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

The invention discloses a power distribution network line fault on-line monitoring and positioning system. The power distribution network line fault on-line monitoring and positioning system comprises a line fault indicator, a wireless acquisition device, a wireless ad hoc network and a monitoring main station, wherein the wireless acquisition device is in wireless communication with the monitoring main station through the wireless ad hoc network, the wireless ad hoc network comprises a central node and multiple sensing nodes. The central node and the multiple sensing nodes are connected in a wireless communication mode, and the multiple sensing nodes are connected in the wireless communication mode. The invention further discloses a communication method adopted by the power distribution network line fault on-line monitoring and positioning system. A networking method of the wireless ad hoc network comprises the following steps of initializing node electrification, starting to perform networking, finding neighbors and measuring field intensity, collecting the field intensity, performing route planning and configuration and performing normal work. By means of the system and the communication method, the power distribution network line fault on-line monitoring and positioning are performed, the networking can be performed quickly, a structure is flexible, data transmission is reliable, received data are complete, wireless communication signal dead zones do not exist, only one-time investment is required, operation expense is not required, and the operation cost is reduced.

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 provides a large uniform-speed escape slow-descending device capable of being used by many people. The slow-descending device is mainly composed of a base with a shifting-out mechanism, a supporting rack, a cage, a suspension mechanism, a slow-descending mechanism, a track releasing mechanism, a clutch mechanism, a cage withdrawing mechanism and the like, wherein the supporting rack of a steel structure can be moved out through the shifting-out mechanism on the base; the slow-descending mechanism and a track rope wheel is installed on the supporting rack; the hand wheel of the track releasing mechanism is rolled to put down a track; and escape people enter an escape cage and descend a handle to realize the descending and escaping purposes. The device adopts the deceleration principle that the speed is accelerated through a planet wheel, so that a friction block generates a centrifugal force and a friction force with a shell to slowly descend. The slow-descending device has the characteristics of simple operation, stable descending speed, small occupation area, simple and practical structure as well as safety and reliability.

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 relates to a desulfurization waste water zero discharge and white smoke purification combined treatment system, which comprises a desulfurization tower, a desulfurization slurry circulation spraying system, a desulfurization tower defogging device, a desulfurization tower outlet flue, a smoke gas reheater, a desulfurization waste water discharging pipeline, a desulfurization waste water discharging pump, a buffer tower, a desulfurization waste water clean liquid circulation pipeline, a desulfurization waste water clean liquid circulation pump, a heat exchanger, a sludge conveyingpipeline, a sludge conveying pump, an evaporation tower, an evaporation tower defogging device, a stirring device, a desulfurization waste water clean liquid backflow pipeline, a desulfurization waste water clean liquid backflow pump, a water steam conveying pipeline, a condensing tower, a condensing tower spraying device, a condensing tower defogging device, a vacuum pump pipeline, a vacuum pump, a cooling tower water conveying pipeline, a cooling tower water conveying pump, a cooling tower, a cooling tower water return pipeline and a water return pump. The operation cost is low; the desulfurization tower slurry is condensed; the smoke gas temperature is lowered; the smoke gas is reheated; the s white smoke purification is realized; the heat adsorbed by condensation is used for evaporating the desulfurization waste water; the energy consumption is low. The treatment system can be widely applied to power station boiler and industrial boiler smoke gas desulfurization systems.

The invention relates to a method of surface modification for environmentally-friendly carbon fibers. The method comprises sequentially immersing carbon fiber protofilament with acetone and nitric acid, and activating in an atmosphere of active gas. The modified carbon fiber obtained by the method is increased in surface oxygen-containing functional groups, improved in biocompatibility, greatly improved in biofilm formation amount and biofilm formation rate, and thus is an excellent biological carrier, and can not only directly purify water quality of rivers and lakes, but also be applied in industrial wastewater treatment and purification of raw water. The modification method of the carbon fiber is simple, environmentally friendly and wide in application prospects, can be used for directly purifying the water quality of the rivers and the lakes, and has important significance for lake eutrophication control, waste water purification, drinking-water safety, cultivation of algae as raw materials of bioenergy, and self restoration of water ecosystem.

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 relates to innocent treatment equipment for biologically degrading dead livestock and poultry. The innocent treatment equipment for biologically degrading the dead livestock and poultry comprises a livestock and poultry treatment tank, auxiliary materials such as biological degradation corpse bactericides are added into the livestock and poultry treatment tank, a clearing hole and a liquid outlet are formed in the livestock and poultry treatment tank, the clearing hole is used for clearing bones of the dead livestock and poultry and sludge at regular intervals, the bones and sludge are smashed and treated into organic fertilizer, the liquid outlet is connected with a biogas slurry tank for carrying out fermentation continuously and producing biogas, a charging hole and an air outlet are formed in the top of the livestock and poultry treatment tank, the air outlet is connected to a disinfection device and an ultraviolet sterilization device by virtue of a pipeline, gas is disinfected and sterilized, the innocent aim is achieved, and the charging hole is connected with a charging mechanism used for charging to-be-treated materials into the livestock and poultry treatment tank. The innocent treatment equipment for biologically degrading the dead livestock and poultry has the advantages of low equipment investment, convenience in charging, good sealability, no escape of odour, rapid corpse corruption, difficult pestilence propagation, safety in use and no poison or pollution produced to human, livestock and ambient environment.

The invention discloses a non-powered domestic sewage treatment plant, comprising a reaction tank consisting of steel plates or glass reinforced plastics or plastic plates or brick-concrete constructions, wherein, the reaction tank is divided into an air water reinforced contact zone, a biological reaction zone, and a biofiltration zone; the air water reinforced contact zone is provided with a perforating water distributor, a perforating inclined plate, an air-supply pipe, a vent window, and an air suction duct; the biological reaction zone is filled with biological filling material; and the biofiltration zone is provided with one or more sets of slots, self-forming dynamic membrane filtration frames which can move up and down are inserted in the slots, and the water exit of the biofiltration zone is provided with a water outlet valve. The invention has the advantages of simple structure, small land occupation area, low investment, good processing effect, no need of power, no need of electric power, no need of operation cost, no need of person operation and management, and the like, and is suitable for villages and small towns, especially meeting the usage of domestic sewage treatment in remote mountain areas with relative backward economy and no guarantee of power supply.

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 provides a medium-sized multiperson much-insurance reciprocating type lifesaving slow descending device. The slow descending equipment mainly comprises a rail folding and unfolding mechanism, a slow descending mechanism, a screw rod and nut drive mechanism, a bracket and a chain drive mechanism, wherein the movable slow descending mechanism is installed on the steel structure bracket and can shift a rail rope wheel; and a hand wheel rocks the chain drive mechanism so that the slow descending mechanism extends out, a rail folding and unfolding mechanism hand wheel is rocked to lay down a rail, and an escaping person descends along with a descending steel wire rope after hanging a safe hanging ring of a slow descending rope. The device enables a friction block to generate a centrifugal force by planet wheel acceleration to generate friction with a shell for carrying out slow descending; a rail sliding ring which is shown as the picture nine and has a brake function is also installed on the rail rope and prevents two manned steel wire ropes from winding together, and the sliding ring can be also held by a hand in emergency and stalling, and thereby the functions of deceleration and brake are realized; a ground buffer seat shown as the picture eleven is installed on the ground, has the effect of buffer and prevents damage to a human body due to overlarge impact; and the lifesaving slow descending device has the characteristics of simple operation, stable descending speed, much insurance, less land occupation, simple and practical structure, safety and reliability.

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 discloses a combined type biological rotating disc treatment device. The combined type biological rotating disc treatment device comprises a first filtering pond, a first settling pond, a second settling pond, an aeration tank, biological rotating discs, a third settling pond and a water storage pond, all of which are sequentially arranged. A water inflow pipe is arranged above the first filtering pond, the bottom of the first filtering pond communicates with the bottom of the first settling pond, and the first settling pond communicates with the second settling pond through a low-position water pipe. A high-position water pipe is arranged at the upper portion of the second settling pond. A waterwheel is arranged in the aeration tank and provided with multiple first blades, the first blades correspond to the high-position water pipe, the waterwheel is coaxial to a chain wheel, and the chain wheel is connected with the biological rotating discs through a chain. A first aeration pipe is arranged at the lower portion of the waterwheel. The first filtering pond and the two settling ponds of the device can remove most solid impurities in sewage, and the treatment difficulty of the part of the biological rotating discs is reduced. The sewage and aeration can push the waterwheel to rotate at the same time, the aeration amount in the sewage can be increased, power can be supplied to the biological rotating discs as well, and later operation cost is not needed.

