CN210625382U - High-efficient low temperature flue gas waste heat recovery device - Google Patents
High-efficient low temperature flue gas waste heat recovery device Download PDFInfo
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- CN210625382U CN210625382U CN201921323012.2U CN201921323012U CN210625382U CN 210625382 U CN210625382 U CN 210625382U CN 201921323012 U CN201921323012 U CN 201921323012U CN 210625382 U CN210625382 U CN 210625382U
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- flue gas
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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
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Abstract
The utility model discloses a high-efficient low temperature flue gas waste heat recovery device, include: a waste heat recovery bin and a purification bin; the inlet end intercommunication in waste heat recovery storehouse has the flue gas to advance the pipe, and the flue gas advances to manage and go up the intercommunication and have the booster pump, the exit end intercommunication in waste heat recovery storehouse has the flue gas exit tube, and the flue gas exit tube extends to the inner chamber in purification storehouse, the inner wall in waste heat recovery storehouse is inlayed and is equipped with the clamp ring, and the inner wall of clamp ring is provided with heat exchange assembly, heat exchange assembly comprises fin, frame and heat exchange tube, and wherein, the fin setting is at the outer wall of heat exchange tube. The utility model discloses in, this middle and low temperature flue gas waste heat recovery device adopts fin structure's heat exchange assemblies, and the effectual contact cross-section that increases middle and low temperature flue gas and low temperature rivers realizes the thermal efficient recovery effect of centering low temperature to the real-time pressure boost effect of cooperation booster pump, the flow rate of middle and low temperature flue gas in the regulation that can be timely, the maximize improve the waste heat recovery efficiency of middle and low temperature flue gas.
Description
Technical Field
The utility model relates to an energy-concerving and environment-protective technical field especially relates to a high-efficient low temperature flue gas waste heat recovery device.
Background
The medium-low temperature flue gas waste heat recovery refers to a process of recovering medium-low temperature flue gas generated by the operation of a metallurgical furnace, wherein high-temperature flue gas exhausted from various metallurgical furnaces usually takes away 20-50% of the heat supply load of the furnace, the flow directions of the flue gas of the metallurgical furnace and a preheated medium are opposite, the flue gas waste heat can be fully utilized, and a high preheating temperature is achieved, so that the unnecessary loss and waste of heat is reduced, and the effects of energy conservation and environmental protection are achieved.
However, when the existing medium-low temperature flue gas waste heat recovery device recovers the medium-low temperature flue gas waste heat, the contact area between the medium-low temperature flue gas and the heat exchange assembly and the contact area between the medium-low temperature flue gas and the heat exchange fluid are not large enough due to the unstable flow velocity of the medium-low temperature flue gas, so that the efficiency of recovering the medium-low temperature flue gas waste heat is not high enough, and a large heat waste phenomenon is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a high-efficiency medium-low temperature flue gas waste heat recovery device.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a high-efficiency medium-low temperature flue gas waste heat recovery device comprises: a waste heat recovery bin and a purification bin;
the inlet end of the waste heat recovery bin is communicated with a flue gas inlet pipe, the flue gas inlet pipe is communicated with a booster pump, the outlet end of the waste heat recovery bin is communicated with a flue gas outlet pipe, the flue gas outlet pipe extends to the inner cavity of the purification bin, and the purification bin is communicated with a discharge pipe;
the outer wall of one side of the waste heat recovery bin is communicated with a water inlet pipe, and the outer wall of the other side of the waste heat recovery bin is communicated with a water outlet pipe;
the inner wall of the waste heat recovery bin is embedded with a clamping ring, the inner wall of the clamping ring is provided with a heat exchange assembly, the heat exchange assembly comprises fins, a frame and a heat exchange tube, and the fins are arranged on the outer wall of the heat exchange tube.
As a further description of the above technical solution:
the heat exchange tube is of a multi-section U-shaped structure, and the U-shaped end of the heat exchange tube penetrates through the inside of the fin in parallel and extends towards two sides.
