CN221146570U - Flue gas energy-saving device - Google Patents
Flue gas energy-saving device Download PDFInfo
- Publication number
- CN221146570U CN221146570U CN202322919824.6U CN202322919824U CN221146570U CN 221146570 U CN221146570 U CN 221146570U CN 202322919824 U CN202322919824 U CN 202322919824U CN 221146570 U CN221146570 U CN 221146570U
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- flue gas
- heat transfer
- energy
- filter
- smoke
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 239000003546 flue gas Substances 0.000 title claims abstract description 91
- 239000000779 smoke Substances 0.000 claims abstract description 47
- 229920000742 Cotton Polymers 0.000 claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 239000012535 impurity Substances 0.000 claims abstract description 6
- 238000007664 blowing Methods 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 8
- 239000011229 interlayer Substances 0.000 claims description 8
- 239000010410 layer Substances 0.000 claims description 6
- 235000019504 cigarettes Nutrition 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 229920006395 saturated elastomer Polymers 0.000 abstract description 2
- 239000004071 soot Substances 0.000 abstract 3
- 239000007788 liquid Substances 0.000 description 20
- 238000004140 cleaning Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Chimneys And Flues (AREA)
Abstract
The application relates to the technical field of energy conservation, in particular to a flue gas energy conservation. The smoke energy-saving device comprises a machine body and a smoke inlet arranged at the top of the machine body, wherein a filtering structure is detachably arranged on one side of the machine body, which is close to the smoke inlet, and the filtering structure comprises filtering cotton used for absorbing impurities in smoke. The application has the following effects: the filter structure is arranged at the smoke inlet of the smoke energy-saving device, so that soot and the like in high-temperature smoke entering the smoke energy-saving device can be filtered, the probability of soot forming into soot in the smoke energy-saving device is reduced, the heat transfer efficiency of the smoke energy-saving device is improved, and the service performance of the smoke energy-saving device is improved; and the filter structure is detachable, when the filter capacity of the filter structure is saturated, the filter structure can be detached and replaced, and the filter structure is convenient.
Description
Technical Field
The application relates to the technical field of energy conservation, in particular to a flue gas energy conservation.
Background
In industrial production, a large amount of fuel is required to be consumed by the boiler and various kilns, and due to the shortage of energy sources, flue gas energy-saving devices are currently arranged at the tail parts of the boiler and various kilns for saving the energy consumption; the flue gas energy-saving device is used for absorbing heat in flue gas at the tail part of a boiler or a kiln to raise the temperature of water or other mediums and utilize the heat, thereby lowering the temperature of discharged smoke, improving the energy utilization rate and saving the fuel consumption.
The utility model discloses a smoke energy-saving device as disclosed in Chinese patent publication No. CN207230590U, which comprises a shell, wherein the shell comprises a cylindrical barrel, a conical smoke inlet arranged at the lower end of the barrel and a conical smoke outlet arranged at the upper end of the barrel, a square opening is arranged on the side surface of the barrel, a coil pipe assembly is arranged in the square opening, the coil pipe assembly comprises an inner barrel, a coil pipe spirally wound on the circumference of the inner barrel and a cover plate arranged at the square opening, the coil pipe is provided with a liquid inlet and a liquid outlet, high-temperature smoke enters the inner barrel and the barrel from the smoke inlet, liquid is taken away in the coil pipe spirally wound on the inner barrel, and the liquid takes away the residual heat of the smoke.
Because the high-temperature flue gas generated by the combustion of the fuel contains impurities such as ash, the ash in the high-temperature flue gas can form ash and scale in the flue gas energy-saving device after long-time working, the heat transfer efficiency of the flue gas energy-saving device is reduced, and the performance of the flue gas energy-saving device is influenced.
Disclosure of utility model
The application provides a flue gas energy-saving device in order to improve the heat transfer efficiency of the flue gas energy-saving device.
The application provides a flue gas energy-saving device, which adopts the following technical scheme: the smoke filter comprises a machine body and a smoke inlet arranged at the top of the machine body, wherein a filter structure is detachably arranged on one side of the machine body, which is close to the smoke inlet, and the filter structure comprises filter cotton used for absorbing impurities in smoke.
By adopting the technical scheme, the filter structure is arranged at the smoke inlet of the smoke energy-saving device, so that the ash and the like in the high-temperature smoke entering the smoke energy-saving device can be filtered, the probability of ash forming into ash scales in the smoke energy-saving device is reduced, the heat transfer efficiency of the smoke energy-saving device is improved, and the service performance of the smoke energy-saving device is improved; and the filter structure is detachable, when the filter capacity of the filter structure is saturated, the filter structure can be detached and replaced, and the filter structure is convenient.
Preferably, the filter structure further comprises a filter frame detachably arranged on the machine body, more than one filter hole is formed in the bottom of the filter frame, the filter holes are uniformly distributed in the bottom of the filter frame, and the filter cotton is filled in the filter frame.
Through adopting above-mentioned technical scheme, be provided with the dismouting that filter frame can be convenient for filter cotton, and the equipartition makes the high temperature flue gas through filter cotton can comparatively evenly enter into in the flue gas energy-saving appliance in the filtration hole at the bottom of the filter frame, makes flue gas energy-saving appliance inner structure be heated more evenly, further improves the performance of flue gas energy-saving appliance.
Preferably, the machine body is provided with more than one air blowing fan, a plurality of air blowing fans are uniformly distributed at the top of the machine body along the circumferential direction of the smoke inlet, the air blowing fans are communicated to the inside of the machine body, and the filtering structure is distant from the top of the machine body.
By adopting the technical scheme, the blowing fan can accelerate the speed of high-temperature flue gas passing through the filter structure, and reduce the probability of heat loss of the high-temperature flue gas in the filter structure.
Preferably, the filter cotton is provided with a plurality of layers, and the filter cotton is sequentially filled and arranged along the depth direction of the filter frame.
By adopting the technical scheme, the filter cotton is provided with a plurality of layers, so that the filtering effect of the filter cotton is further improved, and the heat transfer efficiency of the flue gas energy saver is improved.
Preferably, a heat-insulating interlayer is arranged in the machine body along the circumferential direction of the inner wall of the machine body, and heat-insulating cotton is filled in the heat-insulating interlayer.
By adopting the technical scheme, the heat-insulating cotton is filled in the heat-insulating interlayer, so that the heat dissipation speed of high-temperature flue gas in the flue gas energy economizer is reduced, and the heat transfer effect of the flue gas energy economizer is better.
Preferably, more than one energy-saving heat transfer plate is arranged in the machine body, the energy-saving heat transfer plates are mutually parallel and arranged in the machine body, a flue gas channel is formed between adjacent energy-saving heat transfer plates at intervals, the energy-saving heat transfer plates comprise two heat transfer sub-plates with edges mutually sealed, and a circulation cavity is formed between the two heat transfer sub-plates.
By adopting the technical scheme, the high-temperature flue gas fully contacts with the energy-saving heat transfer plate when passing through the flue gas channel, the energy-saving heat transfer plate only has a back flue surface with the cross section, and the back flue surface is negligible relative to the whole surface area of the energy-saving heat transfer plate, so the thermal contact efficiency between the energy-saving heat transfer plate and the high-temperature flue gas is very high, and the heat transfer efficiency of the flue gas energy saver is effectively improved.
Preferably, a plurality of heat transfer bags are formed between the two heat transfer sub-plates through expansion, the plurality of heat transfer bags are uniformly distributed on the surface of the energy-saving heat transfer plate, a plurality of flue gas grooves are formed between the plurality of heat transfer bags, and the flue gas grooves circulate with the flue gas channels.
By adopting the technical scheme, the heat transfer package can increase the surface area of the energy-saving heat transfer plate, improves the contact area between the energy-saving heat transfer plate and the smoke, simultaneously forms smoke grooves on the surface of the energy-saving heat transfer plate between the heat transfer packages, and when high-temperature smoke flows through the smoke grooves, the heat transfer package has a turbulent flow effect on the high-temperature smoke so as to enable the smoke to continuously make steering movement, thereby improving the heat transfer coefficient of the smoke on the heating surface of the energy-saving heat transfer plate, enhancing heat transfer and improving heat exchange efficiency.
