Cooling air circulation channel of circular cooler

Abstract

The utility model relates to the technical field of sintering circular coolers, and discloses a cooling air circulation channel of a circular cooler, which comprises a circular cooler body, the top of the inner wall of the circular cooler body is fixedly connected with an air suction plate, the top of the circular cooler body is fixedly connected with an exhaust fan, and the upper end and the lower end of the exhaust fan are fixedly connected with exhaust pipes. According to the sintering circular cooler, through the air suction plate, the exhaust fan, the waste heat utilization box and the heat exchange assembly, when the sintering circular cooler runs, cooling air is blown in from the air outlet plate at the bottom, the cooling air upwards penetrates through the grid plate of the trolley and exchanges heat with sintering ore on the trolley, the heated cooling air becomes hot waste gas, and then the hot waste gas is exhausted from the air suction plate on the upper portion of the circular cooler. And the high-temperature hot waste gas and circulating cold water are shunted through the heat exchange assembly to carry out efficient circulating heat exchange waste heat utilization hot waste gas cooling treatment, and cooling air after heat exchange can be driven by the air feeder to enter the sintering circular cooler again for circulating energy-saving cooling use.

Description

TECHNICAL FIELD

[0001] The utility model relates to sintering ring cooling machine technical field especially relates to a cooling air circulation channel of ring cooling machine. BACKGROUND

[0002] Sintering ring cooling machine is a kind of equipment for cooling sinter, is widely used in metallurgy, building materials, port etc., and sinter ring cooling machine is one of the auxiliary equipment of sintering machine, mainly responsible for cooling in sintering process.

[0003] The general cooling air circulation channel characteristics of traditional sintering ring cooling machine, usually sintering ring cooling machine when running, cooling air is from the bottom air bellow and is inhaled, for example in some conventional design, cooling air in air bellow passes through the grate of pallet upwards, and carries out heat exchange with sinter on pallet, heated cooling air becomes hot waste gas, and then is discharged from the upper portion of ring cooling machine, in this process, the circulation channel of cooling air is mainly composed of air bellow, pallet grate and the upper and lower space of ring cooling machine, to realize the cooling function of sinter.

[0004] In the above technology, although the cooling air circulation of sintering ring cooling machine is realized, but it still has the insufficient in hot waste gas cooling treatment and waste heat utilization, is easy to cause heat exchange not to be thorough and waste heat utilization not to be sufficient, thereby influence to the circulation cooling efficiency, use is not very convenient, and therefore a kind of cooling air circulation channel of ring cooling machine is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up the above insufficient, the utility model provides a kind of cooling air circulation channel of ring cooling machine, aims at improving the prior art, and there is the insufficient in hot waste gas cooling treatment and waste heat utilization, is easy to cause heat exchange not to be thorough and waste heat utilization not to be sufficient, thereby influence to the circulation cooling efficiency, problem.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a cooling air circulation channel of ring cooler, including ring cooler body, the inner wall top of ring cooler body is fixedly connected with the air suction plate, the top of ring cooler body is fixedly connected with the air extractor, the upper and lower ends of air extractor are fixedly connected with the air extraction pipe, the air extraction pipe of air extractor output is fixedly connected with total exhaust pipe, the inner wall bottom of ring cooler body is fixedly connected with the air outlet plate, the bottom of ring cooler body is fixedly connected with the air supply machine, the upper and lower ends of air supply machine are fixedly connected with the air supply pipe, the air supply pipe of air supply machine input is fixedly connected with total return air pipe, the left side of ring cooler body is fixedly connected with the waste heat utilization box, the inside of waste heat utilization box is sequentially provided with first heat exchange cavity and second heat exchange cavity from top to bottom, heat exchange assembly is arranged between the inside of first heat exchange cavity and second heat exchange cavity, the upper and lower ends of the front of waste heat utilization box are fixedly connected with liquid inlet pipe, the upper and lower ends of the back of waste heat utilization box are fixedly connected with liquid outlet pipe, the front of waste heat utilization box bottom is fixedly provided with filter assembly.

[0007] As further description of the above technical solution:

[0008] The heat exchange assembly includes an air inlet box and an air outlet box, the bottom of the air inlet box is fixedly connected to the inner wall bottom of the first heat exchange cavity, the bottom of the air outlet box is fixedly connected to the inner wall bottom of the second heat exchange cavity, and the heat exchange pipes are connected through the air inlet box and the air outlet box.

[0009] As further description of the above technical solution:

[0010] The heat exchange pipes are U-shaped pipe structures, and a plurality of heat exchange pipes are arranged at equal intervals.

[0011] As further description of the above technical solution:

[0012] The right side of the air inlet box is fixedly connected to the output end of the total exhaust pipe, and the right side of the air outlet box is fixedly connected to the air outlet pipe.

[0013] As further description of the above technical solution:

[0014] The filter assembly includes a filter box, the top of the filter box is fixedly connected to the front of the bottom of the waste heat utilization box, and the filter plate is embedded and clamped on the front of the filter box.

[0015] As further description of the above technical solution:

[0016] The output end of the air outlet pipe is fixedly connected to the top center of the filter box, and the input end of the total return air pipe is fixedly connected to the bottom center of the filter box.

[0017] As further description of the above technical solution:

[0018] The heat dissipation fan unit is fixedly connected between the bottom end of the filter box and the rear edge of the bottom of the waste heat utilization box.

[0019] Further description of the above technical solution is as follows:

[0020] The air suction pipe and the air supply pipe are each provided with a plurality of

[0021] The utility model has the advantages of:

[0022] 1. In the utility model, when the sintering circular cooler is running, cooling air is blown from the bottom air outlet plate, passes through the grate plate of the trolley upwards, exchanges heat with the sinter on the trolley, becomes hot waste gas after being heated, is discharged from the air suction plate on the top of the circular cooler, and enters the waste heat utilization box, so that the high-temperature waste gas is divided by the heat exchange assembly and flows through the circulating cooling water for efficient flow and heat exchange, and the cooling air after heat exchange can re-enter the circular energy-saving cooling and temperature reduction of the sintering circular cooler under the driving of the air supply fan.

[0023] 2. In the utility model, the filter assembly is provided with replaceable and detachable filter plates in the filter box, so that the purification and filtration of the cooling air after water cooling and waste heat exchange are facilitated, the peculiar smell in the circulating cooling air is removed, and the quality of the cooling air is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The utility model provides a kind of overall three-dimensional schematic diagram of the cooling air circulation channel of circular cooler;

[0025] Figure 2 The utility model provides a kind of air suction plate, air suction fan, air suction pipe, total exhaust pipe, waste heat utilization box, liquid inlet pipe, liquid outlet pipe, filter assembly, total return air pipe, air supply pipe, air supply fan, air outlet plate, heat dissipation fan unit structural schematic diagram of the cooling air circulation channel of circular cooler;

[0026] Figure 3 The utility model provides a kind of waste heat utilization box section internal structure schematic diagram of the cooling air circulation channel of circular cooler;

[0027] Figure 4 The utility model provides a kind of air suction plate, air suction fan, air suction pipe, total exhaust pipe, heat exchange assembly, filter assembly, total return air pipe, air supply pipe, air supply fan, air outlet plate structural schematic diagram of the cooling air circulation channel of circular cooler.

[0028] LEGEND:

