CN206300933U - One kind is used for hydrogen from methyl alcohol catalyst activity verifying attachment - Google Patents
One kind is used for hydrogen from methyl alcohol catalyst activity verifying attachment Download PDFInfo
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- CN206300933U CN206300933U CN201621443120.XU CN201621443120U CN206300933U CN 206300933 U CN206300933 U CN 206300933U CN 201621443120 U CN201621443120 U CN 201621443120U CN 206300933 U CN206300933 U CN 206300933U
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- reaction tube
- hydrogen
- methyl alcohol
- catalyst activity
- verifying attachment
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Abstract
The utility model is related to a kind of for hydrogen from methyl alcohol catalyst activity verifying attachment, it is characterised in that：It includes the gauge line, constant-flux pump, vaporizer, reactor, condenser, spinner flowmeter, wet gas flow meter and the analytical instrument that are sequentially connected；The reactor center is reaction tube, and reaction tube built-in hollow thermocouple is followed successively by reaction tube heating mantle, reaction tube muff and reactor shell outside reaction tube；There is catalyst filling zone in the reaction tube.The utility model reaction unit is simple to operation, with preferable stability.Temperature control, air speed control can precisely be realized.
Description
Technical field
The utility model is related to one kind for hydrogen from methyl alcohol catalyst activity verifying attachment, and the device is mainly used in methyl alcohol
The activity assay of catalyst for preparing hydrogen and evaluation.
Background technology
Hydrogen is the main raw material of industry, is also most important industrial gasses and special gas, in petrochemical industry, electronics work
The aspects such as industry, metallurgical industry, food processing, float glass, Minute Organic Synthesis, Aero-Space have a wide range of applications.Methyl alcohol
Vapor reforming hydrogen production technology has larger competitive advantage with hydrogen field middle-size and small-size, develops comparatively fast in recent years, and its core is urged
Agent is with CuO, ZnO as active component, with Al2O3It is the solid catalyst of carrier, is issued in low pressure, 300 DEG C with methanol steam
Raw methanol decomposition and CO shift reaction, it is simple to operate, easily controllable, tradition is overcome with petroleum-type, natural gas or coal
For the investment that unstripped gas carrys out separating and preparing hydrogen is huge, and medium-sized and small enterprises water electrolysis hydrogen production energy resource consumption it is huge the shortcomings of, pass through
Reforming reaction generates a large amount of hydrogen and food-grade carbon-dioxide, and environmental toxic nuisance is produced without any, such catalyst and
Technology is by wide use.Existing various model reactors serve primarily in large-scale industry hydrogen manufacturing, and are applied to live
Property the mini-reactor evaluated, each company provides technology and serves primarily in commercial Application, and feature is that reactor is big, Catalyst packing
Amount is big, gas yield is high, and such reactor is designed premised on scale, is not suitable for being used as the work of reactor evaluations catalyst
Property is excellent.And catalyst activity evaluation aspect there is no suitable verifying attachment, manufacturing enterprise is according to the simple dress each formulated
Put or application data is Appreciation gist, the data obtained accuracy is low, and device technique condition adjustability is poor, is produced in selection to client
Arbitration when product, mode of examining goods and generation quality dispute all makes a big impact.
The content of the invention
The main solve problem of the utility model is hydrogen from methyl alcohol catalyst activity superior and inferior evaluating, there is provided a kind of small-sized methyl alcohol system
Hydrogen catalyst activity assay device, produces identical temperature, space velocity conditions and simulates hydrogen from methyl alcohol industry by control with enterprise
Flow, so as to obtain catalyst activity inspection data.The reaction unit has that small volume, material amounts be few, loaded catalyst
Few and easy to loading and unloading the advantages of, double-reactor design can simultaneously complete two inspections of sample, larger section under the same conditions
About cost, improve operating efficiency.
Technical solution of the present utility model：For hydrogen from methyl alcohol catalyst activity verifying attachment, it is characterised in that：It
Including be sequentially connected gauge line, constant-flux pump, vaporizer, reactor, condenser, spinner flowmeter, wet gas flow meter and
Analytical instrument；The reactor center is reaction tube, and reaction tube built-in hollow thermocouple is followed successively by reaction tube heating outside reaction tube
Set, reaction tube muff and reactor shell；There is catalyst filling zone in the reaction tube.
Usually, it is described for hydrogen from methyl alcohol catalyst activity verifying attachment, including two parallel arrangement of reactors.
The analytical instrument is gas chromatograph.
The reaction tube upper end connects unstripped gas, and lower end is that reaction gas outlet is connected with condenser.
Loading catalyst in the middle of the reaction tube, two ends filling porcelain ball, upper end has unstripped gas to enter the hole of beds
Hole.
The reaction pipe size is 140 × 465mm, thermocouple 680mm long, is placed in length 500mm in reaction tube.
The reaction tube heating mantle is the electric furnace heating wire for being wound in reaction tube heat-resistant pressure-resistant housing outer layer, by temperature programmed control.
The reaction tube insulation layer thickness 30cm, fills high-temperature-resistant thermal-insulation material.
Technological merit of the present utility model is：
1st, reaction unit is simple to operation, with preferable stability.
2nd, reaction unit is connected using pipeline, can precisely realize temperature control, air speed control.
3rd, the reactor uses fixed bed, and not easy to wear and efflorescence after catalyst filling, the reactor resistance is smaller, bed
The flowing of fluid compared with backmixed reactor, uses less catalyst and less reactor close to laminar flow in layer
Volume obtains larger yield.
, 4, the residence time of unstripped gas and reaction temperature can strictly control, be conducive to reaching high selectivity and conversion ratio, connect
Nearly industrial production control condition, inspection data is with more science.
5th, reaction tube uses special steel material, and heat transfer is more preferable, is more beneficial for managing interior equalized temperature.
6th, unique double-reactor design can simultaneously detect two samples, and larger improves operating efficiency, reduces heat
The waste of amount and unstripped gas.
Brief description of the drawings
Fig. 1 is the utility model embodiment reaction unit connection diagram.
Fig. 2 is reactor cross section structural representation in embodiment.
In figure, 1-1~1-2-gauge line；2-1~2-2-constant-flux pump；3-1~3-2-vaporizer；4-1~4-2-anti-
Answer device；5-1~5-2-condenser；6-1~6-4-spinner flowmeter；7-1~7-2-wet gas flow meter；8-gas phase
Chromatograph；9-reaction tube；10-catalyst filling zone；11-heating mantle；12-muff；13-reactor shell.
Specific embodiment
The utility model is described further with reference to implementation method and accompanying drawing.
Embodiment
The present embodiment hydrogen from methyl alcohol activity assay device is referring to accompanying drawing 1, main gauge line, the advection for including being sequentially connected
Pump, vaporizer, reactor, condenser, spinner flowmeter, wet gas flow meter and gas chromatograph, reaction unit is using pipe
Line is connected.The core component of the present apparatus be reactor, reactor medial launder upper end connection unstripped gas, lower end be reaction gas outlet with
Condenser is connected, and is connected by nut.
Embodiment structure of reactor is referring to Fig. 2, reaction tube（9）In the middle of reactor, reaction tube（9）Built-in hollow thermoelectricity
Even, reaction pipe size is 140 × 465mm, thermocouple 680mm long, and it is 500mm to be placed in length in reaction tube.Reaction tube material is selected
With the preferable special steel alloy of heat conduction, middle loading catalyst, two ends filling porcelain ball, upper end hole, so that unstripped gas entrance is urged
Agent bed reacts.Prior to reaction bottom of the tube one layer of flase floor of pad, insert 4-5 mm porcelain balls and strike reality, be filled to isothermal region and determined
Position, then one layer of copper mesh is added, it is that 5mm -6.0mm catalyst loads reaction tube and strikes reality by size, refill a certain amount of porcelain ball
After striking reality, nut is tightened.Reaction tube heating mantle is followed successively by outside reaction tube（11）, reaction tube muff（12）And reactor shell
（13）.700 DEG C of reactor temperature in use highest, pressure is 10MP, is reactor core part with reaction tube to be threadedly coupled；
Heating mantle is the electric furnace heating wire for being wound in reaction tube heat-resistant pressure-resistant housing outer layer, by temperature programmed control；Heat-insulation layer is located at heat-resistant housing
And shell body between, insulation layer thickness is 30cm, filling insulation material to keep core reaction device temperature stabilization, beneficial to react into
OK.
Reaction tube supplied gas are preheated, are reacted use, in high temperature and hydrogen, methyl alcohol corrosion, from anti-corrosion and high strength
Special steel alloy；Skin temperature is relatively low, corrosion-free, using Aldecor；Nuts uses stainless steel.
Above-mentioned reaction tube is loaded into reactor nut to connect, is fixed on device by support, after each pipeline connection i.e.
Activity assay can be carried out.
Embodiment device includes two reactors being mounted in parallel.
Embodiment device is such to running：Certain proportion methyl alcohol and water mixed liquid are measured through gauge line (1-1~1-2)
Afterwards, squeeze into vaporizer (3-1~3-2) through constant-flux pump (2-1~2-2) to vaporize, methyl alcohol and water mixed gas are by reaction after vaporization
Beds in device (4-1~4-2), spinner flowmeter (6-1~6-2) control gas space velocity, under uniform temperature and pressure
Generation cracking reaction generates hydrogen and carbon dioxide, and reaction obtains gas and enters condenser（5-1~5-2）, remove remaining first
Alcohol and water, hydrogen and carbon dioxide, by wet gas flow meter (7-1~7-2) measurement unit time gas yield, enter back into
Gas chromatograph (8) measures the content of hydrogen in mixed gas.
Claims (8)
- It is 1. a kind of to be used for hydrogen from methyl alcohol catalyst activity verifying attachment, it is characterised in that：It includes the gauge line being sequentially connected, puts down Stream pump, vaporizer, reactor, condenser, spinner flowmeter, wet gas flow meter and analytical instrument；The reactor center It is reaction tube, reaction tube heating mantle, reaction tube muff and reactor shell is followed successively by outside reaction tube；Urged in the reaction tube Agent filling area.
- 2. according to claim 1 for hydrogen from methyl alcohol catalyst activity verifying attachment, it is characterised in that：It includes two Parallel arrangement of reactor.
- 3. according to claim 1 for hydrogen from methyl alcohol catalyst activity verifying attachment, it is characterised in that：The analyzer Device is gas chromatograph.
- 4. according to claim 1 for hydrogen from methyl alcohol catalyst activity verifying attachment, it is characterised in that：The reaction tube Upper end connects unstripped gas, and lower end is that reaction gas outlet is connected with condenser.
- 5. according to claim 1 or 4 for hydrogen from methyl alcohol catalyst activity verifying attachment, it is characterised in that：It is described anti- Should loading catalyst in the middle of pipe, two ends filling porcelain ball, upper end has unstripped gas to enter the hole of beds.
- 6. according to claim 1 for hydrogen from methyl alcohol catalyst activity verifying attachment, it is characterised in that：The reaction tube Size is 140 × 465mm, thermocouple 680mm long, is placed in length 500mm in reaction tube.
- 7. according to claim 1 for hydrogen from methyl alcohol catalyst activity verifying attachment, it is characterised in that：The reaction tube Heating mantle is the electric furnace heating wire for being wound in reaction tube heat-resistant pressure-resistant housing outer layer, by temperature programmed control.
- 8. according to claim 1 for hydrogen from methyl alcohol catalyst activity verifying attachment, it is characterised in that：The reaction tube Insulation layer thickness 30cm, fills high-temperature-resistant thermal-insulation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621443120.XU CN206300933U (en) | 2016-12-27 | 2016-12-27 | One kind is used for hydrogen from methyl alcohol catalyst activity verifying attachment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621443120.XU CN206300933U (en) | 2016-12-27 | 2016-12-27 | One kind is used for hydrogen from methyl alcohol catalyst activity verifying attachment |
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| Publication Number | Publication Date |
|---|---|
| CN206300933U true CN206300933U (en) | 2017-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621443120.XU Active CN206300933U (en) | 2016-12-27 | 2016-12-27 | One kind is used for hydrogen from methyl alcohol catalyst activity verifying attachment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940767A (en) * | 2019-11-11 | 2020-03-31 | 中国科学院金属研究所 | Device and method for researching same-position microstructure evolution of heterogeneous catalyst in gas-phase catalytic system |
-
2016
- 2016-12-27 CN CN201621443120.XU patent/CN206300933U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940767A (en) * | 2019-11-11 | 2020-03-31 | 中国科学院金属研究所 | Device and method for researching same-position microstructure evolution of heterogeneous catalyst in gas-phase catalytic system |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Liuhe District of Nanjing City, Jiangsu province 210048 geguan Road No. 699 Patentee after: China Petroleum & Chemical Corp. Patentee after: SINOPEC NANJING CHEMICAL RESEARCH INSTITUTE Co.,Ltd. Address before: Liuhe District of Nanjing City, Jiangsu province 210048 geguan Road No. 699 Patentee before: China Petroleum & Chemical Corp. Patentee before: Nanhua Group Research Institute |