126results about How to "Will not discharge" patented technology

The invention discloses a polydopamine-silver particle-polydopamine type surface-enhanced Raman spectroscopic substrate. The surface of a substrate sheet is successively coated with a polydopamine layer, a nano-silver particle layer and another polydopamine layer from bottom to top. A preparation method for the substrate comprises the following steps: cleaning an adhesion substrate sheet; then growing polydopamine on the substrate sheet in virtue of a dopamine-Tris solution; carrying out ultrasonic cleaning so as to obtain the substrate sheet on which the smooth polydopamine layer is adhered; then allowing the nano-silver particle layer to be adhered onto the substrate sheet with the adhered smooth polydopamine layer; and carrying out growth of polydopamine in virtue of the dopamine-Tris solution again so as to obtain the substrate. The method provided by the invention is simple in experimental environment, does not produce an unwanted reducing agent, adopts dopamine in-situ reduction and discharges no toxic matters; the making period of the substrate is short, and enhanced effect value can reach 3.6*10<6>; and the substrate has stable performance and can be preserved for three months under simple preservation conditions.

The invention provides a urinalysis urine taking device for a urology department, and belongs to the technical field of medical instruments. The urinalysis urine taking device comprises an upper cavity, a middle cavity and a lower cavity; an opening is formed in the side wall of one side of the middle cavity, a platform is arranged at the opening, a sliding plate is arranged on the platform, a urine cup holder is arranged at one end of the sliding plate, a rack is arranged at the other end of the sliding plate, a motor is arranged on the platform, and a gear matched with the rack is arranged on a driving shaft of the motor; a screen cover hinged to a hinged shaft on the side wall of the urine cup holder is arranged on the upper portion of the urine cup holder, a first sensing device is arranged on the lower portion of the screen cover, a second sensing device is arranged at the bottom of the lower cavity, a controller and a storage battery are arranged on the side wall of the lower cavity, and the first sensing device and the second sensing device are connected with the input end of the controller respectively. The urinalysis urine taking device for the urology department has the advantages that urine taking is convenient, and great convenience is brought for urinalysis.

The invention discloses a power switchgear (ES), comprising at least one functional module (FM, FM...) with a closed casing and a pressure relief channel (DK) connected with the casing, wherein the pressure relief The channel (DK) has, on at least one of its outer surfaces, a ventilation device (LV, LV...) consisting of two ventilating parts (LE1, 2) arranged at a distance from one another in front of the other and having ventilation holes (LE1, 2), one of which ( LE1) is fixedly connected with the outer surface of the pressure relief channel (DK), another ventilation part (LE2) can move relative to the fixed ventilation part (LE1), and the movable ventilation part (LE2) can be in a guide frame (FR) moves linearly inside, the ventilation holes of the two ventilation parts (LE1, 2) are staggered to each other, and the movable ventilation part (LE2) has locking holes (EO1, 2) on the guide frame (FR). ) correspondingly provided elastic positioning element (RE). Such switchgear can be used in power supply and distribution installations.

The present invention discloses a system for reducing hydrogen emission of a hydrogen-fueled cell car in a closed space and a control method thereof. Aiming at the potential safety hazard caused by hydrogen emission of a fuel cell in a closed space, storage and power supply devices of hydrogen are improved, a distance measurement sensor is used to detect whether the vehicle is in a closed space ornot, when the vehicle is in the closed space and needs to discharge residual hydrogen, the hydrogen is controlled to be discharged in a solid hydrogen storage unit, and when the vehicle is in an openspace, the hydrogen stored in the solid hydrogen storage unit is discharged to ensure the safety of the fuel-cell vehicle in the closed space.

The invention relates to a ready-mixed plastering mortar for an interior wall. The ready-mixed plastering mortar for the interior wall is characterized by being prepared from the following raw materials: 60-70 parts of artificial sand, 12-13 parts of cement, 10-12 parts of II grade coal ash, 2-3 parts of cellulose ether, 2-3 parts of redispersible powder and 0.1-0.5 part of additives. The ready-mixed plastering mortar for the interior wall has excellent heating retaining property and water retaining property, and the adopted additives are capable of remarkably improving the properties such as anti-permeability, crack resistance and shrinkage reduction property of the mortar.

The tunnel combustion chamber and its constitute of burning coal and organism without smoke and dust relate to boiler, furnace and aerify equipment whose fuel is coal and organism. The tunnel combustion chamber has wide fuel scope. It can carry out the cleanness combustion of the smoke raw coal, the spread coal, the organism, the type coal and the biologic coal. It applies the biologic fuels reasonably and has high thermal efficiency. It realizes the large-scale and mechanical burning. The invention resolves the problem of pollution atmosphere environment by coal burning device. It makes the equipments the cleanness combustion when burning the coals. The small equipment doesn't need air blast and induced air and it can burn. And it doesn't need the ash handling equipment to protect the environment. The invention sends the vapour to the tunnel combustion chamber. It is used to restrain the smoke and translate to the gas fuel. It carries out cleanness combustion when realizes the increase the combustion value of the fuels. It lowers the resources depletion and relief the energy strain. It creates a condition for pushing economy social overall coordination sustained developing.

Disclosed is a drain pump for a washing machine, which comprises a motor, a pump housing, an impeller, a drain pipe and a circulating pipe. The motor is fixed at the lower part of the pump housing. The pump housing is provided with a pump chamber at the lower part and a water inlet at upper part thereof. The impeller is located inside the pump chamber of the pump housing and fixed at the shaft of the motor. The drain pipe and the circulating pipe are arranged in the same direction, and fixed at both sides of the pump housing respectively, moreover, both of them are tangent to the inner wall of the pump chamber. Water circulation or drainage is controlled by dominating the rotating direction of the motor, thus the function of water circulation and drainage can be achieved by means of one pump housing.

The invention relates to a coking plant VOCs treatment system. The coking plant VOCs treatment system comprises a control system, a combustion treatment system and a negative pressure recovery system.The coking plant VOCs treatment system is capable of effectively treating VOCs and reducing the environment pollution caused by the VOCs to the greatest extent, and accords with the stipulation of Emission Standard of Pollutants for Coking Chemical Industry GB1617-2012.

The horizontal double-layer fire grate reverberatory boiler includes boiler barrel, water cooled pipe, combustor, etc. and the inside of the boiler has three parts of combustor, high temperature fume chamber and heat exchanging cavity. The combustor in the front part of the boiler generates high temperature fume entering to the high temperature fume chamber, and the water pipe fire grate and the boiler barrel constitute one heat exchanging loop. The heat exchanging cavity has boiler barrel in the upper part and shell-and-tube heat exchanger in the lower part with connecting convection pipes, water cooled pipes and lowering pipes in between. Owing to the independent combustor and high temperature fume chamber, reverse heat exchange mode and other technology, the present invention has raised coal burning out rate, lowered fume exhaust temperature, lowered dust and smoke content, and raised heat efficiency and environment protecting effect.

The invention relates to an imbibition experimental device and an imbibition experimental method under pulse action. The imbibition experimental method comprises the specific steps of preparing a to-be-tested rock core, mounting the rock core in an imbibitions device, and adjusting the length of an inlet screw, wherein the rock core is controlled between an inlet rock core groove and an outlet rock core groove; connecting the experimental device, adjusting a corresponding state by a three-way switch, filling a middle container with water, and adding a proper amount of water into a separating bottle through a drain pipe for oil-water separation; controlling a pulse controller to set a pulse signal of a certain frequency, starting a constant-flux pump to start pulse water injection and determining a pulse pressure value; and measuring the volume of oil displaced by imbibition action, and calculating the imbibition oil displacing recovery rate under the pulse action. By additionally arranging the pulse device based on a conventional imbibition experiment, influence on imbibition by pressure fluctuation and propagation is considered, great intervention of the displacing quantity on imbibition can be also removed, and the imbibition experimental device and the imbibition experimental method not only can be used for researching the imbibition oil displacing recovery rate under the pulse action, but also can be used for evaluating the oil displacing effects of natural imbibition and continuous water injection imbibition.

