CN203269824U - Three-in-one device for oxamide production - Google Patents
Three-in-one device for oxamide production Download PDFInfo
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- CN203269824U CN203269824U CN 201320289288 CN201320289288U CN203269824U CN 203269824 U CN203269824 U CN 203269824U CN 201320289288 CN201320289288 CN 201320289288 CN 201320289288 U CN201320289288 U CN 201320289288U CN 203269824 U CN203269824 U CN 203269824U
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Abstract
The utility model relates to a reactor, separator and drier three-in-one device, integrating a reactor, a separator and a drier, for oxamide production. The three-in-one device comprises a reaction separating kettle and a drying kettle, wherein the reaction separating kettle is composed of a reaction separating kettle main body, a large-size helical stirring device inside the reaction separating kettle, a steam jacket wrapped outside the reaction separating kettle main body, a liquid feeding hole formed in the top end of the reaction separating kettle, a gas phase feeding hole formed in the bottom of the reaction separating kettle and a discharging hole formed in the bottom of the reaction separating kettle; the drying kettle is composed of a drying kettle main body, a steam jacket wrapped outside the drying kettle main body, a gas phase discharging hole formed in the top end of the drying kettle, a liquid discharging hole formed in the bottom of the drying kettle and a feeding hole formed in the top end of the drying kettle; and the discharging hole of the reaction separating kettle is communicated with the feeding hole of the drying kettle. Due to adoption of the design, valuable materials and investment can be remarkably saved, and meanwhile, heat transfer and mass transfer can be improved, so that the reaction energy consumption is remarkably reduced; and due to the intensified design, the floor area is reduced, and the operation and environmental friendliness are facilitated.
Description
Technical field
The utility model relates to industrial reaction, separation, drying installation in a kind of production of chemical industry, further refers to integrate the three-in-one unit of chemical reaction, separation, drying, is applicable to the oxamide suitability for industrialized production.
Background technology
The continuous synthesis technique of oxamide, adopting dimethyl oxalate and ammonia is raw material, generates oxamide and methyl alcohol after reaction.Dimethyl oxalate and ammonia gas react are thermopositive reaction, and do not need too high temperature of reaction, select methyl alcohol to make solvent, usually carry out in tank reactor.For improving reaction efficiency, need tank reactor is carried out certain transformation, increase its heat transfer, mass-transfer efficiency, convenient operation.After having reacted, need reaction mixture solid phase prod oxamide and all the other liquid products (being mainly methyl alcohol) are carried out initial gross separation, need relate to separating device.Need after solid-liquid separation thick product oxamide is carried out drying, this relates to relevant highly effective drying equipment.Need to adopt the pipeline of different sizes to connect to three unit like this, floor space and space increase, and three cell arrangements need expend more metallic substance, and management and control is also more difficult.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of reactor, separator and moisture eliminator three-in-one device for above drawback, and namely integrated reactor, separator and moisture eliminator are in one.Precious materials and investment can be significantly saved in this design, can improve simultaneously to conduct heat and mass transfer, and energy consumption of reaction is obviously reduced, and Intensive Design also helps operation and environmental protection except floor space reduces.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of three-in-one unit for oxamide production comprises Reaction Separation still and drying kettle; Described Reaction Separation still and drying kettle are connected, and wherein, described Reaction Separation still comprises Reaction Separation still main body, are provided with whipping appts in described Reaction Separation still main body, and described Reaction Separation still main body periphery is surrounded by steam jacket; Described Reaction Separation still main body is provided with liquid inlet opening, gas-phase feed mouth and discharge port.
Above-mentioned a kind of three-in-one unit for oxamide production wherein, is provided with overflow port in the middle part of described Reaction Separation still main body, be used for the separation of the rear solidliquid mixture of reaction.
Above-mentioned a kind of three-in-one unit for oxamide production, wherein, the top of described Reaction Separation still main body is provided with visor, can carry out Real Time Monitoring to the response situation in reactor.
Above-mentioned a kind of three-in-one unit for oxamide production, wherein, the discharge port of described Reaction Separation still main body can arrange filter cloth or filter screen, unnecessary liquid in solid materials can first filter to isolate, solid materials is by the helical stir thruster, be delivered to drying kettle and carry out drying, drying kettle can carry out drying to solid materials fast through design, and completes discharging.
The beneficial effects of the utility model are:
1. the three-in-one device of reactor, separator and moisture eliminator, namely integrated reactor, separator and moisture eliminator are in one.Precious materials and investment can be significantly saved in this design, can improve simultaneously to conduct heat and mass transfer, and energy consumption of reaction is obviously reduced, and Intensive Design also helps operation and environmental protection except floor space reduces.
2. be wrapped in the steam jacket of Reaction Separation still and drying kettle outward, can pass into two kinds and not allow pressure steam, and can regulate its temperature of reaction by regulating its intake.
