30results about How to "Small amount of construction work" patented technology

The invention relates to an industrial pilot test performance testing device and an industrial pilot test performance testing method for an SCR (selective catalytic reduction) denitration catalyst, aiming to solve the problem that an existing denitration catalyst testing device is incapable of simulating influences of load change on a catalyst during actual running. The industrial pilot test performance testing device comprises a testing device body comprising a gas distribution portion, a reaction portion and a measurement portion, wherein the gas distribution portion is communicated with a gas outlet of a coal economizer, and the reaction portion is communicated with a gas outlet of an air preheater. The testing device body achieves gas distribution and reaction of boiler tail gas through the gas distribution portion and the reaction portion, and the measurement portion is used for collecting and analyzing sample gas. The testing device body is arranged in a boiler tail gas system during actual industrial production, and the boiler tail gas serving as test gas of the testing device body enables flue gas for testing to have physicochemical and process properties of actual flue gas to produce influencing substances, so that reaction between the catalyst in the reaction portion with the flue gas for testing is guaranteed, and accurate and reliable test data are provided for research on running of the existing catalyst under the conditions of different temperatures and flue gas components.

The invention discloses an electrical equipment detection line and detection method based on an automatic guidance carrier vehicle. The electrical equipment detection line comprises a testing site and at least one automatic guidance carrier vehicle. A plurality of testing stations and a central control room are arranged inside the testing site. Different testing instruments are arranged at the testing stations. A center control computer is arranged inside the central control room. The testing instruments at the testing stations are connected with the center control computer in a communication mode. The automatic guidance carrier vehicle carries an electrical equipment sample used for tests and runs among the testing stations according to a certain test procedure under the control of the center control computer inside the central control room, all tests are conducted on the electrical equipment sample carried by the automatic guidance carrier vehicle, and test data obtained by the testing instruments at the testing stations are transmitted back to the center control computer inside the central control room in a communication mode to be collected. Compared with a traditional electrical equipment testing method, the electrical equipment detection line and detection method have the advantages that detection efficiency is higher, and labor intensity of test personnel is lower.

The invention discloses a downward layering horizontal drift high-sublevel filling mining method. The downward layering horizontal drift high-sublevel filling mining method particularly comprises thesteps of division of ore blocks, stope preparation cutting, stoping, stope ventilation and stope filling and so on, and a whole sublevel mine can be mined. The sublevel height is increased, the stoping layer number is increased, the sublevel stoping mine amount is increased, the panel service life can be prolonged, panel mining disorder can be solved, after middle level stope preparation engineering arranging optimization, six sublevels are arranged in the 150 m middle level, the sublevel construction is reduced, the middle level stope preparation engineering amount is reduced by about 3500m/72000m<3>, the mine engineering construction investment is greatly saved, after the sublevel height is increased, the sublevel service life is prolonged, the sublevel digging disorder contradiction isrelieved, and the sublevel engineering construction pressure is reduced.

The invention discloses a method for integral deodorization and sewage treatment of municipal sewage plants. The method comprises the following steps of: erecting a half-sealed gas collection area around or above an odor source, or using a former half-sealed building, and collecting generated odor; and conveying the odor into a submersible jet type aerator through a conveying pipeline, uniformly enabling the mixed odor and sewage to enter an aeration basin through the submersible jet type aerator, and removing fusty matters through adsorption, dissolving and biological degradation. With the adoption of the manner, the method for the integral deodorization and sewage treatment of the municipal sewage plants can be used for simplifying the design, the operation and the management of a deodorization facility, reducing the investment cost and the operation cost, and effectively treating various fusty matters. Furthermore, the method for the integral deodorization and sewage treatment of the municipal sewage plants has a good treatment effect and is very applicable to deodorization updating improvement of the built sewage plants and construction of an integrated deodorization facility of newly built sewage plants.

The invention relates to a building type heat exchanger unit based on energy consumption analysis. The building type heat exchanger unit based on energy consumption analysis comprises a process module, a control module, a data storage module and an energy consumption analysis module. The control module is connected with the process module and the data storage module, and the energy consumption analysis module is connected with the data storage module. The process module is used for executing a heat supply process flow; the control module is used for performing comparison operation on the system operation condition data and a target value to obtain a control instruction to control the heat supply process flow until the target value is reached; the data storage module is used for storing theprocess physical quantities and control instruction data; and the energy consumption analysis module is used for performing energy consumption analysis according to the energy consumption data in theprocess physical quantities to obtain the energy consumption monitoring data for providing support for the control and measurement of energy application quantities. The building type heat exchanger unit based on energy consumption analysis has the advantages of being small in occupied area, flexible in arrangement, flexible in heat supply adjustment, high in sensitivity and quick in response, operation parameters can be adjusted in time according to the heat supply demand of heat consumers, the hydraulic imbalance degree is reduced, and demand-based heat supply is achieved.

The invention provides a process and device for lime calcining by cement kiln tail. The device comprises a cement kiln tail preheating unit, a decomposition furnace, a cyclone separator and a coolingunit. The preheating unit is formed by connection of multistage preheating cyclones, the last-stage cyclone of the preheating unit is replaced by the cyclone separator, and a discharging port of the penultimate-stage cyclone of the preheating unit is connected with a feeding port of the decomposition furnace. An air inlet of the cyclone separator is connected with a strip airflow outlet of the decomposition furnace, a bottom discharging port of the cyclone separator is connected with a feeding port of the cooling unit, and an air outlet of the cooling unit is connected with a conical air inletof the decomposition furnace. The process and the device have advantages of low cement kiln transformation, small floor space, high raw material and fuel adaptability, stability in operation and highproduct quality.

The invention discloses a method for cultivating grafted tree-shaped roses and Chinese roses in outdoor non-greenhouses. 1), selection of grafting time; 2), outdoor grafting; When the wound of the graft and the rootstock is gradually healed, and when the graft starts to grow and the temperature gradually rises, the breathing hole on the bag is slowly expanded according to the growth of the new bud, so that the new bud of the branch is slowly exposed to adapt to the environment outside the bag; 4) Follow-up topping, tiller removal, and water and fertilizer management; through the above outdoor grafting work, the construction cost of the greenhouse can be saved. Through my practice in the past three or four years, it can be cultivated successfully without the use of greenhouse grafting outdoors and the cost is low. more than one-third of the shed.

The invention discloses a low-power-consumption, simple and universal type cable well lid monitoring device which comprises a stroke switch. The stroke switch is arranged on the well wall of the innerlower edge of a to-be-monitored well lid. A well lid state monitoring unit is arranged on the stroke switch. The well lid state monitoring unit is connected with an MCU control unit. The MCU controlunit is connected with a wireless communication unit, a clock unit, a data storage unit, a battery and voltage conversion unit, a power control unit and a debugging serial port. The MCU control unit monitors the opening and closing states of the well lid in real time through a well lid state monitoring unit circuit. The clock unit starts the MCU control unit in a timing manner according to a preset time interval so as to provide power for the wireless communication unit module and the data storage unit, the current well lid state is reported in time through the wireless communication unit, andthe wireless communication unit is connected with a background monitoring center. By means of the low-power-consumption, simple and universal type cable well lid monitoring device, real-time monitoring and timely alarming functions on the cable well lid state are achieved, and the safety protective property on the cable well lid is improved.

The invention discloses a goaf circulating grouting and filling system for treating solid waste. The goaf circulating grouting and filling system comprises a slurrying system, a grouting and filling system and a water resource recovery system, wherein the slurrying system is used for grinding solid waste to be treated into micro-particles with set particle sizes, and mixing the micro-particles with water to prepare slurry with specific concentration; the grouting and filling system is used for injecting the slurry prepared by the slurrying system into a goaf from a high position, the slurry undergoes solid-liquid separation in the process of flowing from the high position to a low position in the goaf by utilizing the filtering characteristic of the goaf and the precipitation characteristic of the slurry, and solid particles precipitate in the goaf, so that the purpose of treating solid wastes is achieved; and the water resource recovery system is used for recovering purified water flowing to the low position in the goaf and conveying the purified water to the slurrying system for slurrying of the solid waste, so that cyclic utilization of water resources is achieved. Compared witha traditional solid waste filling method, the goaf circulating grouting and filling system has the advantages of being small in construction work amount, small in investment, low in cost, small in influence on a mine production system and the like.

The invention provides a ground-proximity wind power generation device. Wind in each direction is collected through wind collecting ports of curved reducing pipes at four sides of a wind collecting box, and the wind speed is improved greatly so that a wind turbine is driven to rotate, and low-speed wind energy can be effectively utilized for power generation. The device can meet the requirement for power generation using ground-proximity low-speed wind energy in vast urban areas, and the power supply shortage in central areas with low wind speed load is solved effectively. In addition, the ground-proximity wind power generation device has the advantages of small work amount of construction, and easy construction, and is also applied and popularized in remote areas as a distributed power generation device.

The invention relates to the technical field of communication towers, in particular to a deck bin body of the communication tower, which is an improvement on the prior art. The deck bin body of the communication tower is characterized by comprising a steel frame structure, a steel plate, a deck layer and a heat insulated layer; the outer later of the steel frame structure is provided with the deck layer; the heat insulated layer is arranged in the steel frame structure; the steel frame structure is provided with the steel plate; and the steel frame structure is connected by bolts. The invention has the advantages that firstly the construction workload of the engineering is smaller, the construction period is shorter and the cost is lower; secondly, the influence on the environment is reduced; thirdly, the integral performance is reliable and the deck bin body has the characteristics of theft prevention, vibration resistance, wind resistance, and the like; and fourthly, the heat preserving and insulating performances are good. The deck bin body has greater market potential.

The invention discloses a steam exhaust device for a direct air-cooling unit. A wet and cool steam condenser is arranged in the steam exhaust device, and the steam side of the wet and cool steam condenser communicates with a steam channel of the steam exhaust device. On the premise of not affecting the original functions, the wet and cool steam condenser is additionally arranged inside the steam exhaust device so that the steam condensation function can be added, and the steam exhaust device with the built-in peak steam condenser is formed. When the steam exhaust device is applied to the direct air-cooling unit, peak steam condensation can be achieved, the technical requirement for steam condensation can be met, neither steam exhaust branches for peak steam condensation nor independent peak steam condensers are required, accordingly, the steam exhaust structure of the direct air-cooling unit can be arranged to be simple and compact advantageously, then the construction work amount, construction difficulty and construction cost of the direct air-cooling unit can be significantly reduced, economical efficiency is good, reliability is high, and practicability is high.