Preferably, a plurality of reinforcing welding spots are formed between the heat transfer packs through spot welding, the reinforcing welding spots are respectively positioned at the smoke grooves, and the circulating cavity is blocked into a plurality of mutually communicated flow channels by the reinforcing welding spots.
Through adopting above-mentioned technical scheme, the liquid in the circulation chamber in the middle of entering energy-conserving heat transfer plate can change the flow direction after hitting the reinforcement solder joint, can produce certain impact to energy-conserving heat transfer plate, and high temperature flue gas can be to the face thermal shock of face when flowing through energy-conserving heat transfer plate's surface, inside and outside dual impact heating difference stimulations down, energy-conserving heat transfer plate's face can produce micro deformation, can make ash dirt and medium dirt layer take place the friable and peel off, the ash dirt is difficult for bonding like this, pile up on energy-conserving heat transfer plate's surface to make energy-conserving heat transfer plate have from deashing, the ability of dirt cleaning.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The filter structure reduces the content of ash in high-temperature flue gas entering the flue gas economizer, improves the heat transfer efficiency of the flue gas economizer, and improves the performance of the flue gas economizer;
2. the energy-saving heat transfer plate has certain self-ash-cleaning and dirt-cleaning capabilities.
Drawings
FIG. 1 is a schematic view of the overall structure of the present application;
FIG. 2 is a schematic cross-sectional view of a portion of the structure of the present application;
FIG. 3 is an enlarged schematic view of a portion A of FIG. 2;
FIG. 4 is a partially enlarged schematic view of portion B of FIG. 2
Fig. 5 is a schematic view showing the structure of a filter frame in the present application, for showing a filter hole.
Reference numerals illustrate: 110. a body; 111. a smoke inlet; 112. energy-saving heat transfer plate; 113. a flue gas channel; 114. a heat transfer sub-plate; 115. a flow-through chamber; 116. a liquid inlet pipe; 117. a liquid outlet pipe; 121. a heat transfer pack; 122. a flue gas groove; 123. reinforcing welding spots; 130. a filtering structure; 131. filtering cotton; 132. a filter frame; 133. a filter hole; 134. a fixing bolt; 140. an air blowing fan; 150. and (5) heat preservation interlayer.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings.
The application discloses a flue gas energy-saving device, which is used for improving the heat transfer efficiency of the flue gas energy-saving device.
Referring to fig. 1 and 2, the flue gas economizer includes a main body 110 and a flue inlet 111 formed at the top of the main body 110, more than one energy-saving heat transfer plate 112 is disposed in the main body 110, the energy-saving heat transfer plates 112 are arranged in parallel with each other in the main body 110, a flue gas channel 113 is formed between adjacent energy-saving heat transfer plates 112, in this embodiment, the main body 110 is a cube box, six energy-saving heat transfer plates 112 are disposed in the main body 110, the six energy-saving heat transfer plates 112 are arranged in parallel with each other in the main body 110 along the width direction of the main body 110, five flue gas channels 113 are formed between the six energy-saving heat transfer plates 112, the energy-saving heat transfer plates 112 include two heat transfer sub-plates 114 with edges being mutually sealed, a circulation cavity 115 is formed between the two heat transfer sub-plates 114, and the main body 110 is provided with a liquid inlet pipe 116 and a liquid outlet pipe 117, both the liquid inlet pipe 116 and the liquid outlet pipe 117 are in phase flow with the circulation cavity 115, high-temperature flue gas enters the flue gas economizer from the flue gas inlet 111, liquid medium enters into the flue gas economizer from the liquid inlet 116 to the circulation cavity 115, after the high-temperature transfer heat is transferred to the liquid medium 117 flows into the liquid medium in the main body 110, and the flue gas channel is discharged from the liquid medium flows out from the liquid pipe 116, when the high-temperature medium passes through the heat transfer plate and the heat transfer plate 112, and the flue gas efficiency is fully improved.
