CN202193744U - Dimethoxymethane production device - Google Patents
Dimethoxymethane production device Download PDFInfo
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- CN202193744U CN202193744U CN2011203366295U CN201120336629U CN202193744U CN 202193744 U CN202193744 U CN 202193744U CN 2011203366295 U CN2011203366295 U CN 2011203366295U CN 201120336629 U CN201120336629 U CN 201120336629U CN 202193744 U CN202193744 U CN 202193744U
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- rectifying tower
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Abstract
The utility model relates to a dimethoxymethane production device. The technical scheme includes that the dimethoxymethane production device comprises a rectification tower (1), a feeding device, a reboiler (4) and a condensing device, wherein the feeding device consists of a mixer (2) and a pre-reactor (3), and the condensing device comprises a condenser (5), a reflux tank (6) and a reflux pump (7). The rectification tower (1) is provided with trough type distributors (8 and 11), padding sections (9 and 12), a liquid collector (10) and ports connected with the devices. The devices are sequentially connected in a way that the mixer (2), the pre-reactor (3) and the rectification tower (1) are in sequential connection, the reboiler (4) is connected with the lower portion of the rectification tower (1), the top of the rectification tower (1) is connected with the condenser (5) which is connected with the reflux tank (6), and the reflux tank (6) is connected with the reflux pump (7) which is connected with a reflux inlet of the rectification tower (1). The dimethoxymethane production device has the advantages that raw materials can be recycled so that utilizing rate of the raw materials is increased, and equipment cost can be reduced due to the integrated rectification tower.
Description
Technical field
The utility model relates to a kind of methylal production unit field, relates in particular to a kind of methylal production equipment.
Background technology
In recent years, conventional sulfuric acid system methylal, serious to corrosion on Equipment, and the recirculation utilising efficiency of raw material is low, and the equipment of producing methylal is more, and manufacturing cost is higher.
With the immediate prior art of the utility model be that notification number is: the utility model patent of CN201686631U; It discloses a kind of production equipment of methylal; Has rectifying tower; Rectifying tower inside comprises from top to bottom successively: the tower tray section of the first wire packing section of section, gas-liquid separation, catalyst filling section, gas-liquid two-phase, second wire packing section and the tower top section at the bottom of the tower; The tower tray section of rectifying tower is connected with and is used for methyl alcohol and formaldehyde carries out liquid reactive fixed bed catalyst reactor drum, and tower top section is connected with condensing surface, and tower top section is connected to return tank through the condensing surface that connects above that.The deficiency of this complete equipment has: rectifying tower will combine the fixed bed catalyst reactor drum of tower tray section to react to make methylal, and it need adopt multistage tower tray section, adopts equipment unit more, and equipment cost is high, and raw material availability is not high.
Summary of the invention
The utility model provides a kind of rectifying tower that has the integrated form tower tray, methylal production equipment of material mixer of comprising in order to solve deficiency of the prior art, adopts this device can realize the raw material recycle.
The utility model is realized through following technical measures: a kind of methylal production equipment; Comprise rectifying tower, feeding device; Reboiler and condensing works, rectifying tower inside comprise first groove type distributor, first packing section, liquid trap, second groove type distributor and second packing section from top to bottom successively; The rectifying tower cat head is provided with pneumatic outlet, is provided with reflux inlet above first groove type distributor, and corresponding liquid trap position is provided with the feed(raw material)inlet, is provided with the gas inlet below second packing section, and the bottom is provided with liquid exit and waste liquid outlet; Feeding device is connected with the feed(raw material)inlet; Reboiler connects the gas feed and the liquid exit of rectifying tower respectively, and condensing works connects the pneumatic outlet and the reflux inlet of rectifying tower respectively; Condensing works is provided with product outlet and wastewater outlet.My scheme of designing and this utility model structurally have bigger improvement.Rectifying tower in the present technique scheme has removed traditional tower tray reactor drum, reacts with integrated two-layer packing section catalysis, simplifies the structure, and has reduced the manufacturing cost of equipment.
As preferably, above-mentioned feeding device comprises mixing tank and the pre-reactor that connects successively, and mixing tank top is provided with two feeding mouths, and pre-reactor is connected with the feed(raw material)inlet of rectifying tower.
Above-mentioned reboiler top is the air outlet, and the bottom is a fluid inlet; The reboiler air outlet connects the gas feed of rectifying tower, and the reboiler fluid inlet connects the liquid exit of rectifying tower.
The pneumatic outlet of above-mentioned rectifying tower is connected with condensing works, and condensing works comprises condensing surface, return tank and the reflux pump that connects successively; Reflux pump connects the reflux inlet of rectifying tower.
