiency energy-saving device for a kiln tail according to claim 1, characterized in that: One end of the outlet leg pipe (7) is fixedly connected with an outlet reducing pipe (11), one end of the outlet reducing pipe (11) is fixedly connected with an outlet square pipe (12).
4. The high-temperature fan high-efficiency energy-saving device for a kiln tail according to claim 3, characterized in that: The side of the outlet square pipe (12) is fixedly connected with an outlet branch pipe (13).
5. The high-temperature fan high-efficiency energy-saving device for a kiln tail according to claim 1, characterized in that: One end of the casing (1) is provided with an air inlet valve port (14), the other end of the casing (1) is provided with an air outlet valve port (15).
6. The high-temperature fan high-efficiency energy-saving device for a kiln tail according to claim 1, characterized in that: One side of the casing (1) is fixedly connected with a motor cover (16), the other side of the casing (1) is fixedly connected with a bearing cover (17).