CN210892743U - Pellet roasting waste heat recovery system - Google Patents
Pellet roasting waste heat recovery system Download PDFInfo
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- CN210892743U CN210892743U CN201921635990.0U CN201921635990U CN210892743U CN 210892743 U CN210892743 U CN 210892743U CN 201921635990 U CN201921635990 U CN 201921635990U CN 210892743 U CN210892743 U CN 210892743U
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- heat
- waste heat
- heat recovery
- heat storage
- fixedly connected
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model discloses a pellet calcination waste heat recovery system, including the waste heat recovery pipeline, the fixed heat-retaining mechanism that is equipped with in waste heat recovery pipeline's bottom, the one end fixedly connected with heat-absorbing cylinder of waste heat recovery pipeline, and the inside intercommunication of waste heat recovery pipeline and heat-absorbing cylinder, the inside fixed water tank that is equipped with of heat-absorbing cylinder, heat-retaining mechanism includes the heat-retaining inner tube, the nozzle and the waste heat recovery pipeline intercommunication on heat-retaining inner tube top, the equal swing joint of both sides inner wall of nozzle has the baffle, the first spring of top fixedly connected with of baffle, the one end of first spring and the inner wall fixed connection of nozzle, the inside sliding connection of heat-retaining inner tube has the piston, the bottom fixedly connected with telescopic link of piston, the inside bottom of bottom embedding heat-retaining inner tube of telescopic. The utility model relates to a pellet calcination waste heat recovery system can store the waste heat and recycle, improves the recovery effect of waste heat, realizes resource recycle, energy saving and consumption reduction.
Description
Technical Field
The utility model relates to a waste heat recovery system field, in particular to pellet calcination waste heat recovery system.
Background
After the pellets are roasted, the pellets are cooled after being discharged from the roasting chamber and meeting with cold air blown from the bottom, the roasted pellets contain waste heat, the waste heat can be discharged through an exhaust chimney, the total resource of the waste heat accounts for 17% -67% of the total fuel consumption, the recyclable waste heat resource accounts for 60% of the total resource of the waste heat, and resource waste is caused.
So basically can carry out the recovery processing to the waste heat after the pellet calcination, discharge after making waste heat resource obtain the utilization of maximize, not only save fuel, and play energy saving and emission reduction's effect, when the air current of steam is great when carrying out waste heat recovery, steam can all be discharged, make steam can not make full use of, and lead to the space pressure increase of retrieving the utensil easily, can lead to the thermal explosion seriously, and the steam exchanges the heat with the external world when flowing through the pipeline, thereby reduce the recovery effect of waste heat, make the waste heat can not fully be retrieved, cause certain wasting of resources.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pellet calcination waste heat recovery system to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a pellet roasting waste heat recovery system comprises a waste heat recovery pipeline, wherein a heat storage mechanism is fixedly arranged at the bottom of the waste heat recovery pipeline, one end of the waste heat recovery pipeline is fixedly connected with a heat absorption barrel, the waste heat recovery pipeline is communicated with the inside of the heat absorption barrel, and a water tank is fixedly arranged inside the heat absorption barrel;
the heat-retaining mechanism includes the heat-retaining inner tube, the nozzle and the waste heat recovery pipeline intercommunication on heat-retaining inner tube top, the equal swing joint of both sides inner wall of nozzle has the baffle, the first spring of top fixedly connected with of baffle, the one end of first spring and the inner wall fixed connection of nozzle, the inside sliding connection of heat-retaining inner tube has the piston, the bottom fixedly connected with telescopic link of piston, the bottom of telescopic link imbeds the inside bottom of heat-retaining inner tube, the outside cover of telescopic link is equipped with the second spring, the top of second spring and the bottom fixed connection of piston, the bottom of second spring and the inner wall fixed connection of heat-retaining inner tube.
Preferably, the heat storage outer cylinder is sleeved outside the heat storage inner cylinder, and a heat insulation soft felt is filled between the heat storage outer cylinder and the heat storage inner cylinder.
Preferably, one end of the baffle is embedded with a magnetic strip, and the magnetic poles of the opposite surfaces of the two magnetic strips are opposite.
Preferably, the bottom of two baffles is provided with an air inlet, and an air bag sleeve is embedded in the air inlet.
Preferably, the outside cover of water tank is equipped with the heat conduction cover, seted up a plurality of louvres on the heat conduction cover.
Preferably, one side top intercommunication of water tank has the inlet tube, one side bottom intercommunication of water tank has the outlet pipe, inlet tube and outlet pipe alternate with the inner wall of heat conduction cover respectively and are connected.
Preferably, the water tank is fixedly connected with the heat exchanger body through a water pipe, and the water tank is communicated with the inside of the heat exchanger body through a water pipe.
The utility model discloses a technological effect and advantage:
the utility model discloses a heat-retaining inner tube can store the waste heat and recycle, steam to in the waste heat recovery pipeline plays the cushioning effect simultaneously, adjust the pressure of steam in the waste heat recovery pipeline, security when improving waste heat recovery, the steam that utilizes the waste heat heats the water in the water tank, the workman of being convenient for bathes and uses, improve the recovery effect of waste heat, realize the resource and recycle, energy saving and consumption reduction, then discharge after utilizing the heat exchanger body to retrieve the steam heat transfer, guarantee the security after the gas outgoing.
Drawings
Fig. 1 is a schematic front structural view of the present invention;
fig. 2 is a schematic view of the enlarged structure of a part a in fig. 1 according to the present invention;
fig. 3 is a schematic view of the cross-sectional structure between the water tank and the heat conducting sleeve of the present invention.
In the figure: 1. a waste heat recovery pipeline; 2. an inner heat storage cylinder; 3. a heat insulating soft felt; 4. a heat storage outer cylinder; 5. a baffle plate; 6. a magnetic strip; 7. a first spring; 8. an air bag cover; 9. a piston; 10. a telescopic rod; 11. a heat absorbing cylinder; 12. a water tank; 13. a heat conducting sleeve; 14. heat dissipation holes; 15. a second spring; 16. a water inlet pipe; 17. a water outlet pipe; 18. the heat exchanger body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a pellet roasting waste heat recovery system as shown in figures 1-3, which comprises a waste heat recovery pipeline 1, wherein the bottom of the waste heat recovery pipeline 1 is fixedly provided with a heat storage mechanism, one end of the waste heat recovery pipeline 1 is fixedly connected with a heat absorption barrel 11, the waste heat recovery pipeline 1 is communicated with the interior of the heat absorption barrel 11, and the interior of the heat absorption barrel 11 is fixedly provided with a water tank 12;
the heat-retaining mechanism includes heat-retaining inner tube 2, the nozzle on 2 tops of heat-retaining inner tube and 1 intercommunication of waste heat recovery pipeline, the equal swing joint of both sides inner wall of nozzle has baffle 5, the first spring 7 of top fixedly connected with of baffle 5, the one end of first spring 7 and the inner wall fixed connection of nozzle, the inside sliding connection of heat-retaining inner tube 2 has piston 9, the bottom fixedly connected with telescopic link 10 of piston 9, the bottom of telescopic link 10 imbeds the inside bottom of heat-retaining inner tube 2, the outside cover of telescopic link 10 is equipped with second spring 15, the top of second spring 15 and the bottom fixed connection of piston 9, the bottom of second spring 15 and the inner wall fixed connection of heat-retaining inner tube 2, the diameter of water tank 12 is less than the diameter of heat absorption tube 11.
The heat storage outer cylinder 4 is sleeved outside the heat storage inner cylinder 2, the heat insulation soft felt 3 is filled between the heat storage outer cylinder 4 and the heat storage inner cylinder 2, the heat insulation soft felt 3 is utilized to play a heat insulation role in the heat storage inner cylinder 2, the amount of heat exchange between air flow and the outside is reduced, and the recovery utilization rate of waste heat is improved.
The one end of baffle 5 is inlayed and is equipped with magnetic stripe 6, the magnetic pole of 6 opposite faces of two magnetic stripes is opposite, the bottom of two baffles 5 is equipped with the air inlet, the inside of air inlet is inlayed and is equipped with gasbag cover 8, two magnetic stripes 6 inter attraction, so make two baffles 5 inter attraction, gasbag cover 8 branch air inlet region, middle part district and the district of giving vent to anger, the area in air inlet region and the district of giving vent to anger is the same, the area in middle part district is less than the area in air inlet region, so can extrude gasbag cover 8 when the air current of steam is great, the area increase in 8 middle part districts of gasbag cover this moment, the normal circulation of air feed stream, when the air current reduces, 8 reconversion of gasbag cover, stability when guaranteeing.
The outside cover of water tank 12 is equipped with heat conduction cover 13, has seted up a plurality of louvres 14 on the heat conduction cover 13, utilizes heat conduction cover 13 to play the heat conduction to water tank 12, makes the more absorption heat of the cold water in the water tank 12, utilizes louvre 14 to play the heat dissipation effect to water tank 12 simultaneously, prevents that the higher expansion state that appears of water tank 12 temperature.
One side top intercommunication of water tank 12 has inlet tube 16, and one side bottom intercommunication of water tank 12 has outlet pipe 17, and inlet tube 16 and outlet pipe 17 alternate with the inner wall of heat-conducting sleeve 13 respectively and are connected, and water tank 12 leads to pipe fixedly connected with heat exchanger body 18, and water tank 12 leads to pipe and the inside intercommunication of heat exchanger body 18.
