CN219867922U - Energy-saving heat-preserving structure of waste liquid incinerator - Google Patents
Energy-saving heat-preserving structure of waste liquid incinerator Download PDFInfo
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- CN219867922U CN219867922U CN202321198710.0U CN202321198710U CN219867922U CN 219867922 U CN219867922 U CN 219867922U CN 202321198710 U CN202321198710 U CN 202321198710U CN 219867922 U CN219867922 U CN 219867922U
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- 239000007788 liquid Substances 0.000 title claims abstract description 30
- 239000002699 waste material Substances 0.000 title claims abstract description 28
- 238000001816 cooling Methods 0.000 claims abstract description 57
- 239000010410 layer Substances 0.000 claims abstract description 35
- 239000012528 membrane Substances 0.000 claims abstract description 32
- 238000002485 combustion reaction Methods 0.000 claims abstract description 31
- 239000011229 interlayer Substances 0.000 claims abstract description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000003546 flue gas Substances 0.000 claims abstract description 9
- 239000002918 waste heat Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000004321 preservation Methods 0.000 claims description 19
- 235000002918 Fraxinus excelsior Nutrition 0.000 claims description 10
- 239000002956 ash Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 abstract description 3
- 239000011819 refractory material Substances 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- -1 phenolic aldehyde Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The utility model discloses an energy-saving heat-insulating structure of a waste liquid incinerator, which comprises a furnace body, wherein a combustion chamber and a burning-out chamber which are communicated with each other are arranged in the furnace body, the outer walls of the combustion chamber and the burning-out chamber are respectively provided with a water-cooling membrane wall and a heat-insulating layer, the water-cooling membrane wall consists of a plurality of water-cooling pipes and T-shaped fins, two adjacent water-cooling pipes are fixedly connected through the T-shaped fins, the heat-insulating layer is fixed on the outer side of the water-cooling membrane wall through the T-shaped fins and forms a heat-insulating interlayer with the water-cooling membrane wall, and flue gas outlets of the water-cooling pipes and the burning-out chamber are both communicated with a waste heat boiler; the utility model adopts the water-cooled wall and heat-insulating layer structure, so that the thickness of the refractory heat-insulating castable is greatly reduced, the heat energy generated by the incinerator can be effectively utilized, a forced ventilation centrifugal fan is eliminated, the surface temperature of the furnace body is not higher than 50 ℃, the risk of high-temperature scalding is avoided, and the safety of patrol and operation personnel is ensured.
Description
Technical Field
The utility model relates to the technical field of incinerators, in particular to an energy-saving heat-preserving structure of a waste liquid incinerator.
Background
The waste liquid incinerator is an incinerator capable of incinerating liquid. The liquid to be incinerated is generally organic dangerous waste liquid, the molecular structure of various harmful substances is destroyed by the waste liquid in the combustion chamber of the incinerator through a controllable high-temperature chemical reaction process, and the waste liquid is oxidized into carbon dioxide and water, so that the environment-friendly standard emission of waste liquid treatment is realized. The furnace body is generally built by a carbon steel shell, refractory bricks and insulating bricks. Since the waste liquid is able to react sufficiently in the internal furnace to produce harmless carbon dioxide and water, its furnace combustion operating temperature is often designed to be around 1100 ℃ or even higher. The furnace lining material of the existing incinerator is made of refractory materials with the heat transfer coefficient as small as possible, the thickness of the refractory materials is designed to be high (generally more than 350 mm), and the surface temperature of the incinerator body still reaches about 150 ℃ due to the fact that the operating temperature in the incinerator body is as high as 1130 ℃ to 1380 ℃, the risk of high-temperature scalding exists, so that an air jacket with the thickness of about 120mm is arranged on the outer surface of the cylinder body, and the surface of the incinerator shell is forced to be ventilated and cooled by means of a centrifugal fan. However, the existing waste liquid incinerator still has certain defects:
firstly, the thickness of the refractory material of the furnace wall of the existing incinerator reaches more than 400mm in order to insulate heat and cool down, and an air jacket with the thickness of 120mm is added, so that the incinerator body is thick and heavy, and the investment cost of the incinerator body is greatly increased;
secondly, heat energy generated by the furnace wall is blown away by a fan, and the heat energy cannot be fully utilized;
if the fan has faults such as tripping, the surface temperature of the furnace body can rise to more than 100 ℃ in a short time, the risk that the furnace is forced to be shut down due to the overhigh surface temperature of the incinerator equipment can seriously influence the safety of the incinerator equipment body and field personnel if effective measures such as shutdown maintenance are not taken.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides an energy-saving heat-preserving structure of a waste liquid incinerator.
