322results about How to "High calorific value" patented technology

The invention relates to the field of waste resource utilization, in particular to a method for preparing biochar through co-pyrolysis of coal-based solid waste and biomass. Through co-pyrolysis of the coal-based solid waste and the biomass, the energy conversion efficiency can be effectively improved. Compared with independent pyrolysis, the interaction between the volatile components of the biomass and the semicoke of the coal in the co-pyrolysis process can promote the pyrolytic reaction, and the heat value of the pyrolysis product is increased, so that the utilization efficiency of energy is improved. According to the method disclosed by the invention, the coal-based solid waste and the biomass are subjected to co-pyrolysis, so that the environmental pollution caused by independently treating the waste is reduced. In the co-pyrolysis process, volatile components of the biomass can catalyze pyrolysis of coal, formation of coke is reduced, meanwhile, emission of pollutants such as CO2, SOx and NOx is reduced, release of chemical components is reduced, and environment friendliness is achieved.

The invention belongs to the field of automobile engine energy saving, and particularly relates to an engine energy saving device and method for producing hydrogen through ultrasonic water mist and mineral particles, the device comprises a special water storage tank, an ultrasonic water mist generator and micro hydrogen production mineral particles, and the special water storage tank is divided into an ultrasonic water mist generation chamber and a mineral particle hydrogen production chamber through a permeation partition plate; the ultrasonic water mist generator is placed at the position 3 mm-5 mm below the liquid level of the ultrasonic water mist generating chamber, and water is atomized through external power supply. Micro-hydrogen production mineral particles are placed at the bottom of the mineral particle hydrogen production chamber and react with water to generate hydrogen, part of hydrogen is dissolved in water, and part of hydrogen is stored in the gas storage chamber above the liquid level. An air outlet is formed in the top of the special water storage tank and connected with an engine air inlet pipe, water mist and hydrogen enter an air cylinder along with engine suction to participate in acting, and therefore the redundant fuel injection amount is eliminated, and heat transfer loss in the cylinder is reduced. The heat efficiency of the automobile engine is improved, knocking is restrained, the incomplete combustion phenomenon is reduced, and then fuel consumption and harmful gas emission are reduced.

The invention discloses a zero-carbon glass kiln process. A system required by the process comprises a photovoltaic power generation device, an air separation device, a water electrolysis hydrogen production device, a mixer, a methanation device, a waste heat boiler I, a reforming device, a glass kiln, a waste heat boiler II and a dust removal and desulfurization device. Green oxygen, green nitrogen and green hydrogen are produced through green electricity driving; the flue gas of the glass kiln is cyclically enriched into high-concentration carbon dioxide (95.0 v% or above), the high-concentration carbon dioxide and green hydrogen are subjected to a methanation reaction to produce methane, and the methane, the carbon dioxide and water vapor are subjected to a reforming reaction to produce carbon monoxide and hydrogen; carbon monoxide and hydrogen are used as fuel of the glass kiln, green oxygen and carbon dioxide are mixed to form carbon-based oxygen-enriched combustion which is used as a combustion improver of the glass kiln, carbon-based oxygen-enriched combustion of the glass kiln is carried out, and redundant carbon dioxide is sold. According to the invention, the purposes of greenness, energy conservation, almost no nitrogen oxide and zero carbon are realized.

The utility model discloses a boiler make-up water heating system based on waste heat utilization of tail gas of a sludge incineration boiler, belongs to the technical field of waste heat recovery, and solves the problem that heat in flue gas is recycled to heat boiler make-up water so as to realize repeated recycling of resources. Comprising a boiler air duct, and a lower mounting frame communicating with the interior of the boiler air duct is fixedly connected to the peripheral wall of the boiler air duct. According to the system, the tail gas of the sludge incineration boiler can be guided to pass through the air pre-heater and the low-temperature coal economizer through the boiler air duct, so that heat in the tail gas of the sludge incineration boiler is recycled, and meanwhile, the flue gas amount of the tail gas of the sludge incineration boiler is large; the low-temperature liquid output from the slag cooler can be heated to the temperature capable of being used in a steam turbine, the actions of outputting the heated liquid and inputting the low-temperature liquid can be autonomously performed according to the change of the temperature, huge heat in tail gas of a sludge incineration boiler is fully utilized, and the resource utilization rate is increased.

The invention discloses a method for increasing the gas calorific value of converter flue gas, and belongs to the technical field of converter smelting, a converter and a flue gas pipeline correspondingly arranged at an opening of the converter are included, the flue gas pipeline is connected with a primary dust removal fan, and an air volume control device for controlling the air inlet volume of a throat part is arranged at the connecting throat part of the flue gas pipeline and a dust collection cover; the primary dust removal fan and the air volume control device are interlocked with a PLC (Programmable Logic Controller) control mechanism of the converter; according to different smelting stages of the converter, a PLC control mechanism is used for controlling a high-voltage frequency converter of a primary dust removal fan in an interlocking manner to carry out multi-stage frequency conversion speed regulation; the air volume control device is correspondingly adjusted according to the frequency conversion speed regulation level of the primary dust removal fan to control the throat opening degree of the flue gas pipeline, and then the CO concentration content of the converter flue gas and the coal gas flow speed are controlled. The primary dust removal fan of the flue gas pipeline is subjected to multi-stage speed regulation, so that the equipment consumption is reduced; and the throat opening degree of the flue gas pipeline is regulated and controlled according to air quantity changes at different rotating speeds, so that the gas recoverable range duration is prolonged, and the calorific value and quantity of the gas are further improved.

The utility model discloses a biogas pretreatment device for a biogas generator set, which comprises a bottom plate, a desulfurization tank is arranged on one side above the bottom plate, a gas inlet is arranged on one side of the desulfurization tank, a gas outlet is arranged on the other side of the desulfurization tank, a water outlet is arranged below the desulfurization tank, and a gas outlet is arranged on the other side of the desulfurization tank. A fixing ring is mounted on the inner side of the desulfurization tank, and a baffle plate is fixed below the fixing ring; according to the biogas pretreatment device for the biogas generator set, through the arrangement of the fixing ring, the baffle plate, the connecting plate, the first bolt and the spraying frame, the baffle plate is mounted above the spraying frame through the first bolt in the using process of the device, gas generated after the reaction of biogas and a sodium hydroxide solution impacts the baffle plate when passing through the baffle plate, and the gas is prevented from flowing into the spraying frame; water drops in the gas are left on the baffle plate, moisture in the gas is removed, the moisture is prevented from damaging the biogas pretreatment device and the biogas engine unit, and the heat value and the combustion efficiency of the biogas can be improved through dehydration.

The invention relates to an energy-saving method for flue gas waste heat recovery and automatic adjustment and use of a garbage power plant, which solves the technical problems of low garbage incineration efficiency and serious heat waste of the existing garbage incineration power plant, and comprises the following specific steps: step 1, mounting a flue gas heat exchanger at the middle section from an outlet of an induced draft fan to a chimney for gas-water heat exchange; heat medium water is generated through gas-water heat exchange of the flue gas heat exchanger; 2, the heating medium water is directly connected with an air heating system to circularly convey a heat source, and the air heating system conducts air-water heat exchange with sucked air through the heating medium water; and 3, the exchanged hot air is provided as a heat source in front of a primary air fan according to actual needs, the primary air temperature is increased, or the exchanged hot air is converted to an air circulation fan, and the hot air is provided for the low-temperature garbage bin, the garbage temperature is increased, and garbage fermentation is facilitated through a pipeline arranged inside or outside the garbage bin. The device can be widely applied to waste incineration occasions of waste incineration power plants.

The present invention belongs to the technical field of iron ore sintering, and specifically relates to an iron ore sintering method that can simultaneously improve the reducibility of sintered ore and reduce nitrogen oxide emissions. The method includes batching, primary mixing, secondary mixing, distribution, ignition, and sintering steps, wherein low-carbon alcohol is added in the secondary mixing step. The inventor has found through research that adding an appropriate amount of low-carbon alcohol to the secondary mixing can adjust the sintering temperature of the sintering process and extend the sintering time, which can not only improve the reducibility of the sintered ore, but also significantly reduce the emission of nitrogen oxides. Specifically, the ferrous oxide content in the sintered ore can be reduced from 11% to 9.6% compared with the blank test, and the reducibility of the sintered ore is significantly improved; at the same time, compared with the blank test, the total concentrations of nitrogen monoxide and nitrogen oxides in the sintering flue gas are reduced.

The present application belongs to the field of smelting coal gas recovery, and particularly relates to an optimized control method and system for combustible gas recovery. The method divides the smelting process into N measurement time periods, and calculates the average secondary combustion coefficient of each time period in real time. Meanwhile, M target smelting time zones and their weights are set, and a dynamic target value sequence is established. Based on the initial fan speed, the measured coefficient is adjusted through multiple iterations of the furnace, and when the measured coefficient is greater than the target value, the speed is reduced in steps, and a thermal imager and a differential pressure instrument are introduced to monitor the smoke emission. A smoke emission rate statistics and tolerance threshold judgment mechanism is established to trigger speed backtracking adjustment, and finally the average secondary combustion coefficient of each time period is minimized to generate an optimal fan speed model. The present application maximizes the improvement of the calorific value of coal gas and the recovery of carbon monoxide under the premise of preventing smoke from the furnace mouth.

The air fryer comprises a machine shell and a reflecting cover, the reflecting cover divides the inner space of the machine shell into a heating cavity and a heat dissipation cavity, a hot air fan and a heating piece are arranged in the heating cavity, a motor for driving the hot air fan and a heat dissipation fan connected with the motor are arranged in the heat dissipation cavity, and an air inlet communicated with the heat dissipation cavity is formed in the machine shell. An air guide cover and a plurality of air guide ribs located on the periphery of the air guide cover are further arranged in the heat dissipation cavity, the air guide cover is provided with an air guide inlet and an air guide outlet communicated with the outside atmosphere, the heat dissipation fan is arranged in the air guide cover, a heat dissipation air channel is formed between every two adjacent air guide ribs in the multiple air guide ribs, and the heat dissipation air channels are communicated with the air inlet and the air guide inlet. Air flow extracted by the rotating cooling fan through the air inlet sequentially flows through the cooling air channels and the air guide cover and then is exhausted through the air guide outlet. According to the air fryer, the airflow short circuit phenomenon is effectively reduced, the problem of high temperature of a local area is solved, the heat dissipation effect is improved, and the machine surface temperature is reduced.

The invention discloses a two-stage process for preparing powdery quality-improving fuel through biomass baking, which comprises the following steps: S1, a drying procedure: carrying out coarse crushing on biomass to form biomass particles, and screening and drying the biomass particles; s2, a low-temperature baking and powdering process: baking the dried biomass particles, and performing multi-stage fine crushing and grinding on the biomass particles in the baking process to form biomass powder; and S3, cyclic utilization of the baking gas: circularly inputting one part of the baking gas generated in the biomass particle baking process in the step S2 into the step S2 to provide heat for the baking process, and returning the other part of the baking gas to the step 1 to provide heat for the drying process. According to the technology for preparing the powdery upgrading fuel through two-section type biomass baking, powder preparation is completed while baking is conducted through the stirring unit, the baking powder preparation time is greatly saved, and compared with three-section type baking powder preparation, the production efficiency is greatly improved, and the baking efficiency is greatly improved.

The invention discloses a Joule thermal shock automation device and a Joule thermal shock method. The Joule thermal shock automation device comprises a first station, a second station, a third station, a fourth station, a fifth station and a sixth station which are arranged in sequence. The manipulator, the graphite sintering table, the conveyor belt and the power supply are combined for heating, so that automatic batch production of materials is realized.

The utility model relates to a semi-coke tail gas treatment system which comprises a purifier, a fan, a preheater, a reactor, a heat exchanger and a gas-liquid separator which are sequentially arranged in the flowing direction of semi-coke tail gas, the purifier is used for removing impurities influencing the activity of an oxygen carrier in the semi-coke tail gas, and the fan is used for pressurizing the purified semi-coke tail gas and then feeding the pressurized semi-coke tail gas into the preheater for heating; a pipeline between the preheater and the fan is communicated with a nitrogen pipeline and a water vapor pipeline, and the reactor is used for accommodating iron oxide, so that semi-coke tail gas heated by the preheater enters the reactor and then reacts with the iron oxide to generate ferrous oxide; the nitrogen pipeline is used for guiding nitrogen to sequentially purge the preheater, the reactor, the heat exchanger and the gas-liquid separator after the reaction of the semi-coke tail gas and iron oxide, and the water vapor pipeline is used for guiding water vapor to enter the reactor and react with ferrous oxide to generate hydrogen after nitrogen purging; the technical problems that methane and carbon monoxide in semi-coke tail gas cannot be utilized, and the heat value of the semi-coke tail gas is low are solved.

The invention belongs to the technical field of fluid magnetization, and particularly relates to a fluid magnetization treatment method and system.The fluid magnetization treatment system comprises a controller and a processor, the processor comprises a shell, two connectors are installed on one side of the shell, an adapter is installed on the other side of the shell, a coil bin is formed in the inner wall of the shell, and a coil is arranged in the coil bin; the coil is electrically connected with a controller through an adapter, a U-shaped oil way pipe is installed in the shell, and fuel flows in the oil way pipe. Fuel oil is magnetized through an alternating magnetic field, fuel oil molecules are attracted to vibrate along with alternating of the magnetic field, the internal energy of the fuel oil molecules is improved, the fuel oil molecules are in a quasi-excitation state, and therefore the combustion efficiency and the combustion degree of the fuel oil are improved, meanwhile, the distance between the fuel oil molecules in high-frequency vibration is increased, atomization is more sufficient during atomization, combustion is facilitated, and the fuel oil is more environmentally friendly. And the combustion efficiency of the fuel is further improved.

The invention provides a multistage resourceful treatment method for kitchen waste, which comprises the following steps: performing primary solid-liquid separation on the kitchen waste to obtain a first solid phase and leachate discharged from the bottom; inorganic heavy components and iron metal impurities are separated and removed from the first solid phase, and organic solid phase components are reserved; crushing the organic solid-phase component, pulping together with subnatant obtained by standing and layering the leachate, separating light fine slag, removing heavy slag such as inorganic sand and the like to obtain slurry, mixing the slurry with supernate of the leachate, and performing three-phase separation quality-divided treatment and multi-stage resource utilization; wherein the organic solid-phase components comprise fruit and vegetable long fibers, tissues, wooden chopsticks and plastics, and the inorganic heavy components comprise stones, glass and ceramics. According to the multi-stage resourceful treatment method for the kitchen waste, the residue rate is low, the quality of a biochar product is easy to control, the calorific value of biochar is high, and due to multi-stage resourceful utilization, the resource utilization degree is improved, and the wastewater treatment cost is reduced.

The invention provides an incineration system and method for coal gasification slag, and belongs to the field of solid waste treatment.The system comprises a stock bin, a drying and granulating device, a screening device, combustion equipment, an air pre-heater and a tail gas treatment device; the gasification fine slag and the gasification coarse slag are mixed through the stock bin, and a mixed material is obtained; the drying and granulating device is used for drying and granulating the mixed material; the screening device screens the dried and granulated materials to obtain a first screened material with the particle size larger than a preset particle size value and a second screened material with the particle size not larger than the preset particle size value, the first screened material is conveyed to combustion equipment to be incinerated, and the second screened material is conveyed to a stock bin; the air pre-heater is used for recovering heat of flue gas discharged by the combustion equipment and conveying the treated flue gas to the tail gas treatment device; and the tail gas treatment device performs waste gas purification treatment on the flue gas. By applying the system, the calorific value of the coal gasification slag material can be increased, the particle size of material particles is increased, and stable combustion of the material is promoted.

The variable speed driving system of the hybrid power vehicle is mainly characterized in that a speed change device is not installed behind an engine, and power is directly transmitted to a drive axle through a transmission shaft, or when the engine is transversely arranged on the drive axle, the power is transmitted through a tooth-shaped chain, so that the power of the engine can be transmitted to wheels only through one-stage gear speed reduction, and the power transmission efficiency is improved. The highest transmission efficiency is achieved, the torque borne by a transmission system is reduced, and the weight and cost are reduced; medium-speed and low-speed driving of the vehicle is mainly completed by a speed change device and a motor on a drive axle; the invention relates to an engine retroverted multi-output-end planetary gear set speed change device and a drive axle speed change device, so that a variable speed driving system is more energy-saving, and the cost is reduced.

The invention discloses a waste plastic resource recycling treatment method which comprises the following steps: (1) crushing waste plastic into small particles, placing the small particles in a conductive material filling container, and enabling the waste plastic particles to be fully and uniformly contacted with the surface of the conductive material filling container; and (2) connecting the two ends of the conductive material filling container with a power supply electrode, and applying pulse current to the conductive material filling container in the reaction cavity under the protection of inert atmosphere, so that the waste plastics are heated and thermally cracked, and a combustible gas product is obtained. According to the resource recycling treatment method for the waste plastics, rapid cracking of the waste plastics can be achieved, and high-value combustible gas is obtained.

The invention discloses a modified methanol fuel for civilian use and a preparation method thereof, comprising the following raw materials in parts by weight: 80-95 parts of methanol, 1-5 parts of modifiers, and 1-20 parts of calorific value agents; wherein the improver comprises the following raw materials in parts by weight: 25-45 parts of n-butanol, 25-45 parts of ethylene glycol, 20-30 parts of methyl oleate, 20-35 parts of dimethoxymethane, 1-8 parts of cyclohexylamine, 0.1-1 parts of NPE‑9, and 0.01-1 parts of toluene triazole; the calorific value agent comprises the following raw materials in parts by weight: 25-50 parts of 1# paint and solvent oil for cleaning, 20-45 parts of naphtha, and 30-60 parts of kerosene. The present invention modifies methanol, solves the problem of low calorific value when industrial methanol is used as fuel, and at the same time, greatly alleviates its corrosion to burners and pipeline systems, making the modified methanol fuel more stable, and no stratification phenomenon will occur when stored for a long time. The preparation method adopted by the invention is easy to operate, has a simple process flow, has low requirements on equipment, is easy to control product quality, and is suitable for large-scale industrial production.

The device comprises a methanol tail gas pipeline, a nitrogen circulating pipeline, a main heat exchanger, an LNG rectifying tower, a CO rectifying tower, a gas-liquid separation module, an H2-rich waste gas pipeline, a CO-rich waste gas outlet pipeline, an LNG product pipeline and a CO product pipeline, the methanol tail gas pipeline passes through a heat release pipeline of the main heat exchanger and then is connected with the gas-liquid separation module; the gas-liquid separation module is respectively connected with the LNG rectifying tower, the H2-rich waste gas pipeline and the CO-rich waste gas outlet pipeline; the LNG rectifying tower is respectively connected with the nitrogen circulating pipeline, the CO-rich waste gas outlet pipeline and the LNG product pipeline; the CO rectifying tower is respectively connected with the nitrogen circulating pipeline and the CO product pipeline; and the LNG rectifying tower and the CO rectifying tower are connected through a gas pipeline and a return pipeline. The utility model aims to solve the technical problems in the prior art, and provides a device and a method for purifying LNG (Liquefied Natural Gas) and CO (Carbon Oxide) from methanol tail gas by a cryogenic method, which can realize the purification and recovery of LNG and CO.

The invention provides fuel coal water slurry and a preparation method thereof. The fuel coal water slurry comprises pulverized coal, water, an additive and a carbon-based nano material modifier, the additive comprises a dispersant and a stabilizer, the carbon-based nano material modifier has a tubular structure or a layered structure, and the average pipe diameter or interlayer spacing of the carbon-based nano material modifier is smaller than the average pore diameter of the pulverized coal. Compared with fuel coal water slurry not containing the carbon-based nano material modifier, the coal water slurry can reduce the combustion temperature, inhibit mineral substance pyrolysis and generation of nitrogen oxides and carbon monoxide, thereby reducing the heat loss of coal combustion. The carbon-based nano-material modifier has a tubular structure or a layered structure, and compared with other ranges, the average pipe diameter or interlayer spacing of the carbon-based nano-material modifier is limited to be smaller than the average pore diameter of the pulverized coal, so that water can leave a coal particle pore structure and enter the carbon-based nano-material modifier, the volatilization temperature of the water in the combustion process is reduced, and the combustion efficiency is improved. Therefore, the calorific value of the fuel coal water slurry is improved.

The invention belongs to a cement kiln oxygen-enriched combustion coupling combustible gas denitration system in the technical field of energy conservation and carbon reduction of industrial kilns. The invention further relates to a control method of the cement kiln oxygen-enriched combustion coupling combustible gas denitration system. A gas outlet of the gasification furnace (1) is communicated with an inlet of the cyclone separator (4), and an oxygen supply pipeline (5) is arranged on the conveying pipeline (2); a cyclone separator (4) is arranged below the preheater (6), and a discharge port of the preheater (6) is communicated with a feed port of the cyclone separator (4); or a calcium-based waste feeding component (7) is arranged above the cyclone separator (4), and the calcium-based waste feeding component (7) is communicated with the cyclone separator (4). According to the system and method for coupling oxygen-enriched combustion with combustible gas denitration of the cement kiln, fly ash carried by the combustible gas can be separated, and chloride ions in the combustible gas can be adsorbed and separated; meanwhile, oxygen-enriched combustion in the rotary kiln is achieved, the combustion efficiency of the rotary kiln is improved, and the calcining capacity in the rotary kiln is improved.

The invention provides a yellow rod feeding system of a biomass ash rod furnace, and mainly relates to the field of feeding systems. A yellow rod feeding system of a biomass ash rod furnace comprises a main conveying line, a mounting frame is arranged above the downstream of the main conveying line, at least two compression boxes are arranged on the mounting frame, compression cavities are formed in the tops of the compression boxes, conical cavities are formed in the bottoms of the compression cavities, compression assemblies are arranged on the two sides in the compression cavities, and the sides, facing each other, of the compression assemblies are arc faces. A compression power unit is arranged between the compression assembly and the compression cavity, a power frame is arranged above the compression box, a spiral feeding shaft is rotationally arranged on the power frame, a conical feeding piece matched with the conical cavity is arranged at the bottom of the spiral feeding shaft, a linear feeding mechanism is arranged on the adjusting frame, an auxiliary conveying line is arranged above the feeding conveying belt, and a receiving bin is arranged below the mounting frame. A leading-out conveying belt is arranged at the bottom of the receiving bin. The fuel boiler has the beneficial effects that uniform proportioning and constant-speed conveying of yellow-stem fuel and grey-stem fuel are achieved, and the temperature uniformity of the fuel boiler is guaranteed.

The present invention discloses a device and method for denitrifying and recovering ethane from natural gas by using a mixed refrigerant, which solves the technical problems in the prior art that when the nitrogen content in natural gas is high, the calorific value of its combustion will be affected, the energy consumption in the gathering and transportation process will be high, and the natural gas cannot be directly used as a raw material for certain chemical products and a vehicle fuel. The device comprises a main heat exchanger (1) and a low-temperature separator (2) which are connected in sequence through a cold-insulating pipeline; the top and bottom of the low-temperature separator (2) are respectively provided with a gas phase outlet and a liquid phase outlet, and the gas phase outlet and the liquid phase outlet of the low-temperature separator (2) are respectively connected to a gas phase processing line and a liquid phase processing line. The present invention provides a device and method for denitrifying and recovering ethane from natural gas by using a mixed refrigerant, which has the advantages of simple system operation, high system operation flexibility, adaptability to different load conditions, low energy consumption, reasonable investment, and can not only improve the calorific value of natural gas, but also recover liquid ethane and liquefied petroleum gas, and has great economic benefits.

The invention provides a method for increasing the calorific value of converter gas. The method comprises the following steps: S1) setting the distance between a movable smoke hood of a converter and a furnace mouth to be 50-100 mm from the lower limit; in the smelting process of the converter, after addition of scrap steel and molten iron is finished, an oxygen lance descends to start oxygen ignition for 20-30 s, then a movable smoke hood of the converter is adjusted to the lower limit, and the included angle of the oxygen lance ranges from 13 degrees to 15 degrees; (S2) in the oxygen supply blowing process of the converter, after ignition is normal, the oxygen pressure is adjusted to 0.80-0.95 MPa; the rotating speed of the dust removal fan is controlled by stages to ensure that the furnace mouth is at micro-positive pressure; s3, after converter smelting is completed, the hot slag is reserved in the converter, and lime is added in batches according to the slag remaining amount and the silicon content of molten iron. By adopting the measures in the converter process, the amount of CO2 generated by combustion of CO in converter gas is reduced, and the calorific value of the gas is increased.

The invention discloses a two-stage gas producer and a coal gasification method, the gas producer comprises: a gas producer provided with a feed inlet, an upper-stage gas outlet, a lower-stage gas outlet, a second gasifying agent inlet, and a first gasifying agent inlet; the fire grate is arranged in the gas producer and is positioned below the second gasifying agent inlet; and a phenol water vapor outlet of the phenol water vapor stripping tower, which is communicated with the first gasifying agent inlet and the second gasifying agent inlet, is formed in the phenol water vapor stripping tower. The heat of the lower section coal gas is respectively used for heating phenol water in the reboiler and superheated steam in the superheater, the sensible heat of the lower section coal gas is recovered, the temperature of the lower section coal gas is reduced, the heat efficiency is high, meanwhile, the phenol water obtained after purification treatment of the upper section coal gas is recycled, and the resource utilization rate is improved.

The utility model provides an anaerobic fermentation gas collection and purification integrated device, including base, the right side fixed mounting of base top has small -size air compressor, the top of base and located small -size air compressor's left side is provided with purification mechanism, and the purification mechanism includes two jar bodies fixed installation in base top and the sealing cover screw connection in jar body top, the inboard of jar body of sealing cover bottom left side of base top and located is provided with first containing bucket. Through the setting of small -size air compressor is used for the gas after the purification of purification mechanism to compress collection, is convenient for subsequent centralized discharge to realize subsequent use, through the setting of purification mechanism is used for the methane and carbon dioxide of the inside generation of anaerobic fermentation equipment to collect, dries to it and eliminates the carbon dioxide containing in the inside simultaneously, eliminates the peculiar smell in the gas simultaneously, satisfies the use of subsequent time while increasing the methane purity and then increases the calorific value when subsequent combustion.

The invention discloses a side-suction oxygen-free medium-temperature pyrolysis furnace, comprising a pyrolysis furnace, a grate is arranged in the pyrolysis furnace, a feed port is arranged at the pyrolysis furnace above the grate, a closed feeder is arranged at the feed port, a discharge port is arranged at the pyrolysis furnace below the grate, a closed discharger is arranged at the discharge port, and an oxygen-free medium-temperature gas source mechanism is arranged outside the pyrolysis furnace and supplies flue gas to the pyrolysis furnace, the oxygen-free medium-temperature gas source mechanism comprises a burner, the inlet of the burner is connected to an input pipeline for supplying gas to the burner, the outlet of the burner is connected to a flue gas output pipeline, the flue gas delivery pipeline is introduced into the pyrolysis furnace and is located below the grate; the pyrolysis furnace is provided with a combustible gas collection mechanism at the side wall located above the grate, forming a side-suction structure. The invention effectively ensures that the biomass in the pyrolysis furnace is at the optimal precipitation temperature for separating out combustible gas, and at the same time avoids the risk of explosion caused by the formation of gas pockets of combustible gas in the pyrolysis furnace.

The utility model relates to the technical field of screening devices, in particular to a granulator convenient for discharging and screening. According to the technical scheme, the granulator comprises a box body and a first screening device body, a granulator body is fixed to the top end in the box body, first clamping openings are formed in the two sides of the middle in the box body, the first screening device body is connected to the interiors of the first clamping openings through first buffers, and a screening plate is arranged in the first screening device body; and sieve holes penetrate through the middle of the sieve plate. According to the utility model, the granulator body and the screening device are arranged in the box body together to form an up-and-down structure, so that coherence is realized during use, the occupied space is also reduced, the granules in the granulator can be screened by the screening devices with two pore sizes after being granulated, and the two screening devices can be used for screening out the granules larger than or smaller than the required size; therefore, the size of the screened particles can be ensured to be correct, the quality and heat value of the biomass particles are improved, and the biomass particles are more suitable for being used as fuel.

The invention relates to the field of garbage bin drainage, and provides garbage bin drainage grilles and application, the garbage bin drainage grilles comprise a screen, connecting bamboo blocks, bamboo strips, first grilles, second grilles and third grilles, multiple groups of grilles are installed at the front end of the screen, four rows of grilles are laid on the first layer, three rows of grilles are laid on the second layer, and two rows of grilles are laid on the third layer; in the laying process, flatness needs to be kept, joints on the same layer need to be staggered, joints on different layers need to be pressed, splicing and building are tight, the water level in the garbage bin is effectively reduced, the heat value of garbage entering a furnace is increased, the garbage water content is reduced, and after normal dumping work of leachate in the garbage bin is stable, full-time maintainers can be effectively prevented from entering a leachate gallery to conduct water grate cleaning work; high-frequency limited space operation is fundamentally eradicated, and the operation safety risk is greatly reduced.