Referring to fig. 2 and 3, in order to further improve the heat transfer efficiency of the flue gas economizer, a plurality of heat transfer packs 121 are formed between the two heat transfer sub-plates 114 through expansion, the plurality of heat transfer packs 121 are uniformly distributed on the surface of the energy-saving heat transfer plate 112, a plurality of flue gas grooves 122 are formed between the plurality of heat transfer packs 121, the flue gas grooves 122 circulate with the flue gas channels 113, the heat transfer packs 121 can increase the surface area of the energy-saving heat transfer plate 112, the contact area between the energy-saving heat transfer plate 112 and flue gas is increased, meanwhile, the flue gas grooves 122 are formed on the surface of the energy-saving heat transfer plate 112 between the heat transfer packs 121, when high-temperature flue gas flows through the flue gas grooves 122, the heat transfer packs 121 have a turbulent flow effect on the high-temperature flue gas, so that the flue gas is continuously diverted, thereby improving the heat transfer coefficient of the flue gas to the heated surface of the energy-saving heat transfer plate 112, and improving the heat exchange efficiency.
Because the high-temperature flue gas contains impurities such as ash, ash and dirt are easy to adhere to the flue gas energy-saving device after long-time working, the heat transfer efficiency of the flue gas energy-saving device is affected, a plurality of reinforcing welding spots 123 are formed between the plurality of heat transfer bags 121 through spot welding, the plurality of reinforcing welding spots 123 are respectively positioned at the plurality of flue gas grooves 122, and the plurality of reinforcing welding spots 123 separate the circulation cavity 115 into a plurality of mutually communicated flow channels.
The liquid entering the middle circulation cavity 115 of the energy-saving heat transfer plate 112 changes the flow direction after striking the reinforcing welding points 123, a certain impact is generated on the energy-saving heat transfer plate 112, high-temperature flue gas can generate thermal shock on the surface of the plate when flowing through the surface of the energy-saving heat transfer plate 112, and under the stimulation of dual impact heating difference between the inside and the outside, the plate surface of the energy-saving heat transfer plate 112 can generate micro deformation, so that ash and medium dirt layers can be subjected to brittle peeling, and the ash and the dirt are not easy to adhere and accumulate on the surface of the energy-saving heat transfer plate 112, thereby the energy-saving heat transfer plate 112 has the capabilities of self-cleaning and dirt removal.
Referring to fig. 4 and 5, in order to further reduce the probability of ash and dirt, a filter structure 130 is detachably arranged on one side of the machine body 110, which is close to the smoke inlet 111, the filter structure 130 comprises a filter cotton 131 for absorbing impurities in smoke and a filter frame 132 detachably arranged on the machine body 110, more than one filter hole 133 is formed in the frame bottom of the filter frame 132, a plurality of filter holes 133 are uniformly distributed in the frame bottom of the filter frame 132, and the filter holes 133 uniformly distributed in the frame bottom of the filter frame 132 enable high-temperature smoke passing through the filter cotton 131 to enter the smoke energy saver relatively uniformly, so that the internal structure of the smoke energy saver is heated more uniformly; the filter cotton 131 is filled in the filter frame 132, and the filter cotton 131 is provided with the multilayer, and the multilayer filter cotton 131 fills in proper order along filter frame 132 depth direction and arranges, in this embodiment, filter frame 132 can dismantle with organism 110 through a plurality of fixing bolts 134 and be connected, and a plurality of fixing bolts 134 set up along filter frame 132 circumference, and filter cotton 131 is provided with the four-layer, makes the filter effect better.
Referring to fig. 2 and fig. 4, due to the arrangement of the filtering structure 130, heat dissipation of high-temperature flue gas can be caused when the high-temperature flue gas passes through the filtering structure 130, more than one air blowing fan 140 is arranged on the machine body 110, a plurality of air blowing fans 140 are uniformly distributed at the top of the machine body 110 along the circumference of the flue gas inlet 111, the air blowing fans 140 are communicated to the inside of the machine body 110, the filtering structure 130 is separated from the top of the machine body 110, in the embodiment, four air blowing fans 140 are arranged, the four air blowing fans 140 are respectively positioned at four vertex angle positions of the top of the machine body 110, the speed of the high-temperature flue gas passing through the filtering structure 130 can be accelerated by the air blowing fans 140, and the probability of heat dissipation of the high-temperature flue gas in the filtering structure 130 is reduced.
