368 results about "Coal water" patented technology

The invention relates to the technical field of dechlorination devices, and provides a high-chlorine coal washing dechlorination leaching device which comprises a dechlorination tank body provided with a washing dechlorination area, and a circulation opening is formed in the bottom of the washing dechlorination area; the conveying part is circularly arranged on the dechlorination tank body, the plurality of push plates are arranged on the conveying part, and the push plates are configured to move along the bottom of the washing dechlorination area under the driving of the conveying part; the screen piece is arranged on the circulation opening; the first spray pipe is arranged on the dechlorination tank body and located below the screen piece, the first spray pipe is provided with a first nozzle, and the first nozzle faces the screen piece. According to the technical scheme, the problems that in the prior art, the dechlorination effect needs to be improved when a traditional kettle body is subjected to water washing dechlorination, and a filter screen part in the kettle body is prone to being blocked are solved.

The invention belongs to the technical field of mining coal-water solid-liquid separation, and particularly discloses a multi-section extrusion progressive auger for a mining coal-water separator and the mining coal-water separator, the multi-section extrusion progressive auger comprises an auger shaft, a spiral conveying section and a spiral cutting extrusion section; the spiral conveying section consists of continuous auger blades fixed at the rear end of the auger shaft; each spiral cutting and extruding section is composed of two spiral blades fixed to the two side walls of the auger shaft, the spiral direction of the two spiral blades is the same as that of the auger blade, and the two spiral blades form an X shape in space. Compared with the prior art, the device is simple in structure and convenient to manufacture, coal water firstly enters the auger blade and is conveyed into the spiral cutting and extruding section at the front end, and water in the coal water can be better extruded out through multi-section progressive extrusion; and in the spiral extrusion process, the cutting edge can cut the spirally extruded coal slime residues, so that the large coal slime residues are cut up, and the coal-water separation effect is improved.

The invention relates to the technical field of coal water slurry additive processing, and particularly discloses a heat exchange device for coal water slurry additive processing, which comprises a reaction kettle, an overhaul bin gate, a rotary sealing mechanism, a first stirring mechanism, a second stirring mechanism, a feeding pipe and a discharging pipe, and the overhaul bin gate is hinged to the front side of the reaction kettle to realize sealed opening and closing. According to the invention, integration of stirring and heat exchange functions and efficient removal of a source of reaction heat are realized; meanwhile, the second stirring mechanism realizes stepless regulation and control of the angles of stirring blades through a built-in electric driving assembly, so that the core technical problems of flowing dead zones, scaling and incapability of adapting to process changes caused by low heat exchange efficiency and function splitting of a traditional device are solved, and the device has the effects of high heat exchange efficiency, deposition prevention, self-cleaning and dynamic and adjustable stirring force.

The utility model relates to the technical field of coal water slurry processing, and discloses a quantitative feeding device for gasified coal water slurry additives, which comprises a mixing barrel, a water inlet pipe is fixedly connected to the upper surface of the mixing barrel, a first feeding hole is fixedly connected to one side surface of the upper surface of the mixing barrel, and a second feeding hole is fixedly connected to the other side surface of the upper surface of the mixing barrel. The additive mixing device has the following advantages and effects that through the arrangement of the mixing barrel, the stirrer and the quantifying barrel, a worker introduces a main material of an additive from the main material end, introduces an auxiliary material from the first feeding hole and the second feeding hole, and starts the stirrer to stir the additive, so that the effect of mixing the additive is achieved; the whole flow control over the additive is achieved through the flow section, the quantitative adding effect is preliminarily achieved, when small-sized quantification is needed, the additive is introduced into the quantification cylinder through the first pump, the telescopic rod ascends synchronously, a small amount of needed additive is extracted, and the small-amount and quantitative feeding effect is achieved.

The utility model relates to a gasification burner for a coal water slurry gasification furnace. Comprising a gasification burner body, a metal protective cover is arranged on the gasification burner body, the metal protective cover comprises a fixed protective part arranged on the outer circumference of the gasification burner body and an end face protective part arranged on the end face of the gasification burner body, and the fixed protective part and the end face protective part are of an integrated structure; a through hole used for gasifying materials sprayed out of the burner body is formed in the center of the end face protection part. A high-temperature-resistant metal coating is fixedly arranged on the outer circumferential surface of the fixed protection part; the gasification burner has the advantages that the gasification burner body can be effectively protected, and the service life of the gasification burner body is prolonged.

The invention provides a coal-based solid waste foamed cement material for filling a coal mine tunnel and a preparation method of the coal-based solid waste foamed cement material. The coal-based solid waste foamed cement material comprises 10-30 parts of coal gasification coarse slag micro powder, 0-30 parts of first-grade fly ash, 70-90 parts of cement, 0.3-0.8 part of a foam stabilizer and 0.1-0.5 part of an additive, the coal-based solid waste foamed cement material is further doped with foam, the mixing amount of the foam is 2-5 times of the volume of the cement slurry, the coal gasification coarse slag micro powder is coal water slurry furnace gasification coarse slag, and the coal gasification coarse slag micro powder is prepared from, by mass, 40% of silicon dioxide, 19% of aluminum oxide, 15% of ferric oxide, 16% of calcium oxide, 3% of sulfur trioxide, 3% of sodium oxide, 1% of magnesium oxide and 0.5% of titanium oxide. And 0.5% of potassium oxide. According to the invention, a physical foaming method is utilized, coal-based solid waste is used as a raw material to replace part of cement, and the foamed cement material with light weight and high strength is prepared, so that the foamed cement material meets the use requirements of underground roadway filling.

The invention discloses an alkaline coal-water corrosion-resistant wear-resistant steel and a preparation method thereof. By reasonably adding elements such as Cr, Cu, Ni, and Sb, the self-corrosion potential and hardness a of the steel plate are improved, and at the same time, a wear-resistant steel with a structure of lower bainite + martensite + retained austenite is obtained; and through process design, the occurrence of cracks in the Sb-containing wear-resistant steel during the production process is effectively suppressed, and a large amount of Ti precipitated phases are retained inside the structure as hydrogen traps, thereby reducing the risk of delayed cracking of the Sb-containing wear-resistant steel plate during use; and through the composite addition of Ti and Mo, in conjunction with a slow cooling process and a heat treatment process design, a large amount of Ti and Mo composite carbides are retained in the quenched steel plate, and these carbides serve as hydrogen traps, thereby greatly improving the hydrogen-induced crack resistance of the Sb-containing wear-resistant steel during service, and finally obtaining alkaline coal-water corrosion-resistant wear-resistant steel with excellent mechanical properties and resistance to hydrogen-induced cracks.

The present invention discloses a pumping and drainage device, which relates to the technical field of coal mine gas drainage. The pumping and drainage device includes a pumping and drainage assembly and a flushing assembly. The pumping and drainage assembly includes a pumping and drainage pump, a liquid storage tank and a pumping and drainage head. The pumping and drainage pump and the pumping and drainage head are both connected to the top of the liquid storage tank. The pumping and drainage pump can extract the air in the liquid storage tank and generate negative pressure to attract the coal water in the downward hole to the liquid storage tank through the pumping and drainage head. The flushing assembly includes a flushing pump and a switching mechanism connected to each other. The pumping and drainage head is connected to the top of the liquid storage tank through the switching mechanism. The switching mechanism can selectively connect the flushing pump with the liquid storage tank, connect the flushing pump with the pumping and drainage head, or connect the top of the liquid storage tank and the pumping and drainage head. The flushing pump can inject water into the liquid storage tank when connected to the liquid storage tank to flush the liquid storage tank, and the flushing pump can also supply water to the pumping and drainage head when connected to the pumping and drainage head to flush the pumping and drainage head. The pumping and drainage device can drain the accumulated water in the downward hole and has the characteristics of good pumping and drainage effect.

The invention provides a boiler combustion optimization method. The boiler combustion optimization method comprises the steps that operation parameters of all key nodes in the combustion process are collected; determining an energy input item, an energy output item and a heat storage energy change item based on the collected operation parameters, establishing a load prediction model, and predicting a load change trend at a future preset moment; a fuel quantity optimization model based on the load change rate is established, the fuel conveying process is optimized, and the ideal fuel quantity is generated; an air quantity optimization model based on the flue gas oxygen content is established, the combustion process is optimized, and the ideal air quantity is generated; establishing a coal-water ratio optimization model based on the steam temperature, optimizing a steam generation process, and generating an ideal coal-water ratio; and controlling a corresponding execution mechanism to act according to an optimization result to realize optimization control of the combustion process of the boiler. By constructing the load prediction model and the combustion parameter optimization model, the dynamic optimization of the fuel quantity, the air quantity and the coal-water ratio is realized, the response speed of the boiler to the load change is improved, and the combustion efficiency and the steam quality are improved.

The invention discloses a gas furnace fly ash co-processing method and system, and belongs to the technical field of solid waste disposal. The method comprises the following steps: S1, grinding raw coal and water to obtain coal water slurry; s2, mixing the coal water slurry and the fly ash to obtain mixed slurry; wherein the water content of the mixed slurry does not exceed 55%, and the wet basis heat value is greater than 2800kcal / kg, so that the mixed slurry can realize self-sustaining combustion after being fed into the furnace; s3, the mixed slurry enters a hearth to be combusted; and S4, high-temperature flue gas generated by combustion enters the next procedure for heat exchange. According to the fly ash co-processing method, on one hand, heat generated by combustion of the coal water slurry can be utilized for heat tracing of the fly ash, so that combustion of the fly ash is achieved, and extra energy consumption is not needed; and on the other hand, the fine fly ash and the coal water slurry are mixed to obtain slurry with certain viscosity, so that the fine fly ash can be effectively prevented from being carried by the airflow and quickly passing through the hearth, the retention time of the fly ash in the hearth is prolonged, and the fly ash is combusted more sufficiently.

The utility model discloses a multi-stage filtration coal sinking system for flushing waste coal water, including: a three-stage coal sinking ditch device and a waste coal water collecting device arranged in a stepped manner from top to bottom, the first coal sinking ditch is arranged horizontally, its inlet end is connected to the tail of the belt-washing coal slag ditch, and a detachable first filter is arranged at the outlet end; the second coal sinking ditch is stepped down to connect the first coal sinking ditch and its cross section is L-shaped, and a second filter is detachably provided at its outlet end; the third coal sinking ditch is stepped down to connect the second coal sinking ditch and its cross section is L-shaped, and a third filter is detachably provided at its outlet end; the inlet end of the waste coal water collecting device is connected to the third coal sinking ditch, a submerged water pump is provided inside, the first filter, the second filter, and the third filter are designed in stages, and an overflow tank is provided on the top side of each filter. The present application adopts multi-stage filtration, the device structure is simple, and the installation is convenient, which can realize the significant reduction and recycling of the coal content in the waste coal water.

The utility model provides a heat transfer strengthening structure, a heat transfer strengthening pipe and a preheating device. The heat transfer strengthening structure comprises a coal water slurry pipe and at least one protrusion distributed on the inner wall of the coal water slurry pipe. The ratio of the height of the protrusions to the inner diameter of the coal water slurry pipe is (1-8): 50. The heat transfer strengthening pipe comprises the heat transfer strengthening pipe structure. The preheating device comprises a shell and the heat transfer strengthening pipe located in the shell. According to the heat transfer strengthening structure, the protrusions are arranged on the inner wall of the coal water slurry pipe and serve as inner wall face modification, blocking during flowing of coal water slurry is prevented, and heat transfer strengthening is facilitated.

The invention provides a coal water slurry gasification system and method taking biomass as a raw material, and belongs to the technical field of biomass green low-carbon utilization. The problem that high-temperature corrosion of equipment is caused in the biomass utilization process due to the fact that the chlorine content in biomass, especially crops, is high is solved. The system comprises a biomass pretreatment unit, a pulverization unit, a pulping unit, a gasification unit and a synthesis gas treatment unit which are connected in sequence. The method is mainly used for biomass treatment and resource utilization.

The utility model discloses a spiral-flow type coal water slurry process burner. The spiral-flow type coal water slurry process burner comprises a three-channel structure, the three-channel structure sequentially comprises a central oxygen channel, a coal water slurry channel and an outer epoxy channel from inside to outside; the central oxygen channel, the coal water slurry channel and the outer epoxy channel are connected through flanges; a cooling water assembly is arranged on the outer side of the outer epoxy channel; a central oxygen cyclone is fixed on the inner wall of the central oxygen channel and comprises a cyclone bracket and a first cyclone sheet; one end, far away from the burner head, of the rotational flow bracket is in a pointed cone shape; the first swirl piece is formed by stretching a first end face along a curve, and a first adjacent side face of the first swirl piece is fixedly connected with the swirl support. Through a rotational flow form, the mixing effect of oxygen and coal water slurry is enhanced, and the purpose of sufficient mixed combustion is achieved, so that the carbon conversion rate is improved, the yield of carbon monoxide and hydrogen serving as main components in the period of validity is improved, efficient and clean utilization of coal resources is realized, and the production cost is reduced.

The present invention provides a water-circulating coal-water separation integrated machine, which belongs to the field of coal-water separation technology, and includes a walking platform, a coal-water separation mechanism, a booster pump and a first drive motor, wherein the first drive motor provides power for the booster pump, and the booster pump pressurizes the water separated by the coal-water separation mechanism and delivers it to the drilling rig water supply device, and the coal-water separation mechanism is used to continuously separate the coal-water mixture collected by the orifice collector and store the separated water. The whole machine of the present invention adopts a walking structure, utilizes the coal-water separation mechanism to perform online continuous solid-liquid separation of coal and water, utilizes the booster pump to pressurize the water separated by the coal-water separation mechanism and delivers it to the drilling rig water supply device, so that water resources are recycled, which not only improves the environment of the roadway, and enables a large amount of coal and water to be separated and recycled during drilling and punching, but also is easy to move, simple to operate, and low in cost.

The application discloses a kind of concentrated pool coal-water interface video image recognition device and method, comprising: sequentially connected concentrated pool fixed module, mobile module, image acquisition module and image processing module;The mobile module uses movable guide rail, under the guidance of the concentrated pool fixed module, the video information in the concentrated pool is collected by the image acquisition module, and based on image processing module, the video information is analyzed and processed, the number of coal particles is obtained, and then the coal-water interface is identified.The application has the characteristics of non-contact and intelligence by image processing method, with the help of the relatively mature image processing technology and data transmission technology, the dependence on hardware such as sensor is lower, and it is easy to upgrade and transform.

This invention discloses a novel, low-load, high-efficiency thermoelectric decoupling heating system. The system is characterized by replacing the high-pressure bypass section with an extraction section. This extraction section extracts steam from the middle of the superheater and uses this steam to heat the secondary air or drive the induced draft fan. Compared to existing technologies, this invention, after heating the secondary air or driving the induced draft fan, returns the steam to the cold section, thus overcoming the problem of limited extraction capacity in conventional systems. It also allows for changes in the coal-to-water ratio within the boiler under low load conditions, increasing the outlet steam temperature of the superheater and reheater under low load conditions, and avoiding the widespread problem of underheating of main steam and hot reheat steam under low load conditions.

The utility model discloses an abrasion -resistant coal water slurry feed diaphragm pump relates to coal water slurry conveying technical field, including fixed base, four pump body housings are fixedly connected through the fixed stand on the fixed base, both ends of each pump body housing are fixedly connected with fixed end cover in thread, and both sides fixed end cover correspond fixedly connected with inner hose diaphragm and outer hose diaphragm between pump body housing inner chamber, the inner hose diaphragm is inserted to the center of outer hose diaphragm, and one side fixed end cover is buried with pressure sensor between annular gap end position between inner hose diaphragm and outer hose diaphragm, and the structure of double hose diaphragm makes the coal water slurry that is transported only with inner hose diaphragm inside and modular one -way valve contact, and is completely isolated with the pump cavity of pump body housing. Effectively avoid the corrosion and abrasion of the pump cavity of pump body housing to coal water slurry. The deformation of inner hose diaphragm and outer hose diaphragm is closer to the expansion and shrinkage of radial, avoids stress concentration, and makes fatigue life greatly improve.

The invention discloses a crossheading coal-water separation reversed loader self-adaptive to the water inflow of a working face. At least two drainage grooves and a convex groove communicated with the drainage groove at the tail end are sequentially formed in a suspended section of the reversed loader; a shifting mechanism communicated with the convex groove lower chain way is arranged below the convex groove; the sorting and transferring mechanism comprises a box body, a power shaft, a spiral blade and a driving part; the inlet end of the box body is communicated with the outlet end of the material stirring mechanism, the water level sensor is installed at the lower end of the box body, the power shaft is rotationally installed in the box body, the spiral blade is fixedly installed in the axis direction of the power shaft, the driving part is installed outside the box body, and the input end of the driving part is connected with the input end of the power shaft. And the controller is electrically connected with the water level sensor and a frequency converter of the reversed loader driving motor through wires. The water level sensor is arranged in the box body, a water level signal is detected in real time, the scraper chain speed of the coal-water separation reversed loader is adjusted according to the water level signal, and when the water inflow of a working face is higher than a normal value, the coal-water separation effect can be guaranteed.

The application discloses an ultrasonic reinforced multi-stage atomizing nozzle device and an application method and an atomizing treatment system. The application adopts micro-nano aeration and ultrasonic dissolved air technology, two-stage ultrasonic spiral nozzle atomizing technology, bubble atomizing technology and air jet amplification technology, realizes a micro-nano atomizing process under low power consumption and maintenance-free conditions, and has the characteristics of a large nozzle inner hole, good atomizing effect (micro-nano level), no scaling and no blockage during operation, and maintenance-free during operation, and is especially suitable for application in micro-nano physical and chemical processes of high-viscosity fluids. The application is not only suitable for common atomizing fields, but also suitable for seawater desalination, desulfurization and denitrification atomizing, high-salt wastewater evaporation, coal water slurry atomizing and other fields.

The utility model relates to the technical field of slag salvaging devices, in particular to a slag salvaging device for coal water slurry gasification, which comprises a slag salvaging machine, the slag salvaging machine comprises two chain components which are symmetrically mounted inside, each chain component comprises a chain shaft, an arc hole is formed in the narrower end of each chain shaft, a threaded hole is formed in the narrower end of each chain shaft, and the arc holes are communicated with the threaded holes. A mounting cavity is formed in the outer wall of the narrow end of the chain shaft, an arc pin is slidably connected to the inner wall of the arc hole, a connecting hole is formed in the outer wall of the arc pin, and a bolt is in threaded connection with the inner wall of the threaded hole. According to the chain link assembly, the arc pin is inserted into the arc hole in the chain shaft, the bolt is screwed into the threaded hole in the chain shaft, the end of the bolt penetrates through the connecting hole in the arc pin, the arc pin is further fixed, and therefore the situation that when the chain link assembly operates for a long time, the arc pin is loosened due to deformation, and the chain pieces fall off is avoided; and the bolts are screwed out of the arc pins, so that the chain pieces can be conveniently replaced.

The invention relates to the technical field of coal water slurry additives, and discloses an anti-precipitation coal water slurry additive and a preparation method thereof, the anti-precipitation coal water slurry additive comprises the following raw materials by weight: 10-20 parts of modified nano silica, 30-40 parts of a bio-based dispersant prepared from corn straw, 5-10 parts of an ionic liquid stabilizer, and 3-5 parts of a compound synergist; the method comprises the following steps: S1, pretreating corn straws and preparing modified nano silicon dioxide; and S2, weighing the components according to the proportion, dispersing, and grinding and granulating after the dispersion is completed. The modified nano S < iO2 > is adsorbed on the surfaces of coal particles as a'rigid core ', and sedimentation is inhibited through steric hindrance; the ionic liquid forms a flexible shell, the interfacial tension is reduced, and the low-temperature fluidity is improved. The corn straw is used for replacing a traditional petroleum-based dispersing agent, and the cost is reduced by 40% or above. The compounded synergist automatically adjusts the pH value of the slurry to 8-9 according to the environment, and prolongs the stable period to 30 days.

The invention discloses a reaction system for producing hydrogen through coal supercritical water gasification. The reaction system comprises a vertical tank body, a heat insulation lining, a gas collection chamber, a separator, a slag collection chamber, a coal water slurry distribution pipe and an inlet diffuser, the separator is arranged between the gas collection chamber and the slag collection chamber, an upper exhaust port of the separator is communicated with the gas collection chamber, and a lower slag discharge port of the separator is communicated with the slag collection chamber; an ash inclined pipe at the lower part of the slag collecting chamber extends out of the vertical tank body to form an ash outlet; the coal water slurry distribution pipe is an annular pipe, and coal water slurry distribution holes are formed in the coal water slurry distribution pipe; the inlet diffuser is mounted at the bottom head of the vertical tank body; the inlet end of the supercritical water inlet pipe extends out of the bottom head of the vertical tank body to form a supercritical water inlet; a coal water slurry inlet is formed in the coal water slurry distribution pipe; a gas outlet is formed in a top sealing head of the vertical tank body; the lower end of the gas outlet is communicated with the gas collecting chamber. According to the invention, coal is gasified in a supercritical water environment to generate hydrogen, so that clean utilization of coal is realized; uniform heat supply of supercritical water to gasification reaction can be realized, and high-efficiency gasification of coal under large treatment capacity is realized.

The utility model relates to the technical field of coal water slurry storage, in particular to an improved coal water slurry storage bin which comprises a bin body, a feeding pipe and a discharging pipe are arranged at the upper end and the lower end of the bin body respectively, a transmission mechanism is arranged on the bin body, a motor is further arranged on the bin body, and an output shaft of the motor is connected with a driving gear. One end of a wheel shaft of the second driven wheel extends into the bin body and is provided with a rotating assembly, the wheel shaft of the second driven wheel is sleeved with a connecting sleeve, one end of the connecting sleeve extends into the bin body and is provided with a scraper assembly, and the other end of the connecting sleeve is provided with a scraper assembly. The scraper assembly is in contact with the inner wall of the bin body, and the other end of the connecting sleeve is connected with the gear ring. The movable scraper assembly rotates at a low speed, so that the scraper assembly can conveniently clean the coal water slurry adhered to the inner wall of the bin body, and the coal water slurry is fully stirred and mixed through the rapid rotation of the rotating assembly.

The invention relates to the technical field of low-temperature methanol washing, in particular to a poly-generation acid gas removal method matched with a coal water slurry gasification device and a poly-generation acid gas removal device matched with the coal water slurry gasification device. The use amount of the first-stage CO2-rich methanol is reduced; the technical problem that CO2 gas is polluted by H2S gas in the medium-pressure flash evaporation process is solved by optimally setting the medium-pressure flash evaporation process and adopting a classified flash evaporation and classified washing technology; by optimally setting a medium-pressure flash evaporation process, low-sulfur carbon-rich methanol is generated, and meanwhile, the low-sulfur carbon-rich methanol is subjected to secondary utilization; by optimally arranging the gas stripping process of the re-absorption tower, the first semi-barren liquor methanol, the low H2S methanol, the second H2S-rich methanol and the first H2S-rich methanol are used for carrying out series absorption on the gas stripping gas, so that the method has the characteristic of low comprehensive energy consumption.

This invention discloses a method for hydraulic mining of ultra-steep and steeply inclined coal seams using boreholes, relating to the field of coal mining technology. The method includes a roadway layout in the mining area, with roadway modules arranged in the pseudo-incline uphill and longwall mining face roadways of the steeply inclined coal seam. The borehole hydraulic mining module includes boreholes and a borehole hydraulic mining system, with a drilling water gun fixed to the top of the drill rod. High-pressure water jets generated by the drilling water gun are used to break up the coal body around the borehole, achieving hydraulic mining. The coal and water transport module includes a coal and water gravity flow channel and a gravity flow trench. A flexible protective net is used to isolate the goaf and protect the coal face and the coal and water gravity flow channel. Therefore, this method requires only the lower roadway drilling rig operator, enabling unmanned operation of the coal face and providing a new technical approach for the safe and efficient mining of steeply inclined coal seams.

The invention discloses a reaction device for producing hydrogen through coal supercritical water gasification. The reaction device comprises an inner-layer vertical tank body, an outer-layer vertical tank body, a jacket layer of the inner-layer vertical tank body, a gas collection chamber, a separator, a slag collection chamber, a coal water slurry distribution pipe and an inlet diffuser, the separator is arranged between the gas collection chamber and the slag collection chamber, an upper exhaust port of the separator is communicated with the gas collection chamber, and a lower slag discharge port of the separator is communicated with the slag collection chamber; an ash inclined pipe is arranged at the lower part of the slag collecting chamber and extends out of the outer-layer vertical tank body to form an ash outlet; the coal water slurry distribution pipe is an annular pipe, and coal water slurry distribution holes are formed in the pipe wall; the inlet diffuser is mounted at a bottom sealing head of the inner-layer vertical tank body and directly faces the outlet end of the supercritical water inlet pipe, a gas outlet extending out of the outer-layer vertical tank body is formed in a top sealing head of the inner-layer vertical tank body, and the lower end of the gas outlet is communicated with the gas collecting chamber. According to the invention, coal is gasified in a supercritical water environment to generate hydrogen, so that clean utilization of coal is realized; uniform heat supply of supercritical water to gasification reaction can be realized, and high-efficiency gasification of coal under large treatment capacity can be realized.

The application discloses a drilling water-coal separation metering integrated machine, which comprises a drilling machine and a coal-water separation device, the drilling machine is provided with a blowout prevention hole module, and the water-coal outlet of the blowout prevention hole module is connected with the feeding end of the coal-water separation device; the coal-water separation device comprises a tracked vehicle, and an angle-adjustable pipe chain type coal-water separation module is arranged on the tracked vehicle; and the feeding port of the coal-water separation module is connected with the water-coal outlet through a metering module. The drilling machine and the coal-water separation device are integrally designed, the structure is simple, the drilling machine is convenient to use, and the coal-water mixture can be metered before being separated.

1. Name of the product in this design: Dual-drive vibrating spiral coal-water separation equipment. 2. Application of this design: It is used in scenarios such as coal mine drilling and underground coal mining operations. Its core function is to efficiently separate and filter the coal slurry-water mixture generated during the drilling process to ensure that the water quality meets the standards for discharge or recycling. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention discloses a coal water treatment system which comprises filter pressing equipment and a cleaning mechanism, the filter pressing equipment comprises a plurality of filter plates arranged in sequence, and a flushing cavity is formed between every two adjacent filter plates; the cleaning mechanism comprises a moving unit, an adjusting part and a spraying part, the moving unit is arranged on one side of the filter pressing equipment and connected with the adjusting part, the spraying part is connected with the adjusting part, and the adjusting part is used for driving the spraying part to move so that the spraying part can be in a first state of being inserted into the flushing cavity and a second state of being located on the outer side of the flushing cavity; when the spraying piece is in the first state, the moving unit can drive the adjusting piece to move between the two opposite sides of the flushing cavity, and when the spraying piece is in the second state, the moving unit can drive the adjusting piece to move in the arrangement direction of the multiple filter plates. The problem that when coal water is dewatered through a filter press, if the filter plate is cleaned irregularly, the filter plate is prone to being blocked is solved.