CN207610558U - A kind of triamine production fused salt flue gas waste heat utilization device - Google Patents
A kind of triamine production fused salt flue gas waste heat utilization device Download PDFInfo
- Publication number
- CN207610558U CN207610558U CN201721705604.1U CN201721705604U CN207610558U CN 207610558 U CN207610558 U CN 207610558U CN 201721705604 U CN201721705604 U CN 201721705604U CN 207610558 U CN207610558 U CN 207610558U
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- China
- Prior art keywords
- carrier gas
- preheater
- gas
- outlet
- fused salt
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Abstract
The utility model discloses a kind of triamines to produce fused salt flue gas waste heat utilization device, it include molten salt furnace, Carrier Gas Compressor, first carrier gas preheater and fluid bed, the gas outlet of first carrier gas preheater is connected with the air inlet of fluid bed, the fused salt of first carrier gas preheater into, outlet goes out with the fused salt of fluid bed respectively, import is connected, further include having the second carrier gas preheater, the air inlet of second carrier gas preheater is connected with the outlet of Carrier Gas Compressor, the gas outlet of second carrier gas preheater is connected with the air inlet of the first carrier gas preheater, the exhanst gas outlet of molten salt furnace is connected with the gas inlet of the second carrier gas preheater.The utility model is simple in structure so that salt bath temperature of molten salt is stablized relatively, it is ensured that fluid bed charge door temperature, so that triamine production is stablized.
Description
Technical field
The utility model is related to melamine (abbreviation triamine) process units field, specifically a kind of triamine produces fused salt cigarette
Gas residual heat using device.
Background technology
It is a degree of to have produced appearance since operation for melamine (abbreviation triamine) process units for producing 30000 tons per year
Fluctuation, main cause are mainly fluctuated by the fluctuation of fluid bed charge door temperature, and plus-minus amount frequently be easy to cause fluid bed stream
Change unevenness, temperature spot glides, to seriously affect the yield of melamine.
Utility model content
The purpose of this utility model is to provide a kind of triamine production fused salt flue gas waste heat utilization device, Carrier Gas Compressor with
Increase by the second carrier gas preheater between first carrier gas preheater so that salt bath temperature of molten salt is stablized relatively, to ensure that fluid bed adds
Material mouth temperature so that triamine production is stablized.
The technical solution of the utility model is as follows：
A kind of triamine production fused salt flue gas waste heat utilization device includes molten salt furnace, Carrier Gas Compressor, the first carrier gas preheating
The gas outlet of device and fluid bed, first carrier gas preheater is connected with the air inlet of the fluid bed, the first carrier gas preheating
The fused salt import and export of device goes out with the fused salt of the fluid bed respectively, import is connected, it is characterised in that：Further include having the second load
The air inlet of air preheater, second carrier gas preheater is connected with the outlet of the Carrier Gas Compressor, the second carrier gas preheating
The gas outlet of device is connected with the air inlet of first carrier gas preheater, and the exhanst gas outlet of the molten salt furnace is carried with described second
The gas inlet of air preheater is connected.
The triamine produces fused salt flue gas waste heat utilization device, it is characterised in that：The outlet of the Carrier Gas Compressor with
Carrier gas distribution cylinder is connected between the air inlet of second carrier gas preheater.
The triamine produces fused salt flue gas waste heat utilization device, it is characterised in that：The gas outlet of the fluid bed is led to
Hot gas cooler.
The triamine produces fused salt flue gas waste heat utilization device, it is characterised in that：The cigarette of second carrier gas preheater
Gas outlet is connected with warmer.
The beneficial effects of the utility model：
The utility model is simple in structure, increases the second carrier gas preheating between Carrier Gas Compressor and the first carrier gas preheater
Device improves the temperature of the carrier gas into the first carrier gas preheater, to improve using the residual temperature of the flue gas of molten salt furnace discharge
Flow out the temperature of the fused salt of fluid bed salt box so that salt bath temperature of molten salt is stablized relatively, it is ensured that fluid bed charge door temperature, from
And triamine production is stablized.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
Specific implementation mode
Referring to Fig. 1, a kind of triamine produces fused salt flue gas waste heat utilization device, includes molten salt furnace 1, Carrier Gas Compressor 2, the
The gas outlet of one carrier gas preheater 3 and fluid bed 4, the first carrier gas preheater 3 is connected with the air inlet of fluid bed 4, and first carries
The fused salt import and export of air preheater 3 goes out with the fused salt of fluid bed 4 respectively, import is connected, and further includes having the second carrier gas preheater
5, the air inlet of the second carrier gas preheater 5 is connected with the outlet of Carrier Gas Compressor 2, the gas outlet of the second carrier gas preheater 5 with
The air inlet of first carrier gas preheater 3 is connected, the gas inlet phase of the exhanst gas outlet of molten salt furnace 1 and the second carrier gas preheater 5
Connection.
In the utility model, carrier gas is connected between the outlet of Carrier Gas Compressor 2 and the air inlet of the second carrier gas preheater 5
Distribute cylinder 6.
Hot gas cooler is led in the gas outlet of fluid bed 4.
The exhanst gas outlet of second carrier gas preheater 5 is connected with warmer 7.
The utility model is further described below in conjunction with attached drawing：
The utility model improves carrier gas temperature using the flue-gas temperature of 470 DEG C of 1 exhanst gas outlet of molten salt furnace during normal production,
The carrier gas temperature that Carrier Gas Compressor 2 exports is improved at 230 DEG C or so by the carrier gas temperature of 5 gas outlet of the second carrier gas preheater
To 280 DEG C, the fused salt heat exchanging that the first carrier gas preheater 3 is flowed out with fluid bed 4 is returned, temperature is increased to 385 DEG C or so, and former
The temperature of the carrier gas of advanced fluidized bed 4 is 377 DEG C or so and (relies primarily on the fused salt heat exchanging of the outflow of fluid bed 4 to improve carrier gas
Temperature) so that salt bath temperature of molten salt is stablized relatively, it is ensured that fluid bed charge door temperature, so that triamine production is stablized.
Claims (4)
- Include molten salt furnace, Carrier Gas Compressor, the first carrier gas preheater 1. a kind of triamine produces fused salt flue gas waste heat utilization device And fluid bed, the gas outlet of first carrier gas preheater are connected with the air inlet of the fluid bed, the first carrier gas preheater Fused salt import and export go out respectively with the fused salt of the fluid bed, import is connected, it is characterised in that：Further include having the second carrier gas The air inlet of preheater, second carrier gas preheater is connected with the outlet of the Carrier Gas Compressor, the second carrier gas preheater Gas outlet be connected with the air inlet of first carrier gas preheater, the exhanst gas outlet of the molten salt furnace and second carrier gas The gas inlet of preheater is connected.
- 2. triamine according to claim 1 produces fused salt flue gas waste heat utilization device, it is characterised in that：The carrier gas compression Carrier gas distribution cylinder is connected between the outlet of machine and the air inlet of second carrier gas preheater.
- 3. triamine according to claim 1 produces fused salt flue gas waste heat utilization device, it is characterised in that：The fluid bed Hot gas cooler is led in gas outlet.
- 4. triamine according to claim 1 produces fused salt flue gas waste heat utilization device, it is characterised in that：Second carrier gas The exhanst gas outlet of preheater is connected with warmer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721705604.1U CN207610558U (en) | 2017-12-08 | 2017-12-08 | A kind of triamine production fused salt flue gas waste heat utilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721705604.1U CN207610558U (en) | 2017-12-08 | 2017-12-08 | A kind of triamine production fused salt flue gas waste heat utilization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207610558U true CN207610558U (en) | 2018-07-13 |
Family
ID=62797628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721705604.1U Active CN207610558U (en) | 2017-12-08 | 2017-12-08 | A kind of triamine production fused salt flue gas waste heat utilization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207610558U (en) |
-
2017
- 2017-12-08 CN CN201721705604.1U patent/CN207610558U/en active Active
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