This practical theory of operation:
during operation, the water inlet pipe 16 is communicated with a water source through the connecting part, cold water is filled into the water tank 12 through the water inlet pipe 16, hot gas of waste heat flows into the heat absorption cylinder 11 through the waste heat recovery pipeline 1, so that the temperature in the heat absorption cylinder 11 is raised, heat in the heat absorption cylinder 11 heats the water tank 12, the cold water in the water tank 12 is heated and then changed into hot water, the hot water in the water tank 12 flows out through the water outlet pipe 17 so as to be used for bathing or washing dishes in a dining room by workers, energy is saved, emission is reduced, residual waste heat in the heat absorption cylinder 11 flows through the heat exchanger body 18 through the water pipe and is discharged, the temperature of the waste heat is reduced, and the safety after;
when the hot air pressure in the waste heat recovery pipeline 1 is increased, hot air can impact the two baffles 5 on the heat storage inner cylinder 2, at the moment, the two baffles 5 rotate downwards to be separated, the first spring 7 is in a stretching state, the hot air enters the heat storage inner cylinder 2 to extrude the piston 9, the piston 9 moves downwards under the impact of the hot air, at the moment, the telescopic rod 10 is in a contracting state, the second spring 15 is in a compressing state, the hot air pressure in the waste heat recovery pipeline 1 is relieved by the aid of the heat storage inner cylinder 2, meanwhile, redundant hot air is stored, and the quantity of heat exchange between the hot air and the outside is reduced;
when the pressure of hot air in the waste heat recovery pipeline 1 is reduced, the piston 9 moves upwards under the action of the elastic force of the second spring 15, the telescopic rod 10 is in an extension state at the moment, the piston 9 discharges hot air in the heat storage inner cylinder 2 out of the heat storage inner cylinder 2, the two baffles 5 rotate upwards to be separated at the moment, the first spring 7 is in a compression state at the moment, and the hot air in the heat storage inner cylinder 2 is used for ensuring the normal supply of the hot air in the waste heat recovery pipeline 1;
when the hot air pressure in the waste heat recovery pipeline 1 is equal to the hot air pressure in the heat storage inner cylinder 2, the two baffles 5 are in a parallel state and are in contact with each other, and the magnetic stripes 6 on the two baffles 5 attract each other to fix the positions of the baffles 5.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. The utility model provides a pellet calcination waste heat recovery system, includes waste heat recovery pipeline (1), its characterized in that: the bottom of the waste heat recovery pipeline (1) is fixedly provided with a heat storage mechanism, one end of the waste heat recovery pipeline (1) is fixedly connected with a heat absorption barrel (11), the waste heat recovery pipeline (1) is communicated with the interior of the heat absorption barrel (11), and the interior of the heat absorption barrel (11) is fixedly provided with a water tank (12);
the heat storage mechanism comprises a heat storage inner cylinder (2), a cylinder opening at the top end of the heat storage inner cylinder (2) is communicated with the waste heat recovery pipeline (1), the inner walls of the two sides of the cylinder opening are movably connected with a baffle (5), the top end of the baffle (5) is fixedly connected with a first spring (7), one end of the first spring (7) is fixedly connected with the inner wall of the cylinder opening, the heat storage inner cylinder (2) is connected with a piston (9) in a sliding way, the bottom end of the piston (9) is fixedly connected with a telescopic rod (10), the bottom of the telescopic rod (10) is embedded into the bottom end of the inner heat storage cylinder (2), a second spring (15) is sleeved outside the telescopic rod (10), the top end of the second spring (15) is fixedly connected with the bottom end of the piston (9), the bottom end of the second spring (15) is fixedly connected with the inner wall of the heat storage inner cylinder (2).
2. The pellet roasting waste heat recovery system of claim 1, characterized in that: the heat storage device is characterized in that a heat storage outer cylinder (4) is sleeved outside the heat storage inner cylinder (2), and a heat insulation soft felt (3) is filled between the heat storage outer cylinder (4) and the heat storage inner cylinder (2).
3. The pellet roasting waste heat recovery system of claim 1, characterized in that: magnetic stripes (6) are embedded in one end of the baffle (5), and the magnetic poles of the opposite surfaces of the two magnetic stripes (6) are opposite.
4. The pellet roasting waste heat recovery system of claim 1, characterized in that: two the bottom of baffle (5) is equipped with the air inlet, the inside of air inlet is inlayed and is equipped with gasbag cover (8).
5. The pellet roasting waste heat recovery system of claim 1, characterized in that: the outside cover of water tank (12) is equipped with heat conduction cover (13), a plurality of louvres (14) have been seted up on heat conduction cover (13).
6. The pellet roasting waste heat recovery system of claim 1, characterized in that: one side top intercommunication of water tank (12) has inlet tube (16), one side bottom intercommunication of water tank (12) has outlet pipe (17), inlet tube (16) and outlet pipe (17) alternate with the inner wall of heat-conducting sleeve (13) respectively and are connected.
7. The pellet roasting waste heat recovery system of claim 1, characterized in that: the water tank (12) is fixedly connected with a heat exchanger body (18) through a water pipe, and the water tank (12) is communicated with the inside of the heat exchanger body (18) through a water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921635990.0U CN210892743U (en) | 2019-09-27 | 2019-09-27 | Pellet roasting waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921635990.0U CN210892743U (en) | 2019-09-27 | 2019-09-27 | Pellet roasting waste heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210892743U true CN210892743U (en) | 2020-06-30 |
Family
ID=71316386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921635990.0U Expired - Fee Related CN210892743U (en) | 2019-09-27 | 2019-09-27 | Pellet roasting waste heat recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210892743U (en) |
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2019
- 2019-09-27 CN CN201921635990.0U patent/CN210892743U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200630 Termination date: 20210927 |