CN208038347U - A kind of Formaldehyde Production system - Google Patents
A kind of Formaldehyde Production system Download PDFInfo
- Publication number
- CN208038347U CN208038347U CN201820310904.8U CN201820310904U CN208038347U CN 208038347 U CN208038347 U CN 208038347U CN 201820310904 U CN201820310904 U CN 201820310904U CN 208038347 U CN208038347 U CN 208038347U
- Authority
- CN
- China
- Prior art keywords
- feed inlet
- discharge port
- gas
- absorption tower
- formaldehyde
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model is related to chemical production fields, disclose a kind of Formaldehyde Production system, including an air blower, the heater of a preheated air, one are for mixed ingredients steam, the material mixer of methanol steam and air, oxidator, the first absorption tower for absorbing formaldehyde gas and the second absorption tower of a progress formaldehyde silver catalysis reaction, gas-liquid separator and handle tail gas and produce the exhaust gas processing device of nitrogen-rich gas.The Formaldehyde Production system high efficiency environmental protection of the utility model, is suitble to the theme of sustainable development instantly.
Description
Technical field
The utility model is related to chemical production fields, and in particular to a kind of Formaldehyde Production system.
Background technology
Nitrogen tool has been widely used, and is commonly used for protective gas, such as：Melon and fruit, food, light bulb fill gas.It is certain to prevent
Object is aoxidized when being exposed to air by oxygen, fills silo with nitrogen, grain can be made not go rotten, not germinate, long-term preservation.Liquid nitrogen
Also act as cryogenic refrigeration agent.High pure nitrogen is used as the carrier gas of the instruments such as chromatograph.Bright annealing protective gas as copper pipe.
It is used as the laser gas of laser cutting machine together with high-purity helium, high-purity carbon dioxide.Nitrogen is also used as food fresh keeping to protect gas
The purposes of body.In chemical industry, nitrogen is mainly used as protective gas, substitution gas, washing gas, safety guarantee gas.It is used as
Aluminum products, aluminium section bar processing, the protective gas such as thin rolling of aluminium.As the protective gas that Reflow Soldering and wave-soldering are mating, weldering is improved
Connect quality.As the protective gas in float glass process, anti-molten tin bath oxidation.
At present in the production practices of industrial formol, the formaldehyde tail gas main component of output is：Hydrogen 18-20%, an oxidation
Carbon 0.5%, carbon dioxide 3.5%, oxygen 0.2%, remaining is largely the fuel gas such as nitrogen and a small amount of methane, methanol, formaldehyde,
With strong impulse smell, direct emission is unfavorable to environment, and because containing a large amount of hydrogen, there are the hidden danger of explosion.?
In domestic Formaldehyde Production industry, most of producers use direct burning and exhausting processing method, part of the manufacturer to be generated after fully burning
Supplied outside steam or hot water, in tail gas nitrogen resource make full use of it is fewer and fewer.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of Formaldehyde Production systems, can efficiently produce first
Aldehyde, while having the function of resource regeneration.
Technical problem to be solved in the utility model is achieved by the following technical programs：
A kind of Formaldehyde Production system, including an air blower, the heater of a preheated air, one for mixed ingredients steam,
The material mixer of methanol steam and air, the oxidator of a progress formaldehyde silver catalysis reaction, for absorbing formaldehyde gas
One absorption tower and second absorption tower, gas-liquid separator；The air blower is connected to the feed inlet of heater, the discharge port of heater
It is connected to the feed inlet of material mixer, the feed inlet above the discharge port connection oxidator of material mixer, below oxidator
Discharge port is connected to the feed inlet of the first absorb the bottom of the tower, and first absorbs top discharge mouth connection second absorption tower bottom feed inlet,
The feed inlet of discharge port connection gas-liquid separator bottom at the top of second absorption tower, gas-liquid separator top discharge mouth connect a tail
The discharge port of gas burner, tail gas burner connects a nitrogen separation device, is equipped with and is interconnected in nitrogen separation device
Gas drier and carbon dioxide removal device, the feed inlet in nitrogen separation device access carbon dioxide removal device, and two
The discharge port of the discharge port access nitrogen separation device of carbonoxide removal device, the discharge port of nitrogen separation device connect a nitrogen
Storage device.
Also there is filler at the top of the second absorption tower as a further improvement of the utility model,.
The charging of the air blower, the discharge port of heater, material mixer as a further improvement of the utility model,
Mouthful, the feed inlet above material mixer discharge port, oxidator, discharge port, the first absorb the bottom of the tower below oxidator into
Material mouth, first absorbs top discharge mouth, second absorption tower bottom feed inlet, the discharge port at the top of second absorption tower, gas-liquid separation
The discharging of the feed inlet, gas-liquid separator top discharge mouth, the feed inlet of tail gas burner, tail gas burner of device bottom
Mouth, the feed inlet of nitrogen separation device, the discharge port of nitrogen separation device, nitrogen storage device feed inlet pass through from each other
Pipeline is connected to.
As a further improvement of the utility model, valve is respectively arranged on the pipeline.
The utility model has the beneficial effects that：
This Formaldehyde Production system can efficiently produce formaldehyde, while can carry out harmless treatment to the Tail Gas of generation,
Nitrogen-rich gas is produced simultaneously, reaches making full use of for resource.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of Formaldehyde Production system of the utility model.
Specific implementation mode
Explanation and specific implementation mode further illustrate the utility model below in conjunction with the accompanying drawings.
Drawing reference numeral in Fig. 1 is：Air blower 1, heater 2, material mixer 3, oxidator 4, the first absorption tower 5, the
Two absorption towers 6, gas-liquid separator 7, filler 8, tail gas burner 9, nitrogen separation device 10, gas drier 102, two
Carbonoxide removal device 101, nitrogen storage device 11.
As shown in Figure 1, a kind of Formaldehyde Production system, each section of system is connected to by the pipeline with valve, air blast
Machine 1 is connected to the feed inlet of heater 2, and air is blasted heater 2 by air blower 1 from below, and the discharge port connection of heater 2 is former
Expect that the feed inlet of mixer 3,3 discharge port of material mixer are connected to the feed inlet of 4 top of oxidator, the discharging of 4 lower section of oxidator
The feed inlet of mouth connection 5 bottom of the first absorption tower, 5 top discharge mouth of the first absorption tower are connected to 6 bottom feed inlet of second absorption tower,
The feed inlet of 7 bottom of discharge port connection gas-liquid separator at 6 top of second absorption tower, the connection of 7 top discharge mouth of gas-liquid separator
The discharge port of one tail gas burner 9, tail gas burner 9 is connected to nitrogen separation device 10, is equipped in nitrogen separation device 10
Be interconnected gas drier 102 and carbon dioxide removal device 101, and the feed inlet in nitrogen separation device 10 accesses dioxy
Change carbon removal device 101, the discharge port of the discharge port access nitrogen separation device 10 of carbon dioxide removal device 102, nitrogen point
Discharge port from device 10 connects a nitrogen storage device 11.
Wherein, also there is filler 8 at the top of second absorption tower.
Formaldehyde technique can be produced by the way that a kind of Formaldehyde Production system progress provided by the utility model is following：
Air is blasted heater 2 by air blower 1, and 2 preheated air of heater simultaneously delivers air to material mixer 3, former
Material mixer 3 receives air, methanol steam and dispensing steam and is mixed and is transported to oxidator 4, and oxidator 4 be catalyzed anti-
Oxidation of Methanol is answered to obtain formaldehyde gas, the formaldehyde gas that oxidator 4 comes out, which initially enters in the first absorption tower 5, carries out absorption behaviour
Make, formalin finished product is produced by the first absorption tower 5, is absorbed and is added by 6 tower top filler 8 of second absorption tower with supplement process water
Enter, unabsorbed formaldehyde tail gas is sent into after gas-liquid separator 7 detaches water by 6 tower top discharge port of second absorption tower and removes tail gas
Burner 9, main component is nitrogen, vapor, carbon dioxide after tail gas fully burns, and passes through nitrogen separation device 10, elder generation
By carbon dioxide removal device 101 using gas drier 102, the high pure nitrogen of generation is sent into nitrogen storage device
11。
Carbon dioxide removal device 101 used in embodiment is " wet method " process equipment, including with carbon dioxide selectivity
Solution（Such as alkali wash）To wash the carbon dioxide in tail gas；Can be setting using solid absorbent in other embodiments
It is standby, it is operated according to the principle of pressure-variable adsorption (PSA) or temp.-changing adsorption (TSA).
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the scope of protection of the utility model.
Claims (4)
1. a kind of Formaldehyde Production system, which is characterized in that including an air blower, the heater of a preheated air, one are for mixing
Dispensing steam, the material mixer of methanol steam and air, one carry out the oxidator of formaldehyde silver catalysis reaction, for absorbing formaldehyde
First absorption tower of gas and second absorption tower, gas-liquid separator；The air blower is connected to the feed inlet of heater, heater
Discharge port connection material mixer feed inlet, material mixer discharge port connection oxidator above feed inlet, oxidation
Discharge port below device is connected to the feed inlet of the first absorb the bottom of the tower, and first absorbs top discharge mouth connection second absorption tower bottom
Feed inlet, the feed inlet of the discharge port connection gas-liquid separator bottom at the top of second absorption tower, gas-liquid separator top discharge mouth
A tail gas burner is connected, the discharge port of tail gas burner connects a nitrogen separation device, is equipped in nitrogen separation device
Be interconnected gas drier and carbon dioxide removal device, the feed inlet access carbon dioxide removal in nitrogen separation device
Device, the discharge port of the discharge port access nitrogen separation device of carbon dioxide removal device, the discharge port of nitrogen separation device connect
Connect a nitrogen storage device.
2. Formaldehyde Production system according to claim 1, which is characterized in that also have at the top of the second absorption tower and add
The mouth of a river.
3. Formaldehyde Production system according to claim 2, which is characterized in that the air blower, the discharge port of heater, original
The feed inlet for expecting mixer, the feed inlet above material mixer discharge port, oxidator, discharge port below oxidator, first
The feed inlet of absorb the bottom of the tower, the first absorption top discharge mouth, second absorption tower bottom feed inlet, going out at the top of second absorption tower
Material mouth, the feed inlet of gas-liquid separator bottom, gas-liquid separator top discharge mouth, the feed inlet of tail gas burner, tail gas combustion
Burn the feed inlet of the discharge port of device, the feed inlet of nitrogen separation device, the discharge port of nitrogen separation device, nitrogen storage device
It is connected to from each other by pipeline.
4. Formaldehyde Production system according to claim 3, which is characterized in that be respectively arranged with valve on the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820310904.8U CN208038347U (en) | 2018-03-07 | 2018-03-07 | A kind of Formaldehyde Production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820310904.8U CN208038347U (en) | 2018-03-07 | 2018-03-07 | A kind of Formaldehyde Production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208038347U true CN208038347U (en) | 2018-11-02 |
Family
ID=63950676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820310904.8U Active CN208038347U (en) | 2018-03-07 | 2018-03-07 | A kind of Formaldehyde Production system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208038347U (en) |
-
2018
- 2018-03-07 CN CN201820310904.8U patent/CN208038347U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100490943C (en) | Apparatus for processing waste air including oxynitride | |
| CN100500265C (en) | Purification technology and equipment of waste gas containing high concentration nitrogen oxide | |
| CN102000486B (en) | Method for catching carbon dioxide in flue gas by active sodium carbonate and apparatus thereof | |
| CN101279185B (en) | Gas phase oxidation-liquid phase reduction method for absorbing and removing nitrous oxides in exhaust air | |
| CN107551813B (en) | Ship desulfurization and denitrification integrated process and device | |
| CN201333374Y (en) | Device capable of collecting carbon dioxide contained in flue gases of power plant through ammonia by utilizing void tower | |
| CN102078752A (en) | Method for preparing sodium nitrite from nitric oxide waste gas through multistage oxidation absorption | |
| CN203899446U (en) | Flue gas desulfurization device with coarse desulfurization function | |
| CN106085530A (en) | A kind of technique utilizing yellow phosphoric tail gas preparing liquefied natural gas coproduction food-grade carbon-dioxide | |
| CN106621709A (en) | Device for treating acidic waste gas in synthesis process of single-compound explosive | |
| CN111672277B (en) | Physical and chemical composite CO2Absorbent system | |
| CN208038347U (en) | A kind of Formaldehyde Production system | |
| CN105236451B (en) | Method and apparatus for continuous conversion production of sodium nitrate | |
| CN105126608A (en) | Method for treating nitrogen oxides | |
| CN102580476B (en) | System and method for clearing CO2 in submarine cabin | |
| CN103803583A (en) | System for producing ammonia gas by ammonia water evaporation and control method thereof | |
| CN101095998A (en) | Recovery utilization method of furfuran amine salt waste gases | |
| CN107051069A (en) | A kind of exhaust treatment system | |
| CN103058139B (en) | Method for reproducing medium pressure steam by flare gas generated in synthesis ammonia production process | |
| JP3592648B2 (en) | Method and apparatus for using digestive gas | |
| CN210814688U (en) | Tail gas treatment system in sulfuric acid preparation process | |
| CN210001582U (en) | Low-moisture-content hydrogen chloride synthesis system | |
| CN205774371U (en) | For preparing the equipment of burning gases | |
| CN207722573U (en) | A kind of crystallization ammonia process steam regeneration catches carbon system | |
| CN206676204U (en) | A kind of new sulfuric acid exhaust gas processing device using hydrogen peroxide desulfurization |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 516200 plot F-11, Yonghu Honghai fine chemical base, Huiyang District, Huizhou City, Guangdong Province Patentee after: Guangdong Fenglin Chemical Co.,Ltd. Address before: 516200 plot F-11, Yonghu Honghai fine chemical base, Huiyang District, Huizhou City, Guangdong Province Patentee before: GUANGDONG YIHONG CHEMICALS CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |