CN203190616U - Gas heating device for catalytic performance detection - Google Patents
Gas heating device for catalytic performance detection Download PDFInfo
- Publication number
- CN203190616U CN203190616U CN 201320209599 CN201320209599U CN203190616U CN 203190616 U CN203190616 U CN 203190616U CN 201320209599 CN201320209599 CN 201320209599 CN 201320209599 U CN201320209599 U CN 201320209599U CN 203190616 U CN203190616 U CN 203190616U
- Authority
- CN
- China
- Prior art keywords
- gas
- coil pipe
- heating apparatus
- catalyst performance
- performance detection
- 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 - Lifetime
Links
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model relates to a gas heating device for catalytic performance detection, and belongs to the technical field of electrical heating. The gas heating device comprises a hollow coiler and a transformation mechanism, wherein the hollow coiler and the transformation mechanism form a heating loop, and a catalyst is led in the hollow coiler. The transformation mechanism comprises a power controller, a transformer and a current-conducting rod, wherein the power controller, the transformer and the current-conducting rod are sequentially connected, and the current-conducting rod is respectively connected with the secondary voltage of the transformer and the two ends of the hollow coiler. The gas heating device uses the metal coiler with the appropriate wall thickness as a heating element to directly heat gas in the coiler, the gas heating device has the advantages of being simple in structure, high in heating efficiency, low in power dissipation and easy to maintain, and the temperature rise rate can be up to 100 DEG C per minute.
Description
Technical field
The utility model relates to the device in a kind of electric-heating technology field, specifically is a kind of gas-heating apparatus for the catalyst performance detection.
Background technology
In the vehicle exhaust gas systems product development process, it is one of link of most critical in the whole development process that the catalyst sample performance is estimated, adjust formula for a product and production technology by the reliable test data that performance evaluation obtains, make the product of final formation can satisfy emission regulation demands.The screening test in laboratory i.e. alleged catalyst sample evaluation test usually, refer to get at powder or at the integer catalyzer of large volume that the sub-fraction representative sample carries out, have the test period short, experimental condition is controlled, comparison of test results good and cheapness plurality of advantages easily, be a kind of experimental rig of easily going fast, in the screening R﹠D process of catalyst formulation, play an important role.
Catalyst sample evaluating apparatus mainly is to use cyclinder gas simulated engine exhaust gas discharged component, makes it pass through catalyst sample after the heating, comes the performance of evaluate catalysts by the transformation efficiency of measurement gas.In the catalyst performance evaluation device, traditional gas mode of heating is by the resistance furnace heated air, and heating rate is the highest to be no more than 30 ℃/min.But engine heating rate when real work is very fast, and delivery temperature can rise to more than 300 ℃ in 30s fast.For the serviceability of objective reality ground catalysts more, in evaluation procedure, wish the state consistency when experimental condition can be with the engine operate as normal or approach, use traditional gas mode of heating then can't realize the function of simulated engine duty.
Find through the retrieval to prior art, Chinese patent literature CN101566385, day for announcing 2009-10-28, put down in writing a kind of high-pressure gaseous, the liquid medium electric heater for heating, this device comprises one section spiral helicine metal coil pipe, the entrance and exit of the two ends of metal coil pipe for entering and flow out for heated medium, in the spiral inner chamber of spiral coil, vertically be inserted with a plurality of electric heating tubes, electric heating tube is evenly arranged and is close to the spiral internal diameter wall along the spiral internal diameter wall of spiral coil, metal coil pipe and electric heating tube are cast in by containing in the matrix of a metal casting body, and the entrance and exit of the terminals of electric heating tube and metal coil pipe stretches out the metal casting body.
But this device electric heating tube closely is arranged on the spiral internal diameter wall, complex manufacturing technology, and cost is higher, and is inconvenient to safeguard, changes difficulty if the part electric heating tube damages the back.In addition this device be by heating tube as thermal source, through the metal coil pipe pass to the pipe in gas or liquid, the efficiency of heating surface is low.
The utility model content
The utility model is at the prior art above shortcomings, a kind of gas-heating apparatus for the catalyst performance detection is proposed, can solve the low problem of heating rate, the catalyst performance evaluation experimental condition can be approached with the engine normal operating conditions, thereby make result of the test more true and reliable.
The utility model is achieved through the following technical solutions, and the utility model comprises: constitute hollow coil pipe and the transformation mechanism of heating circuit, wherein: feed gas in the hollow coil pipe.
Described transformation mechanism comprises: the power controller of Lian Jieing, transformer and the contact rod that links to each other with hollow coil pipe two ends with transformer secondary output respectively successively.
Described contact rod is the solid metal rod.
The diameter of described hollow coil pipe is 50-100mm, comprising: be positioned at the straight-tube portion and the curved tube part that is positioned at the middle part at two ends, wherein: curved tube partly for coiling shape structure, is total to the 2-8 layer, and every interlamellar spacing is 10-30mm; The length of straight-tube portion is 150mm.
As air inlet and the gas outlet of hollow coil pipe, this straight-tube portion is provided with the ceramic insulation electrode to described straight-tube portion respectively.
Beneficial effect
Compared with prior art, gas-heating apparatus of the present utility model with the metal coil pipe self of proper wall thickness as gas in the direct heating tube of heater, have simple in structure, the efficiency of heating surface is high, low in energy consumption, the advantage that is easy to safeguard, heating rate reaches as high as 100 ℃/min.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of hollow coil pipe.
Fig. 3 is the vertical view of hollow coil pipe.
The specific embodiment
Below embodiment of the present utility model is elaborated; present embodiment is being to implement under the prerequisite with technical solutions of the utility model; provided detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
As shown in Figure 1, present embodiment comprises: constitute hollow coil pipe 1 and the transformation mechanism 2 of heating circuit, wherein: feed gas in the hollow coil pipe 1.
Described transformation mechanism 2 comprises: the power controller 3 of Lian Jieing, transformer 4 and the contact rod 5 that links to each other with hollow coil pipe 1 two ends with 4 levels of transformer respectively successively.
Described power controller 3 input voltages are 400V, and output voltage is 0-400V.
Described transformer 4 rated voltages are 400V, and voltage ratio is 10.
Described contact rod 5 is the solid metal rod.
The diameter D of described hollow coil pipe 1
1Be 50-100mm, comprise: be positioned at the straight-tube portion 6 and the curved tube part 7 that is positioned at the middle part at two ends, wherein: curved tube part 7 is total to the 2-8 layer, every interlamellar spacing L for coiling shape structure
1Be 10-30mm; The length L of straight-tube portion 6
2Be 150mm.
As the air inlet 8 and gas outlet 9 of hollow coil pipe 1, this straight-tube portion 6 is provided with ceramic insulation electrode 10 to described straight-tube portion 6 respectively.
Be provided with adapter assembly 11 between described hollow coil pipe 1 and the transformation mechanism 2, this adapter assembly 11 is three-port structure.
During the work of this device, at first gas piping is connected with air inlet 8, feed a certain amount of gas that is heated, according to the gas target temperature, regulate power controller 3 power outputs, the big electric current of output can produce heat fast after coil pipe 1 turn-on current and pass to the interior gas of flowing pipe to coil pipe 1 behind transformer 4, and gas is heated rapidly.Square being directly proportional of the heat that coil pipe 1 produces and electric current, so the size of adjustment input current that can be by measuring gas port 9 place's gases is to reach the requirement of different tests temperature.
Claims (9)
1. one kind is used for the gas-heating apparatus that catalyst performance detects, and it is characterized in that, comprising: constitute hollow coil pipe and the transformation mechanism of heating circuit, wherein: feed gas in the hollow coil pipe.
2. the gas-heating apparatus that detects for catalyst performance according to claim 1 is characterized in that, described transformation mechanism comprises: the power controller of Lian Jieing, transformer and the contact rod that links to each other with hollow coil pipe two ends with transformer secondary output respectively successively.
3. the gas-heating apparatus for the catalyst performance detection according to claim 1 is characterized in that described power controller input voltage is 400V, and output voltage is 0-400V; Described transformer rated voltage is 400V, and voltage ratio is 10.
4. the gas-heating apparatus for the catalyst performance detection according to claim 1 is characterized in that the diameter of described hollow coil pipe is 50-100mm.
5. the gas-heating apparatus for the catalyst performance detection according to claim 1 is characterized in that described hollow coil pipe comprises: the straight-tube portion and the curved tube part that is positioned at the middle part that are positioned at two ends.
6. the gas-heating apparatus for the catalyst performance detection according to claim 5 is characterized in that, described curved tube partly for coiling shape structure, is total to the 2-8 layer, and every interlamellar spacing is 10-30mm.
7. the gas-heating apparatus for the catalyst performance detection according to claim 5 is characterized in that the length of described straight-tube portion is 150mm.
8. according to claim 5 or 7 described gas-heating apparatus for the catalyst performance detection, it is characterized in that as air inlet and the gas outlet of hollow coil pipe, this straight-tube portion is provided with the ceramic insulation electrode to described straight-tube portion respectively.
9. the gas-heating apparatus for the catalyst performance detection according to claim 1 is characterized in that be provided with adapter assembly between described hollow coil pipe and the transformation mechanism, this adapter assembly is three-port structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320209599 CN203190616U (en) | 2013-04-23 | 2013-04-23 | Gas heating device for catalytic performance detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320209599 CN203190616U (en) | 2013-04-23 | 2013-04-23 | Gas heating device for catalytic performance detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203190616U true CN203190616U (en) | 2013-09-11 |
Family
ID=49107471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320209599 Expired - Lifetime CN203190616U (en) | 2013-04-23 | 2013-04-23 | Gas heating device for catalytic performance detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203190616U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109456777A (en) * | 2018-12-03 | 2019-03-12 | 中国船舶重工集团公司第七〇九研究所 | Novel pyrolytic furnace |
-
2013
- 2013-04-23 CN CN 201320209599 patent/CN203190616U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109456777A (en) * | 2018-12-03 | 2019-03-12 | 中国船舶重工集团公司第七〇九研究所 | Novel pyrolytic furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Yu et al. | Combustion characteristics and thermal efficiency for premixed porous-media types of burners | |
| CN203190616U (en) | Gas heating device for catalytic performance detection | |
| CN115290288A (en) | Ultrahigh-temperature pure air generation system and method for simulating Ma8 environment | |
| CN105371909A (en) | Novel micro-flow heat-distributed mass flow meter based on stabilized power source | |
| CN203298484U (en) | Air heater | |
| CN201166450Y (en) | Porcelain enamel electric heating membrane heating apparatus | |
| CN202188648U (en) | Eddy-induction energy-saving heating device | |
| CN106769814B (en) | Low-temperature corrosion detection system and detection method thereof | |
| CN203413279U (en) | Helical pipeline electromagnetic heating device | |
| CN102530887A (en) | Method for sulfuric acid conversion heating | |
| CN2760892Y (en) | Automatic constant temperature heating device | |
| CN203365192U (en) | Gas catalytic oxidation furnace for monitoring and sampling of <14>C of air | |
| CN101504134A (en) | Hyperacoustic frequency steam boiler | |
| CN203429209U (en) | High-efficient annealing furnace | |
| CN203120192U (en) | Carbon fiber heating pipe | |
| CN108072172B (en) | Direct high-efficient electric heater | |
| CN206514518U (en) | A kind of direct-type efficient electric heater | |
| CN201828006U (en) | Pipeline fluid heater | |
| CN201359276Y (en) | Superaudio steam boiler | |
| CN202931580U (en) | Instant heating type heater | |
| CN206924604U (en) | The experimental provision of object gas is catalytically decomposed in low temperature plasma | |
| CN208140462U (en) | A kind of gas high-temperature heating equipment | |
| CN203572002U (en) | Intelligent instant constant-temperature electric heater | |
| CN102418990A (en) | Electromagnetic induction heat exchanger | |
| CN209960740U (en) | Corrosion-resistant electric heating device and heating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130911 |
|
| CX01 | Expiry of patent term |