102results about How to "Good energy saving" patented technology

The invention provides an intelligent power consumption information interactive management system, comprising energy saving equipment and an intelligent interactive terminal. The energy saving equipment comprises an energy saving switch, a power consumption monitoring device and a communication module; the energy saving switch and the power consumption monitoring device are respectively electrically connected to the communication module; the power consumption monitoring device monitors power consumption data of electric equipment; the communication module transmits the power consumption data to the intelligent interactive terminal, receives control instruction of the intelligent interactive terminal, and transmits the control instruction to the energy saving switch; the energy saving switch controls the electric equipment to be switched between an energy saving mode and a normal mode according to the control instruction. The intelligent interactive terminal generates and transmits thecontrol instruction to the corresponding energy saving equipment according to the power consumption data transmitted by the communication module. By using the intelligent power consumption information interactive management system, the power consumption condition of the electric equipment can be monitored comprehensively to guide the rational power consumption of the consumer better.

It relates to a heat supply technique by using left vapor heat in the vapor power circulation. It mainly uses two-level or multi-level secondary absorbing heat pump technique with absorption and evaporator, with the exhaust gas as the heat source, environment as the cooling source. The exhaust heat return technique can improve vapor power circulating heat efficiency, with better energy saving benefit, realizing two times heating for desalinated sea water. It can reduce coolant consumption with less pollution.

The invention relates to a steel-plastic composite pipe spraying device, which comprises an electrostatic spraying system for spraying the outer surface of a steel-plastic composite pipe, an inner powder spraying system for spraying the inner wall of the steel-plastic composite pipe, a pre-heating system, a solidifying system, a transportation system and an electric control system for controlling the entire device, wherein the pre-heating system consists of a pre-heating furnace, a pre-heating system fan and a pre-heating system heater, which are connected with the pre-heating furnace; the solidifying system consists of a solidifying furnace, and a solidifying system fan and a solidifying system heater, which are connected with the solidifying furnace; the transportation system consists of a feeding bracket, a discharging bracket, and a pre-heating system transportation track and a solidifying system transportation track, which hare driven by a motor, and a translation bracket for controlling the steel pipe to move among the pre-heating system, the solidifying system, the electrostatic spraying system and the inner powder spraying system, the pre-heating system is arranged behind the feeding bracket, the electrostatic spraying system and the inner powder spraying system are arranged between the pre-heating system and the solidifying system, and the discharging bracket is arranged behind the solidifying system. The steel-plastic composite pipe spraying device has the advantages of reasonable structure, high automation and high efficiency, has good powder spraying effect, can realize the automatic, continuous and stable production, and has good energy conservation and environmental protection as well as good economic benefit.

The present invention provides a single-effect heat pump / double-effect cooling absorption set and a combined heat, electricity and cold supply system, and belongs to the field of afterheat utilizing and refrigerating technology. The integrated single-effect heat pump / double-effect cooling absorption set is mounted in a thermal power plant, and the exhaust of the steam turbine is connected to the high pressure generator of the integrated set and used as the driving energy for heating and refrigerating. The integrated single-effect heat pump / double-effect cooling absorption set operates either in single-effect heat pump mode for heating in winter or in double-effect cooling mode for refrigerating in summer. The present invention has the comprehensive advantages of saving in energy, low power consumption, being environment friendly, etc.

The invention relates to a power plant cooling system which improves the cooling efficiency by a residual heat refrigeration way, in particular to a cooling system which is used for the power plant, carries out the refrigeration by the residual heat of a steam turbine and utilizes the prepared cold water to cool the circular cooling water of the steam turbine further. The cooling system comprises a steam condensed water circulation consisting of a steam turbine, a steam condenser, a condensed water circulation pump and a combustion boiler, and a steam cooled water circulation consisting of a steam condenser, a cooling tower and a cooled water circulation pump. The cooling system is characterized in that a lithium bromide refrigeration unit is added; a high pressure generator of the lithium bromide refrigeration unit is arranged between the steam turbine and the steam condenser so as to lead the steam to become the heat source of the unit; the unit also comprises a refrigerant water tank which can store the cold energy; furthermore, the refrigerant water tank is connected with all air conditioners of the central air conditioning by pipelines; and the refrigerant water tank is arranged between the steam condenser and the cooling water circulation pump so that the refrigerant water is used for supplying the coldness to the central air conditioning or further cooling the circular cooling water of the steam turbine. The cooling system solves the problem that the residual heat of the power plant is cooled and wasted and has the advantages of high cooling efficiency, saving energy, being capable of supplying the cold source for the central air conditioning and the like.

The invention discloses a special ceramic catalyst for denitrification and dioxin removal of flue gas and a preparation method thereof. The special ceramic catalyst is prepared from the following raw materials in parts by weight: 60-90% of titanium dioxide, 3-9% of tungsten trioxide, 0.1-2% of vanadium pentoxide, 1-5% of silica, 0.1-2% of transition metal, 3-10% of glass fiber and the balance of forming agent. The method comprises the following steps: evenly mixing the raw materials; cooling, pre-extruding, extruding, wet cutting, drying, and calcining to obtain the product. The special ceramic catalyst has the functions of denitration and dioxin removal; the entire body has activity, has high denitration efficiency, low SO2 / SO3 conversion rate, low ammonia escape rate, high abrasion resistance, high strength, long chemical service life, long mechanical service life and wide adaptive temperature range, and is free of waste gas in a technical process of production, and small in output of domestic wastewater; and the factory boundary noise value reaches the standard requirement.

The invention relates to a method for measuring and proving saved electric energy volume in an energy-saving project. The method includes that (1) a project boundary and a project evaluation scheme are determined before the energy-saving project is implemented; (2) an energy-saving project standard period is determined, a pre-evaluation mathematic model is built, and relevant component parameters and operating data are collected; (3) the energy-saving project is pre-evaluated, and a pre-evaluation report is formed; (4) an optimal scheme is selected by referencing the pre-evaluation report, and the energy-saving project is implemented; (5) an energy-saving project statistic report period is determined, a post-evaluation mathematic model is built, and relevant component parameters and operating data are collected; (6) post-evaluation is conducted for actual saved electric energy volume, and a measuring and proving report is formed; and (7) saved electric energy volume for a long period is estimated according to the measuring and proving report, and a basis is provided for revision and implementation of an energy-saving project scheme at a later stage. The method has high operability and pertinence and has high practical value and popularization value on energy-saving projects in the field of power demand side management.

The embodiment of the invention relates to the communication field, in particular to a method and a device for controlling energy efficiency of a communication system, a service processing unit and a service processing system. The energy efficiency control method of the communication system provided by the embodiment of the invention comprises the following steps: monitoring the operation of the service processing unit in the communication system; collecting the operation information of the service processing unit, performing forecast process based on the collected operation information; determining the follow-up power consumption of the service processing unit; and adjusting the service processing unit according to the follow-up power consumption of the service processing unit. The technical scheme provided by the embodiment of the invention can lead each service processing unit to consume lower power at small service volume, thus achieving better energy-conservation effect.

The invention discloses a multi-temperature-zone refrigeration system with a vortex tube. A compressor is connected with a first condenser, the first condenser is connected with a gas-liquid separation device, a gas outlet of the gas-liquid separation device is connected with the vortex tube, and a hot end outlet of the vortex tube is sequentially connected in series with a second condenser, a first expansion valve, a first evaporator and a first pressure reducing valve; a cold end outlet of the vortex tube is sequentially connected in series with a second expansion valve and a second evaporator, and the outside of the second expansion valve is parallel to a first bypass valve; a liquid outlet of the gas-liquid separation device is sequentially connected in series with a third expansion valve, a third evaporator and a second pressure reducing valve; an outlet of the first pressure reducing valve, an outlet of the second evaporator and an outlet of the second pressure reducing valve are connected with the compressor after being connected into a circuit. By using the multi-temperature-zone refrigeration system with the vortex tube, the problem that different refrigeration devices are needed for different refrigeration temperatures and storage environments in some occasions such as hypermarkets and the like is solved. Multi-temperature-zone refrigeration is realized by adopting aset of refrigeration system and device through an energy separation effect of the vortex tube, and the system efficiency is increased by utilizing generated heat quantity.

The invention relates to a heat pump circulating system, a drying system, and a respective method. The heat pump circulating system comprises an absorption heat pump circulating subsystem composed of an absorber, an evaporimeter, a generator, and a condenser, a compressor, and a throttle valve, wherein a generating heat exchanger is arranged in the generator; a condensing heat exchanger is arranged in the condenser; the compressor, the generating heat exchanger, the throttle valve, and the condensing heat exchanger are connected in sequence to form a steam compressing type heat pump circulating subsystem. The drying system comprises the heat pump circulating system, a drying chamber, a heater, and a waste heat exchanger. The heat pump circulating system and the drying system provide driving heat sources for the generator of the absorption heat pump circulating subsystem through the electric driven steam compressing type heat pump circulating subsystem, and meanwhile, provide cold sources for the condenser, so that external driven heat sources and cold sources required by a conventional second kind absorption heat pump are not required, and the electric power can be effectively used to realize the promotion for the temperature quality of waste heat or of the temperature pressure of exhausted steam.

The invention discloses a direct evaporation integral heat pipe exchanger, which comprises a condensation end and an evaporation end, wherein the condensation end and the evaporation end are combined and mounted into a whole; the condensation end comprises a wet film, a sprayer, a water tank, an intake air fan and a condensing working medium coil; the intake air fan is positioned between the wet film and the condensing working medium coil; the sprayer is positioned above the wet film; a water inlet of the sprayer is connected with a water outlet of the water tank through a water pipe; the evaporation end comprises an outtake air fan and an evaporating working medium coil; the evaporating working medium coil is positioned on the air outlet side of the outtake air fan; and the condensing working medium coil and the evaporating working medium coil are connected through a connection working medium pipe and are separated through a thermal insulation separation plate. According to the invention, the efficient direct evaporation integral heat pipe exchanger is formed by applying the direct evaporation cooling mode, which has a cooling effect similar to that of the traditional water cooling mode, to a heat pipe system, in this way, air cooled through direct evaporation efficiently cools the condensing working medium coil, and the efficient cooling effect and the high energy saving rate of the integral heat pipe exchanger for indoor air are ensured.

The invention discloses a solar phase-change cold-storage air conditioning system and a control method. The solar phase-change cold-storage air conditioning system comprises a solar photovoltaic powergeneration grid-connected unit, a heat pump refrigerating unit, a phase-change cold-storage temperature-adjusting unit and an air conditioning terminal, wherein the solar photovoltaic power generation grid-connected unit drives the heat pump refrigerating unit, and the heat pump refrigerating unit generates cold energy through operation; water serves as a refrigerant, constant-temperature adjustment is carried out through the phase-change cold storage and temperature adjustment unit, and cooling capacity is continuously and stably provided for the tail end of the air conditioning terminal. The system comprises four operation working conditions including the simultaneous storage and supply working condition, the heat pump cold storage combined supply working condition, the pure storage working condition and the storage and supply working condition. By means of the mode, the solar phase-change cold-storage air conditioning system and the control method combine the heat pump technology,the phase-change energy storage technology and solar energy, the heat flux density can be adjusted at the constant temperature, the effective energy utilization rate is increased, and better energy-saving benefits are achieved; solar photovoltaic power generation is used for supplementing in the daytime peak electricity period, and valley electricity is utilized as much as possible to store cold at night, so that the power grid imbalance is greatly relieved.

The invention discloses a flameless combustion heat accumulating type high-speed combustion nozzle comprising a combustion nozzle body, wherein the combustion nozzle body is internally provided with an air or smoke gas passage, a porous heat accumulator, a combustion cavity, a gas pipeline and an ignition device. The flameless combustion heat accumulating type high-speed combustion nozzle is characterized in that the gas pipeline is connected with a flame combustion gas pipe and a flameless combustion gas pipe, wherein the flame combustion gas pipe is provided with a flame combustion control valve to be controlled; the flameless combustion gas pipe is provided with a flameless combustion control valve to be controlled; the flame combustion gas pipe and the flameless combustion gas pipe areboth communicated into the combustion cavity; and the aperture of a flameless combustion gas spray orifice positioned on the tail end of the flameless combustion gas pipe is shorter than that of a flame combustion gas spray orifice positioned on the tail end of the flame combustion gas pipe. The flameless combustion heat accumulating type high-speed combustion nozzle has high energy utilization efficiency, ensures the uniformity of furnace temperature, also greatly reduce the discharge amount of NOX, protects various pipelines around the combustion cavity from being combusted, effectively prolongs the service life of the pipelines, and can carry out flameless combustion under high temperature, thereby effectively controlling the flame temperature.

Laboratory ventilation is integrated. The HVAC room controller requests changes in the exhaust set point of one or more fume hoods. By allowing the fume hoods to respond to such HVAC requests, the fume hood exhaust may be turned down to a point below the highest level that could be needed. The request may be used to turn the fume hood exhaust back up, so greater energy savings may be possible in non-peak demand operation of the HVAC system.

The invention relates to a multi-split air conditioning system control method based on prediction. The method comprises the steps that firstly, the temperatures and humidity outside a building are predicted, and the space enclosing structure load and the solar radiation load of an air conditioning system are calculated; secondly, the periodic law of the number of people inside the building is predicted; thirdly, the operating time of the air conditioning system is predicted; fourthly, operating parameters including the outdoor unit wind speed, the compressor rotating speed, the refrigerant flow rate, the indoor unit wind speed and wind amount, and the indoor unit flow rate are monitored in real time; fifthly, the temperatures and humidity outside the building, the number of people in the building, the operating parameters and hourly COPs in multiple sampling periods are counted up as a training sample, a statistical or machine learning method is adopted for calculating all characteristic factors, comfort pre-control time and temperatures, and operating parameters corresponding to optimal COPs; and sixthly, the operating parameters corresponding to the optimal COPs in the to-be-controlled time points are predicted, and thus, the system operating parameters and pre-control time are adjusted. According to the multi-split air conditioning system control method based on prediction,the control precision is high, and the control comfort and energy-saving effect are improved.

The invention provides a medium-pressure and low-pressure industrial steam supply method and system through medium-pressure and low-pressure communication butterfly valve adjustment and hot press adoption. The system mainly comprises a turbine high pressure cylinder, a medium pressure cylinder, a low pressure cylinder, a generator, a hot press, a medium-pressure and low-pressure communication pipe butterfly valve, a reheat steam medium pressure cylinder steam inlet pipe, an industrial steam supply outlet pipe and accessories. Reheat steam and medium pressure cylinder exhaust steam can be matched for forming target parameter steam with the pressure between the pressure of the reheat steam and the pressure of the medium pressure cylinder exhaust steam through the hot press; when the load change of a unit is large and the load is lowered obviously, lowering of the pressure of the medium pressure cylinder exhaust steam cannot meet the steam extraction requirement, then the opening degree of the medium-pressure and low-pressure communication pipe butterfly valve is appropriately reduced so that the upstream pressure can be increased for meeting the requirement of the industrial steam extraction pressure, but the throttling loss is large through the method; when the load is lower than a certain value, little reheat steam and the medium pressure cylinder exhaust steam extracted through jetting of the hot press are matched for forming the target steam meeting the industrial steam supply requirement through the system, and therefore the purposes of energy conservation and emission reduction can be realized, and the economical efficiency of utilizing the system is higher than that of throttling by the medium-pressure and low-pressure communication butterfly valve.

The invention discloses a water-based drag reducer and application thereof. The water-based drag reducer comprises the following components in parts per million by weight: 30-200ppm of non-ionic surface active agent fatty alcohol-polyoxyethylene ether, 5-40ppm of defoaming agents or 5-40ppm of organopolysiloxane defoaming agents and 5-30ppm of dodecyl dimethyl ammonium bromide bactericides, wherein the 5-40ppm of defoaming agents or the 5-40ppm of organopolysiloxane defoaming agents are emulsified by using special emulsifiers and taking methyl polysiloxane and nanometer-grade silicon dioxide as main bodies. A method of mechanical kneading with multi-layer fine gauze filtering is adopted for mixed preparation so that the non-ionic surface active agent is dissolved in water in a foamy way; the adding temperature of the drag reducer is 5 DEG C-70 DEG C; when the drag reducer is used in a horizontal pipeline, the energy consumption of a water pump motor is reduced more than 20 percent at the same flow rate; and the increase rate of the water circulating flow rate of the horizontal pipeline using the drag reducer is 10-20 percent. The water-based drag reducer not only changes boundary conditions of the fluid interior and fluid and a pipe wall, but also changes the physical, chemical and mechanical properties of the fluid interior and boundary materials, thereby greatly reducing the resistance of a delivery pipeline and achieving the purpose of electricity saving of the water pump motor; and in addition, the water-based drag reducer and a validation method are scientific, reasonable and practical and open a new way for reducing the energy consumption of a circulating water system.

The invention provides a concentration method in the production process of ferment cordyceps sinensis fungus powder. The method comprises the following steps: S1, injecting a cordyceps sinensis fermenting liquid which is subjected to the removal of 40%-60% of a fermenting mother liquid into a liquid storage tank; S2, turning on a vacuum pump, introducing hot water or water vapor into a heater anda heating pipe, pumping the cordyceps sinensis fermenting liquid into a vacuum rotary film evaporator when the vacuum degree and the temperature reach preset values, starting the rotation of the heater, and turning on a spraying device to carry out ultralow-temperature vacuum continuous concentration; S3, turning on a pneumatic diaphragm pump to automatically control the material feeding and discharging when the volume of the fed material reaches 1 / 2-2 / 3, simultaneously turning on an online automatic detecting device, recording the solid content, the total amino acids and the pH value at regular intervals, and moderately adjusting various concentration technical parameters according to the online detected data; S4, when the solid content or the total amino acids or the pH values reach thecontrol indexes, automatically discharging a concentrated liquid; and S5, drying the concentrated liquid, carrying out crushing, sieving and packaging to obtain a finished product of the ferment cordyceps sinensis fungus powder. The product provided by the invention has high quality and effective components of the product are preserved greatly.

The invention provides a heat network grading heating system using a small steam turbine and an adjusting method thereof which are reasonable in design, reliable in performance and beneficial to achieving recovery and utilization of available energy in a heat supply unit. A thermoelectric unit system comprises an extraction condensing steam turbine, a main condenser, a condensate water pump, an eight-level low pressure heater, a seven-level low pressure heater, a six-level low pressure heater and a five-level low pressure heater. A heat supply system comprises a heat network water return pipe, a heat network water supply pipe, a heat network circulating water pump, a secondary condenser, a hydrophobic heat network heater, a heat network heater, a plant service generator, the pure condensing small steam turbine and a vacuum pumping device. In the heating initial stage or last stage, heat network returning water is conveyed to the secondary condenser to be heated through the heat network water return pipe, then passes through a second heat network water bypass to be conveyed to the heat network water supply pipe, and then is conveyed to a user through the heat network water supply pipe to conduct heating. In the heating high cold stage, the heat network returning water is primarily heated through the secondary condenser, then is subjected to secondary heating through the heat network heater, and then is conveyed to the user to conduct heating.

The invention discloses a double-motor crushing device of a high frequency crushing hammer. The double-motor crushing device comprises a vibration generator, a four connecting rod mechanism and a shaking knife row, wherein the vibration generator comprises a shell, a first driving shaft arranged in the shell, a first driven shaft which is mutually meshed with the first driving shaft through gears, a second driving shaft, a second driven shaft which is mutually meshed with the second driving shaft through gears as well as a bridge crossing shaft arranged between the first driving shaft and the second driving shaft; the bridge crossing shaft is mutually meshed with the first driving shaft and the second driving shaft gears, the first driving shaft, the first driven shaft, the second driving shaft and the second driven shaft are all provided with eccentric wheels and gears. The double-motor crushing device disclosed by the invention has the advantages that as two groups of actuating shafts are adopted and matched with two actuating motors, the crushing force of the crushing hammer actuated by the two actuating motors is large relative to that of the crushing hammer actuated by the single motor, the crushing accuracy is high, the noises are small, and the crushing capacity is strong, thus the operation time of the crushing hammer is prolonged, and the crushing efficiency is improved.

The invention discloses a garbage incinerator. The garbage incinerator comprises an incinerator body with an incineration chamber, a feeding part arranged at the upper portion of the incineration chamber, a discharging part arranged at the bottom of the incineration chamber, and a fire accumulating chamber arranged on the side face of the incinerator body. A communication part is arranged between the fire accumulating chamber and the incineration chamber. A draught fan with an air outlet facing the communication part is arranged at the lower portion of the incinerator body. The garbage incinerator has the beneficial effects of being high in safety, good in energy saving performance, high in energy utilization rate and the like.

The invention relates to trap lamp powder and a trap lamp using the same, in particular to the trap lamp powder used for the trap lamp. The trap lamp powder comprises the following components in part by weight: 70 to 80 parts of full broad-spectrum ultraviolet fluorescent powder, 20 to 30 parts of full broad-spectrum ultraviolet phosphor and 2 to 8 parts of full broad-spectrum rare earth blue phosphor. The invention also relates to a trap lamp using the trap lamp powder and a method for manufacturing the trap lamp coated with the trap lamp powder. The trap lamp of the invention is high in insect alluring efficiency.

The invention discloses clean and environment-friendly straw briquette coal and a preparation method thereof. The environment-friendly straw briquette is processed by adding finish-washed coal, coal slime, gangue, additive and a binder into straw materials and mixing through scientific preparation under action of a certain pressure. The clean and environment-friendly straw briquette coal provides a clean and environment-friendly biological energy source. Compared with raw coal, the clean and environment-friendly straw briquette coal is good in gas permeability, higher in heating efficiency and more sufficient in combustion, so that pollution on environment is reduced.

The invention creatively provides a combined type smart home showing device which comprises a supporting frame, a control box, a solar cell panel, a showing window, a showing curtain, a showing window upper beam, a showing window lower beam, a curtain suspension beam and a top light; a microcontroller, an electronic switch, a storage battery and a charging and discharging circuit are arranged inside the control box; a light sensor is arranged outside the control box; the microcontroller is connected with the control end of the electronic switch, the control end of an electric pan-tilt, the signal output end of the light sensor, the driving signal input end of a showing window driving box and the driving signal input end of the curtain driving box. According to the combined type smart home showing device, solar power supply can be achieved, meanwhile, the storage battery can be charged, the good energy-saving performance is achieved, and turn-on and turn-off of the top light and opening and closing of the showing window and the showing curtain can be intelligently controlled.

A firewood-saving stove mainly comprises a stove panel, a stove body, a stove core, a stove bridge with a crank, a stove ash box and a fire blocking plate with a handle. A stove core base plate is arranged in the stove body, the stove core is movably placed on the stove core base plate, a round hole is arranged at the central position of the stove core base plate, a sealing round pipe is further arranged in the stove body and penetrates through the round hole on the stove core base plate to be placed on the stove ash box, the upper portion of the sealing round pipe is placed in the stove core, and the fire blocking plate with the handle is arranged at the bottom of the sealing round pipe. The stove bridge with the crank is placed under the stove core base plate. The stove bridge position of the firewood-saving stove is good in sealing performance, the firewood-saving stove is convenient to replace and good in applicability, the combustion rate of firewood-saving stove is improved by 30% compared with ordinary firewood-saving stoves, and accordingly optimum energy saving and environment protection effects in the using process are achieved during using.

The invention discloses an intelligent temperature control chair which comprises a chair base, ventilation fabric, strong sponge, an electric fan, electric heating wires, a control system and a temperature sensor, wherein the strong sponge is arranged on a backrest surface of the chair base and the surface of a seat board; the ventilation fabric is arranged on the upper surface of the strong sponge; a ventilation pipeline is arranged between the lower surface of the strong sponge and the electric fan; the electric heating wires are arranged at an air outlet of the electric fan; the temperature controller is linearly connected with the control system. By adopting a mode, the intelligent temperature control chair disclosed by the invention is capable of automatically adjusting the temperature according to a set value, keeping the appropriate temperature and being contacted with human bodies for a long time, and is good in energy conservation, good in conformability and applicable to offices or families.

The invention discloses low light transmittance energy-saving privacy glass and a preparation method thereof. The glass comprises the following raw materials in percentage by weight: 65 to 75 percentof SiO2, 0 to 1.5 percent of Al2O3, 6 to 12 percent of CaO, 1 to 10 percent of MgO, 10 to 15 percent of Na2O, 0 to 5 percent of K2O, and 0.5 to 2.5 percent of porous iron titanium alloy composite powder, wherein the porous iron titanium alloy composite powder takes iron titanium composite metal oxide as a porous matrix, and is formed by impregnating nanometer silicon carbide into holes of the porous matrix through an impregnation method. The method has the advantages that the raw materials are prepared into glass through a floating glass technology, and the obtained glass not only has low ultraviolet ray, infrared ray and total solar energy transmittance and good energy-saving effect, but also has low visible light transmittance, is good in privacy, can be applied to fields of various window glass and building curtain wall glass, is excellent in thermal insulation effect, and achieves obvious cooling, energy conservation and emission reduction effect.

The invention relates to a sludge pyrohydrolysis device and method. The device comprises a tank body, wherein a material inlet is formed in the top of the tank body; a head cover is hermetically connected onto the material inlet; a material outlet is formed in the bottom of the tank body; a material unloading valve is arranged on the material outlet; a plurality of steam pipes are fixedly connected onto the side wall of the tank body with equal intervals; an inlet end of each steam pipe is positioned at the outer part of the tank body, and connected with steam source through a valve; after penetrating the side wall of the tank body, all the steam pipes extend downwards along the inner wall to the bottom of the tank body; an exhaust pipe is fixedly connected to the upper part of the tank body; a decompression valve is arranged on the exhaust pipe.

The invention relates to an anti-down-draft exhaust fume collecting hood for a water heater. The anti-down draft exhaust fume collecting hood comprises an exhaust fume collecting hood body (1) and a check valve (2). The exhaust fume collecting hood body (1) is provided with an exhaust outlet (11) for being connected with an exhaust fume discharging pipe (6). The anti-down-draft exhaust fume collecting hood is characterized in that the check valve (2) comprises a first valve plate (21) and a second valve plate (22) which can shield the exhaust outlet (11) after being in butt joint, and the first valve plate (21) and the second valve plate (22) are hinged to one end of a first connection rod (31) and a second connection rod (32) respectively. A water inlet pipe (8) of the water heater is internally provided with a rotation part driven by water flow to rotate, the rotation part drives the other end of the first connection rod (31) and the other end of the second connection rod (32) through a transmission assembly to move up and down so as to drive the first valve plate (21) and the second valve plate (22) to slide radially, and the exhaust outlet (11) is opened or closed. According tothe anti-down-draft exhaust fume collecting hood, it is unnecessary to consume additional energy, the exhaust outlet can be completely shielded, and the down draft phenomenon of outdoor airflow is completely avoided.

The invention relates to a carbon dioxide air conditioning system for a building and the building with the air conditioning system. The carbon dioxide air conditioning system for the building comprises an indoor heat exchanger, carbon dioxide compressors, ground source heat exchangers and a reversing device. The indoor heat exchanger, the carbon dioxide compressors and the ground source heat exchangers are connected through a carbon dioxide circulation pipeline to form a circulation loop. The reversing device is arranged in the carbon dioxide circulation pipeline. The indoor heat exchanger is arranged in a building floor and / or a wall. The ground source heat exchangers are arranged underground. The carbon dioxide air conditioning system and the building have the beneficial effects that heat of geothermy or earth cooling is circulated to the building through carbon dioxide, and a heat source or a cold source is provided in a heat radiation exchange manner; cost is low, and energy consumption is low; and no pollution exists, and thermal homogeneity is good. The space of the building can be saved, indoor temperature is uniformly distributed, the indoor temperature fluctuation is small, and no blowing feeling or noise exists; and human body comfort and energy-saving benefits are better than those of a conventional air conditioner.