As a further description of the above technical solution:
also comprises a hollow layer;
the hollow layer is embedded in the inner wall of the waste heat recovery bin;
the inside of cavity layer is hollow structure, the thickness of cavity layer is less than the casing thickness in waste heat recovery storehouse.
As a further description of the above technical solution:
the device also comprises an air outlet nozzle;
the number of the air outlet nozzles is four, and the four air outlet nozzles are parallelly and equidistantly arranged on the outer wall of the flue gas outlet pipe;
the inside of giving vent to anger mouth is provided with the spring, and the outside elastic connection of spring has the closing cap.
As a further description of the above technical solution:
also comprises an active carbon adsorption ball;
the activated carbon adsorption balls are arranged at the inlet end of the discharge pipe;
the inside of active carbon adsorption ball is hollow out construction, the outer wall diameter of active carbon adsorption ball is greater than the inner wall diameter of delivery pipe.
As a further description of the above technical solution:
the height of the opening end of the air outlet nozzle is smaller than that of the activated carbon adsorption ball.
Advantageous effects
The utility model provides a high-efficient low temperature flue gas waste heat recovery device. The method has the following beneficial effects:
(1): the heat exchange assembly with the fin structure is adopted in the medium-low temperature flue gas waste heat recovery device, the contact section of medium-low temperature flue gas and low-temperature water flow is effectively increased, heat in the medium-low temperature flue gas can be comprehensively conducted in the low-temperature water flow, the efficient recovery effect of the medium-low temperature heat is realized, the real-time pressurization effect of the booster pump is matched, the flow rate of the medium-low temperature flue gas can be timely adjusted, the medium-low temperature flue gas can be ensured to flow at a balanced flow rate, and the waste heat recovery efficiency of the medium-low temperature flue gas is maximally improved.
(2): this middle and low temperature flue gas waste heat recovery device is through the play gas nozzle that sets up, make inside the flue gas after the waste heat recovery can directly discharge the liquid in the purifying chamber, make the flue gas can with the comprehensive contact of purifying liquid, realize the comprehensive purifying effect of flue gas, and the seal structure of cooperation spring and closing cap, can play the effect of sealed protection to the opening part of going out the gas nozzle, prevent to purify the purifying liquid in the storehouse and enter into and cause the liquid backward flow and block up the phenomenon of flue gas exit tube in the gas nozzle, and then improved the unobstructed nature of flue gas flow.
Drawings
Fig. 1 is a schematic view of the overall structure of a high-efficiency medium-low temperature flue gas waste heat recovery device provided by the utility model;
FIG. 2 is a schematic view of the internal structure of the waste heat recovery bin of the present invention;
FIG. 3 is a schematic structural view of a heat exchange assembly of the present invention;
FIG. 4 is a schematic view of the internal structure of the purifying chamber of the present invention;
fig. 5 is the internal structure diagram of the middle air outlet nozzle of the present invention.
Illustration of the drawings:
1. a booster pump; 2. a flue gas inlet pipe; 3. a waste heat recovery bin; 31. a heat exchange assembly; 311. a fin; 312. a frame; 313. a heat exchange pipe; 32. a clamping ring; 33. a hollow layer; 4. a water inlet pipe; 5. a flue gas outlet pipe; 51. an air outlet nozzle; 511. a spring; 512. sealing the cover; 6. a purifying bin; 7. A water outlet pipe; 8. a discharge pipe; 81. active carbon adsorption balls.
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.
As shown in fig. 1, fig. 2 and fig. 3, a high-efficiency medium-low temperature flue gas waste heat recovery device comprises: a waste heat recovery bin 3 and a purification bin 6;
the inlet end of the waste heat recovery bin 3 is communicated with a flue gas inlet pipe 2, the flue gas inlet pipe 2 is communicated with a booster pump 1, the outlet end of the waste heat recovery bin 3 is communicated with a flue gas outlet pipe 5, the flue gas outlet pipe 5 extends to the inner cavity of a purification bin 6, and the purification bin 6 is communicated with a discharge pipe 8;
the outer wall of one side of the waste heat recovery bin 3 is communicated with a water inlet pipe 4, and the outer wall of the other side of the waste heat recovery bin is communicated with a water outlet pipe 7;
the inner wall of the waste heat recovery bin 3 is embedded with a clamping ring 32, the inner wall of the clamping ring 32 is provided with a heat exchange component 31, the heat exchange component 31 is composed of a fin 311, a frame 312 and a heat exchange tube 313, wherein the fin 311 is arranged on the outer wall of the heat exchange tube 313, the heat exchange tube 313 is of a multi-section U-shaped structure, and the U-shaped end of the heat exchange tube 313 penetrates through the inside of the fin 311 in parallel and extends towards two sides.
The working principle is as follows: the inlet end of the flue gas inlet pipe 2 is connected to a medium-low temperature flue gas outlet pipeline, low-temperature water flow is added into the waste heat recovery bin 3 through the water inlet pipe 4, flue gas purification liquid is added into the purification bin 6 for storage, at the moment, medium-low temperature flue gas can enter the heat exchange pipe 313 in the heat exchange assembly 31 at a relatively constant flow rate under the pressurization effect of the booster pump 1, and the heat exchange structure of the fins 311 is matched to realize comprehensive heat exchange treatment of medium-low temperature heat and low-temperature water flow, so that the low-temperature water flow is heated and is discharged outwards through the water outlet pipe 7, flue gas after waste heat recovery is led into the purification bin 6 through the flue gas outlet pipe 5, and after being purified by the flue gas, the flue gas is discharged.
As shown in fig. 2, the heat recovery device further comprises a hollow layer 33, the hollow layer 33 is embedded in the inner wall of the waste heat recovery bin 3, the inside of the hollow layer 33 is of a hollow structure, the thickness of the hollow layer 33 is smaller than the thickness of the shell of the waste heat recovery bin 3, the inside of the hollow layer 33 is of a hollow structure, and the inside and the outside of the waste heat recovery bin 3 can be isolated from the ambient temperature, so that the influence of the external environment on the waste heat recovery bin 3 is reduced, and the waste heat recovery efficiency of the medium-low temperature flue gas is improved.
As shown in fig. 5, further include the gas outlet nozzle 51, the number of the gas outlet nozzle 51 is four, four gas outlet nozzles 51 are disposed on the outer wall of the flue gas outlet pipe 5 at equal intervals, a spring 511 is disposed inside the gas outlet nozzle 51, and the outer side of the spring 511 is elastically connected with a sealing cover 512, when the flue gas outlet pipe 5 discharges flue gas, the flue gas can push the sealing cover 512 to drive the spring 511 to move in an outward stretching manner, thereby opening the gas outlet nozzle 51, when the flue gas outlet pipe 5 does not discharge flue gas, the sealing cover 512 can be pressed by water flow in the purification bin 6, and under the restoring spring-back action of the spring 511, the opening of the gas outlet nozzle 51 is sealed by the sealing cover 512, thereby preventing purified liquid from flowing into the gas outlet nozzle 51 and blocking the flue gas outlet pipe 5.
As shown in fig. 4, still include activated carbon adsorption ball 81, activated carbon adsorption ball 81 sets up the entrance point at delivery pipe 8, activated carbon adsorption ball 81's inside is hollow out construction, activated carbon adsorption ball 81's outer wall diameter is greater than delivery pipe 8's inner wall diameter, activated carbon adsorption ball 81 can carry out the effect that the secondary adsorption was purified to the purification flue gas that flows into in delivery pipe 8, the absorption of maximize falls the harmful substance that contains in the emission flue gas, thereby ensure the innoxious of delivery pipe 8 exhaust flue gas, prevent to cause the phenomenon of pollution to external environment.
