35results about How to "Reduce harmful gases" patented technology

The invention relates to an emission reduction dry-type culture method for producing nonreactive pork. The method uses pig feeds, which contain feedstuff additive premix, and active water agent to feed the pigs. An organic adhesive layer is laid inside a pig shed. The active water agent contains natural plant extract and bacillus subtilis, and is drunk by the pigs through a leak protection and filtering water device arranged inside the pig shed. The feedstuff additive premix contains NSP enzyme, micro-ecological agent, plant extract and acidifier. The method can prevent the pigs from having intestinal bacteria and viral diseases and respiratory diseases, and reduce the discharge of fecaluria and living water, harmful gas produced by pig fecaluria and stench, and through which prevents the breeding of flies. At the same time of producing nonreactive port, the method can reduce the pollution caused by excreta.

The invention discloses a formula of an aluminum-strontium intermediate alloy ingot and further discloses a production process thereof. The formula of the aluminum-strontium intermediate alloy ingot is that electrolytic aluminum: metal strontium is equal to 1: 24-0.28. The production process of the aluminum-strontium intermediate alloy ingot comprises the following steps of smelting, melt purification, nitrogen protection, electromagnetic stirring alloying, refining, standing, casting and inspection. The invention improves the content of effective elements in aluminum-strontium alloy, reduces harmful gas in alloy liquid and solves the defects of poor liquidity, volume expansion, generation of segregation precipitate and so on in the alloy liquid. The strontium content is higher than that of the traditional AlSr10 alloy by about 10 percent. Compared with the traditional AlSr10 leavening agent, the using amount is reduced by about 50 percent. The reduction of the adding amount of the aluminum-strontium intermediate alloy ingot leads impurities and gas which are brought into aluminum liquid by the alloy to be reduced by about 50 percent, thereby improving the product quality.

The invention relates to a glass fiber kiln pure oxygen combustion system and a control method thereof. The system is applied to a glass fiber kiln combustion device and comprises a natural gas pipeline, an oxygen pipeline, a combustor and a glass fiber kiln, the natural gas pipeline and the oxygen pipeline are connected to the combustor, and the combustor is connected to the glass fiber kiln. The system is characterized by further comprising an electric natural gas regulating valve, a natural gas flowmeter, an electric oxygen regulating valve, an oxygen flowmeter, a thermocouple and a main controller. The control method comprises the steps of constant flow control, constant temperature control and ratio control. According to the glass fiber kiln pure oxygen combustion system and the control method thereof, the working efficiency is improved, the working intensity is lowered, the glass solute temperature is increased to accelerate glass melting, the heat efficiency is improved, and erosion on a refractory material is slowed down; heat brought by exhaust gas, harmful gas and dust are greatly reduced, glass foam dust can be reduced through in-time regulation, and then the glass fiber quality is improved.

The invention relates to an unpowered roof rainwater collection and greening irrigation device. The device comprises unpowered rainwater collection components, each unpowered rainwater collection component comprises a large floating ball, a small floating ball and a connecting rod, the large floating ball which is arranged over the small floating ball is connected with the small floating ball through the connecting rod, each unpowered rainwater collection component is arranged in the middle of a rainwater pipe, a water storage tank is connected with the rainwater pipe through a water guide pipe, and the unpowered rainwater collection component is connected with the water storage tank through the water guide pipe. The unpowered roof rainwater collection and greening irrigation device is simple and novel in structure, easy to operate and convenient and flexible to use, and can realize automatic rainwater collection and unpowered irrigation; urban ecological environment can be improved, spatial structure layers of urban landscaping and urban stereo landscape art effect are enriched, city green quantity is further increased beneficially, heat island effect is reduced, and the device has functions of heat insulation, energy conservation, rainwater retention, relief of pressure on urban flood control and water discharge.

The invention discloses filtering equipment for strong-acid and strong-alkali waste gas. The filtering equipment for strong-acid and strong-alkali waste gas comprises a cylindrical cylinder body; andthe cylinder body comprises an upper gas discharging chamber, a middle filtering chamber and a lower gas collecting chamber. The key points are as follows: the filtering efficiency of high-acidity orhigh-alkalinity gas is improved, harmful gas in the waste gas is reduced, the weight of the air is increased, smoke dust in the waste gas is removed, and the waste gas components which are difficult to remove by acid and alkali are removed efficiently and rapidly; and different from other acid and alkali waste gas filtering devices, the equipment can improve the use efficiency of a reagent for neutralizing acid and alkali gas, and saves use of the reagent and reduces cost while not influencing the purification effect.

The invention relates to the technical field of winter jujube preservation, in particular to a winter jujube preservative storage method which comprises the following steps: (1) washing fresh winter jujube; (2) soaking the winter jujube in a chitin solution; (3) performing sterilization and disinfection on the treated winter jujube with ozone, spraying a coconut oil emulsion to the surface of the winter jujube, naturally drying in air, putting the winter jujube into a preservative film filled with a mixed filling material of cellulose and polyvinyl alcohol, and sealing the opening of a preservative bag; (4) storing the sealed preservative bag in a storage warehouse. The winter jujube preserved by using the method is not easily dehydrated, the fruit is fresh and sweet as before, harmful gasses in a storage environment are reduced after sterilization and disinfection with ozone, and thus a relatively good preservation effect is achieved; the chitin and the coconut oil can form a protection membrane on the surface of the peel of the winter jujube, so that on one hand, sterilization is achieved, on the other hand, loss of moisture of the winter jujube is inhibited, after-ripening of the winter jujube is inhibited, and the hardness is maintained.

The present invention relates to an apple preservation and storage method. The method comprises the following steps: fresh apple selecting, soaking and cleaning, disinfecting and sterilizing, and sealing and storing. The apples stored and preserved by the method are not easy to dehydrate, the fruits are fresh and sweet as ever, and even the fruit stems are also kept to be green; after the apples are ozone disinfected and sterilized, harmful gases in the storage environment are reduced, so that the freshness retaining effects are better. The apples are stored in a high humidity environment, water evaporation is greatly reduced, natural wear and tear are reduced, and the fruits are kept to be fresh and full; and after the apples are pickled, the apples are soaked with chlorine calcium, which can better prevent physiological diseases of the apples during the storage, inhibit apple after-ripening, and keep hardness.

The invention provides a stainless steel material for doors and windows. The material is prepared from a Fe element and modified chemical element impurities. The following modified chemical elements in percentage by mass are included: 0.05 to 0.11 percent of C, 0.5 to 1 percent of Mn, 0.21 to 0.24 percent of Si, 0.006 to 0.008 percent of P, 0.002 to 0.004 percent of S, 0.093 to 0.095 percent of Nb, 0.06 to 0.08 percent of V, 2.8 to 3.1 percent of Ti, 1.5 to 1.7 percent of Al, 0.001 to 0.006 percent of N, 0.0001 to 0.0002 percent of H, 0.05 to 0.07 percent of Cu, 7.4 to 15.2 percent of Cr, 8.1 to 11.3 percent of Ni, 0.23 to 0.25 percent of Mo, 0.21 to 0.23 percent of La, 0.04 to 0.08 percent of Sr, 0.05 to 0.1 percent of Th, 0.02 to 0.03 percent of Be, 0.05 to 0.08 percent of Zr, 0.0015 to 0.002 percent of B, and 0.06 to 0.09 percent of Re. According to the stainless steel material for doors and windows provided by the invention, the element contents in stainless steel are reasonably controlled, so that the obtained stainless steel is anti-corrosion and anti-erosion; and the rare earth element lanthanum is added, so that the high-strength anti-corrosion stainless steel for metal doors and windows are successfully obtained and has better transverse yield strength and high-ductility, the transverse tensile strength is larger than or equal to 450MPa, the transverse yield strength is larger than or equal to 240MPa, the transverse extension rate is larger than or equal to 30 percent, and the thickness-direction area reduction percentage is larger than or equal to 55 percent.

