CN218721624U - Flue gas heat exchange device capable of reducing thermal deviation - Google Patents
Flue gas heat exchange device capable of reducing thermal deviation Download PDFInfo
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- CN218721624U CN218721624U CN202222773146.2U CN202222773146U CN218721624U CN 218721624 U CN218721624 U CN 218721624U CN 202222773146 U CN202222773146 U CN 202222773146U CN 218721624 U CN218721624 U CN 218721624U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The utility model provides a flue gas heat transfer device of reducible thermal deviation, flue gas heat transfer device of reducible thermal deviation includes: the device comprises a body, a first working medium container, a second working medium container and a plurality of heat exchange pipelines, wherein the body comprises a flue gas inlet and a heat exchange cavity defined by the body; the first working medium container comprises a working medium outlet; the second working medium container comprises a working medium inlet, the first working medium container and the second working medium container are oppositely arranged in a first direction, and the heat exchange cavity is positioned between the first working medium container and the second working medium container in the first direction; the heat exchange system comprises a plurality of heat exchange pipelines, a working medium inlet, a working medium outlet, a working medium inlet, a plurality of heat exchange pipelines, a plurality of heat exchange sections and a plurality of heat exchange sub-sections, wherein the plurality of heat exchange pipelines are arranged in parallel, one end of each heat exchange pipeline is communicated with the working medium outlet, the other end of each heat exchange pipeline is communicated with the working medium inlet, each heat exchange pipeline comprises a heat exchange section, each heat exchange section comprises a plurality of bending parts and a plurality of heat exchange sub-sections, and each heat exchange sub-section is connected between the two bending parts. The utility model discloses a flue gas heat transfer device of reducible thermal deviation's heat transfer pipeline's thermal deviation is less.
Description
Technical Field
The utility model relates to a indirect heating equipment technical field specifically, relates to a flue gas heat transfer device of reducible thermal deviation.
Background
A boiler is a device commonly used in thermal power generation systems. The boiler in the related art is provided with the flue gas waste heat utilization device, and the flue gas waste heat utilization device exchanges heat with flue gas by arranging heat exchange pipelines in the boiler and utilizing heat exchange working media in the plurality of heat exchange pipelines, so that the aim of recovering the heat of the flue gas is fulfilled. However, the plurality of heat exchange pipes in the related art have a problem of uneven flow distribution, which causes a large thermal deviation of the plurality of heat exchange pipes.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent.
Therefore, the embodiment of the utility model provides a flue gas heat transfer device of reducible thermal deviation, this flue gas heat transfer device's of reducible thermal deviation heat transfer pipeline's thermal deviation is less.
The utility model discloses reducible thermal deviation's flue gas heat transfer device includes: the body comprises a flue gas inlet and a heat exchange cavity limited by the body; a first working medium container, the first working medium container comprising a working medium outlet; the second working medium container comprises a working medium inlet, the first working medium container and the second working medium container are oppositely arranged in a first direction, and the heat exchange cavity is positioned between the first working medium container and the second working medium container in the first direction; the heat exchange system comprises a plurality of heat exchange pipelines, wherein the heat exchange pipelines are arranged in parallel, one end of each heat exchange pipeline is communicated with a working medium outlet, the other end of each heat exchange pipeline is communicated with a working medium inlet, each heat exchange pipeline comprises a heat exchange section, each heat exchange section comprises a plurality of bending parts and a plurality of heat exchange subsections, and each heat exchange subsection is connected between two bending parts.
The utility model discloses reducible hot deviation's flue gas heat transfer device sets up first working medium container and second working medium container respectively in the both sides of heat transfer chamber, and the even number of buckling of the heat transfer section of the heat transfer pipeline of heat transfer intracavity is many times to make the length deviation of a plurality of heat transfer pipelines of parallelly connected setting reduce, consequently the flow of the heat transfer working medium in a plurality of heat transfer pipelines is more even, has reduced a plurality of heat transfer pipeline's hot deviation.
Therefore, the utility model discloses the heat deviation of the flue gas heat transfer device's of reducible thermal deviation heat transfer pipeline is less.
In some embodiments, a plurality of the heat exchange lines comprises: the heat exchange system comprises a plurality of heat exchange pipelines, a first pipe group and a second pipe group, wherein the first pipe group comprises one part of the heat exchange pipelines, each heat exchange pipeline of the first pipe group comprises a first heat exchange subsection, a second heat exchange subsection, a third heat exchange subsection, a first bending part and a second bending part, one end of the first heat exchange subsection is communicated with a working medium outlet, the other end of the first heat exchange subsection is connected with the first bending part, one end of the second heat exchange subsection is connected with the first bending part, the other end of the second heat exchange subsection is connected with the second bending part, one end of the third heat exchange subsection is communicated with the working medium inlet, and the other end of the third heat exchange subsection is connected with the second bending part; and the second pipe group comprises the other part of the plurality of heat exchange pipelines, each heat exchange pipeline of the second pipe group comprises a fourth heat exchange subsection, a fifth heat exchange subsection, a sixth heat exchange subsection, a third bending part and a fourth bending part, one end of the fourth heat exchange subsection is communicated with the working medium outlet, the other end of the fourth heat exchange subsection is connected with the third bending part, one end of the fifth heat exchange subsection is connected with the third bending part, the other end of the fifth heat exchange subsection is connected with the fourth bending part, one end of the sixth heat exchange subsection is communicated with the working medium inlet, the other end of the sixth heat exchange subsection is connected with the fourth bending part, and the first heat exchange subsection and the second heat exchange subsection are far away from the first working medium container relative to the fourth heat exchange subsection and the fifth heat exchange subsection in the first direction.
In some embodiments, the first heat exchange subsegment, the second heat exchange subsegment, and the third heat exchange subsegment are arranged parallel to one another; the fourth heat exchange subsection, the fifth heat exchange subsection and the sixth heat exchange subsection are arranged in parallel.
In some embodiments, the first heat exchange subsegment, the second heat exchange subsegment, the third heat exchange subsegment, the fourth heat exchange subsegment, the fifth heat exchange subsegment, and the sixth heat exchange subsegment are all straight tubular shapes.
In some embodiments, a plurality of the heat exchange lines comprises: each heat exchange pipeline comprises a first heat exchange subsection, a second heat exchange subsection, a third heat exchange subsection, a first bending portion and a second bending portion, one end of the first heat exchange subsection is communicated with the working medium outlet, the other end of the first heat exchange subsection is connected with the first bending portion, one end of the second heat exchange subsection is connected with the first bending portion, the other end of the second heat exchange subsection is connected with the second bending portion, one end of the third heat exchange subsection is communicated with the working medium inlet, and the other end of the third heat exchange subsection is connected with the second bending portion.
In some embodiments, the first heat exchange subsegment, the second heat exchange subsegment, and the third heat exchange subsegment are disposed parallel to one another.
In some embodiments, adjacent heat exchange lines are spaced apart by a first predetermined distance.
Drawings
Fig. 1 is a schematic structural diagram of a flue gas heat exchange device capable of reducing thermal deviation according to an embodiment of the present invention.
Reference numerals:
a flue gas heat exchange device 100 capable of reducing thermal deviation;
a body 1; a heat exchange chamber 11;
a first working medium container 2; a working medium outlet 21;
a second working medium container 3; a working medium inlet 31;
a heat exchange line 4; a first heat exchange subsection 411; second heat exchange subsegment 412; third heat exchange subsection 413; a first bend 414; a second bend 415; a fourth heat exchange subsection 421; a fifth heat exchange subsegment 422; a sixth heat exchange subsection 423; a third bend 424; a fourth bend 425.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The flue gas heat exchanger 100 capable of reducing thermal deviation according to the embodiment of the present invention is described below with reference to the drawings.
As shown in fig. 1, the flue gas heat exchange device 100 of the embodiment of the present invention includes a body 1, a first working medium container 2, a second working medium container 3 and a heat exchange pipeline 4.
