201results about How to "Good loosening effect" patented technology

The invention relates to a water-holding and cultivating functional compound fertilizer, comprising a nitrogen fertilizer, a phosphate fertilizer a potash fertilizer, a trace element fertilizer, a compound amino acid, a soil conditioner, an organic matter and the like. In addition, the invention relates to a preparation method of the water-holding and cultivating functional compound fertilizer. The invention also relates to use of the water-holding and cultivating functional compound fertilizer for improvement of the growth characters and / or yield of crops.

The invention discloses a trichloroacetaldehyde soil pollution treatment device. The left end of a corrugated pipe is fixedly connected with a bucket, the upper end of the bucket is fixedly connectedwith an air pressure telescopic rod, and the air pressure telescopic rod is fixedly connected with a device body; and a medicament tank is arranged at the left end of the upper part of a sleeve, the right end of the medicament tank is fixedly connected with a conduit, and the upper part of the left end of the medicament tank is fixedly connected with a drug injection tube, the upper part of the right end of the medicament tank is fixedly connected with a gas guide tube, and the middle part of the gas guide tube is fixedly connected with an air compression pump, and the air compression pump iselectrically connected with a power box. According to the trichloroacetaldehyde soil pollution treatment device, a rotary tillage roller is driven by engine wheels to rotate so as to drive soil digging blades to plough soil, a swing arm can control the height of the rotary tillage roller so that the soil digging depth can be adjusted, soil loosening effect is good, the soil is transported upwardsthrough a spiral lifting rod and is mixed with an alkaline fertilizer, the soil and the fertilizer are fully mixed by stirring teeth, and treatment is more thorough; and the trichloroacetaldehyde soilpollution treatment device has the advantages of being reasonable in structural design, treatment effect of the organic pollutant trichloroacetaldehyde soil pollution is greatly improved, so that theenvironment is facilitated.

The invention relates to a waste fiber leftover pre-opener, belonging to the field of non-woven fabric machines. The waste fiber leftover pre-opener comprises a pre-opening roller rack, a waste fiber leftover conveying mechanism, a pre-opening roller, a pressing mechanism, a feeding mechanism, a pre-opening roller driving mechanism, a power transmission mechanism and a fiber leading-out mechanism, wherein a first wallboard is fixedly arranged above one side of the pre-opening roller rack and a second wallboard is fixedly arranged above the other side of the pre-opening roller rack; the waste fiber leftover conveying mechanism is connected with one end of the pre-opening roller rack; the pre-opening roller is supported between the first wallboard and the second wallboard; the pressing mechanism is arranged on the waste fiber leftover conveying mechanism; the feeding mechanism is arranged on the pre-opening roller rack and is arranged between the pre-opening roller and the pressing mechanism; the pre-opening roller driving mechanism is arranged on the pre-opening roller rack and is connected with the pre-opening roller; the power transmission mechanism is arranged on the pre-opening roller rack and is connected with the waste fiber leftover conveying mechanism, the pressing mechanism and the feeding mechanism; and the fiber leading-out mechanism is fixedly arranged on the pre-opening roller rack. The waste fiber leftover pre-opener has the advantages that the opening effect is good, the opening efficiency is ideal, the requirement on reuse of waste fibers can be satisfied, the resources are saved, the environment is protected, the circular economy is reflected and the manufacturing cost of automobile interior ornaments is reduced.

The invention discloses a liquid open machine comprising a frame arranged with a liquid inlet and a liquid outlet, wherein the frame comprises an open device, a fiber leather separator and a discharge device communicated with a material outlet at one side of the frame, the open device, the fiber leather separator and the discharge device are all connected with a power transmitter. The open device is composed of a rotor and a casing in a chamber of the frame, while the rotor can be arranged with a dial flake or cam. The invention uses the rotor to move liquid and leather block in frame at high speed, to impact the block at high speed to be opened. Compared with prior art, the invention has simple structure, improved working efficiency, better leather fiber quality, long service life of device and low energy consumption.

The invention relates to a cotton-opening roll for removing foreign fiber, characterized by comprising a roller, a plurality of opening teeth arranged on the roller in a spiral arrangement mode and a plurality of spiral arc fasteners arranged on the opening teeth. Each opening tooth comprises a tooth top part and arc parts, wherein the arc parts are symmetrically distributed at both sides of the tooth top part, respectively provided with connecting light holes and arranged on the roller; the spiral arc fasteners are arranged above the arc parts of two adjacent opening teeth; and the spiral arc fasteners, the arc parts of the opening teeth and the roller are fixed together through screws. The cotton-opening roll for removing the foreign fiber has good opening effect, is suitable for cotton foreign fiber detection and removal equipment, is portable and convenient to select spare part materials, has the advantages of simple processing process, lighter whole weight, higher coaxiality, smaller centrifugal force and stable operation and can be driven by a small-power motor.

The invention discloses a non cotton cellulose fiber opening oiling agent which is characterized in that: the opening oiling agent contains a soft smoothness agent which can lead the surface of the non cotton cellulose fiber to form a layer of extremely soft smooth film and an antistatic agent which can prevent fiber from generating static electricity owning to friction. The opening oiling agent adopts the soft smoothness agent, the antistatic agent and water with a certain proportion, which are stirred for a certain time under the normal temperature, and a PH value conditioning crosslinker is added to form the opening oiling agent. By adopting the opening oiling agent, a layer of the smooth and soft and antistatic film can be formed on the surface of the non cotton cellulose fiber with a small quantity of the opening oiling agent, so as to greatly reduce doubling and adhesion in the opening procedure of the fiber, and lead the fiber to be smooth, soft and fluffy, and cause the opening and carding procedures to be carried out easily; the operation is easy and the rate of finished products for silk making is improved.

The invention relates to an airflow-impact deep-scarification fertilizer distributor which belongs to the field of agricultural machines. The airflow-impact deep-scarification fertilizer distributor comprises a deep scarification device, an air generation device, depth control devices, a fertilization device, a gas-liquid connecting device, a draft gear and a rack, wherein the deep scarification device is disposed on the rear lower side of the rack; the air generation device is disposed on the front upper side of the rack; the depth control devices are disposed on two sides of the front part of the rack; the fertilization device is disposed on the middle upper side of the rack; the gas-liquid connecting device is disposed on the rear upper side of the rack; and the draft gear is disposed on the front part of the rack and connected to a draft gear of a tractor. The airflow-impact deep-scarification fertilizer distributor adopted in the invention is characterized in that separate deep scarification can be implemented, and the deep scarification and fertilization can be implemented simultaneously; instant high-pressure airflows generated by an air compressor can break a plow pan so as to obtain effects of the deep scarification on one side; and on the other side, liquid fertilizers can be changed into instant high-pressure liquid flows, and the liquid flows are impacted into soil via a pipeline on the bottom of a deep scarification shovel, so that the fertilization is carried out.

The invention relates to an intelligent soil loosening and watering robot for vegetable planting. The robot comprises a self-stabilized walking deck, wherein the self-stabilized walking deck has good shock absorption performance and stability, so that the robot is suitable for working on uneven vegetable planting sites in greenhouses; the right side of the upper end surface of the self-stabilized walking deck is provided with a soil loosening device which can be used for uniformly and automatically loosening soil in the planting sites, and the soil loosening device is rapid in loosening speed and good in loosening effect; the middle of the upper end surface of the self-stabilized walking deck is provided with an adjustable watering device which can be used for uniformly watering vegetables, and is good in watering effect, so a large amount of water is saved; the self-stabilized walking deck comprises an installation platform, the left and right sides of the lower end surface of the installation platform are symmetrically provided with two transmission branched chains, and the front and rear sides of each transmission branched chain are provided with two walking branched chains symmetrically through welding. By the adoption of the robot provided by the invention, the function of automatically performing soil loosening and watering on the vegetables in the greenhouses can be realized, annual operation is not needed, the automation is high and the vegetable planting effect is good.

