CN117433025B - Waste heat recovery device for RTO waste gas treatment - Google Patents
Waste heat recovery device for RTO waste gas treatment Download PDFInfo
- Publication number
- CN117433025B CN117433025B CN202311736706.XA CN202311736706A CN117433025B CN 117433025 B CN117433025 B CN 117433025B CN 202311736706 A CN202311736706 A CN 202311736706A CN 117433025 B CN117433025 B CN 117433025B
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- water
- pipe
- pressure relief
- waste gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002912 waste gas Substances 0.000 title claims abstract description 58
- 238000011084 recovery Methods 0.000 title claims abstract description 27
- 239000002918 waste heat Substances 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 275
- 239000007789 gas Substances 0.000 claims abstract description 58
- 238000002485 combustion reaction Methods 0.000 claims abstract description 12
- 230000003139 buffering effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000005192 partition Methods 0.000 description 20
- 238000000034 method Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 239000010815 organic waste Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a waste heat recovery device for RTO waste gas treatment, which particularly relates to the technical field of RTO waste gas treatment, and comprises an RTO combustion furnace and a heat exchange assembly, wherein the heat exchange assembly comprises a plurality of heat exchange water tanks, heat exchange pipes are arranged in the heat exchange water tanks, high-temperature waste gas discharged by an exhaust pipe flows from the heat exchange pipes in a first group of heat exchange water tanks to the heat exchange pipes in each group of heat exchange water tanks at the rear in sequence, water required for heat exchange flows from a last group of heat exchange water tanks to each group of heat exchange water tanks at the front in sequence, a gaseous water releaser is arranged on the heat exchange water tanks, the gaseous water releaser comprises a pressure-relieving tank, and a pressure-relieving plate is slidably arranged in the pressure-relieving tank. When the water in the heat exchange water tank is heated more and evaporated, the gas water pushes the slow pressure plate upwards, and the gas water converged above can enter the gas water release cavity through the gas water channel for release, so that the sudden increase of the pressure in the heat exchange water tank can be avoided, the protection effect on equipment is improved, and the service life of the equipment is prolonged.
Description
Technical Field
The invention relates to the technical field of RTO waste gas treatment, in particular to a waste heat recovery device for RTO waste gas treatment.
Background
RTO is a high-efficiency organic waste gas treatment device, and organic waste gas is required to be heated to 760 ℃ or more (the components are specifically required to be seen), so that VOC in the waste gas is oxidized and decomposed into carbon dioxide and water. The high-temperature gas generated by oxidation flows through a special ceramic heat accumulator to heat the ceramic body for heat accumulation, and the heat accumulation is used for preheating organic waste gas which enters subsequently. Thereby saving fuel consumption for exhaust gas warming.
Because the temperature in the combustion furnace is higher, although some heat of the waste gas is recovered by the heat accumulating ceramic, the gas finally discharged from the furnace body still has higher temperature, and the discharged waste gas is required to be further subjected to heat recovery, and in the scene of hot water or heating and other requirements in part of industrial production, the heat in the waste gas is required to be recovered by using water to obtain hot water, specifically, the high-temperature waste gas is passed through a heat exchanger, the heat energy in the high-temperature waste gas is transferred to the water, so that the water is heated, and the heated water can be used for various purposes, so that the full utilization of the heat is realized.
Since heat conduction is usually stopped when the temperatures of the two mediums are the same, in order to improve heat recovery efficiency, multiple groups of heat recovery devices can be arranged, the waste gas discharge pipelines are connected in series with each group of heat recovery devices, the water flow channels of each group of heat recovery devices are also connected in series, the sequence of the water passing through each group of heat recovery devices is opposite to that of the waste gas passing through each group of heat recovery devices, that is, the heat of the waste gas is gradually reduced in the process of flowing from the first group of heat recovery devices to the last group of heat recovery devices, the heat of the waste gas is gradually increased in the process of flowing from the last group of heat exchange devices to the first group of heat exchange devices, the waste gas with lower temperature is used for heat exchange with water with lower temperature, gradual preheating of the water is realized, and the waste gas with highest temperature is used for further preheating of the water with relatively higher temperature.
Through the arrangement, the first group of heat exchange devices can obtain final high-temperature hot water, but when the concentration of the waste gas of the RTO treatment equipment is increased, the combustion temperature in the combustion furnace is required to be increased to treat the waste gas, so that the temperature of the waste gas finally discharged is gradually increased, the temperature of the waste gas is increased because the hot water flowing into the first group of heat exchange devices is already increased to a higher temperature, so that the water is evaporated due to the excessively high temperature in the first group of heat exchange devices, gaseous water is easy to generate, and the formation of the gaseous water can lead to the sudden increase of the pressure in the whole water supply system, damage to equipment such as a water circulation pipeline and a system and influence the service life of the equipment.
