Exhaust pipeline structure of rotary furnace

Abstract

The utility model discloses an exhaust pipeline structure of a rotary furnace, which belongs to the technical field of exhaust of rotary furnaces and comprises an exhaust passage, an exhaust cavity, an air inlet pipe and an exhaust pipe body, the exhaust cavity is arranged in the exhaust passage, and a filter component is arranged at the inner end of the exhaust cavity and comprises a contact plate, a spring and a filter screen body. A flow adjusting mechanism is arranged on the exhaust pipe body, a flow sensor is connected to the lower side of the inner wall of the air inlet pipe, a controller is connected to the upper end of the peripheral side of the exhaust pipe body, the flow adjusting mechanism comprises a bearing plate connected to the exhaust pipe body, the bearing plate is connected with a stepping motor, the output end of the stepping motor is connected with a rotating shaft A, and the rotating shaft A is connected with a gear A; the end, close to the exhaust pipe body, of the gear B is connected with a rotating shaft B. The peripheral side of the rotating shaft B is connected with an adjusting plate. According to the utility model, gas in the exhaust passage can be subjected to flow regulation and then is exhausted, so that the safety of the exhaust passage in the use process is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rotary furnace exhaust technology field, concretely is a kind of exhaust duct structure of rotary furnace. BACKGROUND

[0002] Rotary furnace body is a long steel cylinder, lining with refractory material, furnace body is supported on several pairs of supporting wheel, and with 3%~6% inclination. Furnace body is driven by motor by gear slowly rotates. Material is added from higher tail end, and is unloaded from lower furnace head end;

[0003] The existing technology has the problems that the exhaust pipe on the rotary furnace discharges the impurities containing particles to the environment during exhaust, and the exhaust opening cannot be adjusted according to the pressure of the exhaust pipe during exhaust, which causes cracks in the exhaust pipe and noise, and the environment around the rotary furnace is poor, finally reducing the service life of the exhaust pipe. Therefore, we propose a kind of exhaust duct structure of rotary furnace. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of exhaust duct structures of rotary furnace, to solve the problem raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of exhaust duct structure of rotary furnace, including exhaust passage, exhaust chamber, intake pipe and exhaust pipe body, the exhaust passage is opened in exhaust chamber, the inner end of the exhaust chamber is provided with filter assembly, the filter assembly includes contact plate, spring and filter screen body, the exhaust pipe body is provided with flow regulating mechanism, the intake pipe inner wall lower side is connected with flow sensor, the exhaust pipe body outer circumferential side upper end is connected with controller, the flow regulating mechanism includes the support plate connected on the exhaust pipe body, the support plate is connected with step motor, the step motor output end is connected with shaft A, the shaft A is connected with gear A, the gear A is engaged with gear B, the gear B is connected with shaft B close to one end of exhaust pipe body, the shaft B outer circumferential side is connected with adjusting plate, the adjusting plate is connected with follow-up shaft A away from one end of shaft B, the follow-up shaft A is connected with pulley A, the pulley A is connected with belt, the belt is drivingly connected with pulley B, the pulley B is connected with follow-up shaft B close to one end of exhaust passage, the follow-up shaft B inner end is connected with cam, the cam abuts filter screen body.

[0006] Preferably, the filter assembly includes two symmetrically arranged contact plates connected to the inner wall of the exhaust chamber, each contact plate has a spring connected to its upper end, and the spring is connected to a filter screen body, the filter screen body has a reciprocating groove formed on one side of its upper end, and the cam is arranged in the reciprocating groove.

[0007] Preferably, the upper end of the exhaust passage is communicated with an exhaust pipe body, and the lower end of the exhaust passage is communicated with an air inlet pipe, and the air inlet pipe and the exhaust pipe body are both communicated with the exhaust cavity.

[0008] Preferably, the front end of the exhaust passage is provided with a control panel.

[0009] Preferably, the follow-up shaft A is rotatably connected with a contact block through a bearing, and the contact block is connected with the exhaust passage.

[0010] Preferably, the rotating shaft B and the follow-up shaft A are both rotatably connected with the exhaust pipe body through bearings.

[0011] Preferably, the follow-up shaft B is rotatably connected with the exhaust passage through a bearing.

[0012] Preferably, the outer diameter of the adjusting plate is matched with the inner diameter of the exhaust pipe body, and the end face of the adjusting plate is chamfered.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The exhaust passage, the exhaust cavity, the filtering assembly, the exhaust pipe body, the flow adjusting mechanism, the controller, the contact block, the control panel, the air inlet pipe and the flow sensor can complete the following actions: when the flow sensor senses that the flow of the exhaust pipe body increases, the flow sensor transmits data to the controller, the controller controls the stepping motor, the output end of the stepping motor drives the rotating shaft A to rotate and then drives the gear A to rotate, the gear A drives the gear B to rotate and then drives the rotating shaft B to rotate, and the rotating shaft B drives the adjusting plate to perform an angle adjusting action, so that when the adjusting plate is in a vertical position, the flow opening degree of the exhaust pipe body is maximum, the utility model realizes the flow regulation of the gas in the exhaust passage and then discharges the gas, and the safety of the exhaust passage during use is improved.

[0015] 2. The filtering assembly, the exhaust pipe body and the flow adjusting mechanism can complete the following actions: when the flow of the exhaust pipe body is adjusted, the rotating shaft B drives the follow-up shaft A to rotate and then drives the belt pulley A to rotate, the belt pulley A drives the transmission belt to perform a transmission action, the transmission belt drives the belt pulley B to rotate and then drives the follow-up shaft B to rotate, the follow-up shaft B drives the cam to perform a rotating action, the cam drives the filtering net body to perform an up-down reciprocating motion action, and the spring performs a compression and rebound action, the filtering assembly can block the dust and particles in the gas and simultaneously shake off the particles attached to the filtering net body, so that the filtering net body is prevented from being blocked, and the smoothness of the exhaust is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic view of the utility model;

[0017] Figure 2 It is the whole section structure schematic view of the utility model;

[0018] Figure 3 It is the flow regulating mechanism structure schematic view of the utility model;

[0019] Figure 4 It is the filter assembly structure schematic view of the utility model.

[0020] In the drawing: 1, exhaust passage; 2, exhaust chamber; 3, filter assembly; 301, contact plate; 302, spring; 303, filter screen body; 304, reciprocating groove; 4, exhaust pipe body; 5, flow regulating mechanism; 501, supporting plate; 502, stepping motor; 503, rotating shaft A; 504, gear A; 505, gear B; 506, rotating shaft B; 507, adjusting plate; 508, follower shaft A; 509, pulley A; 510, belt; 511, pulley B; 512, follower shaft B; 513, cam; 6, controller; 7, contact block; 8, control panel; 9, air inlet pipe; 10, flow sensor. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. 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 the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-4The utility model provides a kind of technical scheme: a rotary furnace exhaust duct structure, including exhaust passage 1, exhaust chamber 2, intake pipe 9 and exhaust pipe body 4, exhaust passage 1 is set with exhaust chamber 2, the inner end of exhaust chamber 2 is provided with filter assembly 3, filter assembly 3 includes contact plate 301, spring 302 and filter screen body 303, exhaust pipe body 4 is provided with flow regulating mechanism 5, flow sensor 10 is connected on the inner wall lower side of intake pipe 9, controller 6 is connected on the outer circumferential side upper end of exhaust pipe body 4, flow regulating mechanism 5 includes the support plate 501 connected on exhaust pipe body 4, support plate 501 is connected with step motor 502, the output end of step motor 502 is connected with shaft A 503, shaft A 503 is connected with gear A 504, gear A 504 is engaged with gear B 505, gear B 505 is connected with shaft B 506 close to one end of exhaust pipe body 4, adjusting plate 507 is connected on the outer circumferential side of shaft B 506, adjusting plate 507 is connected with follow-up shaft A 508 away from one end of shaft B 506, follow-up shaft A 508 is connected with pulley A 509, pulley A 509 is connected with belt 510, belt 510 is drivingly connected with pulley B 511, pulley B 511 is connected with follow-up shaft B 512 close to one end of exhaust passage 1, follow-up shaft B 512 inner end is connected with cam 513, cam 513 abuts filter screen body 303.

[0023] Specifically, filter assembly 3 includes two symmetrical contact plates 301 connected on the inner wall of exhaust chamber 2, spring 302 is connected on the upper end of each contact plate 301, filter screen body 303 is connected with spring 302, reciprocating groove 304 is set on one side of the upper end of filter screen body 303, cam 513 is set in reciprocating groove 304; exhaust passage 1 is connected with exhaust pipe body 4 on the upper end, intake pipe 9 is connected with exhaust passage 1 on the lower end, intake pipe 9 and exhaust pipe body 4 are both connected with exhaust chamber 2; control panel 8 is set on the front end of exhaust passage 1; follow-up shaft A 508 is rotatably connected with contact block 7 through bearing, contact block 7 is connected with exhaust passage 1; shaft B 506 and follow-up shaft A 508 are both rotatably connected with exhaust pipe body 4 through bearing; follow-up shaft B 512 is rotatably connected with exhaust passage 1 through bearing; the outer diameter size of adjusting plate 507 is matched with the inner diameter size of exhaust pipe body 4, and the end face of adjusting plate 507 is rounded.