Above-mentioned return tank is provided with product outlet and wastewater outlet.
Above-mentioned first slot type is provided with the backflow shower nozzle directly over the device respectively, and the other end of backflow shower nozzle is connected with reflux inlet.
The beneficial effect of the utility model is: increased mixing tank and made mixing of formaldehyde and methyl alcohol and its proportioning can realize real-time control; Convenient follow-up circulation; The structure of rectifying tower is integrated traditional tower tray reactor drum, condensing works has not only been realized the extraction of methylal, and can circulate residual raw material again; Such circulation can improve utilization ratio of raw materials, and has saved the manufacturing cost of equipment.
Description of drawings
Accompanying drawing is the structural representation of the utility model embodiment.
Among the figure, 1, rectifying tower, 2, mixing tank, 3, pre-reactor, 4, reboiler, 5, condensing surface; 6, return tank, 7, reflux pump, 8, first groove type distributor, 9, first packing section, 10, liquid trap, 11, second groove type distributor; 12, second packing section, 13, pneumatic outlet, 14, reflux inlet, 15 backflow shower nozzles, 16, the feed(raw material)inlet; 17, gas feed, 18, liquid exit, 19, waste liquid outlet, 20, product outlet, 21, wastewater outlet.
Embodiment
For clearly demonstrating the technical characterstic of this programme, below through an embodiment, and combine its accompanying drawing, this programme is set forth.
Shown in accompanying drawing, a kind of methylal production equipment, the feeding device, reboiler 4 and the condensing works of forming by condensing surface 5, return tank 6 and reflux pump 7 that comprise rectifying tower 1, form by mixing tank 2 and pre-reactor 3.
Rectifying tower 1 inside comprises first groove type distributor 8, first packing section 9, liquid trap 10, second groove type distributor 11 and second packing section 12 from top to bottom successively; The rectifying tower cat head is provided with pneumatic outlet 13; The first groove type distributor top is provided with backflow shower nozzle 15; Be connected with reflux inlet 14 with backflow shower nozzle 15; Corresponding liquid trap position is provided with and is provided with gas feed 17 below 16, the second packing section of feed(raw material)inlet, and the bottom is provided with liquid exit 18 and waste liquid outlet 19.
Return tank 6 is provided with product outlet 20 and wastewater outlet 21.
Wherein, The annexation of each device is: mixing tank 1 is connected with pre-reactor 2, and pre-reactor 2 is connected with the feed(raw material)inlet 16 of rectifying tower 1, and reboiler 4 connects the pneumatic outlet 17 and liquid exit 18 of rectifying tower respectively; The pneumatic outlet 13 of rectifying tower connects condensing surface 5; Condensing surface 5 connects return tank 6, and return tank 6 connects reflux pump 7, and reflux pump 7 connects the reflux inlet 14 of rectifying tower.
In addition, be filled in first packing section 9 and second packing section 12 in the wire packing for the solid resin catalyzer.
As shown in the figure, formaldehyde and the methanol solution ratio of 1.1-1.3 in molar ratio feed 2 li in mixing tank, in the pre-reactor 3 of flowing through, carry out liquid phase reaction then; Get into rectifying tower 1 then, the raw materials mixed liquid flow is through liquid trap 10, to 11 li of second groove type distributors; Can trickle down uniformly on second packing section 12, react under the effect of the catalyzer of in second packing section 12, filling, and the excess liquid bottom that can fall rectifying tower flows to reboiler 4 through liquid exit 18 and heats; Blended liquid is heated into mixing steam in reboiler; Blended steam just gets into rectifying tower 1 inside through gas feed 17, and synthetic methylal steam just flows out along the pneumatic outlet 13 of top of tower under the air pressure of steam, through condensing surface 5 condensations; And in 6 li purifications of return tank; The methylal that warp is purified is flowed out by the product outlet 20 of return tank, and wherein isolating water is flowed out by wastewater outlet 21, and the remaining liquid that contains raw material feeds the reflux inlet 14 of rectifying tower 1 through reflux pump 7.Raw material through reclaiming is sprayed onto 8 li of first groove type distributors through backflow shower nozzle 15; Get into first packing section 9 then and continue reaction; Like this circulating reaction, unnecessary waste liquid flows out through the waste liquid outlet 19 of rectifier bottoms, and can carry out recycling after the purification of raw material.
The utility model can pass through existing techniques in realizing without the technical characterictic of describing, and repeats no more at this.Certainly; Above-mentioned explanation is not to be the restriction to the utility model; The utility model also be not limited in above-mentioned for example, variation, remodeling, interpolation or replacement that those skilled in the art are made in the essential scope of the utility model also should belong to the protection domain of the utility model.