Disclosure of Invention
The invention provides a waste heat recovery device for RTO waste gas treatment, which aims to solve the problems that: the water is evaporated due to the fact that the temperature in the existing waste heat recovery equipment is too high, the pressure in the whole water supply system is suddenly increased when gaseous water is easily generated, equipment such as a water circulation pipeline and a system can be damaged, and the service life of the equipment is affected.
In order to achieve the above purpose, the present invention provides the following technical solutions: the waste heat recovery device for RTO waste gas treatment comprises an RTO combustion furnace and a heat exchange assembly, wherein an air suction pipe and an air exhaust pipe are arranged on the RTO combustion furnace, the heat exchange assembly comprises a plurality of heat exchange water tanks, heat exchange pipes are arranged in the heat exchange water tanks, high-temperature waste gas discharged by the air exhaust pipe flows from the heat exchange pipes in a first group of heat exchange water tanks to the heat exchange pipes in each group of heat exchange water tanks at the rear side in sequence, and water required for heat exchange flows from a last group of heat exchange water tanks to each group of heat exchange water tanks at the front side in sequence;
the heat exchange water tank is provided with a gaseous water releaser, the gaseous water releaser comprises a pressure relief tank, the pressure relief tank is communicated with the heat exchange water tank, a pressure relief plate is slidably arranged in the pressure relief tank, one side of the pressure relief plate, which is far away from water in the heat exchange water tank, is provided with a gaseous water release cavity, the side wall of the pressure relief tank is provided with a gaseous water channel, the bottom of the gaseous water channel extends to the side wall of the pressure relief plate and is in sliding fit with the pressure relief plate, the top end of the gaseous water channel is communicated with the gaseous water release cavity, and when the bottom wall of the pressure relief plate moves to the position above the bottom port of the gaseous water channel, the heat exchange water tank is communicated with the gaseous water release cavity;
the buffering plate is provided with an elastic component which is used for providing downward elasticity for the buffering plate.
In a preferred embodiment, the heat exchange water tanks are provided with a water inlet pipe and a water outlet pipe, the water inlet pipe of one heat exchange water tank of the two adjacent heat exchange water tanks is connected with the water outlet pipe of the other heat exchange water tank, and the water inlet pipe of the last group of heat exchange water tanks is connected with a cold water supply system.
In a preferred embodiment, each group of heat exchange tubes is provided with an input tube and an output tube, the input tube of one group of heat exchange tubes between two adjacent groups of heat exchange tubes is communicated with the output tube of the other group of heat exchange tubes, the input tube of the first group of heat exchange tubes is connected with an exhaust gas inlet tube, the output tube of the last group of heat exchange tubes is connected with an exhaust gas outlet tube, and the exhaust gas inlet tube is communicated with the exhaust tube.
In a preferred embodiment, still be provided with the division board in the surge tank, division board slidable mounting is in the surge tank, and gaseous water release chamber is the region between division board and the surge board, and elastic component is first spring and second spring, and first spring setting is between surge board and division board, and the both ends of first spring respectively with division board and surge board fixed connection, the second spring setting is provided with the air vent between division board and surge tank, the top of surge tank, this air vent and the space intercommunication above the division board.
In a preferred embodiment, the gaseous water releaser is further provided with a low-temperature exhaust gas preheater, the low-temperature exhaust gas preheater comprises a low-temperature exhaust gas passing pipe, the low-temperature exhaust gas passing pipe is arranged to cross the pressure relief tank, the low-temperature exhaust gas passing pipe is arranged to cross the gaseous water releasing cavity, a water collecting tank is arranged at the top of the pressure relief plate and corresponds to the position of the low-temperature exhaust gas passing pipe, the low-temperature exhaust gas passing pipes are arranged in a plurality of groups, and the low-temperature exhaust gas passing pipes are used for conveying the low-temperature exhaust gas.
In a preferred embodiment, a flexible joint is arranged between the two ends of the low-temperature exhaust gas passing pipe and the pressure relief box, an eccentric mass center fan structure is rotatably arranged in the low-temperature exhaust gas passing pipe, and an eccentric mass block is fixedly connected to the eccentric mass center fan structure at a position far away from the center of the eccentric mass center fan structure.
In a preferred embodiment, the heat exchange tubes are zigzag distributed reciprocating bent tubes, and a plurality of groups of transverse tubes are formed in the heat exchange water tank, and the groups of transverse tubes are arranged in parallel.
In a preferred embodiment, the water inlet pipe in the heat exchange water tank provided with the gaseous water releaser is arranged at the bottom, the water outlet pipe is arranged at the top, a plurality of groups of vertical partition boards are arranged in the heat exchange water tank and are vertically distributed in the heat exchange water tank, a vertical channel is formed between two adjacent vertical partition boards, a flow equalizing channel is arranged at the bottom of the heat exchange water tank and corresponds to the position of the water inlet pipe, the flow equalizing channel is a transverse channel, and openings are formed in the position of the transverse channel corresponding to each vertical channel.
In a preferred embodiment, the outer rotation of the transverse tube is provided with a turbulence generator, the turbulence generator comprises an outer rotating ring, the outer rotating ring is rotatably arranged outside the transverse tube, and a plurality of groups of outer convex plates are fixedly connected to the outer side of the outer rotating ring.
In a preferred embodiment, the turbulent flow rotator further comprises an inner rotating ring, the inner rotating ring is rotatably arranged outside the transverse tube, the inner rotating ring is fixedly connected with the outer rotating ring through a fan blade plate, and when the inner rotating ring rotates, the fan blade plate drives water to flow axially on the surface of the transverse tube.
The invention has the beneficial effects that: according to the invention, the waste gas with lower temperature and the water with lower temperature are used for heat exchange, so that gradual preheating of the water is realized, the waste gas with highest temperature is used for further preheating of the water with relatively higher temperature, the heat exchange efficiency is greatly improved, when the water in the heat exchange water tank is heated more and evaporated, the gas water upwards pushes the buffering plate upwards, and the gas water converged above can enter the gas water release cavity through the gas water channel for release, so that the pressure surge in the heat exchange water tank can be avoided, the protection effect on equipment is improved, and the service life of the equipment is prolonged.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a schematic view of the flow direction of each group of heat exchange water tanks according to the present invention.
Fig. 3 is a schematic view showing the internal structure of the first group of heat exchange water tanks according to the present invention.
FIG. 4 is a schematic view of the flow direction of water in the first group of heat exchange water tanks of the present invention under the direction of the vertical partition.
Fig. 5 is an enlarged view of the structure of the portion a of fig. 3 according to the present invention.
Fig. 6 is an enlarged view of the B part structure of fig. 4 according to the present invention.
FIG. 7 is a schematic view showing the internal structure of the first group of heat exchange water tanks after the turbulence generator is added.
FIG. 8 is a schematic view of the present invention when water flows through the turbulence generator to rotate the turbulence generator.
FIG. 9 is a schematic view of the distribution of the turbulent flow rotator on the transverse tube of the heat exchange tube according to the present invention.
FIG. 10 is a schematic view of the entire structure of the spoiler of the present invention.
FIG. 11 is a schematic view showing the internal structure of the low temperature exhaust gas circulation pipe of the present invention.
Fig. 12 is a schematic diagram of the overall structure of the offset center of mass fan structure of the present invention.
The reference numerals are: 1. an RTO combustion furnace; 11. an air suction pipe; 12. an exhaust pipe; 2. a heat exchange assembly; 21. a heat exchange water tank; 211. a water inlet pipe; 212. a water outlet pipe; 22. a heat exchange tube; 221. an input tube; 222. an output pipe; 223. a transverse tube; 23. an exhaust gas inlet pipe; 24. an exhaust gas discharge pipe; 25. a vertical partition; 26. a flow equalizing channel; 3. a gaseous water releaser; 31. a pressure relief box; 311. a gaseous water channel; 32. a pressure relief plate; 321. a water collection tank; 33. a gaseous water release chamber; 34. a partition plate; 35. a first spring; 36. a second spring; 4. a low temperature exhaust gas preheater; 41. low temperature exhaust gas passing through the pipe; 42. a flexible joint; 43. an offset center of mass fan structure; 44. a deflection mass; 5. a turbulent flow rotator; 51. an outer swivel; 52. an inner swivel; 53. an outer convex plate; 54. fan blade.
Detailed Description
The following detailed description of the present application is provided in conjunction with the accompanying drawings, and it is to be understood that the following detailed description is merely illustrative of the application and is not to be construed as limiting the scope of the application, since numerous insubstantial modifications and adaptations of the application will be to those skilled in the art in light of the foregoing disclosure.
Referring to fig. 1 to 4 of the specification, a waste heat recovery device for RTO waste gas treatment comprises an RTO combustion furnace 1 and a heat exchange assembly 2, wherein the RTO combustion furnace 1 is provided with an air suction pipe 11 and an air discharge pipe 12, untreated low-temperature waste gas enters the RTO combustion furnace 1 from the air suction pipe 11 for incineration treatment, waste gas with higher temperature discharged after incineration is conveyed from the air discharge pipe 12 to the heat exchange assembly 2, the heat exchange assembly 2 comprises a plurality of heat exchange water tanks 21, the heat exchange water tanks 21 are provided with heat exchange pipes 22, wherein the heat exchange water tanks 21 directly connected with the air discharge pipe 12 are a first group of heat exchange water tanks 21, the heat exchange water tanks 21 of the subsequent groups are called a second group of heat exchange water tanks 21, a third group of heat exchange water tanks 21 …, an nth group of heat exchange water tanks 21 … and a last group of heat exchange water tanks 21, the heat exchange water tanks 21 are provided with a water inlet pipe 211 and a water outlet pipe 212, referring to fig. 2 of the specification, a water inlet pipe 211 of one heat exchange water tank 21 of two adjacent heat exchange water tanks 21 is connected with a water outlet pipe 212 of the other heat exchange water tank 21, a water inlet pipe 211 of the last group of heat exchange water tanks 21 is connected with a cold water supply system, the cold water supply system supplies power to the last group of heat exchange water tanks 21 by a pump, hot water is output by a water outlet pipe 212 of the first group of heat exchange water tanks 21 after heat exchange of each group of heat exchange water tanks 21, each group of heat exchange pipes 22 is provided with an input pipe 221 and an output pipe 222, the input pipe 221 of one group of heat exchange pipes 22 between two adjacent groups of heat exchange pipes 22 is communicated with the output pipe 222 of the other group of heat exchange pipes 22, the input pipe 221 of the first group of heat exchange pipes 22 is connected with an exhaust gas inlet pipe 23, the output pipe 222 of the last group of heat exchange pipes 22 is connected with an exhaust gas outlet pipe 24, the exhaust gas inlet pipe 23 is communicated with the exhaust pipe 12, the high-temperature exhaust gas discharged from the exhaust pipe 12 is input into the heat exchange assembly 2 through the exhaust gas inlet pipe 23, and then sequentially passes through the heat exchange pipes 22 in the heat exchange water tanks 21 for heat exchange, and finally is discharged from the exhaust gas outlet pipe 24.
Through the arrangement, the sequence of water passing through the heat exchange water tanks 21 is opposite to the sequence of waste gas passing through the heat exchange pipes 22, heat is gradually reduced in the process of flowing waste gas from the first heat exchange pipe 22 to the last heat exchange pipe 22, and the temperature of water is gradually increased in the process of flowing from the last heat exchange water tank 21 to the first heat exchange water tank 21, so that the waste gas with lower temperature is utilized to exchange heat with water with lower temperature, the gradual preheating of water is realized, the waste gas with highest temperature is utilized to further preheat water with relatively higher temperature, and the heat exchange efficiency is greatly improved.
The first group of heat exchange water tank 21 is provided with gaseous water releaser 3, refer to description figure 3 and figure 4, gaseous water releaser 3 includes the pressure relief case 31, pressure relief case 31 and heat exchange water tank 21 intercommunication, slidable mounting has pressure relief plate 32 in the pressure relief case 31, pressure relief plate 32 keeps away from one side of heat exchange water tank 21 water and sets up to gaseous water release chamber 33, set up gaseous water passageway 311 on the lateral wall of pressure relief case 31, refer to description figure 5, the bottom of gaseous water passageway 311 extends to pressure relief plate 32's lateral wall department to with pressure relief plate 32 sliding fit, the top and the gaseous water release chamber 33 intercommunication of gaseous water passageway 311, be provided with the limit structure that moves spacing to pressure relief plate 32 upward in the pressure relief case 31, be provided with elastic component on the pressure relief plate 32, this elastic component is used for providing decurrent elasticity to pressure relief plate 32, makes pressure relief plate 32 can have the ability that is close to the water face in heat exchange water tank 21.
It should be noted that, when the water in the first group of heat exchange water tanks 21 is heated more and evaporates, the gaseous water is emitted upwards, and along with the accumulation of the gaseous water, the pressure in the heat exchange water tanks 21 increases, so that the pressure-reducing plate 32 can be pushed upwards, referring to fig. 6 of the specification, when the bottom wall of the pressure-reducing plate 32 moves to above the bottom port of the gaseous water channel 311, the heat exchange water tanks 21 are conducted with the gaseous water release cavity 33, and the gaseous water accumulated above can enter into the gaseous water release cavity 33 through the gaseous water channel 311 to be released, thereby avoiding the sudden increase of the pressure in the heat exchange water tanks 21, improving the protection effect on equipment and prolonging the service life of the equipment.
Further, referring to fig. 3 and 4 of the specification, the pressure relief tank 31 is further provided with a partition plate 34, the partition plate 34 is slidably mounted in the pressure relief tank 31, the gaseous water release chamber 33 is a region between the partition plate 34 and the pressure relief plate 32, the elastic component is a first spring 35 and a second spring 36, the first spring 35 is disposed between the pressure relief plate 32 and the partition plate 34, two ends of the first spring 35 are fixedly connected with the partition plate 34 and the pressure relief plate 32 respectively, the second spring 36 is disposed between the partition plate 34 and the pressure relief tank 31, and a vent hole is disposed at the top of the pressure relief tank 31 and is communicated with a space above the partition plate 34.
It should be noted that, after the gaseous water is formed in the heat exchange water tank 21, the gaseous water forms bubbles to move upwards, when the pressure of the bubble water exceeds the elasticity of the second spring 36 and the first spring 35, the buffer plate 32 can be pushed open, the gaseous water enters the gaseous water release cavity 33 from the gaseous water channel 311, if the gaseous water continuously increases to enter the gaseous water release cavity 33, the partition plate 34 can also be continuously pushed up, so that the gaseous water release cavity 33 is expanded, the pressure release effect on the gaseous water is improved, thereby the partition plate 34 can be utilized to realize the partition of the gaseous water from the outside air, the gaseous water is prevented from overflowing, and the partition plate 34 and the buffer plate 32 are both preferably made of heat insulation materials, so that the heat dissipation and the waste are reduced.
In the above embodiment, in order to reduce the pressure, a low-temperature medium may be disposed in the pressure relief tank 31 to enable the gaseous water to realize heat exchange and condensation, and specifically, referring to fig. 2, 3 and 7 of the specification, the gaseous water releaser 3 is further provided with a low-temperature exhaust gas preheater 4, the low-temperature exhaust gas preheater 4 includes a low-temperature exhaust gas passing pipe 41, the low-temperature exhaust gas passes through the pressure relief tank 31 via the pipe 41, and the low-temperature exhaust gas passes through the gas relief tank 33 via the pipe 41, a water collecting tank 321 is disposed at a position corresponding to the low-temperature exhaust gas passing pipe 41 at the top of the pressure relief plate 32, the low-temperature exhaust gas passing pipes 41 are disposed in multiple groups, and the multiple groups of the low-temperature exhaust gas passing pipes 41 are disposed with a common inlet end and outlet end, and are connected with the low-temperature exhaust gas that is not treated by the RTO burner 1 via the inlet end and the outlet end.
It should be noted that, untreated low-temperature exhaust gas passes through the low-temperature exhaust gas passing pipe 41, and overflowed high-temperature gaseous water contacts the low-temperature pressure-reducing tank 31 after entering the gaseous water releasing cavity 33, so that condensation can occur, liquid water is formed and drops into the water collecting tank 321, after gaseous water is condensed, the volume is greatly reduced, the pressure is also greatly reduced, simultaneously, the heat released by the gaseous water is absorbed by the low-temperature exhaust gas, the preheating of the low-temperature exhaust gas is realized, thereby further utilizing the heat, wherein when the gaseous water is stopped being generated in the heat exchange water tank 21, the pressure in the heat exchange water tank 21 is gradually recovered, the pressure-reducing plate 32 gradually drops to seal the gaseous water channel 311, so that the gaseous water can be prevented from flowing back, the water in the heat exchange water tank 21 can be prevented from diffusing into the gaseous water releasing cavity 33, the water collecting tank 321 can be provided with a controllable discharge pipe, and when the water in the water collecting tank 321 is full, unified discharge is performed.
When the gaseous water that heat exchange water tank 21 produced is more, the comdenstion water that low temperature waste gas passes through pipe 41 surface formed increases, if the comdenstion water in time breaks away from low temperature waste gas and passes through pipe 41, adheres to on low temperature waste gas passes through pipe 41, can influence follow-up heat exchange efficiency, therefore, this embodiment still provides following technical scheme, and specifically, with reference to description figure 12 and figure 12, low temperature waste gas passes through and is provided with flexible joint 42 between the both ends of pipe 41 and the surge tank 31, low temperature waste gas passes through the inside rotation of pipe 41 and installs the eccentric mass center fan structure 43, the position fixedly connected with offset mass piece 44 of eccentric mass center fan structure 43 department of keeping away from on the eccentric mass center fan structure 43.
It should be noted that, by setting the offset mass block 44, the center of mass of the offset mass fan structure 43 can deviate from the center of the flexible joint 42, when the low-temperature waste gas is conveyed in the low-temperature waste gas passing pipe 41, the offset mass fan structure 43 can be driven to rotate, and as the offset mass center of the offset mass fan structure 43 deviates, shaking can be generated when the offset mass fan structure rotates, and then the low-temperature waste gas passing pipe 41 is driven to vibrate, so that condensed water on the surface of the low-temperature waste gas passing pipe 41 can be effectively promoted to be separated, the contact area between the gaseous water and the low-temperature waste gas passing pipe 41 is increased, and the treatment effect on the gaseous water is improved.
Further, the heat exchange tube 22 is a zigzag distributed reciprocating bent type pipeline, the heat exchange tube 22 is formed with a plurality of groups of transverse tubes 223 in the heat exchange water tank 21, so that heat exchange formation can be improved, heat exchange efficiency is increased, and meanwhile, in order to reduce the outflow of gaseous water generated in the heat exchange water tank 21 from the water outlet tube 212 along with water flow, the embodiment further provides a technical scheme, specifically, referring to fig. 3 and fig. 4, a first group of water inlet tubes 211 in the heat exchange water tank 21 are arranged at the bottom, the water outlet tube 212 is arranged at the top, a plurality of groups of vertical partition plates 25 are arranged in the heat exchange water tank 21, the vertical partition plates 25 are vertically distributed in the heat exchange water tank 21, vertical channels are formed between two adjacent vertical partition plates 25, the bottom of the heat exchange water tank 21 is provided with flow equalizing channels 26 corresponding to the positions of the water inlet tubes 211, and the transverse channels are provided with openings corresponding to the positions of each vertical channel, so that water flow entering from the water inlet tubes 211 can be uniformly distributed into each vertical channel, and finally, upward water flow 212 is formed, and the upward water flow tends to be easily discharged at the water outlet tube, so that the upward water flow tends to be easily separated from the water outlet tube, and the upward air bubbles tend to be easily removed from the upward water flow at the water outlet tube surface.
Further, in the above embodiment, the water flow direction in the heat exchange water tank 21 is mainly perpendicular to the upward movement of the transverse pipe 223, which is easy to cause insufficient contact between water and the transverse pipe 223, so the present embodiment further provides a technical solution, specifically, referring to fig. 7 to 10 of the specification, a spoiler rotator 5 is rotatably disposed on the outside of the transverse pipe 223, the spoiler rotator 5 includes an outer rotating ring 51, the outer rotating ring 51 is rotatably disposed on the outside of the transverse pipe 223, and a plurality of groups of outer convex plates 53 are fixedly connected on the outside of the outer rotating ring 51; it should be noted that, when the water flow flowing upward guided by the flow equalizing channel 26 and the vertical partition plate 25 passes through the middle of two adjacent transverse tubes 223, the outer convex plate 53 may be pushed to rotate the outer rotating ring 51, so as to drive the water flow outside the transverse tubes 223 to generate a rotary flow, thereby improving the contact efficiency of the water and the transverse tubes 223 and improving the heat exchange efficiency.
Further, in order to improve the heat exchange effect of the high-temperature exhaust gas and the water, the degree of density of the transverse pipe 223 in the heat exchange water tank 21 can be improved, but when the transverse pipe 223 is relatively dense in the heat exchange water tank 21, gaseous water bubbles formed on the surface of the transverse pipe 223 are not easy to fall off, therefore, the embodiment further provides the following technical scheme, the turbulent flow rotator 5 further comprises an inner rotating ring 52, the inner rotating ring 52 is rotatably mounted outside the transverse pipe 223, the inner rotating ring 52 is fixedly connected with the outer rotating ring 51 through a fan blade plate 54, when the outer rotating ring 51 drives the inner rotating ring 52 to rotate, the outer protruding plate 53 drives the water to generate circumferential flow outside the transverse pipe 223, the fan blade plate 54 drives the water to generate axial flow on the surface of the transverse pipe 223, the flow speed of the water flow and the flow speed of the surface of the transverse pipe 223 is increased, the efficiency of taking away the evaporated gaseous water bubbles is improved, and the gaseous water treatment of the gaseous water releaser 3 is accelerated.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. 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 invention, which are all within the scope of the invention.
Claims (10)
1. Waste heat recovery device for RTO exhaust-gas treatment, its characterized in that: the heat exchange device comprises an RTO combustion furnace (1) and a heat exchange assembly (2), wherein an air suction pipe (11) and an air exhaust pipe (12) are arranged on the RTO combustion furnace (1), the heat exchange assembly (2) comprises a plurality of heat exchange water tanks (21), heat exchange pipes (22) are arranged in the heat exchange water tanks (21), high-temperature waste gas discharged by the air exhaust pipe (12) flows from the heat exchange pipes (22) in a first group of heat exchange water tanks (21) to the heat exchange pipes (22) in each group of heat exchange water tanks (21) at the rear in sequence, and water required for heat exchange flows from a last group of heat exchange water tanks (21) to each group of heat exchange water tanks (21) at the front in sequence;
the heat exchange water tank (21) is provided with a gaseous water releaser (3), the gaseous water releaser (3) comprises a pressure relief tank (31), the pressure relief tank (31) is communicated with the heat exchange water tank (21), a pressure relief plate (32) is slidably arranged in the pressure relief tank (31), one side, far away from the water in the heat exchange water tank (21), of the pressure relief plate (32) is provided with a gaseous water release cavity (33), the side wall of the pressure relief tank (31) is provided with a gaseous water channel (311), the bottom of the gaseous water channel (311) extends to the side wall of the pressure relief plate (32) and is in sliding fit with the pressure relief plate (32), the top end of the gaseous water channel (311) is communicated with the gaseous water release cavity (33), and when the bottom wall of the pressure relief plate (32) moves to the position above the bottom port of the gaseous water channel (311), the heat exchange water tank (21) is communicated with the gaseous water release cavity (33).
An elastic component is arranged on the buffering plate (32) and is used for providing downward elasticity for the buffering plate (32).
2. The waste heat recovery device for RTO exhaust treatment according to claim 1, wherein: the heat exchange water tanks (21) are respectively provided with a water inlet pipe (211) and a water outlet pipe (212), the water inlet pipe (211) of one heat exchange water tank (21) in the two adjacent heat exchange water tanks (21) is connected with the water outlet pipe (212) of the other heat exchange water tank (21), and the water inlet pipe (211) of the last group of heat exchange water tanks (21) is connected with a cold water supply system.
3. The waste heat recovery device for RTO exhaust treatment according to claim 2, wherein: each group of heat exchange tubes (22) is provided with an input tube (221) and an output tube (222), the input tube (221) of one group of heat exchange tubes (22) between two adjacent groups of heat exchange tubes (22) is communicated with the output tube (222) of the other group of heat exchange tubes (22), the input tube (221) of the first group of heat exchange tubes (22) is connected with an exhaust gas inlet tube (23), the output tube (222) of the last group of heat exchange tubes (22) is connected with an exhaust gas outlet tube (24), and the exhaust gas inlet tube (23) is communicated with an exhaust tube (12).
4. A waste heat recovery device for RTO exhaust treatment according to claim 3, characterized in that: still be provided with division board (34) in pressure relief case (31), division board (34) slidable mounting is in pressure relief case (31), gaseous water release chamber (33) are the region between division board (34) and pressure relief board (32), elastic component is first spring (35) and second spring (36), first spring (35) set up between pressure relief board (32) and division board (34), just the both ends of first spring (35) respectively with division board (34) and pressure relief board (32) fixed connection, second spring (36) set up between division board (34) and pressure relief case (31), the top of pressure relief case (31) is provided with the air vent, and the space intercommunication of this air vent and division board (34) top.
5. The waste heat recovery device for RTO exhaust treatment according to claim 4, wherein: still be provided with low temperature waste gas pre-heater (4) on gaseous water releaser (3), low temperature waste gas pre-heater (4) are including low temperature waste gas through pipe (41), low temperature waste gas passes through pipe (41) and crosses pressure relief tank (31) setting, just low temperature waste gas passes through pipe (41) and crosses gaseous water release chamber (33), pressure relief board (32) top corresponds the position that low temperature waste gas passed through pipe (41) and is provided with water catch bowl (321), low temperature waste gas passes through pipe (41) and sets up into the multiunit, low temperature waste gas passes through pipe (41) and is used for carrying low temperature waste gas.
6. The waste heat recovery device for RTO exhaust treatment according to claim 5, wherein: the low-temperature waste gas is provided with flexible joints (42) between two ends of the low-temperature waste gas passing pipe (41) and the pressure relief box (31), an eccentric mass center fan structure (43) is installed in the low-temperature waste gas passing pipe (41) in a rotating mode, and an offset mass block (44) is fixedly connected to the position, away from the center of the eccentric mass center fan structure (43), of the eccentric mass center fan structure (43).
7. The waste heat recovery device for RTO exhaust treatment according to claim 6, wherein: the heat exchange tube (22) is a Z-shaped distributed reciprocating bent type pipeline, a plurality of groups of transverse tubes (223) are formed in the heat exchange water tank (21) by the heat exchange tube (22), and the groups of transverse tubes (223) are mutually arranged in parallel.
8. The waste heat recovery device for RTO exhaust treatment according to claim 7, wherein: install inlet tube (211) in heat exchange water tank (21) of gaseous water releaser (3) set up in the bottom, outlet pipe (212) set up at the top, the inside of heat exchange water tank (21) is provided with multiunit vertical baffle (25), just vertical baffle (25) are vertical in heat exchange water tank (21) to be distributed, adjacent two be formed with vertical passageway between vertical baffle (25), the bottom of heat exchange water tank (21) corresponds the position of inlet tube (211) and is provided with flow equalizing channel (26), flow equalizing channel (26) are horizontal passageway, and the position department that this horizontal passageway corresponds every vertical passageway all is provided with the opening.
9. The waste heat recovery device for RTO exhaust treatment according to claim 8, wherein: the outside rotation of transverse tube (223) is provided with vortex rotor (5), vortex rotor (5) are including outer swivel (51), outer swivel (51) rotate and set up in transverse tube (223) outside, the outside fixedly connected with multiunit outer flange (53) of outer swivel (51).
10. The waste heat recovery device for RTO exhaust treatment according to claim 9, wherein: the turbulent flow rotator (5) further comprises an inner rotating ring (52), the inner rotating ring (52) is rotatably arranged outside the transverse pipe (223), the inner rotating ring (52) is fixedly connected with the outer rotating ring (51) through fan blades (54), and when the inner rotating ring (52) rotates, the fan blades (54) drive water to axially flow on the surface of the transverse pipe (223).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311736706.XA CN117433025B (en) | 2023-12-18 | 2023-12-18 | Waste heat recovery device for RTO waste gas treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311736706.XA CN117433025B (en) | 2023-12-18 | 2023-12-18 | Waste heat recovery device for RTO waste gas treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117433025A CN117433025A (en) | 2024-01-23 |
| CN117433025B true CN117433025B (en) | 2024-02-23 |
Family
ID=89546434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311736706.XA Active CN117433025B (en) | 2023-12-18 | 2023-12-18 | Waste heat recovery device for RTO waste gas treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117433025B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154377A (en) * | 2013-05-13 | 2014-11-19 | 中外炉工业株式会社 | Pressure buffering device and regenerative combustion type waste gas treating device comprising pressure buffering device |
| CN209279172U (en) * | 2018-10-08 | 2019-08-20 | 上海安居乐环保科技股份有限公司 | A kind of safety-type thermal accumulating incinerator GRTO |
| CN113719847A (en) * | 2021-09-16 | 2021-11-30 | 合肥市义禾自动化控制设备有限公司 | Intelligent RTO organic waste gas heat accumulating type oxidation furnace system |
| CN113877372A (en) * | 2021-11-18 | 2022-01-04 | 江苏齐清环境科技有限公司 | Multistage absorption negative pressure oxidation treatment device of high concentration dimethyl ether flash distillation waste gas |
| CN114653149A (en) * | 2022-03-09 | 2022-06-24 | 山东天意设备科技有限公司 | Waste gas purification device and use method thereof |
| CN116464972A (en) * | 2023-04-21 | 2023-07-21 | 江苏大信环境科技有限公司 | High-tightness heat accumulating incinerator |
-
2023
- 2023-12-18 CN CN202311736706.XA patent/CN117433025B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154377A (en) * | 2013-05-13 | 2014-11-19 | 中外炉工业株式会社 | Pressure buffering device and regenerative combustion type waste gas treating device comprising pressure buffering device |
| CN209279172U (en) * | 2018-10-08 | 2019-08-20 | 上海安居乐环保科技股份有限公司 | A kind of safety-type thermal accumulating incinerator GRTO |
| CN113719847A (en) * | 2021-09-16 | 2021-11-30 | 合肥市义禾自动化控制设备有限公司 | Intelligent RTO organic waste gas heat accumulating type oxidation furnace system |
| CN113877372A (en) * | 2021-11-18 | 2022-01-04 | 江苏齐清环境科技有限公司 | Multistage absorption negative pressure oxidation treatment device of high concentration dimethyl ether flash distillation waste gas |
| CN114653149A (en) * | 2022-03-09 | 2022-06-24 | 山东天意设备科技有限公司 | Waste gas purification device and use method thereof |
| CN116464972A (en) * | 2023-04-21 | 2023-07-21 | 江苏大信环境科技有限公司 | High-tightness heat accumulating incinerator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117433025A (en) | 2024-01-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201412195Y (en) | Device for directly utilizing condensation heat of steam exhausted from steam turbine of power plant | |
| CN1413367A (en) | Thermoelectric cogeneration device | |
| CN210130051U (en) | High-efficient heat abstractor is used to mechatronic equipment | |
| CN117433025B (en) | Waste heat recovery device for RTO waste gas treatment | |
| CN102232172A (en) | Vertical and horizontal integrated heat exchange units equipped with a waste heat recovery system | |
| CN101832623B (en) | Pre-heat system of thermal power plant | |
| WO2023236308A1 (en) | Evaporative humidifier capable of increasing humidification capacity | |
| RU2082062C1 (en) | Method of recovery of heat in burning fossil fuel in enclosed boiler rooms and device for realization of this method | |
| CN212928265U (en) | High-temperature-resistant fan for furnace | |
| CN210689081U (en) | Take exhaust-gas treatment's corruption paper tinsel drying device | |
| CN211119402U (en) | RTO waste gas mixing arrangement | |
| CN217131221U (en) | Electromagnetic boiler | |
| CN220470036U (en) | Device for connecting shaft seal heater vacuum system and condenser vacuum system | |
| CN213270348U (en) | Novel axial-flow type fire-fighting smoke exhaust fan | |
| CN216114086U (en) | High-efficient mixing arrangement of RTO waste gas | |
| CN218542336U (en) | Coal fired power plant starting process flue gas auxiliary heating system | |
| CN219955348U (en) | Double-tower alternating heat storage type device for RTO waste gas incineration | |
| CN213684567U (en) | High-temperature gas pumping and exhausting device | |
| CN217900199U (en) | Boiler water waste heat recovery device | |
| CN210345492U (en) | RTO waste gas preheating device | |
| CN217585074U (en) | Heating system of prepreg raw material drying room | |
| CN212909331U (en) | Energy-saving wind power converter water cooling system | |
| CN212379797U (en) | Mute case for waste gas waste heat power generation | |
| CN212215356U (en) | RTO waste gas self-suction mixing device | |
| CN217002069U (en) | Air inlet temperature and humidity control system for improving efficiency of gas turbine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |