32results about How to "Running energy saving and environmental protection" patented technology

The invention relates to a public wireless communication network-based intercom system, a registration and control method thereof. The intercom system comprises public communication terminals and private communication terminals accessing to a public wireless communication network respectively, wherein each public communication terminal consists of one or more management units and one or more doorphones; each private communication terminal consists of one or more communication terminals of an indoor unit of each unit owner and / or a mobile phone and / or a PSTN public telephone network; and the management unit and the door phone are provided with registration information used for realizing communicating junction between each public communication terminal and each private communication terminal, and among the public communication terminals respectively. The intercom system has the advantages of low cost, maintenance-free system networks, flexible networking, rich functions of indoor unit type, convenient selection for the owner, convenient system upgrade, convenient introduction of a third-party service and the like.

The invention relates to the field of aeronautical engineering dynamics, and discloses a modular closed low-speed DC wind tunnel, which includes a tunnel structure and a power system. The tunnel structure includes a tunnel bracket, and the tunnel bracket is sequentially provided with an air intake section and a test section. and the expansion section; the power system includes the fan, the mobile slide rail and the power support; the hole structure and the power system are connected through the mobile slide rail; the two sides of the outer wall of the fan are respectively welded with the fan connection lugs, and the fan connection lugs are connected to the mobile slide. The rail bolts are connected; the upper surface and the lower surface of the moving slide rail are respectively provided with several through holes, and the moving slide rail is connected with the power support. The overall structure of the present invention has the characteristics of modularization, reliable and stable performance, very convenient and quick operation, high practicability and adaptability, both the cave structure and the power system adopt independent movable brackets, which are light in weight; the operation vibration is small, the noise is low, The cave wall adopts a streamlined design that meets aerodynamic requirements, and the overall operation is more energy-saving and environmentally friendly.

A water source heating station is used for heating aquaculture water and comprises a water source evaporator. The water source evaporator is provided with a liquid inlet end and a liquid outlet end, a gas and liquid separator, a compressor, a water source condenser, a liquid storage device and an expansion valve are sequentially arranged between the liquid outlet end and the liquid inlet end, refrigerating liquid circulation is formed integrally, a first water inlet and a first water outlet are arranged on the water source condenser, a second water inlet and a second water outlet are arranged on the water source evaporator, the first water inlet and the first water outlet are connected with the aquaculture water, the second water inlet and the second water outlet are connected with an external water source, the external water source flows to the evaporator, refrigerating liquid in a coil tube of the evaporator is evaporated to absorb heat from the external water source, after absorbing heat, the refrigerating liquid continues flowing to the water source condenser to heat the aquaculture water, the aquaculture water can be continuously heated through the circulation so as to meet the requirement on water temperature of the aquaculture water, and the water source heating station is high in energy efficiency ratio and is energy-saving and environment-friendly during running.

A chain type environment-friendly double-drum biomass particle gasifying burning hot-water boiler comprises a furnace, an upper chain grate drum and a lower chain grate drum. A pre-heating burning closed arc-shaped arch, a pre-heating burning net-shaped arc-shaped arch wall, a high-temperature radiation burning arc-shaped arch wall, a high-temperature radiation burning closed top arch connected with the tops of the pre-heating burning net-shaped arc-shaped arch wall and the high-temperature radiation burning arc-shaped arch wall, an arc-shaped smoke return arch and a convection residue-depending burning arc-shaped hearth are sequentially arranged in the furnace from the front. A smoke-return high-radiation inclined elongated heated arch is arranged on the upper portion of the convection residue-depending burning arc-shaped hearth. The upper drum and the lower drum are arranged on the back of the furnace and are connected by a heated pipe beam. Heated water-cooling wall pipes are distributed on two sides of the furnace, and the upper ends and the lower ends thereof are respectively connected with an upper heated water circulating pipe and a lower heated water circulating pipe connected with the upper drum and the lower drum. A high-radiation heated pipe is arranged below the high-radiation heated arch and connected with the lower drum. The chain type environment-friendly double-drum biomass particle gasifying burning hot-water boiler can burn gas and tar sufficiently and overcome the difficulty of blocking of a flue and the pipe beam, and is safe, reliable, energy-saving, environment-friendly and long in service life.

The invention discloses a heat pump normal-pressure single-effect evaporator and its use method. A water supply pipe is connected at the bottom of one side of the heat pump unit, and the end of the water supply pipe far away from the heat pump unit is connected to a hot water buffer tank. The hot water inlet pipe is connected to the top position of one side of the heat pump unit. Pipe, cold water supply pipe, cold water circulation pump, cold water pipe valve, cold water buffer tank and cooling water inlet pipe can generate hot water and cold water to heat the evaporation raw material and condense the exhaust gas, so that the system is under normal pressure. The low-temperature evaporator does not involve pressurization and vacuuming, which makes the operation of the system more stable. At the same time, because the whole system is in a normal pressure state, people can empty and slag the evaporation tower at any time, and can also clean the nozzles in the tower at any time. Clean or replace.

The invention relates to a continuous production process of benzoic acid. The continuous production process comprises the following steps: (1) introducing toluene liquid and a catalyst; (2) introducing air, wherein the air reacts with the toluene liquid in the presence of a catalyst; (3) controlling temperature; and (4) discharging benzoic acid, and meanwhile, feeding through a feed opening of a reaction tower to realize continuous reaction. Devices used in the process include a reaction tower, a cooling device, an oil-water separator and an absorption tower, wherein a gas-liquid distribution stirrer is installed on the bottom of the reaction tower, two tubular heat exchangers are arranged at the middle part of the reaction tower, and a benzoic acid discharge opening in the upper part of the reaction tower is connected to a benzoic acid flash column. The continuous production process of benzoic acid and the device thereof provided by the invention can be used for improving the selectivity of the catalyst to the benzoic acid product, the gas-liquid mixing and heat exchange and realizing continuous production, thereby reducing the energy consumption in the process, continuously producing low-pressure vapor, improving the product quality and yield, decreasing by-products and reducing the production cost.

The invention discloses a microbial electrochemical reactor for fixing carbon dioxide in exhaust gas to generate organic products and simultaneously processing sewage and a method thereof. The microbial electrochemical reactor comprises a microbial electrogenesis room, a microbial synthesis room and a CO2 fixation room which are arranged successively. The microbial electrochemical reactor also comprises a cation exchange membrane arranged between the microbial electrogenesis room and the microbial synthesis room and an anion exchange membrane arranged between the microbial synthesis room and the CO2 fixation room. The microbial electrochemical reactor also comprises a microbial electrogenesis electrode, a microbial synthesis electrode and a Cu2O electrode which are correspondingly arranged inside the microbial electrogenesis room, the microbial synthesis room and the CO2 fixation room, wherein the microbial electrogenesis electrode and the microbial synthesis electrode form a circuit, and the microbial electrogenesis electrode and the Cu2O electrode form a circuit. The microbial electrochemical reactor also comprises an air pump connected to the CO2 fixation room and a pH online regulation device. According to the invention, carbon dioxide in industrial exhaust gas can be fixed to generate isobutanol and 3-methyl-1-butanol while sewage is degraded.

The invention discloses a combined artificial wetland based on solar oxygenating intermittent aeration. The combined artificial wetland comprises an upstream vertical flow artificial wetland and a downstream vertical flow artificial wetland which are communicated with each other through a siphonage pipeline, wherein a wall body is arranged around the artificial wetland; sampling openings are formed in one side of the wall body at equal intervals, and a gravel layer, a volcanic layer, a mixed substrate layer and a grit layer are sequentially arranged in each of the sampling openings from bottom to top; emergent aquatic plants are planted in the mixed substrate layer; a solar battery panel is arranged on the top of the wall body of the artificial wetland through a bracket which is connected with an aerating pump, the air outlet of the aerating pump is connected with one end of an aerating pipe while the other end of the aerating pipe penetrates through the wall body and is arranged in the volcanic layer, and a gate valve and a gas flowmeter for controlling the aerating quantity are arranged on the aerating pipe. The artificial wetland disclosed by the invention by way of intermittent aeration is high in decontamination capability and has the advantages of being energy-saving, environmentally friendly, high in sewage purifying capacity, cost-lowering, high in efficiency and the like.

The invention discloses a fuel gas mixer of an engine and a hot-pressing installation method of cam structures. The fuel gas mixer comprises a shell (6), a pressing cover (2) and a throttle valve plunger assembly; the throttle valve plunger assembly comprises a throttle valve plunger (10), left and right guide columns (12) and an oil needle (4), the throttle valve plunger (10) is provided with a plunger air hole (14) and forms a rotary valve with a venturi pipe (3), the oil needle (4) is fixed to the throttle valve plunger (10), and the left and right guide columns (12) are symmetrically fixed to the two sides of the throttle valve plunger (10); the shell (6) is fixedly provided with the cam structures (13), the left and right guide columns (12) are arranged on the cam structures (13), and springs (11) are arranged between the throttle valve plunger (10) and the pressing cover (2); the shell (6) is fixedly provided with a main spraying pipe (5), the main spraying pipe (5) extends into a plunger throat (18) of the throttle valve plunger (10), and a pointer valve of the oil needle (4) and the main spraying pipe (5) are matched for forming a fuel gas valve. According to the structure, the fuel gas mixer has the advantages that the structure is simple and reasonable, the operation is stable, use is safe, the noise is low, the air-fuel ratio is good, the low-temperature starting performance is good, and the environment protection performance is good.