3. Reaction Separation still middle part is provided with overflow port, react complete after, the product pressed powder is understood slow sedimentation, upper solution can be discharged by overflow port, has so just completed the initial gross separation of solid-liquid
4. Reaction Separation still top is provided with visor, can supervise in real time the response situation in reactor
5. the large-scale spiral whipping appts of Reaction Separation still inside, both can be used for the stirring of reaction, can be used as again the thruster of the rear solid discharging of reaction
6. Reaction Separation still bottom discharge port can arrange filter cloth or filter screen, unnecessary liquid in solid materials can first filter to isolate, and solid materials is delivered to drying kettle and carries out drying by the helical stir thruster, drying kettle can carry out drying to solid materials fast through design, and completes discharging
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
A kind of three-in-one unit for oxamide production, comprise Reaction Separation still 4 and drying kettle 10 as shown in the figure; Wherein, Reaction Separation still 4 is by the large-scale spiral whipping appts 7 of Reaction Separation still main body 41, Reaction Separation still inside, is wrapped in the steam jacket 3 of Reaction Separation still main body, the liquid inlet opening 6 that lays respectively at Reaction Separation still top and the gas-phase feed mouth 2 of bottom and the discharge port 1 of bottom outward and forms; Drying kettle 10 is comprised of drying kettle main body 101, the steam jacket 31 that is wrapped in the drying kettle main body outward, the gas phase discharge port 12 that lays respectively at the drying kettle top and the liquid outlet opening 9 of bottom and the opening for feed 11 on top, and the discharge port 1 of described Reaction Separation still is connected with the opening for feed 11 of described drying kettle.Reaction Separation still 4 middle parts are provided with overflow port 8, be used for the separation of the rear solidliquid mixture of reaction, the top is provided with visor 5, can carry out Real Time Monitoring to the response situation in reactor, Reaction Separation still 4 bottom discharge ports can arrange filter cloth or filter screen, and the unnecessary liquid in solid materials can first filter to isolate, solid materials is by the helical stir thruster, be delivered to drying kettle and carry out drying, drying kettle can carry out drying to solid materials fast through design, and completes discharging.
during production, 2.0 tons of the dimethyl oxalate of 60% concentration and methanol mixed solution are entered reactor with pump delivery by the top fed mouth 6 of three-in-one unit reactor 4, ammonia is provided by liquid ammonia storage tank, the still pressure P is that 0.1MPa liquefied ammonia is converted into ammonia after by step-down in storage tank and is entered by device underfeed mouth 2, control by mass flowmeter, flow is 15 ~ 45Kg/h, pass into approximately after 3 hours, open helical stir 7, continue to pass into ammonia, adopt 3 pairs of reactions of steam jacket to be warming up to 60 ℃ ~ 80 ℃, the ammonia (total ammonia excessive 4%) that enters reactor is even with liquid mixing, the oxamide solid that fully generates after reaction, after reaction finishes, stop stirring, oxamide slowly is deposited in bottom of device, find that by sampling analysis the raw material dimethyl oxalate all transforms.The upper strata methanol solution imports the rectifying recovery system by overflow port 8, be discharged into drying kettle 10 dryings by bottom discharge mouth 1, dry gas-phase methanol is sent into methanol recovery system, dry complete oxamide solid materials, collected by dry discharge port and be weighed as 748Kg, actual yield is 84% left and right, finished product oxamide packing warehouse-in.
Claims (4)
1. one kind is used for the three-in-one unit that oxamide is produced, and comprises Reaction Separation still and drying kettle; Described Reaction Separation still and drying kettle are connected, and it is characterized in that, described Reaction Separation still comprises Reaction Separation still main body, are provided with whipping appts in described Reaction Separation still main body, and described Reaction Separation still main body periphery is surrounded by steam jacket; Described Reaction Separation still main body is provided with liquid inlet opening, gas-phase feed mouth and discharge port.
2. a kind of three-in-one unit of producing for oxamide as claimed in claim 1, is characterized in that, described Reaction Separation still main body middle part is provided with overflow port, is used for the separation of solidliquid mixture after reaction.
3. a kind of three-in-one unit of producing for oxamide as claimed in claim 1, is characterized in that, the top of described Reaction Separation still main body is provided with visor, can carry out Real Time Monitoring to the response situation in reactor.
4. a kind of three-in-one unit of producing for oxamide as claimed in claim 1, is characterized in that, the discharge port of described Reaction Separation still main body can arrange filter cloth or filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320289288 CN203269824U (en) | 2013-05-21 | 2013-05-21 | Three-in-one device for oxamide production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320289288 CN203269824U (en) | 2013-05-21 | 2013-05-21 | Three-in-one device for oxamide production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203269824U true CN203269824U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320289288 Expired - Lifetime CN203269824U (en) | 2013-05-21 | 2013-05-21 | Three-in-one device for oxamide production |
Country Status (1)
| Country | Link |
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| CN (1) | CN203269824U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112912798A (en) * | 2018-11-09 | 2021-06-04 | 爱克发有限公司 | Lithographic printing plate precursor |
| CN116178113A (en) * | 2023-03-16 | 2023-05-30 | 湖南长炼新材料科技股份公司 | Process for preparing benzenediol by phenol hydroxylation |
| CN116396179A (en) * | 2023-03-03 | 2023-07-07 | 沈阳化工大学 | Efficient production method of high-purity oxamide under mild condition |
-
2013
- 2013-05-21 CN CN 201320289288 patent/CN203269824U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112912798A (en) * | 2018-11-09 | 2021-06-04 | 爱克发有限公司 | Lithographic printing plate precursor |
| CN112912798B (en) * | 2018-11-09 | 2024-03-29 | 易客发有限公司 | Lithographic printing plate precursor |
| CN116396179A (en) * | 2023-03-03 | 2023-07-07 | 沈阳化工大学 | Efficient production method of high-purity oxamide under mild condition |
| CN116178113A (en) * | 2023-03-16 | 2023-05-30 | 湖南长炼新材料科技股份公司 | Process for preparing benzenediol by phenol hydroxylation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |