50results about How to "Convenient cleaning work" patented technology

The invention discloses a method for producing a seed by using a three-line hybrid rice sterile line with a purple leaf marker, comprising the following steps of: (1) arranging the sowing time according to the leaf difference and the time difference of the sterile line and the selected restoring line; (2) raising rice seedlings by using a rice seedling bed; (3) arranging an impurity removal work for a female parent rice field in a rice seedling period, and carrying out water and fertilizer management for a male parent and the female parent, wherein a female parent belongs to the sterile line of a purple leaf, therefore, plants with green leaves in the female parent rice field are needed to be pulled up; (4) enabling the ratio of female parent rows to male parent rows in a seed field to be 2:(12-14) and the number of the male parent rows to be 2 in different sowing times, and transplanting male parent plants into a row shaped like a Chinese character pin; (5) spraying Berelex; (6) carrying out artificial supplementary pollination; (7) isolating to prevent hybrid; (8) strengthening the water and fertilizer management and pest control works for the seed field; and (9) mechanically harvesting the male parent in advance. The method has the advantages of time and labor saving and cost reduction. The sterile line is provided with the purple leaf marker; labor can be saved due to the convenient impurity removal work; and mechanical harvesting is adopted, so that the production cost is reduced.

The invention relates to the field of pet breeding, particularly a turtle isolated breeding method and breeding apparatus, and aims to solve the problems of poor sanitary conditions and high difficulty in household turtle breeding in the present stage. By using the isolated arrangement mode composed of a food intake box, an activity box and a health care box, the food intake, daily activities and disease treatment of turtles are performed isolatedly; and the box body structure formed by the double-layer rotating plate is utilized to store food residues, and the adjustment of the inclination angle and inclination direction of the double-layer rotating plate is matched with a water injection control valve for injecting water into the food intake box so as to discharge the food residues through a food input port in the wall of the food intake box. The turtle isolated breeding method and breeding apparatus avoid the water pollution of daily activity and rest areas of turtles from food residues, and implement reasonable ecological breeding.

The invention discloses a novel electric power cabinet with hightemperature alarm function. The novel electric power cabinetincludes a power cabinet body, An maintenancedoor is installed on the frontside of the power cabinet body, a control switch is embedded on the front surface of the access door, a shelving plate is arranged on the inner wall of the inner rear side of the power cabinet body, aPT100 temperature sensor is embedded on one side of the inner wall of the power cabinet body, and a base is fixedly installed on the lower end of the power cabinet body. As that PT100 temperature sensor and the alarm lamp are arranged, can detect whether the temperature inside the power cabinet exceeds the standard value, draw attention, A heat dissipation chamber and a fan are arranged, so thatthe temperature in the power cabinet body in time can be lowered so as to ensure the normal work of the electronic components in the power cabinet body, and the cabinet is provided with an electro-hydraulic rod, a telescopic rod and a connecting plate, so as to facilitate the ash cleaning work of the filter screen in the heat dissipation room, prevent dust from falling into the power cabinet body,and ensure the normal heat dissipation of the power cabinet body.

The invention discloses a protective film stretching device. The protective film stretching device comprises an anti-skid rubber sleeve, a handheld rod, a supporting base, a supporting column, a machine base, a stretching motor, a poking switch, a rotating shaft, a protective film winding wheel, a brake disc, a plug pin, a protective film body, an adjustable protective film surface flattening plate structure, a protective film surface dust cleaning roller structure and a protective film stretching and packaging rear shearing device, wherein the anti-skid rubber sleeve is longitudinally sleevedat the middle position of the outer wall of the handheld rod. According to the protective film stretching device, a flattening sheet and a fixing plate are arranged to facilitate flattening work of the protective film in the stretching process, so that the stretching work can be better carried out, and the packaging work is guaranteed; an adjusting plate, a rectangular through groove, a wing-shaped screw and a rotating tube are arranged, so that the position of the fixing plate can be adjusted according to the stretching requirement, so that the stretching and flattening work can be conveniently carried out.

The invention discloses a mud-sand-water filtering device for laboratories. The mud-sand-water filtering device comprises a conical water inlet hopper with a large upper part and a small lower part, and the conical water inlet hopper is downwards connected with a water inlet pipe; the water inlet pipe is downwards communicated with a water inlet cavity, the side wall of the water inlet cavity is connected with a filter plate; the filter plate is connected with a water outlet cavity; a plurality of filter holes communicating with the water inlet cavity and the water outlet cavity are distributed in the filter plate; the water outlet cavity is connected with a water outlet pipe; a plurality of vibration cavities are uniformly formed in the filter plate, and an elastic ball is arranged in each vibration cavity. During work, the elastic balls continuously jumps in the vibration cavities and impact the inner walls of the vibration cavities, so that vibration impact is generated on the filter plate, impurities in the filter holes are more easily separated from the filter holes, and a good anti-blocking effect is achieved. Due to the precipitation process and the filtering process, the effects of purifying water and recycling mud and sand are good, the burden of a drainage system is reduced, and mud and sand waste is reduced.

The invention discloses a gasification furnace capable of achieving sufficient burning and belongs to the technical field of gasification furnaces. The gasification furnace capable of achieving sufficient burning comprises a furnace body and a heat preservation shell. A water storage layer is arranged between the furnace body and the heat preservation shell. A fire grate is fixedly connected to the bottom of the furnace body, a steam generation pipe and a heat supply pipe which communicate with the water storage layer are connected to the top of the heat preservation shell, and the end, away from the heat preservation shell, of the steam generation pipe is connected with a lifting mechanism arranged on the top of the furnace body. A lead screw in the furnace body is connected to the movable end of the lifting mechanism, a first bulking frame is fixedly connected to the outer side wall of the lead screw through a fixing ring, a second bulking frame below the first bulking frame is further slidingly connected to the outer side wall of the lead screw, a pull rod is slidingly connected to the fixing ring, the end, penetrating through the fixing ring, of the pull rod is fixedly connected with the second bulking frame, and a positioning ring is fixedly connected to the inner side wall, close to the fire grate, of the furnace body. According to the gasification furnace, the problems that the fuel is accumulated in the burning process and the furnace ash cannot be removed in time are solved, and the burning efficiency is improved.

The invention discloses purification equipment for waste paper pulping and with a suspension tank device. The equipment comprises a box body, a dewatering and screening device and a suspension purification device, wherein the box body is communicated with the dewatering and screening device; the dewatering and screening device is communicated with the suspension purification device; the upper endof the box body is fixedly connected with a first motor; the output end of the first motor penetrates through the box body; the first motor is electrically connected with an external power supply; theoutput end of the first motor is fixedly connected with a connecting rod; and the lower end of the connecting rod is fixedly connected with a plurality of first stirring rods. According to a scheme in the invention, the possibility that floating impurities enter the box body can be reduced; therefore, during subsequent filtration and water treatment, the impurities are not mixed into discharged wastewater, so the time and purification burden of the suspension purification device for treating the wastewater are reduced, the purification operation of the suspension purification device on discharged wastewater is facilitated, and treatment efficiency and treatment quality during wastewater can be improved.

The invention discloses biogas purification treatment equipment. The equipment comprises a shell, a corrugated plate and a hollow column, wherein a filtering chamber is mounted in the top end of the shell; the bottom end of the filtering chamber is connected with an air inlet; a first filtering plate is fixed in the filtering chamber; a second filtering plate is arranged over the first filtering plate; filtering holes are formed in the second filtering plate; a connecting pipeline is connected to the top end of the filtering chamber; a purifying chamber is connected to the surface of the top end of the connecting pipeline; and a connecting plate is fixed in the purifying chamber. Through the shape of the corrugated plate and the through holes in the corrugated plate, the flowing directionof a gas in the purifying chamber can be changed; the through holes are formed in the same staggered manner, so that the staying time of the gas in the purifying chamber is effectively prolonged, thetoxic gas in the biogas can be sufficiently catalyzed, and the purification efficiency of the biogas treatment equipment is effectively improved.

The invention discloses a method for rapidly detecting a buffalo fasciola spp antibody, and belongs to the technical field of cattle plague disease detection. The method comprises the following steps:S1, preparation of an anti-buffalo IgG (Immunoglobulin G) monoclonal antibody 2G7 golden standard antibody conjugate pad; S2, preparation of a detection band: spraying a goat anti-mouse IgG antibodyand a fasciola spp ES antigen on a nitrocellulose membrane respectively to serve as a line C and a line T; S3, assembly of a detection strip; and S4, detection and result judgement: judging whether the antibody is positive or negative through a color development reaction of the detection band. The method has the advantages of rapid detection, easiness and convenience in operation, easiness in judgement, high specificity and the like, and provides a practical and effective method for detecting the buffalo fasciola spp antibody. The method has low requirements on operation techniques of detection personnel, does not need any special instrument equipment, and is suitable for being used during popularization on grass roots.

The invention discloses a bed capable of achieving on-bed patient bathing. The bed comprises a bed frame and is characterized in that the top of the bed frame is sequentially provide with mesh cloth and a bed board, one end of the bed board is rotatably connected with the bed frame, and the bed board is horizontal when the other end of the bed board is connected with the bed frame through a fixingbolt; a water spraying rod support is slidably arranged on the bed frame, a water spraying rod is arranged at the top of the water spraying rod support and connected with a water pump arranged at thebottom of the bed frame, and the water pump is connected with a hot water tank or a water heater; a waterproof curtain is arranged on the bed frame between the mesh cloth and the bed board, and the waterproof curtain is in slide fit with a waterproof curtain slide groove through sliders; a drain pipe is arranged below the waterproof curtain and extends into a sewage tank at the bottom of the bedframe. The bed capable of achieving on-bed patient bathing is simple in structure and capable of conveniently achieving on-bed patient bathing.

The invention provides a multifunctional constructed wetland communicating device capable of collecting a water sample, which comprises a biological pond retaining wall, a fixing hole, a packed bed, acollection box, a water absorption pipe, a guide pump, an insertable rolling filter screen structure, a detectable floating cover structure, a shielding control cover structure, an observable measurement sample conveying pipe structure, a fixing seat, an L-shaped conveying pipeline, a through hole, an L-shaped adding pipe and a silica gel cap, wherein the fixing hole is formed in the upper part of the middle position in the biological pond retaining wall; and the packed bed is arranged on the left side of the biological pond retaining wall. Through the arrangement of the filter screen, the fixing pipe, a conical inserting rod and a lifting ring, the lifting ring can be grabbed to lift the conical inserting rod in long-time work, then the filter screen is pulled, non-degradable white garbage such as plastic bags is collected in the filter screen pulling process, and the sewage treatment work is prevented from being influenced in work.

The invention relates to a primary air filter. The primary air filter comprises a shell (1), a shell cover (2) and a filter body arranged in an inner cavity of the shell (1). The shell cover (2) is connected to the shell (1), the shell (1) is provided with air inlet holes (3) and air outlet holes (4), and the air inlet holes (3) communicate with the air outlet holes (4) through the filter body. The primary air filter is characterized in that the air inlet holes (3) are located in the lower portion of the filter body, the air outlet holes (4) are located in the upper portion of the filter body,the filter body comprises a box body (5) and solid particles (6) with which an inner cavity of the box body (5) is filled, and the upper wall and the lower wall of the box body (5) are of a net-shaped structure. The primary air filter has the beneficial effects that large dust, sand dust and other dirt contained in air can be filtered out, accordingly, primary filtering of air is achieved, the work load of a rear-level air filter can be greatly reduced, and the service life of the rear-level air filter is greatly prolonged.

The invention discloses an overwater river channel cleaning device for a water conservancy project. The overwater river channel cleaning device comprises a first fixing plate, a second fixing plate, asliding rod, a threaded rod and a sleeve, wherein the first fixing plate and the second fixing plate are symmetrically arranged; the top ends of the sides, close to each other, of the first fixing plate and the second fixing plate are fixedly connected with the sliding rod; and the threaded rod is rotationally arranged on the sides, close to each other, of the first fixing plate and the second fixing plate. According to the overwater river channel cleaning device, through an arranged intercepting net, the cleaning area of river channel cleaning is increased, meanwhile, under driving of a stepping motor, storage can be conducted, a user can conveniently conduct dirt removing work on the intercepting net, and the situation that an existing river channel cleaning device is small in cleaningarea is avoided; and a filter net is hung and connected to a first supporting rod and a second supporting rod, the intercepting net can be conveniently and rapidly replaced or cleaned, the situation that the existing river channel cleaning device is not convenient to clean is avoided, and usage is convenient for the user to a certain degree.

The invention discloses a coal furnace. Due to the fact that a flow guiding cavity and a rotational flow combustion cavity are formed in a traditional coal furnace, disturbance and rotational flow of gas are achieved through a screw-type rotational flow air cylinder, and the flow speed and the heat conductivity of the gas are accelerated. Therefore, the combustion rate of fuel inside the coal furnace is increased, the generation of harmful gas like carbon monoxide is reduced, meanwhile, the heating efficiency of the coal furnace is improved, and the coal furnace has good social benefits.

The invention discloses a novel seawater desalination pretreatment equipment, which comprises a main body, wherein supporting legs are fixedly connected to the two sides of the top of the main body, a circulation pipeline is arranged in the middle of the inner wall of the left side of the main body, a bearing frame is fixedly connected to the left side of the top of the main body, a treatment device is fixedly connected to the top of the bearing frame, and a control key is fixedly connected to the middle position of the right side of the top of the main body. The invention relates to the technical field of seawater desalination equipment. According to the novel seawater desalination pretreatment equipment, impurities entering the equipment can be intensively cleaned by a precipitation control body, peculiar smell caused by internal residual impurities when the interior is not used for a long time is prevented, and meanwhile, a movable contact plate is arranged in a multi-medium filter, so that the possibility of internal residual impurities is further reduced, convenience is effectively provided for cleaning of the device after filtering, the device is not prone to shaking after being fixed, and the situation that parts of the device are damaged due to collision is reduced.

The invention provides sludge synthetic fuel and a manufacturing method thereof. Sludge generated when a sewage treatment plant treats industrial wastewater and urban domestic wastewater is used as a raw material, and the mass ratio of sludge to pulverized coal is 2:1-19:1. The sludge and the pulverized coal are uniformly mixed in a stirrer and other stirring devices according to the weight percentage, then the mixture is conveyed through a conveyer belt and other conveying devices to a pelletizer or a press machine for fuel forming, and the formed fuel is dried in the shade place for 3-5 days and then can be combusted. The sludge synthetic fuel is simple in formula and good in combustion working condition and environmental protection performance, saves coal resources, turns waste into wealth and greatly reduces sludge treatment cost.

The invention belongs to the technical field of metal materials, and particularly relates to a scrap decontaminating device used for metal materials. Aiming at the problems of low efficiency in use and massive dust in use of existing scrap decontaminating devices for metal materials, the following scheme is proposed: the device comprises a base, wherein one side of the top of the base is connectedwith a first tank by a bolt, the middle of the top of the base is connected with two second tanks by bolts, the top of the first tank is connected with a third tank by a bolt, and the middles and tops of two sides of the third tank are respectively provided with a rectangular through slot. According to the invention, a vibrating sieve plate is used for performing primary screening, so as to intercept large particle sundries, achieve a primary decontamination effect, reduce later decontamination workload, improve the working efficiency, realize continuous operation of the decontamination work,and remarkable improve the decontamination efficiency; and meanwhile, the alternative working manner can avoid the problem of heavy load of an electromagnet, and protect the scrap decontaminating device.

The invention discloses a ventilating fan with an air filter structure. The ventilating fan comprises a shell, a collecting groove and a second filter mechanism. A ventilation opening is formed in a side face of the shell, a blind is connected into the ventilation opening, a back plate is connected to the back face of the shell, an inner cavity is fixed into the shell, a first filter mechanism ismounted in the inner cavity, a purifying mechanism is mounted on the back face of the first filter mechanism, and the collecting groove is formed in the surface of the bottom end of the inner cavity.Through arranging of diameters of inner meshes between a first filter plate and a second filter plate, impurities with different diameters mixed up with air sucked in by the ventilating fan are filtered, therefore the problems that due to large impurity particles, the interior of the purifying mechanism is blocked, the direction of inner air flowing in the purifying mechanism is affected, and thepurifying efficiency of the purifying mechanism is affected can be solved, and due to arranging of the filter plates, convenience is provided for operation of purifying work of purifying equipment.

The invention discloses an air purifying and filtering device for removing formaldehyde. The device comprises a bottom plate, a first fixing plate is fixedly connected to the upper surface of the bottom plate, a shell is in threaded connection with the outer side wall of the first fixing plate, a first filtering net, a formaldehyde filtering net and an activated carbon plate are arranged in the shell, the formaldehyde filter screen is located above the first filter screen, the activated carbon plate is located above the formaldehyde filter screen, in the using process of the device, the shellis in threaded connection with the first fixing plate, so that the shell is convenient to disassemble, meanwhile, the first filter screen, the formaldehyde filter screen and the activated carbon plateare in sliding connection on the rod body. The first filter screen, the formaldehyde filter screen and the activated carbon plate are convenient to disassemble, replace or clean, the air purificationeffect of the device is guaranteed, formaldehyde is purified more thoroughly, air purification work is facilitated, operation is easy, and convenience is brought to users.

The invention discloses a gasification furnace with sufficient combustion, which belongs to the technical field of gasification furnaces; the gasification furnace with sufficient combustion includes a furnace body and a heat preservation shell, a water storage layer is arranged between the furnace body and the heat preservation shell, and the bottom of the furnace body is fixed A fire grate is connected, and the top of the insulation shell is connected with a steam generation pipe and a heat supply pipe connected with the water storage layer. The end of the steam generation pipe far away from the insulation shell is connected with a lifting mechanism placed on the top of the furnace body, and the movable end of the lifting mechanism is movable. The end is connected with a screw rod placed in the furnace body, the outer wall of the screw rod is fixedly connected with the first fluffy frame through the fixing ring, and the outer wall of the screw rod is also slidably connected with the second fluffy frame placed below the first fluffy frame, the fixing ring The upper slide is connected with a pull rod, and one end of the pull rod passing through the fixed ring is fixedly connected with the second fluffy frame, and the inner wall of the furnace body close to the fire grate is fixedly connected with a positioning ring; the invention avoids accumulation of fuel during combustion and untimely cleaning of furnace ash problem, improving combustion efficiency.

The invention relates to the field of concrete mixing devices, in particular to a concrete mixing device that moves up and down, including a base, a stirring structure, a dust removal structure, a lifting structure, a screening structure and a dumping structure; During the working process of mixing cement into concrete, it can work synchronously with the dust removal structure. Through the work of the dust removal structure, the dust on the mixing structure can be removed in time, so as to avoid the accumulation of dust on the mixing work of the mixing structure. The lifting structure can also synchronously drive the screening structure to work while performing the lifting work. Through the screening work of the screening structure, the large particles of impurities inside the sand can be screened out, so that the quality of the concrete can be guaranteed, and since the screening work of the screening structure is carried out simultaneously with the loading work, the processing efficiency can be greatly improved.

The invention relates to a controllable hybrid mechanism type ultrasonic tooth-cleaning robot. A first connecting rod of the robot is nested on a fixed platform; a second connecting rod is connected with the first connecting rod through a first pin; a first hooke hinge is connected with the second connecting rod through a second pin; a third connecting rod is connected with the first hooke hinge through a third pin and is connected with a moving platform in a welding manner; a fourth connecting rod is nested on the fixed platform; a fifth connecting rod is connected with the fourth connecting rod through a fourth pin; and a second hooke hinge is connected with the fifth connecting rod through a fifth pin. The robot is strong in rigidity, high in stability, accuracy in positioning, good in local flexibility, more convenient in operation and simpler in step, improves the working efficiency of a dentist of cleaning teeth of a patient and lowers the fatigue degree of a medical worker.

The invention discloses a multifunctional cleaning tool set, and particularly relates to the technical field of cleaning tool sets. The multifunctional cleaning tool set comprises a storage box body, a placing box and a top cover; a net plate is arranged at the bottom of the placing box; and a water collecting groove is formed in the storage box body and below the placing box; a drainage groove communicated with the water collecting groove is formed at the bottom of the storage box body; a telescopic rod assembly is clamped on the rear side of the storage box body through a positioning structure; a placing rod is arranged on the front side of the storage box body through an extension structure; and an ultraviolet germicidal lamp is installed in the top cover in an embedded mode. The multifunctional cleaning tool set has the effects of collecting and draining residual water on cleaning tools, sewage is prevented from being gathered in the storage box body to contaminate the cleaning tools and breed bacteria, the cleaning tools can be tidied and stored by arranging the storage box body and the placing box, residual water generated after cleaning of the surfaces of the cleaning tools is separated through a net plate and gathered into a water collection tank; and the ultraviolet germicidal lamp is matched to effectively prevent bacterium breeding.

The invention provides a traditional Chinese medicine needle warming moxibustion device capable of automatically controlling temperature, which comprises a base; three ends of the bottom of the base are connected with antiskid plates through hinges; a combined cylinder is clamped to the surface of the top of the base, a locking hoop is clamped in a tightening groove in the bottom of the combined cylinder, a lock catch is slidably connected to the front end of the locking hoop, and locking cover plates are hinged to the tops of the two ends of the lock catch; an adjusting baffle is slidably connected to the middle of the outer side wall of the combined cylinder; and a top cover is buckled at the top of the combined cylinder. According to the invention, a ventilation hole of the combined cylinder is blocked by sliding the adjusting baffle, so that the size of the ventilation hole is changed, the combustion speed of moxa sticks in the combined cylinder is controlled, the temperature transmitted to the filiform needle by the moxa sticks is conveniently controlled, the temperature needed by treatment of a patient is achieved, and the patient is prevented from being scalded.

The invention provides a multifunctional chemical device tail gas waste heat recovery device which comprises a waste heat collecting box, a supporting frame, an air inlet hole, an air outlet hole, an air inlet pipe, a vibratile flue gas filtering frame structure, a pullable shielding collecting box structure, a guidable waste heat collecting cover structure, a cleanable discharging box structure, a cleaning hole, a connecting pipe, a discharging pipe, a fixed connecting plate, a fixing hole and a fixing cavity. The supporting frame is connected to the left side of the inner bottom end of the waste heat collecting box through bolts and arranged on the left side of the inner part of the fixing cavity. According to the multifunctional chemical device tail gas waste heat recovery device provided by the invention, through the arrangement of a fixing frame, a filtering frame, a filtering net piece, a first supporting plate, a vibration mechanism, a first fixing plate, a dust removal box and a waste heat collecting box, the first supporting plate is driven by the vibration mechanism to vibrate in the using process, and then the filtering frame and the filtering net piece are driven by the first supporting plate to vibrate, so that dust in tail gas can be conveniently cleaned in the using process, and the dust in the tail gas is prevented from affecting waste heat collection work.