The aim of the utility model is realized by the following technical scheme:
the utility model provides an energy-conserving insulation construction of waste liquid incinerator, includes the furnace body, is equipped with combustion chamber and the ashes room of mutual intercommunication in the furnace body, the outer wall of combustion chamber and ashes room all is equipped with water-cooling membrane wall and heat preservation, the water-cooling membrane wall comprises a plurality of water-cooling tubes and T type fin, through T type fin fixed connection between two adjacent water-cooling tubes, the heat preservation passes through T type fin to be fixed in the water-cooling membrane wall outside and forms the heat preservation intermediate layer with the water-cooling membrane wall between, the flue gas export of water-cooling tube and ashes room all communicates with exhaust-heat boiler.
In the above summary, further, the cross sections of the combustion chamber and the ember chamber are circular.
In the above summary, further, the T-shaped fin is composed of a connecting plate and a fixing plate vertically fixed to the connecting plate, the connecting plate is an arc-shaped plate, the curvature of the arc-shaped plate is the same as the curvature of the circular cross sections of the combustion chamber and the burn-out chamber, and the plurality of water cooling pipes are fixedly connected through the arc-shaped plate and form an annular water cooling membrane wall.
In the above summary, further, the fixing plate is provided with a plurality of screw holes facing the heat-insulating layer along the length direction, the inner surface of the heat-insulating layer is provided with a plurality of grooves matched with the fixing plate, the grooves are internally provided with screw holes II penetrating through the heat-insulating layer, and the fixing bolts penetrate through the screw holes I and fix the heat-insulating layer outside the water-cooling membrane wall through the screw holes II.
In the above summary, further, the length of the fixing plate is greater than the radius of the water-cooled tube, and the heat-insulating layer is fixed on the outside of the water-cooled membrane wall by the fixing plate and forms a heat-insulating interlayer with the water-cooled membrane wall.
In the above summary, further, the combustion chamber is disposed vertically, and the combustion chamber is disposed horizontally and is in vertical communication with the combustion chamber.
In the above summary of the utility model, further, the bottom of the burnout chamber is provided with a supporting member, the supporting member comprises a supporting bottom plate and an arc plate fixed on the supporting bottom plate, the bending angle of the arc plate is the same as the bending degree of the circular section of the burnout chamber, and the burnout chamber is horizontally placed on the ground through the supporting member.
In the above summary, further, the high temperature corrosion-resistant and wear-resistant paint layer is arranged in the pipe wall of the water-cooled pipe.
The beneficial effects of the utility model are as follows:
the improved furnace body in the scheme is provided with a furnace lining with the thickness of 120mm, a water-cooling membrane wall and a heat-insulating layer with the thickness of 100mm from inside to outside, so that the thickness of the refractory heat-insulating castable is greatly reduced, and the overall investment cost is greatly saved compared with that of the original structure; secondly, the outer layer of the furnace body is changed into a conventional heat preservation layer from an air jacket, a forced ventilation centrifugal fan is omitted, the surface temperature of the furnace body is not higher than 50 ℃, the risk of high-temperature scalding is avoided, and the safety of patrol and operation staff is ensured; meanwhile, the heat emitted by the furnace body is mainly absorbed by the desalted water forced to flow in the water-cooling membrane wall, and the heated desalted water enters the waste heat furnace and is heated into qualified steam by hot flue gas generated by the incinerator, so that the overall heat utilization rate of the equipment is improved.
Drawings
FIG. 1 is a front cross-sectional view of the present utility model;
FIG. 2 is a cross-sectional view of a water-cooled membrane wall of the utility model;
FIG. 3 is a schematic view of the water-cooled membrane wall of the present utility model after deployment;
FIG. 4 is an enlarged view of a portion of the present utility model A;
fig. 5 is a schematic structural view of the support member of the present utility model.
In the figure, a 1-combustion chamber, a 2-combustion chamber, a 3-water-cooling membrane wall, a 31-water-cooling pipe, 32-T-shaped fins, 321-connecting plates, 322-fixing plates, 4-heat insulation layers, 5-heat insulation interlayers, 6-grooves, 7-threaded holes I, 8-threaded holes II, 9-supporting pieces, 91-supporting bottom plates and 92-circular arc plates are arranged.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
Examples:
in the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must be provided with a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-5, an energy-saving heat-preserving structure of a waste liquid incinerator comprises a furnace body, wherein a combustion chamber 1 and a burn-out chamber 2 which are mutually communicated are arranged in the furnace body, organic waste liquid is firstly heated and combusted in the combustion chamber, the molecular structure of various harmful substances is destroyed in a controllable high-temperature chemical reaction process, the waste liquid is oxidized into carbon dioxide and water, and generated flue gas enters the burn-out chamber to be fully combusted again, so that the waste liquid is treated and discharged after reaching the standard in an environment-friendly way. The outer walls of the combustion chamber 1 and the ashes chamber 2 are respectively provided with a water-cooling membrane wall 3 and a heat preservation layer 4, the furnace body in the scheme is provided with a furnace lining with the thickness of 120mm, a water-cooling membrane wall 3 and a heat preservation layer 4 with the thickness of 100mm from inside to outside, and the total thickness is far less than the thickness of the furnace wall of a conventional waste liquid incinerator.
Specifically, the thickness of the heat-insulating refractory material in the furnace body of the conventional waste liquid incinerator is about 350-400 mm, an air interlayer with the thickness of about 100mm is arranged outside the furnace, so that the weight of the incinerator body is heavier, the total weight of the steel shell of the incinerator and the internal refractory material equipment reaches more than 370 tons by taking an ABS resin production line matched waste liquid treatment incinerator as an example, wherein about 340 tons of refractory material and 30 tons of carbon steel shell are used, the supply and construction budget of refractory materials is calculated according to the market price of 2 ten thousand yuan per ton, the cylinder material and the processing cost of 8000 yuan per ton, and the cost of the incinerator body reaches 704 ten thousand yuan. In the technical scheme, after the water-cooled membrane wall 3 and the heat preservation layer 4 are used, the thickness of the refractory heat preservation castable is greatly reduced, the production and processing cost of the membrane wall is slightly increased, but the total investment production is saved by about 100 ten thousand yuan compared with the original structure. The thickness of the casting material is reduced, so that the overall external diameter size of the incinerator is correspondingly reduced, the equipment weight is correspondingly reduced by about 70 tons, and the production cost is greatly saved; meanwhile, the desalted water is added into the water cooling pipe 31, so that heat generated by the furnace body can be absorbed, and the water cooling pipe 31 is directly communicated with the waste heat boiler, so that the heated desalted water can enter the waste heat furnace steam-water system after the incinerator, and finally, the heated flue gas generated by the incinerator in the waste heat furnace is heated to qualified steam, so that the generated heat energy is fully utilized, and the combustion raw materials are saved.
The water-cooling membrane wall 3 consists of a plurality of water-cooling pipes 31 and T-shaped fins 32, two adjacent water-cooling pipes 31 are fixedly connected through the T-shaped fins 32, the heat preservation layer 4 is fixed on the outer side of the water-cooling membrane wall 3 through the T-shaped fins 32 and forms a heat preservation interlayer 5 with the water-cooling membrane wall 3, and the output ends of the water-cooling pipes 31 and the flue gas outlet of the burning-out chamber 2 are both communicated with a waste heat boiler. Specifically, the heat preservation layer 4 is adopted to replace an air interlayer, a forced ventilation centrifugal fan is omitted, and the heat of the furnace body shell is cooled and absorbed by desalted water, so that the overall heat utilization rate of the equipment is improved; on the other hand, auxiliary equipment (a centrifugal fan) is correspondingly reduced, the fault occurrence rate is reduced, the surface temperature of the furnace body is not higher than 50 ℃, the risk of high-temperature scalding is avoided, and the safety of inspection and operation personnel is ensured. The heat preservation layer 4 can be fixed on the outer surface of the water-cooling membrane wall 3 by adopting a phenolic aldehyde heat preservation plate or aluminum silicate heat preservation cotton, and has good heat insulation effect.