The invention provides a soil tillage device with deep scarification and harrow smashing and leveling functions, and belongs to the technical field of agricultural machinery. The soil tillage device comprises a deep scarification device, a harrow smashing and leveling device, a connection mechanism of the deep scarification device and the hollow smashing and leveling device, and a lifting mechanism controlling the working height of the harrow smashing and leveling device. The deep scarification device is arranged on the front part, and the harrow smashing and leveling device is arranged on the rear part. By means of the soil tillage device, the deep scarification device and the harrow smashing and leveling device are organically combined together, the operation cost is reduced, soil compaction caused by repetitive work of agricultural machinery is reduced, and the operation depth is adjusted through the dead weight of the connection mechanism of the deep scarification device and the harrow smashing and leveling device and the dead weight of the harrow smashing and leveling device.

The invention relates to a fiber opening device, comprising a cotton conveying fan, a conveying pipeline and a pre-opening box, the cotton conveying fan is connected to the top of the pre-opening box through a conveying pipeline, and the pre-opening box is an upper small The lower large round table and cylinder are composed of a pre-opening device in the pre-opening box; the lower end of the pre-opening box is fixedly connected with the opening box, and several layers of left and right vibrating opening layers are arranged in the opening box. A front and rear vibration opening layer is arranged below the left and right vibration opening layer. The beneficial effect of the present invention is that a pre-opening device is provided to pre-open the fiber raw materials, which improves the opening effect of the fiber raw materials; the vibration device is used to realize the oscillating wave on the silk thread, and quickly bounces the fiber raw materials, so that the fibers are fully Opening reduces the degree of damage to fibers. The invention has the advantages of reasonable structural design, convenient use, good opening effect, etc., and has certain popularization and application value.

The invention discloses an agricultural soil loosening device which comprises a main body and a vertical connecting plate mounted at one side of the top, sliding wheels are arranged at both sides of the main body, the interior of the main body is divided into a first soil loosening box and a second soil loosening box through a partition plate, a first air cylinder is arranged at the top of the first soil loosening box, a transverse plate is arranged in the first soil loosening box, the middle of the top of the transverse plate is fixedly connected with the bottom of an output shaft of the first air cylinder, and several sets of plowing shovels are arranged at the bottom of the transverse plate; each plowing shovel is composed of a groove, a sliding rod, a plowing cutter, a first buffer spring, a fixing plate and second buffer springs. The resistance between the plowing cutters and soil is relieved through the first buffer springs and the second buffer springs, thus, the plowing cutters can be protected to a certain extent when used, and therefore the service life of the device is prolonged; meanwhile, the soil is loosened multiple times through a plowing rake and the plowing cutters, and thus the soil loosening effect of the device is better.

The present invention discloses a self-moving type deep scarification work vehicle. The self-moving type deep scarification work vehicle comprises a vehicle body which can autonomously move to a working area and soil loosening heads carrying out deep scarification work, and the vehicle body is provided with mechanical arms used for clamping the soil loosening heads and inserting the soil loosening heads into the soil. The work vehicle is light in weight, small in power, small in soil compaction, and excellent in soil loosening effect, and does not cause any damage to root systems.

The invention discloses a grass seed sowing device for garden planting. The grass seed sowing device for the garden planting comprises a top plate. A first fixed pulley and a second fixed pulley are arranged on the top plate, a rotary motor is hinged to the right end of a first swing rod, a limit hanger is arranged on the bottom surface of a left extension plate, and a plurality of limit through holes are evenly formed in the bottom of the limit hanger. A right extension plate is horizontally fixedly arranged on the outer side wall of a right vertical plate, a second swing rod is rotatably arranged on the right extension plate, and an arc scraper is fixedly arranged at the lower end of the second swing rod by welding. A limit spring is connected between the right extension plate and the second swing rod, the upper end of the limit spring is fixed to the lower bottom surface of the right extension plate, and the lower end of the limit spring is fixed to the upper side wall of the secondswing rod. The grass seed sowing device for the garden planting has the advantages of ingenious structure and reasonable design. The operations of soil digging, punching, grass seed sowing and soil covering are carried out in one step, so that the working efficiency is greatly improved, the sowing effect of the garden is improved and the problems of large amount of labor and low sowing efficiencyin the traditional grass seed sowing process are effectively solved.

