CN221310124U - Molten salt furnace for treating waste gas - Google Patents
Molten salt furnace for treating waste gas Download PDFInfo
- Publication number
- CN221310124U CN221310124U CN202322954993.3U CN202322954993U CN221310124U CN 221310124 U CN221310124 U CN 221310124U CN 202322954993 U CN202322954993 U CN 202322954993U CN 221310124 U CN221310124 U CN 221310124U
- Authority
- CN
- China
- Prior art keywords
- molten salt
- waste gas
- collecting box
- salt furnace
- main body
- 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 74
- 150000003839 salts Chemical class 0.000 title claims abstract description 63
- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- 239000002699 waste material Substances 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 239000002893 slag Substances 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 claims description 43
- 238000010438 heat treatment Methods 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000001590 oxidative effect Effects 0.000 abstract description 5
- 238000007254 oxidation reaction Methods 0.000 description 12
- 239000010815 organic waste Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- -1 nitrate ions Chemical class 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009273 molten salt oxidation Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a molten salt furnace for treating waste gas, which comprises a main body, wherein a reaction cavity is arranged in the main body, a waste gas inlet pipe and a waste gas outlet pipe which penetrate into the reaction cavity are arranged above the main body, the waste gas inlet pipe is connected with a distributor, a flow guide channel is arranged in the reaction cavity, a slag discharging outlet is arranged at the bottom of the main body, an electric valve is arranged on the slag discharging outlet, a waste residue collecting box is arranged at the bottom of the main body, and the slag discharging outlet is connected with the waste residue collecting box. The utility model provides a molten salt furnace for treating waste gas, which can increase the contact time of the waste gas and molten salt, so that the waste gas is fully contacted with the molten salt, and the effect of oxidizing the waste gas is improved.
Description
Technical Field
The utility model belongs to the field of molten salt furnaces, and particularly relates to a molten salt furnace for treating waste gas.
Background
In the production and use process of halogenated organic matters, a large amount of halogenated organic waste gas is generated, and the halogenated organic waste gas is almost toxic and has great harm. Meanwhile, many halogenated organic waste gases are insoluble in water, have high volatility, semi-volatility and fat solubility, are difficult to biodegrade in nature, are easily distributed into organisms and sediments to generate accumulation, and are seriously harmful to human health and ecological environment. Molten salt furnaces are commonly used for treating halogenated organic waste gas, and the waste gas is treated through the oxidation reaction of molten salt and waste gas, so that the waste gas meets the environmental protection standard.
In the prior art, as disclosed in Chinese patent publication CN 106237800A, a volatile organic compound waste gas molten salt oxidation system, wherein a multi-element mixed system of carbonate and nitrate can reach a molten state below 600 ℃, and carbonate ions and nitrate ions in the molten salt can strengthen the conversion of oxygen in waste gas into peroxy ions and superoxide ions with strong oxidizing property, so that the volatile organic compound is fully oxidized and decomposed below 600 ℃. However, in the system, waste gas is easy to stay on the surface layer of molten salt, the oxidation contact reaction time is short, the oxidation treatment efficiency is low, and the treated waste gas is not easy to reach the standard.
Disclosure of utility model
The utility model aims to provide a molten salt furnace for treating waste gas, which solves the problems of short contact time and low treatment efficiency of waste gas and molten salt in the prior art.
To this end, the present utility model provides a molten salt furnace for treating exhaust gas, comprising: the reaction chamber is arranged in the main body, the waste gas inlet pipe and the waste gas outlet pipe penetrating through the reaction chamber are arranged above the main body, the waste gas inlet pipe is connected with a distributor, a guide channel is arranged in the reaction chamber, a slag discharging outlet is arranged at the bottom of the main body, an electric valve is arranged on the slag discharging outlet, a waste residue collecting box is arranged at the bottom of the main body, and the slag discharging outlet is connected with the waste residue collecting box.
Preferably, the exhaust gas inlet pipe is at the center of the main body, the distributor is at the bottom of the exhaust gas inlet pipe, and the distributor is at the bottom of the reaction chamber. The distributor sets up in the bottom of reaction chamber, and waste gas upwards removes from the bottom, and the contact time with the fused salt is longer, can promote the efficiency of reaction.
Preferably, the distributor comprises a plurality of concentric annular pipes and a plurality of straight pipes uniformly distributed along the circumference of the center of the annular pipes, wherein the straight pipes are connected with all the annular pipes, and one ends of the straight pipes are converged at the center of the annular pipes.
Preferably, the annular tube is provided with densely distributed air outlet holes. The distributor evenly distributes waste gas at the bottom of reaction chamber to form the bubble through the venthole that gathers on the annular pipe, the bubble carries out abundant reaction with the fused salt, promotes the efficiency of reaction.
Preferably, the flow guide channel surrounds the waste gas inlet pipe in a spiral mode and is attached to the side wall of the reaction cavity.
Preferably, the guide channel is provided with a spiral heating plate. The spiral flow guiding channel can prolong the contact time of the waste gas and the molten salt, so that the waste gas and the molten salt can perform sufficient oxidation reaction, and the waste gas meets the emission standard.
Preferably, a collecting box is arranged in the waste residue collecting box, and the collecting box is in sliding connection with the waste residue collecting box through a sliding rail.
Preferably, a cold air port is arranged on the side wall of the waste residue collecting box, a fan is arranged in the cold air port, and the cold air port is connected with a refrigerating device. The cold air port is used for discharging cold air to enable the discharged molten salt to be cooled rapidly.
Preferably, the exhaust gas outlet pipe is connected with an exhaust gas discharge pipe, and the exhaust gas discharge pipe is connected with a spray tower. And the reacted waste gas is discharged from a waste gas discharge pipe to a spray tower for deacidification treatment and cooling.
Preferably, the refrigerating device is connected with the exhaust gas discharge pipe through a heat exchange plate. The exhaust gas temperature of exhaust gas discharge pipe is higher, can make the waste gas cool down through the heat exchange plate to retrieve the heat of waste gas, provide refrigerating plant after the heat recovery and be used for cold air vent discharge air conditioning, make the fused salt of discharging cool off fast, the energy saving simultaneously.
The beneficial effects are that:
1. the utility model provides a molten salt furnace for treating waste gas, which can increase the contact time of the waste gas and molten salt, so that the waste gas is fully contacted with the molten salt, and the effect of oxidizing the waste gas is improved.
2. In the prior art, the time of the contact of molten salt and waste gas is short, and the effect of waste gas oxidation is not ideal. According to the utility model, the waste gas is arranged at the bottom of the reaction cavity through the distributor, the waste gas gradually rises from the bottom, and the contact time of the waste gas and the molten salt is increased along with the guide of the spiral flow guide channel, so that the effect of oxidizing the waste gas is improved, and meanwhile, the distributor is provided with densely distributed air outlet holes, the waste gas is discharged from the air holes to form bubbles, so that the contact area of the waste gas and the molten salt is further improved, and the oxidation treatment efficiency of the waste gas is improved.
3. The spiral heating plate is arranged on the spiral flow guiding channel, molten salt is fully heated in the flow guiding channel, and the reaction effect of the molten salt and waste gas is improved.
4. Waste gas enters and disperses to each straight line pipe from the waste gas inlet pipe, enters into each annular pipe from the straight line pipe, forms bubbles from densely distributed air outlet holes to be discharged, fully contacts with molten salt, and is uniformly distributed at the bottom of the reaction cavity by the annular distributor, so that the reaction efficiency is improved.
5. The exhaust gas temperature of exhaust gas discharge pipe is higher, can make the waste gas cool down through the heat exchange plate to retrieve the heat of waste gas, provide refrigerating plant after the heat recovery and be used for cold air vent discharge air conditioning, make the fused salt of discharging cool off fast, the energy saving simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an embodiment of a molten salt furnace for treating exhaust gas according to the present utility model.
Fig. 2 is a cross-sectional view of an embodiment of a molten salt furnace for treating exhaust gas according to the present utility model.
FIG. 3 is a schematic view of a flow guide and distributor of an embodiment of a molten salt furnace for treating exhaust gas according to the present utility model.
FIG. 4 is a schematic diagram of a molten salt furnace for treating exhaust gas according to an embodiment of the present utility model
In the figure: the device comprises a main body, a reaction cavity, a 12-waste gas inlet pipe, a 13-waste gas outlet pipe, a 14-slag discharge outlet, a 15-electric valve, a 2-waste slag collecting box, a 21-collecting box, a 22-slide rail, a 23-cold air inlet, a 3-distributor, a 31-annular pipe, a 32-straight pipe, a 33-air outlet, a 4-guide channel, a 41-heating plate, a 5-refrigerating device, a 51-compressor, a 52-condenser, a 53-evaporator, a 6-waste gas discharge pipe, a 7-spray tower and an 8-heat exchange plate.
Detailed Description
The contents of the present utility model can be more easily understood by referring to the following detailed description of preferred embodiments of the present utility model and examples included. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. In case of conflict, the present specification, definitions, will control.
Example 1:
The utility model provides a molten salt furnace for treating waste gas, which is shown in figures 1-4, and can increase the contact time of the waste gas and molten salt, so that the waste gas is fully contacted with the molten salt, and the effect of oxidizing the waste gas is improved.
