31results about How to "Prevent dust leakage" patented technology

The invention discloses a waste recycling and regenerating device used in a flue gas purification method. The waste recycling and regenerating device comprises a wastewater regeneration system which is connected with flue gas purification equipment, wherein the flue gas purification equipment is a treatment unit for achieving desulfurization and denitrification of original flue gas; the wastewater regeneration system is a reuse unit which is used for separating the wastewater generated from desulfurization and denitrification by the flue gas purification unit and used for respectively preparing products of Na2SO4 and NaNO3. The waste recycling and regenerating device is simple to operate, pollutants in original flue gas are removed, and environment pollution is reduced, products of Na2SO4 and NaNO3 can be produced, the cost of atmospheric pollutant treatment is greatly lowered, the secondary pollution is avoided, and good social benefits and economic values are achieved.

The invention relates to a seal charging valve and relates to the field of hoppers. The seal charging valve comprises a hopper; the lower end of the hopper is provided with a discharge hole; the upper end of the hopper is provided with a charging plane sluice gate; the charging plane sluice gate is provided with a bell sealing structure; the discharge hole of the hopper is provided with an automatically controlled seal sluice gate. According to the seal charging valve, a charging hole is provided with the charging plane sluice gate and the discharge hole is provided with the bell; during charging, the charging plane sluice gate is opened, the bell is closed, and materials enter the hopper from a raw material cabin; during discharging, the charging plane sluice gate is closed, the bell is opened, the seal charging valve operates in a recycle mode as above, and the charging plane sluice gate and the bell alternately operate in a combination mode; meanwhile the charging plane sluice gate and the bell are provided with seal structures, dust is prevented from escaping, air flows are effectively prevented from flowing reversibly, and accordingly stabilization of air pressure inside a system and normal discharging of materials are guaranteed.

The invention discloses an architectural decoration engineering type wall drilling electric drill anti-dust device and relates to the technical field of architectural decoration engineering equipment.The device comprises a dust cover. A first connecting sleeve is fixedly connected to the narrow-opening end of the dust cover. A fixed connection barrel is arranged at the end, away from the dust cover, of the inner surface of the first connecting sleeve in an inserted manner. A fixing device is connected to the end, away from the first connecting sleeve, of the fixed connection barrel. A secondconnecting sleeve is fixedly connected to the end, away from the first connecting sleeve, of the dust cover. The architectural decoration engineering type wall drilling electric drill anti-dust devicecomprises the dust cover, and the purpose that dust is effectively prevented and collected in the drilling process is achieved; the device is low in application cost and convenient to use; in the drilling process, by means of the dust cover, the problem that the dust and rock fragments spatter to hurt workers can be effectively prevented, and in addition, relative personnel can be effectively prevented from inhaling much dust; the dust generated in the drilling process can be collected and disposed; the indoor environment can be maintained to be clean conveniently, and cleaning can be conducted conveniently.

The invention relates to an automatic dust-free batching scale, which comprises a support, a stock bin, a feeding device, a guide rail, a horizontal movement framework, an elevating framework, a weighing sensor, a batching bucket and a control system. During an operation, the large-volume batching bucket is pushed into a first feeding station, and the feeding process of multiple materials can be automatically completed according to a formula by the system; and dust leakage is prevented by adopting a hermetic sealing technology. The automatic dust-free batching scale disclosed by the invention has the advantages of high measuring accuracy, high automation degree and avoidance of human errors.

The invention provides a method for preventing a cement bag from leaking ash, and a cement bag sealing device. The cement bag sealing device comprises a stand, and an ash blocking gasket positioning mechanism, a filling port forming mechanism, a bag pressing mechanism, an edge rolling mechanism and a bag sewing mechanism which are fixed on the stand; the ash blocking gasket positioning mechanism comprises a positioning push block, a positioning cylinder, an air pipe and an air pump; the interior of the positioning push block is of a hollow structure; multiple exhaust holes are formed in one side of the positioning push block; an intake port protruding from the surface of the positioning push block is welded to the part, at the side opposite to the exhaust holes, of the positioning push block; the intake port is connected with the air pump through the air pipe; and the edge rolling mechanism comprises a double-layer edge rolling former and a pressing piece which are positioned on the head and tail sides of a bag body. By tailoring the cement bag, precisely positioning an ash blocking gasket, performing double-layer edge rolling and sewing the cement bag with a line of threads, the ash blocking gasket is provided with an enough large blocking face for blocking pinholes during filling of cement, so that the ash leakage phenomenon is effectively prevented, the pollution and the waste are reduced, and the consumption of sewing threads is reduced.

The invention discloses a dust removal device on the surface of a wine bottle, which comprises a bottom plate, a groove is opened in the middle of the bottom plate, a feeding plate is clamped in the groove, a bolt is threadedly connected to the bottom of the feeding plate, and the bottom of the bolt extends to the bottom of the bottom plate Outside the bottom, a bracket is installed on the top of the bottom plate, and fixed blocks are welded on the inside of the bracket, and the fixed blocks are connected to each other through cross bars. In the present invention, by setting a cover plate, a telescopic spring, a storage box, a cavity, a limit plate and a fixing nut, the electrostatic precipitator can remove dust, blow air and release the tempered glass on the feeding plate through the static eliminator arranged on the bracket. Positive and negative ions, and by turning on the motor, the wire rope is pulled, thereby driving the cover plate to slide back and forth on the cross bar, realizing the automatic purge function, greatly reducing the sundries and static electricity attached to the wine bottle, and eliminating the need for employees to manually operate blowing The procedure of sweeping the glass effectively reduces the labor intensity, avoids the phenomenon of leakage and dust removal, and improves the work efficiency.

The invention discloses a dust collection station of dust collection equipment and the dust collection equipment, the dust collection station comprises a main body, an air pipe and a movable frame. The main body is provided with a dust collection cavity, and the main body is provided with a dust collection port; one end of the air pipe is communicated with the dust collection port, and the other end extends into the dust collection cavity; the movable frame is movably arranged in the dust collection cavity, and a dust collection container is detachably arranged on the movable frame; when the movable frame moves to a preset position, the other end of the air pipe can extend into the dust collection container; when the movable frame deviates from the preset position, the end of the air pipeextends out of the dust collection container. The movable frame is arranged in the dust collection cavity and the dust collection container is detachably arranged on the movable frame, the movable frame moves to enable the air pipe to extend into or out of the dust collection container, the dust collection container is more convenient to take out, the operation is easy, time and labor are saved, the air pipe extends into the dust collection container to be matched, the sealing reliability of the dust collection container can be improved in this way, and dust leakage is effectively prevented.

A positive-pressure sealing and rapid cover plate opening embedded scraper transporter comprises a head part, a tail part and an intermediate section, all of which are provided with access doors. The head part is provided with a head sealing mechanism, and the tail part is provided with a tail sealing mechanism. The intermediate section is provided with a sealing and rapid upper cover opening mechanism, and the access doors are provided with sealing and rapid viewing door opening mechanisms. According to the positive-pressure sealing and rapid cover plate opening embedded scraper transporter, through well sealing on the shaft stretching-out end of the embedded scraper transporter, the access doors, an upper cover and other places where dust is possibly generated, environment pollution is reduced; and through the improvement on the access doors and an upper cover locking mechanism, rapid cover opening is convenient, and time is saved.

The invention belongs to the field of building robots, and particularly relates to an automatic wall building machine. The automatic wall building machine comprises a chassis, a plurality of wheels are arranged on the side, close to the ground, of the chassis, a main hydraulic cylinder is arranged on the side, away from the ground, of the chassis, the output end of the main hydraulic cylinder is rotationally sleeved with a brick conveying component, and the end, close to the chassis, of the brick conveying component is rotationally sleeved with the chassis. A plastering component is arranged at one end, far away from the chassis, of the brick conveying component and is responsible for uniformly smearing cement ash on the surfaces of bricks; an adjusting component is arranged at one end, far away from the chassis, of the brick conveying component and is responsible for adjusting the bricks to meet the vertical precision of a wall body and a set brick layer height. According to the automatic wall building machine, the plastering speed can be effectively increased, ash falling is avoided, and automatic wall building is stably and efficiently conducted.

The invention provides a woven bag coating, a preparation method, a coating method and a woven bag, and solves the problems that in the prior art, when the cement laminating plastic woven bag is prepared, the problem of air exhaust needs to be solved by punching on plastic woven cloth coated with a coating film, but the phenomena of running, overflowing and ash leakage exist during filling when punching is carried out, and damping is prone to being caused in the later period. The woven bag coating is prepared from the following raw materials including, by weight, 2%-15% of low-density polyethylene, 40%-70% of special grade polypropylene, 30%-60% of first-grade polypropylene, 0.3%-0.5% of a whitening agent, 2%-10% of a master batch, 0.2%-0.5% of an anti-reflection master batch, 0.05%-0.1% of a cooling master batch and 0.5%-1% of paraffin, wherein the sum of the weight percentages of the raw materials is 100%. The preparation method is used for preparing the cement woven bag, and the woven bag is good in exhaust effect, high in tensile strength and good in moisture resistance.

The invention discloses a closed superfine grinding device, comprising a material storage bin, a first crushing box, a conveying pipeline, a cyclone separator and a fine powder collector, wherein thematerial storage bin is welded on the conveying pipeline; a conveying motor is communicated with the conveying pipeline; the conveying pipeline passes through the first crushing box and is communicated with a crusher; a cavity arranged between the first crushing box and the crusher is internally filled with cooling water; the crusher is communicated with a first induced draft fan by means of a pipeline; one end of the conveying pipeline is communicated with a pipeline of the first induced draft fan, and the other end of the conveying pipeline is communicated with the cyclone separator; a second material receiving barrel is arranged at the bottom of the cyclone separator; the cyclone separator is communicated with the fine powder collector by means of the conveying pipeline; the bottom of the fine powder collector is provided with a first material receiving barrel; the top of the fine powder collector is communicated with an air return duct, and the other end of the air return duct is communicated with the conveying pipeline at the position close to the material storage bin; the air return duct is internally provided with a second induced draft fan. The closed superfine grinding device is reasonable in design and avoids dust leakage for a closed design.

The invention relates to a composite hot-melt filter bag and a preparation process thereof. The composite hot-melt filter bag comprises a woven material layer and a non-woven material layer compounded on the front surface of the woven material layer, one end of the non-woven material layer is a free end, and a hot-melt part with the length protruding out of the non-woven material layer is arranged at the end, close to the free end, of the woven material layer, and a non-connecting part is arranged between the free end and the hot-melt part. The non-connecting part is formed by one end of the non-woven material layer and the woven material layer, and then the end of the non-woven material layer and the hot-melt part can walk towards different positions, namely the free end is compounded with the inner surface of the fixed end, and the hot-melt part is compounded with the outer surface of the compound end, so that on one hand, the free end does not generate a damage part, dust leakage can be avoided, on the other hand, the free end does not need to be positioned on the outer surface of the compounded end, so that the free end does not occupy the length of the hot-melt part, the proportion of the hot-melt part is prevented from being increased, and the condition that the size of the filter bag is influenced is avoided.

The invention discloses an environment-friendly machine for crushing and recycling glass. The environment-friendly machine comprises a crushing shell, a crushing device, a grinding device, a dust adsorption device and a discharging device, the bottom of the crushing shell is fixedly connected with a supporting seat, the crushing device is arranged at the top of an inner cavity of the crushing shell and fixedly connected with the top surface of the inner cavity of the crushing shell, the grinding device is arranged in the middle of the inner cavity of the crushing shell, the dust adsorption device is arranged at the top of the inner wall of the crushing shell, and the discharging device is arranged at the bottom of the inner cavity of the crushing shell; the outer wall of a grinding ring is fixedly connected with the middle part of the inner wall of the crushing shell, the outer wall of a grinding cone is slidably connected with the inner wall of the grinding ring, the bottom face of the grinding cone is in transmission connection with a driving mechanism, the driving mechanism is arranged on the top face of the discharging device, a conical table is fixedly connected to the top face of the grinding cone, and a material sweeping mechanism is fixedly connected with the top face of the conical table; and the bottom of the material sweeping mechanism is slidably connected with the top face of the grinding ring, and two secondary material crushing mechanisms are arranged side by side and fixedly connected with the top of the material sweeping mechanism.

The invention relates to a fully-sealed environment-friendly bulk material transfer device and a method thereof. The device comprises a base, an elevator bracket, a material temporary storage bin bracket and a transfer vehicle, wherein the elevator bracket and the material temporary storage bin bracket are arranged on the base, the material temporary storage bin bracket is arranged on the side part of the elevator bracket, an elevator is arranged on the elevator bracket, at least one material temporary storage bin is arranged on the material temporary storage bin bracket, a plurality of parallel horizontal unloading machine frames are also sequentially arranged on the elevator bracket along the vertical direction, at least one material storage bin is arranged on each horizontal unloading machine frame, and the transfer vehicle reciprocates between the material storage bins and the material temporary storage bin. The fully-sealed environment-friendly bulk material transfer device and the method thereof have the advantages that: the structure is simple and the use is convenient, discharging and receiving devices can be designed into multiple types such as top-down arrangement, bottom-up arrangement and horizontal arrangement according to the process, and the requirements of different working conditions can be met.

The invention relates to a chain mounting device and method for an embedded scraper conveyor. The mounting device comprises a pull rod and a supporting rod. Two adjusting rods are oppositely arrangedon two sides of the pull rod. One end of each adjusting rod is rotationally connected to the pull rod, and a rolling wheel is mounted at the end portion of the other end of each adjusting rod. The rolling wheels are rotationally connected to the adjusting rods. Supporting teeth are arranged on the side wall of the side, facing the corresponding adjusting rod, of the pull rod. One end of the supporting rod is rotationally connected to the adjusting rods, and the other end of the supporting rod can abut against the supporting teeth. The mounting device can be suitable for mounting of scraper conveyor chains in various specifications, scraper conveyor groove bodies do not need to be dismounted during mounting, and therefore the problems that due to groove body dismounting, untight sealing iscaused, and then air leaks are solved.

A handheld electric drill is used for solving the technical problems that in the background technology, dust is generated in the process that constructors drill holes through a handheld electric drill, the health of the constructors is harmed, and the construction environment is harmed. The handheld electric drill comprises an electric drill body, a dust removal cover and a dust removal assembly, wherein a drill rod is arranged on the electric drill body, the dust removal cover is of an elastic horn-shaped structure, the dust removal cover is fixedly connected with the electric drill body, and the drill rod penetrates through the dust removal cover from the necking end of the dust removal cover and can rotate relative to the dust removal cover; and the dust removal assembly is connected with the dust removal cover through a connecting pipe in a communicating mode, the dust removal assembly is connected with the drill rod through a connecting assembly, and the dust removal assembly is used for sucking and filtering dust along with rotation of the drill rod. The handheld electric drill is simple in structure and mainly used for drilling.

The invention discloses a PVC powder mixing device and a PVC powder mixing method. The mixing device comprises a high-speed mixing mechanism, a low-speed cooling mechanism, a discharging mechanism and a first communicating channel which are arranged from top to bottom in a stepped mode, whereinthe first communicating channel communicates thehigh-speed mixing mechanism with the low-speed cooling mechanism. The PVC powder mixing method comprises the following steps of conveying powder into the high-speed mixing mechanism for mixing powder at high speed; conveying the mixed powder rapidly into the low-speed cooling mechanism via a first conveying channel, and releasing air intensity generated by the powder entering the low-speed cooling mechanism instantly through the first communicating channel communicated with the high-speed mixing mechanism; and conveying powder cooled by thelow-speed cooling mechanism to the discharging mechanism via a second conveying channel. According to the invention, the mechanism is simple; the production cost is low; a dedusting device is not required to be arranged additionally; the dedusting effect is good; environment pollution is prevented; the working environment and the air quality are improved.

The vacuum cleaner dust-collecting barrel related by the present invention is formed from a cylindrical barrel body whose front end is opened and a barrel top set on the barrel body, said barrel body is formed from rear fixed barrel body and front barrel body whose front portion two sides are opened. The described barrel top is composed of rear fixed barrel top and front opened barrel top, and combined together with the correspondent fixed barrel body and front portion two-side opened barrel body respectively. One-edge of every side opened barrel body is hinged with one edge of said fixed barrel body is equipped with an air inlet and an air outlet, said air inlet is positioned in the upper portion of said fixed barrel body, and the air outlet is positioned in the lower portion of said fixed barrel body. Said invention can greatly raise its cdust-collecting efficiency.

The invention discloses a convenient-to-clean machining platform for a vertical machining center. The machining platform comprises an outer cover, wherein an outer cover is arranged outside a lathe ina sleeving mode; a machining platform body located in the outer cover is arranged on the lathe, a machined part is arranged on the machining platform body, and cleaning devices are arranged at the side ends of the machining platform body; and the cleaning devices comprise cleaning shells, centrifugal exhaust fans, dust removal purifiers, shutter dust suction ports and dust conveying ports, and the centrifugal exhaust fans are arranged on the cleaning shells. According to the convenient-to-clean machining platform for the vertical machining center, dust is filtered through dust removing and purifying filter elements and then discharged through the centrifugal exhaust fans, and air and the dust are separated, so that dusty gas is purified, and the filtering efficiency is improved; and an iron removing device is arranged in a scrap collecting groove, scrap particles falling from scrap discharging holes are filtered through filtering magnetic rollers, and iron scraps are adsorbed, so thatthe scrap particles are removed and filtered, and the dust clearing and collecting efficiency is improved.