CN200951992Y - Formaldehyde producing equipment - Google Patents
Formaldehyde producing equipment Download PDFInfo
- Publication number
- CN200951992Y CN200951992Y CN 200620088193 CN200620088193U CN200951992Y CN 200951992 Y CN200951992 Y CN 200951992Y CN 200620088193 CN200620088193 CN 200620088193 CN 200620088193 U CN200620088193 U CN 200620088193U CN 200951992 Y CN200951992 Y CN 200951992Y
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- Prior art keywords
- formaldehyde
- oxidation reactor
- diameter
- methanol
- production equipment
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Abstract
Formaldehyde production equipment belongs to the technical field of chemical production equipment. The utility model is equipped with an oxidation reactor with larger diameter than the prior art, an filter with larger effective filtration area than the prior art, a superheater which is arranged vertically, a tail gas furnace which is provided additionally with a layer, and a dealcoholizing tower, wherein all above devices are connected with one another by pipelines, valves and pressure pumps. Compared with the prior art, the diameter of the oxidation reactor is increased by 5-15% and the effective filtration area of the filter is increased by 15-25%. With such improvement, the formaldehyde concentration reaches 45%, the content of methanol in the final product is adjustable within the range from 0.5% to 10%, the methanol consumption per ton of formaldehyde is below 430 kg, and the reutilization rate of tail gases is greatly increased. The utility model has the advantages of complete oxidation reaction, controllable methanol content in the final product, high formaldehyde concentration, low unit consumption of methanol per ton of formaldehyde, and low production cost.
Description
One, technical field
The utility model relates to a kind of Formaldehyde Production equipment, belongs to the chemical production equipment technical field.
Two, background technology
The comparatively general problem that existing Formaldehyde Production equipment exists is, the oxidation reactor diameter is less, do not have special dealcoholization device, superheater is horizontally-arranged, the strainer useful area is less, the device for recovering tail gas poor performance, above-mentioned reason causes oxidizing reaction insufficient, the bad control of methanol content in the product, concentration of formaldehyde can only remain on below 40%, the methyl alcohol unit consumption amount of ton formaldehyde is minimum to be 435 kilograms, makes that the products production cost is too high.
Three, summary of the invention
At the deficiencies in the prior art, the utility model provide a kind of reasonable in design, simple in structure, oxidizing reaction fully, the Formaldehyde Production equipment that methyl alcohol unit consumption amount is low, the products production cost is low of methanol content may command, concentration of formaldehyde height, ton formaldehyde in the product.
A kind of Formaldehyde Production equipment, comprise oxidation reactor, methanol evaporator, superheater, strainer, dealcoholize column, tail gas stove and formaldehyde absorbing tower, the diameter of oxidation reactor is bigger than existing oxidation reactor diameter, the effective filtration area of strainer is bigger than existing strainer, superheater is upright the setting, the tail gas stove is set up one deck, sets up a dealcoholize column; Said apparatus is connected with pressure pump is interrelated by pipeline, valve.
The diameter of described oxidation reactor increases 5-15% than the diameter of existing oxidation reactor.
Described filter effective area increases 15-25% than existing filter effective area.
In formaldehyde dirt product process, methyl alcohol constantly adds from the methyl alcohol import, and methyl alcohol enters methanol evaporator at formaldehyde absorbing tower after hot formaldehyde preheating.The methyl alcohol that heating becomes gas through methanol evaporator enters oxidation reactor by strainer after superheater further heats.React by oxidation reactor, the formaldehyde gas that contains methyl alcohol enters formaldehyde absorbing tower, absorb through formaldehyde absorbing tower, most of formaldehyde liquid flows into the formaldehyde absorbing tower orlop, the formaldehyde liquid that part contains methyl alcohol enters dealcoholize column from the middle one deck of formaldehyde absorbing tower, after the dealcoholysis, formaldehyde is squeezed into formaldehyde absorbing tower by pressure pump, and methyl alcohol is collected from methyl alcohol extraction mouth again and utilized.The formaldehyde tail gas that formaldehyde absorbing tower is discharged enters the tail gas stove, because the tail gas stove increases one deck thereby increased exchange capability of heat, makes the rate of recovery of formaldehyde tail gas increase.
Because the equipment advanced person makes concentration of formaldehyde can reach 45%, methanol content is adjustable between 0.5-10% in the product, and the methyl alcohol unit consumption amount of ton formaldehyde can reach below 430 kilograms, and the tail gas recycle utilization ratio improves greatly.
The utlity model has oxidizing reaction fully, the characteristics that the methyl alcohol consumption is low, the products production cost is low of methanol content may command, concentration of formaldehyde height, ton formaldehyde in the product.
Four, description of drawings
Accompanying drawing is a structural representation of the present utility model.
Wherein, 1, oxidation reactor, 2, methanol evaporator, 3, strainer, 4, superheater, 5, dealcoholize column, 6, the tail gas stove, 7, formaldehyde absorbing tower, 8, vapour outlet, 9, water-in, 10, the methyl alcohol import, 11, methyl alcohol extraction mouth, 12, formaldehyde extraction mouth.
Five, embodiment
Embodiment 1: structure of the present utility model as shown in drawings, a kind of Formaldehyde Production equipment, comprise oxidation reactor 1, methanol evaporator 2, superheater 4, strainer 3, dealcoholize column 5, tail gas stove 6 and formaldehyde absorbing tower 7, the diameter of oxidation reactor 1 is bigger than existing oxidation reactor diameter, the effective filtration area of strainer 3 is bigger than existing strainer, superheater 4 is upright the setting, and tail gas stove 6 is set up one deck, sets up a dealcoholize column 5; Said apparatus is connected with pressure pump is interrelated by pipeline, valve.
The diameter of described oxidation reactor increases by 5% than the diameter of existing oxidation reactor.
Described filter effective area increases by 15% than existing filter effective area.
Embodiment 2: structure of the present utility model is identical with embodiment 1, and difference is:
The diameter of described oxidation reactor increases by 10% than the diameter of existing oxidation reactor.
Described filter effective area increases by 20% than existing filter effective area.
Embodiment 3: structure of the present utility model is identical with embodiment 1, and difference is:
The diameter of described oxidation reactor increases by 15% than the diameter of existing oxidation reactor.
Described filter effective area increases by 25% than existing filter effective area.
Claims (3)
1, a kind of Formaldehyde Production equipment, comprise oxidation reactor, methanol evaporator, superheater, strainer, dealcoholize column, tail gas stove and formaldehyde absorbing tower, it is characterized in that, the diameter of oxidation reactor is bigger than existing oxidation reactor diameter, the effective filtration area of strainer is bigger than existing strainer, superheater is upright the setting, and the tail gas stove is set up one deck, sets up a dealcoholize column; Said apparatus is connected with pressure pump is interrelated by pipeline, valve.
2, a kind of Formaldehyde Production equipment as claimed in claim 1 is characterized in that, the diameter of described oxidation reactor increases 5-15% than the diameter of existing oxidation reactor.
3, a kind of Formaldehyde Production equipment as claimed in claim 1 is characterized in that, described filter effective area increases 15-25% than existing filter effective area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620088193 CN200951992Y (en) | 2006-08-25 | 2006-08-25 | Formaldehyde producing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620088193 CN200951992Y (en) | 2006-08-25 | 2006-08-25 | Formaldehyde producing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200951992Y true CN200951992Y (en) | 2007-09-26 |
Family
ID=38810289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620088193 Expired - Fee Related CN200951992Y (en) | 2006-08-25 | 2006-08-25 | Formaldehyde producing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200951992Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550073B (en) * | 2009-05-12 | 2013-03-13 | 范轩羽 | Equipment for producing high concentration dealcoholization formaldehyde and production technology thereof |
| CN103086854A (en) * | 2013-02-26 | 2013-05-08 | 河北凯跃化工集团有限公司 | Method and device for reducing methanol content in formaldehyde process by silver method |
| CN105732342A (en) * | 2016-03-25 | 2016-07-06 | 湖北三江化工有限责任公司 | Formaldehyde production method based on exhaust gas circulating process |
-
2006
- 2006-08-25 CN CN 200620088193 patent/CN200951992Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550073B (en) * | 2009-05-12 | 2013-03-13 | 范轩羽 | Equipment for producing high concentration dealcoholization formaldehyde and production technology thereof |
| CN103086854A (en) * | 2013-02-26 | 2013-05-08 | 河北凯跃化工集团有限公司 | Method and device for reducing methanol content in formaldehyde process by silver method |
| CN103086854B (en) * | 2013-02-26 | 2015-05-13 | 河北凯跃化工集团有限公司 | Method and device for reducing methanol content in formaldehyde process by silver method |
| CN105732342A (en) * | 2016-03-25 | 2016-07-06 | 湖北三江化工有限责任公司 | Formaldehyde production method based on exhaust gas circulating process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070926 |