A molten salt furnace for treating exhaust gas comprising: the reaction chamber 11 is arranged in the main body 1, the waste gas inlet pipe 12 and the waste gas outlet pipe 13 penetrating through the reaction chamber 11 are arranged above the main body 1, the waste gas inlet pipe 12 is connected with the distributor 3, the guide channel 4 is arranged in the reaction chamber 11, the slag discharging outlet 14 is arranged at the bottom of the main body 1, the electric valve 15 is arranged on the slag discharging outlet 14, the waste residue collecting box 2 is arranged at the bottom of the main body 1, and the slag discharging outlet 14 is connected with the waste residue collecting box 2.
The exhaust gas inlet pipe 12 is at the center of the main body 1, the distributor 3 is at the bottom of the exhaust gas inlet pipe 12, and the distributor 3 is at the bottom of the reaction chamber 11. The distributor 3 comprises three concentric annular pipes 31 and six straight pipes 32 uniformly distributed along the circumference of the center of the annular pipes 31, wherein the straight pipes 32 are connected with all the annular pipes 31, and one ends of the straight pipes 32 are converged at the center of the annular pipes 31. The annular tube 31 is provided with densely distributed air outlet holes 33. The flow guide 4 is spirally wound around the exhaust gas inlet pipe 12 and is attached to the side wall of the reaction chamber 11. The flow guide 4 is provided with a spiral heating plate 41. The waste gas enters from the waste gas inlet pipe 12, enters into the annular pipe 31 from the center of the distributor 3 through the straight pipe 32, is uniformly distributed at the bottom of the reaction cavity 11, is discharged from the densely distributed gas outlet holes 33, and can form bubbles in the molten salt to generate oxidation reaction with the molten salt due to higher viscosity of the molten salt. The bubbles rise along with the rotation of the flow guide channel 4, the heating plate 41 ensures the heating temperature of the molten salt and the bubbles, and the oxidation reaction time and the oxidation reaction effect of the bubbles and the molten salt are improved.
The waste residue collecting box 2 is internally provided with a collecting box 21, and the collecting box 21 is in sliding connection with the waste residue collecting box 2 through a sliding rail 22. A cold air port 23 is arranged on the side wall of the waste residue collecting box 2, a fan is arranged in the cold air port 23, and the cold air port 23 is connected with the refrigerating device 5. The exhaust gas outlet pipe 13 is connected with an exhaust gas discharge pipe 6, and the exhaust gas discharge pipe 6 is connected with a spray tower 7. The waste gas after the reaction is discharged from the waste gas discharge pipe 6 to the spray tower 7 for deacidification treatment and cooling. The refrigerating device 5 is connected with the exhaust gas discharge pipe 6 through a heat exchange plate 8. The refrigeration device 5 in the prior art comprises a compressor 51, a condenser 52 and an evaporator 53, wherein the compressor 51 is used for heating and pressurizing the refrigerant, the refrigerant is conveyed to the evaporator 53 for evaporation and heat absorption refrigeration, the evaporated refrigerant becomes gas, the gas is conveyed to the condenser 52 for condensation and becomes liquid, heat is discharged, and the heat is then conveyed to the compressor 51 for heating and pressurizing. In this embodiment, the heat exchange plate 8 is disposed between the condenser 52 and the evaporator 53, the temperature of the exhaust gas discharged from the exhaust gas discharge pipe 6 is relatively high, and the heat of the exhaust gas and the refrigerant condensed by the condenser 52 can be exchanged by the heat exchange plate 8, so that the heat of the exhaust gas can be recovered, the consumption of the compressor 51 is reduced, the energy is saved, and the heat is recovered and then provided for the refrigerating device 5 to discharge cold gas through the cold air inlet 23, so that the discharged molten salt is rapidly cooled.
Working principle: the waste gas enters from the waste gas inlet pipe 12, enters into the annular pipe 31 from the center of the distributor 3 through the straight pipe 32, is uniformly distributed at the bottom of the reaction cavity 11, is discharged from the densely distributed gas outlet holes 33, and can form bubbles in the molten salt to generate oxidation reaction with the molten salt due to higher viscosity of the molten salt. The bubbles rise along with the rotation of the flow guide channel 4, the heating plate 41 ensures the heating temperature of the molten salt and the bubbles, and the oxidation reaction time and the oxidation reaction effect of the bubbles and the molten salt are improved. The reacted waste gas is discharged from the waste gas outlet pipe 13, and the heat is transferred to the refrigerating device 5 through the heat exchange plate 8, and then enters the spray tower 7 for spraying.
