CN209180956U - A kind of device of brine waste waste gas of incineration recycling - Google Patents
A kind of device of brine waste waste gas of incineration recycling Download PDFInfo
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- CN209180956U CN209180956U CN201821042705.XU CN201821042705U CN209180956U CN 209180956 U CN209180956 U CN 209180956U CN 201821042705 U CN201821042705 U CN 201821042705U CN 209180956 U CN209180956 U CN 209180956U
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- water
- cyclone separator
- wall
- waste
- salt
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Abstract
The utility model relates to a kind of devices of brine waste waste gas of incineration recycling, including the furnace body surrounded by the water wall structure with lining, furnace body successively includes waste heat boiler from top to bottom, cyclone separator and salt pond, hollow clapboard is equipped with inside waste heat boiler and cyclone separator, the hollow parts of hollow clapboard are fixedly connected with downwards cyclone separator inner cylinder, cyclone separator inner cylinder is extended downward into close to cyclone separator bottom end, salt pond side wall is provided with overflow launder, when the flue gas containing a large amount of liquid salt enters the present apparatus, saline solution is separated from air-flow by means of centrifugal force and is trapped in wall by cyclone separator, the saline solution of wall built-up can voluntarily flow to salt pond under the effect of gravity, avoid salt deposit accumulation blocking flue, due to maintaining the melting temperature for being much higher than salt in salt pond position flue-gas temperature, salinity maintaining liquid state in salt pond, extra saline solution is by overflowing Water cooling slag removing system is discharged in chute, since the setting of outer wall lining can prevent the direct contact corrosion boiler tube of the corrosive substance in flue gas.
Description
Technical field
This patent is related to the heat recovery technology of brine waste burning, in particular to a kind of to be returned using water-cooling wall boiler
Receive the device of brine waste incineration flue gas heat.
Background technique
As Energy situation and environmental situation are on the rise, the processing of pollutant especially hazardous waste be China just
The major issue faced.In the industrial productions such as current printing and dyeing, papermaking, medicine, pesticide, chemical industry, it is useless that a large amount of saliferous can be generated
Water, such waste water salt content is higher, and COD and impurity content are higher, complicated component, without recovery value and seriously polluted, it is necessary to
It could discharge or fill after treatment.
If the above industry brine waste contains hazardous waste, need to be handled by way of burning, according to the country
Dangerous waste incineration standard requirements need sufficiently to burn in the environment for stopping 2s at 1100 DEG C.Conventional incinerators are in processing saliferous
When waste water, since inorganic salts fusing point is low, (NaCl fusing point is 800 DEG C, Na2SO4Fusing point is 884 DEG C), it is liquid in flue gas, holds
Easily cause inorganic salts fused junction wall, especially during subsequent waste heat recycles, it is serious to often result in flue blockage, influences to set
Standby normal use.
Brine waste burn after in flue gas in addition to containing a large amount of saline solutions, particulate matter, it is also possible to have hydrogen chloride, sulfur dioxide,
Other corrosive substances such as sulfur trioxide, phosphorus pentoxide, these substances can generate corrosion to boiler tube in waste heat recovery stage.
Water screen tube abbreviation water-cooling wall, is generally disposed on inboard wall of burner hearth face, is mainly used to absorb furnace flame and high temperature
The radiant heat that flue gas is released.
It is common that brine waste processing mode has following various ways at present:
1. biochemical treatment applies in general to the brine waste that salt content is lower than 1%, is not suitable for containing containing hazardous waste
Salt waste water；
2. multiple-effect evaporation is handled, it is higher not to be suitable for COD content, complicated component, the brine waste containing hazardous waste,
Easily contain undecomposed flammable, toxic gas in steam, waste water is easy bonding, blocking pipeline in evaporation process；
3. burning disposal in liquid is suitable for high saliferous, the brine waste containing hazardous waste, but heat can not recycle,
Need to consume a large amount of water quick cooling.The brine waste of chilling tank discharge simultaneously will also send landfill after multiple-effect evaporation.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, and it is useless to provide a kind of saliferous
The device of water waste gas of incineration recycling.
The utility model is to be achieved by the following technical programs:
A kind of device of brine waste waste gas of incineration recycling, which is characterized in that including being enclosed by the water wall structure with lining
At furnace body, the furnace body from top to bottom successively include waste heat boiler, cyclone separator and salt pond, the furnace body top is by belt material
The water wall structure sealing of layer, the water wall structure with lining include lining and water-cooling wall, and the lining and water-cooling wall are solid
It connects, the water-cooling wall includes steel pipe and water-cooling wall fin, and the water-cooling wall fin is welded on steel pipe, in the water-cooling wall fin
Side, which is welded with, hangs salt nail, and the waste heat boiler upper end is provided with incineration flue gas and exports, in the waste heat boiler and cyclone separator
Portion is equipped with hollow clapboard, and the hollow clapboard outer and furnace body inside wall are affixed, and the hollow parts of the hollow clapboard are solid downwards
Surely it is connected with cyclone separator inner cylinder, the cyclone separator inner cylinder is extended downward into close to cyclone separator bottom end, the rotation
Wind separator side is provided with incineration flue gas entrance, and the salt pond side wall is provided with overflow launder.