The invention relates to the field of energy conservation and emission reduction devices, and provides an activation catalyst for energy conservation, an automobile economizer containing the catalystand an installation method of the automobile economizer. The catalyst comprises a nano composite negative ion far-infrared material and a carrier. By means of the catalyst, the molecular activity of fuel molecules and oxygen molecules can be improved at the same time, the combustion environment is improved, and the combustion heat value of fuel is improved, so that the power of an engine during combustion of equal amount of fuel is higher, therefore the energy-saving effect is achieved, and the safety performance of an automobile and the service life of the engine are not affected. Besides, the power of the engine is improved by the activation catalyst for the automobile economizer, the energy-saving effect is achieved, and harmful gas in tail gas is also reduced. Meanwhile, oxidation is carried out in the exhausted gas, the harmful gas is decomposed, and the catalyst in the tail gas in a silencer is activated. According to the installation method, the energy-saving and emission-reducing effects of the engine at different rotating speeds can be taken into consideration, so that the optimal energy-saving and emission-reducing effects are achieved in general.

The invention relates to a sewage and sludge joint treatment system, which comprises a loading hopper, a heat exchange device, a feeder, a granulator, a fume guide pipe, an incineration boiler and a reaction tower, wherein the loading hopper is connected to the heat exchange device; the heat exchange device is communicated with the granulator through the feeder; the granulator is connected with the incineration boiler; the top of the incineration boiler is respectively communicated with the heat exchange device and the feeder through a first gas guide pipe and a second gas guide pipe; the heat exchange device and the feeder are respectively converged through a third gas guide pipe and a fourth gas guide pipe and then communicated with the bottom of the reaction tower; and the top of the reaction tower is communicated with a sewage pipe. By adoption of the sewage and sludge joint treatment system, the cost of sewage treatment can be reduced, sludge to be incinerated is pre-heated by using high-temperature fume which is generated through sludge incineration, the sludge to be incinerated can be incinerated, and the cost of a sludge drying process is reduced.

The invention discloses a cutting breeding method of a novel variety of a plant Bigui vine. A cutting matrix at the early stage of the cutting is a mixture of disinfected clean fine sand and little peat soil; a cutting matrix at the later stage of the cutting is a mixture of soil and little peat soil; the cutting time at the early stage is 20 to 23 days, and the cutting time at the later stage is25 to 30 days; in the cutting matrix at the early stage of the cutting, a rooting fertilizer solution is applied once every 5 to 7 days; a composite fertilizer solution is applied once every 10 to 15days at the later stage of the cutting, wherein the rooting fertilizer solution is prepared from the following components by weight percent: 0.1 to 0.15 percent of ABT rooting powder, 0.1 to 0.2 thousandth of stigmasterol, 1 to 3 percent of iron disodium ethylenediamine tetraacetic acid, 0.5 to 1.5 percent of beta-glucose and the balance of water; and the single-time application quantity of the rooting fertilizer solution is 3 to 5 ml per plant. The invention aims at providing the cutting breeding method of the novel variety of plant Bigui vine with high survival rate.

The invention discloses a negative ion air purifier convenient to clean. The negative ion air purifier comprises a treatment box body, wherein the left side face of the treatment box body is providedwith an air inlet hole, a baffle is arranged inside the treatment box body, an air outlet hole is formed in the outer side face of the baffle, a sliding rail is fixedly connected to the inner bottom wall of the treatment box body, sliding blocks are snapped in the sliding rail, one side faces, far away from the sliding rail, of the sliding blocks are fixedly connected with a purification box, thepurification box is positioned on the left side of the baffle, a groove is formed in the upper surface of the treatment box body, a sealing layer is snapped in the groove, a through hole is formed inthe inner bottom wall of the groove, the through hole is located right above the purification box, a push-and-pull handle is fixedly connected to the upper surface of the purification box, the inner top wall of the treatment box body is fixedly connected with a reverse osmosis layer, one end, away from the treatment box body, of the reverse osmosis layer is fixedly connected with the inner bottomwall of the treatment box body. The negative ion air purifier has the advantages of being convenient to clean, and high in purification speed and is convenient to operate by the users.

The invention provides a saturated steam combined boiler and a quick steam manufacturing method. The saturated steam combined boiler comprises a combustor, a furnace chamber, a boiler shell, a flow pipe bundle and a reversal combustion chamber, wherein the combustor is arranged on the front portion of a combustion chamber, the furnace chamber is arranged in the combustion chamber and used for combustion of fuel, the flow pipe bundle is arranged above the combustion chamber, and the reversal combustion chamber is connected with the end of the flow pipe bundle and the tail end of the combustion chamber. The saturated steam combined boiler is characterized in that the saturated steam shell type combined boiler with a built-in heat exchanger at least comprises two boiler bodies including the normally-used boiler body and the standby boiler body, the two boiler bodies are each provided with an energy saver and a condenser, the standby boiler body is further provided with the heat exchanger except the energy saver and the condenser, and a steam bypass outlet of the normally-used boiler body is connected with a heat exchange steam inlet of the heat exchanger of the standby boiler body. By the adoption of the combined boiler, the rising speed of the temperature of water in water pipes can be increased, the moisture content in flue gas is reduced, harmful gases in the flue gas are reduced, and energy waste caused by different steam consumptions at different time periods is avoided.

The invention relates to the technical field of animal husbandry, in particular to an ecological breeding method of capons. The method includes the following steps of chicken breeding, chicken castration, castration wound care, castration-wound-recovery breeding, medium-sized chicken feeding, adult chicken feeding and captive management. The breeding time of the capons can be shortened, the consumption of feed is reduced, the cost of the feed is reduced, after castration, wound infection is prevented by binding up castration wounds, the infection rate is reduced, the survival rate is improved,meanwhile rapid healing of the wounds of the capons is facilitated when the capons are fed with the feed containing traditional Chinese medicine powder in the castration wound recovery period, quantitative feeding can prevent the situation that wound dehiscence is caused by overfeeding of the capons and the wounds are not easily healed, the burden of the intestine and the stomach is relieved in the recovery period, the survival rate of the capons is improved, and the normal growth is not affected in the recovery period. The capons of different childbearing ages are fed with the feed differentin amount, the cost of the feed for the capons in the market can be controlled, and meanwhile the meat quality is kept stable.

The invention discloses a ventilation and purification circulating device capable of effectively reducing pollutants, and belongs to the field of air purification. The ventilation and purification circulating device capable of effectively reducing pollutants. The ventilation and purification circulating device comprises an air inlet pipeline, a dust removal channel, a microorganism filtering system, a secondary filtering module, an air sampling head, a negative ion detection and supplement system, an air outlet pipeline and the like, and is arranged at a fresh air inlet of an air conditioningunit according to the characteristics that an air conditioning system is large in ventilation quantity and high in fresh air dust content. According to the device, an air pipe type electronic dust removal technology is used for removing dust, a biofilm culturing technology is used for eliminating bacteria to the maximum extent, multiple layers of filter screens in the secondary filtering system are used for filtering fresh air in a multiple mode, the air sampling head is used for sampling and warning the content of accumulated dust in an air pipe, and the negative ion chamber technology is used for carrying out concentration detection and automatic supplement on the negative ion content in the filtered air, so that the removal rate of small and medium-sized particulate matter in the air isguaranteed, and the air quality and the human body comfort are effectively improved.

The invention discloses a semi-solid short-flow intelligent manufacturing system and method for steel flat flanges. The system comprises an intelligent smelting module used for intelligent control ofliquid metal components and intelligent auxiliary quantitative pouring of short flows, a multifunctional die module used for realizing alternate use of liquid casting forging machines on a productionline, an intelligent liquid die forging process control module used for monitoring die casting temperature, a metal finished product automatic stacking module used for controlling a robot to stack machined finished product parts according to a set program, and a main control chamber respectively connected with the intelligent smelting module, the multifunctional die module, the intelligent liquiddie forging process control module and the metal finished product automatic stacking module to realize intelligent manufacturing. According to the semi-solid short-flow intelligent manufacturing system and method for the steel flat flanges, the production process is simple and convenient, the operation is easy, mechanical and automatic production is relied on, the working environment of workers isimproved, the production cost is greatly reduced, and the production efficiency is improved.

The invention discloses a vacuum brazing method for dissimilar metal of concrete machinery. The method comprises the steps: processing a base body and alloy blocks according to process requirements, selecting flaky and pasty copper-based brazing filler metal, placing the flaky brazing filler metal in an alloy groove between the base body and the alloy blocks, coating brazing seams between the alloy blocks and between the alloy blocks and the base body with the pasty brazing filler metal, assembling into a weldment, placing the weldment in a vacuum brazing furnace, and performing welding using a multi-stage heating method, a multi-stage heat preservation method and a multi-stage cooling method. The vacuum brazing method is adopted, and in the vacuum brazing process, molten copper alloy, the base body and hard alloy are mutually diffused on the bonding surface to form compact metallurgical bonding; and a multi-stage heating and multi-stage nitrogen cooling method is adopted to replace a high-temperature tapping heat preservation procedure, the brazing temperature can be accurately controlled, the overall quality of the weldment and production efficiency can be guaranteed, the situation that due to high-temperature tapping rapid cooling, quenching thermal stress of the weldment is reduced can be avoided, and overall heating, overall thermal stress and deformation of the weldment are small.

The invention relates to a preparation method of lithium ion battery material lithium iron phosphate. According to the method, tail gas generated in the lithium ion phosphate high-temperature solid-phase method production process is efficiently purified, and a good technical effect and a remarkable economic and environmental benefit are achieved. An ammonia gas purifying tower is used for treating ammonia gas in the tail gas, finally a chemical fertilizer containing ammonium sulfate is obtained and used for sale, ammonium components in the burning process are effectively used, the cost of the mass production is reduced, the environment is protected, and the remarkable economic benefit is achieved. The nitrogen is used for exchanging heat with high-temperature tail gas, the nitrogen is preheated before the sintering, the heat of the tail gas is effectively used, the reaction rate and product purity can be improved, the energy is saved, and the energy consumption is further reduced. Carbon oxide in the tail gas is removed by adopting a carbon oxide adsorption agent, so that harmful gas in the tail gas is further reduced, and the environmental benefit is obvious.

The invention discloses an industrial waste gas purification device. The industrial waste gas purification device comprises a first purification mechanism, a second purification mechanism and a third purification mechanism, wherein the first purification mechanism comprises a first filtering groove, a second filtering groove, a first connecting pipe, a gas inlet, a second connecting pipe, a first separation layer and a movable plate; the second purification mechanism comprises a detection module, a purification liquid groove, a detection contactor, a viewing opening, a guide pipe, a waste gas guide pipe and a gas leading-out pipe; the detection contactor is connected with a detection module and is mounted in the purification liquid groove; the third purification mechanism comprises a top cover, a gas temporary storage groove, a waste gas groove and a gas outlet. According to the industrial waste gas purification device disclosed by the invention, three purification grooves are matched and are used for purifying waste gas, so that polluted gas can be effectively purified and the content of carbon dioxide and harmless gas in the waste gas are greatly reduced; the industrial waste gas purification device is high in purification efficiency and convenient to mount and has relatively low cost.

The invention discloses a preparation method of a composite flame retardant used for a fireproof and thermal insulation decorative board. The method comprises the following steps: pulverizing hydrated silica by a ball mill to obtain hydrated silica powder; adding an acid solution to the hydrated silica powder to obtain Mix the liquid, add zinc carbonate to obtain a mixed liquid containing zinc carbonate, add aluminum hydroxide particles, silicon dioxide particles and magnesium hydroxide particles to obtain a silicon-magnesium mixed liquid; add absolute ethanol to the sodium silicate, stir evenly After that, the acidic solution is added dropwise to obtain a sol containing silicon; both the sol containing silicon and the magnesium-silicon solution are added to the reaction kettle, and filtered to obtain a solidified mixture; the solidified mixture is rinsed and dried with deionized water to obtain a composite machine Flame retardant; inorganic compounds such as hydrated silica powder, zinc carbonate, aluminum hydroxide particles are added to the flame retardant to improve the flame retardant performance of the flame retardant, and the zinc carbonate can assist the more uniform foam molding of the decorative board .

The invention discloses an electric resistance furnace used for processing an axle. The electric resistance furnace used for processing the axle comprises a furnace body, wherein a furnace bottom layer is arranged below the furnace body; a heating layer is arranged between the furnace body and the furnace bottom layer; one circle of electric resistance wire is arranged in the heating layer; a plurality of object containing tanks are arranged in the horizontal direction of the furnace body; the object containing tanks are in the horizontal direction and are successively arranged from front to back; the middle of the top part of the left end of a box body is provided with a dehumidifier; the top part of the right end of the box body is provided with a temperature sensor; the temperature sensor is connected with an alarm; the furnace bottom layer is internally provided with heat-proof cellucotton; and the object containing tanks are in a U shape.

The invention discloses a premixing device for combustion heat exchange equipment and the combustion heat exchange equipment with the premixing device. The premixing device for the combustion heat exchange equipment comprises a cavity, the cavity is provided with a gas inlet, a fuel gas inlet and a mixed gas outlet, a plurality of mixed gas distribution holes are formed in a distribution plate, apremixing pipe is arranged on a gas mixing plate, at least part of an air inlet pipe is arranged in the premixing pipe in a sleeve mode, and a gap is formed between the air inlet pipe and the premixing pipe to form a fuel gas inlet channel. According to the embodiment of the premixing device for the combustion heat exchange equipment, when fuel gas is exhausted from the fuel gas inlet channel, airin the air inlet pipe generates impact force on the fuel gas, and the distribution plate can uniformly disperse fuel gas mixed gas, so that the mixed gas outlet is uniformly filled with the fuel gasmixed gas, and the mixed gas outlet is uniformly filled with the mixed gas, so that the high combustion efficiency of the fuel gas mixed gas during combustion can be guaranteed, and in addition, the matching structure of the air inlet pipe, the gas mixing plate and the distribution plate is simple.

The invention relates to a preparation method of lithium ion battery material lithium iron phosphate. According to the method, tail gas generated in the lithium ion phosphate high-temperature solid-phase method production process is efficiently purified, and a good technical effect and a remarkable economic and environmental benefit are achieved. An ammonia gas purifying tower is used for treating ammonia gas in the tail gas, finally a chemical fertilizer containing ammonium sulfate is obtained and used for sale, ammonium components in the burning process are effectively used, the cost of the mass production is reduced, the environment is protected, and the remarkable economic benefit is achieved. The nitrogen is used for exchanging heat with high-temperature tail gas, the nitrogen is preheated before the sintering, the heat of the tail gas is effectively used, the reaction rate and product purity can be improved, the energy is saved, and the energy consumption is further reduced. Carbon oxide in the tail gas is removed by adopting a carbon oxide adsorption agent, so that harmful gas in the tail gas is further reduced, and the environmental benefit is obvious.

The invention discloses a green and environment-friendly gasoline additive. Components comprising the following parts by weight: 8-12 parts of ethylene glycol tert-butyl ether, 10-15 parts of polypropylene glycol ether, 6-8 parts of propylparaben sodium, 1-3 parts of explosion-proof agent, metal corrosion inhibition 1-3 parts of solvent, 2-5 parts of co-solvent, 1-3 parts of antioxidant. The gasoline additive of the present invention can be added to various types of gasoline products, and can reduce HC, CO and NO produced by gasoline combustion x Harmful gas can increase the combustion value of gasoline. The addition of anti-explosion agent can prevent explosion accidents caused by violent combustion of gasoline. Metal corrosion inhibitors can effectively alleviate the corrosion and fouling of gasoline on automobile engines and mailboxes.

The invention discloses an automatic oil smoke capturing device for a range hood. The automatic oil smoke capturing device comprises an outer shell, a negative-pressure zone adjusting piece and an oilsmoke gathering plate, wherein an illumination lamp and a sensor are arranged on the rear side of the inner wall of the outer shell; the negative-pressure zone adjusting piece and the oil smoke gathering plate are arranged on the inner side of the outer shell side by side; the oil smoke gathering plate is mounted on a mounting frame of the negative-pressure zone adjusting piece by a rotating arm;the negative-pressure zone adjusting piece is mounted on the mounting frame via a support rotating shaft and a rotating shaft; the upper part of the rotating shaft is provided with a rocker arm; andthe upper part of the rocker arm is connected with a micromotor. The automatic oil smoke capturing device of the invention has the beneficial effects that the directional oil smoke extraction of rangehoods in household kitchens is realized; the intensity of wind power is improved in a disguised manner; the oil smoke extraction ability of the range hood is greatly improved; and kitchen gases harmful to human beings are reduced.

The invention belongs to the technical field of hydrogen preparation. Specifically, the invention provides equipment for hydrogen production through reforming of methanol steam. The equipment comprises a liquid storage device, main hydrogen production equipment and a plurality of pieces of hydrogen production sub-equipment, wherein the main hydrogen production equipment obtains hydrogen and conveys discharged residual gas into one piece of hydrogen production sub-equipment at the same time; and the sub-hydrogen production equipment receives residual gas discharged by the main hydrogen production equipment or / and other hydrogen production sub-equipment and uses the residual gas for continuously producing hydrogen. In addition, the invention also provides a method for hydrogen production through reforming of methanol steam by using the equipment. The technology of multiple residual gas reforming is adopted, so methanol cracking efficiency is further improved, harmful gas in the residual gas can be reduced, the concentration of hydrogen is improved, and the method is more environmentally friendly.

The invention provides a connecting structure for a control panel, a motor control panel, a stator assembly and a motor, relates to the technical field of motors, and solves the technical problems inthe prior art that the motor control panel and the stator assembly are soldered by tin soldering, so that the production efficiency is low, and the soldering process is harmful to human body. The connecting structure for the control panel comprises matching pins and inserting pins, one of the matching pins and the inserting pins are arranged on the motor control panel, and the other one are arranged on the stator assembly. When all the inserting pins make contact with the corresponding matching pins respectively, the electric connection between the motor control panel and the stator assembly can be achieved. According to the present invention, the quick connection between the motor control panel and the stator assembly is realized.

The invention discloses an ecological culturing method capable of reducing sesame duck manure urea odor. The method comprises the steps of culturing field selection, sesame duckling selection, young duck culturing, adult duck culturing, daily management, slaughter readiness and the like. The method has the advantages that different types of feed are fed according to different growing periods of sesame ducks, sufficient nutritious substances are provided for the sesame ducks, traditional Chinese medicine liquid, nutritious liquid and composite active probiotics are properly fed to reduce harmful gases of ammonia, hydrogen sulfide, carbon oxide, methane and the like, the problem of stench generated by duck manures in duck culturing process can be well solved, the healthy growing of the sesame ducks can be ensured, the feed utilization rate is improved, and the culturing cost of the sesame ducks is reduced.

The invention relates to an emission reduction dry-type culture method for producing nonreactive pork. The method uses pig feeds, which contain feedstuff additive premix, and active water agent to feed the pigs. An organic adhesive layer is laid inside a pig shed. The active water agent contains natural plant extract and bacillus subtilis, and is drunk by the pigs through a leak protection and filtering water device arranged inside the pig shed. The feedstuff additive premix contains NSP enzyme, micro-ecological agent, plant extract and acidifier. The method can prevent the pigs from having intestinal bacteria and viral diseases and respiratory diseases, and reduce the discharge of fecaluria and living water, harmful gas produced by pig fecaluria and stench, and through which prevents thebreeding of flies. At the same time of producing nonreactive port, the method can reduce the pollution caused by excreta.