Tail exhaust fan of cement mill

Abstract

The utility model discloses a cement mill tail exhaust fan, and particularly relates to the technical field of exhaust fans, the cement mill tail exhaust fan comprises an air inlet pipe, the right end of the outer surface of the air inlet pipe is fixedly connected with a bearing assembly, the inner cavity of the left part of the bearing assembly is slidably connected with a filtering mechanism, and the right side of the outer part of the bearing assembly is fixedly connected with a conveying mechanism; a gas collecting mechanism is fixedly connected into the conveying mechanism, and a cooling mechanism is fixedly connected into the gas collecting mechanism. According to the tail exhaust fan of the cement mill, micro powder and dust contained in gas exhausted by the cement mill can be filtered through the filtering mechanism, the gas collecting mechanism can be fixed through the conveying mechanism, gas conveying can be achieved under the action of the gas collecting mechanism, and the tail exhaust fan of the cement mill is convenient to use. And the cooling mechanism can be used for cooling the gas entering the gas collection mechanism, so that the practicability and universality of the device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of exhaust fan, especially a cement mill tail exhaust fan. BACKGROUND

[0002] Cement is a common building material, and is widely used in building, pavement, bridge and other engineering, in the process of cement production, needs to use cement mill tail exhaust fan, and the cement mill tail exhaust fan is one of the key equipment in the cement production line, is used to discharge the hot gas and dust generated in the cement mill system, and keeps the pressure balance inside the system.

[0003] The existing cement mill tail exhaust fan can only simply filter the dust in the cement mill production process, but cannot effectively cool the gas discharged by the cement mill, which causes the high temperature to affect the service life and working efficiency of the electronic components such as the exhaust fan. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a cement mill tail exhaust fan, which can effectively solve the problem that the gas discharged by the cement mill cannot be effectively cooled.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is:

[0006] A cement mill tail exhaust fan, comprising an air inlet pipe, the outer surface of the air inlet pipe is movably connected with a flange plate at the left end, the outer surface of the air inlet pipe is fixedly connected with a bearing assembly at the right end, the left part of the bearing assembly is slidably connected with a filter mechanism, the outer right side of the bearing assembly is fixedly connected with a conveying mechanism, the lower part of the conveying mechanism is fixedly connected with an exhaust fan, the inner part of the conveying mechanism is fixedly connected with a gas collecting mechanism, and the inner part of the gas collecting mechanism is fixedly connected with a cooling mechanism.

[0007] Preferably, the bearing assembly comprises a connecting pipe one, and the outer surface of the connecting pipe one is fixedly connected with a bearing frame at the left end.

[0008] Preferably, the filter mechanism comprises a filter frame, a filter screen is fixedly installed in the inner cavity of the filter frame, a limiting plate is fixedly connected to the outer surface of the filter frame at the upper end, and the outer surface of the filter frame is slidably connected with the inner cavity of the bearing frame.

[0009] Preferably, the conveying mechanism comprises a connecting elbow two, a sealing sleeve is fixedly connected to the outer surface of the connecting elbow two at the lower end, and the outer surface of the connecting elbow two is fixedly connected with the outer surface of the connecting pipe one at the left end.

[0010] Preferably, the gas collecting mechanism comprises a gas conveying elbow, a tapered pipe is fixedly connected to the outer surface of the gas conveying elbow at the right end, and the left part of the outer surface of the tapered pipe is fixedly connected with the left part of the inner surface of the connecting elbow two.

[0011] Preferably, the cooling mechanism comprises two annular fixing frames, and a plurality of cooling bends are fixedly connected in common annular array in the cavities of the two annular fixing frames, and the outer surfaces of the two annular fixing frames are fixedly connected with the gas conveying bends.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、The bearing assembly can bear the filtering mechanism, the filtering mechanism can filter the micro powder and dust in the gas discharged by the cement mill, the practicability of the device is improved, the conveying mechanism can fix the gas collecting mechanism, the gas collecting mechanism can convey the gas, the cooling mechanism can cool the gas entering the gas collecting mechanism, the practicability and universality of the device are improved.

[0014] 2、The gas after dust filtration will first enter the inner cavity of the conical pipe, then enter the inner cavity of the gas conveying bend with smaller caliber, so that the high-temperature gas in the inner cavity of the gas conveying bend can be cooled by the cooling bends filled with sufficient cooling liquid, the temperature of the gas discharged by the cement mill is prevented from being too high to interfere with the operation of the air extractor and other electronic components, the practicability and universality of the device are improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is a structure schematic view of the utility model;

[0017] Figure 3 It is a structure schematic view of the utility model;

[0018] Figure 4 It is a structure schematic view of the utility model.

[0019] In the drawing: 1, air inlet pipe; 2, flange plate; 3, bearing assembly; 31, connecting pipe one; 32, bearing frame; 4, filtering mechanism; 41, filter frame; 42, filter screen; 43, limiting plate; 5, conveying mechanism; 51, connecting bend two; 52, sealing sleeve; 6, air extractor; 7, gas collecting mechanism; 71, gas conveying bend; 72, conical pipe; 8, cooling mechanism; 81, annular fixing frame; 82, cooling bend. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.

[0021] As Figure 1 shown, a cement mill tail exhaust fan, including the air inlet pipe 1, the outer surface of the left end of the flange plate 2 is movably connected, the outer surface of the right end of the air inlet pipe 1 is fixedly connected with the bearing assembly 3, which can realize the bearing effect of the filtering mechanism 4, the left part of the bearing assembly 3 is slidably connected with the filtering mechanism 4, which can realize the filtering effect of the micro powder and dust contained in the gas discharged by the cement mill, the outer right side of the bearing assembly 3 is fixedly connected with the conveying mechanism 5, which can realize the fixing effect of the gas collecting mechanism 7, the lower part of the conveying mechanism 5 is fixedly connected with the exhaust fan 6, the inside of the conveying mechanism 5 is fixedly connected with the gas collecting mechanism 7, which can realize the effect of conveying the gas, the inside of the gas collecting mechanism 7 is fixedly connected with the cooling mechanism 8, which can realize the effect of cooling the gas entering the inside of the gas collecting mechanism 7.

[0022] In order to realize the purpose of bearing the filtering mechanism 4, refer to Figure 2 , the bearing assembly 3 includes the connecting pipe one 31, the outer surface of the left end of the connecting pipe one 31 is fixedly connected with the bearing frame 32, which can realize the bearing effect of the filter frame 41.

[0023] In order to realize the purpose of filtering the micro powder and dust contained in the gas discharged by the cement mill, refer to Figure 2 , the filtering mechanism 4 includes the filter frame 41, the filter screen 42 is installed and fixed in the inner cavity of the middle part of the filter frame 41, which can realize the effect of intercepting and filtering the dust contained in the gas, the outer surface of the upper end of the filter frame 41 is fixedly connected with the limiting plate 43, which can realize the effect of clamping and limiting the position of the filter frame 41, and the outer surface of the filter frame 41 is slidably connected with the inner cavity of the bearing frame 32.

[0024] In order to realize the purpose of fixing the gas collecting mechanism 7, refer to Figure 2 , the conveying mechanism 5 includes the connecting elbow pipe two 51, the outer surface of the lower end of the connecting elbow pipe two 51 is fixedly connected with the sealing sleeve 52, which can realize the effect of fixedly connecting the lower part of the outer surface of the connecting elbow pipe two 51 with the upper input end of the exhaust fan 6, and the outer surface of the left end of the connecting elbow pipe two 51 is fixedly connected with the outer surface of the right end of the connecting pipe one 31.

[0025] In order to realize the purpose of conveying the gas, refer to Figure 3 , the gas collecting mechanism 7 includes the gas conveying elbow pipe 71, the outer surface of the right end of the gas conveying elbow pipe 71 is fixedly connected with the tapered pipe 72, which can realize the effect of making the gas enter the inner cavity of the gas conveying elbow pipe 71 with smaller gas volume, and the outer surface of the left part of the tapered pipe 72 is fixedly connected with the inner surface of the left part of the connecting elbow pipe two 51.

[0026] In order to realize the purpose of cooling the gas entering the inside of the gas collecting mechanism 7, refer to Figure 4The cooling mechanism 8 comprises two annular fixing frames 81, which can realize the mounting and fixing of several cooling bent pipes 82, the inner cavities of the two annular fixing frames 81 are fixedly connected with the annular array of the several cooling bent pipes 82, and the outer surfaces of the two annular fixing frames 81 are fixedly connected with the gas conveying bent pipe 71.

[0027] It should be noted that the specific installation method of the air extractor 6, the connection mode of the circuit and the control method are all conventional designs, and the utility model will not be described in detail.

[0028] The working principle of the utility model is as follows: first, the left part of the flange plate 2 is connected with the output end of the cement mill exhaust pipe, when the cement mill exhausts gas during production, the dust contained in the gas will be intercepted and filtered by the filter screen 42, then the filtered gas will enter the inner cavity of the conical pipe 72 through the connecting pipe one 31, at this time, the gas will enter the inner cavity of the gas conveying bent pipe 71 compared with the gas amount in the inner cavity of the connecting pipe one 31, the gas entering the inner cavity of the gas conveying bent pipe 71 will be cooled by the several cooling bent pipes 82 with lower surface temperature, so that the high-temperature gas entering the inner cavity of the gas conveying bent pipe 71 will not be too high when entering the inside of the air extractor 6.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. It should be understood by the person skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cement mill fan, comprising an air inlet pipe (1), characterized in that: The left end of outer surface of the air inlet pipe (1) is movably connected with a flange (2), the right end of outer surface of the air inlet pipe (1) is fixedly connected with a bearing assembly (3), the left part of the bearing assembly (3) is slidably connected with a filtering mechanism (4), the external right side of the bearing assembly (3) is fixedly connected with a conveying mechanism (5), the lower part of the conveying mechanism (5) is fixedly connected with an air extractor (6), the internal part of the conveying mechanism (5) is fixedly connected with a gas collecting mechanism (7), the internal part of the gas collecting mechanism (7) is fixedly connected with a cooling mechanism (8).

2. The cement mill exhaust fan of claim 1, wherein: The bearing assembly (3) comprises a connecting pipe one (31), and the left end of the outer surface of the connecting pipe one (31) is fixedly connected with a bearing frame (32).

3. A cement mill fan according to claim 2, characterized in that: The filtering mechanism (4) comprises a filter frame (41), and the inner cavity of the middle part of the filter frame (41) is fixedly connected with a filter screen (42); the outer surface of the upper end of the filter frame (41) is fixedly connected with a limiting plate (43), and the outer surface of the filter frame (41) is slidably connected with the inner cavity of the bearing frame (32).

4. The cement mill fan as claimed in claim 2, wherein: The conveying mechanism (5) comprises a connecting elbow two (51), and the lower end of the outer surface of the connecting elbow two (51) is fixedly connected with a sealing sleeve (52); the left end of the outer surface of the connecting elbow two (51) is fixedly connected with the right end of the outer surface of the connecting pipe one (31).

5. A cement mill exhaust fan as claimed in claim 4 wherein: The gas collecting mechanism (7) comprises a gas conveying elbow (71), and the right end of the outer surface of the gas conveying elbow (71) is fixedly connected with a tapered pipe (72); the left part of the outer surface of the tapered pipe (72) is fixedly connected with the left part of the inner surface of the connecting elbow two (51).

6. A cement mill exhaust fan as claimed in claim 5 wherein: The cooling mechanism (8) comprises two annular fixing frames (81), and the inner cavities of the two annular fixing frames (81) are fixedly connected with a plurality of cooling elbows (82) in a common annular array; the outer surfaces of the two annular fixing frames (81) are fixedly connected with the gas conveying elbow (71).

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