CN109289749B - Flameless oxidation heating reactor - Google Patents
Flameless oxidation heating reactor Download PDFInfo
- Publication number
- CN109289749B CN109289749B CN201710608134.5A CN201710608134A CN109289749B CN 109289749 B CN109289749 B CN 109289749B CN 201710608134 A CN201710608134 A CN 201710608134A CN 109289749 B CN109289749 B CN 109289749B
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- Prior art keywords
- methanol
- methyl alcohol
- air
- reactor
- heating reactor
- Prior art date
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 50
- 230000003647 oxidation Effects 0.000 title claims abstract description 23
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 23
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 354
- 238000002309 gasification Methods 0.000 claims abstract description 20
- 239000000446 fuel Substances 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 239000003054 catalyst Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 6
- 239000011229 interlayer Substances 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 4
- 229910000510 noble metal Inorganic materials 0.000 claims description 4
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000036632 reaction speed Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 22
- 238000006243 chemical reaction Methods 0.000 description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 229920000298 Cellophane Polymers 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/32—Packing elements in the form of grids or built-up elements for forming a unit or module inside the apparatus for mass or heat transfer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
- B01J4/002—Nozzle-type elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/02—Feed or outlet devices; Feed or outlet control devices for feeding measured, i.e. prescribed quantities of reagents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
- B01J2219/324—Composition or microstructure of the elements
- B01J2219/32425—Ceramic
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Catalysts (AREA)
Abstract
The invention relates to the technical field of heating devices, in particular to a flameless oxidation heating reactor. The device comprises a methanol gasification chamber, a methanol air mixer and a heating reactor, wherein the methanol gasification chamber is provided with a plurality of methanol inlets and air inlets, an air outlet of the methanol gasification chamber is connected with an air inlet of the methanol air mixer, an air outlet of the methanol air mixer is connected with an air inlet of the heating reactor, and an air outlet is arranged at the top of the heating reactor; and each methanol inlet is provided with an oil nozzle. The invention utilizes the oil nozzle to supply the methanol, has very accurate supply control and high reaction speed, can save the methanol and improve the efficiency.
Description
Technical Field
The invention relates to the technical field of heating devices, in particular to a flameless oxidation heating reactor.
Background
Energy is the most important element in human economic activity. The world is facing a plurality of problems such as energy shortage, increasingly serious environmental pollution, greenhouse effect and the like, and the development of clean new energy is urgent in order to protect the environment for human survival and make economy continuously develop. Many developed countries have made intensive research and development on methanol, a clean renewable energy source, as their own future energy source, and methanol, as a clean energy source, has the characteristics of storability and transportation, and its development may bring about significant changes in energy structure in the long term.
The heating devices currently used mostly take heat by burning fuel. Combustion is heating by the temperature of the flame. The fuel can be natural gas, fuel oil or coal. Combustion using natural gas, fuel oil, coal, produces many environmentally harmful substances, such as: SOx, NOx, PM (particulate matter) have severely affected air quality and even cause greenhouse effect. Natural gas, although relatively clean, needs to be used in areas where pipelines are located.
The flameless oxidation heating equipment needs to regulate and control the flow of the methanol according to the temperature and the air flow. In the prior art, the methanol flow is mostly the traditional oil supply metering pump, the metering precision is insufficient, and the waste speed is controlled to be lagged. The methanol is not uniformly supplied, the heating reaction is insufficient, the heating and heat dissipation are not uniform, and the energy is consumed.
Disclosure of Invention
The invention aims to solve the problems and provide a flameless oxidation heating reactor with accurate flow control and high control speed.
In order to solve the problems, the invention adopts the following technical scheme:
The flameless oxidation heating reactor comprises a reactor main body, wherein the reactor main body comprises a methanol gasification chamber 11, a methanol air mixer 12 and a heating reactor 13, the methanol gasification chamber 11 is provided with a methanol inlet 111 and an air inlet 112, an air outlet 114 of the methanol gasification chamber is connected with an air inlet 121 of the methanol air mixer, an air outlet 122 of the methanol air mixer is connected with an air inlet 131 of the heating reactor, and an air outlet 132 is arranged at the top of the heating reactor 13;
the heating reactor 13 is a double-interlayer side wall, a cold water inlet 133 and a hot water outlet 134 are arranged on the outer wall of the double-interlayer side wall, an oxidation heating catalyst 15 is arranged in the heating reactor 13, and the oxidation heating catalyst 15 is noble metal.
The methanol gasification device is characterized in that the methanol gasification chamber 11 is provided with a plurality of methanol inlets 111, the methanol inlets 111 are provided with fuel nozzles 113, each fuel nozzle 113 is connected with a one-way check valve 115 through a methanol pipe, the one-way check valve 115 is connected with a methanol filter element 116 through a methanol pipe, the methanol filter element 116 is connected with a pressure regulating valve 117 through a methanol pipe, the pressure regulating valve 117 is connected with a methanol delivery pump 118 outlet through a methanol pipe, an inlet of the methanol delivery pump 118 is connected with a discharge port of the liquid methanol storage tank 14, and the pressure regulating valve 117 is connected with a feed port of the liquid methanol storage tank 14 through a methanol loop 119.
According to the optimization method, the number of the oil nozzles 113 is 2-6.
Further optimized, the oxidation heating catalyst 15 takes honeycomb ceramics as a carrier, and precious metals platinum and palladium are coated on the carrier.
Compared with the prior art, the invention has the following beneficial effects:
(1) The renewable energy source methanol provides continuous heat through flameless oxidation heating, is an environment-friendly, energy-saving and high-safety reactor, can replace traditional fuel, has small pollution and low device cost, and is suitable for large-scale popularization and use.
(2) The invention adopts a plurality of oil nozzles to control the flow of the methanol, the valve needle moves up and down to control the opening and closing of the valve, when the controller gives an adjusting instruction, the voltage signal can lead the current to flow through the coil in the oil nozzle, and the magnetic field is generated to suck the valve needle, so that the valve is opened to enable the methanol to be sprayed out from the oil spraying hole, and the maximum advantage of the methanol spraying is that the supply control is very accurate and the reaction speed is high.
(3) According to the invention, the oil nozzle sprays the methanol in a spray mode, so that the rapid gasification of the methanol is promoted.
(4) The oil nozzle precision is 1000 times of traditional fuel feeding metering pump, and reaction rate is 200 times of traditional fuel feeding metering pump, and a plurality of oil nozzle errors offset each other, supply the methyl alcohol more accurate, and reaction rate is faster, and high accuracy, quick response can save methyl alcohol, raise the efficiency.
(5) Each oil nozzle independently controls the flow rate of the methanol and the oil injection time, the oil nozzles do not overlap with each other on the flow rate of the methanol and the reaction, and the oil supply is more accurate.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view showing a structure of a flameless oxidation thermal reactor according to an embodiment;
FIG. 2 is a table showing the control time and reaction time of each fuel injector for methanol in the embodiment;
reference numerals illustrate: the device comprises a methanol gasification chamber-11, a methanol inlet-111, an air inlet-112, an oil nozzle-113, a methanol gasification chamber air outlet-114, a one-way check valve-115, a methanol filter element-116, a pressure regulating valve-117, a methanol delivery pump-118, a methanol loop-119, a methanol air mixer-12, an air inlet of the methanol air mixer-121, an air outlet of the methanol air mixer-122, a heating reactor-13, an air inlet of the heating reactor-131, an air outlet-132, a cold water inlet-133, a hot water outlet-134, a liquid methanol storage tank-14 and an oxidation heating catalyst-15.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
Referring to fig. 1 of the specification, the invention provides a flameless oxidation heating reactor, which comprises a reactor main body, wherein the reactor main body comprises a methanol gasification chamber 11, a methanol air mixer 12 and a heating reactor 13, the methanol gasification chamber 11 is provided with a methanol inlet 111 and an air inlet 112, a gas outlet 114 of the methanol gasification chamber is connected with a gas inlet 121 of the methanol air mixer, a gas outlet 122 of the methanol air mixer is connected with a gas inlet 131 of the heating reactor, and a gas outlet 132 is arranged at the top of the heating reactor 13;
the heating reactor 13 is a double-interlayer side wall, a cold water inlet 133 and a hot water outlet 134 are arranged on the outer wall of the double-interlayer side wall, an oxidation heating catalyst 15 is arranged in the heating reactor 13, and the oxidation heating catalyst 15 is noble metal.
The methanol gasification device is characterized in that the methanol gasification chamber 11 is provided with a plurality of methanol inlets 111, the methanol inlets 111 are provided with fuel nozzles 113, each fuel nozzle 113 is connected with a one-way check valve 115 through a methanol pipe, the one-way check valve 115 is connected with a methanol filter element 116 through a methanol pipe, the methanol filter element 116 is connected with a pressure regulating valve 117 through a methanol pipe, the pressure regulating valve 117 is connected with a methanol delivery pump 118 outlet through a methanol pipe, an inlet of the methanol delivery pump 118 is connected with a discharge port of the liquid methanol storage tank 14, and the pressure regulating valve 117 is connected with a feed port of the liquid methanol storage tank 14 through a methanol loop 119. The methanol impurity damages very much to the methanol pipeline, causes the oil nozzle to block up, and this embodiment methanol filter core is cellophane material, and resistant methanol corrosion, the filter effect is good, economical and practical. The pressure regulating valve 117 performs preliminary flow control, and since the delivery pressure of the methanol delivery pump 118 is greater than the required set pressure, the excess methanol flow is returned to the liquid methanol storage tank 14 through the methanol loop 119, so that the pressure-holding damage of the methanol delivery pump 118 caused by direct control flow is reduced. Meanwhile, the primary flow control of the pressure regulating valve 117 reduces the flow regulating pressure of the oil nozzle, and further improves the flow control precision of the oil nozzle.
According to the optimization method, the number of the oil nozzles 113 is 2-6. The oil nozzle precision is 1000 times of traditional fuel feeding metering pump, and reaction rate is 200 times of traditional fuel feeding metering pump, and a plurality of oil nozzle errors offset each other, supply the methyl alcohol more accurate, and reaction rate is faster, and high accuracy, quick response can save methyl alcohol, raise the efficiency. The number of the fuel nozzles 113 in this embodiment is 5, and the control time and the reaction time of each fuel nozzle to methanol are shown in fig. 2:
The oil spray nozzles are controlled according to the working control points of the table, and can maintain constant pressure of 3 kg, and the oil spray time of each oil spray nozzle is not in conflict. The reaction efficiency of the flameless oxidation heating reactor of the embodiment can reach 99 percent.
In order to increase the heating area, further optimizing, the oxidation heating catalyst 15 uses honeycomb ceramics as a carrier, and precious metals platinum and palladium are coated on the carrier. The honeycomb ceramic carrier increases the heating area.
The methanol supply mode is also suitable for supplying methanol in the methanol recombination or cracking hydrogen production process.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and that the present invention is not limited to the above-described preferred embodiments, but is capable of various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications fall within the scope of the present invention as hereinafter claimed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The flameless oxidation heating reactor comprises a reactor main body, wherein the reactor main body comprises a methanol gasification chamber (11), a methanol air mixing chamber (12) and a heating reactor (13), the methanol gasification chamber (11) is provided with a methanol inlet (111) and an air inlet (112), an air outlet (114) of the methanol gasification chamber is connected with an air inlet (121) of the methanol air mixer, an air outlet (122) of the methanol air mixer is connected with an air inlet (131) of the heating reactor, and an outer gas exhaust port (132) is arranged at the top of the heating reactor (13);
The heating reactor (13) is a double-interlayer side wall, a cold water inlet (133) and a hot water outlet (134) are arranged on the outer wall of the double-interlayer side wall, an oxidation heating catalyst (15) is arranged in the heating reactor (13), and the oxidation heating catalyst (15) is noble metal;
The methanol gasification chamber (11) is provided with a plurality of methanol inlets (111), the methanol inlets (111) are provided with oil nozzles (113), and the number of the oil nozzles (113) is 2-6; each oil nozzle (113) independently controls the flow rate of the methanol and the time for spraying the methanol; each fuel sprayer (113) is connected with one-way check valve (115) through the methyl alcohol pipe respectively, one-way check valve (115) are connected with methyl alcohol filter core (116) through the methyl alcohol pipe, methyl alcohol filter core (116) are connected with pressure regulating valve (117) through the methyl alcohol pipe, pressure regulating valve (117) are connected with methyl alcohol delivery pump (118) exit linkage through the methyl alcohol pipe, preliminary flow control carries out, methyl alcohol delivery pump (118) entry is connected with liquid methyl alcohol storage tank (14) discharge gate, pressure regulating valve (117) are connected with liquid methyl alcohol storage tank (14) pan feeding mouth through methyl alcohol return circuit (119).
2. The flameless oxidation heating reactor according to claim 1, wherein the oxidation heating catalyst (15) is a honeycomb ceramic carrier, and noble metals platinum and/or palladium are coated on the carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710608134.5A CN109289749B (en) | 2017-07-24 | 2017-07-24 | Flameless oxidation heating reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710608134.5A CN109289749B (en) | 2017-07-24 | 2017-07-24 | Flameless oxidation heating reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109289749A CN109289749A (en) | 2019-02-01 |
| CN109289749B true CN109289749B (en) | 2024-05-07 |
Family
ID=65167047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710608134.5A Active CN109289749B (en) | 2017-07-24 | 2017-07-24 | Flameless oxidation heating reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109289749B (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE617135A (en) * | 1961-05-05 | 1962-08-31 | Findus Reg Treuunternehmen | Process for recovering heat from waste gases arriving discontinuously from converters or electric arc furnaces |
| FR2330M (en) * | 1962-12-11 | 1964-02-10 | Pierre Baranger | New drugs based on fatty substance peroxides. |
| JPH0375201A (en) * | 1989-08-17 | 1991-03-29 | Mitsubishi Heavy Ind Ltd | Methanol reformer |
| DE102005061362B3 (en) * | 2005-12-21 | 2007-08-30 | Siemens Ag | Pressure control valve for injection system of multi-cylinder internal combustion engine, has closing body provided in non-controlled condition of actuator in closing position, where force acting on body is changed by controlling actuator |
| EP1882518A2 (en) * | 2006-07-27 | 2008-01-30 | MAN DWE GmbH | Method for modifying the temperature of a multi-tube reactor |
| WO2008092780A1 (en) * | 2007-01-30 | 2008-08-07 | Continental Automotive Gmbh | High-pressure pump and injection system for an internal combustion engine having a high-pressure pump |
| CN201589417U (en) * | 2009-12-08 | 2010-09-22 | 四川亚联高科技股份有限公司 | Catalytic combustion furnace for novel heat medium system |
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| CN105927406A (en) * | 2016-05-04 | 2016-09-07 | 山东大学 | Multi-point gas electric control spraying system and method based on pressure-time control |
| CN205731239U (en) * | 2016-05-17 | 2016-11-30 | 江阴济化新材料有限公司 | Reaction kettle of the esterification with flow-control |
| CN205808173U (en) * | 2016-06-27 | 2016-12-14 | 杨胜渊 | Flameless combustion device |
| CN206951205U (en) * | 2017-07-24 | 2018-02-02 | 大连盛大光明节能设备有限公司 | Nonflame oxidation heating reactor |
-
2017
- 2017-07-24 CN CN201710608134.5A patent/CN109289749B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| BE617135A (en) * | 1961-05-05 | 1962-08-31 | Findus Reg Treuunternehmen | Process for recovering heat from waste gases arriving discontinuously from converters or electric arc furnaces |
| FR2330M (en) * | 1962-12-11 | 1964-02-10 | Pierre Baranger | New drugs based on fatty substance peroxides. |
| JPH0375201A (en) * | 1989-08-17 | 1991-03-29 | Mitsubishi Heavy Ind Ltd | Methanol reformer |
| DE102005061362B3 (en) * | 2005-12-21 | 2007-08-30 | Siemens Ag | Pressure control valve for injection system of multi-cylinder internal combustion engine, has closing body provided in non-controlled condition of actuator in closing position, where force acting on body is changed by controlling actuator |
| EP1882518A2 (en) * | 2006-07-27 | 2008-01-30 | MAN DWE GmbH | Method for modifying the temperature of a multi-tube reactor |
| WO2008092780A1 (en) * | 2007-01-30 | 2008-08-07 | Continental Automotive Gmbh | High-pressure pump and injection system for an internal combustion engine having a high-pressure pump |
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| CN201589417U (en) * | 2009-12-08 | 2010-09-22 | 四川亚联高科技股份有限公司 | Catalytic combustion furnace for novel heat medium system |
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| CN104693015A (en) * | 2015-03-24 | 2015-06-10 | 江苏凯茂石化科技有限公司 | Methanol evaporation and oxidation process device for production of silver-method methanal |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109289749A (en) | 2019-02-01 |
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