CN216977529U - Chain grate waste heat recovery system - Google Patents
Chain grate waste heat recovery system Download PDFInfo
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- CN216977529U CN216977529U CN202220544872.4U CN202220544872U CN216977529U CN 216977529 U CN216977529 U CN 216977529U CN 202220544872 U CN202220544872 U CN 202220544872U CN 216977529 U CN216977529 U CN 216977529U
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- waste heat
- heat recovery
- recovery system
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Abstract
The utility model relates to the technical field of chain grate machines and discloses a waste heat recovery system of a chain grate machine, which comprises a machine shell, lifting rods and a grate plate, wherein a water tank is fixedly arranged at the bottom of the machine shell, cooling water is arranged in the water tank, an opening is formed between the water tank and the machine shell, elastic telescopic rods are fixedly arranged on two sides of the bottom of the grate plate, baffle plates used for shielding the opening are fixedly arranged at the lower ends of the two elastic telescopic rods, a water inlet pipe is arranged at the top of one side of the water tank, a water outlet pipe is arranged at the bottom of the other side of the water tank, a switch valve is arranged on the pipe wall of the water outlet pipe, and a hot air ventilation mechanism is arranged on one side of the machine shell and the water tank. The utility model has a waste heat recovery system, avoids the phenomenon of waste of heat of the chain grate and simultaneously reduces the pollution to the environment.
Description
Technical Field
The utility model relates to the technical field of chain grate machines, in particular to a waste heat recovery system of a chain grate machine.
Background
The energy consumption of the ferrous metallurgy industry is huge, and energy conservation and emission reduction are always the targets pursued by the ferrous metallurgy industry. In metallurgical production, sintered pellets are the feedstock for metallurgical processes. The chain grate is an important device for producing the pellets.
The chain grate machine is used for drying and preheating the green pellets, and the heat source of the chain grate machine is waste heat flue gas of the rotary kiln and the circular cooler. The grate plate in the chain grate runs circularly, and the draft fan heats the green pellets distributed on the grate plate of the chain grate. After preheating is completed, the green pellets are sent into the rotary kiln, at the moment, the temperature on the grate plate of the chain grate is higher, and in the natural cooling section of the chain grate, the temperature of the grate plate is higher, so that the working environment around the equipment is severe, and energy waste is serious.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the heat of a grate plate of a chain grate cannot be recycled in the prior art, and provides a waste heat recovery system of the chain grate.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a drying grate waste heat recovery system, includes casing, lifter and comb board, the fixed water tank that is equipped with in bottom of casing, the inside of water tank is equipped with the cooling water, be equipped with the opening between water tank and the casing, the bottom both sides of comb board all are fixed and are equipped with the elasticity telescopic link, two the lower extreme of elasticity telescopic link all is fixed be equipped with be used for with the baffle that the opening sheltered from, one side top of water tank is provided with the inlet tube, and the opposite side bottom of water tank is provided with the outlet pipe, the pipe wall of outlet pipe is provided with the ooff valve, one side of casing and water tank is equipped with logical hot-blast mechanism.
Preferably, lead to hot-air blower and construct including air exhauster, exhaust column and play tuber pipe, the air exhauster fixed set up in on the lateral wall of casing, the exhaust column fixed set up in the input of air exhauster, and the other end of exhaust column extends to the inside of casing, it is fixed set up in to go out the tuber pipe the output of air exhauster, and the other end that goes out the tuber pipe extends to the inside of water tank.
Preferably, the elastic telescopic rod comprises a sleeve, a moving rod and a spring, the sleeve is fixedly arranged at the top of the baffle, one end of the moving rod is inserted into the sleeve and is fixedly connected with the inner side wall of the sleeve through the spring, and the other end of the moving rod is fixedly connected with the bottom of the grate plate.
Preferably, the pipe wall of the air outlet pipe is fixedly arranged on the inner side wall of the water tank through a plurality of pipe clamps which are uniformly distributed.
Preferably, the pipe wall of the air outlet pipe is provided with a plurality of air outlet holes which are uniformly distributed.
Preferably, the top of baffle is fixed and is equipped with the closing plate, and the size and the opening phase-match of closing plate.
Preferably, two sliding blocks are symmetrically and fixedly arranged on the rod wall of the moving rod, and sliding grooves matched with the sliding blocks are formed in the inner side wall of the sleeve.
Compared with the prior art, the utility model provides a waste heat recovery system of a chain grate, which has the following beneficial effects:
1. this drying grate waste heat recovery system, through setting up the water tank in chassis bottom, the lifter can remove the comb board to the inside of water tank for the comb board contacts with the inside cooling water of water tank, because the temperature of comb board is higher, can heat the inside cooling water of water tank, thereby makes the temperature on comb board surface obtain recycle.
2. This chain grate waste heat recovery system through setting up elasticity telescopic link and the baffle in the comb board bottom, when removing the comb board to the casing inside, the baffle can shelter from the opening.
3. This drying grate waste heat recovery system, through air exhauster, exhaust column and the play tuber pipe that is equipped with, air exhauster work can be with the inside heat suction of casing to the inside of water tank, can improve waste heat recovery's effect to the inside cooling water heating of water tank.
The part which is not involved in the device is the same as the prior art or can be realized by the prior art, and the device is provided with a waste heat recovery system, thereby avoiding the phenomenon of heat waste of the chain grate and simultaneously reducing the pollution to the environment.
Drawings
Fig. 1 is a schematic structural diagram of a waste heat recovery system of a chain grate;
fig. 2 is a schematic structural view of the elastic telescopic rod in fig. 1.
In the figure: the device comprises a machine shell 1, a lifting rod 2, a grate plate 3, a water tank 4, an elastic telescopic rod 5, a baffle 6, a water inlet pipe 7, a water outlet pipe 8, a switch valve 9, an exhaust fan 10, an exhaust pipe 11, an air outlet pipe 12, a sleeve 13, a movable rod 14, a spring 15, a pipe clamp 16, an air outlet hole 17, a sealing plate 18 and a sliding block 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1, a waste heat recovery system of a chain grate comprises a machine shell 1, lifting rods 2 and a grate plate 3, wherein a water tank 4 is fixedly arranged at the bottom of the machine shell 1, cooling water is arranged inside the water tank 4, an opening is formed between the water tank 4 and the machine shell 1, elastic telescopic rods 5 are fixedly arranged on two sides of the bottom of the grate plate 3, baffle plates 6 used for shielding the opening are fixedly arranged at the lower ends of the two elastic telescopic rods 5, a sealing plate 18 is fixedly arranged at the top of each baffle plate 6, and the size of each sealing plate 18 is matched with the opening, so that the sealing effect on the opening can be improved; a water inlet pipe 7 is arranged at the top of one side of the water tank 4, a water outlet pipe 8 is arranged at the bottom of the other side of the water tank 4, a switch valve 9 is arranged on the pipe wall of the water outlet pipe 8, and cooling water in the water tank 4 can be discharged for use through the water outlet pipe 8 after being heated.
Example 2
Referring to fig. 1, in embodiment 2, on the basis of embodiment 1, a hot air passing mechanism is arranged on one side of a casing 1 and a water tank 4, the hot air passing mechanism includes an exhaust fan 10, an exhaust pipe 11 and an air outlet pipe 12, the exhaust fan 10 is fixedly arranged on a side wall of the casing 1, the exhaust pipe 11 is fixedly arranged at an input end of the exhaust fan 10, the other end of the exhaust pipe 11 extends into the casing 1, the air outlet pipe 12 is fixedly arranged at an output end of the exhaust fan 10, and the other end of the air outlet pipe 12 extends into the water tank 4; the pipe wall of the air outlet pipe 12 is fixedly arranged on the inner side wall of the water tank 4 through a plurality of pipe clamps 16 which are uniformly distributed, and a plurality of air outlet holes 17 which are uniformly distributed are formed in the pipe wall of the air outlet pipe 12, so that the distribution uniformity of heat in cooling water can be improved.
Example 3
Referring to fig. 2, in embodiment 3, based on embodiment 1, the elastic telescopic rod 5 includes a sleeve 13, a moving rod 14 and a spring 15, the sleeve 13 is fixedly disposed on the top of the baffle 6, one end of the moving rod 14 is inserted into the sleeve 13 and is fixedly connected with the inner side wall of the sleeve 13 through the spring 15, and the other end of the moving rod 14 is fixedly connected with the bottom of the grate plate 3; two sliding blocks 19 are symmetrically and fixedly arranged on the rod wall of the moving rod 14, a sliding groove matched with the sliding blocks 19 is formed in the inner side wall of the sleeve 13, and the sliding blocks 19 move in the sliding groove and can limit the moving position of the moving rod 14 in the sleeve 13; when the baffle 6 is driven upwards by the grid plate 3, the opening can be shielded by the baffle 6, and the grid plate 2 can move between the sleeve 13 and the moving rod 14 and stretch the spring 15 in the continuous upward moving process, so that the sealing shielding effect of the baffle 6 on the opening can be always kept.
In the utility model, when the grate plate is used, the lifting rod 2 can move the grate plate 3 to the inside of the water tank 4, so that the grate plate 3 is contacted with cooling water in the water tank 4, and the cooling water in the water tank 4 can be heated due to the higher temperature of the grate plate 3, so that the temperature on the surface of the grate plate 3 is recycled; open simultaneously air exhauster 10 work, air exhauster 10 can be with the inside heat suction of casing 1 to the inside of water tank 4, can improve waste heat recovery's effect to the inside cooling water heating of water tank 4.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. The chain grate waste heat recovery system comprises a machine shell (1), lifting rods (2) and a grate plate (3), and is characterized in that a water tank (4) is fixedly arranged at the bottom of the machine shell (1), cooling water is arranged inside the water tank (4), an opening is formed between the water tank (4) and the machine shell (1), elastic telescopic rods (5) are fixedly arranged on two sides of the bottom of the grate plate (3), baffle plates (6) used for shielding the opening are fixedly arranged at the lower ends of the two elastic telescopic rods (5), a water inlet pipe (7) is arranged at the top of one side of the water tank (4), a water outlet pipe (8) is arranged at the bottom of the other side of the water tank (4), a switch valve (9) is arranged on the pipe wall of the water outlet pipe (8), and a hot air ventilation mechanism is arranged on one side of the machine shell (1) and the water tank (4).
2. The drying grate waste heat recovery system according to claim 1, wherein the hot air ventilation mechanism comprises an exhaust fan (10), an exhaust pipe (11) and an air outlet pipe (12), the exhaust fan (10) is fixedly arranged on the side wall of the casing (1), the exhaust pipe (11) is fixedly arranged at the input end of the exhaust fan (10), the other end of the exhaust pipe (11) extends to the inside of the casing (1), the air outlet pipe (12) is fixedly arranged at the output end of the exhaust fan (10), and the other end of the air outlet pipe (12) extends to the inside of the water tank (4).
3. The waste heat recovery system of the drying grate as claimed in claim 1, wherein the flexible telescopic rod (5) comprises a sleeve (13), a moving rod (14) and a spring (15), the sleeve (13) is fixedly arranged on the top of the baffle (6), one end of the moving rod (14) is inserted into the sleeve (13) and is fixedly connected with the inner side wall of the sleeve (13) through the spring (15), and the other end of the moving rod (14) is fixedly connected with the bottom of the grate plate (3).
4. The waste heat recovery system of the chain grate machine as claimed in claim 2, characterized in that the wall of the air outlet pipe (12) is fixedly arranged on the inner side wall of the water tank (4) through a plurality of evenly distributed pipe clamps (16).
5. The waste heat recovery system of the drying grate as claimed in claim 2, wherein the wall of the air outlet pipe (12) is provided with a plurality of air outlet holes (17) distributed uniformly.
6. A grate waste heat recovery system according to claim 1, characterized in that the top of the baffle plate (6) is fixedly provided with a sealing plate (18), and the size of the sealing plate (18) is matched with the opening.
7. The waste heat recovery system of the drying grate as claimed in claim 3, wherein the rod wall of the moving rod (14) is symmetrically and fixedly provided with two sliding blocks (19), and the inner side wall of the sleeve (13) is provided with a sliding groove matched with the sliding blocks (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220544872.4U CN216977529U (en) | 2022-03-14 | 2022-03-14 | Chain grate waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220544872.4U CN216977529U (en) | 2022-03-14 | 2022-03-14 | Chain grate waste heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216977529U true CN216977529U (en) | 2022-07-15 |
Family
ID=82360154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220544872.4U Active CN216977529U (en) | 2022-03-14 | 2022-03-14 | Chain grate waste heat recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216977529U (en) |
-
2022
- 2022-03-14 CN CN202220544872.4U patent/CN216977529U/en active Active
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