CN217005389U - Sintering machine flue gas utilization structure - Google Patents
Sintering machine flue gas utilization structure Download PDFInfo
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- CN217005389U CN217005389U CN202220559286.7U CN202220559286U CN217005389U CN 217005389 U CN217005389 U CN 217005389U CN 202220559286 U CN202220559286 U CN 202220559286U CN 217005389 U CN217005389 U CN 217005389U
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- water
- heat absorption
- flue gas
- baffle plate
- flue
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Abstract
The utility model discloses a flue gas utilization structure of a sintering machine, which comprises a plurality of heat absorption cases which are uniformly distributed in a flue and are parallel to the flow direction of flue gas, wherein the heat absorption cases are connected with a water inlet pipe and a water outlet pipe, the left side and the right side of each heat absorption case are correspondingly provided with a baffle plate, one side of each baffle plate is provided with a water flow heat exchange block, and the water flow heat exchange blocks are positioned in the heat absorption cases; a spray header is further arranged between adjacent heat absorption bags, a water collecting tray is further arranged in the flue, a water discharging pipe is connected to the water collecting tray, and a circulating water heat absorption sleeve is wrapped on the water discharging pipe outside the flue; according to the utility model, the heat absorption case is applied to achieve the purposes of smoke cooling and smoke heat utilization, the baffle plate is matched with the water flow heat exchange block, the heat exchange efficiency of smoke and water flow in the heat absorption case is effectively improved, and the spray header is applied to prevent dust from covering the surfaces of the heat absorption case and the baffle plate and keep the heat absorption case and the baffle plate to absorb heat effectively.
Description
Technical Field
The utility model relates to the field of sintering machine flue components, in particular to a sintering machine flue gas utilization structure.
Background
The flue gas temperature in the flue of the sintering machine is high, if the temperature reduction treatment is not carried out, the subsequent dust removal treatment is influenced, even the dust removal equipment is damaged, the flue gas temperature is reduced by a spraying temperature reduction method, but the heat in the flue gas is not effectively utilized, and certain energy waste is caused.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the background art, the utility model aims to provide a flue gas utilization structure of a sintering machine, which effectively solves the problems in the background art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a flue gas utilization structure of a sintering machine comprises a plurality of heat absorption cases which are uniformly distributed in a flue and are parallel to the flow direction of flue gas, wherein a water inlet pipe and a water outlet pipe are connected to each heat absorption case; a spray head is further arranged between adjacent heat absorption cases, a water collecting tray is further arranged in the flue, a water discharging pipe is connected to the water collecting tray, and a circulating water heat absorption sleeve wraps the water discharging pipe on the outer side of the flue.
Furthermore, the baffle plate is provided with an enlarged part, and the enlarged part is connected with the water flow heat exchange block.
Further, the enlarged portion is cylindrical.
Furthermore, the inner cavity of the heat absorption case is separated by the water flow heat exchange block, and a plurality of S-shaped overflowing holes are uniformly distributed in the water flow heat exchange block.
Furthermore, spray headers are arranged above the left side and the right side of each baffle plate.
The utility model has the following beneficial technical effects:
according to the utility model, the heat absorption case is applied to achieve the purposes of smoke cooling and smoke heat utilization, the baffle plate is matched with the water flow heat exchange block, the heat exchange efficiency of smoke and water flow in the heat absorption case is effectively improved, and the spray header is applied to prevent dust from covering the surfaces of the heat absorption case and the baffle plate and keep the heat absorption case and the baffle plate to absorb heat effectively.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention from a main viewing angle;
FIG. 2 is a schematic structural diagram of the left view angle of the embodiment of the present invention;
FIG. 3 is a schematic view of the overall structure of the heat absorption luggage of the embodiment of the utility model;
FIG. 4 is a schematic view of the overall structure of the heat absorption luggage of the embodiment of the utility model;
fig. 5 is a schematic view of the internal structure of a water flow heat exchange block according to an embodiment of the utility model.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-5, the flue gas utilization structure of a sintering machine according to the present embodiment includes a plurality of heat absorption cases 2 uniformly distributed in a flue 1 and parallel to the flow direction of flue gas, the heat absorption cases 2 are connected with a water inlet pipe 3 and a water outlet pipe 4, the left and right sides of the heat absorption cases 2 are correspondingly provided with baffle plates 5, one side of each baffle plate 5 is provided with a water flow heat exchange block 6, and the water flow heat exchange block 6 is located in the heat absorption cases 2; a spray header 7 is further arranged between the adjacent heat absorption boxes 2, a water collection tray 8 is further arranged in the flue 1, a water discharge pipe 9 is connected onto the water collection tray 8, a circulating water heat absorption sleeve 10 is wrapped on the water discharge pipe 9 on the outer side of the flue 1, and a circulating water inlet pipe 11 and a circulating water outlet pipe 12 are connected onto the circulating water heat absorption sleeve 10 and used for absorbing heat discharged by the water collection tray 8.
The baffle plate 5 is provided with the expanded part 13, the expanded part 13 is connected with the water flow heat exchange block 6, the expanded part 13 is cylindrical, the arrangement of the expanded part 13 increases the heat conduction area between the baffle plate 5 and the water flow heat exchange block 6, the problem that the heat conduction between the laminar baffle plate 5 and the water flow heat exchange block 6 is not smooth is avoided, the water flow heat exchange block 6 separates the inner cavity of the heat absorption suitcase 2, namely, the periphery of the water flow heat exchange block 6 is attached to the inner wall of the heat absorption suitcase 2, so that water flow can only pass through the water flow heat exchange block 6, the water flow heat exchange block 6 is uniformly provided with a plurality of S-shaped overflowing holes 14, the arrangement of the S-shaped overflowing holes 14 prolongs the flow path of the water flow, and is more favorable for heat absorption and temperature rise of the water flow, and the preferable heat absorption 2, the baffle plate 5, the expanded part 13 and the water flow heat exchange block 6 are all made of stainless steel.
The spray headers 7 are arranged above the left side and the right side of each baffle plate 5, so that spray water can be ensured to clean the left side and the right side of each baffle plate 5 and the front side and the rear side of the heat absorption case 2; the spray header 7 is connected with a water supply main pipe 16 through a water supply branch pipe 15, a water supply pump electrically connected with a timing switch is arranged on the preferable water supply main pipe 16, the start-stop time of the water supply pump can be determined according to the dust content in the smoke of the sintering machine in the use process, for example, after the preset working interval of the timing switch is finished (10 minutes), the timing switch is switched on, the water supply pump works, the spray header 7 sprays, and after the preset switching-on time of the timing switch is reached (2 minutes), the timing switch is switched off, the water supply pump stops, the spray header 7 stops spraying, the spray header 7 which controls water supply by using the timing switch can save water resources to a certain extent, and the balance is sought between the surface of the heat absorption case 2 and the surface of the baffle plate 5 and water saving.
The working principle of the embodiment is as follows:
water flow is pumped into each heat absorption box 2 from the water inlet pipe 3 through the water pump, smoke enters between the adjacent heat absorption boxes 2 and continuously moves forwards in a turning way under the action of the baffle plates 5, in the process, the baffle plates 5 and the heat absorption boxes 2 absorb heat and heat, heat of the baffle plates 5 is conducted to the water flow heat exchange blocks 6 through the expansion parts 13, meanwhile, the water flow flows in the heat absorption boxes 2 and is in contact with the heat absorption boxes 2 and the water flow heat exchange blocks 6 for heat exchange, and the water flow is discharged through the water outlet pipe 4 after absorbing heat and heating, so that the temperature of the smoke is reduced, the heat of the smoke is effectively utilized to heat the water flow, the heated water flow can be used as make-up water of a steam boiler, boiler fuel is saved, and the smoke with the reduced temperature is favorable for subsequent dust removal treatment; the shower head 7 sprays water to the surfaces of the heat absorption case 2 and the baffle plate 5, partial heat is taken away while dust covering is avoided, partial water flow flows into the drain pipe 9 through the water collecting disc 8, circulating water is introduced into the circulating water heat absorption sleeve 10, dividing wall heat exchange is carried out between the circulating water and the water in the drain pipe 9, the circulating water is heated up, the water flow in the drain pipe 9 is cooled, the circulating water after heating up can be used as factory production water, and subsequent sedimentation treatment in a pool is convenient after the water flow in the drain pipe 9 is cooled.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. A flue gas utilization structure of a sintering machine is characterized by comprising a plurality of heat absorption boxes which are uniformly distributed in a flue and parallel to the flow direction of flue gas, wherein a water inlet pipe and a water outlet pipe are connected to each heat absorption box; a spray head is further arranged between adjacent heat absorption cases, a water collecting tray is further arranged in the flue, a water discharging pipe is connected to the water collecting tray, and a circulating water heat absorption sleeve wraps the water discharging pipe on the outer side of the flue.
2. The flue gas utilization structure of the sintering machine according to claim 1, wherein the baffle plate is provided with an enlarged portion, and the enlarged portion is connected with the water flow heat exchange block.
3. The flue gas utilization structure of a sintering machine according to claim 2, wherein the enlarged portion is cylindrical.
4. The flue gas utilization structure of the sintering machine according to any one of claims 1 to 3, wherein the water flow heat exchange block separates the inner cavity of the heat absorption box, and a plurality of S-shaped overflowing holes are uniformly distributed in the water flow heat exchange block.
5. The flue gas utilization structure of the sintering machine according to claim 1, wherein spray headers are arranged above the left and right sides of each baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220559286.7U CN217005389U (en) | 2022-03-14 | 2022-03-14 | Sintering machine flue gas utilization structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220559286.7U CN217005389U (en) | 2022-03-14 | 2022-03-14 | Sintering machine flue gas utilization structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217005389U true CN217005389U (en) | 2022-07-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220559286.7U Active CN217005389U (en) | 2022-03-14 | 2022-03-14 | Sintering machine flue gas utilization structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217005389U (en) |
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2022
- 2022-03-14 CN CN202220559286.7U patent/CN217005389U/en active Active
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