CN102952007A - Production device capable of producing 100,000 tons of formic acid per unit per year - Google Patents
Production device capable of producing 100,000 tons of formic acid per unit per year Download PDFInfo
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- CN102952007A CN102952007A CN2012104645815A CN201210464581A CN102952007A CN 102952007 A CN102952007 A CN 102952007A CN 2012104645815 A CN2012104645815 A CN 2012104645815A CN 201210464581 A CN201210464581 A CN 201210464581A CN 102952007 A CN102952007 A CN 102952007A
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Abstract
The invention discloses a production device capable of producing 100,000 tons of formic acid per unit per year, which mainly comprises a carbonyl reactor, a methyl ester rectifying tower, a methyl ester storage tank, a first hydrolysis reactor, a second hydrolysis reactor, a primary acid tower, a secondary acid tower and a tertiary acid tower, wherein the bottom outlet of the carbonyl reactor is connected with the middle inlet of the methyl ester rectifying tower, the top condensate of the methyl ester rectifying tower is connected with the top of the methyl ester storage tank, the bottom outlet of the methyl ester storage tank is connected with the bottom of the first hydrolysis reactor, the upper outlet of the first hydrolysis reactor is connected with the lower inlet of the second hydrolysis reactor, the upper outlet of the second hydrolysis reactor is connected with the middle inlet of the primary acid tower, the bottom outlet of the primary acid tower is connected with the middle inlet of the secondary acid tower, the lower outlet of the secondary acid tower is connected with the middle inlet of the tertiary acid tower, carbon monoxide gas distributors are arranged in the carbonyl reactor, and the first hydrolysis reactor and the second hydrolysis reactor adopt an internal heating method. The production device capable of producing 100,000 tons of formic acid per unit per year has the advantages that the device is safe and simple to operate, the production links are reduced, the production cost is decreased, the service life of equipment is prolonged and the economic benefits are improved.
Description
Technical field
The present invention relates to a ton Formic Acid Production Process field, relate in particular to the production equipment that a kind of single cover is produced 100000 tons of formic acid per year.
Background technology
The formic acid production equipment of prior art, carbonyl reaction device wherein, its built-in gas distributor is spray nozzle type, the distribution weak effect, easily obstruction, and the reactor top used filler of tower part is dumped packing, the gas-to-liquid contact area is little; The methyl esters rectifying tower adopts valve tray column, inferior separating effect; Hydrolyzer adopts external heating, and heat exchange efficiency is poor; Methyl esters, methyl alcohol and formic acid, water can not get sharp separation, have increased the probability of backward reaction, have reduced hydrolysis effect etc.And throughput is little, and production cost is high, and wanting to expand can, can only increase number of devices on existing basis, has increased the loaded down with trivial details of production link, has also increased floor space.
Summary of the invention
Purpose of the present invention is exactly the problems referred to above and the deficiency that exists in order to solve prior art; Provide a kind of single cover to produce the production equipment of 100,000 tons of formic acid per year; Device operational safety of the present invention is simple, improved carbon monoxide transformation efficiency and separating effect; Strengthen heat interchanging area, improve heat exchange efficiency, improve hydrolysis conversion; Favorable anti-corrosion effect, extension device work-ing life; Reduce production link, reduced the production cost of formic acid, improved economic benefit.
To achieve these goals, the present invention adopts following technical scheme:
A kind of single cover is produced the production equipment of 100,000 tons of formic acid per year, mainly comprise the carbonyl reaction device, the methyl esters rectifying tower, the methyl esters storage tank, the first hydrolysis reactor, the second hydrolysis reactor, one acid tower, two acid towers, three acid towers, wherein the outlet at bottom of carbonyl reaction device is connected with the centre inlet of methyl esters rectifying tower, the overhead condensation liquid of methyl esters rectifying tower is connected with the top of methyl esters storage tank, the outlet at bottom of methyl esters storage tank is connected with the bottom of the first hydrolysis reactor, the top outlet of the first hydrolysis reactor is connected with the lower inlet of the second hydrolysis reactor, the top outlet of the second hydrolysis reactor is connected with the centre inlet of an acid tower, the outlet at bottom of one acid tower is connected with the centre inlet of two acid towers, the lower part outlet of two acid towers is connected with three acid tower centre inlet, establish the CO (carbon monoxide converter) gas sparger in the described carbonyl reaction device, the first hydrolysis reactor, the second hydrolysis reactor adopts built-in heating.
Described carbonyl reaction device comprises lower cylindrical shaped reaction device, the top tower that connects by flange, and described cylindrical reactor diameter is greater than the tower diameter, and the CO (carbon monoxide converter) gas sparger is located in the cylindrical reactor, and the reactor internal upper part is provided with corrugated regular filler.
Described gas distributor is the float-valve type gas distributor, and described tower adopts float valve and integrated fillers structure; Be provided with three sections shell and tube heating zones in the described one-stage hydrolysis reactor, be provided with two sections shell and tube heating zones in the secondary hydrolysis reactor.
Described cylindrical reactor diameter is that diameter and height dimension are
Described tower diameter and height dimension are
The diameter of described methyl esters rectifying tower and height dimension are
The diameter of described methyl esters storage tank and height dimension are
The diameter of described the first hydrolysis reactor and height dimension are
The diameter of the second hydrolysis reactor and height dimension are
A described acid tower is that the bottom is that minor diameter, top are large diameter column structure, and middle by the tapered segment connection, tapered segment is flashing chamber.Methyl esters, methyl alcohol are separated rapidly with formic acid and water, reduce the generation of reversible reaction, be fit to the characteristic of hydrolysis material.
The upper diameter of a described acid tower, lower diameter, height dimension are
The diameter of described two acid towers and height dimension are
The diameter of three acid towers and height dimension are
A described acid tower, two acid towers, three acid towers adopt corrosion resistant titanium, zirconium metallic substance to make.
Beneficial effect of the present invention:
1. adopt the float-valve type gas distributor, the reactor internal upper part is filled corrugated regular filler, not only prevented solid impurity in the reactor obstruction, but also improved the distribution effect, the carbon monoxide transformation efficiency can improve 2%;
2. the methyl esters rectifying tower adopts the tower that float valve and filler are integrated, and has not only improved throughput, but also has improved separating effect;
3. hydrolysis reactor adopts built-in heating, wherein is designed with three sections shell and tube heating zones in the one-stage hydrolysis device, is designed with two sections shell and tube heating zones in the secondary hydrolyzer, strengthens heat interchanging area, improves heat exchange efficiency, improves hydrolysis conversion;
4. an acid tower, two acid towers, three acid towers adopt the Special Metal such as corrosion resistant titanium, zirconium to make, favorable anti-corrosion effect, extension device work-ing life;
5. this covering device continuity is strong, is easy to processing, and operational safety is stable, has reduced the production cost of formic acid.
Description of drawings
Fig. 1 is structural representation of the present invention;
Wherein, 1, the carbonyl reaction device, 2, the methyl esters rectifying tower, 3, the methyl esters storage tank, the 4, first hydrolyzer, the 5, second hydrolyzer, 6, one acid tower, 7, two acid towers, 8, three acid towers.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing and embodiment.
A kind of single cover is produced the production equipment of 100,000 tons of formic acid per year, mainly comprise carbonyl reaction device 1, methyl esters rectifying tower 2, methyl esters storage tank 3, the first hydrolysis reactor 4, the second hydrolysis reactor 5, one acid tower 6, two acid towers 7, three acid towers 8, wherein the outlet at bottom of carbonyl reaction device 1 is connected with the centre inlet of methyl esters rectifying tower 2, the overhead condensation liquid of methyl esters rectifying tower 2 is connected with the top of methyl esters storage tank 3, the outlet at bottom of methyl esters storage tank 3 is connected with the bottom of the first hydrolysis reactor 4, the top outlet of the first hydrolysis reactor 4 is connected with the lower inlet of the second hydrolysis reactor 5, the top outlet of the second hydrolysis reactor 5 is connected with the centre inlet of an acid tower 6, the outlet at bottom of one acid tower 6 is connected with the centre inlet of two acid towers 7, the lower part outlet of two acid towers 7 is connected with three acid towers, 8 centre inlet, establish the CO (carbon monoxide converter) gas sparger in the described carbonyl reaction device 1, the first hydrolysis reactor 4, the second hydrolysis reactor 5 adopts built-in heating.
Described carbonyl reaction device 1 comprises lower cylindrical shaped reaction device, the top tower that connects by flange, described cylindrical reactor diameter is greater than the tower diameter, the CO (carbon monoxide converter) gas sparger is located in the cylindrical reactor, and the reactor internal upper part is provided with corrugated regular filler.
Described gas distributor is the float-valve type gas distributor, and described tower adopts float valve and integrated fillers structure; Be provided with three sections shell and tube heating zones in the described one-stage hydrolysis reactor 4, be provided with two sections shell and tube heating zones in the secondary hydrolysis reactor 5.
Described cylindrical reactor diameter is that diameter and height dimension are
Described tower diameter and height dimension are
The diameter of described methyl esters rectifying tower 2 and height dimension are
The diameter of described methyl esters storage tank 3 and height dimension are
The diameter of described the first hydrolysis reactor 4 and height dimension are
The diameter of the second hydrolysis reactor 5 and height dimension are
A described acid tower 6 is that minor diameter, top are large diameter column structure for the bottom, and middle by the tapered segment connection, tapered segment is flashing chamber.Methyl esters, methyl alcohol are separated rapidly with formic acid and water, reduce the generation of reversible reaction, strengthened hydrolysis effect, be fit to the characteristic of hydrolysis material.
The upper diameter of a described acid tower 6, lower diameter, height dimension are
The diameter of described two acid towers 7 and height dimension are
The diameter of three acid towers 8 and height dimension are
A described acid tower 6, two acid towers 7, three acid towers 8 adopt corrosion resistant titanium, zirconium metallic substance to make.
The float-valve type gas distributor, not only prevented solid impurity in the reactor obstruction, but also improved the distribution effect, the carbon monoxide transformation efficiency can improve 2%; The tower that methyl esters rectifying tower 2 adopts float valve and filler to be integrated, not only improve throughput, but also improved separating effect, the first hydrolysis reactor 4, the second hydrolysis reactor 5 adopt built-in heating, one acid tower 6, two acid towers 7, three acid towers 8 adopt the Special Metal such as corrosion resistant titanium, zirconium to make, favorable anti-corrosion effect, extension device work-ing life, use the special materials such as domestic TA10, zirconium, manufacturing cost and use cost is low; This covering device continuity is strong, is easy to processing, and operational safety is stable.
Although above-mentioned by reference to the accompanying drawings to the invention embodiment be described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (9)
1. a list overlaps the production equipment of producing 100000 tons of formic acid per year, it is characterized in that, comprise the carbonyl reaction device, the methyl esters rectifying tower, the methyl esters storage tank, the first hydrolysis reactor, the second hydrolysis reactor, one acid tower, two acid towers, three acid towers, wherein the outlet at bottom of carbonyl reaction device is connected with the centre inlet of methyl esters rectifying tower, the cat head of methyl esters rectifying tower is connected with the top of phlegma methyl esters storage tank, the outlet at bottom of methyl esters storage tank is connected with the bottom of the first hydrolysis reactor, the top outlet of the first hydrolysis reactor is connected with the lower inlet of the second hydrolysis reactor, the top outlet of the second hydrolysis reactor is connected with the centre inlet of an acid tower, the outlet at bottom of one acid tower is connected with the centre inlet of two acid towers, the lower part outlet of two acid towers is connected with three acid tower centre inlet, be provided with the CO (carbon monoxide converter) gas sparger in the described carbonyl reaction device, the first hydrolysis reactor, the second hydrolysis reactor adopts built-in heating.
2. single cover as claimed in claim 1 is produced the production equipment of 100,000 tons of formic acid per year, it is characterized in that, described carbonyl reaction device comprises lower cylindrical shaped reaction device, the top tower that connects by flange, described cylindrical reactor diameter is greater than the tower diameter, the CO (carbon monoxide converter) gas sparger is located in the cylindrical reactor, and the reactor internal upper part is provided with corrugated regular filler.
3. single cover as claimed in claim 2 is produced the production equipment of 100,000 tons of formic acid per year, it is characterized in that, described gas distributor is the float-valve type gas distributor, and described tower adopts float valve and integrated fillers structure; Be provided with three sections shell and tube heating zones in the described one-stage hydrolysis reactor, be provided with two sections shell and tube heating zones in the secondary hydrolysis reactor.
4. single cover as claimed in claim 2 is produced the production equipment of 100,000 tons of formic acid per year, it is characterized in that, described cylindrical reactor diameter is that diameter and height dimension are
Described tower diameter and height dimension are
5. single cover as claimed in claim 1 is produced the production equipment of 100,000 tons of formic acid per year, it is characterized in that, the diameter of described methyl esters rectifying tower and height dimension are
The diameter of described methyl esters storage tank and height dimension are
Mm.
6. single cover as claimed in claim 1 is produced the production equipment of 100,000 tons of formic acid per year, it is characterized in that, the diameter of described the first hydrolysis reactor and height dimension are
The diameter of the second hydrolysis reactor and height dimension are
7. single cover as claimed in claim 1 is produced the production equipment of 100,000 tons of formic acid per year, it is characterized in that, a described acid tower is that the bottom is that minor diameter, top are large diameter column structure, and middle by the tapered segment connection, tapered segment is flashing chamber.
8. single cover as claimed in claim 1 is produced the production equipment of 100,000 tons of formic acid per year, it is characterized in that, the upper diameter of a described acid tower, lower diameter, height dimension are
The diameter of described two acid towers and height dimension are
The diameter of described three acid towers and height dimension are
9. single cover as claimed in claim 1 is produced the production equipment of 100,000 tons of formic acid per year, it is characterized in that, a described acid tower, two acid towers, three acid towers adopt corrosion resistant titanium, zirconium metallic substance to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210464581.5A CN102952007B (en) | 2012-11-19 | 2012-11-19 | Production device capable of producing 100,000 tons of formic acid per unit per year |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210464581.5A CN102952007B (en) | 2012-11-19 | 2012-11-19 | Production device capable of producing 100,000 tons of formic acid per unit per year |
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| CN102952007A true CN102952007A (en) | 2013-03-06 |
| CN102952007B CN102952007B (en) | 2015-01-21 |
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| CN201210464581.5A Active CN102952007B (en) | 2012-11-19 | 2012-11-19 | Production device capable of producing 100,000 tons of formic acid per unit per year |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110627635A (en) * | 2019-09-04 | 2019-12-31 | 聊城鲁西甲酸化工有限公司 | System and process for recycling residual heat of diacid tower bottoms |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805252A (en) * | 2010-04-06 | 2010-08-18 | 南京工业大学 | Process for producing formic acid |
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- 2012-11-19 CN CN201210464581.5A patent/CN102952007B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805252A (en) * | 2010-04-06 | 2010-08-18 | 南京工业大学 | Process for producing formic acid |
Non-Patent Citations (2)
| Title |
|---|
| 余中心: "甲酸合成方法的进展", 《湖南化工》 * |
| 唐文骞等: "甲酸甲酯水解法生产甲酸", 《化肥工业》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110627635A (en) * | 2019-09-04 | 2019-12-31 | 聊城鲁西甲酸化工有限公司 | System and process for recycling residual heat of diacid tower bottoms |
| CN110627635B (en) * | 2019-09-04 | 2022-10-28 | 聊城鲁西甲酸化工有限公司 | System and process for recycling residual heat of diacid tower bottoms |
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| CN102952007B (en) | 2015-01-21 |
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Address after: 252000 Luxi group residence in Liaocheng chemical industry park, Shandong Province Patentee after: Liaocheng Luxi formic acid Chemical Co., Ltd Address before: 252000 Shandong Province, Liaocheng City Development Zone, Gu Guan Tun Town resident Patentee before: Liaocheng Meishan New Material Science & Technology Co., Ltd. |