As shown in fig. 4, the height of the opening end of the air outlet nozzle 51 is less than the height of the activated carbon adsorption ball 81, so that the air outlet nozzle 51 is immersed in the purified liquid, the contact area between the flue gas and the purified liquid is increased, and the high-efficiency purification effect on the flue gas is realized.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a high-efficient low temperature flue gas waste heat recovery device which characterized in that includes: a waste heat recovery bin (3) and a purification bin (6);
the inlet end of the waste heat recovery bin (3) is communicated with a flue gas inlet pipe (2), the flue gas inlet pipe (2) is communicated with a booster pump (1), the outlet end of the waste heat recovery bin (3) is communicated with a flue gas outlet pipe (5), the flue gas outlet pipe (5) extends to the inner cavity of the purification bin (6), and the purification bin (6) is communicated with a discharge pipe (8);
the outer wall of one side of the waste heat recovery bin (3) is communicated with a water inlet pipe (4), and the outer wall of the other side of the waste heat recovery bin is communicated with a water outlet pipe (7);
the inner wall of waste heat recovery storehouse (3) inlays and is equipped with clamp ring (32), and the inner wall of clamp ring (32) is provided with heat exchange assembly (31), heat exchange assembly (31) comprise fin (311), frame (312) and heat exchange tube (313), and wherein, fin (311) set up the outer wall at heat exchange tube (313).
2. The efficient medium-low temperature flue gas waste heat recovery device as claimed in claim 1, wherein the heat exchange tube (313) is of a multi-section U-shaped structure, and the U-shaped end of the heat exchange tube (313) penetrates through the inside of the fin (311) in parallel and extends towards two sides.
3. The high-efficiency medium-low temperature flue gas waste heat recovery device according to claim 1, further comprising a hollow layer (33);
the hollow layer (33) is embedded in the inner wall of the waste heat recovery bin (3);
the inside of hollow layer (33) is hollow structure, the thickness of hollow layer (33) is less than the shell thickness in waste heat recovery storehouse (3).
4. The high-efficiency medium-low temperature flue gas waste heat recovery device according to claim 1, further comprising an air outlet nozzle (51);
the number of the air outlet nozzles (51) is four, and the four air outlet nozzles (51) are parallelly and equidistantly arranged on the outer wall of the flue gas outlet pipe (5);
the inside of the air outlet nozzle (51) is provided with a spring (511), and the outer side of the spring (511) is elastically connected with a sealing cover (512).
5. The high-efficiency medium-low temperature flue gas waste heat recovery device according to claim 1, further comprising activated carbon adsorption balls (81);
the activated carbon adsorption ball (81) is arranged at the inlet end of the discharge pipe (8);
the inside of active carbon adsorption ball (81) is hollow out construction, the outer wall diameter of active carbon adsorption ball (81) is greater than the inner wall diameter of delivery pipe (8).
6. The high-efficiency medium-low temperature flue gas waste heat recovery device according to claim 4, wherein the height of the opening end of the gas outlet nozzle (51) is less than that of the activated carbon adsorption ball (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921323012.2U CN210625382U (en) | 2019-08-15 | 2019-08-15 | High-efficient low temperature flue gas waste heat recovery device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921323012.2U CN210625382U (en) | 2019-08-15 | 2019-08-15 | High-efficient low temperature flue gas waste heat recovery device |
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| CN210625382U true CN210625382U (en) | 2020-05-26 |
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| CN201921323012.2U Active CN210625382U (en) | 2019-08-15 | 2019-08-15 | High-efficient low temperature flue gas waste heat recovery device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114225543A (en) * | 2021-12-21 | 2022-03-25 | 赖彬 | Energy-conserving car waste oil recovery device |
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2019
- 2019-08-15 CN CN201921323012.2U patent/CN210625382U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114225543A (en) * | 2021-12-21 | 2022-03-25 | 赖彬 | Energy-conserving car waste oil recovery device |
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