The waste heat boiler side wall is provided with cooling air inlet, and the waste heat boiler side wall is connected with chilled water (chw) spray close to upper end
Rifle, chilling water spray gun rear end connect water pipe.
The salt pond side wall is equipped with salt pond burner in salt pond upper end.
The overflow channel opening is connected with water cooling slag-tapping system.
The beneficial effects of the utility model are:
1. being utilized in high temperature fume afterheat containing fuse salt, avoid causing amount of heat to lose because of chilling；
2. substantially reducing chilling water consumption required by quench zone because the big amount temperature in flue gas is recycled in waste heat boiler
Amount；
3. the saline solution of wall built-up can voluntarily flow to salt pond under the effect of gravity, salt deposit accumulation blocking flue is avoided；
4. most salt can be flowed out in salt pond by overflow launder, chilling in water is entered with liquid form deslagging, is avoided
It washs to form salting liquid by scrubbing tower in follow-up process.Subsequent salting liquid needs to handle using multiple-effect evaporation, and consumption is big
Energy.
5. since the setting of outer wall lining can prevent the corrosive substance in flue gas from directly contacting, corrode boiler tube.
The advantage of the present apparatus is that burning brine waste simultaneously recycles flue gas heat, be it is a kind of facilitate it is economical remaining
Recuperation of heat utilizes means.By economic analysis, for 5m3The salt-containing waste water treating device of/h utilizes compared with burning in liquid
The present apparatus can produce 110,000 tons of steam every year, send 2.8 ten thousand cubes of MVR wastewater flow rate less, saves 2.8 ten thousand tons of MVR steam, every year may be used
Save about 28,600,000 yuan.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model,
Fig. 2 is the overlooking structure diagram of the utility model.
In figure: 1. chilling water spray guns, 2., which hang salt, follows closely, 3. linings, 4. cooling air inlets, 5. steel pipes, 6. hollow clapboards, and 7.
Incineration flue gas entrance, 8. overflow launders, 9. water cooling slag-tapping systems, 10. salt ponds, 11. salt pond burners, 12. cyclone separators, 13.
Salt deposit, the outlet of 14. incineration flue gas, 15. water-cooling wall fins, 16. waste heat boilers.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, with reference to the accompanying drawing
The utility model is described in further detail with most preferred embodiment.
As shown, the utility model includes the furnace body surrounded by the water wall structure with lining, the furnace body from upper and
Under successively include waste heat boiler 16, cyclone separator 12 and salt pond 10, the furnace body top by with lining water wall structure seal
Mouthful, the water wall structure with lining includes lining 3 and water-cooling wall, and the lining 3 and water-cooling wall are affixed, and the lining 3 is
Castable is coated on water-cooling wall medial surface, and the castable of the lining 3 is refractory material, is resistant to various corruption under 1100 DEG C of high temperature
Corrosion atmosphere, the water-cooling wall include steel pipe 5 and water-cooling wall fin 15, and the water-cooling wall fin 15 is welded on steel pipe 5, described
15 medial surface of water-cooling wall fin, which is welded with, hangs salt nail 2, and 16 upper end of waste heat boiler is provided with incineration flue gas outlet 14, described remaining
Hollow clapboard 6 is equipped with inside heat boiler 16 and cyclone separator 12, hollow clapboard 6 described in this example is that section is trapezoidal conical shell
Shape, 6 outer of hollow clapboard and furnace body inside wall are affixed, and the effect of the hollow clapboard 6 is to separate 12 He of cyclone separator
Waste heat boiler 16, the hollow parts of the hollow clapboard 6 are fixedly connected with downwards cyclone separator inner cylinder, the cyclone separator
Inner cylinder is extended downward into close to 12 bottom end of cyclone separator, and 12 side of cyclone separator is provided with incineration flue gas entrance 7, described
10 side wall of salt pond is provided with overflow launder 8, when the flue gas containing a large amount of liquid salt enters the present apparatus, cigarette through the incineration flue gas entrance 7
Gas first passes around the cyclone separator 12, and 12 mechanism of cyclone separator is that air-flow containing drop is made to rotate, by means of from
Saline solution is separated from air-flow and is trapped in wall by mental and physical efforts, then so that drop is fallen into salt pond 10 by gravity, due in salt pond
Position flue-gas temperature maintains the melting temperature for being much higher than salt, salinity maintaining liquid state in salt pond, and extra saline solution passes through 8 row of overflow launder
Water cooling slag removing system 9 out, the melting temperature due to water screen tube wall temperature and lining wall surface temperature well below salt, in lining 3
Inner wall has 13 solidification and crystallization of salt deposit, is welded on water-cooling wall fin 15 and hangs salt nail 2, prevents 13 bulk of salt deposit from falling damage and set
Standby, certain thickness is arrived in the crystallization of salt deposit 13, and temperature does not recrystallize after being higher than fusion point, is in a liquid state and flows downward, through 6 He of hollow clapboard
12 inner cylinder of cyclone separator flows into salt pond 10, and saline solution is wrapped up during flowing downward by high-temperature flue gas, and will not cool down condensation,
Temperature constantly reduces during flue gas flows in waste heat boiler 16, and salt melting is reached before entering incineration flue gas outlet 14
Temperature is hereinafter, salinity exists in the form of flying dust and is discharged from incineration flue gas outlet 14 in follow-up process.
16 side wall of waste heat boiler is provided with cooling air inlet 4 in this example, and 16 side wall of waste heat boiler is connected with close to upper end
Chilling water spray gun 1,1 rear end of chilling water spray gun connect water pipe, under the special operation condition of flue gas overtemperature by flue-gas temperature
It is reduced to salt fusing point or less.
10 side wall of salt pond is equipped with salt pond burner 11 in 10 upper end of salt pond in this example, and 10 side wall of salt pond is provided with overflow
Slot 8, the opening of overflow launder 8 are connected with water cooling slag-tapping system 9, to guarantee to open salt pond burner 11 under special circumstances, for mentioning
Heating load maintains salinity liquid and mobility in salt pond, and water cooling slag removing system 9 is discharged by overflow launder 8 convenient for extra saline solution.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (4)
1. a kind of device of brine waste waste gas of incineration recycling, which is characterized in that including being surrounded by the water wall structure with lining
Furnace body, the furnace body from top to bottom successively include waste heat boiler, cyclone separator and salt pond, the furnace body top by band lining
Water wall structure sealing, the water wall structure with lining includes lining and water-cooling wall, and the lining and water-cooling wall are affixed,
The water-cooling wall includes steel pipe and water-cooling wall fin, and the water-cooling wall fin is welded on steel pipe, on the inside of the water-cooling wall fin
Face, which is welded with, hangs salt nail, and the waste heat boiler upper end is provided with incineration flue gas and exports, inside the waste heat boiler and cyclone separator
Equipped with hollow clapboard, the hollow clapboard outer and furnace body inside wall are affixed, and the hollow parts of the hollow clapboard are fixed downwards
It is connected with cyclone separator inner cylinder, the cyclone separator inner cylinder is extended downward into close to cyclone separator bottom end, the whirlwind
Separator side is provided with incineration flue gas entrance, and the salt pond side wall is provided with overflow launder.
2. a kind of device of brine waste waste gas of incineration recycling according to claim 1, which is characterized in that the waste heat boiler
Side wall is provided with cooling air inlet, and the waste heat boiler side wall is connected with chilling water spray gun close to upper end, after the chilling water spray gun
End connection water pipe.
3. a kind of device of brine waste waste gas of incineration recycling according to claim 1, which is characterized in that the salt pond side wall
Salt pond burner is equipped in salt pond upper end.
4. a kind of device of brine waste waste gas of incineration recycling according to claim 1, which is characterized in that the overflow launder is opened
Mouth is connected with water cooling slag-tapping system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821042705.XU CN209180956U (en) | 2018-07-03 | 2018-07-03 | A kind of device of brine waste waste gas of incineration recycling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821042705.XU CN209180956U (en) | 2018-07-03 | 2018-07-03 | A kind of device of brine waste waste gas of incineration recycling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209180956U true CN209180956U (en) | 2019-07-30 |
Family
ID=67358533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821042705.XU Expired - Fee Related CN209180956U (en) | 2018-07-03 | 2018-07-03 | A kind of device of brine waste waste gas of incineration recycling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209180956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571740A (en) * | 2018-07-03 | 2018-09-25 | 天津辰创环境工程科技有限责任公司 | A kind of device of brine waste waste gas of incineration recycling |
-
2018
- 2018-07-03 CN CN201821042705.XU patent/CN209180956U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571740A (en) * | 2018-07-03 | 2018-09-25 | 天津辰创环境工程科技有限责任公司 | A kind of device of brine waste waste gas of incineration recycling |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190730 |
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| CF01 | Termination of patent right due to non-payment of annual fee |