CN203247214U - Production device of formaldehyde with high concentration of 55%-65% - Google Patents
Production device of formaldehyde with high concentration of 55%-65% Download PDFInfo
- Publication number
- CN203247214U CN203247214U CN 201320123161 CN201320123161U CN203247214U CN 203247214 U CN203247214 U CN 203247214U CN 201320123161 CN201320123161 CN 201320123161 CN 201320123161 U CN201320123161 U CN 201320123161U CN 203247214 U CN203247214 U CN 203247214U
- Authority
- CN
- China
- Prior art keywords
- sections
- section
- absorption tower
- concentration
- dry load
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Gas Separation By Absorption (AREA)
Abstract
The utility model relates to the technical field of a formaldehyde production technology, in particular to a production device of formaldehyde with high concentration of 55%-65%. The device comprises an evaporator device, an oxidizer device, a high-concentration absorption tower device, a tail gas liquid seal groove device and a tail gas treater device which are sequentially connected, wherein the high-concentration absorption tower device is formed by combining three sections of absorption towers, four circulation sections including a first separating packing section, a second absorbing packing section, a third absorbing packing section and a fourth absorbing packing section are sequentially connected beside the high-concentration absorption tower device from the bottom up, a bubble cap section is arranged at the top of the high-concentration absorption tower device, circulation is not performed in the first separating packing section, but circulation is performed in the second absorbing packing section, the third absorbing packing section, the fourth absorbing packing section and the bubble cap section at the top of the tower. According to the formaldehyde absorption system of the device, a three-section absorption and four-section circulation type absorption manner is adopted, and the steam is introduced into, so that the concentration of produced formaldehyde can reach up to about 55%-65%, the economic input is low, and the production efficiency is high.
Description
Technical field
The utility model relates to the methanal preparing technique field, especially a kind of 55-65% high-concentration formaldehyde production equipment.
Background technology
The prepn. of formaldehyde of popularizing the most in China at present is silver-colored method formaldehyde production technology, and silver-colored method formaldehyde production technology is simple, and the investment consumption is little, and technical maturity is stable.But the product concentration of present domestic silver-colored method Formaldehyde Production can only be accomplished about 37%, wants to improve concentration and can only change technique, increases several times investment, uses iron molybdenum method explained hereafter high-concentration formaldehyde.Generally only there are two layers of packing section on domestic absorption tower commonly used, and this also is the reason that causes concentration of formaldehyde not high.
The utility model content
In order to overcome the deficiency of existing technology, on the basis of increase investment within reason, the utility model provides a kind of 55-65% high-concentration formaldehyde production equipment.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of 55-65% high-concentration formaldehyde production equipment, its device is by evaporator unit, oxidizer unit, high density absorption tower device, tail gas liquid seal trough device and vent gas treatment apparatus are connected in sequence, described high density absorption tower device is comprised of three sections absorption towers, device side, high density absorption tower is connected with one section separating filler section from bottom to top in turn, upper two sections dry load sections, three sections dry load sections, four circulation sections of four sections dry load sections, high density absorption tower device cat head is provided with the bubble-cap section, wherein one section separating filler section is interior without circulation, two sections dry load sections, three sections dry load sections, four sections of the bubble-cap sections of four sections dry load sections and cat head all have circulation.
According to another embodiment of the present utility model, comprise that further all pipelines, the equipment whole process of the finished product formaldehyde discharging section at the bottom of described two sections dry load sections and the tower is provided with steam tracing.
According to another embodiment of the present utility model, comprise that further described evaporator unit is the integral type vaporizer.
According to another embodiment of the present utility model, comprise that further the oxidizing temperature of described oxidizer unit is between 450-800 ℃.
According to another embodiment of the present utility model, comprise that further the steam that described oxidizer unit produces is 0.35-0.5Mpa.
The beneficial effects of the utility model are, the methanal absorbing system of this device adopts three sections absorptions, four sections circulating absorption patterns, and has steam to pass into, and the concentration of formaldehyde of production can be up to about 55-65%, and economic input is few, and production efficiency is high.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is structural representation of the present utility model;
Among the figure, 1, evaporator unit, 2, oxidizer unit, 3, high density absorption tower device, 31, one section separating filler section, 32, two sections dry load sections, 33, three sections dry load sections, 34, four sections dry load sections, 35, bubble-cap section, 4, tail gas liquid seal trough device, 5, exhaust gas processing device.
