CN212057308U - Smoke double-pass cooling device - Google Patents
Smoke double-pass cooling device Download PDFInfo
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- CN212057308U CN212057308U CN202020490547.5U CN202020490547U CN212057308U CN 212057308 U CN212057308 U CN 212057308U CN 202020490547 U CN202020490547 U CN 202020490547U CN 212057308 U CN212057308 U CN 212057308U
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Abstract
The utility model belongs to the technical field of flue gas cooling device technique and specifically relates to a flue gas double pass cooling device. The cooling device comprises a cooling device front plate, a cooling device front plate and a cooling device back plate, wherein a plurality of openings are arranged on the plate body of the cooling device front plate at intervals, a sealing fixing cover in a triangular prism shape is arranged on each opening, air inlets which are symmetrical left and right are formed in the front end face of the sealing fixing cover, the back end of the sealing fixing cover is communicated with the opening of the front plate, and the included angle between the front end face of the sealing fixing cover and the front plate is 8-20 degrees; a hot air flow guide mechanism is fixed on the rear end surface of the U-shaped side cover; the middle part of the inner wall of the lower diversion sealing cover is provided with a baffle plate, the upper end of the baffle plate is fixedly connected with the lower end of the lower plate, the lower diversion sealing cover is divided into two chambers which are independent from each other by the baffle plate, a flue gas inlet is formed in a side plate of the lower diversion sealing cover corresponding to the chamber at the left end, and a flue gas outlet is formed in a side plate of the lower diversion sealing cover corresponding to the chamber at the right end. The utility model discloses compact structure, area occupied are little, the cost is low, and the flue gas is difficult for forming the overcooling through once buckling extension cooling time.
Description
Technical Field
The utility model belongs to the technical field of flue gas cooling device technique and specifically relates to a flue gas double pass cooling device.
Background
The flue gas discharged from the cremator or other incinerators has high temperature, and can be subjected to subsequent treatment processes such as pollutant removal and dust removal after being cooled. The high-temperature flue gas cooling device mainly comprises a water cooling type and an air cooling type, wherein the air cooling type high-temperature flue gas cooling device has the advantages of no introduction of an external water source, low energy consumption, reasonable cooling, difficulty in causing excessive cooling and the like, and is widely applied.
The flue gas temperature discharged from the cremator or other incinerators is different, when the temperature is very high, the flue gas temperature cannot be well reduced to 150-.
Although the structure arrangement mode of the multi-stage flue gas cooling device can achieve a good cooling effect, the structure is complex, the manufacturing cost is high, and more importantly, excessive cooling is easily caused, so that the temperature of flue gas entering a follow-up bag-type dust collector is too low, and the dew point is reached, thereby forming dew condensation corrosion on pipelines, bags and the like behind the cooling device. In addition, the existing multi-stage cooling method for flue gas has many disadvantages in use, such as: the lateral wall of cooling device all adopts network structure, perhaps be provided with the gas outlet corresponding with the fan on the backplate of device, so that in time get rid of hot-blastly, but this kind of steam discharge mode is when indoor use, very easily arouse indoor temperature surge, the fan generally adopts the strengthening rib to fix in device one end, the wind level that the fan blew off blows to the cooling tube in the device, the tube side of high temperature flue gas heat dissipation pipe is walked, the heat is taken away by the fan after the heat absorption is closed to the cooling tube, but this kind of setting mode operating personnel can experience stronger wind-force when the fan, can arouse the discomfort of health.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flue gas double-pass cooling device overcomes among the aforementioned prior art multistage cooling device structure complicacy, manufacturing cost are high, cause excessive cooling easily, cause the indoor temperature suddenly to increase easily and operating personnel can experience stronger wind-force when the fan and arouse that the health is uncomfortable not enough.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a flue gas two-pass cooling device, includes front bezel, left board, right board, upper plate and hypoplastron, wherein:
the left plate is arranged at the left end of the rear end face of the front plate, the right plate is arranged at the right end of the rear end face of the front plate, the left plate and the right plate form a U-shaped side cover, the upper plate is arranged at the upper end face of the U-shaped side cover, the lower plate is arranged at the lower end face of the U-shaped side cover, radiating tubes are arranged between the upper plate and the lower plate in a rectangular array, a lower flow guide sealing cover is fixed at the lower end of the lower plate, an upper flow guide sealing cover is fixed at the upper end of the upper plate, the lower ends of the radiating tubes penetrate out of the lower plate downwards and are communicated with the lower flow guide sealing cover, and the upper ends of the radiating tubes penetrate;
the plate body of the front plate is provided with a plurality of openings at intervals from top to bottom, a sealing and fixing cover in a triangular prism shape is mounted on each opening, air inlets which are symmetrical left and right are formed in the front end face of each sealing and fixing cover, the rear end of each sealing and fixing cover is communicated with the opening of the front plate, and the included angle between the front end face of each sealing and fixing cover and the front plate is 8-20 degrees;
the rear end surface of the U-shaped side cover is fixedly provided with a hot air flow guide mechanism;
a partition plate is arranged in the middle of the inner wall of the lower diversion seal cover, the upper end of the partition plate is fixedly connected with the lower end of the lower plate, the lower diversion seal cover is divided into two chambers which are independent from each other left and right by the partition plate, a smoke inlet is formed in the lower diversion seal cover side plate corresponding to the chamber at the left end, and a smoke outlet is formed in the lower diversion seal cover side plate corresponding to the chamber at the right end;
when in use, high-temperature flue gas enters from a flue gas inlet, enters the left radiating pipe from the cavity at the left end of the partition plate through the separation of the partition plate, the pipe wall of the radiating pipe absorbs the heat of the flue gas, the air blown by the fan enters from the air inlet, the air body carries the heat of the pipe wall of the radiating pipe, enters the hot air flow guide mechanism and is discharged to the outside through the hot air flow guide mechanism, the flue gas in the radiating pipe rises and is cooled at the same time until entering the upper flow guide sealing cover and enters the right radiating pipe through the upper flow guide sealing cover, the air body entering from the air inlet at the right end of the right radiating pipe in the right radiating pipe continues to be cooled and then reaches the cavity at the right end of the partition plate of the lower flow guide sealing cover, and is finally discharged to subsequent flue gas treatment equipment from a flue gas outlet, the whole device has compact structure, small occupied area and low, the indoor air cannot be increased suddenly, and due to the fact that the air inlet is arranged in an inclined mode, the air body is prevented from blowing directly, and operators cannot feel large air flow fluctuation when passing through the vicinity of the smoke double-pass cooling device, and therefore physical discomfort of the operators caused by the fan is avoided.
Further, hot-blast water conservancy diversion mechanism includes the kuppe, the kuppe is sealed with the rear end face of "U" type side cover, and the up end of kuppe is provided with the air outlet, the air outlet communicates with exhaust duct's top, and exhaust duct's end sets up in the workshop outside, and the cold wind that the fan blew off has absorbed the heat back temperature increase of cooling tube, and the steam after heating flows through the kuppe and gets into exhaust duct and finally discharge outdoors, rather than directly giving off to the ambient air in, has avoided the sudden increase of room air.
Furthermore, the air inlet at the left end of the front end face of the sealing fixed cover corresponds to the lower diversion seal cover chamber at the left end of the partition plate in position, and the air inlet at the right end of the front end face of the sealing fixed cover corresponds to the lower diversion seal cover chamber at the right end of the partition plate in position, so that the best cooling effect can be exerted, and the cooling efficiency can be improved.
Furthermore, an axial flow fan is fixed on the sealing fixed cover and communicated with the air inlet, so that the axial flow fan is stable and fixed, safe air exhaust is realized, and high-efficiency cooling effect on high-temperature flue gas is realized.
Furthermore, ash discharge openings are formed in the lower diversion seal cover side plate at the left end of the partition plate and the lower diversion seal cover side plate at the right end of the partition plate, a baffle plate is fixed on each ash discharge opening through a bolt, the double-pass cooling device for flue gas is used for a period of time and then screws down the bolt, the baffle plate is taken down, and dust in cavities at the left end of the partition plate and the right end of the partition plate in the lower diversion seal cover is cleaned through the ash discharge openings.