Claims (6)
1. methylal production equipment; Comprise rectifying tower (1), feeding device; Reboiler (4) and condensing works; It is characterized in that said rectifying tower inside comprises first groove type distributor (8), first packing section (9), liquid trap (10), second groove type distributor (11) and second packing section (12) from top to bottom successively; Said rectifying tower (1) cat head is provided with pneumatic outlet (13); Be provided with reflux inlet (14) above first groove type distributor (8); Corresponding liquid trap (10) position is provided with feed(raw material)inlet (16); Be provided with gas inlet (17) below second packing section (12), the bottom is provided with liquid exit (18) and waste liquid outlet (19); Said feeding device is connected with feed(raw material)inlet (16), and said reboiler (4) connects the pneumatic outlet (17) and the liquid exit (18) of rectifying tower respectively, and said condensing works connects the pneumatic outlet (13) and the reflux inlet (14) of rectifying tower respectively; Said condensing works is provided with product outlet (20) and wastewater outlet (21).
2. methylal production equipment according to claim 1 is characterized in that, said feeding device comprises mixing tank (2) and the pre-reactor (3) that connects successively; Said mixing tank (2) top is provided with two feeding mouths, and said pre-reactor (3) is connected with the feed(raw material)inlet (16) of rectifying tower.
3. methylal production equipment according to claim 1 is characterized in that, said reboiler (4) top is the air outlet, and the bottom is a fluid inlet; The reboiler air outlet connects the gas inlet (17) of rectifying tower, and the reboiler fluid inlet connects the liquid exit (18) of rectifying tower.
4. methylal production equipment according to claim 1 is characterized in that, said condensing works comprises condensing surface (5), return tank (6) and the reflux pump (7) that connects successively; Said reflux pump (7) connects the reflux inlet (14) of rectifying tower.
5. methylal production equipment according to claim 4 is characterized in that, said return tank (6) is provided with product outlet (20) and wastewater outlet (21).
6. methylal production equipment according to claim 1 is characterized in that, is provided with backflow shower nozzle (15) directly over said first groove type distributor (8), and the other end of said backflow shower nozzle (15) is connected with reflux inlet (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203366295U CN202193744U (en) | 2011-09-08 | 2011-09-08 | Dimethoxymethane production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203366295U CN202193744U (en) | 2011-09-08 | 2011-09-08 | Dimethoxymethane production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202193744U true CN202193744U (en) | 2012-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203366295U Expired - Lifetime CN202193744U (en) | 2011-09-08 | 2011-09-08 | Dimethoxymethane production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202193744U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103524478A (en) * | 2013-10-24 | 2014-01-22 | 青岛科技大学 | Device and method for shortening ketalation time in ibuprofen synthesis process |
| CN103599740A (en) * | 2013-11-28 | 2014-02-26 | 临沂远博化工有限公司 | Nitromethane synthesis reaction tower |
| CN103936569A (en) * | 2014-04-08 | 2014-07-23 | 江苏凯茂石化科技有限公司 | High-concentration dimethoxymethane production technology device and method |
-
2011
- 2011-09-08 CN CN2011203366295U patent/CN202193744U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103524478A (en) * | 2013-10-24 | 2014-01-22 | 青岛科技大学 | Device and method for shortening ketalation time in ibuprofen synthesis process |
| CN103524478B (en) * | 2013-10-24 | 2015-04-08 | 青岛科技大学 | Device and method for shortening ketalation time in ibuprofen synthesis process |
| CN103599740A (en) * | 2013-11-28 | 2014-02-26 | 临沂远博化工有限公司 | Nitromethane synthesis reaction tower |
| CN103599740B (en) * | 2013-11-28 | 2015-07-29 | 临沂远博化工有限公司 | A kind of nitromethane synthetic reaction tower |
| CN103936569A (en) * | 2014-04-08 | 2014-07-23 | 江苏凯茂石化科技有限公司 | High-concentration dimethoxymethane production technology device and method |
| CN103936569B (en) * | 2014-04-08 | 2016-03-30 | 江苏凯茂石化科技有限公司 | A kind of high-concentration methylal production technique apparatus and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181218 Address after: 100037 Beijing Haidian District Chegongzhuang West Road No. 19 2 Floor 207-3 Patentee after: Beijing Sino European Institute of science and technology Address before: 250101 Zhengfeng Building, Zhengfeng Road, Jinan High-tech Zone, Shandong Province Patentee before: JINAN LIANXING PETROCHEMICAL CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120418 |
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| CX01 | Expiry of patent term |