[0029] 1, ring cooling machine body; 2, suction plate; 3, exhaust fan; 4, exhaust pipe; 5, total exhaust pipe; 6, waste heat utilization box; 7, first heat exchange cavity; 8, second heat exchange cavity; 9, liquid inlet pipe; 10, liquid outlet pipe; 11, heat exchange assembly; 111, air inlet box; 112, heat exchange pipe; 113, air outlet box; 12, air outlet pipe; 13, filter assembly; 131, filter machine box; 132, filter plate; 14, total return air pipe; 15, air supply pipe; 16, air supply fan; 17, air outlet plate; 18, heat dissipation fan unit. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] Referring to Figure 1 , Figure 3 and Figure 4The utility model provides an embodiment: a cooling air circulation channel of ring cooling machine, including ring cooling machine body 1, the inner wall top of ring cooling machine body 1 is fixedly connected with the air suction plate 2 for hot exhaust gas suction, the top of ring cooling machine body 1 is fixedly connected with the exhaust fan 3 of providing suction power, the upper and lower ends of exhaust fan 3 are fixedly connected with the exhaust pipe 4, the exhaust pipe 4 of exhaust fan 3 output end is fixedly connected with total exhaust pipe 5, the inner wall bottom end of ring cooling machine body 1 is fixedly connected with the air outlet plate 17 for circulating cooling air and blows in, the bottom end of ring cooling machine body 1 is fixedly connected with the air supply fan 16 of providing circulating air supply power, the upper and lower ends of air supply fan 16 are fixedly connected with the air supply pipe 15, the air supply pipe 15 of air supply fan 16 input end is fixedly connected with total return air pipe 14, the left side of ring cooling machine body 1 is fixedly connected with the waste heat utilization box 6 for sintering ring cooling machine operation produces high temperature flue gas waste heat utilization and hot exhaust gas cooling circulation processing, the inside of waste heat utilization box 6 is sequentially provided with two independent liquid cooling heat exchange's first heat exchange cavity 7 and second heat exchange cavity 8 from top to bottom, the upper and lower ends of the front of waste heat utilization box 6 are fixedly connected with the liquid inlet pipe 9 of input cold water, the upper and lower ends of the back of waste heat utilization box 6 are fixedly connected with the liquid outlet pipe 10 of output hot water, the inside between first heat exchange cavity 7 and second heat exchange cavity 8 is provided with heat exchange assembly 11 for high temperature flue gas and circulating cold water heat exchange waste heat utilization, heat exchange assembly 11 includes the air inlet box 111 and air outlet box 113 for shunting hot exhaust gas and carries out high efficiency circulation heat exchange, the bottom of air inlet box 111 is fixedly connected to the inner wall bottom end of first heat exchange cavity 7, the bottom of air outlet box 113 is fixedly connected with the inner wall bottom end of second heat exchange cavity 8, the heat exchange pipe 112 of U type pipe structure is connected through between air inlet box 111 and air outlet box 113, and heat exchange pipe 112 is equally spaced and is provided with multiple, the right side of air inlet box 111 is fixedly connected with the output end of total exhaust pipe 5, the right side of air outlet box 113 is fixedly connected with air outlet pipe 12, the bottom center of filter machine box 131 is fixedly connected with the input end of total return air pipe 14, when sintering ring cooling machine is in operation, cooling air blows in from the bottom air outlet plate 17, cooling air passes through the grate of trolley upwards, and heat exchange is carried out with sinter on the trolley, and the heated cooling air becomes hot exhaust gas, then is discharged from the air suction plate 2 of the upper portion of ring cooling machine, and enters the inside of waste heat utilization box 6, carries out high efficiency circulation heat exchange waste heat utilization's hot exhaust gas cooling processing through heat exchange assembly 11 for shunting high temperature hot exhaust gas and circulating cold water, and through the cooling air after heat exchange, can re-enter the circulating energy-saving cooling cooling of sintering ring cooling machine under the drive of air supply fan 16.

[0032] Reference Figures 1-3The front edge of the bottom of the waste heat utilization box 6 is fixedly provided with a filtering assembly 13 for cooling air circulation purification filtering treatment, the filtering assembly 13 comprises a filtering machine box 131, the top of the filtering machine box 131 is fixedly connected to the front edge of the bottom of the waste heat utilization box 6, the front face of the filtering machine box 131 is embedded with a replaceable filtering plate 132, the output end of the air outlet pipe 12 is fixedly connected to the top center of the filtering machine box 131, and the bottom end of the filtering machine box 131 is fixedly connected with the rear edge of the bottom of the waste heat utilization box 6, and the heat dissipation fan unit 18 is used for further cooling of the cooling air after filtering and cooling.