Furthermore, the outer wall of the radiating pipe is provided with spiral fins, so that the radiating effect is enhanced.
Furthermore, the flue gas inlet is communicated with a smoke exhaust pipeline of the cremation machine, and an air blower is arranged on the smoke exhaust pipeline.
The utility model has the advantages that: compared with the prior art, the utility model discloses a flue gas double pass cooling device has following advantage: (1) the whole device has compact structure, small occupied area and low cost, and the flue gas is bent once to prolong the cooling time, so that the flue gas is not easy to form excessive cooling; (2) the hot air flows through the hot air flow guide mechanism and is discharged to the outside, so that the sudden increase of indoor air is avoided; (3) because the air inlet is obliquely arranged, the direct blowing of the air body is avoided, and operators cannot feel large air flow fluctuation when passing through the vicinity of the smoke double-pass cooling device, so that the discomfort of the operators caused by the fan is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the U-shaped side cover structure of the present invention;
FIG. 3 is another angle structure diagram of the U-shaped side cover of the present invention;
FIG. 4 is a schematic structural view of the lower diversion sealing cover of the present invention;
wherein, 1 front bezel, 2 left boards, 3 right boards, 4 upper plates, 5 hypoplastron, 6 cooling tubes, 7 lower water conservancy diversion sealed cowlings, 8 upper water conservancy diversion sealed cowlings, 9 openings, 10 sealed fixed cowlings, 11 air intakes, 12 baffles, 13 flue gas inlets, 14 flue gas exports, 15 water conservancy diversion covers, 16 air outlets, 17 row ash mouths, 18 baffles.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.
In the embodiment shown in fig. 1-4, a two-pass flue gas cooling device comprises a front plate 1, a left plate 2, a right plate 3, an upper plate 4 and a lower plate 5, wherein:
the left plate 2 is arranged at the left end of the rear end face of the front plate 1, the right plate 3 is arranged at the right end of the rear end face of the front plate 1, the left plate 2 and the right plate 3 form a U-shaped side cover, the upper plate 4 is arranged at the upper end face of the U-shaped side cover, the lower plate 5 is arranged at the lower end face of the U-shaped side cover, radiating pipes 6 are arranged between the upper plate 4 and the lower plate 5 in a rectangular array, a lower diversion sealing cover 7 is fixed at the lower end of the lower plate 5, an upper diversion sealing cover 8 is fixed at the upper end of the upper plate 4, the lower ends of the radiating pipes 6 penetrate through the lower plate 5 downwards and are communicated with the lower diversion sealing cover 7, and the upper ends of the radiating pipes 6 penetrate through the upper plate 4;
a plurality of openings 9 are arranged on the plate body of the front plate 1 at intervals from top to bottom, a sealing fixing cover 10 in a triangular prism shape is arranged on each opening 9, air inlets 11 which are symmetrical left and right are formed in the front end face of each sealing fixing cover 10, the rear end of each sealing fixing cover 10 is communicated with the opening 9 of the front plate 1, and the included angle between the front end face of each sealing fixing cover 10 and the front plate 1 is 8-20 degrees;
the rear end surface of the U-shaped side cover is fixedly provided with a hot air flow guide mechanism;
a partition plate 12 is arranged in the middle of the inner wall of the lower diversion sealing cover 7, the upper end of the partition plate 12 is fixedly connected with the lower end of the lower plate 5, the lower diversion sealing cover 7 is divided into two chambers which are independent from each other left and right by the partition plate 12, a smoke inlet 13 is arranged on the side plate of the lower diversion sealing cover 7 corresponding to the chamber at the left end, and a smoke outlet 14 is arranged on the side plate of the lower diversion sealing cover 7 corresponding to the chamber at the right end;
high-temperature flue gas enters from a flue gas inlet 13, is separated by a partition plate 12, enters the left radiating pipe 6 from a cavity at the left end of the partition plate 12, the pipe wall of the radiating pipe 6 absorbs the heat of the flue gas, air blown by a fan enters from an air inlet 11, the air carries the heat of the pipe wall of the radiating pipe 6, enters a hot air flow guide mechanism and is discharged to the outside through the hot air flow guide mechanism, the flue gas in the radiating pipe 6 rises and cools at the same time until entering an upper flow guide sealing cover 8 and enters the right radiating pipe 6 through the upper flow guide sealing cover 8, the air entering the right radiating pipe 6 through the air inlet 11 at the right end continues to be cooled and then reaches the cavity at the right end of the partition plate 12 of a lower flow guide sealing cover 7, and is finally discharged to subsequent flue gas treatment equipment from a flue gas outlet 14, the whole device has compact structure, small occupied area and low manufacturing cost, the hot air flows through the hot air guide mechanism and is discharged to the outdoor, so that the indoor air cannot be increased suddenly, and the air inlet 11 is obliquely arranged, so that the direct blowing of the air body is avoided, and an operator cannot feel great air flow fluctuation when passing through the vicinity of the smoke double-pass cooling device, and the discomfort of the operator caused by the fan is avoided.