[0024] Working principle: when the flow sensor 10 senses that the flow of the exhaust pipe body 4 increases, at this time the flow sensor 10 transmits data to the controller 6, at this time the controller 6 controls the stepper motor 502, at this time the output end of the stepper motor 502 drives the rotating shaft A 503 to rotate and drives the gear A 504 to rotate, at this time the gear A 504 drives the gear B 505 to rotate and drives the rotating shaft B 506 to rotate, at this time the rotating shaft B 506 drives the adjusting plate 507 to adjust the angle, when the adjusting plate 507 is in the vertical position, at this time the flow opening of the exhaust pipe body 4 is maximum, the rotating shaft B 506 drives the follow-up shaft A 508 to rotate and drives the pulley A 509 to rotate, at this time the pulley A 509 drives the transmission belt to drive, at this time the transmission belt drives the pulley B 511 to rotate and drives the follow-up shaft B 512 to rotate, the follow-up shaft B 512 drives the cam 513 to rotate, at this time the cam 513 drives the filter screen body 303 to move up and down, at this time the spring 302 is compressed and rebounded, the filter assembly 3 is provided with the filter screen body 303, which can block dust and particles in the gas and simultaneously shake off the particles attached to the filter screen body 303, prevent the filter screen body 303 from being blocked, improve the smoothness of the exhaust, the utility model realizes the flow regulation of the gas in the exhaust passage 1 and discharges, improves the safety of the exhaust passage 1 during use.

[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An exhaust duct structure for a rotary kiln, comprising an exhaust channel (1), an exhaust cavity (2), an air inlet pipe (9) and an exhaust pipe body (4), characterized in that: An exhaust cavity (2) is provided in the exhaust passage (1), a filter assembly (3) is provided at the inner end of the exhaust cavity (2), the filter assembly (3) comprises a contact plate (301), a spring (302) and a filter body (303), a flow regulating mechanism (5) is provided on the exhaust pipe body (4), a flow sensor (10) is connected to the lower side of the inner wall of the intake pipe (9), a controller (6) is connected to the upper end of the outer peripheral side of the exhaust pipe body (4), the flow regulating mechanism (5) comprises a supporting plate (501) connected to the exhaust pipe body (4), the supporting plate (501) is connected to a stepping motor (502), an output end of the stepping motor (502) is connected to a rotating shaft A (503), the rotating shaft A (503) is connected to a gear A (504), the The gear A (504) is meshedly connected with the gear B (505), the gear B (505) is connected to the rotating shaft B (506) at one end close to the exhaust pipe body (4), the outer peripheral side of the rotating shaft B (506) is connected to the adjusting plate (507), the adjusting plate (507) is connected to the follower shaft A (508) at one end away from the rotating shaft B (506), the follower shaft A (508) is connected to the pulley A (509), the pulley A (509) is connected to the belt (510), the belt (510) is connected to the pulley B (511), the pulley B (511) is connected to the follower shaft B (512) at one end close to the exhaust channel (1), the inner end of the follower shaft B (512) is connected to the cam (513), and the cam (513) abuts the filter body (303).

2. The exhaust duct structure of a rotary kiln according to claim 1, characterized in that: The filter assembly (3) comprises two symmetrically arranged contact plates (301) connected to the inner wall of the exhaust chamber (2), the upper end of each contact plate (301) being connected to a spring (302), the spring (302) being connected to a filter body (303), a reciprocating groove (304) being provided on one side of the upper end of the filter body (303), and the cam (513) being arranged in the reciprocating groove (304).

3. The exhaust duct structure of a rotary kiln according to claim 1, characterized in that: The upper end of the exhaust channel (1) is connected to the exhaust pipe body (4), and the lower end of the exhaust channel (1) is connected to the air intake pipe (9). Both the air intake pipe (9) and the exhaust pipe body (4) are connected to the exhaust chamber (2).

4. The exhaust duct structure of a rotary kiln according to claim 1, characterized in that: A control panel (8) is provided at the front end of the exhaust channel (1).

5. The exhaust duct structure of a rotary kiln according to claim 1, characterized in that: The follower shaft A (508) is rotatably connected to a contact block (7) via a bearing, and the contact block (7) is connected to the exhaust channel (1).

6. The exhaust duct structure of a rotary kiln according to claim 1, characterized in that: The rotating shaft B (506) and the follower shaft A (508) are both rotatably connected to the exhaust pipe body (4) via bearings.

7. The exhaust duct structure of a rotary kiln according to claim 1, characterized in that: The follower shaft B (512) is rotatably connected to the exhaust passage (1) via a bearing.

8. The exhaust duct structure of a rotary kiln according to claim 1, characterized in that: The outer diameter of the adjustment plate (507) is matched with the inner diameter of the exhaust pipe body (4), and the end faces of the adjustment plate (507) are rounded.

Images