The invention discloses a country scenic region waterless toilet capable of performing comprehensive sterilization treatment on excrement and belongs to the technical field of pit toilets. The country scenic region waterless toilet comprises an excrement pool. The country scenic region waterless toilet is characterized by further comprising an outer cover, a floor is arranged in a space encircled by the outer cover and divides the space into an upper part and a lower part, a closet pan is arranged above the floor, an excrement pool is arranged below the floor, and the closet pan is communicated with the excrement pool. A urine collecting pool is arranged below or on one side of the excrement pool and can be communicated with the excrement pool. An excrement processing device is arranged in the excrement pool, one side of the excrement pool is further connected with a dry excrement box, and the dry excrement box is located outside the outer cover and made of a transmitting material or a material conducting heat easily. After the excrement is crushed and processed into grains, the surface area is increased equivalently, and the weathering drying speed is especially quick. The excrement does not need flushing and is free of other impurities such as water, nutritional high fidelity of the excrement is guaranteed, and the excrement can be used as an agricultural production fertilizer.

The invention discloses a simple method for preparing nano silver from a bacterial fermentation solution. The method comprises the steps of inoculating staphylococcus aureus or enterococcus faecalis to a Mueller-Hinton culture medium, implementing shake cultivation for 12-72 hours at 25-37 DEG C, separating the thallus from bacterium suspension, reserving the bacterium suspension, adding a silver nitrate solution to the bacterium suspension so that silver ion concentration is 0.5-10mM, implementing shake cultivation for 5-72 hours at 25-37 DEG C, carrying out ultrasonic treatment, filtering the solution after the ultrasonic treatment, and reserving filtrate to obtain a nano silver solution. The method, which is used for preparing nano silver particles through the bacterial fermentation solution, is simple and easy, strong in operability and low in cost, and is free from toxic and harmful substances to the environment, thus being a simple and environment-friendly nano silver preparation technology.

The invention discloses a mercerizing penetrant for cotton fabrics. The mercerizing penetrant comprises, by weight parts, 40-60 parts of fatty alcohol succinate, 10-20 parts of sodium laurate, 5-12 parts of acrylic acid, 10-25 parts of emulsifier, 8-15 parts of glycerin and 10-30 parts of deionized water. The mercerizing penetrant has the advantages of having low foam and being good in permeability, easy to degrade and free of harmful gas, is an excellent-performance, green and environment-friendly mercerizing penetrant, and is suitable for industrial large-scale production.

The invention relates to a method and device for supplying a charge with electric energy recovery. According to the invention, an electric current, which circulates from the battery (UB) through the electric motor (M) and the diode (D1), charges capacitors (CA and CB) which are connected in parallel. Once charged, said capacitors are connected in series, thereby producing a voltage difference in relation to the battery and causing half of the charge from the capacitors to be returned through the diode (D2) to the battery. Moreover, once reconnected in parallel, the capacitors are re-charged, said charge being equal to that which was previously conveyed from the capacitors to the battery. In this way, as the capacitors are connected cyclically in parallel and in series, the energy is conveyed from the battery to the capacitors and from the capacitors to the battery, thereby considerably prolonging the autonomy of the battery and the operation of the motor.

The invention relates to a water scrubbing type vacuumizing evaporation filtering tank, comprising a tank body and a bottom cover, wherein the bottom cover is in detachable seal connection with the tank body; a stirrer is arranged in the tank body; a heating jacket is arranged outside the tank body; the upper end of the tank body is provided with a liquid filling opening and a vacuumizing opening; a filter plate and filter cloth are arranged in the upper end surface of the bottom cover; a filtrate storage cavity is below the filter plate; a drain valve is arranged at the bottom of the bottom cover; an annular spray pipe and a radial type branch spray pipe are arranged in the tank body; the vacuumizing opening is connected with a three-way pipe; and one inlet of the three-way pipe is connected with a vacuumizing device by virtue of a vacuum solenoid valve and a vacuum tube, and the other inlet of the three-way pipe is connected with a cleaning water pipe by virtue of a cleaning solenoid valve. The water scrubbing type vacuumizing evaporation filtering tank provided by the invention can realize multiple functions such as stock solution filtration, heating evaporation, vacuumizing stirring, tank body flushing and the like completely in the closed tank body, thereby avoiding pollution caused by the external environment to drug liquid or medicines, and avoiding discharge of pungent smells.

The invention relates to a water scrubbing vacuumizing evaporation filtering tank, comprising a tank body and a bottom cover, wherein the bottom cover is in detachable seal connection with the tank body; a stirrer is arranged in the tank body; a heating jacket is arranged outside the tank body; the upper end of the tank body is provided with a liquid filling opening and a vacuumizing opening; a filter plate and filter cloth are arranged in the upper end surface of the bottom cover; a filtrate storage cavity is below the filter plate; a drain valve is arranged at the bottom of the bottom cover; an annular spray pipe is arranged in the tank body; the vacuumizing opening is connected with a three-way pipe; and one inlet of the three-way pipe is connected with a vacuumizing device by virtue of a vacuum solenoid valve and a vacuum tube, and the other inlet of the three-way pipe is connected with a cleaning water pipe by virtue of a cleaning solenoid valve. The water scrubbing vacuumizing evaporation filtering tank provided by the invention can realize multiple functions such as stock solution filtration, heating evaporation, vacuumizing stirring, tank body flushing and the like completely in the closed tank body, thereby avoiding pollution caused by the external environment to drug liquid or medicines, and avoiding discharge of pungent smells.

The invention relates to a preparation method of mud pottery sand inorganic thermal insulation mortar. The method comprises the steps of (a) carrying out drying treatment on mud; (b) carrying out mud sintering, and roasting the mud at high temperature, wherein the roasting time is not less than 30min and the roasting temperature is not lower than 1,000 DEG C; (c) after roasting, crushing and sieving residues and taking pottery sand of which the particle sizes are smaller than 2mm; (d) preparing cement paste, stirring the cement paste at a certain water cement ratio; and (e) preparing the mortar, doping the pottery sand obtained in the step (c) into the cement paste instead of fine sand, stirring evenly and then preparing the mud pottery sand inorganic thermal insulation mortar. The mortar is mixed by using proper pottery sand instead of the fine sand according to the actual requirements of thermal insulation mortar preparation and the method provided by the invention; and the pottery sand inorganic thermal insulation mortar is nontoxic, tasteless, free of radioactive contamination and free of harm to a human body, and no harmful gas is discharged even if in a high-temperature environment generated by long-term direct irradiation of the sunlight.

The invention relates to a vacuumized washing evaporation filtration tank. The tank comprises a tank body and a bottom cap. The bottom cap and the tank body are connected in a removable sealing mode. A blender is installed in the tank body. A heating jacket is disposed outside the tank body. A liquid injection port and a vacuuming orifice are formed in the upper end of the tank body. A filter board is installed in the upper end face of the bottom cap. A filter cloth is disposed on the filter board. A filtrate storage cavity is formed under the filter board. A drain valve is disposed at the bottom of the bottom cap. The vacuuming orifice is connected to the gas inlet port of a negative pressure tank. The gas outlet port of the negative pressure tank is connected to the extraction port of a vacuum pump through a gas inlet pipe. A pipeline filter is installed on the gas inlet pipe. An annular spray pipe, which is connected to the cleaning water source, is installed inside the tank body. The multiple functions, including stock solution filtrating, heating and evaporating, vacuum stirring and tank flushing, can be realized by the vacuumized washing evaporation filtration tank. The functions are performed inside the sealed tank to avoid the pollution of liquid medicine or drugs caused by the external environment. No gas with stimulating smell is discharged during production.

The invention provides a spiral conveying and drying device. The spiral conveying and drying device comprises a feeding assembly and a drying assembly, wherein the feeding assembly is used for receiving materials cleaned in a cleaning section and conveying the materials to a drying section; the drying assembly is used for receiving the materials sent by the feeding assembly and drying the materials; the feeding assembly comprises a circulation roller, and one end of the circulation roller is suitable for being connected to a material outlet of the cleaning section and receiving the cleaned materials; the inner wall of the circulation roller is provided with a spiral conveying channel and a bucket, a drainage port and a bucket opening are formed in the bucket, and the bucket opening corresponds to a discharge port of the spiral conveying channel; in the rotating process of the circulation roller, the bucket opening receives the materials from the discharge port and dumps the materials into the drying assembly. The spiral conveying and drying device achieves the conveying function and has a good drying effect.

The invention discloses a soil quality conditioning device for medium and low yield fields. A stirring motor is fixedly mounted at one end of the bottom of a storage box, an output shaft of the stirring motor is fixedly connected with a stirring shaft, stirring blades are fixedly mounted on the surface of the stirring shaft at equal intervals, one end of each stirring blade is fixedly connected with a cleaning soft brush, and a filter screen is mounted in the middle of the bottom end of the storage box in an embedded manner. A conditioner used for soil quality conditioning can be conveniently treated, when water and a conditioner enter the storage box, the stirring motor drives the stirring shaft and the stirring blades to rotate, and the water and the conditioner are stirred and mixed to be uniform, so that conditioner can be uniformly fused in water to form a medicament, a discharge pump downwards discharges the mixed medicament into a flow dividing box body, when a construction vehicle walks in a field, the medicament can be uniformly sprayed into soil of the field through spraying holes, the polluted and damaged soil is conditioned, the soil quality and nutrients are recovered, the yield of crops in the field is improved.

An environment friendly methanol boiler relates boilers with methanol as the fuel is designed for solving the problems such as poor combustion effects and environmental pollution of existing boilers. The environment friendly methanol boiler comprises a support, a boiler body is arranged at the top of the support and provided with a water return inlet, a water outlet, a water supplement inlet and an air vent; the bottom of a first combustion chamber inside the boiler body is fixed onto the boiler bottom, and the inner bottom of the first combustion chamber is provided with a combustion range which is connected with an air inlet pipe and a fuel conveying pipe; the first combustion chamber and a second combustion chamber are communicated through combustion tubes; the second combustion chamber is provided with an air exhaust pipe, the wall of the first combustion chamber is provided with an ignition hole, the corresponding position of the outer wall of the boiler body is also provided with a hole, and a viewing glass is inserted into the ignition hole through the hole in the outer wall of the boiler body. The inside of every combustion tube is provided with a flame retarding piece, and the body of the flame retarding piece is fixedly connected with the corresponding combustion tube; both sides of the flame retarding piece body are provided with flame retarding blades, and the flame retarding piece is provided with flame retarding holes. The environment friendly methanol boiler has the advantages of good combustion effects and no environmental pollution.

The invention relates to a water scrubbing filtering tank, comprising a tank body, wherein the tank body comprises a cylindrical upper tank body fixed on the upper part, and a cover-shaped lower tank body in detachable seal connection with the upper tank body; a stirrer is arranged on the upper tank body and is connected with a driving device; a thermometer is arranged in the upper tank body; a heating jacket is arranged outside the upper tank body; the upper end of the upper tank body is provided with a liquid filling opening and a vacuumizing opening; a filter plate is arranged in the upper end surface of the lower tank body; a piece of filter cloth is arranged on the filter plate; and a filtrate storage cavity is below the filter plate, and is connected with a filtrate discharge pipe by virtue of a drain outlet. The water scrubbing filtering tank provided by the invention can realize multiple functions such as powdered drug stock solution filtration, heating evaporation, vacuumizing stirring, tank body flushing and the like completely in the closed tank body, thereby avoiding pollution caused by the external environment to drug liquid or medicines, avoiding discharge of pungent smells during production, and ensuring the environmental sanitation of a manufacturing shop.

The invention provides bean tissue protein composite nutritive rice and a production method thereof. The bean tissue protein composite nutritive rice is obtained by mixing 30wt% of soybeans, 20wt% of mung beans, 20wt% of black beans, 20wt% of red beans and 10wt% of rice flour. The invention also provides a production method of the bean tissue protein composite nutritive rice. Through the production method, broken rice grains and fallen rice germs produced by rice milling are repaired or processed into rice grains the same as common whole polished rice grains. The bean tissue protein composite nutritive rice is all natural and environmentally friendly and has no pollution, a high nutritive value and a good taste. Through the production method, a product having peculiar characteristics and satisfying market demands can be developed. The production method can be operated flexibly, has high efficiency, saves energy, is environmentally friendly and can realize production of different products satisfying consumer demands according to people having different body constitutions. The production method realizes production of a product having credible quality, saves energy and improves production efficiency of enterprises. The production method guarantees quality of each rice grain so that consumer health is protected.

The invention relates to a clean chemical work station which includes a clean work bench and a water bath heating tank and a clean water tank which are arranged therein. The clean work station includes a gas inlet system, a gas exhaust system and a work chamber. A transparent end plate, in which an operation hole is formed, is arranged on the outer end of the work chamber. One side, which is closed to the transparent end plate, of the work chamber is a transparent insulation plate. An insulation layer is formed between the transparent end plate and the transparent insulation plate. The gas exhaust system includes a gas exhaust port which is arranged below the insulation layer, and a gas pumping apparatus which is connected to the gas exhaust port through a gas exhaust pipeline. In the invention, the water bath heating tank and the clean water tank are disposed in the clean work bench, so that a clean environment for chemical etching is provided, and meanwhile, volatile gas is prevent from escaping into atmosphere, so that damage of the volatile gas to body during the chemical etching is avoided. A user can carry out work with the clean work bench in a normal environment without any special dust-free room, so that the clean work station can greatly reduce cost and has important significance on scientific research and education.

The invention discloses an automatically-operated liquid degassing device for continuously providing degassed liquid. The automatically-operated liquid degassing device is composed of a vacuum system,a protective gas system, a degassing system, a liquid storage and transfer system and a control system; the control system drives the liquid storage and transfer system through a preset procedure toinject pretreated liquid into degassing tanks, a vacuum tank of the vacuum system communicates with the degassing tanks of the degassing system, the temperature and the pressure in the degassing tanksare adjusted to enable gas to escape quickly, and the gas is discharged by the vacuum system; the protective gas system can input protective gas into the degassing tanks; and the degassing system isprovided with the two or more degassing tanks which work by turns, and it is ensured that the device can output the degassed liquid sufficiently, stably and continuously. The automatically-operated liquid degassing device can be widely applied to the processes such as steam boiler water-supplying deoxygenation and degassing before filling of liquid beverage, the larger the treatment amount is, themore prominent the effects of low energy consumption, high removal rate and high degassing speed are, the operation automation degree is high, and the application range is wide.

The invention discloses a simple method for preparing nano-silver by means of microalgae. According to the simple method for preparing nano-silver by means of microalgae, a solution of chlorella or limnothrix or scenedesmus quaclricauda is centrifuged, algal cells are deposited and re-suspended in sterilized deionized water, ice-bathing and breaking are conducted by placing the sterilized deionized water containing the algal cells under ultrasonic waves, breaking is conducted for three to ten minutes under the condition that the output power ranges from 150 W to 200 W, centrifugation is conducted, algal sediment is removed, silver nitrate is added to the algal solution, the concentration of silver ions ranges from 5 microgram / mL to 100 microgram / mL, the oscillation reaction is conducted for one to five hours by placing the mixture on a water bath shaker at the temperature of 20-40 DEG C, and then a nano-silver solution is obtained by conducting ultrasonic treatment and membrane filtering. According to the method, nano-silver particles are prepared by means of microalgae, the preparation method is simple, easy to implement, high in operability and low in cost, no toxic and harmful substance is discharged into the environment during preparation, and the method is a simple and environmental-friendly technique for preparing nano-silver.

The invention discloses a low-carbon high-efficiency insulated sterilizing kitchen for edible fungi. A heater (1) is positioned in a kitchen body (2); the front wall and two side walls of the kitchen body (2) are divided into an inner wall and an outer wall; an enclosed cavity (3) is formed between the inner wall and the outer wall; a main combustion chamber (5) is formed in the cavity (3) in the middle of the front wall, and clapboards (4) are arranged in the cavity (3) on the two sides of the main combustion chamber (5) in a longitudinally staggered mode; gaps are reserved between two clapboards (4) on the two sides close to the main combustion chamber (5) and the top surface of the cavity (3); a fire distributing plate (6) is arranged on the top surface of the upper cavity (3); a gap is reserved between the clapboard (4) close to the front wall of the kitchen body (2) and the bottom surface of the cavity (3); and a chimney capable of opening and closing is formed on the top surface of the cavity (3) between the clapboard (4) and the front wall of the kitchen body (2). The low-carbon high-efficiency insulated sterilizing kitchen for the edible fungi can fully utilize heat of exhaust smoke, performs sterilization at constant temperature, and has good sterilization effect. Coal in the main combustion chamber is burned without generating black smoke. Therefore, the low-carbon high-efficiency insulated sterilizing kitchen has the advantages of energy conservation and environmental protection on the basis of good sterilization effect.

The invention relates to a water path system of beverage extraction equipment. The system comprises a water tank, a water pump, a boiler, a pressure relief valve and a waste water box; a water outletof the water tank is connected with a water inlet end of the water pump. The system is characterized in that a water outlet end of the water pump is connected with one port of the pressure relief valve; another port of the pressure relief valve is connected with the waste water box, another port of the pressure relief valve is divided into two paths, one path is connected with a cold water inlet end of the boiler through a first one-way valve, and the other path is connected with a water inlet end of an extraction group through a second one-way valve; the first one-way valve only allows waterflow to flow from the pressure relief valve to the boiler, and the second one-way valve only allows the water flow to flow from the water inlet end of the extraction group to the pressure relief valvewhen the pressure is relieved; a hot water outlet end of the boiler is connected with the water inlet end of the extraction group through a third one-way valve, and the third one-way valve only allows hot water to flow to the water inlet end of the extraction group. The hot water in a pipeline cannot be discharged during pressure relief of the water path system, and the route of the hot water entering the extraction group is short. The invention also relates to a diverter valve.

The invention relates to the field of boiler smoke purification, in particular to an environment-friendly boiler smoke purification treatment device. A mounting cavity is located on the upper sides of a flow guide cavity and a collecting cavity, the upper side of the flow guide cavity communicates with the upper side of a material collecting cavity through the mounting cavity, and a supporting frame is arranged in the flow guide cavity. A filter screen is mounted in the mounting cavity so as to move downwards under the driving of air flow from top to bottom when filter holes of the filter screen are blocked. A pollution discharge fan is configured to at least enable impurities falling on the filter screen to be discharged outwards into the collecting cavity along the surface of the filter screen in the rotating process, and dredge the blocked filter holes. A power fan is located in the flow guide cavity, fixedly connected with the lower end of the pollution discharge fan, rotatably installed on the supporting frame and configured to rotate under driving of air flow from top to bottom, and the action relation between the power fan and the air flow from top to bottom is changed under the action that the pollution discharge fan moves downwards so that the rotating speed can be increased under the action of the air flow. A sealing ring is used for preventing dust in the collecting cavity from entering the flow guide cavity. Therefore, the cost of a dedusting and purifying device is reduced, and the environment-friendly effect is enhanced.

The invention discloses a high-temperature critical treatment method and system for dioxin in waste incineration flue gas. A first smoke pipe is mounted at the top of an incineration tower of the high-temperature critical treatment system for the dioxin in the waste incineration flue gas, and the end, away from the incineration tower, of the first smoke pipe is connected to one end of a spraying mechanism; a second smoke pipe is mounted at the top of the spraying mechanism, the end, away from the spraying mechanism, of the second smoke pipe is mounted at the top of one side of a cyclone separator in the tangential direction, a third smoke pipe is mounted at the top of the other side of the cyclone separator, and the end, away from the cyclone separator, of the third smoke pipe is connected to one end of an adsorption box; and the other end of the adsorption box is connected to an air inlet of an air blower, and an air outlet of the air blower is connected to one side of a smoke exhaust pipe. According to the high-temperature critical treatment system for the dioxin, generation of the dioxin in the waste incineration process can be restrained, the generated dioxin is effectively removed, smoke generated by waste incineration can easily reach the emission standard, the treatment effect of the dioxin is good, and the treatment cost is low.