The invention provides a cotton opening and cleaning roller which comprises a hollow roller and a casing, wherein the hollow roller is driven by an actuator, the casing is used for sealing the hollow roller, beaters are uniformly distributed on the roller body of the hollow roller, the beaters are hinged to the roller body, plectrums are arranged at the roots of the beaters, elastic components used for keeping angles of plectrums are connected to the plectrums, and toggle component used for toggling the plectrums periodically is arranged in the hollow roller. According to the cotton opening and cleaning roller provided by the invention, the toggle component is adopted to toggle the beaters hinged to the hollow roller, so that the beaters are vibrated, the opening effect of the cotton sliver is better and the impurities are fallen off easily.

The invention relates to uniform-fertilizing automatic earthing equipment which comprises a traveling carrier, a soil loosening portion and a soil transferring portion. The soil loosening portion andthe soil transferring portion are mounted on the traveling carrier, the soil loosening portion comprises a shallow-layer soil loosening device and a deep-layer soil loosening device, the soil transferring portion is arranged between the shallow-layer soil loosening device and the deep-layer soil loosening device and comprise a conveying device for transferring upper-surface-layer loose soil generated by the shallow-layer soil loosening device during soil loosening and a soil-moving fertilizing device arranged above the conveying device and used for pushing and fertilizing soil. The soil transferring portion transfers the fertilized loose upper-surface-layer soil onto the deep-layer soil after going through deep-layer soil loosening, and the deep-layer soil loosening device transfers the deep-layer soil as covering soil onto the upper-surface-layer soil at the same time to enable fertilizer to be completely integrated into the soil, so that loss and waste are avoided, land resources areutilized reasonably, and vegetation growth is facilitated.

The invention discloses a dry powder extinguisher, and belongs to the technical field of extinguishers. The dry powder fire extinguisher comprises a fire extinguisher body and a powder suction pipe, arectangular box is fixedly connected to the upper end of the fire extinguisher body, a hollow sleeve is rotationally connected to the inner top of the fire extinguisher body, the powder suction pipeis located in the hollow sleeve, a transverse plate is fixedly connected to the lower end of the hollow sleeve, a plurality of evenly distributed stirring rods are fixedly connected to the outer edgeof the lower end of the transverse plate, a driving device connected with the hollow sleeve is arranged in the rectangular box, a gas storage tank storing high-pressure gas is fixedly connected to thelower end of the fire extinguisher, and an auxiliary gas spraying device is arranged between the gas storage tank and the inner wall of the fire extinguisher. When the dry powder extinguisher is used, dry powder in the dry powder extinguisher can be stirred and blown away by pulling a pull ring, so that the dry powder is loosened more uniformly and quickly.

The invention discloses a soil loosening device. The soil loosening device comprises air sacs, air inflating and pumping equipment and a controller, wherein an air nozzle is arranged at one end of each air sac, the air sacs are inserted into soil in which plants are planted, each air sac comprises a cylindrical inner pipe and a jacket layer coating the middle part of the corresponding inner pipe, a plurality of air holes are formed in the middle part of each inner pipe, the inner pipes are made from rigid plastics, and the jacket layers are made from rubber materials; the air inflating and pumping equipment is connected to the air nozzles through air pipes; the controller is electrically connected with the air inflating and pumping equipment, gives out a control signal to the air inflating and pumping equipment, and controls the air inflating and pumping equipment to work in the following manner: the air inflating and pumping equipment works cyclically, in each cycle, firstly the air inflating and pumping equipment inflates air to the air sacs once and then pumps air from the air sacs once, so that the jacket layers of the air sacs in each cycle are firstly expanded once and then are contracted once. According to the soil loosening device disclosed by the invention, the air sacs are provided, soil is loosened along with the cyclical expanding and contracting of the air sacs, and besides, root systems of plants cannot be damaged.