In the above embodiment, the cross sections of the combustion chamber 1 and the ember chamber 2 are preferably circular, so that the waste liquid and the flue gas are fully combusted in the incinerator, and the generated heat energy can be uniformly absorbed by the water-cooling mode wall.
In the above embodiment, as shown in fig. 2 and fig. 3, it is preferable that, because the sections of the combustion chamber 1 and the ember chamber 2 are circular, and correspondingly, the cross sections of the water-cooled membrane walls 3 disposed on the outer walls of the combustion chamber 1 and the ember chamber 2 are annular, the T-shaped fins 32 are composed of a connecting plate 321 and a fixing plate 322 vertically fixed to the connecting plate 321, the connecting plate 321 is an arc-shaped plate, the curvature of the arc-shaped plate is the same as the curvature of the circular sections of the combustion chamber 1 and the ember chamber 2, and the plurality of water-cooled tubes 31 are fixedly connected through the arc-shaped plate and form the annular water-cooled membrane walls 3.
In the above embodiment, preferably, the fixing plate 322 is provided with a plurality of first threaded holes 7 facing the heat insulation layer 4 along the length direction, a plurality of grooves 6 matching with the fixing plate 322 are formed on the inner surface of the heat insulation layer 4, second threaded holes 8 penetrating through the heat insulation layer 4 are formed in the grooves 6, and the fixing bolts penetrate through the first threaded holes 7 and fix the heat insulation layer 4 outside the water-cooled membrane wall 3 through the second threaded holes 8. Specifically, a plurality of water cooling pipes 31 and T-shaped fins 32 are combined and welded on the outer walls of the combustion chamber 1 and the burn-out chamber 2 to form a water cooling mode wall, then grooves 6 on the heat preservation layer 4 are aligned with the T-shaped fins 32, and the heat preservation layer 4 is fixed on the outer side of the water cooling film wall 3 through fixing bolts.
In the above embodiment, preferably, the length of the fixing plate 322 is greater than the radius of the water-cooling tube 31, the insulating layer 4 is fixed on the outer side of the water-cooling film wall 3 by the fixing plate 322 and forms an insulating interlayer 5 with the water-cooling film wall 3, so that a closed interlayer is formed by the water-cooling tube 31 and the insulating layer 4 between two adjacent T-shaped fins 32, that is, the insulating interlayer 5, the length of the fixing plate 322 is greater than the radius of the water-cooling tube 31 but not greater than the diameter of the water-cooling tube 31, so that the distance between the insulating layer 4 and the water-cooling tube 31 is not too great, the thickness of the whole furnace wall is not increased as a whole, the insulating interlayer 5 has a double insulating effect on the desalted water in the water-cooling tube 31, so that the desalted water heated in the water-cooling tube 31 maintains the temperature, and after entering the waste heat boiler, the hot flue gas generated by the incinerator is heated into qualified steam.
In the above embodiment, it is preferable that the combustion chamber 1 is arranged vertically, and the combustion chamber 2 is arranged horizontally and communicates vertically with the combustion chamber 1.
In the above embodiment, preferably, in order to increase the stability of the ember chamber 2 arranged horizontally, as shown in fig. 5, a supporting member 9 is provided at the bottom of the ember chamber 2, the supporting member 9 includes a supporting base plate 91 and an arc plate 92 fixed on the supporting base plate 91, the bending angle of the arc plate 92 is the same as the bending angle of the circular section of the ember chamber 2, and the ember chamber 2 is placed on the arc plate 92 and horizontally placed on the ground by the supporting member 9.
In the above embodiment, it is preferable that the water-cooled tube 31 is generally made of a rigid material, and the inside of the water-cooled tube is easily corroded by steam after being heated for a long period of time, so that a high-temperature corrosion-resistant and wear-resistant coating layer is provided in the tube wall of the water-cooled tube 31, thereby increasing the service life of the water-cooled tube 31.
