50 results about "Steam explosion" patented technology

Material cage type steam explosion equipment relates to the technical field of steam explosion and comprises an explosion kettle body, a material cage is detachably installed in the explosion kettle body, and the material cage is installed in the explosion kettle body in a rotating mode through a material cage rotating structure with the axis of the material cage as the rotating center. The steam explosion kettle solves the problems that in the prior art, when a steam explosion kettle body is large, materials are prone to being stacked when the steam explosion kettle body is filled with the materials, the material explosion effect is poor, charging and discharging are troublesome, and the material explosion efficiency is affected.

The invention discloses an endogenous steam in-situ braking expansion device and a hard carbon material preparation method, and belongs to the technical field of biomass pretreatment, and the endogenous steam in-situ braking expansion device comprises a steam explosion reaction cabin and a water storage cabin which are communicated. An electric heating device is arranged outside the steam explosion reaction cabin, the steam explosion reaction cabin is communicated with the water storage cabin, and an inductance heating device is arranged outside the water storage cabin. The brake expansion device adopts a mode of combining electric heating and inductive heating, water vapor is generated in situ, and energy loss caused by vapor condensation is effectively reduced. Compared with a traditional steam explosion machine, the steam explosion machine has the advantages that energy consumption is effectively reduced, materials can be conveniently fed and discharged, and meanwhile the problem that steam is generated, enters the steam explosion reaction cabin, is condensed and drips on the materials, and consequently treatment is not uniform is solved.

The present application provides a kind of bamboo piece steam explosion equipment and method, including equipment body and pressure maintaining mechanism, the pressure maintaining mechanism includes the steam pipeline being arranged in equipment body and the valve group being fixed on steam pipeline;It also includes the positioning mechanism being movably arranged in equipment body for carrying the positioning mechanism of bamboo piece;And the transmission part being movably arranged in equipment body is connected with positioning mechanism;Bamboo piece is placed to positioning mechanism fixed, steam is supplemented to equipment body by steam pipeline and pressure is maintained, then control valve group makes equipment body steam explosion, while in the process of pressure maintaining and steam explosion, transmission part pulls positioning mechanism to move in equipment body;The present application makes bamboo piece in the steam explosion process of equipment body in the function of active state, to improve the utilization rate of steam explosion bamboo piece and steam explosion efficiency, and solve the problem of destroying bamboo piece shape in the process of steam explosion.

The invention relates to the technical field of computer aided design, discloses a three-phase analogue simulation method and system for a steam explosion phenomenon, and is used for solving the technical problem that the efficiency and the precision of simulation of the steam explosion phenomenon are insufficient in the prior art. The method comprises the steps that modeling is conducted on a steam explosion scene based on physical scene parameters, a control equation set based on three-phase immiscible flow is obtained, and three phases comprise a relative high-temperature liquid phase, a relative low-temperature liquid phase and a gas phase; establishing a closed relation model for describing interphase pressure relaxation, mass transfer, heat transfer and momentum exchange; and calling a step-by-step solving strategy, and sequentially solving a convection step and a relaxation step of the control equation set based on the control equation set and the closed relation model to realize simulation of the steam explosion phenomenon. The method is used for improving the simulation precision and simulation efficiency of the steam explosion phenomenon.

A method for refining molten iron is provided that can be carried out safely and stably without steam explosions or machine losses when using the heat of high-temperature slag remaining in a reaction vessel to preheat a cold iron source. The method uses the heat of slag generated after the completion of refining a previous charge of molten iron to preheat the cold iron source. The method includes a first step of discharging the molten iron refined while it remains in the reaction vessel as residual slag from the reaction vessel, a second step of charging the cold iron source through a scrap chute as a coolant for cooling the residual slag to solidify it, and a third step of charging the next charge of molten iron into the reaction vessel and refining it. In the second step, the K value calculated using a predetermined relational expression using the mass Wsl of the residual slag, the mass Wsc of the cold iron source charged through the scrap chute, and the temperature Tf of the hot material remaining in the furnace in the first step is less than 0, and no waiting time T is required after charging the cold iron source.

The application provides a split type steam explosion equipment, and relates to the technical field of steam explosion equipment. The steam explosion equipment comprises a rack, a steam explosion tank is fixedly connected inside the rack, a lower piston sealing plate and an upper piston sealing plate are slidably connected inside the steam explosion tank, a lifting push rod is fixedly connected to the top surface of the upper piston sealing plate, a buffer mechanism is arranged inside the rack, a feeding mechanism is arranged outside the steam explosion tank, and a silencing mechanism is arranged outside the rack. The steam explosion tank, the buffer mechanism, the feeding mechanism and the silencing mechanism are arranged, the whole steam explosion machine is split into multiple independent components, the processing difficulty is greatly reduced, transportation and on-site installation are facilitated, and the maintenance cost is reduced. The buffer mechanism, the feeding mechanism and the silencing mechanism can significantly improve the operation stability and operation convenience of the equipment, effectively guarantee the sealing performance of the device, reduce the noise generated during equipment operation, and improve the use comfort and environmental protection of the equipment.

The present application relates to the technical field of home appliance accessories, and discloses a heating device with explosion anti-dripping, which comprises a heating device body (100) and a valve body assembly (200), wherein the valve body assembly (200) is provided with an explosion channel (211); the heating device body (100) is provided with a deformation piece (110), the deformation piece (110) is used for sensing the heating temperature of the heating device body (100), and when the temperature of the deformation piece (110) reaches a deformation temperature, the deformation piece (110) triggers the explosion channel (211) in the valve body assembly (200) to open. The present application has the advantages of being capable of avoiding the dripping phenomenon and having a good steam explosion effect.

The invention discloses a method for repairing the surface of a failed precious metal titanium anode, and relates to the technical field of electro-catalytic anodes, the method comprises the following steps: S100, soda boiling: soaking a failed anode plate into a fused alkali solution at 360-560 DEG C for 10-40 minutes, the alkali solution comprises main salt: KOH and / or NaOH; the auxiliary component is NaNO3 and / or KNO3; an additive; the anode subjected to soda boiling is quenched and immersed in cold water for 2-15 min, and a residual coating on the surface of the titanium anode is stripped through steam explosion; the titanium anode obtained after alkali explosion is soaked in acid liquor, residual dirt on the surface of the titanium anode and hanging alkali are subjected to an acid-base neutralization reaction, and the cleanliness of the surface of the titanium anode is further improved; and S400, washing with water and drying. According to the method, the steps of high-temperature soda boiling and shock cooling alkali explosion are creatively combined, the internal structure of the failed coating is fully loosened through soda boiling, the binding force between the internal structure of the failed coating and a titanium substrate is remarkably weakened, and the loosened coating is subjected to efficient and thorough physical stripping through generated high-pressure steam explosion and huge thermal stress during alkali explosion.

The utility model relates to the field of forage grass processing, and discloses a steam explosion device for processing rice straws to produce roughage, which comprises a vertically arranged explosion tank, a feed port arranged above the explosion tank, a feed valve arranged on the feed port, a discharge port arranged below the explosion tank, and a discharge valve arranged on the discharge port. A plurality of air inlets are formed in the bottom of the blasting tank; a plurality of spiral material guide plates which are uniformly distributed on the circumference are fixed on the inner wall of the blasting tank; the spiral material guide plates extend to the lower part of the blasting tank from the upper part of the blasting tank; and each air inlet is positioned between two corresponding adjacent spiral material guide plates. The problems that in a traditional device, materials are heated unevenly, and the fiber degradation effect is poor are effectively solved, full contact of steam and straw is achieved, the straw is heated evenly, and the straw treatment efficiency and the coarse fodder quality are improved.

The utility model relates to the technical field of steam explosion, and discloses a steam explosion blow-off assembly and steam explosion equipment, the steam explosion blow-off assembly comprises a nozzle communicated with a cooking container, the nozzle is provided with an inner diameter gradually-shrinking section and an inner diameter gradually-expanding section which are sequentially arranged in the direction away from the cooking container, a throat part is formed at the joint of the inner diameter gradually-shrinking section and the inner diameter gradually-expanding section, so that materials in the cooking container can pass through the throat part; according to the utility model, the inner diameter reducing section of the nozzle can narrow the blowing channel of the material to be subjected to steam explosion in the cooking container, so that the material to be subjected to steam explosion in the cooking container can be continuously blown at a smaller blowing flow, and an action element does not need to be arranged on the blowing pipeline of the cooking container for intermittent blowing; furthermore, a plurality of defects existing in the existing intermittent spraying discharging can be overcome; the inner diameter gradually-shrinking section can effectively increase the flow speed of the steam explosion material to be sprayed, and then through quick release of the inner diameter gradually-expanding section, the steam explosion effect of the material to be subjected to steam explosion is remarkably improved.

The invention discloses a lignocellulose continuous multi-stage steam explosion pretreatment process and device, and relates to the technical field of lignocellulose raw material pretreatment. Comprising the following steps: continuously conveying lignocellulose loaded with a chemical additive into a steam explosion pretreatment reaction tube, carrying out continuous three-stage low-temperature reaction coupling high-pressure explosion treatment, and spraying to obtain a pretreated lignocellulose material; wherein the specific parameters of the continuous three-stage low-temperature reaction coupling high-pressure blasting treatment are as follows: the treatment is performed for 5-9 minutes at the temperature of 80-120 DEG C in the first-stage treatment, the treatment is performed for 2-6 minutes at the temperature of 140-160 DEG C in the second-stage treatment, and the treatment is performed for 1-3 minutes at the temperature of 180-220 DEG C in the third-stage treatment; the pressure is 0.5 to 2.0 MPa. According to the continuous steam explosion lignocellulose complete equipment and the pretreatment method, effective continuous production of biomass raw materials can be achieved, low-inhibitor lignocellulose hydrolysis sugar liquid is obtained, fermentation conversion of downstream microorganisms is facilitated, wastewater discharge and use of chemical auxiliaries are reduced, and commercialized large-scale production is expected to be further achieved.

This invention provides a silicon-carbon composite material based on steam explosion, its preparation method, and its application, belonging to the field of silicon-carbon composite material technology. The preparation method includes the steps of preparing a precursor composite slurry, steam explosion, and simultaneous carbonization and activation. The steam explosion treatment step involves pumping the precursor composite slurry into a steam explosion reactor, introducing saturated steam, and maintaining pressure at 200-280℃ and 2.0-4.5MPa for 30-40 minutes. During the pressure maintenance, ultrasonic assistance is activated. After the pressure maintenance, a step-by-step depressurization is performed, i.e., 3-8 depressurizations are completed within 6-10 seconds, with each depressurization pressure being 10-30% of the previous one. After each depressurization, the pressure is held momentarily for 0.1-0.2 seconds, and finally completely depressurized to atmospheric pressure. After drying, the exploded product is obtained. The silicon-carbon composite material obtained by the method of this invention exhibits excellent cycle performance and rate performance when applied to batteries.

A method for processing a lignocellulose biomass material with a moisture content below 10 weight-% and an ash content below 1.0 weight-% includes: adding an acid catalyst to the lignocellulose biomass material; after adding the acid catalyst, thermally treating the lignocellulose biomass material with steam at an elevated pressure and an elevated temperature in at least one reactor; discharging the lignocellulose biomass material and blow steam from the at least one reactor using a steam explosion discharge device; and forming pellets and / or briquettes from at least part of the discharged thermally treated lignocellulose biomass material.

The utility model relates to the field of paper pulp processing, and discloses a steam explosion device for processing rice straw pulping, which comprises a tank body and a tank cover hermetically fixed at the upper part of the tank body, the tank cover is connected with a feed pipe, a feed valve is arranged on the feed pipe, the bottom of the tank body is connected with a discharge pipe, and a discharge valve is arranged on the discharge pipe; a double-layer pipe is fixed in the middle of the tank cover, and a plurality of air outlets are formed in the bottom of the double-layer pipe; a rotating shaft is sleeved with the double-layer pipe, the upper end of the rotating shaft is connected with a motor driving the rotating shaft to rotate, the motor is fixed to the tank cover, a stirring part is fixed to the lower extending end, penetrating through the double-layer pipe, of the rotating shaft, and the air outlet hole faces the stirring part. Uniform contact between steam and rice straw is achieved, it is guaranteed that materials are heated evenly, the fiber separation effect is improved, and the quality and efficiency of rice straw pulping are improved.

The utility model discloses a furnace body heat abstractor and metallurgical furnace relates to metallurgical technical field, and the heat abstractor is connected to the furnace body, and the heat abstractor includes fan and base, and the fan includes casing and fan blade, and the casing is set up fan air inlet and fan air outlet, and the fan blade is installed at the fan air inlet and blows the direction to the fan air outlet, and the base includes insertion part and heat dissipation hole plate, and the shape of insertion part is matched with the shape of furnace body insertion position and exists the gap between insertion part outer wall and furnace body inner wall, and the insertion part is set up relatively and is set up insertion part air inlet and insertion part air outlet, and the heat dissipation hole plate is set up in the outside of insertion part air inlet, and the size of heat dissipation hole plate is greater than the size of gap, and the heat dissipation hole plate is set up heat dissipation hole, and the fan air outlet is connected insertion part air inlet. The utility model provides simple structure, and the maintenance repair difficulty is low to convenient dismounting, assembling. Use air as the heat abstractor medium, and the water is prevented from contacting with smelting liquid metal, and the steam explosion is eliminated. Cold and hot air flow channel is separated, and the cold and hot air current will not appear and butt.

This invention discloses an injection mold for TPU protective sleeves, belonging to the field of mold technology. It includes a fixed mold with a lower mold core embedded in its top, a temperature control cavity I at the bottom of the lower mold core, and an operating cavity inside the fixed mold; and a moving mold with an upper mold core embedded in its bottom, and a temperature control cavity II connected to the temperature control cavity I at its top. Compared to commonly available TPU protective sleeve injection molds, this product uses a combination of air cooling and water cooling. It cools the upper and lower mold cores with dehumidified, low-temperature air, avoiding the possibility of steam explosions. The insulation cavity houses and insulates the preheated heating plate. During cooling, only the lower and upper mold cores are cooled, without needing to cool the heating plate itself. This allows for rapid temperature increases in the heating plate upon reuse, quickly preheating the lower and upper mold cores, ensuring processing efficiency while saving heating energy, resulting in economic benefits and broad application prospects.

The application discloses an eggshell membrane steam explosion pretreatment device and method and the technical field of steam explosion, and comprises a steam explosion tank, a high-pressure steam supplier, a rapid pressure relief device, a mechanical crushing device, a pre-crushing module and a separation screening module. The application loosens the material in advance through the double-toothed roll crusher of the pre-crushing module, uses high-pressure steam explosion to combine the rapid pressure relief device with extremely fast response to generate a high-speed airflow to tear the eggshell membrane, and uses the pressure relief airflow to drive the built-in radial flow impeller to rotate at high speed, the transmission shaft drives the multi-layer staggered cutter head with a high-hardness cubic boron nitride coating, and cooperates with the fixed stepped tooth plate to realize efficient recycling of the pressure relief energy under the stability of the speed-regulating flywheel, significantly reduces external energy consumption, and integrates the pre-crushing, steam explosion, energy recovery crushing and subsequent separation screening modules into one, greatly improves the efficiency, automation degree and final product yield and quality of the eggshell membrane separation treatment.

According to the internal-pressure-driven instantaneous steam explosion method and system, a hydraulic jack in a tank is utilized, small pressure is applied firstly to enable an opening and closing mechanism to be in a pre-unlocking state, the pressure is released several seconds later, instantaneous unlocking of the opening and closing mechanism is achieved, and the internal and external high pressure difference of the tank body serves as driving force to generate bending moment to drive the opening and closing mechanism to eccentrically rotate and throw away instantaneously. Therefore, a plurality of air port parts which are uniformly distributed in the axial direction and the circumferential direction on the tank wall are instantly and synchronously opened, so that instant, synchronous and uniform steam explosion of the tank body in the axial direction and the circumferential direction is achieved, effective sealing of the tank ports and the air ports can be achieved through step-by-step pressure boosting in the tank, a higher pressure value in the tank can be reversely guaranteed, and the service life of the tank body is prolonged. And the flash explosion effect is better, complement each other, the design is ingenious, and the practicability is high.

The disclosure relates to a process for steam treatment of non-wood plant material comprising subjecting the plant material to steam treatment and steam explosion in a steam treatment unit (10) comprising a steam treatment section (11) and a pressure relief section (12); characterized in that the process is a dual mode process, in which the steam treatment unit (10)5 is run in two alternating process modes (100a,100b), said process comprising supplying (101) plant material of a first or a second size fraction to a steam treatment unit (10) determining (102) plant material size fraction and selecting (103) a first (100a) or a second (100b) process mode, based on the determined plant material size fraction, subjecting the plant material to steam treatment (104a,104b) at a steam treatment pressure (PST1, PST2) in the steam treatment0 section (11), wherein, during the first process mode (100a), the steam treatment section (11) is operated at a first steam treatment pressure (PST1) and, during the second process mode (100b), the steam treatment section (11) is operated at a second steam treatment pressure (PST2), wherein said second steam treatment pressure (PST2) is higher than said first steam treatment pressure (PST1), followed by discharging (105a,105b) the plant material to a pressure relief5 section (12) operating at a relief pressure (PR) in which is lower than the steam treatment pressure (PST1, PST2), thereby causing steam explosion of the plant material, and forwarding (106a,106b) the treated plant material to storage or further processing. The disclosure pellets manufactured from the material obtained by the process, and use thereof.

A sliding cover type instantaneous opening valve for steam explosion equipment relates to the technical field of instantaneous opening valve structures and comprises a cylindrical valve body, a valve cover for opening and closing a release port of the valve body is arranged on the outer wall of the valve body in a sliding mode in the axial direction, a plurality of clamping jaws arranged in a swinging mode are arranged on the periphery of the outer wall of the valve body, and matched inclined planes are arranged between the contact surfaces of the clamping jaws and the valve cover. The problems that in the prior art, a pull explosion air cylinder is limited by the structure, and the sealing problem and the release time requirement are difficult to solve are solved; and in the actual application process, the ball valve is seriously abraded and is difficult to realize large scale, so that the ball valve cannot be applied to large-scale steam explosion equipment.

The invention relates to the field of steam explosion, and discloses biomass steam explosion fiber separation equipment which comprises an explosion tank, the explosion tank comprises a tank main body, a door plate, a driving mechanism and a door locking mechanism, the door plate is located on one side of a discharge port of the tank main body, and a closed explosion cavity is defined by the door plate and the tank main body when the door plate and the tank main body are connected; meanwhile, a locking hook of the door locking mechanism locks the door plate and the tank body, so that the sealing performance of the blasting tank is further guaranteed; the locking hook is connected with one of the door plate and the tank body, when the blasting tank is opened, the locking hook is separated from the other one of the door plate and the tank body, meanwhile, the driving mechanism drives the door plate to move so that the door plate can be separated from the tank body, and pressure in the blasting cavity is released instantly. The door locking mechanism is used for further guaranteeing the leakproofness of the blasting tank, instant door opening is achieved at the same time, mechanical energy is released from a locked state to instant opening of the door plate, the door plate is protected, deformation and stress release caused by impact of the door plate are relieved, and the service life of the door plate is prolonged.

The invention belongs to the technical field of pachymaran extraction, and particularly relates to a pachymaran extraction method and equipment based on steam explosion pretreatment. The equipment comprises a main body, a base, a feeding bin, a smashing bin, a steam explosion bin and a driving assembly. Mutually meshed crushing rollers are arranged in the feeding bin, crushing blades mounted on a driving rod are arranged in the crushing bin, and stirring blades, a supporting assembly, a steam inlet and a steam outlet are arranged in the steam explosion bin; the extraction method comprises the following steps: putting poria cocos into the feeding bin, and crushing the poria cocos into fragments through the crushing roller; the fragments enter a smashing bin and are ground into particles by smashing blades, and the particles fall into a steam explosion bin through a filter plate; introducing high-pressure steam into the bin, rotating the stirring blades to uniformly heat the particles, maintaining the pressure for a period of time, and quickly releasing the pressure to finish explosion; after blasting, discharging the material for subsequent extraction; through the synergistic effect of multi-stage crushing and steam explosion and the design of the stirring blades and the elastic filter plates, uniform treatment of materials is achieved, the polysaccharide yield is increased, and the device is suitable for efficient extraction of pachymaran.

A method for processing a lignocellulose biomass material with a moisture content below 10 weight-% and an ash content below 1.0 weight-% includes: adding an acid catalyst to the lignocellulose biomass material; after adding the acid catalyst, thermally treating the lignocellulose biomass material with steam at an elevated pressure and an elevated temperature in at least one reactor; discharging the lignocellulose biomass material and blow steam from the at least one reactor using a steam explosion discharge device; and forming pellets and / or briquettes from at least part of the discharged thermally treated lignocellulose biomass material.

Method and control system are provided for controlling values of process parameters of a pretreatment process of wood particles. A sampler is used to obtain a sample of a product flow of said pretreatment process after said wood particles have undergone steam explosion in a hemihydrolysis reactor. A particle measurement device is used to measure one or more characteristics of particles in said sample and to produce one or more pieces of measurement information indicative of the measured characteristics. Said one or more pieces of measurement information are used to select one or more values of one or more of said process parameters.

The utility model provides an efficient silencing ejection type steam explosion machine, which comprises a screw conveyor, a storage box, a feeding chamber, a steam explosion box, a storage tank and a base; the storage box, the feeding chamber, the steam explosion box, the storage tank and the base are sequentially arranged from top to bottom, and the screw conveyor is fixed on the side of the storage box; the feeding chamber is provided with an electric louver valve between the storage box and the steam explosion box; the steam explosion box and the storage tank are externally provided with a silencing shell; a stirrer is arranged in the steam explosion box; the feeding chamber is provided with a compressed air injection port; the steam explosion box is provided with a steam injection port; a piston type sealing valve is arranged between the steam explosion box and the storage tank; a support column and a guide cylinder are arranged in the storage tank; the upper end of the support column is connected with the piston type sealing valve, and the lower end of the support column is inserted into the guide cylinder; the support column is provided with an electromagnetic lock; a push cylinder is arranged below the guide cylinder, and a buffer damper is arranged between the push cylinder and the support column. The utility model can effectively improve the steam explosion processing quality of straw, has higher steam explosion efficiency, can automatically feed during steam explosion processing, has smaller noise, and is more conducive to the collection of the straw after steam explosion.

The present application relates to the technical field of mine exploitation equipment, and specifically discloses a kind of ore body pre-splitting device and method based on steam explosion principle.A kind of ore body pre-splitting device based on steam explosion principle, comprising: outer liquid chamber, inner reaction chamber, heating device, solid heat source located in the inner reaction chamber, pressure relief port, blasting device, sensor assembly, electronic controller, the signal input end of electronic controller is connected with the signal output end of sensor assembly, the signal output end of electronic controller is connected with the control end of heating device.The present application converts steam explosion energy into controllable cracking force, realizes the controllable explosion direction, the pressure peak value 5-30MPa is adjustable, solves the problem of traditional blasting vibration, hydraulic fracturing sealing difficulty, has the advantages of green safety, energy utilization rate>85%.

The invention relates to the technical field of steam explosion, and discloses a steam explosion blow-off device and steam explosion equipment, the steam explosion blow-off device is used for blowing off materials in a cooking container, and the steam explosion blow-off device comprises a first blow-off pipe communicated with the cooking container; and a nozzle is connected inside the first blow pipe or at one end deviating from the cooking container. By means of the nozzle with the specific blow-off caliber, continuous blow-off can be achieved, the uniformity of steam explosion materials can be guaranteed, and it is guaranteed that the steam explosion materials have the good enzymolysis conversion effect; due to the fact that the nozzle can achieve stable and continuous spraying, steam with stable quality and quantity can be sprayed out, and the steam is recycled. According to the steam explosion blow-off device, an action element does not need to be arranged on the blow-off pipeline of the cooking container for intermittent blow-off, and therefore many defects existing in intermittent blow-off discharging and pulse type blow-off discharging in the prior art can be overcome.

The application relates to the field of biomass briquette production, and particularly discloses a biomass briquette production method.A biomass briquette production method comprises the following steps: (1) drying and crushing biomass raw materials, and then performing rapid pyrolysis treatment in an oxygen-limited environment, and then modifying by high-pressure steam explosion; (2) mixing the modified biomass with activated coal powder, a composite binder and a combustion improver in a specific proportion, wherein the coal powder is activated by light tar and wood vinegar; (3) adopting a gradient hot-pressing forming process to realize densification forming through multi-stage temperature-pressure control; and (4) finally obtaining a finished product through low-temperature curing.The briquette prepared by the application has good strength and combustion efficiency.

The invention relates to the technical field of mining equipment, and particularly discloses an ore body presplitting device and method based on a steam explosion principle. An ore body presplitting device based on the steam explosion principle comprises an outer-layer liquid cavity, an inner-layer reaction cavity, a heating device, a solid heat source located in the inner-layer reaction cavity, a pressure relief opening, an explosion device, a sensor assembly and an electronic controller, and the signal input end of the electronic controller is connected with the signal output end of the sensor assembly. And the signal output end of the electronic controller is connected with the control end of the heating device. Steam explosion energy is converted into controllable fracturing force, the explosion direction is controllable, the pressure peak value is adjustable within the range of 5-30 MPa, the problems that traditional explosion vibration is large, and hydraulic fracturing sealing is difficult are solved, and the method has the advantages that environment friendliness and safety are achieved, and the energy utilization rate is larger than 85%.