In this embodiment, hot-blast guiding mechanism includes kuppe 15, kuppe 15 is sealed with the rear end face of "U" type side cover, and kuppe 15's up end is provided with air outlet 16, air outlet 16 and exhaust duct's top intercommunication, exhaust duct's end sets up in the workshop outside, and the cold wind that the fan blew out has absorbed the heat back temperature increase of cooling tube 6, and the hot gas after heating flows through kuppe 15 and gets into exhaust duct and finally discharge outdoor, rather than directly giving off to the ambient air in, has avoided the sudden increase of room air.
In this embodiment, the air inlet 11 at the left end of the front end surface of the sealing fixing cover 10 corresponds to the cavity of the lower diversion sealing cover 7 at the left end of the partition plate 12, and the air inlet 11 at the right end of the front end surface of the sealing fixing cover 10 corresponds to the cavity of the lower diversion sealing cover 7 at the right end of the partition plate 12, so that the best cooling effect can be exerted, and the cooling efficiency can be improved.
In this embodiment, an axial flow fan (not shown in the figure) is fixed on the sealing fixing cover 10, and the axial flow fan is communicated with the air inlet 11, so that the axial flow fan is stably fixed, the air is safely exhausted, and the high-temperature flue gas is efficiently cooled.
In this embodiment, the dust discharge port 17 is formed in both the side plate of the lower diversion seal cover 7 at the left end of the partition plate 12 and the side plate of the lower diversion seal cover 7 at the right end of the partition plate 12, the baffle plate 18 is fixed on the dust discharge port 17 through a bolt, the flue gas double-pass cooling device is used for a period of time and then the bolt is screwed down, the baffle plate 18 is taken down, and dust in the cavities at the left end of the partition plate 12 and the right end of the partition plate 12 in the lower diversion seal cover 7 is cleaned through the dust discharge port 17.
In this embodiment, the outer wall of the heat dissipation pipe 6 is provided with spiral fins (not shown in the figure), so as to enhance the heat dissipation effect.
In this embodiment, the flue gas inlet 13 is communicated with a smoke exhaust pipeline of the cremation machine, and the smoke exhaust pipeline is provided with an air blower.
The working principle is as follows: the utility model discloses a flue gas two-way cooling device, during the use, high temperature flue gas gets into from flue gas entry 13, through the separation of baffle 12, inside cavity from baffle 12 left end gets into left cooling tube 6, the heat of flue gas is absorbed to cooling tube 6 pipe wall, the wind that the fan blew off gets into from air intake 11, the wind body takes away the heat of cooling tube 6 pipe wall and gets into hot-blast guiding mechanism and is arranged to the open air through hot-blast guiding mechanism, flue gas in cooling tube 6 rises on one side and cools off, until getting into upper diversion seal cover 8, and get into in cooling tube 6 on right side through upper diversion seal cover 8, in the cooling tube 6 on right side, the wind body that gets into from right-hand member air intake 11 continues to cool off and arrives down in the cavity of diversion seal cover 7 baffle 12 right-hand member, and finally arrange to subsequent flue gas treatment facility from exhanst gas outlet 14, whole device, The cost is low, and the flue gas is through once buckling extension cooling time, is difficult for forming the overcooling, and hot-blast water conservancy diversion mechanism of steam flow through arranges to outdoor, can not make indoor air increase suddenly, and because the slope of air intake 11 sets up, has avoided the wind body to blow directly, and operating personnel can not experience great air current when passing near flue gas double-pass cooling device undulant, consequently avoided the operating personnel health that the fan arouses uncomfortable.
