CN204803244U - Useless methyl alcohol purification system of recycling - Google Patents
Useless methyl alcohol purification system of recycling Download PDFInfo
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- CN204803244U CN204803244U CN201520181857.8U CN201520181857U CN204803244U CN 204803244 U CN204803244 U CN 204803244U CN 201520181857 U CN201520181857 U CN 201520181857U CN 204803244 U CN204803244 U CN 204803244U
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Abstract
The utility model relates to a chemical waste liquid retrieves and recycles technical field, especially relates to an useless methyl alcohol purification system of recycling, an useless methyl alcohol purification system of recycling, includes filter house, heat transfer portion, rectification portion, power portion and recoverer, the exit linkage filter house of methyl alcohol storage tank entry, filter house exit linkage heat transfer portion entry, exit linkage rectification portion of heat transfer portion entry, rectification portion exit linkage refined methanol storage tank or recoverer, power portion be the boiler, provides heat source, adoption for heat transfer portion and rectification portion useless methyl alcohol purification system of recycling can retrieve used repeatedly with the methyl alcohol that gives up, and reduction in production cost has not only avoided useless methyl alcohol directly to drain and the environmental pollution that causes moreover, retrieves methyl alcohol after the purification and reaches the refined methanol and use standardly.
Description
Technical field
The utility model relates to chemical waste liquid recovery and reuse technology field, particularly relates to a kind of useless methanol purification reutilization system.
Background technology
In use producing dimethyl ether from methanol process, there is the problem that buying is difficult and cost is high of raw material, and the useless methyl alcohol on market is regarded liquid waste disposal by people always, not only contaminate environment but also increase production cost always.
Summary of the invention
Based on above deficiency, the utility model proposes a kind of can recycling giving up the useless methanol purification reutilization system of methyl alcohol.
A kind of useless methanol purification reutilization system, comprises filter house, heat exchanging part, rectifying portion, power part and recoverer;
Described filter house comprises strainer, surge tank and the first feeding pump, described strainer is one group of two strainer be cascaded, described first filter inlet exports with useless methanol tank and is connected, the described outlet of the second strainer is connected with the entrance of surge tank, the outlet of described surge tank connects the entrance of the first feeding pump, described first feed pump outlet connects the shell entrance of First Heat Exchanger, and described first strainer and the second strainer arrange slag-drip opening, and described slag-drip opening is connected with boiler;
Described heat exchanging part comprises First Heat Exchanger, vaporizer and the second interchanger, the shell entrance of described First Heat Exchanger connects the first feed pump outlet, the shell outlet of First Heat Exchanger connects the methanol inlet of vaporizer, the methanol outlet of described vaporizer connects the tube layer entrance of the second interchanger, the tube layer outlet of described second interchanger connects the tube layer entrance of First Heat Exchanger, the shell entrance of tube layer outlet connection second interchanger of described First Heat Exchanger, the shell outlet of described second interchanger connects rectifying tower material inlet;
Described rectifying portion comprises rectifying tower, condenser, return tank, second feeding pump and reboiler, the material inlet of described rectifying tower connects the shell outlet of the second interchanger, air outlet connects return tank feeding mouth by condenser, the discharge port of return tank connects the reflux inlet of refined methanol storage tank and rectifying tower by the second feeding pump, the relief outlet of return tank is connected with boiler, the wastewater outlet of described rectifying tower is connected with recoverer, described reboiler is connected with rectifying tower with cooling liquid outlet by steam-in, the exit of described second feeding pump arranges sampling apparatus and reversing valve,
Described power part comprises boiler and heat transfer oil heater, and described boiler is connected with the slag-drip opening of strainer and the relief outlet of return tank, and heat transfer oil heater is connected with reboiler and vaporizer, for reboiler and vaporizer provide thermal source.
Described recoverer is sewage disposal storehouse.
Preferably, the entrance of entrance the 3rd feeding pump in parallel of described first feeding pump, first feed pump outlet the 3rd feed pump outlet in parallel, the entrance of entrance the 4th feeding pump in parallel of described second feeding pump, the second feed pump outlet the 4th feed pump outlet in parallel.
Preferably, described strainer is in parallel two groups, second set filter is also two strainers of series connection, the entrance of first strainer of the second set filter is in parallel with the entrance of first strainer of the first set filter, and the outlet of second strainer of the second set filter is in parallel with the outlet of second strainer of the first set filter.
Adopt the useless methanol purification reutilization system of the utility model structure, useless Methanol Recovery can be reused, not only reduce production cost, and avoid useless methyl alcohol and directly drain and the environmental pollution that causes, the methyl alcohol reclaimed after purifying reaches refined methanol and uses standard.
Accompanying drawing explanation
Fig. 1 is useless methanol purification reutilization system structural representation
Fig. 2 is heat exchanging part structural representation
Fig. 3 is rectifying bilge construction schematic diagram
Fig. 4 is the syndeton schematic diagram of the second feeding pump and the 4th feeding pump
Fig. 5 is the syndeton schematic diagram of the first feeding pump and the 3rd feeding pump
Fig. 6 is the syndeton schematic diagram of two set filters
In figure, useless methanol tank 00; Refined methanol storage tank 01; Filter house 10; First strainer 11; Second strainer 12; Slag-drip opening 111; Surge tank 13; First feeding pump 14; Heat exchanging part 20; First Heat Exchanger 21; Vaporizer 22; Second interchanger 23; Shell entrance 211; Shell outlet 212; Tube layer entrance 213; Tube layer outlet 214; Methanol inlet 221; Methanol outlet 222; Rectifying portion 30; Rectifying tower 31; Material inlet 311; Air outlet 312; Reflux inlet 313; Waste water mouth 314; Steam-in 315; Cooling liquid outlet 316; Condenser 32; Return tank 33; Feeding mouth 331; Discharge port 332; Relief outlet 333; Second feeding pump 34; Sampling apparatus 341; Reversing valve 342; Reboiler 35; Boiler 40; Heat transfer oil heater 41; Sewage disposal storehouse 50; 3rd feeding pump 03; 4th feeding pump 04; First set filter 05; Second set filter 06.
Embodiment
See Fig. 1 to Fig. 6, a kind of useless methanol purification reutilization system, comprises filter house 10, heat exchanging part 20, rectifying portion 30, power part and recoverer;
Described filter house 10 comprises strainer, surge tank 13 and the first feeding pump 14, described strainer is one group of two strainer be cascaded, described first strainer 11 entrance exports with useless methanol tank 00 and is connected, the outlet of described second strainer 12 is connected with the entrance of surge tank 13, the outlet of described surge tank 13 connects the entrance of the first feeding pump 14, the outlet of described first feeding pump 14 connects the shell entrance 211 of First Heat Exchanger 21, described first strainer 11 and the second strainer 12 arrange slag-drip opening 111, and described slag-drip opening 111 is connected with boiler 40;
Described heat exchanging part 20 comprises First Heat Exchanger 21, vaporizer 22 and the second interchanger 23, the shell entrance 211 of described First Heat Exchanger 21 connects the outlet of the first feeding pump 14, the shell outlet 212 of First Heat Exchanger 21 connects the methanol inlet 221 of vaporizer 22, the methanol outlet 222 of described vaporizer 22 connects the tube layer entrance 213 of the second interchanger 23, the tube layer outlet 214 of described second interchanger 23 connects the tube layer entrance 213 of First Heat Exchanger 21, the tube layer outlet 214 of described First Heat Exchanger 21 connects the shell entrance 211 of the second interchanger 23, the shell outlet 212 of described second interchanger 23 connects the material inlet 311 of rectifying tower 31,
Described rectifying portion 30 comprises rectifying tower 31, condenser 32, return tank 33, second feeding pump 34 and reboiler 35, the material inlet 311 of described rectifying tower 31 connects the shell outlet 212 of the second interchanger 23, air outlet 312 connects return tank 33 feeding mouth 331 by condenser 32, the discharge port 332 of return tank 33 connects the reflux inlet 313 of refined methanol storage tank 01 and rectifying tower 31 by the second feeding pump 34, the exit of the second feeding pump 34 arranges sampling apparatus 341 and reversing valve 342, sampling apparatus 341 can gather the methanol content that the second feeding pump 34 exports, when methanol content reaches the processing requirement of refined methanol, such as 99.6-99.9%%, reversing valve 342 is accessed refined methanol storage tank 01, by finished product methyl alcohol stored in refined methanol storage tank, when not reaching processing requirement, such as methanol content lower than 99.6% time, reversing valve 342 is accessed rectifying tower 31 reflux inlet 313, methyl alcohol and part noncondensable gas mixture are squeezed into rectifying tower again rectifying or give rectifying tower tower top cooling, other most noncondensable gases are connected with boiler 40 by relief outlet 333, send boiler back to and rekindle utilization, waste water in rectifying tower or heavy constituent waste liquid are connected with recoverer by wastewater outlet 314, enter sewage disposal storehouse 50, described reboiler 35 is connected with rectifying tower 31 with cooling liquid outlet 316 by steam-in 315.
Described power part comprises boiler 40 and heat transfer oil heater 41, described boiler 40 is connected with the slag-drip opening 111 of strainer and the relief outlet 333 of return tank 33, heat transfer oil heater 41 is connected with reboiler 35 and vaporizer 22, for reboiler 35 and vaporizer 22 provide thermal source.
Described recoverer is sewage disposal storehouse 50.
Further, the entrance of entrance the 3rd feeding pump 03 in parallel of described first feeding pump 14, the outlet of outlet the 3rd feeding pump 03 in parallel of the first feeding pump 14, the entrance of entrance the 4th feeding pump 04 in parallel of described second feeding pump 34, the outlet of outlet the 4th feeding pump 04 in parallel of the second feeding pump 34; As Fig. 4; Fig. 5; the syndeton of the second feeding pump and the 4th feeding pump is same as the syndeton of the first feeding pump and the 3rd feeding pump; feeding pump is set to complementary structure in parallel; can use aborning simultaneously, raise the efficiency, also can be used alone; replaceable use during separate unit feeding pump fault, is unlikely to shutdown maintenance and affects production efficiency.
Further; described strainer is in parallel two groups; second set filter 06 is also two strainers of series connection; the entrance of first strainer of the second set filter 06 is in parallel with the entrance of first strainer of the first set filter 05; the outlet of second strainer of the second set filter 06 is in parallel with the outlet of second strainer of the first set filter 05; as Fig. 6; two set filters can use simultaneously; raise the efficiency; also can be used alone; replaceable use when single set filter or separate unit filter failure, is unlikely to shutdown maintenance and affects production efficiency.
During production, useless methyl alcohol storage is after metre filter, waste residue is discharged by slag-drip opening and is delivered to boiler combustion recycling, carbinol mixture after filtration enters First Heat Exchanger heat exchange by feeding pump, then after vaporizer vaporization and the second interchanger heat exchange, carbinol mixture enters rectifying tower through the material inlet of rectifying tower, after rectifying, gas-phase methanol mixture enters after condenser through air outlet and enters return tank, wherein non-condensable gas is got rid of to recovery channel from return tank, be recovered to boiler house to reuse, Liquid Phase Methanol delivers to refined methanol storage tank through feeding pump.
Claims (3)
1. a useless methanol purification reutilization system, is characterized in that: comprise filter house, heat exchanging part, rectifying portion, power part and recoverer;
Described filter house comprises strainer, surge tank and the first feeding pump, described strainer is one group of two strainer be cascaded, described first filter inlet exports with useless methanol tank and is connected, the described outlet of the second strainer is connected with the entrance of surge tank, the outlet of described surge tank connects the entrance of the first feeding pump, described first feed pump outlet connects the shell entrance of First Heat Exchanger, and described first strainer and the second strainer arrange slag-drip opening, and described slag-drip opening is connected with boiler;
Described heat exchanging part comprises First Heat Exchanger, vaporizer and the second interchanger, the shell entrance of described First Heat Exchanger connects the first feed pump outlet, the shell outlet of First Heat Exchanger connects the methanol inlet of vaporizer, the methanol outlet of described vaporizer connects the tube layer entrance of the second interchanger, the tube layer outlet of described second interchanger connects the tube layer entrance of First Heat Exchanger, the shell entrance of tube layer outlet connection second interchanger of described First Heat Exchanger, the shell outlet of described second interchanger connects rectifying tower material inlet;
Described rectifying portion comprises rectifying tower, condenser, return tank, second feeding pump and reboiler, the material inlet of described rectifying tower connects the shell outlet of the second interchanger, air outlet connects return tank feeding mouth by condenser, the discharge port of return tank connects the reflux inlet of refined methanol storage tank and rectifying tower by the second feeding pump, the relief outlet of return tank is connected with boiler, the wastewater outlet of described rectifying tower is connected with recoverer, described reboiler is connected with rectifying tower with cooling liquid outlet by steam-in, the exit of described second feeding pump arranges sampling apparatus and reversing valve,
Described power part comprises boiler and heat transfer oil heater, and described boiler is connected with the slag-drip opening of strainer and the relief outlet of return tank, and heat transfer oil heater is connected with reboiler and vaporizer, for reboiler and vaporizer provide thermal source;
Described recoverer is sewage disposal storehouse.
2. useless methanol purification reutilization system as claimed in claim 1, it is characterized in that: the entrance of entrance the 3rd feeding pump in parallel of described first feeding pump, first feed pump outlet the 3rd feed pump outlet in parallel, the entrance of entrance the 4th feeding pump in parallel of described second feeding pump, the second feed pump outlet the 4th feed pump outlet in parallel.
3. useless methanol purification reutilization system as claimed in claim 1, it is characterized in that: described strainer is in parallel two groups, second set filter is also two strainers of series connection, the entrance of first strainer of the second set filter is in parallel with the entrance of first strainer of the first set filter, and the outlet of second strainer of the second set filter is in parallel with the outlet of second strainer of the first set filter.
Priority Applications (1)
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CN201520181857.8U CN204803244U (en) | 2015-03-30 | 2015-03-30 | Useless methyl alcohol purification system of recycling |
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CN201520181857.8U CN204803244U (en) | 2015-03-30 | 2015-03-30 | Useless methyl alcohol purification system of recycling |
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CN204803244U true CN204803244U (en) | 2015-11-25 |
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CN201520181857.8U Withdrawn - After Issue CN204803244U (en) | 2015-03-30 | 2015-03-30 | Useless methyl alcohol purification system of recycling |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104987281A (en) * | 2015-03-30 | 2015-10-21 | 宁夏龙江化工科技有限公司 | Waste methanol purification and recycling system |
-
2015
- 2015-03-30 CN CN201520181857.8U patent/CN204803244U/en not_active Withdrawn - After Issue
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104987281A (en) * | 2015-03-30 | 2015-10-21 | 宁夏龙江化工科技有限公司 | Waste methanol purification and recycling system |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20151125 Effective date of abandoning: 20170405 |