48results about How to "Won't cause flying" patented technology

The invention provides a road sweeper which breaks through the structure form of a traditional road sweeper. Under the action of exhaust force of an exhaust fan, dust swept up from the ground can enter a dustbin along with air through a conveying device, the dust and air in the dustbin enter dust removal filter drums together through an exhaust opening of the dustbin; the air mixed with the dust is filtered by the dust removal filter drums, so that the dust is filtered out of the dust removal filter drums, and then the dust gathered outside the dust removal filter drums is stirred to fall in the dustbin through a stirring device; and all the dust is taken as garbage to be adsorbed, and clean air passes through the dust removal filter drums and then is exhausted to the outside through an outlet of the exhaust fan. When the road sweeper encounters with obstacles which cannot be swept away, main brushes swing upwards with the pivot position of a swing arm and the conveying device as a rotating point through the swing arm, so that the main brushes float vertically in a self-adaption manner according to road conditions, and the main brushes are prevented from being damaged. After the road sweeper encounters with large garbage, a first elastic baffle can be upwards lifted by a lifting mechanism so that the large garbage can smoothly enter main brush shells and then be swept away by the main brushes.

The invention discloses a pulse cloth bag dust remover capable of easily collecting ash. The pulse cloth bag dust remover comprises a box body and an ash outlet pipe, wherein a ceiling and a cage framework are fixedly connected in the box body; a plurality of filter bags are fixedly connected between the ceiling and the cage framework; beating blades are connected between the ceiling and the cage framework and at two sides of the filter bags in a rotary manner; upper ends of the filter bags are connected with a venturi tube penetrating through the ceiling; a blowing pipe is further fixedly connected with a position, located above the ceiling, in the box body; the lower part of the box body is connected with a brushing shaft in the rotary manner; the brushing shaft is fixedly connected with a plurality of brushing plates; an opening formed in the lower end of the box body is communicated with the upper end of the ash outlet pipe; the ash outlet pipe is fixedly connected below the box body; the ash outlet pipe is internally connected with a spiral blade in the rotary manner; an atomizer is further fixedly connected with the lower end of the ash outlet pipe; an outlet of the atomizer is communicated with a flow spitting box; the lower end of the flow spitting box is communicated with a plurality of humidifying nozzles introduced into the ash outlet pipe. The pulse cloth bag dust remover capable of easily collecting the ash is high in reverse blowing and ash falling efficiency, dust is not stuck and remained and does not cause secondary pollution after being discharged; energy saving and high efficiency are realized.

A non-contact dustless sweeping vehicle includes a blow-suction device and a dust collector. The vehicle is characterized in that the dust collector is fixed on a fixed platform; the blow-suction device is fixed on the fixed platform; an air inlet of the blow-suction device is connected with an air outlet of the dust collector; an air outlet of the blow-suction device is connected with an air inlet of the dust collector. The vehicle has advantages that no ground-contact-type mechanical sweeping device is needed when the sweeping vehicle is used for sweeping and no water spraying is needed; the ground can be cleaned completely, no dust rising is caused and no secondary pollution is caused. Besides, a filter net of the sweeping vehicle is not easy to get blocked by dust, so that cleaning maintenance is reduced and the dust removal effect is good. Air after dust removal can be recycled in use and serves as an air source blowing air to the ground in a directional manner.

The invention relates to the technical field of flame retardation ABS production, and especially relates to a technology and a system of flame retardation ABS production with weight loss scale automatic batching. Technical problems of non-uniform mixing and the like in the prior art are solved. The technology comprises the following steps: A, delivering materials; B, carrying out automatic metering continuous feeding; C aggregating the materials; and D, extruding and granulating. The production system is characterized in that: the production system comprises a weight loss scale feeding system and a plurality of material warehouses; the weight loss scale feeding system comprises a plurality of weight loss scales; the material warehouses and the weight loss scales are arranged in one-to-one correspondence, and the material warehouses are respectively connected with the weight loss scales through conveying mechanisms; the weight loss scale feeding system is connected with a receiving apparatus; the receiving apparatus is connected with a pipeline; a conveying structure is arranged in the pipeline; and the pipeline is connected with a material extruder. The production system has the advantages of accurate metering, uniform material dispersion, easy enforcement, reasonable design, simple structure, easy operation, good product quality, high working efficiency, low production cost, clean and healthy production environment, and good environmental protection performance.

The invention belongs to the technical field of bridge crack repairing, and particularly relates to a bridge crack repairing method which comprises the following steps: S1, selecting an area with a crack, marking lines on two sides of the crack by adopting a steel ruler and chalk, and then carrying out width cutting treatment on the crack by adopting a cutting grinding wheel; and S2, hammering andchiseling an area cut on a bridge deck by adopting a hammer, controlling the hammering and chiseling depth to be 5-10mm, moving away a hammered and chiseled concrete slab and large-particle disintegrating slag, and erecting telescopic legs in a crack cleaning device on two sides of a wide crack. According to the invention, the crack cleaning device is arranged to clean ash and concrete residues in the crack; meanwhile, the crack cleaning device can be used for cleaning cracks with different depths and different widths, a hollow column and a cleaning plate push the cleaned ash to the moving direction of the crack cleaning device, then the ash can be collected through a dust suction pump, the whole process is convenient to operate, the labor is saved, and meanwhile, the dust flying cannot be caused.

The invention relates to a low-temperature radiation electrothermal film floor heating system. An insulating layer (5) is arranged below an electrothermal floor film (1); a finishing layer (6) is arranged above the electrothermal floor film (1); and a temperature controller (2) and a power supply (4) are connected with the electrothermal floor film (1). The low-temperature radiation electrothermal film floor heating system comprises the power supply, the temperature controller, the insulating layer, the electrothermal floor film and the finishing layer. Due to the adoption of the low-temperature radiation electrothermal film floor heating system, the human body feels warm and comfortable. The comprehensive effect of the low-temperature radiation electrothermal film floor heating system is superior to that of the traditional heating system adopting the convectional heating mode. The low-temperature radiation electrothermal film floor heating system solves the problems on the radiation difficulty of the public heating system and the heating of the areas with sufficient power, has strong controllability, can regulate the room temperature randomly and can be started randomly to meet the personalized requirement of people. Because the low-temperature radiation electrothermal film floor heating system heats directly by using the infrared rays of the electromagnetic infrared waves, the air circulation is omitted, and no dust is caused. The low-temperature radiation electrothermal film floor heating system has low investment cost and long service life, is environmental friendly, healthy and free from maintenance, consumes less energy, can ensure that the human body feels comfortable and is suitable for the heating of the new building and the old building. The floor structure can be prefabricated, partially prefabricated or assembled and laid on the site and is easy to construct and convenient to maintain.

The invention relates to the field of rock blasting, and specifically relates to a safe, efficient and environment-friendly rock blasting device. The rock blasting device comprises a blasting device, and a perforating device. The perforating device comprises a bracket, and an air compressor as well as a water tank arranged on the bracket. The air compressor is communicated with the water tank through a high pressure pipe. The water tank is further communicated with a drilling steel through the high pressure pipe. The air compressor is further connected with an air impact wrench through the high pressure pipe. The drilling steel is arranged on the air impact wrench. The drilling steel is of a hollow body, and the tip at the drilling head thereof is provided with a water outlet. The invention further relates to a safe, efficient and environment-friendly rock blasting method comprising the steps of determining a position and an angle of a blasting hole, drilling the blasting hole, enlarging the blasting hole, and blasting. The purpose of the invention is to provide the safe, efficient and environment-friendly rock blasting device and the blasting method. By using the device and the method, the most amount of rocks can be blasted with the least amount of detonators and explosive materials, and the blasting workers are prevented from being contaminated by the dust, thereby avoiding the occurrence of accidents, and achieving the energy-saving and environment-friendly rock blasting.

