CN102952007B - 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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- CN102952007B CN102952007B CN201210464581.5A CN201210464581A CN102952007B CN 102952007 B CN102952007 B CN 102952007B CN 201210464581 A CN201210464581 A CN 201210464581A CN 102952007 B CN102952007 B CN 102952007B
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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, particularly relate to the production equipment of a kind of single cover annual output 100000 tons of formic acid.
Background technology
The formic acid production equipment of prior art, carbonyl reaction device wherein, its built-in gas distributor is spray nozzle type, and distributed effect is poor, easily blocks, and reactor top tower part filler used is dumped packing, and gas liquid interfacial area is little; 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, add the probability of backward reaction, reduce hydrolysis effect etc.And throughput is little, production cost is high, and want to expand, can only increase number of devices on existing basis, adds the loaded down with trivial details of production link, too increases floor space.
Summary of the invention
Object of the present invention be exactly in order to solve prior art exist the problems referred to above and deficiency; The production equipment of a kind of single cover annual output 100000 tons of formic acid is provided; Device operational safety of the present invention is simple, improve CO conversion 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, reduce the production cost of formic acid, improve economic benefit.
To achieve these goals, the present invention adopts following technical scheme:
The production equipment of a kind of single cover annual output 100000 tons of formic acid, mainly comprise carbonyl reaction device, methyl esters rectifying tower, methyl esters storage tank, first hydrolysis reactor, 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 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 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, CO (carbon monoxide converter) gas sparger is established in described carbonyl reaction device, first hydrolysis reactor, second hydrolysis reactor adopts built-in heating.
Described carbonyl reaction device comprises lower cylindrical shaped reaction device, top tower by Flange joint, and described cylindrical reactor diameter is greater than tower diameter, and CO (carbon monoxide converter) gas sparger is located in cylindrical reactor, and reactor internal upper part is provided with corrugated regular filler.
Described gas distributor is float-valve type gas distributor, and described tower adopts float valve and integrated fillers structure; Be provided with three sections of shell and tube heating zones in described one-stage hydrolysis reactor, in secondary hydrolysis reactor, be provided with two sections of shell and tube heating zones.
Described cylindrical reactor diameter is diameter and height dimension
described tower diameter and height dimension are
Diameter and the height dimension of described methyl esters rectifying tower are
diameter and the height dimension of described methyl esters storage tank are
Diameter and the height dimension of described first hydrolysis reactor are
the diameter of the second hydrolysis reactor and height dimension are
A described acid tower is bottom is minor diameter, top is large diameter column structure, and centre is connected by tapered segment, and tapered segment is flashing chamber.Methyl esters, methyl alcohol are separated rapidly with formic acid and water, reduce the generation of reversible reaction, be applicable to the characteristic of hydrolysis material.
The upper diameter of a described acid tower, lower diameter, height dimension are
diameter and the height dimension of described two acid towers 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 float-valve type gas distributor, reactor internal upper part fills corrugated regular filler, and both prevented the blocking of solid impurity in reactor, turn improved distributed effect, CO conversion can improve 2%;
2. 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, is wherein designed with three sections of shell and tube heating zones in one-stage hydrolysis device, is designed with two sections of shell and tube heating zones in 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, and be easy to processing, operational safety is stablized, and reduces the production cost of formic acid.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Wherein, 1, carbonyl reaction device, 2, methyl esters rectifying tower, 3, 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
Below in conjunction with accompanying drawing and embodiment, the present invention will be further described.
The production equipment of a kind of single cover annual output 100000 tons of formic acid, mainly comprise carbonyl reaction device 1, methyl esters rectifying tower 2, methyl esters storage tank 3, first hydrolysis reactor 4, 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 upper outlet of the first hydrolysis reactor 4 is connected with the lower inlet of the second hydrolysis reactor 5, the upper 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 tower 8 centre inlet, CO (carbon monoxide converter) gas sparger is established in described carbonyl reaction device 1, first hydrolysis reactor 4, second hydrolysis reactor 5 adopts built-in heating.
Described carbonyl reaction device 1 comprises lower cylindrical shaped reaction device, top tower by Flange joint, described cylindrical reactor diameter is greater than tower diameter, CO (carbon monoxide converter) gas sparger is located in cylindrical reactor, and reactor internal upper part is provided with corrugated regular filler.
Described gas distributor is float-valve type gas distributor, and described tower adopts float valve and integrated fillers structure; Be provided with three sections of shell and tube heating zones in described one-stage hydrolysis reactor 4, in secondary hydrolysis reactor 5, be provided with two sections of shell and tube heating zones.
Described cylindrical reactor diameter is diameter and height dimension
described tower diameter and height dimension are
Diameter and the height dimension of described methyl esters rectifying tower 2 are
diameter and the height dimension of described methyl esters storage tank 3 are
Diameter and the height dimension of described first hydrolysis reactor 4 are
diameter and the height dimension of the second hydrolysis reactor 5 are
A described acid tower 6 for bottom be minor diameter, top is large diameter column structure, middlely connected by tapered segment, tapered segment is flashing chamber.Methyl esters, methyl alcohol are separated rapidly with formic acid and water, reduce the generation of reversible reaction, strengthen hydrolysis effect, be applicable to the characteristic of hydrolysis material.
The upper diameter of a described acid tower 6, lower diameter, height dimension are
Diameter and the height dimension of described two acid towers 7 are
diameter and the height dimension of three acid towers 8 are
Described acid tower 6, two acid tower 7, three acid tower 8 adopts corrosion resistant titanium, zirconium metallic substance to make.
Float-valve type gas distributor, had both prevented the blocking of solid impurity in reactor, had turn improved distributed effect, and CO conversion 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 improve separating effect, first hydrolysis reactor 4, second hydrolysis reactor 5 adopts built-in heating, one acid tower 6, two acid tower 7, three acid tower 8 adopts 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 stablized.
By reference to the accompanying drawings the embodiment of invention is described although above-mentioned; but 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 amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (6)
1. the production equipment of a single cover annual output 100000 tons of formic acid, it is characterized in that, comprise carbonyl reaction device, methyl esters rectifying tower, methyl esters storage tank, first hydrolysis reactor, 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 tower top 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 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 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, CO (carbon monoxide converter) gas sparger is provided with in described carbonyl reaction device, first hydrolysis reactor, second hydrolysis reactor adopts built-in heating, a described acid tower is bottom is minor diameter, top is large diameter column structure, and centre is connected by tapered segment, and tapered segment is flashing chamber, described carbonyl reaction device comprises lower cylindrical shaped reaction device, top tower by Flange joint, and described cylindrical reactor diameter is greater than tower diameter, and CO (carbon monoxide converter) gas sparger is located in cylindrical reactor, and reactor internal upper part is provided with corrugated regular filler, described gas distributor is float-valve type gas distributor, and described tower adopts float valve and integrated fillers structure, be provided with three sections of shell and tube heating zones in described one-stage hydrolysis reactor, in secondary hydrolysis reactor, be provided with two sections of shell and tube heating zones.
2. the production equipment of single cover annual output as claimed in claim 1 100,000 tons of formic acid, it is characterized in that, described cylindrical reactor diameter and height dimension are
3800mm*10000mm, described tower diameter and height dimension are
1200mm*8000mm.
3. the production equipment of single cover annual output as claimed in claim 1 100,000 tons of formic acid, it is characterized in that, diameter and the height dimension of described methyl esters rectifying tower are
2100mm*38000mm; Diameter and the height dimension of described methyl esters storage tank are
4000mm*12000mm.
4. the production equipment of single cover annual output as claimed in claim 1 100,000 tons of formic acid, it is characterized in that, diameter and the height dimension of described first hydrolysis reactor are
3200mm*19000mm, the diameter of the second hydrolysis reactor and height dimension are
1500mm*12000mm.
5. the production equipment of single cover annual output as claimed in claim 1 100,000 tons of formic acid, it is characterized in that, the upper diameter of a described acid tower, lower diameter, height dimension are
3200mm/
2200mm*38000mm; Diameter and the height dimension of described three acid towers are
1600mm*28000mm.
6. the production equipment of single cover annual output as claimed in claim 1 100,000 tons of formic acid, 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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| Publication Number | Publication Date |
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| CN102952007A CN102952007A (en) | 2013-03-06 |
| CN102952007B true CN102952007B (en) | 2015-01-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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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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 |
|---|
| 甲酸合成方法的进展;余中心;《湖南化工》;19851231;第62卷(第3期);第47-52页 * |
| 甲酸甲酯水解法生产甲酸;唐文骞等;《化肥工业》;19960628;第23卷(第3期);第56-57页 * |
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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. |