The invention discloses a biological sewage treatment system which comprises a water collection tank, a treatment device shell, a water outlet pipe and a disinfection tank. The water collection tank is arranged on one side of the treatment device shell, and the water outlet pipe is arranged on the other side of the treatment device shell. According to the system, more bubbles in sewage is conveniently removed, so that the sewage is conveniently purified, sewage treatment efficiency is improved, a cleaning device can be started, the inner walls of a sedimentation tank, a secondary contact tank,a primary contact tank and a primary sedimentation tank are more conveniently and rapidly cleaned by a cleaning brush, manpower and material resources are also saved, a device is mechanically and more conveniently used and cleaned, the treatment system is simple in structure, easy to operate and environmentally friendly, heat is sufficiently used, energy is saved, purifying effects of sewage arebetter, and the device is convenient and ingenious to use and suitable for wide popularization.

The invention discloses a bed capable of achieving on-bed patient bathing. The bed comprises a bed frame and is characterized in that the top of the bed frame is sequentially provide with mesh cloth and a bed board, one end of the bed board is rotatably connected with the bed frame, and the bed board is horizontal when the other end of the bed board is connected with the bed frame through a fixingbolt; a water spraying rod support is slidably arranged on the bed frame, a water spraying rod is arranged at the top of the water spraying rod support and connected with a water pump arranged at thebottom of the bed frame, and the water pump is connected with a hot water tank or a water heater; a waterproof curtain is arranged on the bed frame between the mesh cloth and the bed board, and the waterproof curtain is in slide fit with a waterproof curtain slide groove through sliders; a drain pipe is arranged below the waterproof curtain and extends into a sewage tank at the bottom of the bedframe. The bed capable of achieving on-bed patient bathing is simple in structure and capable of conveniently achieving on-bed patient bathing.

The invention discloses equipment for purifying metal in an automobile exhaust catalyst. The metal purification equipment comprises a bottom plate, the top of the bottom plate is fixedly connected with a protective shell, the top of the protective shell communicates with an air inlet pipe, and a filtering and discharging layer is arranged in the middle of the bottom of an inner cavity of the protective shell. Purification devices are fixedly connected to the tops of the inner walls of the two sides of the filtering and discharging layer, and rotating rings are arranged in the middles of the tops of the purification devices. The invention relates to the technical field of tail gas purification. According to the metal purification equipment in the automobile exhaust catalyst, generated wind power can clean objects adhering to the inner wall, the diameters of the two ends of the purification body are small, the diameter of the middle of the purification body is large, the purification concentration of exhaust can be increased when the exhaust is located in the purification body, resource waste during purification is avoided, and the blocking area is reduced when the fixing support is fixed. It can be guaranteed that the device is in a stable working environment, meanwhile, protection in the device is improved, and the device is not prone to being damaged due to corrosion.

The invention discloses a foldable and elongated drainage tube device, and relates to the field of medical equipment. The device includes a transparent box body and an installation box, the transparent box body is provided with a strap, the upper end of the transparent box body is provided with a top plate, and a moxibustion column is movably inserted into the top plate; the top plate is providedwith an installation groove located in one side of the moxibustion column, a pressure plate with one end pressed on the moxibustion column is slidably fitted in the installation groove, a connecting column of which the upper end penetrates the top plate and can move along the lateral direction is fixed to the top of the pressure plate, and a spring located in the installation groove is fixed between one end, far away from the moxibustion column, of the pressure plate and the top plate; and a heat insulation net is fixed on the inner wall of the lower end of the transparent box. The whole device is simple in structure and low in preparation cost, the burning situation of moxibustion can be conveniently watched, smoke produced by burning can be purified, at the same time, buffering can be performed when a patient turns over to prevent a drainage tube from falling off, and in addition, the side surface of the transparent box is provided with an opening to facilitate dust removal work.