CN221099380U - Boron oxide-containing glass kiln flue gas heat exchange device - Google Patents
Boron oxide-containing glass kiln flue gas heat exchange device Download PDFInfo
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- CN221099380U CN221099380U CN202322494733.2U CN202322494733U CN221099380U CN 221099380 U CN221099380 U CN 221099380U CN 202322494733 U CN202322494733 U CN 202322494733U CN 221099380 U CN221099380 U CN 221099380U
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- flue gas
- heat exchange
- temperature flue
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 223
- 239000003546 flue gas Substances 0.000 title claims abstract description 223
- 229910052810 boron oxide Inorganic materials 0.000 title claims abstract description 37
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000011521 glass Substances 0.000 title claims abstract description 28
- 239000000428 dust Substances 0.000 claims abstract description 49
- 239000002245 particle Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000012774 insulation material Substances 0.000 claims description 10
- 229920002635 polyurethane Polymers 0.000 claims description 7
- 239000004814 polyurethane Substances 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 5
- 238000005265 energy consumption Methods 0.000 abstract description 10
- 239000013618 particulate matter Substances 0.000 abstract description 6
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 abstract 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 239000000779 smoke Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
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- Glass Melting And Manufacturing (AREA)
Abstract
The application relates to the technical field of heat exchange, in particular to a boron oxide-containing glass kiln flue gas heat exchange device, which comprises: the bottom of the heat exchange area is provided with a high-temperature flue gas inlet and a low-temperature flue gas inlet, and the top of the heat exchange area is provided with a high-temperature flue gas outlet and a low-temperature flue gas outlet; the high-temperature flue gas flow channel is arranged in the heat exchange area, one end of the high-temperature flue gas flow channel is connected with the high-temperature flue gas inlet, and the other end of the high-temperature flue gas flow channel is connected with the high-temperature flue gas outlet; the low-temperature flue gas flow channel is arranged in the heat exchange area and is closely adjacent to the high-temperature flue gas flow channel, one end of the low-temperature flue gas flow channel is connected with the low-temperature flue gas inlet, and the other end of the low-temperature flue gas flow channel is connected with the low-temperature flue gas outlet; and the dust collecting area is arranged at the bottom of the heat exchange area, and a particulate matter dissipation structure is arranged between the dust collecting area and the heat exchange area. The boron oxide-containing glass kiln gas heat exchange device improves the kiln gas heat utilization efficiency, reduces the operation energy consumption of environmental protection equipment, and is beneficial to energy conservation and consumption reduction in factories.
Description
Technical Field
The application relates to the technical field of heat exchange, in particular to a boron oxide-containing glass kiln flue gas heat exchange device.
Background
Boron oxide is commonly found in glass kiln fumes from borax as a raw material, and the gaseous form of boron oxide is relatively viscous and substantially crystallises to form particulate form when the fume temperature is reduced below 100 ℃. Due to the unique physicochemical characteristics of boron oxide, the environment-friendly equipment treatment efficiency is not up to standard in the treatment process of the kiln flue gas containing boron oxide.
The high-content boron oxide kiln flue gas is easy to block the denitration catalytic small holes, so that the denitration is carried out after the boron oxide is removed. The optimal boron oxide removal temperature is below 100 ℃, so that the conventional treatment mode of the flue gas at 400-500 ℃ at the flue outlet of the kiln is that firstly, a multi-tube heat exchanger is adopted to cool to below 100 ℃, and then a bag-type dust remover is adopted to remove the boron oxide after low-temperature crystallization. The optimal temperature of denitration is 200-400 ℃, the temperature of the cooled flue gas is required to be raised through a temperature raising device to ensure denitration efficiency, natural gas or electric power is used as a heat source in a common temperature raising device, energy consumption is large, energy conservation and consumption reduction are not facilitated, and operation cost is high.
For example: CN203123794U discloses an SCR denitration device for flue gas of a glass kiln, which comprises a waste heat boiler and a denitration reactor, wherein an air inlet end R of the denitration reactor is communicated with the first waste heat boiler, receives flue gas cooled to 320-420 ℃ by heat exchange, and a rear air outlet end F is communicated with the second waste heat boiler, and discharges flue gas after denitration by an ammonia SCR to a chimney after heat exchange and cooling to 150-170 ℃. However, in the above description, how to perform heat exchange is not described in detail, so there is still a problem that the heat utilization efficiency of kiln flue gas is low and the operation energy consumption of environmental protection equipment is high.