The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (8)
1. The utility model provides an energy-conserving insulation construction of waste liquid incinerator, includes the furnace body, is equipped with combustion chamber (1) and the ashes room (2) of mutual intercommunication in the furnace body, its characterized in that, the outer wall of combustion chamber (1) and ashes room (2) all is equipped with water-cooling diaphragm wall (3) and heat preservation (4), water-cooling diaphragm wall (3) comprise a plurality of water-cooling pipes (31) and T type fin (32), through T type fin (32) fixed connection between two adjacent water-cooling pipes (31), heat preservation (4) are fixed in water-cooling diaphragm wall (3) outside and with water-cooling diaphragm wall (3) between form heat preservation intermediate layer (5), and the flue gas export of water-cooling pipe (31) and ashes room (2) all communicates with waste heat boiler.
2. The energy-saving and heat-preserving structure of a waste liquid incinerator according to claim 1, wherein the cross sections of the combustion chamber (1) and the ashes chamber (2) are circular.
3. The energy-saving and heat-insulating structure of the waste liquid incinerator according to claim 2, wherein the T-shaped fins (32) are composed of connecting plates (321) and fixing plates (322) vertically fixed with the connecting plates (321), the connecting plates (321) are arc-shaped plates, the curvature of the arc-shaped plates is the same as the curvature of the circular sections of the combustion chamber (1) and the ashes chamber (2), and the plurality of water-cooled tubes (31) are fixedly connected through the arc-shaped plates and form an annular water-cooled membrane wall (3).
4. A waste liquid incinerator energy-saving heat-insulating structure according to claim 3, characterized in that the fixing plate (322) is provided with a plurality of first threaded holes (7) facing the heat-insulating layer (4) along the length direction, a plurality of grooves (6) matched with the fixing plate (322) are formed in the inner surface of the heat-insulating layer (4), second threaded holes (8) penetrating through the heat-insulating layer (4) are formed in the grooves (6), and fixing bolts penetrate through the first threaded holes (7) and fix the second threaded holes (8) on the outer side of the water-cooling membrane wall (3).
5. The energy-saving and heat-insulating structure of a waste liquid incinerator according to claim 4, wherein the length of the fixing plate (322) is larger than the radius of the water cooling pipe (31), and the heat-insulating layer (4) is fixed on the outer side of the water cooling membrane wall (3) through the fixing plate (322) and forms a heat-insulating interlayer (5) with the water cooling membrane wall (3).
6. A waste incinerator energy saving and heat insulating structure according to claim 3, characterized in that the combustion chamber (1) is arranged vertically, and the ashes chamber (2) is arranged horizontally and is communicated with the combustion chamber (1) vertically.
7. The energy-saving and heat-insulating structure of a waste liquid incinerator according to claim 6, wherein a supporting piece (9) is arranged at the bottom of the burning-out chamber (2), the supporting piece (9) comprises a supporting bottom plate (91) and an arc plate (92) fixed on the supporting bottom plate (91), the bending angle of the arc plate (92) is the same as the bending angle of the circular section of the burning-out chamber (2), and the burning-out chamber (2) is horizontally placed on the ground through the supporting piece (9).
8. The energy-saving and heat-insulating structure of the waste liquid incinerator according to claim 1, wherein the high-temperature corrosion-resistant and wear-resistant paint layer is arranged in the pipe wall of the water cooling pipe (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321198710.0U CN219867922U (en) | 2023-05-17 | 2023-05-17 | Energy-saving heat-preserving structure of waste liquid incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321198710.0U CN219867922U (en) | 2023-05-17 | 2023-05-17 | Energy-saving heat-preserving structure of waste liquid incinerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219867922U true CN219867922U (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321198710.0U Active CN219867922U (en) | 2023-05-17 | 2023-05-17 | Energy-saving heat-preserving structure of waste liquid incinerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219867922U (en) |
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2023
- 2023-05-17 CN CN202321198710.0U patent/CN219867922U/en active Active
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