Embodiment
Structural representation of the present utility model such as Fig. 1, a kind of 55-65% high-concentration formaldehyde production equipment, its device is by evaporator unit 1, oxidizer unit 2, high density absorption tower device 3, tail gas liquid seal trough device 4 and vent gas treatment apparatus 5 are connected in sequence, methyl alcohol, batching steam, uncontaminated air, tail gas from absorption tower passes into simultaneously evaporator unit 1 and carries out the bubbling evaporation, the mixed gas of evaporation passes into oxidizer unit 2 and carries out oxidizing reaction, it is concentrated that reacted formaldehyde gas enters high density absorption tower device 3, concentrated formaldehyde is as the finished product discharging at the bottom of device 3 towers of high density absorption tower, a cat head tail gas part enters evaporator unit 1 and recycles, a part is by tail gas liquid seal trough device 4, enter vent gas treatment apparatus 5 and carry out burning disposal, the pollution-free waste gas after the burning enters atmosphere.Described high density absorption tower device 3 is comprised of three sections absorption towers, high density absorption tower device 3 other one section separating filler section 31, upper two sections dry load sections 32, three sections dry load sections 33,34 4 circulation sections of four sections dry load sections of being connected with in turn from bottom to top, high density absorption tower device 3 cats head are provided with bubble-cap section 35, wherein one section separating filler section 31 is interior without circulation, and 35 4 sections of the bubble-cap sections of two sections dry load sections 32, three sections dry load sections 33, four sections dry load sections 34 and cat head all have circulation.All pipelines, the equipment whole process of the finished product formaldehyde discharging at the bottom of two sections dry load sections 32 and the tower are provided with steam tracing.
Evaporator unit 1 is the integral type vaporizer, and material benzenemethanol, uncontaminated air, batching steam, tail gas from absorption tower add evaporator unit simultaneously, and vaporization temperature is at 35-65 ℃.
The oxidizing temperature of oxidizer unit 2 between 450-800 ℃, and have the tubulation heat exchanging segment with the reaction formaldehyde temperature degree be down to 80-120 ℃.
The steam that oxidizer unit 2 produces is 0.35-0.5Mpa.
During production, methyl alcohol, uncontaminated air, tail gas from absorption tower, batching steam pass into evaporator unit 1 simultaneously, and the gas mixture of evaporation enters oxidizer unit 2 reactions, and reaction heat is reclaimed by the oxidizer drum.Reacted formaldehyde reaction device enters high density absorption tower device 3 and absorbs concentrated, concentrated formaldehyde is as the finished product discharging at the bottom of device 3 towers of high density absorption tower, a cat head tail gas part enters evaporator unit 1 and recycles, a part enters tail gas liquid seal trough device 4, enter exhaust gas treating device 5 again and burn, tail gas burns the heat that produces and is reclaimed by tail stove drum.
The methanal absorbing system of this device adopts three sections absorption towers, four sections circulating absorption patterns, and has steam to pass into, and the concentration of formaldehyde of production can be up to about 55-65%, and economic input is few, and production efficiency is high.
Claims (5)
1. 55-65% high-concentration formaldehyde production equipment, its device is by evaporator unit (1), oxidizer unit (2), high density absorption tower device (3), tail gas liquid seal trough device (4) and vent gas treatment apparatus (5) are connected in sequence, it is characterized in that, described high density absorption tower device (3) is comprised of three sections absorption towers, the other one section separating filler section (31) that is connected with in turn from bottom to top of high density absorption tower device (3), upper two sections dry load sections (32), three sections dry load sections (33), (34) four circulation sections of four sections dry load sections, high density absorption tower device (3) cat head is provided with bubble-cap section (35), wherein nothing circulation in one section separating filler section (31), two sections dry load sections (32), three sections dry load sections (33), (35) four sections of the bubble-cap sections of four sections dry load sections (34) and cat head all have circulation.
2. described 55-65% high-concentration formaldehyde production equipment according to claim 1 is characterized in that, all pipelines, the equipment whole process of the finished product formaldehyde discharging section at the bottom of described two sections dry load sections (32) and the tower are provided with steam tracing.
3. described 55-65% high-concentration formaldehyde production equipment according to claim 1 is characterized in that, described evaporator unit (1) is the integral type vaporizer.
4. described 55-65% high-concentration formaldehyde production equipment according to claim 1 is characterized in that, the oxidizing temperature of described oxidizer unit (2) is between 450-800 ℃.
5. described 55-65% high-concentration formaldehyde production equipment according to claim 1 is characterized in that, the steam that described oxidizer unit (2) produces is 0.35-0.5Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320123161 CN203247214U (en) | 2013-03-19 | 2013-03-19 | Production device of formaldehyde with high concentration of 55%-65% |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320123161 CN203247214U (en) | 2013-03-19 | 2013-03-19 | Production device of formaldehyde with high concentration of 55%-65% |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203247214U true CN203247214U (en) | 2013-10-23 |
Family
ID=49373665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320123161 Expired - Fee Related CN203247214U (en) | 2013-03-19 | 2013-03-19 | Production device of formaldehyde with high concentration of 55%-65% |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203247214U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519941A (en) * | 2018-12-10 | 2019-03-26 | 安徽金禾实业股份有限公司 | A kind of acetaldehyde tail gas from absorption tower comprehensive recovering process |
-
2013
- 2013-03-19 CN CN 201320123161 patent/CN203247214U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519941A (en) * | 2018-12-10 | 2019-03-26 | 安徽金禾实业股份有限公司 | A kind of acetaldehyde tail gas from absorption tower comprehensive recovering process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106083331B (en) | A kind of modification biological charcoal preparation and application can be reduced compost noxious gas emission | |
| CN104326471A (en) | Method for preparing active carbon from licorice waste residue | |
| CN105038825A (en) | Production method of energy self-sustaining bamboo biomass roasting charcoal | |
| CN103693643A (en) | Bamboo-based activated carbon for flue gas desulfurization | |
| CN107970888A (en) | The preparation process of modified high-efficient acid-resistance gas active charcoal | |
| CN203247214U (en) | Production device of formaldehyde with high concentration of 55%-65% | |
| CN102190298A (en) | Method for preparing active carbon from carbon byproduct in fast pyrolysis of forest remainder | |
| CN108043360A (en) | A kind of method that flyash is processed into magnetic active carbon powder | |
| CN101717677A (en) | Method for preparing biological natural gas from marsh gas | |
| CN106115696A (en) | A kind of active fruit shell carbon and preparation method thereof | |
| CN102963892B (en) | Preparation method of carbon granules used for air circulation of air conditioner | |
| CN202460416U (en) | Recovery device of solvent in non-condensable gas containing solvent steam | |
| CN205216581U (en) | Can realize device of flue gas desulfurization denitration simultaneously | |
| CN105214463A (en) | A kind of processing method of aliphatic hydroxyl sulphonate water reducer process gas | |
| CN201770629U (en) | Device for preparing alcohol-free formaldehyde with high concentration | |
| CN107628619A (en) | A kind of preparation method of the rich nitrogen active sludge carbon of adulterated food leftover bits and pieces | |
| CN210496445U (en) | Tower reactor for synthesizing glyoxylic acid | |
| CN204447710U (en) | From containing reclaim cyanogen tail gas hydrogen cyanide prepare Cymag containing cyanogen exhaust gas processing device | |
| CN110156012B (en) | Activated carbon and method for preparing activated carbon by using waste edible oil | |
| CN105617986B (en) | A kind of preparation method of composite activated carbon hydrogen sulfide remover | |
| CN103182300B (en) | Heterogeneous catalysis of Attapulgite-supportepotassium potassium carbonate and preparation method thereof and the application in biodiesel catalyzes and synthesizes | |
| CN101503200A (en) | Method for preparing disodium octaborate tetrahydrate | |
| CN102660309B (en) | Method for preparing biomass base liquid fuel by using ordered mesoporous ZrO2-base catalyst | |
| CN104496773A (en) | Formaldehyde and dimethyl ether co-production technique | |
| CN104772128A (en) | Polyvinyl alcohol/kelp powder heavy metal adsorbent and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180828 Address after: 214000 Jinxi Road, Wuxi City, Jiangsu Province, No. 100 Patentee after: WUXI ZHIGUI TECHNOLOGY CO., LTD. Address before: 214100 Jiangsu Wuxi Binhu District Xuelang street Gudai community Patentee before: Jiangsu Kaimao Chemical Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131023 Termination date: 20200319 |