Disclosure of utility model
The application aims to solve the technical problems that: the SCR denitration device for the glass kiln flue gas in the prior art has the problems of low kiln flue gas heat utilization efficiency and high operation energy consumption of environment-friendly equipment.
In order to solve the technical problems, an embodiment of the present application provides a device for exchanging heat between a flue gas of a glass kiln containing boron oxide, including: the bottom of the heat exchange area is provided with a high-temperature flue gas inlet and a low-temperature flue gas inlet, and the top of the heat exchange area is provided with a high-temperature flue gas outlet and a low-temperature flue gas outlet; the high-temperature flue gas flow channel is arranged in the heat exchange area, one end of the high-temperature flue gas flow channel is connected with the high-temperature flue gas inlet, and the other end of the high-temperature flue gas flow channel is connected with the high-temperature flue gas outlet; the low-temperature flue gas flow channel is arranged in the heat exchange area and is closely adjacent to the high-temperature flue gas flow channel, one end of the low-temperature flue gas flow channel is connected with the low-temperature flue gas inlet, and the other end of the low-temperature flue gas flow channel is connected with the low-temperature flue gas outlet; and the dust collecting area is arranged at the bottom of the heat exchange area, and a particulate matter dissipation structure is arranged between the dust collecting area and the heat exchange area.
In some embodiments, the high temperature flue gas flow channel and the low temperature flue gas flow channel are arranged in a serpentine pattern.
In some embodiments, heat exchange plates are arranged in the heat exchange areas, the heat exchange plates are arranged in a serpentine shape, and the high-temperature flue gas flow channels and the low-temperature flue gas flow channels are arranged on two sides of the heat exchange plates.
In some embodiments, the heat exchanger further comprises a heat insulating layer, wherein the heat insulating layer is arranged on the outer wall of the low-temperature flue gas flow channel and the heat exchange area.
In some embodiments, the thickness of the insulating layer is greater than 100mm.
In some embodiments, the dust collection area comprises: the dust collecting plates are provided with a plurality of conical structures, and sharp corners of the conical structures are far away from the heat exchange area; the dust exhaust port is arranged at the sharp corner of the conical structure, and a blocking plate is arranged on the dust exhaust port.
In some embodiments, the particulate dissipation structure comprises: the dissipation assembly is provided with a plurality of groups, and the dissipation assembly is provided with dissipation ports which correspond to the high-temperature flue gas flow channels and the low-temperature flue gas flow channels.
In some embodiments, the dissipating assembly includes at least one dissipating plate connected to the heat exchange plate or the side wall of the heat exchange area, and the gap between the dissipating plate and the side wall of the heat exchange area or the gap between two adjacent dissipating plates is a dissipating opening.
In some embodiments, the dissipating plate is disposed at an angle of 30 ° to the horizontal.
In some embodiments, the dissipating plate and the dust collecting plate each comprise a steel plate and a polyurethane insulation material disposed on the steel plate, the insulation material having a thickness greater than 50mm.
Through the technical scheme, the boron oxide-containing glass kiln flue gas heat exchange device provided by the application comprises: the bottom of the heat exchange area is provided with a high-temperature flue gas inlet and a low-temperature flue gas inlet, and the top of the heat exchange area is provided with a high-temperature flue gas outlet and a low-temperature flue gas outlet; the high-temperature flue gas flow channel is arranged in the heat exchange area, one end of the high-temperature flue gas flow channel is connected with the high-temperature flue gas inlet, and the other end of the high-temperature flue gas flow channel is connected with the high-temperature flue gas outlet; the low-temperature flue gas flow channel is arranged in the heat exchange area and is closely adjacent to the high-temperature flue gas flow channel, one end of the low-temperature flue gas flow channel is connected with the low-temperature flue gas inlet, and the other end of the low-temperature flue gas flow channel is connected with the low-temperature flue gas outlet; and the dust collecting area is arranged at the bottom of the heat exchange area, and a particulate matter dissipation structure is arranged between the dust collecting area and the heat exchange area.
The bottom of the heat exchange area is provided with a high-temperature flue gas inlet and a low-temperature flue gas inlet, the high-temperature flue gas inlet is suitable for the entry of high-temperature flue gas, and the low-temperature flue gas inlet is suitable for the entry of low-temperature flue gas; meanwhile, a high-temperature flue gas outlet and a low-temperature flue gas outlet are formed in the top of the heat exchange area, the high-temperature flue gas outlet is suitable for outflow of high-temperature flue gas, the low-temperature flue gas outlet is suitable for outflow of low-temperature flue gas, a high-temperature flue gas flow channel in the heat exchange area is used for connecting the high-temperature flue gas inlet and the high-temperature flue gas outlet, a low-temperature flue gas flow channel in the heat exchange area is used for connecting the low-temperature flue gas inlet and the low-temperature flue gas outlet, flow of high-temperature flue gas and low-temperature flue gas in the heat exchange area is realized, and heat exchange of the high-temperature flue gas and the low-temperature flue gas is realized. The bottom of the heat exchange area is provided with a dust collection area, and particles in the high-temperature flue gas and the low-temperature flue gas are collected into the dust collection area through a particle dissipation structure, so that the cleanliness of the high-temperature flue gas and the low-temperature flue gas is ensured.
The boron oxide-containing glass kiln flue gas heat exchange device can fully utilize the heat in the high-temperature flue gas of 400-500 ℃ before the kiln outlet is not cooled, exchange heat between the cooled low-temperature flue gas and the high-temperature flue gas before the kiln outlet is not cooled, and improve the temperature of the flue gas after removing boron oxide; the heat utilization efficiency of kiln flue gas is improved, the operation energy consumption of environmental protection equipment is reduced, and the energy conservation and consumption reduction of a factory are facilitated.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a structure of a boron oxide-containing glass kiln flue gas heat exchange device disclosed in an embodiment of the application;
FIG. 2 is a cross-sectional view of a boron oxide-containing glass kiln flue gas heat exchange device disclosed in an embodiment of the application;
FIG. 3 is a cross-sectional view of a heat exchanger plate of a boron oxide-containing glass kiln flue gas heat exchange device disclosed in an embodiment of the application;
Fig. 4 is a schematic structural view of a particulate matter dissipation structure of a boron oxide-containing glass kiln flue gas heat exchange device according to an embodiment of the present application.
Reference numerals illustrate:
1. A heat exchange area; 2. a high-temperature flue gas inlet; 3. a low-temperature flue gas inlet; 4. a high-temperature flue gas outlet; 5. a low-temperature flue gas outlet; 6. a high temperature flue gas flow path; 7. a low temperature flue gas flow path; 8. a dust collection area; 9. a particulate matter dissipation structure; 10. a heat exchange plate; 11. a heat preservation layer; 12. a dust collecting plate; 13. a dust discharge port; 14. a closure plate; 15. a dissipation plate; 16. and a dissipation port.
Detailed Description
Embodiments of the present application are described in further detail below with reference to the accompanying drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the application and are not intended to limit the scope of the application, which may be embodied in many different forms and not limited to the specific embodiments disclosed herein, but rather to include all technical solutions falling within the scope of the claims.
These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be construed as exemplary only and not limiting unless otherwise specifically stated.
In the description of the present application, unless otherwise indicated, the meaning of "plurality of" means greater than or equal to two; the terms "upper," "lower," "left," "right," "inner," "outer," and the like are merely used for convenience in describing the present application and to simplify the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present application. When the absolute position of the object to be described is changed, the relative positional relationship may be changed accordingly.
Furthermore, the use of the terms first, second, and the like in the present application are not used for any order, quantity, or importance, but rather are used for distinguishing between different parts. The "vertical" is not strictly vertical but is within the allowable error range. "parallel" is not strictly parallel but is within the tolerance of the error. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements.
It should also be noted that, in the description of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present application can be understood as appropriate by those of ordinary skill in the art. When a particular device is described as being located between a first device and a second device, there may or may not be an intervening device between the particular device and either the first device or the second device.
All terms used herein have the same meaning as understood by one of ordinary skill in the art to which the present application pertains, unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods, and apparatus should be considered part of the specification.
Referring to fig. 1 to 4, the present application provides a heat exchange device for flue gas of a glass kiln containing boron oxide, comprising: the heat exchange area 1 is provided with a high-temperature flue gas inlet 2 and a low-temperature flue gas inlet 3 at the bottom of the heat exchange area 1, and a high-temperature flue gas outlet 4 and a low-temperature flue gas outlet 5 at the top of the heat exchange area 1; the high-temperature flue gas flow channel 6 is arranged in the heat exchange area 1, one end of the high-temperature flue gas flow channel 6 is connected with the high-temperature flue gas inlet 2, and the other end of the high-temperature flue gas flow channel is connected with the high-temperature flue gas outlet 4; the low-temperature flue gas flow channel 7 is arranged in the heat exchange area 1 and is closely adjacent to the high-temperature flue gas flow channel 6, one end of the low-temperature flue gas flow channel 7 is connected with the low-temperature flue gas inlet 3, and the other end is connected with the low-temperature flue gas outlet 5; and the dust collecting area 8 is arranged at the bottom of the heat exchange area 1, and a particulate matter dissipation structure 9 is arranged between the dust collecting area 8 and the heat exchange area 1.
The bottom of the heat exchange area 1 is provided with a high-temperature flue gas inlet 2 and a low-temperature flue gas inlet 3, the high-temperature flue gas inlet 2 is suitable for the entry of high-temperature flue gas, and the low-temperature flue gas inlet 3 is suitable for the entry of low-temperature flue gas; meanwhile, a high-temperature flue gas outlet 4 and a low-temperature flue gas outlet 5 are arranged at the top of the heat exchange area 1, the high-temperature flue gas outlet 4 is suitable for outflow of high-temperature flue gas, the low-temperature flue gas outlet 5 is suitable for outflow of low-temperature flue gas, the high-temperature flue gas inlet 2 and the high-temperature flue gas outlet 4 are connected by utilizing a high-temperature flue gas flow channel 6 in the heat exchange area 1, the low-temperature flue gas inlet 3 and the low-temperature flue gas outlet 5 are connected by utilizing a low-temperature flue gas flow channel 7 in the heat exchange area 1, flow of high-temperature flue gas and low-temperature flue gas in the heat exchange area 1 is realized, and heat exchange of the high-temperature flue gas and the low-temperature flue gas is realized. The bottom of the heat exchange area 1 is provided with a dust collection area 8, and particles in the high-temperature flue gas and the low-temperature flue gas are collected into the dust collection area 8 through a particle dissipation structure 9, so that the cleanliness of the high-temperature flue gas and the low-temperature flue gas is ensured.
The boron oxide-containing glass kiln flue gas heat exchange device can fully utilize the heat in the high-temperature flue gas of 400-500 ℃ before the kiln outlet is not cooled, exchange heat between the cooled low-temperature flue gas and the high-temperature flue gas before the kiln outlet is not cooled, and improve the temperature of the flue gas after removing boron oxide; the heat utilization efficiency of kiln flue gas is improved, the operation energy consumption of environmental protection equipment is reduced, and the energy conservation and consumption reduction of a factory are facilitated.
Wherein, a small amount of particles formed by boron oxide crystallization exist in the high-temperature boron oxide-containing flue gas heat exchange process.
In some embodiments, the high temperature flue gas flow channel 6 and the low temperature flue gas flow channel 7 are arranged in a serpentine shape. According to the arrangement mode, the flow paths of the high-temperature flue gas flow channel 6 and the low-temperature flue gas flow channel 7 in the heat exchange area 1 can be increased, so that the flowing time of the high-temperature flue gas and the low-temperature flue gas in the heat exchange area 1 is increased, and the full heat exchange of the high-temperature flue gas and the low-temperature flue gas is realized.
In some embodiments, heat exchange plates 10 are arranged in the heat exchange area 1, the heat exchange plates 10 are arranged in a serpentine shape, and the high-temperature flue gas flow channels 6 and the low-temperature flue gas flow channels 7 are arranged on two sides of the heat exchange plates 10.
The heat exchange plate 10 is arranged in the heat exchange area 1 in a serpentine shape, so that the high-temperature flue gas flow channel 6 and the low-temperature flow channel are separated at two sides of the heat exchange plate 10, and the communication of the high-temperature flue gas flow channel 6 and the low-temperature flow channel is avoided.
The heat exchange plate 10 is made of die-cast aluminum materials, and has the advantages of light materials, good heat conductivity and high heat conduction efficiency. Moreover, the heat exchange plates 10 have good tightness, high-temperature smoke flows in the high-temperature smoke flow channel 6, low-temperature smoke flows in the low-temperature smoke flow channel 7, but the high-temperature smoke and the low-temperature smoke are not communicated.
The length of the heat exchange path can be adjusted according to the temperature rise amplitude of the flue gas, and if the required temperature rise amplitude is larger, the heat exchange path can be properly extended according to the arrangement structure of the heat exchange plates 10 in the heat exchange area 1.