The body 1 comprises a flue gas inlet and a heat exchange cavity 11 limited by the body 1, the first working medium container 2 comprises a working medium outlet 21, and the second working medium container 3 comprises a working medium inlet 31. The first working medium container 2 and the second working medium container 3 are arranged opposite to each other in a first direction (for example, the left-right direction in fig. 1), and the heat exchange chamber 11 is located between the first working medium container 2 and the second working medium container 3 in the first direction. The heat exchange pipelines 4 are multiple, the heat exchange pipelines 4 are arranged in parallel, one end of each heat exchange pipeline 4 is communicated with the working medium outlet 21, the other end of each heat exchange pipeline 4 is communicated with the working medium inlet 31, each heat exchange pipeline 4 comprises a heat exchange section, the heat exchange section comprises a plurality of bending portions and a plurality of heat exchange subsections, and each heat exchange subsegment is connected between the two bending portions.
The flue gas heat exchange device in the related art comprises a body, a first working medium tank, a second working medium tank and a heat exchange pipeline. Wherein, the heat transfer chamber that the body was injectd, first working medium jar and second working medium jar lie in same one side of heat transfer chamber. The heat exchange pipelines are multiple and are arranged in parallel along the inner direction and the outer direction. Each heat exchange pipeline is provided with a heat exchange section, the heat exchange sections are arranged in the heat exchange cavities, each heat exchange section comprises a bending section, a first heat exchange section and a second heat exchange section, one end of each first heat exchange section is connected with the first working medium tank, the other end of each first heat exchange section is connected with the bending section, one end of each second heat exchange section is connected with the second working medium tank, and the other end of each second heat exchange section is connected with the bending section. It can be understood that the lengths of the heat exchange pipelines are sequentially increased from inside to outside, so that the flow of the heat exchange working medium in each heat exchange pipeline is different, and the problem of large thermal deviation of a plurality of heat exchange pipelines is caused.
Compared with the prior art, the utility model discloses reducible hot deviation's flue gas heat transfer device 100 sets up first working medium container 2 and second working medium container 3 respectively in the both sides of heat transfer chamber 11, and the even number of times is buckled to the heat transfer section of the heat transfer pipeline 4 in the heat transfer chamber 11 to make the length deviation of a plurality of heat transfer pipelines 4 of parallelly connected setting reduce, therefore the flow of the heat transfer working medium in a plurality of heat transfer pipelines 4 is more even, has reduced a plurality of heat transfer pipeline's hot offset.
Therefore, the utility model discloses the heat deviation of the heat exchange pipeline 4 of the flue gas heat transfer device 100 of reducible heat deviation is less.
For the utility model discloses the flue gas heat transfer device 100 of reducible thermal deviation is convenient for to be understood, uses first direction unanimous as the example with left right direction below, further describes the flue gas heat transfer device 100 of reducible thermal deviation of the embodiment of the utility model.
In some embodiments, as illustrated in fig. 1, the plurality of heat exchange tubes comprises a first tube bank comprising a portion of the plurality of heat exchange tubes 4 and a second tube bank, each heat exchange tube 4 of the first tube bank comprising a first heat exchange sub-section 411, a second heat exchange sub-section 412, a third heat exchange sub-section 413, a first bend 414, and a second bend 415. The right end of the first heat exchange subsection 411 is communicated with the working medium outlet 21, the left end of the first heat exchange subsection is connected with the first bending portion 414, the left end of the second heat exchange subsection 412 is connected with the first bending portion 414, the right end of the second heat exchange subsection 412 is connected with the second bending portion 415, the left end of the third heat exchange subsection 413 is communicated with the working medium inlet 31, and the right end of the third heat exchange subsection 413 is connected with the second bending portion 415.
The second bank of tubes comprises another portion of the plurality of heat exchange tubes 4, each heat exchange tube 4 of the second bank of tubes comprises a fourth heat exchange subsection 421, a fifth heat exchange subsection 422, a sixth heat exchange subsection 423, a third bend 424, and a fourth bend 425. The right end of the fourth heat exchange subsection 421 is communicated with the working medium outlet 21, the left end of the fourth heat exchange subsection is connected with the third bending part 424, the left end of the fifth heat exchange subsection 422 is connected with the third bending part 424, the right end of the fifth heat exchange subsection 422 is connected with the fourth bending part 425, the left end of the sixth heat exchange subsection 423 is communicated with the working medium inlet 31, the right end of the sixth heat exchange subsection 423 is connected with the fourth bending part 425, the first heat exchange subsection 411 and the second heat exchange subsection 412 are far away from the first working medium container 2 relative to the fourth heat exchange subsection 421 and the fifth heat exchange subsection 422 in the left-right direction, in other words, the first heat exchange subsection 411 and the second heat exchange subsection 412 are located at the left sides of the fourth heat exchange subsection 421 and the fifth heat exchange subsection 422. On the one hand, the length deviation of a plurality of heat transfer pipeline 4 of parallelly connected setting reduces, makes the flow of the heat transfer working medium in a plurality of heat transfer pipeline 4 more even, has reduced a plurality of heat transfer pipeline's hot deviation to make a plurality of heat transfer pipeline 4 distribute more evenly in heat transfer chamber 11, further improve the utility model discloses the flue gas heat transfer device 100's of reducible hot deviation heat exchange efficiency.
Preferably, as shown in fig. 1, the first heat exchange sub-section 411, the second heat exchange sub-section 412 and the third heat exchange sub-section 413 are arranged in parallel, and the fourth heat exchange sub-section 421, the fifth heat exchange sub-section 422 and the sixth heat exchange sub-section 423 are arranged in parallel. Thereby further reducing the length deviation of a plurality of heat transfer pipelines 4 that the parallel arrangement set up, making the flow of the heat transfer working medium in a plurality of heat transfer pipelines 4 more even, consequently further reduced a plurality of heat transfer pipeline's thermal deviation.
In some embodiments, the first heat exchange sub-section 411, the second heat exchange sub-section 412, the third heat exchange sub-section 413, the fourth heat exchange sub-section 421, the fifth heat exchange sub-section 422 and the sixth heat exchange sub-section 423 are all straight tubular, so that the length deviation of the heat exchange pipeline 4 is further reduced, and the thermal deviation of a plurality of heat exchange pipelines is greatly reduced.
In some embodiments, each heat exchange conduit 4 includes a first heat exchange sub-section 411, a second heat exchange sub-section 412, a third heat exchange sub-section 413, a first bend 414, and a second bend 415. The right end of the first heat exchange section 411 is communicated with the working medium outlet 21, the left end of the first heat exchange section is connected with the first bending part 414, the left end of the second heat exchange section 412 is connected with the first bending part 414, the right end of the second heat exchange section 412 is connected with the second bending part 415, the left end of the third heat exchange section 413 is communicated with the working medium inlet 31, the right end of the third heat exchange section 413 is connected with the second bending part 415, and in other words, each heat exchange pipeline 4 is distributed in a z shape. On the one hand, the length deviation of a plurality of heat transfer pipeline 4 of parallelly connected setting reduces, makes the flow of the heat transfer working medium in a plurality of heat transfer pipeline 4 more even, has reduced a plurality of heat transfer pipeline's hot deviation to make a plurality of heat transfer pipeline 4 distribute more evenly in heat transfer chamber 11, further improve the utility model discloses the flue gas heat transfer device 100's of reducible hot deviation heat exchange efficiency.
Preferably, the first heat exchange subsection 411, the second heat exchange subsection 412 and the third heat exchange subsection 413 are arranged in parallel, so that the length deviation of a plurality of heat exchange pipelines 4 arranged in parallel is further reduced, the flow of heat exchange working media in the plurality of heat exchange pipelines 4 is more uniform, and the thermal deviation of the plurality of heat exchange pipelines is further reduced.
In some embodiments, adjacent heat exchange lines 4 are spaced apart a first predetermined distance. The adjacent heat exchange pipelines 4 are spaced at a certain distance, so that each heat exchange pipeline 4 can be in full contact with the flue gas, and the heat exchange efficiency is improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on 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.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like 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 present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (7)
1. The utility model provides a reducible hot deviation's flue gas heat transfer device which characterized in that includes:
the body comprises a flue gas inlet and a heat exchange cavity limited by the body;
the first working medium container comprises a working medium outlet;
the second working medium container comprises a working medium inlet, the first working medium container and the second working medium container are oppositely arranged in a first direction, and the heat exchange cavity is positioned between the first working medium container and the second working medium container in the first direction;
a plurality of heat exchange pipelines which are arranged in parallel, one end of each heat exchange pipeline is communicated with the working medium outlet, the other end of each heat exchange pipeline is communicated with the working medium inlet, each heat exchange pipeline comprises a heat exchange section,
the heat exchange section comprises a plurality of bending parts and a plurality of heat exchange subsections, and each heat exchange subsection is connected between two bending parts.
2. The flue gas heat exchange device capable of reducing the thermal deviation according to claim 1, wherein the plurality of heat exchange pipelines comprises: a first tube bank including a portion of the plurality of heat exchange tubes, each heat exchange tube of the first tube bank including a first heat exchange subsegment, a second heat exchange subsegment, a third heat exchange subsegment, a first bend and a second bend,
one end of the first heat exchange subsection is communicated with the working medium outlet, the other end of the first heat exchange subsection is connected with the first bending part, one end of the second heat exchange subsection is connected with the first bending part, the other end of the second heat exchange subsection is connected with the second bending part, one end of the third heat exchange subsection is communicated with the working medium inlet, and the other end of the third heat exchange subsection is connected with the second bending part; and
a second tube bank including another portion of the plurality of heat exchange tubes, each heat exchange tube of the second tube bank including a fourth heat exchange subsegment, a fifth heat exchange subsegment, a sixth heat exchange subsegment, a third bend, and a fourth bend,
one end of the fourth heat exchange subsection is communicated with the working medium outlet, the other end of the fourth heat exchange subsection is connected with the third bending part, one end of the fifth heat exchange subsection is connected with the third bending part, the other end of the fifth heat exchange subsection is connected with the fourth bending part, one end of the sixth heat exchange subsection is communicated with the working medium inlet, and the other end of the sixth heat exchange subsection is connected with the fourth bending part,
the first heat exchange subsection and the second heat exchange subsection are far away from the first working medium container relative to the fourth heat exchange subsection and the fifth heat exchange subsection in the first direction.
3. The flue gas heat exchange device capable of reducing the thermal deviation according to claim 2, wherein the first heat exchange subsection, the second heat exchange subsection and the third heat exchange subsection are arranged in parallel with each other; the fourth heat exchange subsection, the fifth heat exchange subsection and the sixth heat exchange subsection are arranged in parallel.
4. The flue gas heat exchange device capable of reducing the thermal deviation according to any one of claims 2 or 3, wherein the first heat exchange sub-section, the second heat exchange sub-section, the third heat exchange sub-section, the fourth heat exchange sub-section, the fifth heat exchange sub-section and the sixth heat exchange sub-section are all in a shape of a straight pipe.
5. The flue gas heat exchange device capable of reducing the thermal deviation according to claim 1, wherein the plurality of heat exchange pipelines comprises: each heat exchange pipeline comprises a first heat exchange subsection, a second heat exchange subsection, a third heat exchange subsection, a first bending part and a second bending part,
one end of the first heat exchange subsection is communicated with the working medium outlet, the other end of the first heat exchange subsection is connected with the first bending part, one end of the second heat exchange subsection is connected with the first bending part, the other end of the second heat exchange subsection is connected with the second bending part, one end of the third heat exchange subsection is communicated with the working medium inlet, and the other end of the third heat exchange subsection is connected with the second bending part.
6. The flue gas heat exchange device capable of reducing the thermal deviation according to claim 5, wherein the first heat exchange subsection, the second heat exchange subsection and the third heat exchange subsection are arranged in parallel with each other.
7. The flue gas heat exchange device capable of reducing the thermal deviation according to claim 1, wherein adjacent heat exchange pipelines are spaced by a first preset distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222773146.2U CN218721624U (en) | 2022-10-20 | 2022-10-20 | Flue gas heat exchange device capable of reducing thermal deviation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222773146.2U CN218721624U (en) | 2022-10-20 | 2022-10-20 | Flue gas heat exchange device capable of reducing thermal deviation |
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| Publication Number | Publication Date |
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| CN218721624U true CN218721624U (en) | 2023-03-24 |
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| CN202222773146.2U Active CN218721624U (en) | 2022-10-20 | 2022-10-20 | Flue gas heat exchange device capable of reducing thermal deviation |
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| CN (1) | CN218721624U (en) |
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- 2022-10-20 CN CN202222773146.2U patent/CN218721624U/en active Active
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