CN220250047U - Boiler flue gas waste heat utilization device - Google Patents
Boiler flue gas waste heat utilization device Download PDFInfo
- Publication number
- CN220250047U CN220250047U CN202321623867.3U CN202321623867U CN220250047U CN 220250047 U CN220250047 U CN 220250047U CN 202321623867 U CN202321623867 U CN 202321623867U CN 220250047 U CN220250047 U CN 220250047U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- waste heat
- purifying box
- heat utilization
- utilization device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 239000003546 flue gas Substances 0.000 title claims abstract description 41
- 239000002918 waste heat Substances 0.000 title claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 238000011084 recovery Methods 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 13
- 239000002245 particle Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims 1
- 239000003517 fume Substances 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000008234 soft water Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to the technical field of boiler application, in particular to a boiler flue gas waste heat utilization device, which comprises a machine body, wherein a heating furnace and a recovery cavity are respectively arranged in the machine body, a purifying box communicated with the heating furnace is fixedly arranged in the recovery cavity, and a flue gas exhaust pipe extending to the outside of the machine body is integrally connected to the purifying box; the driving motor is fixedly arranged in the machine body, the driving shaft is fixedly connected to the output end of the driving motor, and the bearing sleeve in transmission connection with the driving shaft is rotatably arranged in the machine body. The utility model provides a driving shaft driven to rotate by a driving motor, a screen drum and a stirring shaft which are rotated in opposite directions are arranged by a driving belt, a driving gear and a driven gear which are connected in a meshed manner, a purifying box is arranged in a recycling cavity so as to perform primary selection on carbon particles in waste heat flue gas, and a rotating pressurizing cam is used for pressurizing a screen plate elastically supported by a reset spring so as to perform secondary selection on the flue gas, thereby ensuring clean discharge of the flue gas.
Description
Technical Field
The utility model relates to the technical field of boiler application, in particular to a boiler flue gas waste heat utilization device.
Background
The gas boiler is widely applied in industrial enterprises by continuously replacing the coal-fired boiler and the oil-fired boiler, but if the gas boiler is directly discharged, the steam of the gas boiler is directly discharged into the atmosphere, so that the atmospheric environment is polluted, and the heat energy is directly lost; in addition, the temperature of the condensed water just coming out of the gas boiler is higher, the direct heat loss is large, the condensed water is also directly lost, the water supplementing amount of the boiler is increased, and the soft water cost is correspondingly increased.
The prior art discloses a boiler flue gas waste heat utilization device such as the publication number CN 218884010U. The device can be used in series to achieve the purpose of utilizing waste heat as much as possible, but only the hot water medium rich in heat is recycled, but the heat is not recycled, so that unburned fuel is discharged along with a large amount of flue gas, and serious waste heat is caused to further exacerbate environmental pollution.
Disclosure of Invention
The utility model aims to solve the problem that waste heat recycling of boiler flue gas is difficult to realize in the prior art, and provides a boiler flue gas waste heat utilization device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the boiler flue gas waste heat utilization device comprises a machine body, wherein a heating furnace and a recovery cavity are respectively arranged in the machine body, a purifying box communicated with the heating furnace is fixedly arranged in the recovery cavity, and a flue gas exhaust pipe extending out of the machine body is integrally connected to the purifying box;
the flue gas recovery device is characterized in that a driving motor is fixedly installed in the machine body, the output end of the driving motor is fixedly connected with a driving shaft, a bearing sleeve in transmission connection with the driving shaft is rotatably installed in the machine body, a stirring shaft in transmission connection with the driving shaft is rotatably installed in the bearing sleeve, a screen cylinder for containing flue gas is fixedly connected on the bearing sleeve, and a separation mechanism driven by the screen cylinder is arranged in the recovery cavity.
Preferably, the recycling cavity and the heating furnace are arranged in the machine body from top to bottom.
Preferably, an air outlet pipe and an air return pipe are connected between the heating furnace and the purifying box, and a one-way valve for controlling the carbon particles to move unidirectionally from top to bottom is arranged on the air return pipe.
Preferably, a transmission belt is connected between the driving shaft and the bearing sleeve.
Preferably, the driving shaft and the stirring shaft are respectively connected with a driving gear and a driven gear in a meshed connection in a key way, and the stirring shaft extends into the screen cylinder.
Preferably, the separating mechanism comprises a telescopic rod which is sleeved in the purifying box in a sliding manner, a sieve plate is integrally connected to the telescopic rod, a reset spring fixedly connected with the purifying box is welded to the sieve plate, and a pressurizing cam which is eccentrically arranged and is in sliding abutment with the sieve plate is fixedly sleeved on the sieve cylinder.
Compared with the prior art, the utility model has the following advantages:
1. the utility model provides a driving shaft driven by a driving motor to rotate, and a screen drum and a stirring shaft which are rotated in opposite directions are arranged by a driving belt, a driving gear and a driven gear which are connected in a meshed manner, so that waste heat flue gas containing carbon particles is stirred and screened.
2. According to the utility model, the purifying box is arranged in the recycling cavity so as to perform primary separation on carbon particles in the waste heat flue gas, and the rotating pressurizing cam is utilized to press the sieve plate elastically supported by the reset spring so as to perform secondary separation on the flue gas, thereby ensuring clean discharge of the flue gas.
Drawings
FIG. 1 is a schematic diagram of a boiler flue gas waste heat utilization device according to the present utility model;
FIG. 2 is an enlarged schematic diagram of a part A of a boiler flue gas waste heat utilization device;
fig. 3 is a schematic diagram of a connection mechanism of a driving shaft, a bearing sleeve and a stirring shaft of the boiler flue gas waste heat utilization device.
In the figure: 1. a body; 2. a heating furnace; 3. a recovery chamber; 4. a purifying box; 5. an air outlet pipe; 6. an air return pipe; 7. a smoke exhaust pipe; 8. a driving motor; 9. a drive shaft; 10. a bearing sleeve; 11. a stirring shaft; 12. a transmission belt; 13. a drive gear; 14. a driven gear; 15. a screen drum; 16. a telescopic rod; 17. a sieve plate; 18. a return spring; 19. a boost cam.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-3, a boiler flue gas waste heat utilization device comprises a machine body 1, wherein a heating furnace 2 and a recovery cavity 3 are respectively arranged in the machine body 1, fuel is combusted in the heating furnace 2, but partial fuel is not completely combusted, along with the flue gas discharged out of the heating furnace 2, a purifying box 4 communicated with the heating furnace 2 is fixedly arranged in the recovery cavity 3, a flue gas discharge pipe 7 extending out of the machine body 1 is integrally connected to the purifying box 4, carbon particles separated by flue gas through the purifying box 4 flow back into the heating furnace 2, and the flue gas is discharged out of the machine body 1 through the flue gas discharge pipe 7;
the inside of the machine body 1 is fixedly provided with a driving motor 8, the output end of the driving motor 8 is fixedly connected with a driving shaft 9, the machine body 1 is rotatably provided with a bearing sleeve 10 in transmission connection with the driving shaft 9, the bearing sleeve 10 is rotatably provided with a stirring shaft 11 in transmission connection with the driving shaft 9, the bearing sleeve 10 is fixedly connected with a screen drum 15 for containing flue gas, further description is provided with a driving belt 12 between the driving shaft 9 and the bearing sleeve 10, the driving shaft 9 and the stirring shaft 11 are respectively connected with a driving gear 13 and a driven gear 14 in meshed connection in a key manner, the stirring shaft 11 extends into the screen drum 15, and the screen drum 15 and the stirring shaft 11 are enabled to rotate in opposite directions under the driving action of the driving motor 8, so that unburned carbon particles doped in the flue gas are separated.
The separating mechanism driven by the screen drum 15 is arranged in the recovery cavity 3, and further illustrates that the separating mechanism comprises a telescopic rod 16 sleeved in the purifying box 4 in a sliding manner, a screen plate 17 is integrally connected to the telescopic rod 16, a reset spring 18 fixedly connected with the purifying box 4 is welded on the screen plate 17, a pressurizing cam 19 eccentrically arranged and in sliding contact with the screen plate 17 is fixedly sleeved on the screen drum 15, the screen plate 17 is driven to move up and down, the screen plate 17 is prevented from being blocked by carbon particles, and the waste heat is fully recovered.
The recovery cavity 3 and the heating furnace 2 are arranged in the machine body 1 from top to bottom.