After the reaction is finished, the electric valve 15 is opened, the reacted molten salt is discharged from the slag discharge outlet 14, the discharged molten salt enters the collecting box 21 of the waste residue collecting box 2, and after the cold air discharged through the cold air port 23 is rapidly cooled, the collecting box 21 can be pulled out to clean and recycle the used molten salt.
Claims (10)
1. A molten salt furnace for treating exhaust gas, comprising: the reaction chamber is arranged in the main body, the waste gas inlet pipe and the waste gas outlet pipe penetrating through the reaction chamber are arranged above the main body, the waste gas inlet pipe is connected with a distributor, a guide channel is arranged in the reaction chamber, a slag discharging outlet is arranged at the bottom of the main body, an electric valve is arranged on the slag discharging outlet, a waste residue collecting box is arranged at the bottom of the main body, and the slag discharging outlet is connected with the waste residue collecting box.
2. The molten salt furnace of claim 1 wherein the exhaust inlet tube is centered in the body, the distributor is at the bottom of the exhaust inlet tube, and the distributor is at the bottom of the reaction chamber.
3. A molten salt furnace for treating exhaust gas according to claim 2 wherein the distributor comprises a plurality of concentric annular tubes and a plurality of straight tubes uniformly distributed along the circumference of the center of the annular tubes, the straight tubes being connected to all of the annular tubes and one end of the straight tubes converging at the center of the annular tubes.
4. A molten salt furnace for treating exhaust gas according to claim 3 wherein the annular tube is provided with closely spaced gas outlet openings.
5. The molten salt furnace of claim 1 wherein the flow guide is helical around the exhaust inlet tube and engages the side wall of the reaction chamber.
6. The molten salt furnace for treating exhaust gas according to claim 5, wherein the flow guide channel is provided with a spiral heating plate.
7. The molten salt furnace for treating waste gas according to claim 1, wherein a collecting box is arranged in the waste residue collecting box, and the collecting box is slidably connected with the waste residue collecting box through a sliding rail.
8. The molten salt furnace for treating waste gas according to claim 7, wherein a cold air port is arranged on the side wall of the waste residue collecting box, a fan is arranged in the cold air port, and the cold air port is connected with a refrigerating device.
9. The molten salt furnace of claim 8 wherein the exhaust outlet pipe is connected to an exhaust discharge pipe, the exhaust discharge pipe being connected to a spray tower.
10. A molten salt furnace for treating exhaust gas according to claim 9 wherein the refrigeration means is connected to the exhaust gas discharge pipe by a heat exchange plate.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221310124U true CN221310124U (en) | 2024-07-12 |
Family
ID=
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102602960B (en) | Method for stilling ammonia by aid of waste heat of flue gas of coke oven and equipment | |
| CN221310124U (en) | Molten salt furnace for treating waste gas | |
| CN203359975U (en) | Self-heat-exchange deaerator | |
| CN202072720U (en) | High-temperature direct reduced iron cooling system | |
| CN111233063B (en) | Non-contact-surface and efficient low-temperature evaporation system for landfill leachate | |
| CN105540817A (en) | Supercritical water oxidation system eliminating air pollution | |
| CN107433102A (en) | A kind of method and apparatus that purification yellow phosphoric tail gas is heated with microwave | |
| CN204429082U (en) | Dust-removal and desulfurizing denitrification integrated device | |
| CN113144865A (en) | High-concentration SO2Sulfuric acid recovery device for tail gas of mining furnace | |
| CN106799113B (en) | Method and device for treating waste gas of coke quenching tower | |
| CN215464311U (en) | Formic acid volatilizes condensation recovery unit and reation kettle | |
| CN219058588U (en) | Energy-saving treatment equipment for high-salt wastewater | |
| CN215996179U (en) | Acid mist absorption tower | |
| CN210584459U (en) | Smoke white eliminating device | |
| CN220861037U (en) | Environment-friendly engineering odor collection equipment | |
| CN220506731U (en) | Waste gas deodorization and waste heat utilization system | |
| CN219072469U (en) | Device for recycling titanium white acid wastewater and circulating wastewater | |
| CN219571979U (en) | Quick cooling tower for quickly cooling high-temperature flue gas | |
| CN220265765U (en) | Ammonia bottle water bath system | |
| CN210229191U (en) | Environment-friendly equipment for air-cooled crystallization | |
| CN215050303U (en) | Multifunctional reaction tank | |
| CN102936026B (en) | Micro and nano-grade light calcium carbonate tube-condensation-type double-circulation multi-level carbonation system | |
| CN219149744U (en) | Waste gas collecting, treating, recycling and reutilizing equipment | |
| CN215196277U (en) | Novel flue gas desulfurization device | |
| CN212081680U (en) | Exhaust steam waste heat recovery type lithium bromide absorption water chilling unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |