CN201679586U - Reacting device for thermally cracking methanol by utilizing residue heat of engine exhaust gas - Google Patents
Reacting device for thermally cracking methanol by utilizing residue heat of engine exhaust gas Download PDFInfo
- Publication number
- CN201679586U CN201679586U CN201020165680XU CN201020165680U CN201679586U CN 201679586 U CN201679586 U CN 201679586U CN 201020165680X U CN201020165680X U CN 201020165680XU CN 201020165680 U CN201020165680 U CN 201020165680U CN 201679586 U CN201679586 U CN 201679586U
- Authority
- CN
- China
- Prior art keywords
- methyl alcohol
- methanol
- connecting tube
- exhaust heat
- housing
- 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 - Fee Related
Links
Images
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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model discloses a reaction device for thermally cracking methanol by utilizing residue heat of engine exhaust gas. The reaction device is characterized by comprising a methanol storing tank, an exhaust gas residue heat absorber and a methanol cracking reactor, wherein the exhaust gas residue heat absorber is communicated with the methanol cracking reactor; the methanol storing tank is communicated with the exhaust gas residue heat absorber through a first methanol connecting pipe; the exhaust gas residue heat absorber is connected with the methanol cracking reactor through a second methanol connecting pipe; the first methanol connecting pipe and the second methanol connecting pipe are respectively provided with a pulse flow meter and an electromagnetic valve; and the methanol cracking reactor is provided with a cracking gas outlet. The utility model has the advantages that the utilization rate of residue heat of engine exhaust gas and the gas yield amount of methanol cracking gas are enhanced; by adopting the electromagnetic valve controlled by the pulse signal to carry out the fixed-time discontinuous injection and spraying of methanol, the traditional continuous methanol charging method is changed, the controllability of methanol charging speed is improved, and the gas yield efficiency of the cracking reactor is enhanced; and the whole device has compact structure and little occupation space.
Description
Technical field
The utility model relates to a kind of lytic response device of methyl alcohol, especially relates to a kind of reaction device that utilizes the engine exhaust heat dissociated methanol.
Background technique
At present energy crisis is on the rise with environmental pollution, and energy-saving and emission-reduction become the focus that people pay close attention to, and methyl alcohol to be renewable resources and wide material sources, reserves enrich, from oil, coal, plant, all can extract methyl alcohol.CO that produces behind the methanol decomposition and H
2Be important chemical, pharmacy, materials processing and metallurgical raw material, dissociated methanol gas still is good motor fuel simultaneously, has good poor oil firing's performance with its internal-combustion engine that acts as a fuel, can improve combustion efficiency, obtain through the experiment contrast: the combustion efficiency of dissociated methanol gas is higher by 34% than uncracked methyl alcohol, and is higher by 60% than gasoline; In addition, the burning of dissociated methanol gas can improve the exhaust performance of motor significantly, belongs to smokeless combustion, and the NOx discharging can reduce an order of magnitude, and carbon monoxide and hydro carbons discharging also decrease.And, therefore also can utilize the tail gas used heat of motor to provide heat for lytic response because methanol decomposition is heat absorption reaction.
Mainly there is following problem in the technology of traditional exhaust heat dissociated methanol that utilizes motor:
(1) delivery temperature of motor is bigger with the amplitude of variation of operating mode, and when underrun or firm Starter, delivery temperature is lower, is difficult to satisfy the requirement of methanol decomposition reaction pair temperature especially;
(2) delivery temperature and methanol decomposition require the temperature difference between the temperature bigger, and the reuse efficiency of exhaust heat is lower;
(3) traditional technology of utilizing the engine exhaust heat dissociated methanol is difficult to the methanol feed speed controlling, and device is had higher insulation requirement, and methanol decomposition efficient is lower simultaneously, and gas production is less, is difficult to practical requirement;
(4) traditional reaction device that utilizes the engine exhaust heat dissociated methanol needs independent methyl alcohol vaporization chamber, thereby causes whole device big, complex process, practical application inconvenience.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of compact structure, uses the reaction device that utilizes the engine exhaust heat dissociated methanol convenient, that utilization rate of waste heat is high, the dissociated methanol gas gas production is big.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: a kind of reaction device that utilizes the engine exhaust heat dissociated methanol, comprise the methyl alcohol storage tank, exhaust heat adsorber and methanol decomposition reactor, described exhaust heat adsorber is connected with described methanol decomposition reactor, be communicated with by the first methyl alcohol connecting tube between described methyl alcohol storage tank and the described exhaust heat adsorber, be connected with the second methyl alcohol connecting tube between described exhaust heat adsorber and the described methanol decomposition reactor, be provided with pulse flow meter and solenoid valve on the described first methyl alcohol connecting tube and the second methyl alcohol connecting tube, described methanol decomposition reactor is provided with the cracking gas outlet.
Described exhaust heat adsorber comprises first housing and is arranged on the interior downtake pipe of described first housing, one end of described downtake pipe is communicated with exhaust outlet on described first housing, described first housing is provided with methyl alcohol import and methyl alcohol outlet, described methyl alcohol import is connected with the described first methyl alcohol connecting tube, and described methyl alcohol outlet is connected with an end of the described second methyl alcohol connecting tube.
Described methanol decomposition reactor comprises second housing and is arranged on the interior second exhaust pipe of described second housing and methyl alcohol dropping pipe, the upper end that described methyl alcohol drips pipe is connected with the other end of the described second methyl alcohol connecting tube, the underpart that described methyl alcohol drips pipe is provided with a plurality of droppings hole, the described second housing internal fixation is provided with the ventilative barrier film of two certain intervals that are arranged above and below and have, the ventilative barrier film that is in the below is arranged on the top in described dropping hole, the upper end of described second exhaust pipe is communicated with the other end of described downtake pipe, the lower end of described second exhaust pipe is communicated with exhaust gas intake port on described second housing, and described cracking gas outlet is arranged on described second housing.
Be provided with thermocouple in described second housing, the described second housing outer fixing is arranged with electric heater, described thermocouple and described electric heater are electrically connected with temperature controlling instrument respectively, by adopting exhaust heat to carry out methanol decomposition, strengthened the controllability of the reaction temperature of methanol decomposition reactor in conjunction with the mode of thermoelectric control.
The described first methyl alcohol connecting tube is provided with filter, and described filter is arranged on the place ahead of described solenoid valve.
Be provided with electromagnetic metering pump between described exhaust heat adsorber and the described methyl alcohol storage tank, the described first methyl alcohol connecting tube is connected with described electromagnetic metering pump, be connected by the 3rd methyl alcohol connecting tube between described electromagnetic metering pump and the described methyl alcohol storage tank, described the 3rd methyl alcohol connecting tube is provided with stop valve.
Solenoid valve on the described second methyl alcohol connecting tube is an impulse electromagnetic valve.
Compared with prior art, the utility model has the advantages that by this device and can improve the utilization ratio of engine exhaust heat and the gas production of dissociated methanol gas, because the second housing internal fixation of methanol decomposition reactor is provided with the ventilative barrier film of two certain intervals that are arranged above and below and have, reactor methyl alcohol evaporation zone, cracking zone, buffer area have been divided into, and insert different catalyzer according to the response characteristic of each reaction zone, make that the catalytic effect of each catalyst component is fully played, the lytic effect of methanol decomposition reactor is improved; And the exhaust heat adsorber heats up earlier to the methyl alcohol that carries out before the cracking, has improved the utilization ratio of engine exhaust heat, has also strengthened the controllability to methanol feed speed simultaneously, has increased the feed rate of methyl alcohol, has improved the gas production of cracking reactor; In addition, adopt the solenoid valve of pulse signal control to carry out the timing interruption splash loading of methyl alcohol, changed traditional methyl alcohol continuous charging mode, strengthened the controllability of methanol feed speed, also improved the gas producing efficiency of cracking reactor; Whole apparatus structure compactness, it is few to take up space, and is fit to practical application.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of exhaust heat adsorber of the present utility model;
Fig. 3 is the cross sectional representation of exhaust heat adsorber of the present utility model;
Fig. 4 is the structural representation of methanol decomposition reactor of the present utility model;
Fig. 5 is the cross sectional representation of methanol decomposition reactor of the present utility model.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in the figure, a kind of reaction device that utilizes the engine exhaust heat dissociated methanol, comprise methyl alcohol storage tank 1, electromagnetic metering pump 2, exhaust heat adsorber 4 and methanol decomposition reactor 5, be connected by the 3rd methyl alcohol connecting tube 11 between electromagnetic metering pump 2 and the methyl alcohol storage tank 1, the 3rd methyl alcohol connecting tube 11 is provided with stop valve 12, exhaust heat adsorber 4 comprises first housing 41 and the downtake pipe 42 that is arranged in first housing 41, one end of downtake pipe 42 is communicated with exhaust outlet 411 on first housing 41, first housing 41 is provided with methyl alcohol import 43 and methyl alcohol outlet 44, be communicated with by the first methyl alcohol connecting tube 45 between electromagnetic metering pump 2 and the methyl alcohol import 43, methanol decomposition reactor 5 comprises second housing 51 and is arranged on 51 interior second exhaust pipe 52 and the methyl alcohol droppings of second housing manages 53, the upper end that methyl alcohol drips pipe 53 be communicated with by the second methyl alcohol connecting tube 46 between methyl alcohol exports 44, the underpart that methyl alcohol drips pipe 53 is provided with a plurality of droppings hole 531, second housing, 51 internal fixation are provided with the ventilative barrier film 54 of two certain intervals that are arranged above and below and have, the ventilative barrier film 54 that is in the below is arranged on the top that drips hole 531, the upper end of second exhaust pipe 52 is communicated with the other end of downtake pipe 42, the lower end of second exhaust pipe 52 is communicated with exhaust gas intake port 511 on second housing 51, be provided with thermocouple 56 in second housing 51, second housing, 51 outer fixing are arranged with electric heater 57, thermocouple 56 and electric heater 57 are electrically connected with temperature controlling instrument 58 respectively, be arranged on cracking gas outlet 55 on second housing 51, be provided with pulse flow meter 6 and solenoid valve 7 on the first methyl alcohol connecting tube 45 and the second methyl alcohol connecting tube 46, and the solenoid valve on the second methyl alcohol connecting tube 46 7 is an impulse electromagnetic valve, the first methyl alcohol connecting tube 45 is provided with filter 8, and filter 8 is arranged on the place ahead of solenoid valve 7.
The methanol decomposition process of this device is: the exhaust gas intake port 511 of this device is installed on the exhaust outlet of motor, open stop valve 12, allow methyl alcohol flow in first housing 41 of exhaust heat adsorber 4 through electromagnetic metering pump 2, methyl alcohol is in first housing 41 behind the pre-heating temperature elevation, open the impulse electromagnetic valve 7 on the second methyl alcohol connecting tube 46, spraying into methyl alcohol by impulse electromagnetic valve 7 drips in the pipe 53, and methanol decomposition reactor 5 is divided into the evaporation cracking zone from bottom to top by ventilative barrier film 54, cracking main reaction region and cracking buffer area, in each zone, insert corresponding catalyzer, methyl alcohol sprays into the evaporation cracking zone from the dropping hole 531 that methyl alcohol drips pipe 53, under the effect of this district's catalyzer, form preliminary dissociated methanol gas, preliminary dissociated methanol gas carries out abundant cracking under the effect of cracking main reaction region catalyzer, the uncracked methanol steam of fraction carries out cracking again at the cracking buffer area, last methyl alcohol through the abundant cracking in three districts after dissociated methanol gas flow out methanol decomposition reactors 5 from cracking gas outlet 55, and dissociated methanol gas (being hydrogen of producing of dissociated methanol etc.) can be sent into engine combustion-supporting, makes motor reach the purpose of energy-saving and emission-reduction.
In the above-mentioned cracking process, when methanol decomposition reactor 5 has just started or during little load operation at motor, mainly utilize 57 pairs of methanol decomposition reactor 5 heat supplies of electric heater, when motor during in middle high load stable operation, electric heater 57 stops heat supply, methanol decomposition reactor 5 carries out methanol decomposition by the exhaust heat that absorbs motor, and the dissociated methanol gas after the cracking also can be used as the fuel use of internal-combustion engine, is used for commercial Application after also can purifying.
Claims (7)
1. reaction device that utilizes the engine exhaust heat dissociated methanol, it is characterized in that comprising the methyl alcohol storage tank, exhaust heat adsorber and methanol decomposition reactor, described exhaust heat adsorber is connected with described methanol decomposition reactor, be communicated with by the first methyl alcohol connecting tube between described methyl alcohol storage tank and the described exhaust heat adsorber, be connected with the second methyl alcohol connecting tube between described exhaust heat adsorber and the described methanol decomposition reactor, be provided with pulse flow meter and solenoid valve on the described first methyl alcohol connecting tube and the second methyl alcohol connecting tube, described methanol decomposition reactor is provided with the cracking gas outlet.
2. a kind of reaction device that utilizes the engine exhaust heat dissociated methanol as claimed in claim 1, it is characterized in that described exhaust heat adsorber comprises first housing and is arranged on the interior downtake pipe of described first housing, one end of described downtake pipe is communicated with exhaust outlet on described first housing, described first housing is provided with methyl alcohol import and methyl alcohol outlet, described methyl alcohol import is connected with the described first methyl alcohol connecting tube, and described methyl alcohol outlet is connected with an end of the described second methyl alcohol connecting tube.
3. a kind of reaction device that utilizes the engine exhaust heat dissociated methanol as claimed in claim 2, it is characterized in that described methanol decomposition reactor comprises second housing and is arranged on the interior second exhaust pipe of described second housing and methyl alcohol dropping pipe, the upper end that described methyl alcohol drips pipe is connected with the other end of the described second methyl alcohol connecting tube, the underpart that described methyl alcohol drips pipe is provided with a plurality of droppings hole, the described second housing internal fixation is provided with the ventilative barrier film of two certain intervals that are arranged above and below and have, the ventilative barrier film that is in the below is arranged on the top in described dropping hole, the upper end of described second exhaust pipe is communicated with the other end of described downtake pipe, the lower end of described second exhaust pipe is communicated with exhaust gas intake port on described second housing, and described cracking gas outlet is arranged on described second housing.
4. a kind of reaction device that utilizes the engine exhaust heat dissociated methanol as claimed in claim 3, it is characterized in that being provided with thermocouple in described second housing, the described second housing outer fixing is arranged with electric heater, and described thermocouple and described electric heater are electrically connected with temperature controlling instrument respectively.
5. a kind of reaction device that utilizes the engine exhaust heat dissociated methanol as claimed in claim 1 is characterized in that the described first methyl alcohol connecting tube is provided with filter, and described filter is arranged on the place ahead of described solenoid valve.
6. a kind of reaction device that utilizes the engine exhaust heat dissociated methanol as claimed in claim 1, it is characterized in that being provided with electromagnetic metering pump between described exhaust heat adsorber and the described methyl alcohol storage tank, the described first methyl alcohol connecting tube is connected with described electromagnetic metering pump, be connected by the 3rd methyl alcohol connecting tube between described electromagnetic metering pump and the described methyl alcohol storage tank, described the 3rd methyl alcohol connecting tube is provided with stop valve.
7. a kind of reaction device that utilizes the engine exhaust heat dissociated methanol as claimed in claim 1 is characterized in that the solenoid valve on the described second methyl alcohol connecting tube is an impulse electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020165680XU CN201679586U (en) | 2010-04-15 | 2010-04-15 | Reacting device for thermally cracking methanol by utilizing residue heat of engine exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020165680XU CN201679586U (en) | 2010-04-15 | 2010-04-15 | Reacting device for thermally cracking methanol by utilizing residue heat of engine exhaust gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201679586U true CN201679586U (en) | 2010-12-22 |
Family
ID=43344632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020165680XU Expired - Fee Related CN201679586U (en) | 2010-04-15 | 2010-04-15 | Reacting device for thermally cracking methanol by utilizing residue heat of engine exhaust gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201679586U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562225A (en) * | 2011-12-30 | 2012-07-11 | 中北大学 | Silencing, cracking and coupling device of engine for methanol cars |
| CN102865165A (en) * | 2011-07-05 | 2013-01-09 | 鹏发股份有限公司 | Fuel regeneration system of internal combustion engine |
| CN103693618A (en) * | 2013-12-19 | 2014-04-02 | 华南理工大学 | Hydrogen production reactor for carrying out autothermal reforming hydrogen production employing car exhaust waste heat |
| TWI454640B (en) * | 2012-07-06 | 2014-10-01 | ||
| CN104612861A (en) * | 2014-07-15 | 2015-05-13 | 李子京 | Methanol-hydrogen fuel engine |
| US10160646B2 (en) | 2013-07-23 | 2018-12-25 | Industrial Technology Research Institute | Waste heat recovery apparatus and waste heat recovery method |
-
2010
- 2010-04-15 CN CN201020165680XU patent/CN201679586U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865165A (en) * | 2011-07-05 | 2013-01-09 | 鹏发股份有限公司 | Fuel regeneration system of internal combustion engine |
| CN102562225A (en) * | 2011-12-30 | 2012-07-11 | 中北大学 | Silencing, cracking and coupling device of engine for methanol cars |
| TWI454640B (en) * | 2012-07-06 | 2014-10-01 | ||
| US10160646B2 (en) | 2013-07-23 | 2018-12-25 | Industrial Technology Research Institute | Waste heat recovery apparatus and waste heat recovery method |
| CN103693618A (en) * | 2013-12-19 | 2014-04-02 | 华南理工大学 | Hydrogen production reactor for carrying out autothermal reforming hydrogen production employing car exhaust waste heat |
| CN103693618B (en) * | 2013-12-19 | 2015-04-22 | 华南理工大学 | Hydrogen production reactor for carrying out autothermal reforming hydrogen production employing car exhaust waste heat |
| CN104612861A (en) * | 2014-07-15 | 2015-05-13 | 李子京 | Methanol-hydrogen fuel engine |
| CN104612861B (en) * | 2014-07-15 | 2017-02-01 | 宁波吉宏醇氢动力技术有限公司 | Methanol-hydrogen fuel engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201679586U (en) | Reacting device for thermally cracking methanol by utilizing residue heat of engine exhaust gas | |
| CN100579815C (en) | Electric automobile of hydrogen hybrid powder | |
| CN103352777B (en) | Hydrogen engine system | |
| CN101982653B (en) | Preparation and storage device of reformed gas and control method thereof | |
| CN102121418B (en) | Reformed gas-gasoline blended fuel internal combustion engine and control method | |
| CN104612861A (en) | Methanol-hydrogen fuel engine | |
| CN102431434B (en) | Hydrogen cell mixed power automobile | |
| CN203321706U (en) | Hydrogen energy engine system | |
| CN202023613U (en) | Methanol cracking gas making device utilizing waste heat of tail gas emitted by internal combustion engine | |
| WO2012155122A2 (en) | Mixed-mode combustion methods enabled by fuel reformers and engines using the same | |
| CN101251044A (en) | Apparatus for petrol engine combustion methanol cracking gas | |
| CN112983689A (en) | Vehicle-mounted methanol and/or ethanol hydrogen production device based on engine tail gas preheating | |
| CN107435601A (en) | Alcohol hydrogen fuel combination dynamical system | |
| CN111305947A (en) | Methanol and hydrogen dual-fuel power system | |
| CN102606351A (en) | Automatic hydrogen and oxygen generation method for engine and energy-saving equipment | |
| CN101135273B (en) | Ignition type engine directly burning methanol cracking product and control method thereof | |
| Ma et al. | The improvements of a diesel engine fueled with renewable and sustainable diesel/n-butanol/polyoxymethylene dimethyl ethers blended fuels at high altitudes | |
| CN201003443Y (en) | Diesel engine discharge system possessing fuel oil reforming device | |
| CN1327121C (en) | Methane fuel engine with very low discharge | |
| CN103075275B (en) | Hydrogen enriching exhaust recirculator for waste heat recovery of internal-combustion engine | |
| CN109630245B (en) | Light hydrocarbon/diesel fuel reforming system and reforming method | |
| CN201991593U (en) | Vehicle-mounted hydrogen-making exhaust pipe | |
| CN202389189U (en) | Hydrogen-powered hybrid car | |
| CN212272392U (en) | Methanol and hydrogen dual-fuel power system | |
| CN211111044U (en) | Hydrogen production device by using automobile waste heat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20130415 |