CN204803247U - Formaldehyde preparation device of methyl alcohol direct boiling - Google Patents
Formaldehyde preparation device of methyl alcohol direct boiling Download PDFInfo
- Publication number
- CN204803247U CN204803247U CN201520470881.3U CN201520470881U CN204803247U CN 204803247 U CN204803247 U CN 204803247U CN 201520470881 U CN201520470881 U CN 201520470881U CN 204803247 U CN204803247 U CN 204803247U
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- China
- Prior art keywords
- absorption tower
- connects
- methyl alcohol
- absorption liquid
- condenser
- 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.)
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 75
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 238000009835 boiling Methods 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 238000010521 absorption reaction Methods 0.000 claims abstract description 84
- 230000003647 oxidation Effects 0.000 claims abstract description 18
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 18
- 230000008676 import Effects 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 36
- 238000010438 heat treatment Methods 0.000 claims description 16
- 239000006200 vaporizer Substances 0.000 claims description 15
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 10
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 10
- 239000008098 formaldehyde solution Substances 0.000 claims description 10
- 239000004571 lime Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000000523 sample Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model discloses a formaldehyde preparation device of methyl alcohol direct boiling, including high -order methyl alcohol groove, methyl alcohol filter, evaporimeter, oxidation reactor, first absorption tower, second absorption tower, the reboiler is connected to the evaporimeter, the reboiler is connected to an import of the blender that has four air inlets, air heater's export, the export and the batching vapour source of tail gas heater are connected respectively to the other three air inlet of blender, the exit linkage oxidation reactor of blender. The utility model discloses a blender directly gets into the oxidation reactor internal reaction after making gas mixing, guarantees the production safety nature of system, conveniently carry out digitally controlled, and the energy is relatively low.
Description
Technical field
The utility model belongs to silver-colored formaldehyde production technical field, is specifically related to a kind of formaldehyde preparation device of methyl alcohol direct boiling.
Background technology
In the production process of silver legal system formaldehyde, air capacity, reaction effect between water vapor amount and methyl alcohol steam output have impact on efficiency and the quality of formaldehyde processed greatly, it directly affects quality and the concentration of formaldehyde finished product, the production technique of current silver-colored legal system formaldehyde, although also fairly perfect, but still also there are some problems, the production security of system is made to there are some problems, tempering can occur when having a power failure to be carried out into vaporizer, the safety issue of initiating system, particularly whole production technique energy consumption is high, be unfavorable for energy-conservation realization, therefore, be necessary to be improved.
Utility model content
The formaldehyde preparation device that the purpose of this utility model is to solve above-mentioned technical problem and provides a kind of energy-efficient methyl alcohol direct boiling.
For achieving the above object, the utility model adopts following technical scheme:
A kind of formaldehyde preparation device of methyl alcohol direct boiling, high-order methyl alcohol groove, methyl alcohol strainer, vaporizer, oxidation reactor, first absorption tower, second absorption tower, described vaporizer connects reboiler, described reboiler is connected to an import of the mixing tank with four inlet mouths, other three inlet mouths of described mixing tank connect the outlet of air preheater respectively, the outlet of heater exhaust gas and batching vapour source, the outlet of described mixing tank connects described oxidation reactor, described oxidation reactor connects described first absorption tower, the top on described first absorption tower goes out by not absorbing pneumatic transmission the bottom that pipe connects described second absorption tower, the inside epimere of described vaporizer has tube still heater, and described tube still heater comprises multiple heating tubulation, and described evaporator body bottom is provided with thermostatically heating chuck, the bottom of described second absorption tower to the top of described first absorption tower and second absorption tower, described rare formaldehyde solution foldback passage is provided with the first circulation transferpump, the first condenser, the second condenser successively by rare formaldehyde solution foldback expanding channels, the bottom absorption liquid relief outlet on described first absorption tower connects absorption liquid discharge line, described absorption liquid discharge line is provided with successively the 3rd condenser, the second circulation transferpump, described second circulation transferpump connects the 4th condenser by absorption liquid transfer lime, and described 4th condenser is connected to finished product formaldehyde memory, described absorption liquid transfer lime is also connected to the absorption liquid return port at the middle part on described first absorption tower by absorption liquid Returning pipe.
Be provided with heat-conducting medium and well heater in described thermostatically heating chuck, described well heater connects temperature regulator, and described temperature regulator connects temperature sensor, and the probe of described temperature sensor is located in described thermostatically heating chuck.
Described air preheater connecting fan, described blower fan connects air filter.
Described heater exhaust gas connects exhaust fan.
The utility model connects reboiler by vaporizer, described reboiler is connected to an import of the mixing tank with four inlet mouths, other three inlet mouths of described mixing tank connect the outlet of air preheater, the outlet of heater exhaust gas and batching vapour source respectively, the outlet of described mixing tank connects described oxidation reactor, described oxidation reactor connects described first absorption tower, and the top on described first absorption tower goes out by not absorbing pneumatic transmission the bottom that pipe connects described second absorption tower; The inside epimere of described vaporizer has tube still heater, and described tube still heater comprises multiple heating tubulation, and described evaporator body bottom is provided with thermostatically heating chuck; The bottom of described second absorption tower to the top of described first absorption tower and second absorption tower, described rare formaldehyde solution foldback passage is provided with the first circulation transferpump, the first condenser, the second condenser successively by rare formaldehyde solution foldback expanding channels; The bottom absorption liquid relief outlet on described first absorption tower connects absorption liquid discharge line, described absorption liquid discharge line is provided with successively the 3rd condenser, the second circulation transferpump, described second circulation transferpump connects the 4th condenser by absorption liquid transfer lime, and described 4th condenser is connected to finished product formaldehyde memory; Described absorption liquid transfer lime is also connected to the absorption liquid return port at the middle part on described first absorption tower by absorption liquid Returning pipe, directly enter in oxidation reactor after making gas and vapor permeation by mixing tank and react, the production security of guarantee system, prevent the insecurity that tempering brings, and conveniently carry out Digital Control, and the energy is relatively low, there is great production practice and realistic meaning.
Accompanying drawing explanation
Figure 1 shows that the structural representation of the formaldehyde preparation device of a kind of methyl alcohol direct boiling that the utility model embodiment provides.
Embodiment
Below, in conjunction with example, substantive distinguishing features of the present utility model and advantage are further described, but the utility model is not limited to listed embodiment.
Refer to shown in Fig. 1, a kind of formaldehyde preparation device of methyl alcohol direct boiling, comprise the high-order methyl alcohol groove 1 storing the methyl alcohol carried by methyl alcohol transferpump 16, methyl alcohol strainer 2, vaporizer 3, connect the reboiler 20 of vaporizer 3, oxidation reactor 9, first absorption tower 10, second absorption tower 11, described reboiler 20 connects a gas feed with the mixing tank 5 of four inlet mouths, other three inlet mouths of described mixing tank 5 connect the outlet of air preheater 4 respectively, the outlet of heater exhaust gas 8 and batching vapour source, described mixing tank 5 connects described oxidation reactor 9, described oxidation reactor 9 connects described first absorption tower 10, the top on described first absorption tower 10 goes out by not absorbing pneumatic transmission the bottom that pipe connects described second absorption tower 11, the inside epimere of described vaporizer 3 has tube still heater, and described tube still heater comprises multiple heating tubulation, and described vaporizer connects batching vapour source, and described evaporator body bottom is provided with thermostatically heating chuck, the bottom of described second absorption tower 11 to the top of described first absorption tower and second absorption tower, described rare formaldehyde solution foldback passage is provided with successively the first circulation transferpump 18, first condenser 13, second condenser 12 by rare formaldehyde solution foldback expanding channels, the bottom absorption liquid relief outlet on described first absorption tower connects absorption liquid discharge line, described absorption liquid discharge line begins to be provided with the 3rd condenser 14, second circulation transferpump 17 successively from described absorption liquid relief outlet, described second circulation transferpump 17 connects the 4th condenser 15 by absorption liquid transfer lime, and described 4th condenser 15 is connected to finished product formaldehyde memory 19, described absorption liquid transfer lime is also connected to the absorption liquid return port at the middle part on described first absorption tower 10 by absorption liquid Returning pipe.
Be provided with heat-conducting medium and well heater in described thermostatically heating chuck, described well heater connects temperature regulator, and described temperature regulator connects temperature sensor, and the probe of described temperature sensor is located in described thermostatically heating chuck.
Described air preheater 4 connecting fan 7, described blower fan 7 connects air filter 6.
Described heater exhaust gas 8 connects exhaust fan.
The utility model connects reboiler by vaporizer, described reboiler is connected to an import of the mixing tank with four inlet mouths, other three inlet mouths of described mixing tank connect the outlet of air preheater, the outlet of heater exhaust gas and batching vapour source respectively, the outlet of described mixing tank connects described oxidation reactor, described oxidation reactor connects described first absorption tower, and the top on described first absorption tower goes out by not absorbing pneumatic transmission the bottom that pipe connects described second absorption tower; The inside epimere of described vaporizer has tube still heater, and described tube still heater comprises multiple heating tubulation, and described evaporator body bottom is provided with thermostatically heating chuck; The bottom of described second absorption tower to the top of described first absorption tower and second absorption tower, described rare formaldehyde solution foldback passage is provided with the first circulation transferpump, the first condenser, the second condenser successively by rare formaldehyde solution foldback expanding channels; The bottom absorption liquid relief outlet on described first absorption tower connects absorption liquid discharge line, described absorption liquid discharge line is provided with successively the 3rd condenser, the second circulation transferpump, described second circulation transferpump connects the 4th condenser by absorption liquid transfer lime, and described 4th condenser is connected to finished product formaldehyde memory; Described absorption liquid transfer lime is also connected to the absorption liquid return port at the middle part on described first absorption tower by absorption liquid Returning pipe, directly enter in oxidation reactor after making gas and vapor permeation by mixing tank and react, the production security of guarantee system, conveniently carry out Digital Control, and the energy is relatively low, can realize by methyl alcohol direct boiling, effectively efficiently by Methanol for formaldehyde, production efficiency is high, has great production practice and realistic meaning.
Although be described the utility model with reference to embodiment of the present utility model here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.
More particularly, in the scope of, accompanying drawing open in the application and claim, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (4)
1. the formaldehyde preparation device of a methyl alcohol direct boiling, comprise high-order methyl alcohol groove, methyl alcohol strainer, vaporizer, oxidation reactor, first absorption tower, second absorption tower, it is characterized in that, described vaporizer connects reboiler, described reboiler is connected to an import of the mixing tank with four inlet mouths, other three inlet mouths of described mixing tank connect the outlet of air preheater respectively, the outlet of heater exhaust gas and batching vapour source, the outlet of described mixing tank connects described oxidation reactor, described oxidation reactor connects described first absorption tower, the top on described first absorption tower goes out by not absorbing pneumatic transmission the bottom that pipe connects described second absorption tower, the inside epimere of described vaporizer has tube still heater, and described tube still heater comprises multiple heating tubulation, and described evaporator body bottom is provided with thermostatically heating chuck, the bottom of described second absorption tower to the top of described first absorption tower and second absorption tower, described rare formaldehyde solution foldback passage is provided with the first circulation transferpump, the first condenser, the second condenser successively by rare formaldehyde solution foldback expanding channels, the bottom absorption liquid relief outlet on described first absorption tower connects absorption liquid discharge line, described absorption liquid discharge line is provided with successively the 3rd condenser, the second circulation transferpump, described second circulation transferpump connects the 4th condenser by absorption liquid transfer lime, and described 4th condenser is connected to finished product formaldehyde memory, described absorption liquid transfer lime is also connected to the absorption liquid return port at the middle part on described first absorption tower by absorption liquid Returning pipe.
2. the formaldehyde preparation device of methyl alcohol direct boiling as claimed in claim 1, it is characterized in that, heat-conducting medium and well heater is provided with in described thermostatically heating chuck, described well heater connects temperature regulator, described temperature regulator connects temperature sensor, and the probe of described temperature sensor is located in described thermostatically heating chuck.
3. the formaldehyde preparation device of methyl alcohol direct boiling as claimed in claim 2, is characterized in that, described air preheater connecting fan, and described blower fan connects air filter.
4. the formaldehyde preparation device of methyl alcohol direct boiling as claimed in claim 3, is characterized in that, described heater exhaust gas connects exhaust fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520470881.3U CN204803247U (en) | 2015-06-26 | 2015-06-26 | Formaldehyde preparation device of methyl alcohol direct boiling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520470881.3U CN204803247U (en) | 2015-06-26 | 2015-06-26 | Formaldehyde preparation device of methyl alcohol direct boiling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204803247U true CN204803247U (en) | 2015-11-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520470881.3U Expired - Fee Related CN204803247U (en) | 2015-06-26 | 2015-06-26 | Formaldehyde preparation device of methyl alcohol direct boiling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204803247U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109134220A (en) * | 2018-09-20 | 2019-01-04 | 无锡熙源工程技术有限公司 | A kind of oxidizing process produces high-concentration formaldehyde system and its technique |
| CN109557964A (en) * | 2018-12-27 | 2019-04-02 | 南通江天化学股份有限公司 | A kind of dcs of high-concentration formaldehyde production line |
| WO2024166931A1 (en) * | 2023-02-08 | 2024-08-15 | 三菱瓦斯化学株式会社 | Formaldehyde absorption system, absorption method, and method for designing absorption system |
-
2015
- 2015-06-26 CN CN201520470881.3U patent/CN204803247U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109134220A (en) * | 2018-09-20 | 2019-01-04 | 无锡熙源工程技术有限公司 | A kind of oxidizing process produces high-concentration formaldehyde system and its technique |
| CN109557964A (en) * | 2018-12-27 | 2019-04-02 | 南通江天化学股份有限公司 | A kind of dcs of high-concentration formaldehyde production line |
| CN109557964B (en) * | 2018-12-27 | 2020-09-29 | 南通江天化学股份有限公司 | Distributed control system of high-concentration formaldehyde production line |
| WO2024166931A1 (en) * | 2023-02-08 | 2024-08-15 | 三菱瓦斯化学株式会社 | Formaldehyde absorption system, absorption method, and method for designing absorption system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20170626 |
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| CF01 | Termination of patent right due to non-payment of annual fee |