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116results about How to "Short transformation period" patented technology

Concentrated heating system and method

The invention provides a concentrated heating system and a concentrated heating method. The system comprises a temperature controller, at least one receiver, a controller and an intelligent control valve, wherein the temperature controller is arranged for each household and used for setting the demanded temperature of the user, measuring the indoor temperature value, and sending the demanded temperature and the indoor temperature value to the receiver; the receiver is used to receive the demanded temperatures and the indoor temperature values set by all temperature controllers within the coverage range of each receiver and send the demanded temperatures and the indoor temperature values set by all temperature controllers to the controller; the controller is used to receive the demanded temperature and the indoor temperature value sent by at least one receiver and send the demanded temperature and the indoor temperature value sent by the at least one receiver to the intelligent control valve; and the intelligent control valve is used to control the open proportion of a valve of a water inlet pipe of a building according to the demanded temperatures and the indoor temperature values sent by the controller. The concentrated heating system and the concentrated heating method realize transformation of the existing single-tube direct flow-type concentrated heating system to a simple concentrated heating system.
Owner:HAILIN ENERGY TECH

Coal thrower chain boiler for reducing NOx emission through flue gas recirculation

The invention discloses a coal thrower chain boiler for reducing NOx emission through flue gas recirculation. The coal thrower chain boiler comprises a chain grate stoker, a coal thrower, a hearth, a boiler barrel, a coal economizer, an air pre-heater, a dust remover, a desulfurization tower, an induced draft fan, a chimney, a primary air fan, a secondary air fan and a flue gas recirculation air fan. The lower portion of the chain grate stoker is provided with a plurality of primary air chambers. Air is sucked through the primary air fan, then is preheated through the air pre-heater, forms primary air and is fed into all the primary air chambers. The preheated air is extracted from a primary air pipeline by the secondary air fan, forms secondary air and is fed into the hearth and the coal thrower. A flue gas recirculation main pipeline is led out in the position, between the dust remover and the desulfurization tower, of a flue gas pipeline, and the flue gas recirculation air fan is installed in the flue gas recirculation main pipeline. Two recirculation flue gas branched pipelines are connected to the positions, at an outlet of the flue gas recirculation air fan, of the flue gas recirculation main pipeline and are used for feeding recirculation flue gas into the primary air chambers and an inlet of the secondary air fan correspondingly. According to the coal thrower chain boiler for reducing NOx emission through flue gas recirculation, the investment cost is low, the transformation period is short, and NOx emission can be reduced by 50% or above.
Owner:CHINA JILIANG UNIV

Energy saving and emission reduction transformation method for transforming cement cyclone preheater kiln into outside-kiln precalcining kiln

The invention discloses an energy saving and emission reduction transformation method for transforming a cement cyclone preheater kiln into an outside-kiln precalcining kiln. A tertiary air duct (07), an offline calcining combustor (08), a calcining combustor burner (09), a five-stage preheater (10), a fresh air high-temperature fan (11), a normal temperature gas analyzer (12), a tertiary air gate valve (13) and a high temperature gas analyzer are newly built on the basis of an original cyclone preheater rotary kiln line, wherein a new preheater system and an old preheater system serve cement production jointly. The original kiln shutdown duration of eight months is shortened to 2-3 months, the cost of detaching of an old preheater is reduced, raw materials of the old preheater are wholly conveyed into the offline calcining combustor, the in-kiln calcining rate of the raw materials is increased to 90% or over from original 100% of in-kiln calcining through the offline calcining combustor, and the raw materials of the new preheater enter the kiln through an original feed-end chamber. After the cyclone preheater kiln is transformed into the precalcining kiln, 100% of fuel of a kiln head is reduced to 40%, the amount of NOx generated by the kiln head at a high temperature environment is reduced, and the method can quickly change the cement production process and achieve the yield increase, energy saving and emission reduction effects for a cement sintering system.
Owner:BEIJING TRIUMPH INT ENG

Aged mango high-pile grafting method

The invention provides a high-pile variety changing method for aged mango trees, which is characterized in that: 1. in an earlier stage of grafting, an annular ditch which is 30 centimeters wide and 40 centimeters deep is dug on the periphery which is 1 to 1.5 meters away from the root of a mango tree, so as to cut off a root system, reduce the transport of moisture and nutrients and achieve the balance between moisture and nutrients after grafting; 2. a position on the mango tree, which is 0.8 to 1 meter away from the ground, is integrally cut once and for all and is grafted by a cut grafting method; 3. a scion and a pile body are sprayed with carbendazim 2 to 5 days after grafting, and a tree body is brushed with quicklime plus 4-6 mass percent table salt liquid after 7 to 9 days of grafting; and 4. when a new grafted survived treetop grows to 15 to 20 centimeters, the new tree top is pinched in time so as to promote branching and form a tree crown rapidly. The method ensures that the survival rate of grafting and changing the variety of the aged mango trees reaches more than 93 percent; a new tree crown in the second year after grafting can reach more than 2 meters; and single plant can bear more than 8 kilograms of fruits on the average. The method has the advantages of shortening the reformation period of aged mango orchards and improving the economic benefit of the orchards.
Owner:HUAPING COUNTY HUANONG TECH DEV

Series sewage intercepting collection pipe method for treating urban black and odorous water body

The invention discloses a series sewage intercepting collection pipe method for treating an urban black and odorous water body. According to the method, bearing mechanisms corresponding to confluent main pipes are arranged on a river channel revetment, or positions corresponding to the confluent main pipes in a river channel are piled, the bearing mechanisms or piles are used for supporting and jacking the confluent main pipes, a water outlet of each confluent main pipe is communicated with an intercepting branch pipe, an intercepting well is arranged at a water outlet of each intercepting branch pipe, all the intercepting wells are communicated with each other through pipelines to form intercepting main pipes, a water outlet of each intercepting main pipe is communicated with a municipal sewage pipe network, sewage and rainwater intercepted by the intercepting wells are conveyed to the municipal sewage pipe network through the intercepting main pipes, sewage of the municipal sewage pipe network is communicated to a water inlet of a sewage treatment plant for treating the received sewage, and treated effluent is drained into the river channel. The source of the black and odorous water body is treated, and the method is simple, efficient and low in investment cost.
Owner:NANJING UNIV OF TECH

Communication transfer electric control boards, household appliance and household appliance control system

The invention provides communication transfer electric control boards, a household appliance and a household appliance control system. A communication transfer electric control board comprises an interface circuit which is used for accessing a Wi-Fi communication module and carrying out data instruction interaction with the Wi-Fi communication module, wherein a data instruction is configured as aninstruction capable of being analyzed by the Wi-Fi communication module; and a control circuit which is used for converting the data instruction and a control instruction, wherein the control instruction is configured as the instruction capable of being performed by the household appliance, and the control instruction is also configured to feed back an operation state of the household appliance.The data instruction sent by the Wi-Fi communication module is transmitted to the household appliance through the interface circuit and the control circuit in sequence. The control instruction sent bythe household appliance is transmitted to the Wi-Fi communication module through the control circuit and the interface circuit in sequence. Through application of the technical scheme provided by theinvention, a conventional air conditioner can be modified with low cost in the short term, the air conditioner is enabled to have a Wi-Fi communication function, a communication mode is expanded, andcommunication reliability and use experience are improved.
Owner:WUHAN REFRIGERATION EQUIP OF MIDEA GROUP +1

Cooling and white smoke eliminating device and method for circulating slurry for desulfurizing tower of thermal power plant

The invention discloses cooling and white smoke eliminating device and method for circulating slurry for a desulfurizing tower of a thermal power plant, and belongs the fields of the flue gas purification and the white smoke elimination of utility boilers and metallurgical coking and relevant industrial boilers, and the like. The side surface of the bottom of the desulfurizing tower in the deviceis provided with electric butterfly valves; the electric butterfly valves, slurry circulating pump inlet pipes, slurry circulating pumps, a slurry cooler, a slurry jetting and boosting device, a slurry circulating pump outlet pipe and top-layer spray layers are connected in sequence. The device can be used for reducing the water replenishing amount of the desulfurizing tower, is used for decreasing the moisture content of flue gas, and is used for further eliminating white smoke. Meanwhile, the invention also provides the cooling and white smoke eliminating method for the circulating slurry for the desulfurizing tower of the thermal power plant. The latent heat of vaporization in the flue gas is recovered; the heat loss of the smoke exhausted from a boiler is further decreased; the moisture carried in the flue gas is reduced; the water resource is saved, and the white smoke from a chimney outlet is eliminated.
Owner:CHINA HUADIAN ENG +1

Biochemical pool MBBR process and denitrification deep-bed filter tank coupled nitrogen and phosphorus removal system and method thereof

The invention relates to a biochemical pool MBBR process and denitrification deep-bed filter tank coupled nitrogen and phosphorus removal system and a method thereof. The system comprises a biochemical pool and a secondary sedimentation tank. The biochemical pool is divided into at least two chambers. In the chamber close to the outlet are arranged several suspended fillers. The denitrification deep-bed filter tank is located downstream the secondary sedimentation tank. The denitrification deep-bed filter tank comprises a flocculation basin, inside which a stirring mechanism is arranged and the top of which is provided with a carbon source dosing mechanism and a flocculating agent dosing mechanism. A water inlet main canal is connected downstream, and an intake gate is arranged in the water inlet main canal. A filter grid is arranged downstream. An intake canal is connected under the filter grid. A filter tank is arranged under the intake canal. Inside the filter tank, a filter layer,a supporting layer, a filter board and a filter head disposed on the filter board are successively arranged from top to bottom. The denitrification deep-bed filter tank also comprises a backwashing fan and a backwashing water pump. The outlet of the backwashing fan extends through a pipeline to the supporting layer, and the outlet of the backwashing water pump extends through a pipeline into the filter tank below the filter board. The pipelines are all provided with a control valve. The system of the invention can perform denitrification and physical interception to remove phosphorus.
Owner:浙江中昌水处理科技有限公司

Production line used for gluing and edge covering of automobile door cover

The invention discloses a production line used for gluing and edge covering of an automobile door cover. The production line comprises a gluing production line and an edge covering production line which are in mutual butt joint, wherein the gluing production line comprises a combining platform; one side of the combining platform is provided with an inner plate tetrahedron rotating platform, a glue gun, a six-axis fixed robot and an inner plate gripper storing frame; the other side of the combining platform is provided with an outer plate positioning platform, a combining platform switching storage region, an outer plate seven-axis robot and an outer plate gripper storing frame; the edge covering production line sequentially comprises a special pre-edge-covering machine, a pressing machine and a special inner edge covering machine; a buckling gripper storing frame and a buckling seven-axis robot are arranged between the special pre-edge-covering machine and the pressing machine; an assembly seven-axis robot and an assembly gripper storage frame are arranged between the pressing machine and the special inner edge covering machine; the special pre-edge-covering machine is located behind the combining platform. The production line has the beneficial effects that gluing and edge covering processes of a plurality of types of automobile door covers are automatically finished by the machine; the quality of the product is stable and reliable, the automation degree is high and the commonality is strong.
Owner:XIAMEN AEROSPACE SIERT ROBOT SYST CO LTD

Inorganic ceramic membrane module

The invention discloses an inorganic ceramic membrane module. The inorganic ceramic membrane module comprises a filter cartridge, an upper end cover positioned at the upper end of the filter cartridgeand a lower end cover positioned at the lower end of the filter cartridge, and a liquid inlet is formed in the side surface of the lower end of the filter cartridge; a liquid outlet is formed in theside surface of the upper end of the filter cartridge; a water production port is formed in the upper end cover; a drain outlet is formed in the lower end cover; and the filter cartridge is a cylinder, an inorganic ceramic membrane element is arranged in the filter cartridge, the inorganic ceramic membrane element comprises a flat sheet membrane group positioned in the middle and an arc-shaped membrane positioned on the side surface of the flat sheet membrane group, and the length extending directions of the flat sheet membrane group and the arc-shaped membrane are the same as the extending direction of the filter cartridge. According to the inorganic ceramic membrane module, the plate type ceramic membrane can be applied to an ultrafiltration system, the advantages of the ceramic membraneare fully utilized, and the existing hollow fiber membrane module is replaced with low cost and large area, so that the aims of improving the stability of the system, reducing the operation cost andprolonging the operation life of equipment are fulfilled.
Owner:SUZHOU NUCLEAR POWER RES INST +3

Three-dimensional rotary net-shaped contact body device, biological rotating disc tank and sewage treatment equipment

The invention discloses a three-dimensional rotary type net-shaped contact body device, a biological rotating disc tank and sewage treatment equipment, and relates to the technical field of environmental protection equipment. The three-dimensional rotary type net-shaped contact body device comprises a rotating disc body and a biological contact disc, wherein the biological contact disc is arrangedon the rotating disc body; the rotating disc adopts a welding structure, is made of high-strength low-alloy structural steel materials and is high in strength and long in service lifetime; a supporting shaft adopts a hollow stainless steel pipe welding structure, and is light in weight and high in strength; the biological contact body is axially fixed in a manner of compressing a connecting discwith internal and external threads, so that the biological contact body is more reliable in connection and convenient to disassemble, assemble and maintain. The biological rotating disc tank comprisesa tank body and a biological rotating disc, wherein a mixed solution is arranged in the tank body, bacillus is in the mixed solution, one part of the biological rotating disc is immersed in the mixedsolution, and the other part of the biological rotating disc is exposed in the air; the biological rotating disc comprises a main shaft and a membrane, and the membrane is of a three-dimensional netstructure and adsorbs the bacillus; a driving mechanism is connected to one end of a main shaft of the biological rotating disc and used for driving the main shaft to rotate.
Owner:青海洁神环境科技股份有限公司

Rotary drilling rig and rotating system thereof

PendingCN108487855ALarge braking torqueAlleviate the left and right swing of the upper bodyConstructionsBrake actuating mechanismsBrake torqueReducer
The invention provides a rotary drilling rig and a rotating system thereof. The rotating system comprises a rotating motor, a rotating speed reducer, a main rotating brake and an auxiliary rotating brake; the main rotating brake is arranged in the rotating motor or the rotating speed reducer; the auxiliary rotating brake is connected with the output end of the rotating motor and the input end of the rotating speed reducer; and the auxiliary rotating brake and the main rotating brake provide braking torque simultaneously, so that an upper vehicle body of the rotary drilling rig is in a locked state. According to the rotary drilling rig and the rotating system thereof, one auxiliary rotating brake is additionally arranged between the output end of the rotating motor and the input end of therotating speed reducer, thus the auxiliary rotating brake and the main rotating brake are utilized to provide the braking torque simultaneously, the rotating braking torque of a whole vehicle is increased, the problem of accurate positioning of rotating of the drilling rig is solved, and the problem of left-right swinging of the upper vehicle body under the locked state of the upper vehicle body of the drilling rig during construction is relieved; and during reconstruction, the upper vehicle body with a special crawler chassis does not need to be changed, and thus the cost is reduced.
Owner:BEIJING CSR TIMES LOCOMOTIVE & ROLLING STOCK MECHANICS

Pavement multi-hammer rubblization construction method

The invention discloses a pavement multi-hammer rubblization construction method. The pavement multi-hammer rubblization construction method comprises the following steps of (1) preparation before construction is performed; (2) trial pavement section setting is performed; (3) MHB crushing is performed; (4) compaction is performed; (5) bituminous seal is performed, specifically, emulsified bituminous seal is immediately constructed to pavement after the compaction, the solid content of emulsified asphalt is controlled to be 50%-55%, the using amount of the emulsified asphalt is 2.0-3.5kg/m<2>,then aggregate materials are evenly perfused on the surface of the emulsified bituminous seal, wherein the particle diameter of the aggregate materials is 4.75-9.5mm, Los Angeles abrasion loss is lessthan or equal to 28%, water absorption is less than or equal to 2.0% and silt content is less than 3%, and finally a pneumatic-tired roller is used for rolling compaction of the pavement for 2-4 times. The pavement multi-hammer rubblization construction method can realize full collection of parameters of the pavement, performs adjustment and monitoring in time, performs timely adjustment for different pavement conditions, performs various types of pavement rubblization construction, and has a stable crushing effect, good economic benefits and broad market promotion value.
Owner:广西驰胜农业科技有限公司

An integrated transformation method for reducing pollutant emissions from circulating fluidized bed boilers

The invention discloses an integrated modification method for reducing pollutant emission of a circulating fluidized bed boiler. The modification method comprises the following steps: modifications on a screen type heating surface, a material return system, an air distribution system, a secondary air nozzle system, a slag cooling system and a desulfurizer adding system. Through the modifications, the concentration of SO2 and NOx in smoke is finally reduced to 30-70% of that before modifications, the fly ash concentration is reduced to 70-90% of that before modifications and the environmental protection characteristic of boiler operation can be remarkably improved without adding new equipment. The integrated modification method has the advantages of being small in investment cost, short in modification period and stable in boiler operation; at the time the integrated modification is performed, the problems existing in arrangement of the original heat surface, a funnel cap, a separator, a slag cooler and a lime stone transmission system of the boiler can be synchronously solved, and therefore the economy, stability and safety performance of boiler operation are comprehensively improved.
Owner:HUANENG CLEAN ENERGY RES INST
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