The invention discloses dry-mixed mortar. The dry-mixed mortar comprises ordinary Portland cement, coal ash, diabase powder, quartz sand, titanium iron ore powder, sepiolite powder, short carbon fibers, citric acid residue powder, a polymer, a polycarboxylate superplasticizer, etherified starch and thickening powder. Specifically, the dry-mixed mortar comprises the following components in parts by weight: 90 to 110 parts of the ordinary Portland cement, 30 to 50 parts of the fly ash, 8 to 10 parts of the diabase powder, 720 to 840 parts of the quartz sand, 3 to 5 parts of the titanium iron ore powder, 6 to 8 parts of the sepiolite powder, 2 to 3 parts of the short carbon fibers, 12 to 15 parts of the citric acid residue powder, 10 to 30 parts of the polymer, 0.5 to 1.0 part of the polycarboxylate superplasticizer, 0.3 to 0.5 part of the etherified starch and 3 to 5 parts of the thickening powder. The prepared dry-mixed mortar is relatively good in crack resistance and relatively strong in water retention effect; and when the dry-mixed mortar is being prepared and the raw materials are stirred, flying of raw material dust cannot be caused, and rapid discharging is facilitated.

The invention discloses a dust removal device suitable for PCB boards, which comprises a sealed casing, a fan, an air duct and a dust collection box. A bearing panel is horizontally installed at the middle position in the sealed casing, and several ventilation channels are arranged on the bearing panel. Air holes, the top of the loading panel is used to place the PCB board to be cleaned, and the bottom of the loading panel is provided with a vacuum cover with an opening facing the loading panel. The air outlet of the vacuum cover is connected to the suction pipe, and the suction pipe passes through the sealed shell The bottom of the air duct is connected to the air pipe; the air pipe includes the joint part connected to the dust suction pipe, the tail part used to connect the dust collection box, and the transition section at both ends respectively connected to the joint part and the tail part. The suction port of the fan is connected to the joint part, and the joint part is A conical chamber whose radius gradually decreases in the axial direction from the interface, guide vanes are arranged in the axial direction in the conical chamber, the tail of the air pipe is spirally arranged, and the air outlet at the tail is connected to the dust collection box. The invention has a simple structure and can effectively remove the dust on the circuit board without causing the dust to fly.

The invention discloses a germanium mud pretreatment method which comprises the following steps: firstly, filtering to remove glue, oil, sand and other organic matters or inorganic matters with largervolume in equipment cooling liquid and cutting liquid containing germanium mud to obtain germanium mud mixed liquid with fewer impurities, , then carrying out multi-stage sedimentation through a sedimentation tank, uniformly recovering the germanium mud in the sedimentation tank; performing residue-liquid separation on germanium mud mixed liquid collected in the sedimentation tank through a filter press to obtain germanium mud residues with less water content, performing wet grinding on the water-containing germanium mud residues obtained through filter pressing in a grinding machine to obtain germanium mud with finer particle size to reduce flying loss in the process, finally drying and dehydrating the grounded germanium mud to obtain high-grade germanium mud containing trace water and having finer granularity to serve as a raw material for chlorination distillation for extracting germanium tetrachloride. The method solves the problems that in the initial germanium mud pretreatment process of an existing germanium mud treatment technology, germanium flying loss is too serious, harm to the human body is obvious, and the extraction requirement cannot be met.

The invention discloses a soilless planting method based on a non-woven fabric with the advantages that the construction is convenient and rapid, the plant planting slope has high inclination, dust is prevented from flying and later plant maintenance is facilitated. The method comprises the following steps: 1) measuring the size of a target position; 2) cutting a non-woven fabric of the corresponding shape according to the size of the target position, wherein the non-woven fabric is prepared by uniformly mixing polyester, carbon fibers, viscose and low-melting-point fibers and weaving through a non-woven fabric weaving process, and the non-woven fabric sequentially comprises a fluffy layer, a dense layer and a fusing layer from top to bottom; 3) tiling the cut non-woven fabric on the upper surface of the target position, wherein the fluffy layer of the non-woven fabric is upward; 4) fixing the non-woven fabric on the target position by utilizing a plurality of pressing plates; 5) planting plant seedlings in the fluffy layer of the non-woven fabric; 6) uniformly spreading nutrient soil into the fluffy layer of the non-woven fabric, and watering, wherein the nutrient soil is powdered, and the diameter of the nutrient soil is between the port diameters of the fluffy layer and the dense layer.