The invention discloses an opening device on an opener, which comprises an opening roller, wherein a combing piece is arranged on the outer cylindrical surface of the opening piece; the opening device also comprises a separating-combing plate arranged below the opening roller; the upper surface of the separating-combing plate is in the shape of a concave circular arc in the transverse direction; the upper surface of the concave circular arc of the separating-combing plate and the opening roller are arranged to have the same central shaft; another combing piece matched with the combing piece on the opening roller is arranged on the upper surface of the concave circular arc; and the separating-combing plate is arranged on the opener through a separating-combing plate bracket. Fiber is transferred onto the separating-combing plate, and then grabbed by the combing piece on the separating-combing plate, and the combing piece on the opening roller produces scratching force on the fiber through the rotation of the opening roller so as to complete opening. As the separating-combing plate has the upper surface of the concave circular arc bearing the fiber, the effect of the opening is better than that of first opening in the background art. Therefore, the opening effect of the opener having the opening device is better than the secondary opening effect of two sets of openers arranged in series in the prior art, and the opening device has the advantages of simplifying equipment and reducing set occupied area, thereby reducing production cost.

The invention discloses a soil loosening device for Chinese herbal medicine planting. The device comprises a base, the base is provided with a box, the box is internally provided with a supporting frame and a rotating base, the supporting frame is provided with a motor, a first gear is welded to the output end of the motor, the rotating base is connected with a crank, the crank is provided with asecond gear, a chain synchronization belt is connected between the first gear and the second gear, the end, away from the rotating base, of the crank is provided with a connecting base, the connectingbase is fixedly connected with a transmission rod, the box is also internally and fixedly provided with a first limit base and a second limit base, the transmission rod is fixedly provided with a first limit block, a second limit block and a soil loosener and sequentially penetrates through the first limit base, the second limit base and the base, and four supporting columns are arranged on the lower portion of the base. The device saves the time and energy for manual soil loosening and has the advantages of being simple in structure, convenient to operate and move, better in soil loosening effect and suitable for the field of Chinese herbal medicine planting.

The invention discloses a manufacturing method of a synthetic fiber needled felt with a diversion function. The manufacturing method comprises the steps of: sequentially carrying out two opening working procedures, a carding working procedure, a lapping working procedure, a drawing working procedure, two needling working procedures and a thermoforming working procedure on the synthetic fiber so as to obtain the synthetic fiber needled felt with the diversion function, wherein the two opening working procedures comprise the steps of: firstly feeding the synthetic fiber to a bale opener, sequentially beating by a cotton evening beater and an opening beater to form loosened fiber agglomerates, then feeding the fiber agglomerates into an opener, and opening by an opening cylinder to form uniform bulk fiber; the drawing working procedure comprises the step of longitudinally drawing the fiber net formed after lapping with four groups of drawing mechanisms, and the drawing ratio is 1:2-1:8; and the two needling working procedures comprise the steps of: pre-needling the drawn fiber net from top to bottom, and principally needling the fiber net from bottom to top. The synthetic fiber needled felt with the diversion function prepared by the method is good in uniformity, controllable in thickness, not easy in deformation and high in diversion speed.

The invention relates to an agricultural loosener, in particular to an agricultural push-pull type loosener. The invention aims to provide an agricultural push-pull type loosener with high working efficiency, low manufacturing cost and a good loosening effect. In order to solve the technical problem, the invention provides the agricultural push-pull type loosener which comprises a bottom plate, wheels, a hand pushing rod, a first base, a water tank, an electric push rod, a piston, a cylinder body, a spray nozzle, a hard water pipe, a second check valve, a water pumping pipe, a first check valve, a cylinder, a first connecting block, a first connecting rod, a strut, a top plate, a second base, an L-shaped connecting rod, a second connecting block, a guide plate, a second connecting rod and a round rake. The wheels are arranged at the bottom of the bottom plate, and the left end of the bottom plate is connected with the hand pushing rod. The agricultural push-pull type loosener disclosed by the invention achieves effects of high working efficiency, low manufacturing cost and good loosening effect.