[0033] Working principle: when the sintering ring cooler is running, the cooling air is blown into the ring cooler body 1 from the bottom air outlet plate 17, the cooling air passes through the grate plate of the trolley upwards and exchanges heat with the sinter on the trolley, the heated cooling air becomes hot waste gas, and then is discharged from the air suction plate 2 at the upper part of the ring cooler body 1 and enters the waste heat utilization box 6, and then is connected with the multiple heat exchange pipes 112 in the first heat exchange cavity 7 and the second heat exchange cavity 8 of the waste heat utilization box 6 through the air inlet box 111 and the air outlet box 113, and then is subjected to hot waste gas cooling treatment through the high-efficiency flow circulation heat exchange of the hot waste gas and the cooling water flowing through the liquid inlet pipe 9, and then the cooling air after heat exchange enters the filtering machine box 131 through the air outlet pipe 12, and then is subjected to purification filtering treatment of the cooling air after water-cooled waste heat heat exchange through the replaceable and detachable filtering plate 132 in the filtering machine box 131, and then is driven by the air blower 16 to re-enter the ring cooler body 1 through the air outlet plate 17 to realize energy-saving cooling and temperature reduction, and then the heat dissipation fan unit 18 is used for one-step temperature reduction of the cooling air after filtering and cooling, that is, the cooling air circulation use of odor purification, sufficient cooling and waste heat utilization is completed.

[0034] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A cooling air circulation passage of a ring cooler, comprising a ring cooler body (1), characterized in that: The inner wall top of the ring cooling machine body (1) is fixedly connected with an air suction plate (2), the top of the ring cooling machine body (1) is fixedly connected with an air extractor (3), the upper and lower ends of the air extractor (3) are fixedly connected with air extraction pipes (4), the air extraction pipes (4) at the output end of the air extractor (3) are fixedly connected with a total air exhaust pipe (5), the inner wall bottom end of the ring cooling machine body (1) is fixedly connected with an air outlet plate (17), the bottom end of the ring cooling machine body (1) is fixedly connected with an air feeder (16), the upper and lower ends of the air feeder (16) are fixedly connected with air feeding pipes (15), the air feeding pipes (15) at the input end of the air feeder (16) are fixedly connected with a total air return pipe (14), the left side of the ring cooling machine body (1) is fixedly connected with a waste heat utilization box (6), the inside of the waste heat utilization box (6) is sequentially provided with a first heat exchange cavity (7) and a second heat exchange cavity (8) from top to bottom, a heat exchange assembly (11) is arranged between the interiors of the first heat exchange cavity (7) and the second heat exchange cavity (8), the upper and lower ends of the front face of the waste heat utilization box (6) are fixedly connected with liquid inlet pipes (9), the upper and lower ends of the back face of the waste heat utilization box (6) are fixedly connected with liquid outlet pipes (10), and the front edge of the bottom of the waste heat utilization box (6) is fixedly provided with a filtering assembly (13).

2. The cooling air circulation passage of a ring cooler according to claim 1, characterized by: The heat exchange assembly (11) comprises an air inlet box (111) and an air outlet box (113), the bottom of the air inlet box (111) is fixedly connected to the inner wall bottom end of the first heat exchange cavity (7), the bottom of the air outlet box (113) is fixedly connected to the inner wall bottom end of the second heat exchange cavity (8), and the air inlet box (111) and the air outlet box (113) are throughly connected with heat exchange pipes (112).

3. A cooling air circulation channel of a ring cooler according to claim 2, characterized in that: The heat exchange pipes (112) are in U-shaped pipeline structures, and a plurality of heat exchange pipes (112) are arranged at equal intervals.

4. The cooling air circulation passage of a ring cooler according to claim 2, characterized by: The right side of the air inlet box (111) is fixedly connected with the output end of the total air exhaust pipe (5), and the right side of the air outlet box (113) is fixedly connected with an air outlet pipe (12).

5. The cooling air circulation channel of a ring cooler according to claim 1, characterized in that: The filtering assembly (13) comprises a filtering machine box (131), and the top of the filtering machine box (131) is fixedly connected to the front edge of the bottom of the waste heat utilization box (6), and the front face of the filtering machine box (131) is embeddedly connected with a filter plate (132).

6. A cooling air circulation channel of a ring cooler according to claim 4 or 5, characterized in that: The output end of the air outlet pipe (12) is fixedly connected to the top center of the filtering machine box (131), and the input end of the total air return pipe (14) is fixedly connected to the bottom center of the filtering machine box (131).

7. The cooling air circulation channel of a ring cooler according to claim 5, characterized in that: The bottom end of the filtering machine box (131) and the rear edge of the bottom of the waste heat utilization box (6) are fixedly connected with a heat dissipation fan unit (18).

8. The cooling air circulation channel of a ring cooler according to claim 1, characterized in that: The air extraction pipes (4) and the air feeding pipes (15) are all provided with a plurality of.

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