In this embodiment, the heat exchange area 1 has a cuboid structure, the high-temperature flue gas inlet 2 and the low-temperature flue gas inlet 3 are located on the right side of the bottom of the heat exchange area 1, the high-temperature flue gas outlet 4 and the low-temperature flue gas outlet 5 are located on the left side of the top of the heat exchange area 1, and the high-temperature flue gas inlet 2 and the low-temperature flue gas inlet 3, the high-temperature flue gas outlet 4 and the low-temperature flue gas outlet 5 are in a cuboid structure.
In some embodiments, the boron oxide-containing glass kiln flue gas heat exchange device further comprises an insulating layer 11, and the insulating layer 11 is arranged on the outer walls of the low-temperature flue gas flow channel 7 and the heat exchange area 1.
Specifically, the heat preservation 11 is arranged at the part of the outside of the heat exchange area 1 and the inside of the heat exchange area 1, which does not need heat exchange, and the heat exchange process of the heat exchange area 1 and the outside environment atmosphere can be effectively isolated by the arrangement of the heat preservation 11, so that heat loss is reduced.
In this embodiment, the thickness of the insulating layer 11 is greater than 100mm. Meanwhile, the heat preservation layer 11 is made of polyurethane materials with good heat insulation performance.
In some embodiments, the dust collection area 8 includes a dust collection plate 12 and a dust exhaust 13; wherein, the dust collecting plates 12 are provided with a plurality of dust collecting plates 12 to form a cone structure, and sharp corners of the cone structure are arranged far away from the heat exchange area 1; the dust discharge opening 13 is arranged at the sharp corner of the conical structure, and a blocking plate 14 is arranged on the dust discharge opening 13.
The cone-shaped structure is formed by the dust collecting plates 12, so that particles in high-temperature flue gas and low-temperature flue gas can smoothly fall into the dust collecting area 8 to be collected, meanwhile, the dust discharging opening 13 is formed at the sharp corner of the dust collecting area 8, and when the dust is collected, the dust discharging opening 13 is blocked by the blocking plate 14 and the particles are required to be poured out, the dust can be poured out through the dust discharging opening 13, so that the dust removing operation is realized.
Wherein the blocking plate 14 and the dust collecting plate 12 are connected by bolts.
In this embodiment, the dust collecting plate 12 includes a steel plate and a polyurethane insulation material provided on the steel plate, and the thickness of the insulation material is greater than 50mm.
In some embodiments, the particulate dissipating structure 9 includes a dissipating assembly having a plurality of sets with dissipating ports 16, the dissipating ports 16 corresponding to the high temperature flue gas flow channel 6 and the low temperature flue gas flow channel 7.
Through the arrangement of the dissipation assembly, the dissipation assembly corresponds to the high-temperature flue gas flow channel 6 and the low-temperature flue gas flow channel 7, namely, the high-temperature flue gas flow channel 6 and the low-temperature flue gas flow channel 7 correspond to the dissipation opening 16, so that particles in the high-temperature flue gas flow channel 6 and the low-temperature flue gas flow channel 7 can smoothly fall into the dust collection area 8 through the dissipation opening 16 to be collected.
In some embodiments, the dissipating assembly comprises at least one dissipating plate 15, the dissipating plate 15 being connected to the heat exchanger plate 10 or to the side wall of the heat exchanger area 1, the gap between the dissipating plate 15 and the side wall of the heat exchanger area 1 or the gap between two adjacent dissipating plates 15 being a dissipating opening 16.
I.e. by forming a gap between one dissipating plate 15 and the side wall of the heat transfer area 1, or by forming a gap between two adjacent dissipating plates 15, i.e. by forming dissipating openings 16, the falling of particles is achieved.
Wherein the dissipation assembly comprises one dissipation plate 15 or two dissipation plates 15, which are adapted according to the width of the heat transfer area 1.
In this embodiment, the dissipation plate 15 is disposed obliquely, and the dissipation plate 15 is disposed at an angle of 30 ° with respect to the horizontal direction. The arrangement of the included angle can utilize the dissipation plate 15 to conduct flow for the particles, so that the particles can smoothly enter the dust collection area 8 through the dissipation opening 16 for collection.
The gap between the two dissipation plates 15 is 2-3mm or the gap between the dissipation plates 15 and the side walls of the heat exchange zone 1 is 2-3mm.
In some embodiments, the dissipating plate 15 comprises a steel plate and a polyurethane insulation material disposed on the steel plate, the insulation material having a thickness greater than 50mm.
Specifically, the steel plate is made of 304 stainless steel, the inner wall of the steel plate is smooth and used for converging particulate matters, the outer wall of the steel plate is provided with polyurethane heat insulation materials, and the thickness of the polyurethane heat insulation materials is larger than 50mm.
