96results about How to "No operating costs" patented technology

The invention discloses a whole-process low-nitrogen combustion technology applied to a cement kiln for reduction of the cement kiln NOx discharge quantity. Preheaters, a decomposing furnace, a rotary kiln, a coal injection pipe, a tertiary air pipe as well as pulverized coal and raw material feeding of a kiln system are taken as a whole for systematic control, a user starts from inhibition of generation of NOx and reduction of generated NOx to scientifically and reasonably adjust and control the quality of the rotary kiln, the quality of decomposing furnaces, the quality of fuel, the mass of the fuel, reasonable distribution of a combustion device and combustion-supporting air and the like, and the temperature field and the atmosphere field of the kiln are systematically controlled. The technology mainly comprises a cooling machine (1), the rotary kiln (2), a kiln head pulverized coal combustion device (3), the decomposing furnace (4), a kiln tail pulverized coal combustion device (5), the tertiary air pipe (6), an air dividing pipe (7) of the tertiary air pipe (6), a fourth-stage suspending preheater (8), a fifth-stage suspending preheater (9) and a discharging pipe (10), wherein the rotary kiln (2) comprises an oxidation zone (11) and a reduction zone (12), and the decomposing furnace (4) comprises an oxidation zone (13) and a reduction zone (14).

The invention discloses an ecologically harmless treatment system of excrement and domestic sewage. The treatment system mainly comprises a septic tank, wherein, the septic tank is connected with a silting acidification tank, an anaerobic fermentation tank and an ecological treatment tank in sequence through a connecting pipe of a box body; the septic tank, the silting acidification tank and the anaerobic fermentation tank are provided with respective upper covers; and an elastic filler is arranged in the anaerobic fermentation tank. Based on the design of the tanks, the tanks can effectively treat the excrement, and the discharged sewage after the treatment can meet the second-class standard of the state. The first two tanks of the treatment system perform the fermenting and sterilizing functions and the septic function; the last four tanks are the silting acidification tank, the anaerobic fermentation tank, a filtering wetland tank and a water outlet tank. The treatment system utilizes anaerobe to ferment and decompose organic matters, and promotes the decomposition of facultative microorganism through the filtration, root interception, sorption, absorption, and photosynthesis and oxygen transportation of plants, so as to efficiently purify the sewage.

An energy-saving control system of centralized heat supply on public building comprises internal net circulation unit set for making hot water in external net be circulated in internal net, temperature transducer for collecting temperature data, electronic temperature controller connected to temperature transducer and used for controlling motor driven regulation valve, and electrically operated regulation valve for controlling flow rate of returning water.

The invention discloses a method for treating sewage of scattered village peasant households by aquatic animal and plant purification pond, and belongs to the technical field of environment protection. The method mainly aims at the difficult problem of water pollution caused by sewage discharge from scattered village peasant households in south rural areas of China, based on surrounding topographic conditions of villages, creeks or ponds, to which sewage of scattered peasant households is discharged, are used as treatment carriers, and by planting aquatic plants, adding benthonic animals and arranging artificial seaweeds, a purification pond based on aquatic animals and plants and artificial seaweeds is built. The treatment method can realize in-situ sewage purification without building sewage collection pipe networks and sewage treatment facilities, not only has good treatment effect and low cost of construction, but also spends no operating cost, occupies no cultivated land, is convenient to maintain and has remarkable benefit of ecological environment.

The invention refers to a compound double-grade smoke desulfurizing and dust eliminating process which can desulfurize sulfur and eliminate dust effectively. It is made up of the first, the second and the third parts: the first part is ceramics multi-pipe dust catcher or electrostatic dust catcher, it carries on the first grade dust eliminating, it eliminates 90-99% dust in the smoke; the second part is venturi drying and absorbing tower, the sulfur in smoke reacts with desulfurizing liquid and is absorbed, realizes the first grade desulfurizing; the third part is bag desulfurizing and dust catcher, it eliminates the resultant in desulfurizing reaction and carries on secondary dust eliminating to the tiny particles in smoke.

The invention provides a preparation method of a visible sulfanilamide molecular engram detection membrane. The preparation method comprises the following steps: 1, preparing nano-crystalline cellulose; 2, synthesizing a sulfanilamide resin engram precursor polymer; 3, preparing a chiral nematic sulfanilamide molecular engram composite membrane; 4, preparing the visible sulfanilamide molecular engram detection membrane. In the preparation method, the liquid crystal cellulose being wide in source is taken as a detection substrate, and is subjected to room-temperature evaporation to assemble a regular nematic membrane structure; a molecular imprinting technology has a selective identification characteristic; a complex microcosmic signal is converted into a macroscopic visible signal to be applied to detection of pollution target molecules.

The invention discloses a constructed wetland and plant pond joint treatment system for tail water advanced treatment. The constructed wetland and plant pond joint treatment system comprises a surface flow constructed wetland, a first-stage plant pond and a second-stage plant pond, which are arranged in a stepped manner from top to bottom, wherein water-distributing water level adjusters are respectively arranged between the surface flow constructed wetland and the first-stage plant pond, and between the first-stage plant pond and the second-stage plant pond; an aquatic plant is planted into the surface flow constructed wetland; and water surface plants and riparian plants are planted into the first-stage plant pond and the second-stage plant pond. The constructed wetland and plant pond joint treatment system runs by completely utilizing an automatic-flow manner, does not generate the operating cost, is simple in management and maintenance, and has high application value.

The invention discloses an unpowered mixing and low temperature resistant biochemical treatment device for rural (community) sewage mud liquid, and the device includes a floating precipitation separation pool, a baffle mixed fermentation pool and an efficient biochemical treatment pool. The middle of the floating precipitation separation pool is communicated with the baffle mixed fermentation tank through a stream guidance tube, the upper part of the baffle mixed fermentation tank enters into the bottom of the efficient biochemical treatment pool through a three-way stream guidance tube, and the upper part of the efficient biochemical treatment pool through a stream guidance tube enters into a depth treatment facility or external environment. The baffle mixed fermentation tank is provided inside with a baffle plate, and stereo elastic packing suitable for biological biofilm culturing is suspended in the efficient biochemical treatment pool. The invention optimizes the process of a traditional three-case septic tank, extends the residence time of waste water, improves the degree of mixing of sewage and activated sludge, utilizes the geothermal to improve the treatment effect of sewage in winter, and has the characteristics of low cost, low operation cost, high efficiency, and easy popularization.

The invention belongs to the technical field of China grain reserve quality inspection and discloses a China grain reserve quality inspection center laboratory data management system and a computer program. The China grain reserve quality inspection center laboratory data management system comprises a sample management module, a detection data management module and a report management module. In the prior sample warehousing process, after samples reach, information is input manually, unclear handwriting is generated and also needs to be checkedddddd, and approximate 60 to 80 samples are warehoused in one day; and currently, input of sample information is implemented only by electronic scanning, and 100 to 200 samples are warehoused in one day. In the circulating process of the samples, numbers are divided into sampling numbers and detection numbers; moreover, a specially-assigned person takes charge of auditing all the sample information and detection results; a fault is difficult to generate; after the fault is found, the responsibility is also clear; and security is high. The detection results are automatically summarized, automatically judged and automatically printed, so that an error rate of a report is reduced to 0.1% from 0.5%. Detection data is stored in a form of electronic encryption so as to ensure that the data cannot be tampered artificially and has an infinite storage life. A detection result database is stored in a server and can be convenient to examine and approve and inquire at any time by a China grain reserve intranet.

The invention provides a totally-enclosed bulk material bin capable of moving and belongs to the environmentally-friendly field. The totally-enclosed bulk material bin comprises a left side unit bin capable of freely moving, one or more middle unit bins capable of freely moving and a right side unit bin capable of freely moving, wherein other bin surfaces of the left side unit bin are enclosed, and the right side of the left side unit bin is not enclosed; and other bin surfaces of the middle unit are not enclosed, and the left side and the right side of the middle unit are not enclosed. Other bin surfaces of the right side unit bin are enclosed, and the left side of the right side unit bin is not enclosed; each unit bin consists of a plurality of bilaterally-symmetrical arc-shaped spanned main body structure trusses; the two sides and the middle part of each main body structure truss are connected by longitudinal purlines, and a bin surface enclosing material is paved on the upper surface of each main body structure truss. According to the totally-enclosed bulk material bin capable of moving, the construction cost can be reduced by 70%, the appearance is attractive, the service life is more than 20 years, and the daily operation maintenance cost is avoided.

The invention discloses a secondary air system for a waste incineration boiler, and belongs to the technical field of combustion equipment and combustion manners. The secondary air system comprises the boiler, a smoke recirculating pipe, a cold air pipe, a secondary air main pipe, a secondary draught fan, a front secondary air pipe, a rear upper secondary air pipe and a rear lower secondary air pipe. The smoke recirculating pipe is arranged at an outlet of the boiler; one end of the secondary air main pipe is connected with the smoke recirculating pipe and the cold air pipe, and the other end of the secondary air main pipe is connected with the front secondary air pipe, the rear upper secondary air pipe and the rear lower secondary air pipe; and the secondary draught fan is arranged on the secondary air main pipe. Cold air or smoke can be independently used in secondary air in the system, the cold air and the smoke can also be used at the same time according to a certain proportion, the smoke and air mixing condition in a hearth can be better improved, and the oxygen concentration of a hearth area is controlled. After the secondary air system is adopted for the boiler, the emission of NOx in the smoke can be reduced by about 30%, and the secondary air system has the beneficial effects of being simple in structure, convenient to install and maintain, free of operation cost and the like.

The invention relates to an automatic cleaning device for a barren mountain photovoltaic power station assembly. The automatic cleaning device is particularly suitable for efficiently cleaning variousphotovoltaic module matrices of different lengths and heights in a large-sized barren mountain photovoltaic power station. The automatic cleaning device for the barren mountain photovoltaic power station assembly comprises a device shell, an electromechanical automation part and an automatic control part. The electromechanical automation part comprises a travelling part and a cleaning part and can conduct comprehensive cleaning according to the surfaces of photovoltaic modules. The automatic control part comprises a handling part and a power supply part so that full-automatic accurate controlof the cleaning part and the travelling part can be realized. The automatic cleaning device is automatic, miniaturized, portable and capable of being moved conveniently. Photovoltaic module frames can be used as tracks, efficient dust removal can be carried out on heavy-grade, multi-angle and dispersedly-installed matrices of the different heights in the large-sized barren mountain photovoltaic power station, and safety, stability and reliability are achieved. The technical problems that automatic cleaning cannot be achieved in the large-sized barren mountain photovoltaic power station in theprior art, efficiency is low and cost is high are effectively solved.

The invention discloses an automatic time calibration device and method. The device comprises a clock module for displaying current time, a wireless data transmission module for acquiring GPS time bya CDMA telecommunication system type mobile data network, a CPU module being connected with the clock module and the wireless data transmission module and being used for calibrating the current time based on the GPS time, and an LED display screen being connected with the CPU module and being used for displaying calibrated time. According to the device or method, the GPS standard time can be obtained indirectly and freely from the CDMA base station to realize automatic time calibration.

The invention relates to a multi-element drinking water purifier, which belongs to the technical field of food hygiene equipment. The technical proposal includes a drinking water container, a non-drinking water container, a first filter, a second filter, a mineralization filter, a drinking water faucet, and a non-drinking water faucet. The raw water that needs to be purified is poured into the non-drinking water container. After the comprehensive purification treatment of the first filter, the second filter and the mineralization filter, the harmful components in the raw water are removed. The effluent not only meets the national drinking water standard, but also The water supplements a variety of macro elements and trace elements needed by the human body, and long-term drinking is beneficial to health. The entire purification and mineralization process does not consume energy, does not require management, does not use additives, and has no operating costs. It is suitable for household drinking water purification and can effectively solve the problem of drinking water safety in rural areas.

A relay type water-saving system with remarkable water-saving effect and low fabrication cost is suitable for vast scale popularization and application. The relay type water-saving system collects tap water which has been used once but is still clean, to temporarily store in a special water storage tank, and a water outlet located at the bottom of the water storage tank supplies water for the water use equipment. The water storage tank has a kernel function of a connecting link between the preceding and the following in the relay type water-saving system, thereby being called as a relay tank. Due to the existence of the relay tank, the water use ratio is obviously improved, the relay type water-saving system has remarkable water-saving effect, and is suitable for vast scale popularization and application in dweller domestic water equipment and public place toilets.

The invention discloses a digital intelligent scale-removing device, belonging to the technical field of scale prevention and removal of liquid flow flowing through a heated surface in water treatment. The device is connected with a water inlet end pipeline of a water circulating system by a flange, the outer part thereof adopts stainless steel pipes as a skeleton and the inner part thereof is made into a lattice by special alloy plates and is arranged in stainless steel pipe cavities; a nano generating layer is coated or melted on the special alloy plates which are connected by welding or mechanical matching and are connected with the stainless steel pipes by welding or mechanical matching. The device generates active ions, utilizes the active ions to activate scaling factors to disturb the scaling process and achieve the purposes of preventing scale and removing scale, and can be used for scale prevention and removal of devices of heat exchangers, water cooling walls, cooling and condensing equipment, hot water boilers and the like.

The invention discloses cutting equipment for household water feeding and drainage plastic pipes. The cutting equipment comprises a trigger spring cylinder, a cutting gun shell, a gun ejection strip block, a button clamping plate, a buckle plate poking button block, a palm pasting column, a steel wire pull rope, an arc trigger handle, a pipe clamp groove body and a cutting blade; the trigger spring cylinder is mechanically connected with the cutting blade through an ejection block; the trigger spring cylinder is embedded in the cutting gun shell; the bottom surface of the gun ejection strip block is tightly bonded on the top surface of the cutting gun shell; the trigger spring cylinder is provided with a clamping plate transmission mechanism, a buckle plate lifting mechanism, a firing pinpushing extension mechanism, an inclined frame support mechanism, a slide block collision mechanism, a disc rotating mechanism, a roller conveying mechanism and a clamping jaw column pipe body; the field operation effect of the plastic pipe cutting equipment is achieved; plastic pipes can be measured and quickly cut in situ according to customer requirements without needing large equipment operation or consuming the cost; and through the trigger instant impact force, the high plane cutting quality is improved, and the operation is more flexible in narrow space.

The invention discloses a pretreatment device for raw water of an artificial wetland and a pretreatment process for raw water of the artificial wetland. Raw water of the artificial wetland enters the artificial wetland after being treated by the device. The pretreatment device comprises a barrel, an inlet, a spoiler, a deflecting plate, a vortex breaker, a drain outlet, a guide layer, an outlet and a dispensing opening; the barrel consists of an upper hollow cylinder I, a middle hollow inverted cone and a lower hollow cylinder II; and the inlet and the dispensing opening are formed in the top of the barrel, the drain outlet is formed in the bottom of the barrel, the spoiler, the deflecting plate and the vortex breaker are arranged on the inner wall of the barrel, and the outlet is formed in the side wall of the barrel. While the suspended particles in the water are separated, a function for removing the low content of ammonia and nitrogen in the raw water can be realized, so that the problem that the blockage is likely to happen when the sewage with relatively high content of suspended matters is treated for the existing artificial wetland can be efficiently solved.