Dynamic and static seal of rotary kiln

Abstract

The utility model belongs to the technical field of dynamic and static seals of rotary kilns, in particular to a dynamic and static seal of a rotary kiln, which comprises a main frame, a storage bin, a vacuum feeder and a feeder, the storage bin is arranged on the inner side of the main frame, and the vacuum feeder is arranged at the upper end of the storage bin. By arranging the dynamic wrapping ring, the first sealing bin, the second sealing bin, the third sealing bin and the pressing screw, when the equipment is used, the vacuum feeding machine adds raw materials into the storage bin, the feeding machine is started and feeds the raw materials into the rotary kiln furnace tube step by step, and the raw materials are fed into the rotary kiln furnace tube through internal driving of the rotary kiln furnace tube. And the raw materials are gradually transferred in the roasting process. The first sealing bin, the second sealing bin and the third sealing bin at the tail end of the furnace tube of the rotary kiln are used for blocking the tail end of the rotary kiln, and the dynamic wrapping ring is arranged, so that dynamic and static positions are completely sealed. And then the raw materials fall into the three-layer screw conveyor through the static stock bin and are gradually discharged from the discharge port under the action of the screw rod.

Description

TECHNICAL FIELD

[0001] The utility model relates to rotary kiln and furnace dynamic static sealing technical field, concretely is a kind of dynamic static sealing of rotary kiln and furnace. BACKGROUND

[0002] The dynamic static sealing of rotary kiln and furnace is realized continuous sealing when kiln body rotates by the dynamic cooperation of static sealing ring and dynamic sealing ring, and its core is dynamic isolation of kiln body internal and external environment, prevent high-temperature gas, dust leakage and external cold air invasion, while adapt to kiln body thermal expansion and mechanical vibration, guarantee the stable operation of equipment under high temperature, heavy load working condition.The technology is widely applied to the rotary kiln equipment of metallurgy, building material and other industries, effectively improves production efficiency and environmental protection index by elastic material compensation and compressed air auxiliary sealing

[0003] Prior art has the following shortcomings: in the prior art with the publication number CN220853081U "a sealing device of rotary kiln and furnace", "including: rotatable kiln cylinder;Bridge pipe, with the kiln cylinder one end coaxial center corresponds;Sealing plate, limit sliding sleeve connection on the bridge pipe, by multiple sector plates spliced together;Elastic component, set on the bridge pipe, to the sealing plate exert elastic force to make it close to the kiln cylinder".

[0004] The above structure sets up multiple sector plates of elastic connection between bridge pipe and kiln cylinder, to tightly adhere to kiln cylinder, kiln cylinder occurs deflection, sector plate follows regular swing, so that its adhering surface does not produce gap.But the structure exists gas leakage and dust leakage in dynamic static sealing, and the bottom of dynamic static joint often needs manual cleaning, and the internal baking quality of rotary kiln is poor when gas leakage exists. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of prior art, the utility model provides a kind of dynamic static sealing of rotary kiln and furnace, solve the problem of existing dynamic static sealing place gas leakage and dust leakage, lead to baking quality reduction and joint need to clean frequently.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of dynamic static sealing of rotary kiln and furnace, including main frame, storage bin, vacuum feeding machine and feeder, the storage bin is set in the inside of main frame, the vacuum feeding machine is set in storage bin upper end, the feeder is arranged below the storage bin.

[0007] The side end of the feeder is provided with a rotary kiln and furnace pipe, the side end of the rotary kiln and furnace pipe is provided with a static bin, and the static bin is provided with a three-layer spiral machine below.

[0008] The three-layer spiral machine further includes a screw rod and a discharge port, the screw rod is inserted into the inside of the three-layer spiral machine, and the discharge port is opened at the bottom of the three-layer spiral machine.

[0009] As a preferred technical scheme of the utility model, the upper end of the three-layer spiral machine is further provided with a motor structure, the screw rod is provided with three groups and is distributed at equidistant positions upward and downward.

[0010] As a preferred technical scheme of the utility model, the rotary kiln pipe further comprises a dynamic ring, a first sealing bin, a second sealing bin, a third sealing bin and a compression screw, the dynamic ring is sleeved on the end of the rotary kiln pipe away from the feeder.

[0011] As a preferred technical scheme of the utility model, the first sealing bin, the second sealing bin and the third sealing bin are fixedly installed on the end of the rotary kiln pipe, and the compression screw passes through the first sealing bin, the second sealing bin and the third sealing bin and establishes a fixed connection relationship.

[0012] As a preferred technical scheme of the utility model, the first sealing bin, the second sealing bin and the third sealing bin are distributed side by side and are installed on the periphery of the connection part of the rotary kiln pipe and the static bin.

[0013] As a preferred technical scheme of the utility model, the bottom of the static bin is provided with a conical structure, the structure passes through the upper surface of the three-layer spiral machine and is inserted into the three-layer spiral machine.

[0014] As a preferred technical scheme of the utility model, the main body frame is in the shape of a "door" frame structure, and the bottom of the side end frame is distributed on both ends of the feeder and is fixedly connected with the feeder.

[0015] Compared with the prior art, the utility model provides a dynamic and static seal of a rotary kiln, which has the following beneficial effects:

[0016] A dynamic and static seal of a rotary kiln, by setting a dynamic ring, a first sealing bin, a second sealing bin, a third sealing bin and a compression screw, when the equipment is used, the feeder is started and the raw materials are gradually fed into the rotary kiln pipe, driven by the inside of the rotary kiln pipe, so that the raw materials are gradually transferred in the roasting process. The first sealing bin, the second sealing bin and the third sealing bin at the end of the rotary kiln pipe are sealed, and the dynamic ring is set, so that the dynamic and static parts are completely sealed. Then the raw materials fall into the three-layer spiral machine through the static bin and are gradually discharged from the discharge port under the action of the screw rod.

[0017] Through the above setting and process, the structure can be completely sealed at the dynamic and static sealing end of the rotary kiln pipe through the cooperation of the multiple sealing structure and the dynamic packing ring during use, so that the phenomenon of air and powder leakage at the joint of the dynamic ring and the static ring is prevented, so as to ensure that the equipment will not increase the gas cost due to air leakage, and the roasting quality can be improved, and the joint of the dynamic ring and the static ring does not need to be regularly cleaned and maintained, so that the labor cost is saved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a feeding machine and rotary kiln pipe connection position structure schematic view of the utility model;

[0020] Figure 3 It is a rotary kiln pipe and dynamic packing ring connection structure schematic view of the utility model;

[0021] Figure 4 It is a three-layer screw machine internal structure schematic view of the utility model.

[0022] In the drawing: 1, main frame; 2, storage bin; 3, vacuum feeder; 4, feeding machine; 5, rotary kiln pipe; 501, dynamic packing ring; 502, first sealing bin; 503, second sealing bin; 504, third sealing bin; 505, compression screw; 6, static bin; 7, three-layer screw machine; 701, screw rod; 702, discharge port. DETAILED DESCRIPTION

[0023] The technical scheme 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 other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] In the embodiment: the dynamic and static sealing of the rotary kiln, including main frame 1, storage bin 2, vacuum feeder 3 and feeding machine 4, storage bin 2 is arranged inside main frame 1, vacuum feeder 3 is arranged on the upper end of storage bin 2, and feeding machine 4 is arranged below storage bin 2.

[0025] The side end of feeding machine 4 is provided with rotary kiln pipe 5, the side end of rotary kiln pipe 5 is provided with static bin 6, and static bin 6 is provided below three-layer screw machine 7.

[0026] Three-layer screw machine 7 further includes screw rod 701 and discharge port 702, screw rod 701 is inserted into the side end inside three-layer screw machine 7, and discharge port 702 is opened at the bottom of three-layer screw machine 7.

[0027] In the embodiment, the upper end of the three-layer screw machine 7 is further provided with a motor structure, the screw rod 701 is provided with three groups and is distributed at equidistant positions upward and downward; the rotary kiln pipe 5 further comprises a dynamic ring 501, a first sealing bin 502, a second sealing bin 503, a third sealing bin 504 and a pressing screw 505, and the dynamic ring 501 is sleeved on the end of the rotary kiln pipe 5 away from the feeder 4.

[0028] Specifically, as shown in Figure 1 and Figure 2 , the feeder 4 transports raw materials from one side of the rotary kiln pipe 5 to the inside of the rotary kiln pipe 5, and the raw materials are supplied by the upper end storage bin 2.

[0029] In the embodiment, the first sealing bin 502, the second sealing bin 503 and the third sealing bin 504 are fixedly installed on the end of the rotary kiln pipe 5, the pressing screw 505 passes through the first sealing bin 502, the second sealing bin 503 and the third sealing bin 504 and establishes a fixed connection relationship; the first sealing bin 502, the second sealing bin 503 and the third sealing bin 504 are distributed side by side, and are installed on the periphery of the connection part of the rotary kiln pipe 5 and the static bin 6.

[0030] Specifically, as shown in Figure 3 and Figure 4 , the first sealing bin 502, the second sealing bin 503 and the third sealing bin 504 which are distributed side by side additionally reinforce the dynamic ring 501, so that the dynamic and static combination part is no longer air leakage.

[0031] In the embodiment, the bottom of the static bin 6 is provided with a conical structure, and the structure passes through the upper surface of the three-layer screw machine 7 and is inserted into the three-layer screw machine 7; the main frame 1 is in the shape of a "door" frame structure, and the bottom of the side end frame is distributed on both sides of the feeder 4 and establishes a fixed connection relationship with the feeder 4.

[0032] The working principle and use process of the utility model are as follows: when the equipment is used, the vacuum feeder 3 adds raw materials to the storage bin 2, the feeder 4 is started and gradually feeds the raw materials into the rotary kiln pipe 5, the inside of the rotary kiln pipe 5 is driven, so that the raw materials are gradually transferred in the roasting process. The first sealing bin 502, the second sealing bin 503 and the third sealing bin 504 at the end of the rotary kiln pipe 5 seal the end of the rotary kiln, and the dynamic ring 501 is arranged, so that the dynamic and static parts are completely sealed. Then the raw materials fall into the three-layer screw machine 7 through the static bin 6 and are gradually discharged from the discharge port 702 under the action of the screw rod 701.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A rotary kiln dynamic and static seal, comprising a main frame (1), a storage bin (2), a vacuum feeder (3) and a feeder (4), the storage bin (2) is arranged inside the main frame (1), the vacuum feeder (3) is arranged at the upper end of the storage bin (2), and the feeder (4) is arranged below the storage bin (2), characterized in that: The feeder (4) is provided with a rotary kiln pipe (5) at the side end, the rotary kiln pipe (5) is provided with a static bin (6) at the side end, and the static bin (6) is provided with a three-layer spiral machine (7) below. The three-layer spiral machine (7) further comprises a screw rod (701) and a discharge port (702), the screw rod (701) is inserted into the inside side end of the three-layer spiral machine (7), and the discharge port (702) is opened at the bottom of the three-layer spiral machine (7).

2. A rotary kiln dynamic seal according to claim 1, wherein: The upper end of the three-layer spiral machine (7) is further provided with a motor structure, the screw rod (701) is provided with three groups and is distributed according to the equidistant position from top to bottom.

3. A rotary kiln dynamic seal according to claim 1 wherein: The rotary kiln pipe (5) further comprises a dynamic ring (501), a first sealing bin (502), a second sealing bin (503), a third sealing bin (504) and a compression screw (505), the dynamic ring (501) is sleeved on the end of the rotary kiln pipe (5) away from the feeder (4).

4. A rotary kiln dynamic seal according to claim 3, wherein: The first sealing bin (502), the second sealing bin (503) and the third sealing bin (504) are fixedly installed at the end of the rotary kiln pipe (5), the compression screw (505) passes through the first sealing bin (502), the second sealing bin (503) and the third sealing bin (504), and establishes a fixed connection relationship.

5. A rotary kiln dynamic seal according to claim 3 wherein: The first sealing bin (502), the second sealing bin (503) and the third sealing bin (504) are distributed side by side and installed at the periphery of the connection between the rotary kiln pipe (5) and the static bin (6).

6. A rotary kiln dynamic seal according to claim 1 wherein: The bottom of the static bin (6) is provided with a conical structure, which passes through the upper surface of the three-layer spiral machine (7) and is inserted into the three-layer spiral machine (7).

7. A rotary kiln dynamic seal as claimed in claim 1, wherein: The main frame (1) is in the shape of a "door" frame structure, wherein the bottom of the side end frame is distributed at both ends of the feeder (4) and establishes a fixed connection relationship with the feeder (4).

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