Thus, various embodiments of the present application have been described in detail. In order to avoid obscuring the concepts of the application, some details known in the art have not been described. How to implement the solutions disclosed herein will be fully apparent to those skilled in the art from the above description.
While certain specific embodiments of the application have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the application. It will be understood by those skilled in the art that the foregoing embodiments may be modified and equivalents substituted for elements thereof without departing from the scope and spirit of the application. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict.
Claims (10)
1. A boron oxide-containing glass kiln flue gas heat exchange device, comprising:
The heat exchange device comprises a heat exchange area (1), wherein a high-temperature flue gas inlet (2) and a low-temperature flue gas inlet (3) are formed in the bottom of the heat exchange area (1), and a high-temperature flue gas outlet (4) and a low-temperature flue gas outlet (5) are formed in the top of the heat exchange area (1);
The high-temperature flue gas flow channel (6) is arranged in the heat exchange area (1), one end of the high-temperature flue gas flow channel (6) is connected with the high-temperature flue gas inlet (2), and the other end of the high-temperature flue gas flow channel is connected with the high-temperature flue gas outlet (4);
The low-temperature flue gas flow channel (7) is arranged in the heat exchange area (1) and is closely adjacent to the high-temperature flue gas flow channel (6), one end of the low-temperature flue gas flow channel (7) is connected with the low-temperature flue gas inlet (3), and the other end of the low-temperature flue gas flow channel is connected with the low-temperature flue gas outlet (5); and
The dust collecting area (8) is arranged at the bottom of the heat exchange area (1), and a particle dissipation structure (9) is arranged between the dust collecting area (8) and the heat exchange area (1).
2. The boron oxide-containing glass kiln flue gas heat exchange device according to claim 1, characterized in that the high temperature flue gas flow channels (6) and the low temperature flue gas flow channels (7) are arranged in a serpentine shape.
3. The boron oxide-containing glass kiln flue gas heat exchange device according to claim 2, wherein heat exchange plates (10) are arranged in the heat exchange area (1), the heat exchange plates (10) are arranged in a serpentine shape, and the high-temperature flue gas flow channels (6) and the low-temperature flue gas flow channels (7) are arranged on two sides of the heat exchange plates (10).
4. A boron oxide containing glass kiln flue gas heat exchange device according to any of claims 1-3, further comprising an insulating layer (11), said insulating layer (11) being provided on the outer walls of the low temperature flue gas flow channel (7) and the heat exchange zone (1).
5. The boron oxide-containing glass kiln flue gas heat exchange device according to claim 4, characterized in that the thickness of the heat preservation layer (11) is greater than 100mm.
6. The boron oxide containing glass kiln flue gas heat exchange device according to claim 4, characterized in that the dust collection zone (8) comprises:
The dust collecting plates (12) are provided with a plurality of conical structures, and the plurality of dust collecting plates (12) form the conical structures, and sharp corners of the conical structures are arranged far away from the heat exchange area (1);
The dust exhaust port (13) is arranged at the sharp corner of the conical structure, and a blocking plate (14) is arranged on the dust exhaust port (13).
7. The boron oxide containing glass kiln flue gas heat exchange device according to claim 6, characterized in that the particulate dissipating structure (9) comprises:
And the dissipation assembly is provided with a plurality of groups, the dissipation assembly is provided with dissipation ports (16), and the dissipation ports (16) correspond to the high-temperature flue gas flow channel (6) and the low-temperature flue gas flow channel (7).
8. The boron oxide containing glass kiln flue gas heat exchange device according to claim 7, characterized in that the dissipation assembly comprises at least one dissipation plate (15), the dissipation plate (15) being connected to the heat exchange plate (10) or to the side wall of the heat exchange zone (1), the gap between the dissipation plate (15) and the side wall of the heat exchange zone (1) or the gap between two adjacent dissipation plates (15) being a dissipation port (16).
9. The boron oxide-containing glass kiln flue gas heat exchange device according to claim 8, characterized in that the dissipation plate (15) is arranged obliquely, the dissipation plate (15) being inclined at an angle of 30 ° to the horizontal.
10. The boron oxide-containing glass kiln flue gas heat exchange device according to claim 8, wherein the dissipation plate (15) and the dust collecting plate (12) comprise steel plates and polyurethane heat insulation materials arranged on the steel plates, and the thickness of the heat insulation materials is larger than 50mm.
Priority Applications (1)
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