The invention discloses a meal mixer capable of rotating a meal barrel in a three-dimensional way. According to the key point of the technical scheme, the meal mixer comprises a base and a rolling frame which can obliquely fix a sealed meal barrel so as to rotate the meal barrel in a three-dimensional way; the base is respectively provided with a driving motor, a gear box connected with the driving motor and a first rotating shaft connected with the gear box; a second rotating shaft is arranged at the other end of the base, and the rolling frame is rotatably arranged on the first rotating shaft and the second rotating shaft. By virtue of the three-dimensional rotating meal barrel of the meal mixer, new and old powder in a stainless steel meal barrel can be fully mixed without dead angles, so as to prevent the phenomena that the strength of formed parts is poor and the surface is rough, and avoid powder flying.

The invention relates to a road pit cleaning device. The device comprises a base, a liftable sweeping brush, a gravity ball, a first baffle and a second baffle, the first baffle and the second baffleare each of a hollow box structure, filter screen dust suction ports are formed in the first baffle and the second baffle, the height of the gravity ball can be adjusted, the height of the liftable sweeping brush can be adjusted when pits in a road are swept, a relatively closed space is formed by the first baffle, the second baffle and the base, so that more dust generated during sweeping of theliftable sweeping brush is sucked away by a dust collector, when the cleaning device encounters the pits with accumulated water, accumulated water in the pits is pumped into a sewage tank from the gravity ball through a water pump, so that the pits of the road are convenient to sweep, the device serves as a further supplement of a road street sweeper, dust or clear water in the pits which cannot be swept by the road street sweeper can be effectively and better cleaned, and the road pit cleaning device has good practicability in a collapsed road section or an old road section.

The embodiment of the invention discloses a blackboard, which comprises a blackboard body, slideways arranged on the upper and lower edges of the body, an electric brush arranged on the slideways and capable of sliding on the surface of the blackboard body along the slideways, a motor connected with the electric brush and driving the electric brush to slide, and a dust collection device connected with the electric brush, wherein the surface of the electric brush facing the blackboard body is provided with a plurality of dust collection holes; and the dust collection device adsorb dust generated when the electric brush erases the blackboard body through the dust collection holes. The electric brush is driven by the motor to erase the blackboard, and the dust is collected into the dust collection device through the dust collection holes, so that the blackboard is convenient and quick to erase, dust cannot fly to avoid environmental pollution, and the blackboard is time-saving, labor-saving, healthy and environment-friendly.

The invention discloses a high-efficiency stair cleaning device for preventing dust, which comprises a car body, a water outlet nozzle and a brush, and an air suction pump is arranged inside the car body. In the present invention, at first, the interior of the vehicle body is provided with an air suction pump, and one side of the air suction pump is connected to the second connecting rod through a hose, and the inside of the second connecting rod is connected to the brush through a rotating shaft, so the brush When cleaning the stairs, the suction pump can vacuum the surroundings of the brush, so it can clean the corners of the stairs, making the cleaning cleaner. Secondly, one side of the brush is connected to the motor drive through the conveyor belt. The first connecting pipe is arranged above the brush, and the bottom of the first connecting pipe is provided with a water outlet nozzle, so the water outlet nozzle first sprays water on the stairs, and the brush cleans the stairs without causing dust to fly. The water is more urgent and can clean up the dirty things that are difficult to clean on the stairs.

The invention relates to a disassembled collection container (44) for the collection of waste separated by a cyclone or inertial device of a dust collector of the vacuum cleaner type, said collection container having a plurality of walls (45a, 45b, 46, 48 ), these walls define a storage chamber (54), of which one wall (46) forms the bottom of the collection container (44), called the bottom wall, and at least one wall is equipped with an opening (49), called The connection wall is characterized in that the bottom wall (46) and the connection wall (48) are adjacent, one wall and / or the other wall has a curvature, or there is an inclination between the walls, the connection wall (48) The opening (49) abuts the adjoining area between this wall and said bottom wall (46). According to the present invention, when the collection container (44) is arranged in the dust suction system, it is ventilated and connected to the garbage separation device through the opening (49) of the connecting wall (48).

The invention relates to a cleaner for a screen window and a screen door, which comprises a shell, a filter screen cover, a motor, a brush, a dust suction device and a power supply, wherein one end ofthe shell is provided with a necked opening; the filter screen cover is embedded in the necked opening; and the motor, the brush, the dust suction device and the power supply are all arranged in theshell; the brush comprises a brush head and brush hairs fixed on the brush head; the brush hairs are fixed on a revolving shaft of the motor and run through the filter screen cover to be exposed out of the necked opening; and both the motor and the dust suction device are connected with the power supply. Compared with the prior art, the cleaner of the invention is simple in structure and convenient in use, solves the problem that the screen window and the screen door are difficultly cleaned, and can conveniently clean impurities and dust in, in the middle of and outside the screen window and the screen door and realize a dry treatment. An LED light of the invention can also be used for illumination, thereby fulfilling a plurality of purposes.

The invention relates to a baby peach leaf refreshing lotion, which consists of the following components in parts by weight: components of phase A: 40-80 parts of water; 0.1-3 parts of ZEN; 0.1-3 parts of transparent xanthan gums ; and 2-5 parts of 1,3 butanediol; components of phase B: 6-10 parts of witch hazels; and 0.1-3 parts of dipotassium glycyrrhizinate; components of phase C: 2-5 parts ofsilicon powder; components of phase D: 1-3 parts of chamomile extracts; 1-3 parts of European mallow extracts; 1-3 parts of peony root extracts; 1-3 parts of honeysuckle flower extracts; 1-3 parts oftaraxacum officinale rhizome extracts; 1-3 parts of Tokyo violet herb extracts; and 1-3 parts of peach leaf extracts; components of phase E: 0.06-0.12 part of caprylhydroxamic acid; 0.03 to 0.08 partof octoxyglycerin; and 0.2-0.5 part of 1,2-hexylene glycol. The invention further discloses a preparation method thereof. The baby peach leaf refreshing lotion has the advantages that the comfort level of the existing liquid baby powder is improved, and the effect of preventing heat rash is achieved through the pharmacological action of extracts such as peach leaves and the like, so that powder lifting and waste cannot be caused, and skin can be covered to a greater extent at the same time.

The invention discloses a construction engineering stone crusher which comprises a case body, wherein a top block is fixedly arranged on the upper end surface of an inner cavity; the inner cavity withan opening is arranged in the case body; the upper end surface of the case body is provided with a shielding device for sliding and sealing the inner cavity so as to shield from sound; a dismountingdevice which is fixed to the shielding device is arranged in the inner cavity; and the dismounting device adopts the combination of cutting and expansion to dismount cement walls of sewage tanks. Theconstruction engineering stone crusher is simple in structure. The construction engineering stone crusher adopts cutting and hydraulic expansion ways to fully crush cement on circumferential surface walls of the sewage tanks. In addition, the method of sealing the sewage tanks is utilized in the crushing process so as to enable the equipment to be quiet during processing, avoid the influence on the daily lives and work of surrounding people, protect the hearing of builders, avoid dust rising, and protect the environment.

The invention discloses a fully-automatic plastic batching device. The device comprises a weight reducing scale batching area in which a plurality of storing bins are arranged, wherein a weight reducing scale is mounted at a discharging port in the bottom part of each storing bin; a transversely-penetrated chain double-rail conveying line for conveying a movable hopper is arranged at the bottom part of the weight reducing scales; a two-way moving hoisting rail is arranged at one side of the outlet end of the chain double-rack conveying line; a lifting assembly is mounted on the two-way moving hoisting rail; the movable hoppers are driven by the two-way moving hoisting rail to move to a three-dimensional mixer; each movable hopper is clamped by the three-dimensional mixer through an oil cylinder, and a motor rotates to mix raw materials in the movable hopper; after the raw materials are mixed, each movable hopper moves to a material picking device through the two-way moving hoisting rail; an AGV trolley is arranged at the material picking device and used for carrying each movable hopper to a production line.

The invention discloses a crawler-type resistance heating medicinal material dryer which comprises a heating tank body (1) and a conveying caterpillar band (2) which penetrates through the heating tank body (1) and is used for carrying medicinal materials, a resistance heater A (21) is arranged on the left side of the conveying caterpillar band (2), a resistance heater B (22) is arranged on the right side of the conveying caterpillar band (2), and the resistance values of the resistance heater A (21) and the resistance heater B (22) are gradually increased in the conveying direction of the conveying caterpillar band (2). The crawler-type resistance heating medicinal material dryer has the advantages of being easy and convenient to operate, simple in structure, good in end product quality and low in input cost and maintaining cost.

The invention discloses an intelligent PCB chip cleaning system, which comprises a conveyor belt, a dust removing box body, a storage box and a dust collecting box, wherein the conveyor belt and the dust collecting box are located at the outer side of the dust removing box body; a first opening through which a PCB passes is formed in the left side of the dust removing box body; a second opening through which the PCB passes is formed in the right side of the dust removing box body; the conveyor belt conveys the PCB to the first opening; one side of the storage box is connected with the second opening; a guide plate is obliquely arranged downwards in the dust removing box body along the opening; two ends of the guide plate are connected with the first opening and the second opening separately; a suspended hood is arranged at the lower left part of the guide plate in the dust removing box body and is connected with the dust collecting box through a dust collecting pipe; and an electrostatic dust-removal roller is arranged at the lower left part of the guide plate in the dust removing box body and rotates along the direction of the inclined lower part of the guide plate. The intelligent PCB chip cleaning system is capable of effectively removing dust on a circuit board, does not cause dusting, is high in efficiency in the conveying process, is suitable for cleaning of the large PCBand is capable of solving the electrostatic problem of the PCB.

The invention relates to the technical field of mushroom cultivation, in particular to a mushroom planting greenhouse. The planting greenhouse comprises a greenhouse body, the interior of greenhouse body is provided with supporting strips, a push plate is arranged on the support strips in a sliding manner, the push plate divides the greenhouse body into an upper chamber and a lower chamber, the interior of the push plate is fixedly connected with a pull rope, the interior of the greenhouse body is provided with a first connecting pipe and a second connecting pipe, the first connecting pipe andthe second connecting pipe communicate with the upper chamber and the lower chamber, the interiors of the first connecting pipe and the second connecting pipe are both provided with one-way valves, the interior of the upper chamber is provided with a water groove, the bottom of the water groove is provided with small holes, a first planting frame is arranged above the water groove, the interior of the lower chamber is provided with a second planting frame, the interior of the lower chamber is equipped with a light reflecting plate in an inclined manner, and the light reflecting plate is far from the side of the pull rope. When the technical scheme is adopted, the mushroom planting greenhouse in which green plants are simultaneously planted can be provided.

The invention discloses an effervescent tablet for beer wort clarifying agent, which contains carrageenan as a clarification component, an effervescent agent and a food acceptable auxiliary agent, wherein the content of carrageenan is effervescent 40-90% of the total weight of the tablet, and the content of the effervescent agent is 6-30% of the total weight. The carrageenan effervescent tablet of the invention not only greatly improves the dispersion effect of the carrageenan in wort, but also is convenient to use and does not cause flying dust.

The invention discloses an environment-friendly blackboard eraser and a blackboard assembly using the environment-friendly blackboard eraser, and relates to the field of teaching tools, in particular to the technical field of blackboards and blackboard erasers. An environment-friendly blackboard eraser is used in conjunction with a sliding blackboard or a push-pull blackboard, and includes a blackboard eraser body, a fixing piece and a fixing seat. The blackboard eraser body is detachably arranged on the fixing part, and the fixing part is connected with the fixing seat. The fixing seat can be fixedly arranged on the fixing plate of the sliding blackboard and can adjust the pressing force between the blackboard eraser body and the blackboard. The blackboard assembly includes at least two sliding blackboards with adjustable positions and the above-mentioned environment-friendly blackboard eraser. The sliding blackboard includes a top board and a bottom board, the environmentally friendly blackboard eraser is fixedly arranged between the top board and the bottom board and the blackboard eraser body can be set facing the sliding blackboard. The invention has reasonable design, simple structure, easy replacement and cleaning, high wiping efficiency, saves time, is not easy to raise dust, and reduces harm.

The invention discloses a watering dust prevention automatic cleaning device which comprises a wheel seat. Rotatable movable wheels and a storage tank are mounted on the wheel seat, and the storage tank is arranged on a side of the wheel seat. The watering dust prevention automatic cleaning device is characterized in that a sweeping wheel is arranged on one side of the wheel seat, the sweeping wheel and the movable wheels are in linkage with one another via first conveyor belts, a water tank is arranged on the other side of the wheel seat, a spraying device capable of spraying water on the ground is arranged in the water tank, and the spraying device and the movable wheels are in linkage with one another by second conveyor belts. The watering dust prevention automatic cleaning device has the advantages that dust can be prevented in broom sweeping procedures when the ground is cleaned by the aid of the watering dust prevention automatic cleaning device, accordingly, dust flying can be prevented, the respiratory tracts of people can be prevented from being infected, and the safety can be guaranteed.

The invention discloses a powder combustible material combustion fire grate which comprises at least two fixed grate plates which are in a stepped form. A gas distributing device is mounted on the upper surface of each fixed grate plate. A pushing grate plate which can reciprocate is mounted at the rear of each fixed grate plate. The powder combustible material combustion fire grate has the advantages that the fixed grate plates serve as support plates for powder combustible materials, and powder combustion balls can be built on the fixed grate plates easily; combustion-supporting gas is provided upwardly from the bottoms of the powder combustion balls by the gas distributing device, a plurality of combustion-supporting gas passages are created in each powder combustion ball, and fully combustion of the powder materials is guaranteed; and by the stepped fixed grate plate and the pushing grate plate which can reciprocate, combustion balls of the powder combustible materials from top to bottom can be built after rolling and loosening without fully damaging original combustion balls, combustion is complete and efficient, no flying dust is created, and environment protection is facilitated.

The invention discloses a base special for a mine quarrying cutting plate. The base comprises a lifting upright post, an upright post and a rack platform, wherein the rack platform is arranged between the lifting upright post and the upright post. The lifting upright post comprises a vertical post, a base and a lifting oil cylinder, wherein the cylinder body of the lifting oil cylinder is fixed on the vertical post, a lifting ejection rod of the lifting oil cylinder is connected to the base, and a track wheel controlled to rotate by an oil motor is arranged below the base. The lower lateral surface of the upright post is provided with a track beam in rotating connection with the upright post, and the track wheel controlled to rotate by the oil motor is arranged below the track beam. The base can lift and move freely on a stone site and enables a stone slab sawing stand to work conveniently; and the base is environmental-friendly, can achieve optimal dust reclamation effect, and does not cause dust flying or environmental pollution.

A rice hull carbonization secondary combustion recycler comprises a horizontal chain boiler. A collector is arranged on the periphery of the bottom of the horizontal chain boiler, an outlet is arranged at the bottom of the collector, a transverse auger is disposed below the outlet and connected with a transverse auger motor, an input end of a longitudinal auger is arranged at an output end of the transverse auger, an output end of the longitudinal auger is disposed above a coal hopper of the horizontal chain boiler, the longitudinal auger is connected with a longitudinal auger motor, after dropping from a gap of the horizontal chain boiler, carbonized rice hulls are collected by the collector at the bottom of the horizontal chain boiler, and the collected carbonized rice hulls drop on the transverse auger via the outlet at the bottom of the collector, are horizontally conveyed via the transverse auger, are lifted to a position above the coal hopper of the horizontal chain boiler by the longitudinal auger, and finally enter the horizontal chain boiler to be combusted. The rice hull carbonization secondary combustion recycler has the advantages of capabilities of saving fuel, reducing cost and saving labor intensity and environmental protection.