Kitchen hydrogen-rich fuel oil and preparation method thereof

Abstract

The invention discloses a preparation method of kitchen hydrogen-rich fuel oil, which comprises the following steps: producing hydrogen by using methanol, and then introducing hydrogen into biomass slurry to react at the reaction temperature of 400-470 DEG C under the hydrogen pressure of 10-15 MPa according to the volume ratio of hydrogen to slurry of 500-1200, thereby obtaining the kitchen hydrogen-rich fuel oil. According to the hydrogen-rich fuel oil for the kitchen, the biomass powder is matched with the solvent oil to form the biomass slurry through a specific technology, then the hydrogen is subjected to a reaction to prepare the hydrogen-rich fuel oil, and the biomass powder is matched with the modified sludge and the additive to synergistically improve and optimize the biomass energy of the fuel oil.

Description

Technical Field

[0001] The present invention relates to the technical field of hydrogen-rich fuel, and in particular to a hydrogen-rich fuel for cooking and a preparation method thereof. Background Art

[0002] The production of fuel oil is mainly based on the petrochemical industry and is heavily dependent on the source of raw materials. The technology for producing green fuel using biomaterials as raw materials is immature, and the product purity and quality are poor. The production conditions of green fuel oil do not meet the requirements of industrial production. The main problems are high cost, limited raw material collection, strong geographical restrictions, and high energy consumption. Based on this, the present invention further improves and processes it. Summary of the invention

[0003] In view of the defects of the prior art, the purpose of the present invention is to provide a hydrogen-rich cooking fuel and a preparation method thereof to solve the problems raised in the above background technology.

[0004] The present invention solves the technical problem by adopting the following technical solution:

[0005] The present invention provides a method for preparing hydrogen-rich cooking fuel, comprising the following steps:

[0006] Step 1: 35-40 parts of modified sludge, 10-15 parts of biomass powder and 4-7 parts of additives are mixed evenly, then filtered and dehydrated to less than 10%, and finally ball milled fully at a ball milling speed of 1000r / min for 1h. After the ball milling is completed, it is dried at room temperature for 5d to obtain modified biomass powder;

[0007] Step 2: The modified biomass powder enters the oil biomass slurry preparation tank through a delivery pump, and the biomass powder and the solvent oil are fully mixed under the stirring of a stirrer to form a biomass slurry;

[0008] The biomass slurry is extracted from the bottom of the biomass slurry preparation tank, and then circulated by the biomass slurry circulation pump, and then returned to the biomass slurry preparation tank from the top of the biomass slurry preparation tank. The biomass slurry is extracted from the bottom of the biomass slurry preparation tank, and after being pressurized by the biomass slurry delivery pump, it is respectively heat-exchanged with the high-temperature medium separated in the subsequent process, and the temperature is raised to about 255°C, and then enters the biomass slurry flash tank for flash evaporation, and after being pressurized by the biomass slurry delivery pump, it is output as the feed of the hydrogenation reactor. After being pressurized by the biomass slurry delivery pump, the biomass slurry raw material is heat-exchanged with the hot high-fraction gas phase product, and then mixed with the circulating hydrogen exchanged with the gas phase reaction product, and then used as the feed of the hydrogenation reactor together, and then heat-exchanged with the reactor product, and then enters the heating furnace to heat up to about 320-360°C, and then enters the hydrogenation reactor for reaction;

[0009] Step 3: Use methanol to produce hydrogen, and then introduce hydrogen into the biomass slurry for reaction. The reaction temperature is 400-470°C, the hydrogen pressure is 10-15MPa, and the volume ratio of hydrogen to slurry is 500-1200, and hydrogen-rich fuel for cooking can be obtained.

[0010] Preferably, the biomass powder is one of straw powder and rice husk powder.