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 wireless taxi calling device and a use method. A passenger holds a wireless signal remote control with a hand to send a signal, and a taxi driver receives the signal by a wireless signal receiver and judges the approximate range of the passenger according to LED (light-emitting diode) light displaying on the wireless signal receiver. The device and the method can be used in different areas throughout the country. Compared with the prior art, the device and the method have the beneficial effects that facility input cost is low, and encoding and emitting radio waves according to area codes can be realized throughout the country, so people who often travel for business or tour are convenient without being limited by networks and telecommunications signals, and the popularization is facilitated; the signal displayed on a taxi terminal is simple flickering lamplight, different colors represent different approximate distances, and voice prompting and screen prompting are avoided, so that the driver can drive with more vigor, the taxi driving safety is greatly improved, and the personal safety of the driver, the passenger and pedestrians can be guaranteed.

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 provides a device and a method for denitration and treating sludge containing organic matter by utilizing a dry-method rotary kiln. The device comprises a dry-method rotary kiln preheater system, wherein the dry-method rotary kiln preheater system comprises a decomposing furnace, a decomposing furnace gooseneck pipe, a five-level cyclone, a four-level cyclone, and a rising channel from the five-level cyclone to the four-level cyclone; the five-level cyclone is communicated with the decomposing furnace by the decomposing furnace gooseneck pipe and is also provided with a sludge tank, a slurry pump and an air cannon group; and a power stirring device or an inflating device is arranged in the sludge tank. The invention also provides the method for denitration and treating sludge containing organic matter by utilizing the dry-method rotary kiln. With the adoption of the device and the method, the production kiln of the dry-method rotary kiln and the combustion of coal powder in the furnace are not affected, the consumption of coal is not increased, the kiln condition and the yield and quality of clinker are not affected, the cost is low, and the environmental protection is realized.

The invention discloses an ultra-low nitrogen oxide combustion method. The combustion method is multi-stage composite jet flow low-temperature combustion, the gas multi-stage jet flow and air multi-stage jet flow manner is adopted in a combustion head, multi-stage composite injecting is formed to enable smoke to be subjected to entrainment, through different channels and different distribution proportions, and different speeds and gradients, gas, air and smoke are organized according to the rule, and finally, through the combustion head, mixed air flow is directly sprayed into a hearth to be combusted. Direct-combustion type ultra-low nitrogen combustion is achieved, the technical property is excellent, the structure is simple, economy is good, ultralow emission is achieved, the field process is simple, running safety is high, investment is small, running cost does not exist, the combustion efficiency is high, and the output power is wide.

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 separation process for recycling non-fired coal from coke slag. The separation process comprises the following steps that the coke slag is crushed to the granularity of 1mm or below, and then a classification cyclone is used for classification operation; underflow products are fed into a spiral separator for preliminary separation, and spiral separation tailings and spiral separation concentrates are obtained; overflow products are subjected to flotation, and primary flotation concentrates and primary flotation tailings are obtained; and then ore grinding products andthe primary flotation concentrates are mixed, or the ore grinding products are independently subjected to flotation concentration operation, flotation reagents are added, then the ore grinding products and the primary flotation concentrates are fed into flotation equipment, and final concentrates and flotation tailings are obtained after separation of the flotation equipment. According to the process method, the non-fired coal can be recycled from the coke slag, the process flow is simple and reliable, the adaptability to feeding property changes is high, and the operation cost is low; and compared with a chemical recycling process, the treatment capacity is high, the separation efficiency is high, environmental pollution is avoided, and the economic benefits are remarkable.

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.