An air outlet pipe 5 and an air return pipe 6 are connected between the heating furnace 2 and the purifying box 4, and a one-way valve for controlling carbon particles to move unidirectionally from top to bottom is arranged on the air return pipe 6, so that the carbon particles which are not fully combusted in the heating furnace 2 enter the heating furnace 2 again to realize secondary combustion.
It should be noted that, the specific model specification of the motor needs to be determined by selecting the model according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so that the description is omitted.
The utility model can explain its functional principle by the following modes of operation:
the hot air in the heating furnace 2 moves into the purifying box 4 through the air outlet pipe 5 and enters the screen drum 15;
the output end of the driving motor 8 drives the driving shaft 9 to rotate, the driving shaft 9 drives the bearing sleeve 10 to rotate through the driving belt 12, and the bearing sleeve 10 drives the screen drum 15 to rotate clockwise;
the driving shaft 9 drives the stirring shaft 11 to rotate anticlockwise in the screen drum 15 through the driving gear 13 and the driven gear 14 so as to comprehensively stir the residual heat flue gas, so that carbon particles are separated out and enter the recovery cavity 3, and the flue gas is discharged out of the machine body 1 through the smoke exhaust pipe 7;
in the process of moving to the smoke exhaust pipe 7, the screen cylinder 15 drives the pressurizing cam 19 to rotate so as to squeeze the screen plate 17, and the screen plate 17 moves up and down under the tension of the reset spring 18 so as to screen the carbon particles again;
the insufficiently combusted carbon particles are returned to the heating furnace 2 through the return air pipe 6 to be re-combusted.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a boiler flue gas waste heat utilization device, includes organism (1), its characterized in that, heating furnace (2) and recovery chamber (3) have been seted up respectively in organism (1), and the interior fixed purifying box (4) that are linked together with heating furnace (2) that are provided with of recovery chamber (3), be connected with smoke tube (7) of discharging fume that extends to outside organism (1) on purifying box (4) an organic whole;
the utility model discloses a flue gas recovery device, including organism (1), fixed mounting has driving motor (8), and driving motor (8) output fixedly connected with drive shaft (9), organism (1) is rotated and is installed bearing sleeve (10) with drive shaft (9) transmission connection, and bearing sleeve (10) are rotated and are installed (11) of being connected with drive shaft (9) transmission, fixedly connected with is used for holding screen drum (15) of flue gas on bearing sleeve (10), and is provided with in recovery chamber (3) by screen drum (15) driven separating mechanism.
2. The boiler flue gas waste heat utilization device according to claim 1, wherein the recovery cavity (3) and the heating furnace (2) are arranged in the machine body (1) from top to bottom.
3. The boiler flue gas waste heat utilization device according to claim 1, wherein an air outlet pipe (5) and an air return pipe (6) are connected between the heating furnace (2) and the purifying box (4), and a one-way valve for controlling carbon particles to move unidirectionally from top to bottom is arranged on the air return pipe (6).
4. A boiler flue gas waste heat utilization device according to claim 1, characterized in that a transmission belt (12) is connected between the drive shaft (9) and the bearing sleeve (10).
5. A boiler flue gas waste heat utilization device according to claim 1, wherein the driving shaft (9) and the stirring shaft (11) are respectively connected with a driving gear (13) and a driven gear (14) in a meshed connection in a key manner, and the stirring shaft (11) extends into the screen drum (15).
6. The boiler flue gas waste heat utilization device according to claim 1, wherein the separation mechanism comprises a telescopic rod (16) which is sleeved in the purifying box (4) in a sliding manner, a screen plate (17) is integrally connected to the telescopic rod (16), a return spring (18) fixedly connected with the purifying box (4) is welded on the screen plate (17), and a pressurizing cam (19) which is eccentrically arranged and is in sliding contact with the screen plate (17) is fixedly sleeved on the screen drum (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321623867.3U CN220250047U (en) | 2023-06-26 | 2023-06-26 | Boiler flue gas waste heat utilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321623867.3U CN220250047U (en) | 2023-06-26 | 2023-06-26 | Boiler flue gas waste heat utilization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220250047U true CN220250047U (en) | 2023-12-26 |
Family
ID=89267954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321623867.3U Active CN220250047U (en) | 2023-06-26 | 2023-06-26 | Boiler flue gas waste heat utilization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220250047U (en) |
-
2023
- 2023-06-26 CN CN202321623867.3U patent/CN220250047U/en active Active
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