The invention relates to breeding apparatus, and particularly relates to pit-digging breeding apparatus for garden nursery stocks. The technical problem to be solved by the invention is to provide pit-digging breeding apparatus which can automatically loosen soil and rapidly loosen the soil for garden nursery stocks. In order to solve the technical problem, the invention provides the pit-digging breeding apparatus for garden nursery stocks. The apparatus comprises wheels, first support rods, lifting devices, a first guide sleeve, a first rack, a first gear, a first bearing seat, a vehicle frame, a second guide sleeve, a big support frame and the like; the lower part of the vehicle frame is provided with the lifting devices; the lower end of each lifting device is provided with one first support rod; the bottom end of each first support rod is rotatably provided with one vehicle wheel through a pin shaft; and the left upper part of the vehicle frame is provided with the first bearing seat. The apparatus provided by the invention achieves the effects of automatic soil loosening and rapid soil loosening; with the use of the apparatus, large-area soil loosening and seeding tasks can becompleted in a short time; the working efficiency is high, and manual operation is not required.

A novel opener for opening cotton slivers comprises a shell, a feeding baffle plate, supporting legs, a conveying roller, a conveying belt, a conveying motor, a fixing rod, a primary loosening roller,a primary loosening roller belt pulley, a secondary loosening roller, a secondary loosening roller belt pulley, a primary garnetting roller, a primary garnetting roller gear, a primary garnetting roller belt pulley, a secondary garnetting roller, a secondary garnetting roller gear, a secondary garnetting roller belt pulley, a stripping roller, a stripping roller gear, a slackening motor, a primary garnetting motor, a secondary garnetting motor, a garnetting motor belt, a primary garnetting motor belt and a secondary garnetting motor belt. A first slackening cavity, a second slackening cavity,a first garnetting cavity and a second garnetting cavity are sequentially formed in the shell from one end to the other end. Raw materials can be sequentially slackened and garnetted, coarse treatment, fine treatment and stage treatment processes are performed in the opening process of the raw materials, and a system is strong in running continuity, stable in running and good in opening effect.

The invention discloses a liquid open machine comprising a frame arranged with a liquid inlet and a liquid outlet, wherein the frame comprises an open device, a fiber leather separator and a discharge device communicated with a material outlet at one side of the frame, the open device, the fiber leather separator and the discharge device are all connected with a power transmitter. The open device is composed of a rotor and a casing in a chamber of the frame, while the rotor can be arranged with a dial flake or cam. The invention uses the rotor to move liquid and leather block in frame at high speed, to impact the block at high speed to be opened. Compared with prior art, the invention has simple structure, improved working efficiency, better leather fiber quality, long service life of device and low energy consumption.

The invention provides a traction type cyperus esculentus harvester, belongs to the technical field of agricultural machinery, and particularly relates to a cyperus esculentus harvester. The tractiontype cyperus esculentus harvester comprises a main machine frame, wherein a transmission system, a rotary digging device, a digging shovel, an elevating net chain assembly, a travelling wheel combination, a dual-drum threshing device, a vibrating screen assembly, a horizontal conveying device, an impurity sucking fan, a belt elevator and a grain tank are arranged on the main machine frame; the digging shovel is mounted at the rear part of the rotary digging device; the elevating net chain assembly is obliquely arranged on the main machine frame, and two ends of the elevating net chain assemblyare adjacent to the digging shovel and the dual-drum threshing device; the vibrating screen assembly is arranged below the dual-drum threshing device; the horizontal conveying device is located outside an outlet of the vibrating screen assembly; the impurity sucking fan is arranged above the horizontal conveying device; and the lower end of the belt elevator is located below the front part of thehorizontal conveying device, and the upper end of the belt elevator extends to the edge of a grain tank. Through the adoption of the traction type cyperus esculentus harvester disclosed by the invention, the harvesting efficiency is notably improved, the machine harvesting loss is reduced, and operating cost is saved.