[0011] Preferably, the preparation method of the modified sludge is:

[0012] S01: prepare 2-5% by mass lanthanum sulfate solution and 3-4% by mass dopamine hydrochloride solution;

[0013] Add 2-5 parts of lanthanum sulfate solution and 1-2 parts of sodium alginate powder to 5-8 parts of pozzolanic agent, then add 2-3 parts of dopamine hydrochloride solution, and stir thoroughly to obtain a modified solution;

[0014] S02: Alumina is first irradiated in a proton irradiation box for 1-2 hours, with an irradiation power of 350W, and the irradiated alumina is stirred in 2-5 times the modified liquid, and after the stirring is completed, a modified alumina liquid is obtained;

[0015] S03: immersing the sludge in a yttrium nitrate solution 3-5 times the total amount of the sludge until it is fully immersed, and after the immersion is completed, filtering and drying are performed to obtain yttrium-doped sludge;

[0016] S04: The yttrium-doped sludge and the modified alumina liquid were mixed in a weight ratio of 5:3 and ball-milled at a speed of 1000 r / min for 1 h. After the ball milling was completed, the sludge was filtered and dried to obtain the modified sludge.

[0017] Preferably, the mass fraction of the yttrium nitrate solution is 2-5%.

[0018] Preferably, the immersion speed for full immersion is 500-700 r / min, and the immersion time is 1 hour; the stirring speed for stirring treatment is 450-500 r / min, and the stirring time is 20 minutes.

[0019] Preferably, the pozzolanic agent is volcanic rock, boron nitride and 5% by mass sodium dodecylbenzene sulfonate solution, which are fully mixed in a weight ratio of 2:1:3, and then filtered and dried to obtain the pozzolanic agent.

[0020] Preferably, the preparation method of the additive is:

[0021] S11: irradiating the cerium oxide in a proton irradiation box for 1-2 hours at an irradiation power of 350-400W, and obtaining irradiated cerium oxide after the irradiation is completed;

[0022] S12: 3-5 parts of nano carbon powder, 4-7 parts of urea solution, 2-3 parts of silane coupling agent KH550 and 2-3 parts of magnesium oxide are mixed to obtain a carbon liquid;

[0023] The irradiated cerium oxide and carbon liquid are ultrasonically treated in a weight ratio of 2:5, and then filtered and dried to obtain an additive.

[0024] Preferably, the mass fraction of the urea solution is 7-10%.

[0025] Preferably, the ultrasonic treatment is performed at an ultrasonic power of 500-700 W for 1 hour.

[0026] The present invention also provides a method for preparing hydrogen-rich fuel for cooking and hydrogen-rich fuel prepared by the method.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] The hydrogen-rich fuel for cooking of the present invention adopts biomass powder, which is mixed with solvent oil and subjected to a specific process to form biomass slurry, and then reacts with hydrogen to obtain hydrogen-rich fuel. The biomass powder adopts biomass, is combined with modified sludge and additives for synergistic improvement, and the biomass energy of the fuel is optimized. The modified sludge adopts alumina and is improved by a modified liquid. The lanthanum sulfate solution and sodium alginate powder in the modified liquid are combined with raw materials such as volcanic ash agent, and then yttrium-doped sludge is combined for improvement. The raw materials are mutually matched and enhanced, and the system mass-energy is optimized through mutual cooperation. At the same time, the carbon in the additive is combined with urea solution, silane coupling agent KH550 and magnesium oxide, and then irradiated cerium oxide is synergistic. Through the coordination between the raw materials, the synergistic effect of the obtained additive and modified sludge is enhanced, so that the performance of the product is further improved. DETAILED DESCRIPTION

[0029] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] A method for preparing hydrogen-rich cooking fuel in this embodiment comprises the following steps:

[0031] Step 1: 35-40 parts of modified sludge, 10-15 parts of biomass powder and 4-7 parts of additives are mixed evenly, then filtered and dehydrated to less than 10%, and finally ball milled fully at a ball milling speed of 1000r / min for 1h. After the ball milling is completed, it is dried at room temperature for 5d to obtain modified biomass powder;

[0032] Step 2: The modified biomass powder enters the oil biomass slurry preparation tank through a delivery pump, and the biomass powder and solvent oil (petroleum) are fully mixed under the stirring of a stirrer to form a biomass slurry;

[0033] Step 3: Use methanol to produce hydrogen, and then introduce hydrogen into the biomass slurry for reaction. The reaction temperature is 400-470°C, the hydrogen pressure is 10-15MPa, and the volume ratio of hydrogen to slurry is 500-1200, and hydrogen-rich fuel for cooking can be obtained.

[0034] The biomass powder in this embodiment is one of straw powder and rice husk powder.

[0035] The preparation method of the modified sludge of this embodiment is:

[0036] S01: prepare 2-5% by mass lanthanum sulfate solution and 3-4% by mass dopamine hydrochloride solution;

[0037] Add 2-5 parts of lanthanum sulfate solution and 1-2 parts of sodium alginate powder to 5-8 parts of pozzolanic agent, then add 2-3 parts of dopamine hydrochloride solution, and stir thoroughly to obtain a modified solution;

[0038] S02: Alumina is first irradiated in a proton irradiation box for 1-2 hours, with an irradiation power of 350W, and the irradiated alumina is stirred in 2-5 times the modified liquid, and after the stirring is completed, a modified alumina liquid is obtained;

[0039] S03: immersing the sludge in a yttrium nitrate solution 3-5 times the total amount of the sludge until it is fully immersed, and after the immersion is completed, filtering and drying are performed to obtain yttrium-doped sludge;

[0040] S04: The yttrium-doped sludge and the modified alumina liquid were mixed in a weight ratio of 5:3 and ball-milled at a speed of 1000 r / min for 1 h. After the ball milling was completed, the sludge was filtered and dried to obtain the modified sludge.

[0041] The mass fraction of the yttrium nitrate solution in this embodiment is 2-5%.

[0042] In this embodiment, the immersion speed for full immersion is 500-700 r / min, and the immersion time is 1 hour; the stirring speed for stirring treatment is 450-500 r / min, and the stirring time is 20 minutes.

[0043] The pozzolanic agent of this embodiment is prepared by fully mixing volcanic rock, boron nitride and 5% by mass sodium dodecylbenzene sulfonate solution in a weight ratio of 2:1:3, and then filtering and drying to obtain the pozzolanic agent.

[0044] The preparation method of the additive of this embodiment is:

[0045] S11: irradiating the cerium oxide in a proton irradiation box for 1-2 hours at an irradiation power of 350-400W, and obtaining irradiated cerium oxide after the irradiation is completed;

[0046] S12: 3-5 parts of nano carbon powder, 4-7 parts of urea solution, 2-3 parts of silane coupling agent KH550 and 2-3 parts of magnesium oxide are mixed to obtain a carbon liquid;

[0047] The irradiated cerium oxide and carbon liquid are ultrasonically treated in a weight ratio of 2:5, and then filtered and dried to obtain an additive.

[0048] The mass fraction of the urea solution in this embodiment is 7-10%.

[0049] The ultrasonic treatment in this embodiment has an ultrasonic power of 500-700 W and is carried out for 1 hour.

[0050] The hydrogen-rich fuel is prepared by a method for preparing hydrogen-rich fuel for cooking in this embodiment.

[0051] Example 1.

[0052] A method for preparing hydrogen-rich cooking fuel in this embodiment comprises the following steps:

[0053] Step 1: 35 parts of modified sludge, 10 parts of biomass powder and 4 parts of additives are mixed evenly, then filtered and dehydrated to less than 10%, and finally ball milled fully at a ball milling speed of 1000r / min for 1h. After the ball milling is completed, it is dried at room temperature for 5d to obtain modified biomass powder;

[0054] Step 2: The biomass powder enters the oil biomass slurry preparation tank through a delivery pump, and the biomass powder and the solvent oil are fully mixed under the stirring of the stirrer to prepare a modified biomass slurry;

[0055] Step 3: Use methanol to produce hydrogen, and then introduce hydrogen into the biomass slurry for reaction. The reaction temperature is 400°C, the hydrogen pressure is 10MPa, and the volume ratio of hydrogen to slurry is 500-1200, and hydrogen-rich fuel for cooking can be obtained.

[0056] The biomass powder in this embodiment is straw powder.

[0057] The preparation method of the modified sludge of this embodiment is:

[0058] S01: prepare 2% by mass lanthanum sulfate solution and 3% by mass dopamine hydrochloride solution;

[0059] Add 2 parts of lanthanum sulfate solution and 1 part of sodium alginate powder to 5 parts of pozzolanic agent, then add 2 parts of dopamine hydrochloride solution, stir thoroughly to obtain a modified solution;

[0060] S02: Alumina is first irradiated in a proton irradiation box for 1 hour, with an irradiation power of 350W, and the irradiated alumina is stirred in a twice volume of modified liquid, and after stirring, a modified alumina liquid is obtained;

[0061] S03: immersing the sludge in a yttrium nitrate solution 3-5 times the total amount of the sludge until it is fully immersed, and after the immersion is completed, filtering and drying are performed to obtain yttrium-doped sludge;

[0062] S04: The yttrium-doped sludge and the modified alumina liquid were mixed in a weight ratio of 5:3 and ball-milled at a speed of 1000 r / min for 1 h. After the ball milling was completed, the sludge was filtered and dried to obtain the modified sludge.

[0063] The mass fraction of the yttrium nitrate solution in this embodiment is 2%.

[0064] In this embodiment, the immersion speed is 500r / min for full immersion, and the immersion time is 1h; the stirring speed is 450r / min for stirring for 20min.

[0065] The pozzolanic agent of this embodiment is prepared by fully mixing volcanic rock, boron nitride and 5% by mass sodium dodecylbenzene sulfonate solution in a weight ratio of 2:1:3, and then filtering and drying to obtain the pozzolanic agent.

[0066] The preparation method of the additive of this embodiment is:

[0067] S11: irradiating the cerium oxide in a proton irradiation box for 1 hour at an irradiation power of 350 W, and obtaining irradiated cerium oxide after the irradiation is completed;

[0068] S12: 3 parts of nano carbon powder, 4 parts of urea solution, 2 parts of silane coupling agent KH550 and 2 parts of magnesium oxide are mixed to obtain a carbon liquid;

[0069] The irradiated cerium oxide and carbon liquid are ultrasonically treated in a weight ratio of 2:5, and then filtered and dried to obtain an additive.

[0070] The mass fraction of the urea solution in this embodiment is 7%.

[0071] The ultrasonic treatment in this embodiment has an ultrasonic power of 500 W and is carried out for 1 hour.

[0072] The hydrogen-rich fuel is prepared by a method for preparing hydrogen-rich fuel for cooking in this embodiment.

[0073] Example 2.

[0074] A method for preparing hydrogen-rich cooking fuel in this embodiment comprises the following steps:

[0075] Step 1: 40 parts of modified sludge, 15 parts of biomass powder and 7 parts of additives are mixed evenly, then filtered and dehydrated to less than 10%, and finally ball milled fully at a ball milling speed of 1000r / min for 1h. After the ball milling is completed, it is dried at room temperature for 5d to obtain modified biomass powder;

[0076] Step 2: The modified biomass powder enters the oil biomass slurry preparation tank through a delivery pump, and the biomass powder and the solvent oil are fully mixed under the stirring of a stirrer to form a biomass slurry;

[0077] Step 3: Use methanol to produce hydrogen, and then introduce hydrogen into the biomass slurry for reaction. The reaction temperature is 470°C, the hydrogen pressure is 15MPa, and the volume ratio of hydrogen to slurry is 1200, and hydrogen-rich fuel for cooking can be obtained.

[0078] The biomass powder in this embodiment is straw powder.

[0079] The preparation method of the modified sludge of this embodiment is:

[0080] S01: prepare 5% by mass lanthanum sulfate solution and 4% by mass dopamine hydrochloride solution;

[0081] Add 5 parts of lanthanum sulfate solution and 2 parts of sodium alginate powder to 8 parts of pozzolanic agent, then add 3 parts of dopamine hydrochloride solution, stir thoroughly to obtain a modified solution;

[0082] S02: Alumina is first irradiated in a proton irradiation box for 2 hours with an irradiation power of 350W, and the irradiated alumina is stirred in a 5-fold modified liquid, and after the stirring is completed, a modified alumina liquid is obtained;

[0083] S03: immersing the sludge in a yttrium nitrate solution of 5 times the total amount of the sludge until it is fully immersed, and after the immersion is completed, filtering and drying are performed to obtain yttrium-doped sludge;

[0084] S04: The yttrium-doped sludge and the modified alumina liquid were mixed in a weight ratio of 5:3 and ball-milled at a speed of 1000 r / min for 1 h. After the ball milling was completed, the sludge was filtered and dried to obtain the modified sludge.

[0085] The mass fraction of the yttrium nitrate solution in this embodiment is 5%.

[0086] In this embodiment, the immersion speed for full immersion is 700 r / min, and the immersion time is 1 hour; the stirring speed for stirring treatment is 500 r / min, and the stirring time is 20 minutes.

[0087] The pozzolanic agent of this embodiment is prepared by fully mixing volcanic rock, boron nitride and 5% by mass sodium dodecylbenzene sulfonate solution in a weight ratio of 2:1:3, and then filtering and drying to obtain the pozzolanic agent.

[0088] The preparation method of the additive of this embodiment is:

[0089] S11: irradiating cerium oxide in a proton irradiation box for 2 hours at an irradiation power of 400 W, and obtaining irradiated cerium oxide after the irradiation is completed;

[0090] S12: 5 parts of nano carbon powder, 7 parts of urea solution, 3 parts of silane coupling agent KH550 and 3 parts of magnesium oxide are mixed to obtain a carbon liquid;

[0091] The irradiated cerium oxide and carbon liquid are ultrasonically treated in a weight ratio of 2:5, and then filtered and dried to obtain an additive.

[0092] The mass fraction of the urea solution in this embodiment is 10%.

[0093] The ultrasonic treatment in this embodiment has an ultrasonic power of 700 W and is carried out for 1 hour.

[0094] The hydrogen-rich fuel is prepared by a method for preparing hydrogen-rich fuel for cooking in this embodiment.

[0095] Example 3.

[0096] A method for preparing hydrogen-rich cooking fuel in this embodiment comprises the following steps:

[0097] Step 1: 37.5 parts of modified sludge, 12.5 parts of biomass powder and 5.5 parts of additives were mixed evenly, and then filtered to dehydrate to less than 10%, and finally ball milled fully at a ball milling speed of 1000r / min for 1h. After the ball milling was completed, it was dried at room temperature for 5d to obtain modified biomass powder;

[0098] Step 2: The modified biomass powder enters the oil biomass slurry preparation tank through a delivery pump, and the biomass powder and the solvent oil are fully mixed under the stirring of a stirrer to form a biomass slurry;

[0099] Step 3: Use methanol to produce hydrogen, and then introduce hydrogen into the biomass slurry for reaction. The reaction temperature is 430°C, the hydrogen pressure is 12.5MPa, and the volume ratio of hydrogen to slurry is 800, and hydrogen-rich fuel for cooking can be obtained.

[0100] The biomass powder in this embodiment is rice husk powder.

[0101] The preparation method of the modified sludge of this embodiment is:

[0102] S01: prepare 3.5% by mass lanthanum sulfate solution and 3.5% by mass dopamine hydrochloride solution;

[0103] Add 3 parts of lanthanum sulfate solution and 1.5 parts of sodium alginate powder to 7 parts of pozzolanic agent, then add 2.5 parts of dopamine hydrochloride solution, stir thoroughly to obtain a modified solution;

[0104] S02: Alumina is first irradiated in a proton irradiation box for 1.5 hours with an irradiation power of 350W, and the irradiated alumina is stirred in 3.5 times the modified liquid, and after the stirring is completed, a modified alumina liquid is obtained;

[0105] S03: immersing the sludge in a yttrium nitrate solution of 4 times the total amount of the sludge until it is fully immersed, and after the immersion is completed, filtering and drying are performed to obtain yttrium-doped sludge;

[0106] S04: The yttrium-doped sludge and the modified alumina liquid were mixed in a weight ratio of 5:3 and ball-milled at a speed of 1000 r / min for 1 h. After the ball milling was completed, the sludge was filtered and dried to obtain the modified sludge.

[0107] The mass fraction of the yttrium nitrate solution in this embodiment is 3.5%.

[0108] In this embodiment, the immersion speed is 600 r / min for full immersion, and the immersion time is 1 hour; the stirring speed is 470 r / min for stirring for 20 minutes.

[0109] The pozzolanic agent of this embodiment is prepared by fully mixing volcanic rock, boron nitride and 5% by mass sodium dodecylbenzene sulfonate solution in a weight ratio of 2:1:3, and then filtering and drying to obtain the pozzolanic agent.

[0110] The preparation method of the additive of this embodiment is:

[0111] S11: irradiating the cerium oxide in a proton irradiation box for 1.5 hours at an irradiation power of 375 W, and obtaining irradiated cerium oxide after the irradiation is completed;

[0112] S12: 4 parts of nano carbon powder, 5.5 parts of urea solution, 2.5 parts of silane coupling agent KH550 and 2.5 parts of magnesium oxide are mixed to obtain a carbon liquid;

[0113] The irradiated cerium oxide and carbon liquid are ultrasonically treated in a weight ratio of 2:5, and then filtered and dried to obtain an additive.

[0114] The mass fraction of the urea solution in this embodiment is 8%.

[0115] The ultrasonic treatment in this embodiment has an ultrasonic power of 500-700 W and is carried out for 1 hour.

[0116] The hydrogen-rich fuel is prepared by a method for preparing hydrogen-rich fuel for cooking in this embodiment.

[0117] Example 4.

[0118] A method for preparing hydrogen-rich cooking fuel in this embodiment comprises the following steps:

[0119] Step 1: 37.5 parts of modified sludge, 12.5 parts of biomass powder and 5.5 parts of additives were mixed evenly, and then filtered to dehydrate to less than 10%, and finally ball milled thoroughly at a ball milling speed of 1000r / min for 1h. After the ball milling was completed, it was dried at room temperature for 5d to obtain biomass powder;

[0120] Step 2: The biomass powder enters the oil biomass slurry preparation tank through a delivery pump, and the biomass powder and the solvent oil are fully mixed under the stirring of the stirrer to form a biomass slurry;

[0121] Step 3: Use methanol to produce hydrogen, and then introduce hydrogen into the biomass slurry for reaction. The reaction temperature is 435°C, the hydrogen pressure is 12.5MPa, and the volume ratio of hydrogen to slurry is 800, and hydrogen-rich fuel for cooking can be obtained.

[0122] The biomass powder in this embodiment is straw powder.

[0123] The preparation method of the modified sludge of this embodiment is:

[0124] S01: prepare 3% by mass lanthanum sulfate solution and 3% by mass dopamine hydrochloride solution;

[0125] Add 3 parts of lanthanum sulfate solution and 2 parts of sodium alginate powder to 5 parts of pozzolanic agent, then add 2 parts of dopamine hydrochloride solution, stir thoroughly to obtain a modified solution;

[0126] S02: Alumina is first irradiated in a proton irradiation box for 2 hours with an irradiation power of 350W, and the irradiated alumina is stirred in 3 times the modified liquid, and after the stirring is completed, a modified alumina liquid is obtained;

[0127] S03: immersing the sludge in a yttrium nitrate solution of 4 times the total amount of the sludge until it is fully immersed, and after the immersion is completed, filtering and drying are performed to obtain yttrium-doped sludge;

[0128] S04: The yttrium-doped sludge and the modified alumina liquid were mixed in a weight ratio of 5:3 and ball-milled at a speed of 1000 r / min for 1 h. After the ball milling was completed, the sludge was filtered and dried to obtain the modified sludge.

[0129] The mass fraction of the yttrium nitrate solution in this embodiment is 3%.

[0130] In this embodiment, the immersion speed is 600 r / min for full immersion, and the immersion time is 1 hour; the stirring speed is 4520 r / min for stirring for 20 minutes.

[0131] The pozzolanic agent of this embodiment is prepared by fully mixing volcanic rock, boron nitride and 5% by mass sodium dodecylbenzene sulfonate solution in a weight ratio of 2:1:3, and then filtering and drying to obtain the pozzolanic agent.

[0132] The preparation method of the additive of this embodiment is:

[0133] S11: irradiating the cerium oxide in a proton irradiation box for 2 hours at an irradiation power of 360 W, and obtaining irradiated cerium oxide after the irradiation is completed;

[0134] S12: 4 parts of nano carbon powder, 5 parts of urea solution, 3 parts of silane coupling agent KH550 and 2 parts of magnesium oxide are mixed to obtain a carbon liquid;

[0135] The irradiated cerium oxide and carbon liquid are ultrasonically treated in a weight ratio of 2:5, and then filtered and dried to obtain an additive.

[0136] The mass fraction of the urea solution in this embodiment is 8%.

[0137] The ultrasonic treatment in this embodiment has an ultrasonic power of 600 W and is carried out for 1 hour.

[0138] The hydrogen-rich fuel is prepared by a method for preparing hydrogen-rich fuel for cooking in this embodiment.

[0139] Comparative Example 1.

[0140] The difference from Example 3 is that no modified sludge was added.

[0141] Comparative Example 2.

[0142] The difference from Example 3 is that no modified alumina liquid is added to the modified sludge.

[0143] Comparative Example 3.

[0144] Unlike Example 3, no pozzolanic agent was added in the preparation of the modified alumina liquid.

[0145] Comparative Example 4.

[0146] The difference from Example 3 is that the yttrium-doped sludge in the modified sludge is directly replaced by sludge.

[0147] Comparative Example 5.

[0148] The difference from Example 3 is that no additives were added.

[0149] Comparative Example 6.

[0150] The difference from Example 3 is that the preparation method of the additive is different, and carbon liquid treatment is not used.

[0151] Comparative Example 7.

[0152] The difference from Example 3 is that no nano carbon powder and magnesium oxide are added to the carbon liquid.

[0153] The performance test of Examples 1-3 and Comparative Examples 1-7, the biomass conversion rate is 1-(weight of coke in biomass) / weight of biomass feed, the test results are as follows

[0154] Biomass conversion rate (%) Calorific value (MJ / kg) Example 1 99.2 35.8 Example 2 99.3 36.3 Example 3 99.5 36.6 Comparative Example 1 84.3 24.7 Comparative Example 2 86.7 28.5 Comparative Example 3 89.8 30.3 Comparative Example 4 91.6 31.2 Comparative Example 5 86.2 25.9 Comparative Example 6 88.9 27.4 Comparative Example 7 89.7 29.5

[0155] From Examples 1-3 and Comparative Examples 1-7, it can be concluded that the product of Example 3 of the present invention has excellent biomass conversion rate and calorific value performance. No modified sludge or additives are added to the product, and the performance of the product has a significant deterioration trend. The synergistic effect of the two is used to achieve the most obvious product performance effect.

[0156] No modified alumina liquid was added to the modified sludge, no pozzolanic agent was added in the preparation of the modified alumina liquid, the yttrium-doped sludge in the modified sludge was directly replaced by sludge, the preparation methods of the additives were different, carbon liquid treatment was not used, and nano-carbon powder and magnesium oxide were not added to the carbon liquid. The performance of the products all tended to deteriorate to varying degrees. Only the product raw materials obtained by the method of the present invention had the most obvious performance effect of the product, and the effects of other methods were not as significant as those of the present invention.

[0157] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

[0158] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A method for preparing hydrogen-rich cooking fuel, characterized in that: The following steps are involved: Step 1: 35-40 parts of modified sludge, 10-15 parts of biomass powder and 4-7 parts of additives are mixed evenly, then filtered and dehydrated to less than 10%, and finally ball milled fully at a ball milling speed of 1000r / min for 1h. After the ball milling is completed, it is dried at room temperature for 5d to obtain modified biomass powder; Step 2: The modified biomass powder enters the oil biomass slurry preparation tank through a delivery pump, and the biomass powder and the solvent oil are fully mixed under the stirring of a stirrer to form a biomass slurry; Step 3: Use methanol to produce hydrogen, and then introduce hydrogen into the biomass slurry for reaction. The reaction temperature is 400-470°C, the hydrogen pressure is 10-15MPa, and the volume ratio of hydrogen to slurry is 500-1200, and hydrogen-rich fuel for cooking can be obtained.

2. The method for preparing hydrogen-rich cooking fuel according to claim 1, characterized in that: The biomass powder is one of straw powder and rice husk powder.

3. The method for preparing hydrogen-rich cooking fuel according to claim 1, characterized in that: The preparation method of the modified sludge is: S01: prepare 2-5% by mass lanthanum sulfate solution and 3-4% by mass dopamine hydrochloride solution; Add 2-5 parts of lanthanum sulfate solution and 1-2 parts of sodium alginate powder to 5-8 parts of pozzolanic agent, then add 2-3 parts of dopamine hydrochloride solution, and stir thoroughly to obtain a modified solution; S02: Alumina is first irradiated in a proton irradiation box for 1-2 hours, with an irradiation power of 350W, and the irradiated alumina is stirred in 2-5 times the modified liquid, and after the stirring is completed, a modified alumina liquid is obtained; S03: immersing the sludge in a yttrium nitrate solution 3-5 times the total amount of the sludge until it is fully immersed, and after the immersion is completed, filtering and drying are performed to obtain yttrium-doped sludge; S04: The yttrium-doped sludge and the modified alumina liquid were mixed in a weight ratio of 5:3 and ball-milled at a speed of 1000 r / min for 1 h. After the ball milling was completed, the sludge was filtered and dried to obtain the modified sludge.

4. The method for preparing hydrogen-rich cooking fuel according to claim 3, characterized in that: The mass fraction of the yttrium nitrate solution is 2-5%.

5. The method for preparing hydrogen-rich cooking fuel according to claim 3, characterized in that: The immersion speed for full immersion is 500-700 r / min, and the immersion time is 1 hour; the stirring speed for stirring treatment is 450-500 r / min, and the stirring time is 20 minutes.

6. The method for preparing hydrogen-rich cooking fuel according to claim 3, characterized in that: The pozzolanic agent is prepared by fully mixing volcanic rock, boron nitride and 5% by mass sodium dodecylbenzene sulfonate solution in a weight ratio of 2:1:3, and then filtering and drying to obtain the pozzolanic agent.

7. The method for preparing hydrogen-rich cooking fuel according to claim 1, characterized in that: The preparation method of the additive is: S11: irradiating the cerium oxide in a proton irradiation box for 1-2 hours at an irradiation power of 350-400W, and obtaining irradiated cerium oxide after the irradiation is completed; S12: 3-5 parts of nano carbon powder, 4-7 parts of urea solution, 2-3 parts of silane coupling agent KH550 and 2-3 parts of magnesium oxide are mixed to obtain a carbon liquid; The irradiated cerium oxide and carbon liquid are ultrasonically treated in a weight ratio of 2:5, and then filtered and dried to obtain an additive.

8. The method for preparing hydrogen-rich cooking fuel according to claim 7, characterized in that: The mass fraction of the urea solution is 7-10%.

9. The method for preparing hydrogen-rich cooking fuel according to claim 7, characterized in that: The ultrasonic treatment was performed at an ultrasonic power of 500-700 W for 1 hour.

10. The hydrogen-rich fuel prepared by the method for preparing hydrogen-rich cooking fuel according to any one of claims 1 to 9.