135results about How to "Fast gas production" patented technology

The invention discloses a method for producing methane by dry fermentation of beast and bird wastes and crop straws. According to the method, solid beast and bird excrements with the dry material concentration of higher than 15% and crop straws which is subjected to pre-treatment are mixed according to a certain ratio and introduced to an anaerobic dry fermenting device together with naturalized active mud; a small deal of biogas slurry is recovered as inoculums, and fermentation residues are subjected to secondary compost to produce organic fertilizer. The method has the following advantages of high gas generation speed and high fermentation efficiency; the methane content is up to 50-65% which can meet the using demands of power generation and diary gas appliances; the produced organic fertilizer is unlikely to cause ammonia poison; eggs are killed completely; and the nitrogen fertilizer loss is low.

The invention discloses a spiral self-stirring dry fermentation device and a method. Fermentation cylinders are obliquely arranged at the bottom in a gas storage tank which is installed on a top board of a leachate holding tank; an enclosed inner cylinder is arranged at the central part in each fermentation cylinder along an axial direction; a leachate jet pipe is mounted in the inner cylinder; nozzles are distributed on the leachate jet pipe and extend out from the inner cylinder; spiral separator plates are distributed in each fermentation cylinder along an axial direction, and initiating terminals of the spiral separator plates are located behind a feed inlet; a lower end of each fermentation cylinder is provided with a material outlet, a slag removal opening communicating with the material outlet of the fermentation cylinder is mounted on a base plate of the gas storage tank, and a slag removal door is arranged on the slag removal opening; the leachate holding tank is provided with a leachate return pipe communicating with the gas storage tank and a pipeline communicating with a leachate inlet of the leachate jet pipe; electric heating pipelines are distributed in the leachate holding tank; and a biogas conveying pipeline communicating with the upper part of the gas storage tank is arranged at the upper part of the leachate holding tank. The invention also provides the method of using the device for fermentation.

The present invention discloses a multi-stage pulse synergistic perforating system for oil-gas well. Said system is characterized by that on the basis of adopting detonator for resisting sand impact and synergistic perforating gun said invention utilizes synergistic gun tail, connecting component and threaded connecting component to make second-stage synergistic gunpowder with higher combustion velocity and third-stage synergistic gunpowder with lower combustion velocity be added into the construction pipe string, and the adopted partition board time-delay fire lighter can light the next-stage synergistic gunpowder after a period of time after the last-stage perforating gun is perforated so as to form several gunpowder pressure pulses to fracture formation and make the fracture be continuously extended. Besides, the proppants in two synergistic gunpowders can be fed into the formation fracture together with high-temperature high-pressure gas so as to prevent the formation fracture from being closed.

The invention relates to a method for promoting the phosphorus release and the gas production of phosphate-precipitate-containing sludge under a room temperature condition. The method comprises: placing phosphate-precipitate-containing sludge in a reactor, carrying out static precipitation at a room temperature, and discharging the supernatant to obtain concentrated mixed sludge; adding trisodiumcitrate according to the total suspended solid content of the sludge, sealing the reactor, and carrying out anaerobic fermentation for more than 7 days under a room temperature condition, wherein thephosphorus release rate of the sludge can be increased, and the anaerobic fermentation of the sludge can be promoted so as to produce acid and methane. Compared to the method in the prior art, the method of the present invention has the following characteristics that the phosphorus release in the phosphate-precipitate-containing sludge can be promoted sp as to improve the recovery rate of the phosphorus resource at the late stage and promote the anaerobic fermentation of the sludge to produce acid and gas, and achieve the resource utilization of the residual sludge, and the operation is performed at the room temperature, such that the economic cost is low.

The invention provides an intelligent production adjusting method and device for gas wells and belongs to the technical field of oil field digitization. When oil pressure is higher than a certain pressure value P1, the liquid carrying capability of gas is in a strong state, a control valve is in a circulation-closed state, and at the moment, an underground controller has the maximal opening degree; when the oil pressure is lower than a certain pressure value P2, the liquid carrying capability of gas is poor, or gas cannot carry liquid, and at the moment, the opening degree of the throttling hole of the underground controller is controlled to increase the gas flow rate so as to enhance the liquid carrying capability; and. therefore, the oil pressure value and the casing pressure value of a pressure gauge are read, a reasonable valve opening degree is calculated in combination with the gas production rate, a control box sends a command to the control valve to enable the control valve to reach an appropriate opening degree, a control rod of the underground controller, of which the left face receives a smaller stress than the right face, moves leftwards till a balance is achieved, and the opening degree of the throttling hole is between the maximal opening degree and the minimal opening degree, so that the gas flow rate is the maximal, and the goal of carrying the largest volume of liquid is achieved.

The invention discloses a biomass gasifier, wherein the propellant bottle is composed of a barrel (4) and a barrel cover (5), the berrel is divided into an upper carbonization gas making chamber (8) and a lower air chamber (9) through a clapboard (7) with ventholes (6), the turnnel wall of an air chamber (10) is provided with an air inlet (10), a fan (2) is arranged on the air inlet (10), the upper turnnel wall of the carbonization gas making chamber (8) is provided with an air supply opening (12), the top of the barrel (4) is equipped with the barrel cover (5) through a water seal trough (13), an air supply tube (14) on the air supply opening (12) is connected with a fuel gas filtering pot (3), which is connected with an oven (16) through a hose (15). The invention performs the deep exploitation and use on the agricultural resources, changes wastes into valuables, which can increase the utilance of the agricultural resources.

The invention discloses compound enzyme used for methane gas fermentation and capable of supplementing trace elements, which is used for quickly decomposing raw materials in methane gas fermentation to supplement the trace elements so as to quicken gas production and increase gas yield. The compound enzyme comprises an enzyme preparation part and a trace element part, wherein the enzyme preparation part is prepared by compounding the following solid monomeric enzyme raw materials in percentage by weight: 20 to 30 percent of 20,000u/g xylanase, 20 to 30 percent of 20,000u/g cellulose, 5 to 10 percent of 1,500u/g lipase, 5 to 10 percent of 10,000u/g pectinase, 5 to 10 percent of 30,000u/g saccharifying enzyme and 5 to 10 percent of 10,000u/g glucanase; the trace element part is prepared from the following raw materials in percentage by weight: 10 to 15 percent of zinc sulfate, 20 to 30 percent of powdered rock phosphate, 10 to 20 percent of steelmaking slag, 12 to 16 percent of calcium carbonate, 20 to 25 percent of stove ash, 5 to 10 percent of active carbon and 4 to 8 percent of nonionic surfactant; and a weight ratio of the enzyme preparation part to the trace element part is 1:(1-2). The compound enzyme can produce gas quickly, increase gas yield, prolong fermentation time, reduce residual energy and improve utilization rate of the raw materials.

The invention relates to an advanced dry anaerobic digestion method based on sludge modification pretreatment. The method comprises the following steps: pre-treating dehydrated sludge for 10-60 minutes at a certain temperature and pressure, and cooling to a certain temperature value at the fermentation temperature of 35-42 DEG C or 50-60 DEG C so as to obtain modified sludge; fully mixing the modified sludge with inoculated sludge at a volume ratio of (1:10)-(1:1), putting the mixed sludge in an anaerobic fermentation tank, and starting a temperature control device so that the material temperature is controlled at the fermentation temperature to stand for 3-10 days; then carrying out continuous feed and discharge, controlling feed and discharge amount each day so as to gradually improve operation load, carrying out feed by using the modified sludge with the feed amount of 0.5-1m<3>/d, maintaining the operation for 12-30 days under the load level when the load is improved once, improving the load again after a digestion parameter discharge VS and daily gas production amount are stable until a planned load is reached; after starting the anaerobic digestion process, performing a stable operation stage; carrying out continuous feed and discharge, and controlling material retention period to 12-20 days so that the digestion load is maintained at a set level; and treating biogas residue. By using the method, the viscosity of the sludge can be reduced, dry digestion speed and gas production amount are improved; and compared with the wet fermentation, equipment investment and occupied soil are saved.

The invention provides a method for only fermenting and decomposing feces of livestock and poultry, and a method for simultaneously fermenting and decomposing feces of livestock and poultry and other organic waste to producing biogas continuously through an ecological type energy environmental-protection recycling system. The invention further provides a curve tunnel type biogas digester, a device capable for realizing automatic operation without energy consumption, and a device capable of achieving that the operation of the device is controlled remotely through a computer. The building of an oversized biogas digester with the monomer digester capacity of 1000 cubic meters is not limited by the span of a digester cover, and raw materials can be fermented, decomposed and sterilized at room temperature for at least 93 days and then are directly discharged into nature water. The ecological type energy environmental-protection recycling system can be used as a converter of biomass energy and can produce a large amount of biogas in modes of environmental protection, stable yield, low cost and large scale. The difficulties of environmental pollution and energy shortage can be solved, and the economic benefit can also be obtained.

The invention discloses a household straw gasifying device, comprising a furnace body, a furnace cover, a furnace bottom, and the like. The furnace cover is fixedly and hermetically connected with an upper end surface of the furnace body, and the furnace bottom is placed at the lower part of the furnace body. The furnace cover is provided with a top cover, and a sealing ring is added at the contact part of the furnace cover and the top cover; a material compaction device is arranged in the centre of the top cover; pressurizing sheets are all arranged at an outer edge of the upper end surface of the furnace body; and a big furnace tooth is embedded into the lower end surface of the furnace body, the big furnace tooth is fixed with a support, and the support is fixed with the furnace bottom. The material compaction device ensures even stress of the material and is difficult to form a cavity and deflection in the burning process, thereby prolonging gas production time, accelerating gas production speed, increasing gas production quantity, prolonging firing time and ensuring repeated use of fuel for a long time; and a tar re-melting burning device completely solves the problem of secondary pollution caused by no treatment to the tar generated by a household straw gasifying furnace, therefore, the invention can not only satisfy the requirement of cooking, bathing and warming, but also is particularly suitable for temperature rising of apparatuses for agricultural production .

The invention relates to a gas generating agent composition. The gas generating agent composition comprises fuel, an oxidizing agent, a rare earth metal organic salt and an azotetrazolate nonmetal salt which are used as raw material components. By adding the rare earth metal organic salt and the azotetrazolate nonmetal salt to the fuel and the oxidizing agent, the decomposition temperature of the fuel is ahead of time, the fuel decomposition is promoted, and the combustion rate and the gas production rate are increased; and lots of gases are generated after reaction of the azotetrazolate nonmetal salt with oxides, thus enhancing the ignitability, increasing the combustion rate and reducing the combustion temperature. The gas generating agent composition is capable of effectively improving the ignitability and reducing the combustion temperature, meanwhile does not generate residues and is high in gas generation efficiency, large in gas production rate and fast in combustion rate.

The invention discloses a rheid fermenting cellar and a method for producing methane by utilizing the rheid fermenting cellar. The rheid fermenting cellar comprises a seal housing (1) and cement floor (5), the seal housing (1) is made from flexible sealing membrane material and the lower edge of the seal housing (1) is a ring-shaped air inflation sealing ring (2).The cement floor (5) is embedded with a ring-shaped groove (3), the cross section of the groove is in the shape of an inverted ohm shape with the small opening and the large cavity. The air inflation sealing ring (2) is integrated with the ring-shaped groove (3) and tightly integrates the seal housing (1) and the cement floor (5) after being aerated, thus forming a sealed rheid fermenting cellar. The top of the rheid fermenting cellar is provided with a methane outlet pipe (4).In the invention, the solid state fermentation technology is adopted, the pretreated ferment raw material is charged in a split mode in plastic boxes( barrels) suitable for transportation, and piled up and stacked in advance in the rheid fermenting cellar. The method of the invention has large production of methane, simple device structure, easy construction, small investment and low cost.

A controllable steam generation device comprises a mini-type water feed pump, a steam generation pipe, a heating device and a steam bearing device. The mini-type water feed pump is provided with silicone pipes of different specifications in a matched mode; one end of each silicone pipe is connected with a pure water storage tank; the other end of each silicone pipe is connected with the steam generation pipe; the steam generation pipe is a stainless steel coiled pipe; the heated part is arranged in the heating device, fed water is completely evaporated by being heated, and produced steam enters a mixing tank and is fed into a steam utilization device through the steam bearing device; a steam pipeline, a steam bearing pipeline and the mixing tank are respectively provided with a heat tracing device. The controllable steam generation device has the advantages of being convenient to install, easy to operate, controllable in flow and temperature and the like, meets the supply requirement of a trace of steam of laboratories, and solves the problem that online measurement of steam in mixed gas is difficult.

The invention discloses a manufacturing method of natural yeast bread dough. The method includes the steps that a, natural yeast liquid raw materials selected from fruits and cereals at least including glutinous barley are fermented to obtain natural yeast liquid; b, high-gluten flour and glutinous barley flour are mixed to obtain mixed flour, the mixed flour and the natural yeast liquid are mixed to obtain a mixture, and the mixture is fermented to obtain primary natural yeast; c, after the primary natural yeast is fermented, the primary natural yeast, warm water, high-gluten flour and glutinous barley flour are stirred into mixed dough, and the mixed dough is fermented at low temperature to obtain sponge dough; d, high-gluten flour, glutinous barley flour, malt flour, soya bean lecithin and a water solution are stirred and then added into the sponge dough to form bread dough through stirring. The invention further discloses natural yeast bread dough manufactured by adopting the method. The high water absorption rate and the high aerogenesis capacity of the glutinous barley flour, the capacity of promoting yeast aerogenesis of the malt flour and the emulsifying capacity of the soya bean lecithin are used, and low-temperature secondary fermentation is combined to obtain soft and healthy bread moderate in mouthfeel and high in nutritive value.

The invention discloses a marsh gas reactor with a crusting resistance device, which comprises a fermenting tank, a sealing cover and a crusting resistance device, wherein the sealing cover covers the fermenting tank; a marsh gas outlet hole is arranged on the sealing cover; and the crusting resistance device comprises slag baffle plates and a gas collecting cover with a horn structure. The gas collecting cover is arranged on the inner wall of the fermenting tank, and the opening faces downwards. A gas through hole I is arranged on the gas collecting cover. The slag baffle plates are staggered and arranged on the periphery of the inner wall of the gas collecting cover, and form a certain included angle with the horizontal plane. As the gas collecting cover with the horn structure is arranged in the fermenting tank, and the slag baffle plates are staggered and arranged on the periphery of the inner wall of the gas collecting cover, and form a certain included angle with the horizontal plane, when the gas pressure in the fermenting tank is changed, the marsh gas liquid fluctuates up and down, the marsh gas slag is sheared by the slag baffle plates in a nonuniform way, is abraded and extruded by the slag baffle plates, and is prevented from further floating onto the liquid surface, and then the invention prevents the marsh gas slag from crusting on the liquid surface, and also can break the formed crust.

The invention relates to the technical field of new energy sources and discloses a biogas production device with a high biomass energy utilization rate. The biogas production device comprises a feeding hopper, wherein the bottom of the feeding hopper is fixedly connected with a crushing cylinder; the back surface of the crushing cylinder is fixedly connected with a supporting plate; two crushing motors are fixedly mounted at the top of the supporting plate; opposite sides of the two crushing motors are electrically connected with a power accumulation box. By adopting the biogas production device with the high biomass energy utilization rate, a lot of electric energy is saved and the utilization rate of the new energy sources is improved; the contact area of anaerobic fermentation materialsis enlarged and a proper reaction amount of reactants is controlled; the anaerobic reaction efficiency is improved; meanwhile, the reactants can be sufficiently and effectively mixed and the speed ofanaerobic reaction is improved; reaction temperature which is most suitable for the anaerobic reaction is provided and the decomposition of raw materials is accelerated so that the biogas productionamount is greatly improved and the energy sources are saved; meanwhile, the utilization rate of biomass energy is greatly improved and pollution to an ecological environment is effectively avoided.

The invention discloses a concentric double-pipe gas well production pipe column. The pipe column comprises a casing pipe, a small oil pipe hanger, a small oil pipe four-way joint, a large oil pipe hanger, an outer pipe column, a downhole safety valve, an inner pipe column, an annulus downhole safety valve, a double-pipe packer, a small-diameter oil pipe nipple, a small working barrel, a single-pipe packer and a large working barrel, wherein the outer pipe column is hung in the casing pipe through the large oil pipe hanger, the casing pipe is packed by the single-pipe packer, and the large working barrel is butt-jointed on the outer pipe column; the small oil pipe four-way joint is arranged on an original four-way joint at the top of the casing pipe, the inner pipe column is sleeved with the outer pipe column and hung on the small oil pipe four-way joint through the small oil pipe hanger, the outer pipe column is packed by the double-pipe packer, the small working barrel is butt-jointed on the inner pipe column, the small-diameter oil pipe nipple is fixed on the double-pipe packer, the annulus downhole safety valve is arranged at the upper end of the small-diameter oil pipe nipple, and the downhole safety valve is butt-jointed on the inner pipe column. The pipe column has the characteristics that the gas producing rate is high, well repair is not required in the later period, the operating cost is reduced, and the environmental pollution is low.

The invention discloses an ignition device of an environment-friendly and energy-saving biomass gasification furnace, which comprises a furnace body (1), an ignition opening (2), a buckle cover (3), an electric heating bar (4), an air inlet pipe (5) and a blower (6). The upper side of an ash cleaning opening on the bottom of the furnace body (1) is provided with the ignition opening (2), the buckle cover (3) is arranged on the ignition opening (2), the electric heating bar (4) is arranged in the ignition opening (2), the lower part in the furnace body (1) is provided with the air inlet pipe (5), and one end of the air inlet pipe (5) is connected with the blower (6). Because the furnace is provided with the ignition opening and the electric heating bar, the electric heating bar can be directly burned by electrification and then inserted into the ignition opening when the fire is extinguished and the furnace is restarted, the blower is started to blow for 15 minutes and then the electric heating bar is pulled out so as to conveniently ignite the fire and start the furnace; and the ignition device not only solves the problem of the pollution of initial ignition smoke, but also has quick air production speed, saves labor and time, is convenient to operate, and can meet the requirements of production and life.

The invention discloses an electric heating pure steam generator based on fuzzy PID control. The electric heating pure steam generator comprises an evaporator, a temperature sensor, a programmable logic controller (PLC), a touch screen, a power regulator, an electric heating pipe and a separator. The PLC collects the temperature from the evaporator through the temperature sensor, compares the temperature with a temperature set value, and obtains a temperature control signal through a fuzzy control operation. The touch screen can set the initial temperature and display the corresponding temperature setting, actual evaporator temperature and operation status relevant information of the electric heating pipe. The power regulator can receive a power regulation control signal sent by the PLC and regulate the heating power of the electric heating pipe. The electric heating pure steam generator in the invention has the characteristics of quick reaction control and strong adaptability, a regulation system is ensured to have good dynamic and steady state characteristics, the anti-interference performance is good and the robustness is remarkably enhanced.

The invention provides a high-molecular non-metallic energy oil pressureless container mixed fuel-electricity integrated pulsating steam equipment, including a base and an air mixing box, an oil cylinder is arranged on the base, a pulsating evaporator is arranged inside the oil cylinder, and the pulsating The evaporator includes a pulsating evaporator interlayer outer tube, a double-layer pipe valve flange connector and a porous pulsating core tube. The porous pulsating core tube is provided with porous pulsating water inlet core tube holes, and the interlayer outer tube of the pulsating evaporator is provided with The high temperature and high pressure heating tube of the pulsating evaporator, the oil cylinder is provided with a communication pipe, the other end of the communication pipe is connected to the air mixing box, the mixing box is provided with air holes, and the oil cylinder is provided with a high temperature and high pressure compressor Sports machine, the polymer non-metallic energy oil non-pressure container hybrid fuel-electricity integrated pulsating steam equipment has a reasonable structure, low energy consumption and high thermal efficiency, and is suitable for various types of steam-using units in enterprises and institutions.