High-temperature-resistant sealing device for grate cooler

Abstract

The high-temperature-resistant sealing device comprises a first connecting pipe and a second connecting pipe, the first connecting pipe and the second connecting pipe are connected in a sleeved mode in a sliding mode, a sealing cabin is installed on the first connecting pipe, a sealing pipe is fixedly installed on the second connecting pipe, the sealing pipe is connected with the sealing cabin in a sliding mode, and the sealing cabin is connected with the sealing pipe in a sliding mode. The first connecting pipe and the second connecting pipe are provided with multiple sets of annularly-distributed bolts, the bolts are sleeved with first springs, the two ends of each first spring are fixedly connected with the first connecting pipe and the second connecting pipe correspondingly, a mounting pipe is fixedly mounted on the sealed cabin, and the sealed cabin communicates with the mounting pipe. Sealing connection between the first connecting pipe and the second connecting pipe is achieved through the arranged sealing cabin and the arranged sealing pipe, the sealing cabin is filled with sealing oil, the sealing cabin is matched with the sealing pipe, and a push plate in a mounting pipe and a first spring on a bolt provide a certain movement space between the first connecting pipe and the second connecting pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to grate cooler technical field, concretely is a high temperature sealing device for grate cooler. BACKGROUND

[0002] Grate cooler is the important host equipment in cement plant clinker sintering system, and its main function is to cool and transport cement clinker, and to provide hot air for rotary kiln and decomposing furnace, which is the main equipment for heat recovery of sintering system.

[0003] In the prior art, when the grate cooler is used, a large amount of 1400 DEG C cement clinker is transported through the moving grate bed, and the high-temperature gas flow will cause the displacement of the pipe thermal expansion, resulting in the sealing failure of the connecting surface between the pipes, causing the loss of gas and temperature, and thus affecting the efficiency of the heat recovery work of the grate cooler and the uniform cooling effect of the cement clinker. UTILITY MODEL CONTENT

[0004] The utility model discloses a high temperature sealing device for grate cooler to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a high temperature sealing device for grate cooler, including first connecting pipe and second connecting pipe, first connecting pipe and second connecting pipe sliding sleeve joint are installed on first connecting pipe and are fixedly installed with the sealing cabin, and the second connecting pipe is fixedly installed with the sealing pipe, and the sealing pipe is slidably connected with the sealing cabin, a plurality of groups of annular distribution bolts are arranged on first connecting pipe and second connecting pipe, first spring is sleeved on the bolt, and the both ends of first spring are fixedly connected with first connecting pipe and second connecting pipe respectively, the installation pipe is fixedly installed on the sealing cabin, the sealing cabin is communicated with the installation pipe, the screw rod is rotatably installed in the installation pipe, the push board is slidably installed in the installation pipe, the push board is slidably sleeved with the screw rod, the oil injection pipe is fixedly installed on the installation pipe, the oil injection pipe is communicated with the installation pipe, the piston plate is slidably installed in the oil injection pipe, and the installation rod is fixedly installed on the oil injection pipe.

[0006] As a further preferred embodiment of the present technical solution, the bolt penetrates through the first connecting pipe and the second connecting pipe and is slidably connected with the first connecting pipe and the second connecting pipe respectively, and the nut is threadedly sleeved on the bolt.

[0007] As a further preferred embodiment of the present technical solution, the adjusting plate is slidably installed in the installation pipe, the screw rod penetrates through the adjusting plate and is threadedly connected with the adjusting plate, the second spring is sleeved on the screw rod, and the both ends of the second spring are fixedly connected with the adjusting plate and the push board respectively.

[0008] As a further preferred of the technical solution, the connecting part of the oil injection pipe and the mounting pipe is below the push plate, a fixing frame is fixedly installed in the oil injection pipe, a one-way plate is slidably sleeved on the fixing frame, a stop ring is fixedly installed in the oil injection pipe, the one-way plate is between the stop ring and the mounting pipe, and an oil inlet is fixedly installed above the oil injection pipe.

[0009] As a further preferred of the technical solution, two groups of third springs are symmetrically sleeved on the fixing frame, the two ends of the third springs are fixedly connected with the one-way plate and the fixing frame respectively, and the oil inlet is between the piston plate and the one-way plate.

[0010] As a further preferred of the technical solution, a first push rod is slidably installed in the mounting rod, a second push rod is slidably installed in the first push rod, the end, away from the first push rod, of the second push rod is fixedly connected with the piston plate, a threaded rod is rotatably installed in the mounting rod, a threaded pipe is rotatably installed in the first push rod, the end, away from the mounting rod, of the threaded rod penetrates through the first push rod and is threadedly connected with the first push rod, and the end, away from the first push rod, of the threaded pipe penetrates through the second push rod and is threadedly connected with the second push rod.

[0011] As a further preferred of the technical solution, two groups of limiting grooves are symmetrically formed in the threaded rod, two groups of limiting blocks are symmetrically arranged in the threaded pipe, the limiting blocks are correspondingly arranged with the limiting grooves, and the threaded pipe is slidably sleeved with the threaded rod through the limiting blocks.

[0012] The utility model provides a kind of high-temperature-resistant sealing device for grate cooler, with the following beneficial effects:

[0013] (1) the utility model discloses a sealing cabin and sealing pipe are arranged to realize the sealing connection between the first connecting pipe and the second connecting pipe, and the sealing cabin is filled with sealing oil, the sealing cabin cooperates with the first spring on the push plate in the sealing pipe and mounting pipe, and gives the first connecting pipe and the second connecting pipe between a certain degree of activity space, when the gas of ultrahigh temperature is introduced in the sealing device and causes the sealing device to expand, the sealing cabin cooperates with internal sealing oil and mounting pipe and sealing pipe to effectively realize the activity sealing of the connecting part of the first connecting pipe and the second connecting pipe, ensure the sealing property while avoiding the deformation damage of sealing device caused by violent temperature rise.

[0014] (2) the utility model discloses that the sealing oil in sealing tank is added by the oil injection pipe cooperated with one-way plate, avoids the volatilization of sealing oil caused by long-time use of sealing device, then affects the sealing property of sealing device, and under the action of one-way plate and stop ring, the sealing oil in sealing cabin can be prevented from flowing into oil injection pipe when the sealing device expands. BRIEF DESCRIPTION OF DRAWINGS

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

[0016] Figure 2 It is the structure schematic view of the first connecting pipe of the utility model;

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

[0018] Figure 4 It is the structure schematic view of the installation pipe of the utility model;

[0019] Figure 5 It is the structure schematic view of the piston plate of the utility model;

[0020] In the drawing: 1, first connecting pipe; 2, second connecting pipe; 3, sealed cabin; 4, sealed pipe; 5, bolt; 6, first spring; 7, nut; 8, installation pipe; 9, oil injection pipe; 10, screw rod; 11, push plate; 12, adjusting plate; 13, second spring; 14, fixed frame; 15, one-way plate; 16, third spring; 17, oil inlet; 18, piston plate; 19, installation rod; 20, first push rod; 21, second push rod; 22, threaded rod; 23, threaded pipe; 24, limit slot; 25, limit block; 26, baffle ring. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model.

[0022] The utility model provides technical scheme: such as Figure 1 , Figure 2 and Figure 3As shown in the embodiment, a high-temperature-resistant sealing device for a grate cooler includes a first connecting pipe 1 and a second connecting pipe 2, the first connecting pipe 1 and the second connecting pipe 2 are slidingly sleeved, a sealing cabin 3 is installed on the first connecting pipe 1, a sealing pipe 4 is fixedly installed on the second connecting pipe 2, the sealing pipe 4 is slidingly connected with the sealing cabin 3, a plurality of groups of annularly distributed bolts 5 are arranged on the first connecting pipe 1 and the second connecting pipe 2, a first spring 6 is sleeved on the bolt 5, the two ends of the first spring 6 are fixedly connected with the first connecting pipe 1 and the second connecting pipe 2 respectively, an installation pipe 8 is fixedly installed on the sealing cabin 3, the sealing cabin 3 is communicated with the installation pipe 8, a lead screw 10 is rotatably installed in the installation pipe 8, a push plate 11 is slidingly installed in the installation pipe 8, the push plate 11 is slidingly sleeved with the lead screw 10, an oil injection pipe 9 is fixedly installed on the installation pipe 8, the oil injection pipe 9 is communicated with the installation pipe 8, a piston plate 18 is slidingly installed in the oil injection pipe 9, an installation rod 19 is fixedly installed on the oil injection pipe 9, sealing oil is filled in the sealing cabin 3, the sealing cabin 3 and the sealing pipe 4 are sleeved with each other to realize sealing coverage of the connecting position of the first connecting pipe 1 and the second connecting pipe 2, and initial limitation of the position between the first connecting pipe 1 and the second connecting pipe 2 is realized under the cooperation of the bolt 5, a nut 7 and the first spring 6, when a gas or other substance with high temperature is introduced into the first connecting pipe 1 and the second connecting pipe 2, the first connecting pipe 1 and the second connecting pipe 2 tend to displace, the first connecting pipe 1 and the second connecting pipe 2 move to both sides respectively, and drive the sealing cabin 3 and the sealing pipe 4 to move to both sides respectively, the sealing oil in the installation pipe 8 flows into the sealing cabin 3 to fill the new space in the sealing cabin 3 caused by the movement of the sealing cabin 3 and the sealing pipe 4, the sealing property of the connecting position of the first connecting pipe 1 and the second connecting pipe 2 is maintained, and sealing failure is avoided, the bolt 5 penetrates through the first connecting pipe 1 and the second connecting pipe 2 and is slidingly connected with the first connecting pipe 1 and the second connecting pipe 2 respectively, the nut 7 is threadedly sleeved on the bolt 5, an adjusting plate 12 is slidingly installed in the installation pipe 8, the lead screw 10 penetrates through the adjusting plate 12 and is threadedly connected with the adjusting plate 12, the second spring 13 is sleeved on the lead screw 10, the two ends of the second spring 13 are fixedly connected with the adjusting plate 12 and the push plate 11 respectively, the height of the adjusting plate 12 can be adjusted when the lead screw 10 rotates in the installation pipe 8, thereby adjusting the compression amount of the second spring 13, the adjustment of the compression amount of the second spring 13 realizes the extrusion force required when the push plate 11 is pushed upward, and thereby the adjustment of the size of the external force required when the first connecting pipe 1 and the second connecting pipe 2 move inward or outward intermittently is realized.

[0023] As Figure 4 and Figure 5As shown, the connection between the oil injection pipe 9 and the mounting pipe 8 is located below the push plate 11, the oil injection pipe 9 is fixedly installed with a fixed frame 14, the fixed frame 14 is slidably sleeved with a one-way plate 15, the oil injection pipe 9 is fixedly installed with a blocking ring 26, the one-way plate 15 is located between the blocking ring 26 and the mounting pipe 8, the oil injection pipe 9 is fixedly installed with an oil inlet 17 above, the fixed frame 14 is sleeved with two groups of symmetrically distributed third springs 16, the two ends of the third spring 16 are fixedly connected with the one-way plate 15 and the fixed frame 14 respectively, the oil inlet 17 is located between the piston plate 18 and the one-way plate 15, the mounting rod 19 is slidably installed with a first push rod 20, the first push rod 20 is slidably installed with a second push rod 21, the end of the second push rod 21 away from the first push rod 20 is fixedly connected with the piston plate 18, the mounting rod 19 is rotatably installed with a threaded rod 22, the first push rod 20 is rotatably installed with a threaded pipe 23, the end of the threaded rod 22 away from the mounting rod 19 penetrates through the first push rod 20 and is threadedly connected with the first push rod 20, the end of the threaded pipe 23 away from the first push rod 20 penetrates through the second push rod 21 and is threadedly connected with the second push rod 21, the threaded rod 22 is provided with two groups of symmetrically distributed limiting grooves 24, the threaded pipe 23 is provided with two groups of symmetrically distributed limiting blocks 25, the limiting blocks 25 are correspondingly arranged with the limiting grooves 24, the threaded pipe 23 is slidably sleeved with the threaded rod 22 through the limiting blocks 25, the oil injection pipe 9 can realize the addition of the sealing oil in the oil injection pipe 9 at the oil inlet 17, the rotation of the threaded rod 22 driven by the motor in the mounting rod 19 realizes the synchronous rotation of the threaded pipe 23 under the action of the limiting grooves 24 and the limiting blocks 25, the second push rod 21 realizes the pushing of the piston plate 18 under the limiting action of the mounting rod 19 and the first push rod 20, then the sealing oil is pushed to flow to the sealing cabin 3 by pushing the one-way plate 15, and the replenishment of the sealing oil in the sealing cabin 3 is completed.

[0024] The utility model provides a kind of high-temperature-resistant sealing device for grate cooler, specific working principle is as follows: sealing cabin 3 is filled with sealing oil, sealing cabin 3 and sealing pipe 4 are mutually sleeved and realize the sealing coverage for the sealing of first connecting pipe 1 and second connecting pipe 2 connection, and realize the initial limitation for the position between first connecting pipe 1 and second connecting pipe 2 under the cooperation of bolt 5, nut 7 and first spring 6, when higher temperature gas or other material is passed into first connecting pipe 1 and second connecting pipe 2, the tendency that first connecting pipe 1 and second connecting pipe 2 produce displacement is caused, first connecting pipe 1 and second connecting pipe 2 respectively move to both sides, and drive sealing cabin 3 and sealing pipe 4 respectively move to both sides, sealing oil in installation pipe 8 flows into sealing cabin 3 and fills up the new space in sealing cabin 3 due to the movement of sealing cabin 3 and sealing pipe 4, the sealing of first connecting pipe 1 and second connecting pipe 2 connection is kept, and sealing failure is avoided, the height of adjusting plate 12 can be adjusted when screw rod 10 in installation pipe 8 rotates, and then the adjustment of the compression amount of second spring 13 is realized, the extrusion force required when push plate 11 is pushed upwards is realized by the adjustment of the compression amount of second spring 13, and then the adjustment of the size of external force required when first connecting pipe 1 and second connecting pipe 2 move simultaneously inward or outward is realized intermittently, the addition of sealing oil in injection pipe 9 can be realized at oil inlet 17 in injection pipe 9, the rotation of threaded rod 22 is driven by motor in mounting rod 19, and the synchronous rotation of threaded pipe 23 is realized under the action of limiting groove 24 and limiting block 25, the push of second push rod 21 to piston plate 18 is realized under the limiting action of mounting rod 19 and first push rod 20, then sealing oil is extruded unidirectional plate 15 and flows to sealing cabin 3, and the replenishment of sealing oil in sealing cabin 3 is completed.

[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, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-temperature-resistant sealing device for a grate cooler, comprising a first connecting pipe (1) and a second connecting pipe (2), characterized in that: The first connecting pipe (1) and the second connecting pipe (2) are slidingly sleeved, a sealing cabin (3) is installed on the first connecting pipe (1), a sealing pipe (4) is fixedly installed on the second connecting pipe (2), the sealing pipe (4) is slidingly connected with the sealing cabin (3), a plurality of groups of annularly distributed bolts (5) are arranged on the first connecting pipe (1) and the second connecting pipe (2), a first spring (6) is sleeved on the bolt (5), the two ends of the first spring (6) are fixedly connected with the first connecting pipe (1) and the second connecting pipe (2) respectively, an installation pipe (8) is fixedly installed on the sealing cabin (3), the sealing cabin (3) is communicated with the installation pipe (8), a lead screw (10) is rotatably installed in the installation pipe (8), a push plate (11) is slidingly installed in the installation pipe (8), the push plate (11) is slidingly sleeved with the lead screw (10), an oil injection pipe (9) is fixedly installed on the installation pipe (8), the oil injection pipe (9) is communicated with the installation pipe (8), a piston plate (18) is slidingly installed in the oil injection pipe (9), and an installation rod (19) is fixedly installed on the oil injection pipe (9).

2. A high temperature resistant sealing device for a grate cooler according to claim 1, characterized in that: The bolt (5) penetrates through the first connecting pipe (1) and the second connecting pipe (2) and is slidingly connected with the first connecting pipe (1) and the second connecting pipe (2) respectively, and a nut (7) is threadedly sleeved on the bolt (5).

3. A high temperature resistant sealing device for a grate cooler as claimed in claim 1, wherein: An adjusting plate (12) is slidingly installed in the installation pipe (8), the lead screw (10) penetrates through the adjusting plate (12) and is threadedly connected with the adjusting plate (12), a second spring (13) is sleeved on the lead screw (10), and the two ends of the second spring (13) are fixedly connected with the adjusting plate (12) and the push plate (11) respectively.

4. A high temperature resistant sealing device for a grate cooler as claimed in claim 1, wherein: The connection between the oil injection pipe (9) and the installation pipe (8) is located below the push plate (11), a fixed frame (14) is fixedly installed in the oil injection pipe (9), a one-way plate (15) is slidingly sleeved on the fixed frame (14), a retaining ring (26) is fixedly installed in the oil injection pipe (9), the one-way plate (15) is located between the retaining ring (26) and the installation pipe (8), and an oil inlet (17) is fixedly installed above the oil injection pipe (9).

5. A high temperature resistant sealing device for a grate cooler as claimed in claim 4, wherein: Two groups of symmetrically distributed third springs (16) are sleeved on the fixed frame (14), the two ends of the third spring (16) are fixedly connected with the one-way plate (15) and the fixed frame (14) respectively, and the oil inlet (17) is located between the piston plate (18) and the one-way plate (15).

6. A high temperature resistant sealing device for a grate cooler as claimed in claim 1, wherein: The first push rod (20) is slidably arranged in the mounting rod (19), the second push rod (21) is slidably arranged in the first push rod (20), one end of the second push rod (21) away from the first push rod (20) is fixedly connected with the piston plate (18), the threaded rod (22) is rotatably arranged in the mounting rod (19), the threaded tube (23) is rotatably arranged in the first push rod (20), one end of the threaded rod (22) away from the mounting rod (19) penetrates through the first push rod (20) and is threadedly connected with the first push rod (20), one end of the threaded tube (23) away from the first push rod (20) penetrates through the second push rod (21) and is threadedly connected with the second push rod (21).

7. A high temperature resistant sealing device for a grate cooler according to claim 6, characterized in that: Two groups of symmetrical limiting grooves (24) are formed in the threaded rod (22), two groups of symmetrical limiting blocks (25) are arranged in the threaded tube (23), the limiting blocks (25) are arranged in correspondence with the limiting grooves (24), and the threaded tube (23) is slidably sleeved with the threaded rod (22) through the limiting blocks (25).

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