The invention discloses an environment-friendly cotton opener for textile with a plurality of opening rollers. The cotton opener comprises a machine frame, wherein a desktop is fixed to the upper endof the machine frame; a mounting frame is fixed to the upper end of the desktop; an opening box is fixed to the upper end of the mounting frame; an opening mechanism is connected to the opening box ina rotary manner; a blanking channel is communicated to the lower end of the opening box; a fan is fixed to one side of the mounting frame; the fan is communicated with the blanking channel through aventilation pipeline; a first motor is fixed to the upper end of the machine frame; a first belt pulley is fixed to the first motor; the first belt pulley is in transmission connection with the opening mechanism; supporting plates are fixed to both sides of the machine frame; a screen mesh is placed on the supporting plates; and a vibrating motor is fixed to one end of the screen mesh. Through theabove structure, a cotton opening manner from coarse to medium, from medium to fine and step by step is realized, the cotton opening quality is high, the efficiency is high, and dust in the raw cotton is sucked into a storage bag by a fan, so that environmental protection and pollution-free are realized.

The invention discloses a biomass gasification furnace convenient for air inlet and ash discharge. A bottom-top feeding way is adopted. A hearth comprises a feeding pipe, a hearth air inlet device and an ash discharge device, wherein the hearth air inlet device and the ash discharge device are arranged on the bottom inside the hearth and arranged surrounding the feeding pipe or a feeding opening in the hearth; annular air ducts (21) in the hearth air inlet device is arranged above a vibrating sieve (7) in the ash discharge device, and the annular air duct (21) is connected with the vibrating sieve (7). The annular air duct and the vibrating sieve vibrate simultaneously, the annular air ducts and the air pipe also can vibrate simultaneously, so that not only can the uniformity in air feeding in the hearth be favored, but also a good effect of loosening the ash in the hearth can be realized, and the ash can be conveniently discharged.

The invention provides a soil loosening and mashing device for soil remediation. The soil loosening and mashing device comprises a shell, a digging assembly connected with the shell and a driving device which is arranged on the shell and is used for driving the digging assembly. The soil loosening and mashing device is characterized in that the digging assembly comprises mounting plates connectedwith the shell; a first transmission wheel is arranged at one connection end of the mounting plates and the shell; a second transmission wheel is arranged at the other ends of the mounting plates; driving wheels connected with the first transmission wheel are arranged on the mounting plates arranged on the two sides of the first transmission wheel; the driving wheels are connected with the drivingdevice through a conveyor belt; a conveying chain is arranged on the mounting plates; digging cutters are uniformly arranged on the surface of the chain at intervals; and a protection cover is arranged on the shell of the top part of the digging assembly. The soil loosening and mashing device disclosed by the invention is used for performing loosening and mashing treatment on polluted soil in advance, and does first-phase preparation works for subsequent soil remediation treatment.

The invention provides a fast connection pipe fitting. The fast connection pipe fitting comprises a pipe core, a shell base, a shell sleeve and a jacket pipe sleeve. A first installing groove is formed in the outer side wall of the pipe core. The shell base is provided with a channel for containing the pipe core. The side wall used for forming the channel is provided with a first flange. The first flange is installed in the first installing groove. The shell sleeve is arranged outside the pipe core in a sleeving manner. The end of the shell sleeve is connected with the shell base. The jacket pipe sleeve is arranged outside the pipe core in a sleeving manner. A containing space used for a pipe material to be inserted is arranged between the jacket pipe sleeve and the pipe core. The jacket pipe sleeve is clearance fit with the shell sleeve. The jacket pipe sleeve comprises an annular pipe arranged outside the pipe core in a sleeving manner and a plurality of clamping pieces connected with the annular pipe. The end of the shell base is provided with a gradual expansion face which is gradually expanded in the axial direction of the pipe core. The end of each clamping piece makes contact with the gradual expansion face at the end of the shell base. Compared with a connecting pipe in the prior art, the fast connection pipe fitting makes the pipe material convenient to disassemble and assemble, and the effect of preventing the pipe material from getting loose is good.