The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a flue gas two-pass cooling device which characterized in that: including front bezel, left board, right board, upper plate and hypoplastron, wherein:
the left plate is arranged at the left end of the rear end face of the front plate, the right plate is arranged at the right end of the rear end face of the front plate, the left plate and the right plate form a U-shaped side cover, the upper plate is arranged at the upper end face of the U-shaped side cover, the lower plate is arranged at the lower end face of the U-shaped side cover, radiating tubes are arranged between the upper plate and the lower plate in a rectangular array, a lower flow guide sealing cover is fixed at the lower end of the lower plate, an upper flow guide sealing cover is fixed at the upper end of the upper plate, the lower ends of the radiating tubes penetrate out of the lower plate downwards and are communicated with the lower flow guide sealing cover, and the upper ends of the radiating tubes penetrate;
the plate body of the front plate is provided with a plurality of openings at intervals from top to bottom, a sealing and fixing cover in a triangular prism shape is mounted on each opening, air inlets which are symmetrical left and right are formed in the front end face of each sealing and fixing cover, the rear end of each sealing and fixing cover is communicated with the opening of the front plate, and the included angle between the front end face of each sealing and fixing cover and the front plate is 8-20 degrees;
the rear end surface of the U-shaped side cover is fixedly provided with a hot air flow guide mechanism;
the middle part of the inner wall of the lower diversion sealing cover is provided with a baffle plate, the upper end of the baffle plate is fixedly connected with the lower end of the lower plate, the lower diversion sealing cover is divided into two chambers which are independent from each other by the baffle plate, a flue gas inlet is formed in a side plate of the lower diversion sealing cover corresponding to the chamber at the left end, and a flue gas outlet is formed in a side plate of the lower diversion sealing cover corresponding to the chamber at the right end.
2. The flue gas two-pass cooling device according to claim 1, characterized in that: the hot-blast water conservancy diversion mechanism includes the kuppe, the kuppe is sealed with the rear end face of "U" type side cover, and the up end of kuppe is provided with the air outlet, the air outlet communicates with exhaust duct's top, and exhaust duct's end sets up in the workshop outside.
3. The flue gas two-pass cooling device according to claim 1, characterized in that: the air inlet at the left end of the front end face of the sealing fixed cover corresponds to the lower diversion seal cover chamber at the left end of the partition plate, and the air inlet at the right end of the front end face of the sealing fixed cover corresponds to the lower diversion seal cover chamber at the right end of the partition plate.
4. A flue gas two-pass cooling device according to claim 1 or 3, characterized in that: and the sealing fixed cover is fixedly provided with an axial flow fan, and the axial flow fan is communicated with the air inlet.
5. The flue gas two-pass cooling device according to claim 1, characterized in that: the lower diversion sealing cover side plate at the left end of the partition plate and the lower diversion sealing cover side plate at the right end of the partition plate are both provided with an ash discharge port, and a baffle is fixed on the ash discharge port through a bolt.
6. The flue gas two-pass cooling device according to claim 1, characterized in that: the outer wall of the radiating pipe is provided with spiral fins.
7. The flue gas two-pass cooling device according to claim 1, characterized in that: the flue gas inlet is communicated with a smoke exhaust pipeline of the cremation machine, and an air blower is arranged on the smoke exhaust pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020490547.5U CN212057308U (en) | 2020-04-07 | 2020-04-07 | Smoke double-pass cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020490547.5U CN212057308U (en) | 2020-04-07 | 2020-04-07 | Smoke double-pass cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212057308U true CN212057308U (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020490547.5U Active CN212057308U (en) | 2020-04-07 | 2020-04-07 | Smoke double-pass cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212057308U (en) |
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2020
- 2020-04-07 CN CN202020490547.5U patent/CN212057308U/en active Active
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