In order to further reduce heat dissipation of high-temperature flue gas, a heat insulation interlayer 150 is disposed in the machine body 110 along the circumferential direction of the inner wall of the machine body 110, in this embodiment, heat insulation cotton is filled in the heat insulation interlayer 150, and in other embodiments, other materials with heat insulation effects, such as rubber and plastic heat insulation materials, can be filled according to practical and economic conditions.
The implementation principle of the flue gas energy-saving device provided by the embodiment of the application is as follows: the liquid medium enters the circulation cavity 115 from the liquid inlet pipe 116, and the high-temperature flue gas enters the flue gas channel 113 after passing through the filtering structure 130, and the high-temperature flue gas fully contacts with the energy-saving heat transfer plate 112 due to the formation of the heat transfer package 121, so that the heat transfer efficiency of the flue gas energy saver is improved, and the service performance of the flue gas energy saver is improved.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (8)
1. The utility model provides a flue gas energy-saving appliance, includes organism (110) and sets up inlet (111) at organism (110) top, its characterized in that: a filter structure (130) is detachably arranged on one side, close to the smoke inlet (111), of the machine body (110), and the filter structure (130) comprises filter cotton (131) used for absorbing impurities in smoke.
2. A flue gas economizer according to claim 1 wherein: the filter structure (130) further comprises a filter frame (132) which is detachably arranged on the machine body (110), more than one filter hole (133) is formed in the frame bottom of the filter frame (132), the filter holes (133) are uniformly distributed in the frame bottom of the filter frame (132), and filter cotton (131) is filled in the filter frame (132).
3. A flue gas economizer according to claim 2 wherein: be provided with more than one blowing fan (140) on organism (110), a plurality of blowing fans (140) follow advance cigarette mouth (111) circumference equipartition in organism (110) top, just blowing fan (140) communicate to inside organism (110), filtering structure (130) with organism (110) top has the distance.
4. A flue gas economizer according to claim 3 wherein: the filter cotton (131) is provided with a plurality of layers, and the filter cotton (131) is sequentially filled and arranged along the depth direction of the filter frame (132).
5. A flue gas economizer according to claim 4 wherein: the heat insulation machine is characterized in that a heat insulation interlayer (150) is arranged in the machine body (110) along the circumferential direction of the inner wall of the machine body (110), and heat insulation cotton is filled in the heat insulation interlayer (150).
6. A flue gas economizer according to claim 5 wherein: more than one energy-saving heat transfer plate (112) is arranged in the machine body (110), the energy-saving heat transfer plates (112) are mutually parallel to be arranged in the machine body (110), a flue gas channel (113) is formed between every two adjacent energy-saving heat transfer plates (112), each energy-saving heat transfer plate (112) comprises two heat transfer sub-plates (114) with edges mutually sealed, and a circulation cavity (115) is formed between the two heat transfer sub-plates (114).
7. A flue gas economizer according to claim 6 wherein: a plurality of heat transfer bags (121) are formed between the two heat transfer sub-plates (114) through expansion, the plurality of heat transfer bags (121) are uniformly distributed on the surfaces of the energy-saving heat transfer plates (112), a plurality of flue gas grooves (122) are formed between the plurality of heat transfer bags (121), and the flue gas grooves (122) circulate with the flue gas channels (113).
8. A flue gas economizer according to claim 7 wherein: a plurality of reinforcing welding spots (123) are formed among the heat transfer packs (121) through spot welding, the reinforcing welding spots (123) are respectively positioned at the smoke grooves (122), and the reinforcing welding spots (123) block the circulation cavity (115) into a plurality of mutually communicated flow channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322919824.6U CN221146570U (en) | 2023-10-28 | 2023-10-28 | Flue gas energy-saving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322919824.6U CN221146570U (en) | 2023-10-28 | 2023-10-28 | Flue gas energy-saving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221146570U true CN221146570U (en) | 2024-06-14 |
Family
ID=91427221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322919824.6U Active CN221146570U (en) | 2023-10-28 | 2023-10-28 | Flue gas energy-saving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221146570U (en) |
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2023
- 2023-10-28 CN CN202322919824.6U patent/CN221146570U/en active Active
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