109results about How to "Increase throughput" patented technology

The invention provides a gas-solid fluidized bed reactor and method for photo-thermal coupling catalysis of CO2 reduction. The gas-solid fluidized bed reactor comprises a reactor main body, a gas inlet base and a heating part, a reaction cavity in the reactor main body is an inverted circular truncated cone-shaped cavity, and a quartz light window is arranged at the top of the reaction cavity; a columnar gas channel is arranged in the gas inlet base; the bottom of the reactor main body is connected with the top of the air inlet base, and a porous sieve plate is arranged between the reactor main body and the air inlet base; the bottom of the inverted circular truncated cone-shaped cavity is communicated with the top of the columnar gas channel through a porous sieve plate; the heating part is used for providing heat for the reactor main body and the air inlet base. According to the photo-thermal reactor, light blocking caused by catalyst accumulation of a traditional photo-thermal reactor is reduced, the contact area of reactant gas and the catalyst is effectively increased, and the efficiency of the catalyst is fully exerted.

The invention belongs to the technical field of energy conservation and environmental protection, and discloses a cement kiln system for coupling oxygen enrichment and staged combustion by using alternative fuel in a large proportion, which comprises a circulating fluidized bed system, a decomposing furnace, a rotary kiln and a grate cooler, the kiln tail of the rotary kiln is connected with the bottom of the decomposing furnace, a bottom gasified gas spraying pipe is arranged between a kiln tail smoke chamber of the cement kiln and a coal spraying pipe of the conical part, and an upper gasified gas spraying pipe is arranged on the upper portion of the middle section of the decomposing furnace; the bottom gasified gas spray pipe and the upper gasified gas spray pipe are both connected to a gasified gas outlet of the circulating fluidized bed system; and a semi-gasified gas spray pipe is arranged at the upper part of the lower section of the decomposing furnace and is connected to a semi-gasified gas outlet of the circulating fluidized bed system. The disposal amount of the alternative fuel can replace 50% of pulverized coal in the decomposing furnace, and the requirement for using the alternative fuel in a large proportion is met.

The invention discloses a beneficiation method of refractory iron ore with symbiotic hematite, limonite and siderite, which comprises the following steps of: crushing weakly magnetic refractory iron ore to below 100mm in a closed circuit, then sequentially carrying out three times of dry screening to obtain four particle fractions of 0-6mm, 6-15mm, 15-40mm and 40-100mm, pre-selecting the particle fractions of 6-15mm by adopting a dry high-intensity magnetic separator, pre-selecting the particle fractions of 15-40mm by adopting a chunk jigger, pre-selecting the particle fractions of 40-100mm by adopting a photoelectric intelligent separator, and pre-selecting the particle fractions of 40-100mm by adopting a high-intensity magnetic separator; photoelectric intelligent pre-selected concentrate is crushed to 0-40 mm through a fine crushing closed circuit, then jigging pre-selected concentrate is combined, then the photoelectric intelligent pre-selected concentrate is crushed to 0-6 mm through an ultra-fine crushing closed circuit, an ultra-fine crushing product is combined with the 0-6 mm fraction, then wet type strong magnetic pre-selection is conducted through a coarse grain wet type strong magnetic separator, the pre-selected concentrate is subjected to ore grinding-fine grain wet type strong magnetic one-coarse one-scavenging one-coarse one-scavenging one-fine one-scavenging reverse flotation, and the final concentrate is obtained. And final concentrate is obtained. The invention has the advantages of large raw ore selection granularity, large tailing discarding amount, low energy consumption, good separation effect and the like.

The invention relates to an underground cyclone separator multi-stage parallel device suitable for injection and production in the same well in an offshore oilfield, which comprises a plurality of stages of cyclone separators, the plurality of stages of cyclone separators are sequentially connected from top to bottom, each stage of cyclone separator is provided with a combined sleeve structure, and the plurality of stages of combined sleeve structures are sequentially connected to form an assembled shell. An oil-water mixed liquid inlet channel, an oil transportation channel and a water drainage channel are arranged in the wall of the assembled shell, the multi-stage cyclone separator is connected in parallel with the oil-water mixed liquid inlet channel through an oil-water mixed liquid inlet of the multi-stage cyclone separator, and the parallel hydrocyclones simultaneously feed liquid, simultaneously perform oil-water separation work and simultaneously lift an oil phase upwards; the upper end of a sleeve at the upper end of the first-stage cyclone is connected with a liquid inlet pipe through a bridge type channel; the liquid inlet pipe is communicated with an oil-water mixed liquid inlet channel; the cyclone separator comprises an upper end sleeve, a lower end sleeve, a spiral flow channel, an oil-water separation cone and a bridge type channel. According to the invention, the recovery efficiency of an offshore oil field can be improved, and meanwhile, large-displacement offshore oil-water mixed liquid separation can be continuously treated.

The utility model discloses high-throughput cell sample integrated treatment equipment, which comprises an equipment cabin, a treatment flow control device and an equipment function module, the treatment flow control device is in signal connection with the equipment function module, the treatment flow control device is arranged outside the equipment cabin, and the equipment function module is in signal connection with the equipment cabin. The equipment function module is fixedly mounted in the equipment cabin; the equipment function module comprises a centrifugal mechanism, a perforated plate transfer mechanism, a multi-channel pipetting mechanism, a constant-temperature culture module, a sample treatment platform, a glass slide suction mechanical arm, a supporting mechanism, a glass slide bin and a dispersion chamber. According to the application, cycle synchronization, suspension, separation, fixation and dispersion of cells are automatically completed, functional modules in culture, harvesting and slide preparation links in a sample treatment process are highly integrated, a perforated plate is used for replacing a traditional centrifugal tube for sample treatment, batch harvesting of samples and slide preparation treatment are realized, and the production efficiency is improved. The sample treatment flux and the sample treatment efficiency are improved, and meanwhile, the sample treatment consistency is also improved.

The invention provides a vertical multilayer heating disc sludge drying machine, which comprises an outer cylinder, a main shaft heating disc assembly, a steam inlet assembly, a steam outlet assembly, a material distribution pipe assembly, a scraper assembly, a driver, a speed reducing mechanism and the like, the material distributing pipe assembly and the scraper assembly rotate at a lower rotating speed under the transmission of the driving machine and the speed reducing mechanism, and are respectively fixed on the two sides of the outer cylinder through connecting devices; the main shaft heating disc assembly comprises a main shaft, a core pipe, a shaft sleeve and a heating disc, the upper end and the lower end of the main shaft are provided with a steam inlet assembly and a steam outlet assembly respectively, the material distribution pipe assembly comprises a material distribution pipe, a material distribution pipe sleeve and a rotating handle, and the material distribution pipe is in clearance fit with the material distribution pipe sleeve. The scraper assembly comprises a plurality of scrapers, a scraper connecting shaft, a connector and a scraper support. The drying machine is small in occupied area, the water content is easy to control, sludge and the heating disc are not easy to adhere, and the efficiency is high.

A mid-infrared photothermal microscopy system images a sample. The mid-infrared light source generates a mid-infrared light beam that is directed along a first light path to reach the first face of the substrate and heat the sample. The probe light source generates probe light that is directed along a second light path to reach the second face of the substrate and illuminate the sample. A first laser scanner is positioned along a first optical path and is arranged to rotate to redirect light and scan a sample with a mid-infrared beam. A second laser scanner is positioned along a second optical path and is arranged to rotate to redirect light and scan the sample with probe light. The laser scanners each include at least one mirror driven to rotate such that the mid-infrared beam and the probe light synchronously scan the sample.

The invention discloses a high-throughput single-particle arranged and packaged micro-fluidic chip and application thereof, and belongs to the field of biomedical engineering. The single-particle arranged micro-fluidic chip comprises a substrate and a slide glass, wherein the substrate is used for supporting the slide glass; a particle suspension liquid inflow port, a sheath liquid inflow port, a periodic focusing flow channel and an outflow port are formed in the slide glass; the particle suspension liquid inlet and the sheath liquid inlet are respectively connected with a micro-channel, and the two micro-channels intersect to form a micro-channel and are communicated with the periodic focusing channel; the included angle of the micro-channel intersection of the particle suspension liquid inlet and the sheath liquid inlet is 30-100 degrees; the periodic focusing flow channel is of a spiral structure from inside to outside; the periodic focusing flow channel is connected with the flow outlet; the micro-fluidic chip provided by the invention integrates droplet arrangement and screening functions, and finally realizes single particle encapsulation.

This utility model relates to the technical field of extraction devices for veterinary drug residue detection, and more particularly to an extraction device for veterinary drug residue detection, comprising a device body, a receiving frame fixedly connected to the top left side of the device body, a feeding box fixedly installed at the top rear section of the receiving frame, a cover plate hinged to the top of the feeding box, and a flow guide frame connected to one end of the front of the feeding box. In the sample addition stage, the inclined design of the flow guide frame allows the sample to automatically slide into the centrifuge tank, eliminating the need for manual transfer; during centrifugation, the centrifuge and pump one automatically complete solid-liquid separation and liquid storage; during reagent titration, pump two and the titration nozzle precisely and quantitatively add reagents; compared to traditional manual operation or simple mechanical assistance extraction devices, this reduces a large number of tedious manual operation steps, significantly shortens the detection time, increases the sample processing capacity per unit time, and effectively meets the high efficiency requirements of modern veterinary drug residue detection.

The invention relates to the technical field of livestock breeding, discloses a live pig breeding virus detection device for animal husbandry, and solves the problems of low detection efficiency and poor detection continuity caused by lack of automatic feeding of a sample tube in an existing live pig breeding virus detection device. The paper feeding device comprises a workbench, a frame plate arranged on one side of the workbench, an air cylinder arranged on one side of the frame plate, a pipe rotating structure rotationally connected to one side of the frame plate and a paper feeding structure arranged on the other side of the workbench, and a driving wheel and a driven wheel driven by a two-way motor are matched with a material storage pipe, a hopper and other structures on a disc; continuous feeding is achieved, the sample handling capacity in unit time is greatly improved, the manual burden is relieved, the sample handling capacity is improved, the efficiency is improved, in the sample discharging link, detected sample pipes can be automatically ejected out and automatically discharged to a pipe collecting box, manual work is not needed in the whole process, the rotating disc can be rapidly emptied, sample residual pollution is prevented, and the production efficiency is improved. And efficient and safe detection of the farm is realized.

The utility model provides a kind of high -efficient screening anti -blocking bar screen, belong to material screening technical field, it includes bracket, bracket is detachably installed with at least two sieve piece units along length direction, sieve piece unit is spaced apart and is provided with at least two long sieve rods along length direction, at least one annular stopper is arranged between any two adjacent long sieve rods, short sieve rod is spaced apart and is provided with at least one annular stopper along its length direction.The utility model has the beneficial effect that it can intercept sheet, needle and other unqualified materials while reducing excessive blocking of qualified materials, improving the flexibility of the screen surface vibration to optimize the anti-blocking performance, reduce material and maintenance costs, and achieve uniform distribution of materials, ensure the screening efficiency and processing capacity stability.

The utility model relates to the technical field of scrap recovery, in particular to a plastic plate production and processing scrap recovery mechanism which comprises a base, a connecting frame is installed on the base through a sliding mechanism, the connecting frame is connected with a transverse vibration mechanism, and an installation frame is transversely arranged above the connecting frame. A limiting rod movably penetrating through the mounting frame is vertically and fixedly mounted at the corner of the upper end face of the connecting frame, a butt-joint groove is formed in the inner side wall of the connecting frame, a screening frame is slidably matched with the inner wall of the connecting frame, and a butt-joint strip slidably matched with the butt-joint groove is transversely and fixedly mounted on the outer wall of the screening frame; a driving shaft rotationally connected with the connecting frame is transversely arranged below the screening frame, the outer wall of the driving shaft is fixedly sleeved with a cam in sliding fit with the mounting frame, the driving shaft is connected with a power mechanism, and a collecting tank movably embedded in the upper end face of the base is arranged below the screening frame. According to the utility model, the screening frame moves more complexly, so that the passing of chips is accelerated, and the screening and recycling efficiency is improved.

This invention provides a control method and an air conditioner for an air conditioner. The control method includes: determining whether the air conditioner has its fresh air function activated; and, if the fresh air function is activated, acquiring the indoor ambient temperature value, denoted as t. n After acquiring the indoor unit ambient temperature value for a first period of time, the indoor unit ambient temperature value is updated, and t is recorded as t. n =t n+1 The invention controls the indoor fan speed, air guide angle, and set temperature of the air conditioner based on the indoor unit ambient temperature, whether there are users in the target area, and whether the air conditioner's air swing function is activated, in order to prevent condensation from occurring in the indoor unit. This invention solves the technical problem in related technologies where air conditioners easily cause poor user comfort when using the fresh air function due to condensation during fresh air intake.

This utility model relates to the field of brine purification technology, specifically a ceramic membrane filter for brine purification. It includes a housing, with a detachable inlet cover at the top and a detachable drain cover at the bottom. An inlet pipe is located at the top of the inlet cover, and a drain pipe is located at the bottom of the drain cover. A mounting top frame is located at the top of the housing, and a mounting base frame is located at the bottom. A mounting top plate is detachably located at the top of the mounting top frame, and a mounting base plate is detachably located at the bottom of the mounting base frame. Both the mounting top plate and the mounting base plate have flow ports. Fixing sleeves are located on opposite sides of the flow ports. A ceramic membrane filter element is sealed and engaged between the two opposing fixing sleeves. An outlet pipe is located on the side wall of the housing. This utility model facilitates disassembly and maintenance and can improve the purification efficiency of brine.

This invention belongs to the field of biological sample contaminant screening, specifically involving a pretreatment method for liquid chromatography-tandem mass spectrometry analysis of chemical contaminants in serum. The pretreatment method includes the following steps: (1) Preparation of Ti / Zr MOF: Zirconium source, 1,3,5-tris(4-carboxyphenyl)benzene, titanium source, and organic acid are placed in a container, dissolved in an aprotic polar solvent, heated to react, cooled, and the white powder product is collected by centrifugation and washing, which is Ti / Zr MOF, and dried for later use; (2) Extraction: The serum sample is mixed with acetonitrile, ultrasonically vortexed, centrifuged, and a portion of the supernatant is taken as the purification solution; (3) Purification: The purification solution in step (2) is mixed with the Ti / Zr MOF in step (1), ultrasonically vortexed, centrifuged, and the supernatant is taken to obtain the purified sample.

The application provides a waste lubricating oil collecting and processing device, which comprises a filter barrel, a filter cavity and a feeding port are arranged on the top of the filter barrel, a bearing cavity is arranged at the bottom of the filter barrel, a rotating driving structure is arranged at the bottom end of the bearing cavity, a discharging port is arranged between the filter cavity and the bearing cavity, a dispensing mechanism is arranged at the discharging port, and multiple dispensing barrels are arranged, each dispensing barrel rotates under the driving of the rotating driving structure, and each dispensing barrel is sequentially connected with the dispensing mechanism. Compared with the prior art, the waste lubricating oil collecting and processing device can continuously dispense the filtered waste lubricating oil by sequentially connecting the multiple dispensing barrels with the dispensing mechanism under the driving of the rotating driving structure. In the whole process, the waste lubricating oil is filtered and dispensed in a relatively closed environment, so that the contact opportunity with the outside world is reduced, the risk of secondary mixing of impurities is reduced, the leakage problem that may occur when the open container is dispensed before transportation is avoided, and the adaptability and practicability are good.

The application discloses a particulate matter sensor and an air treatment device. The particulate matter sensor comprises a shell, a gas flow passage for a to-be-detected gas containing particulate matter is formed in the shell; a gas flow generating piece is in communication with the gas flow passage, the gas flow generating piece can drive the to-be-detected gas to pass through the gas flow passage, and a preset wind speed V of the gas flow generating piece satisfies 0.5 m / s≤V≤3 m / s; and an optical detection assembly is arranged in the shell, the optical detection assembly is used for generating a detection light beam, the detection light beam forms a light detection area at an intersection with the gas flow passage, the light detection area has a preset area S, S satisfies 16 mm 2 ≤S≤100 mm 2 , and the optical detection assembly outputs an electrical signal about a particulate matter concentration value according to the detection light beam scattered by the particulate matter.

The utility model relates to an automatic gummed paper smearing machine for batteries, which comprises a turntable device, and a transfer device, a feeding device, a bending device, a first gummed paper smearing device and a second gummed paper smearing device which are arranged on the periphery of the turntable device in sequence, a positioning device is erected above the turntable device, a plurality of clamp devices are mounted on the turntable device, and the turntable device is connected with the first gummed paper smearing device and the second gummed paper smearing device. The transferring device is used for transferring the battery cell pasted with the PCM gummed paper on the feeding device to the clamp device, the clamp device is used for clamping the battery cell pasted with the PCM gummed paper, the positioning device is used for positioning the position of the battery cell on the clamp device, and the turntable device is used for rotating the clamp device to a preset position. The device has the beneficial effects that the automation degree is high, the gummed paper smearing efficiency can be effectively improved, and the gummed paper smearing quality can be ensured.

The invention provides a method for deeply treating sucralose high-salinity wastewater, and belongs to the technical field of sewage treatment. According to the technology, secondary steam generated by an evaporation system and energy of the secondary steam are utilized, the secondary steam is pumped back through an MVR system compressor to reheat a system heater, steam reutilization is completed, primary steam energy consumption is reduced, sucralose high-salt wastewater is evaporated and concentrated, the evaporation capacity needs to reach 70% or above, and the energy consumption is reduced. And the generated concentrated solution is concentrated again in a plurality of single effects. The treatment capacity is improved by continuous production of the system, and the production cost is reduced.

The utility model relates to a vibrating screen technical field, concretely relates to a novel double track's vibrating screen. Including base and sieve box, base and sieve box are connected through a plurality of elastic support components, and the power assembly is fixed in the sieve box. The utility model discloses the design through the screw sleeve and bolt, and the user can adjust the screw sleeve height according to the spring pitch, and then make the bolt to the spring end portion of one side block stable, ensure the stable fixation of spring upper and lower ends, prevent displacement or loosening in the vibration process, thereby promote the overall working stability and anti -vibration performance of equipment, reduce the equipment failure due to the unstable support.

The utility model discloses a kind of inclined feeding mechanism and three-layer annular sorting equipment using the mechanism, comprising: frame, the frame has feeding surface and lifting drive mechanism;Feeding platform, the feeding platform is slidably arranged on the frame, and is connected the lifting drive mechanism, conveying assembly is equipped on the feeding platform, the included angle between the conveying direction of the conveying assembly and the feeding surface is non-right angle.Compared with prior art, the utility model can effectively improve the sorting efficiency of sorting equipment.

The utility model relates to cement powder shunt device technical field, and disclose a cement production line is with cement powder shunt device, including storage cylinder, the inner wall fixedly connected with fixed sheet of storage cylinder bottom, one end of fixed sheet is fixedly connected with fixed sleeve, the surface rotationally connected with support subassembly of fixed sleeve, the top fixedly connected with two groups of support rod of support subassembly, one end of support rod is fixedly connected with throwing assembly, the bottom fixedly connected with shunt cylinder of storage cylinder, the inside fixedly connected with equal division subassembly of shunt cylinder, support subassembly includes two groups of rotary ring rotationally connected in fixed sleeve surface, the bottom fixedly connected with support column of rotary ring. This cement production line is with cement powder shunt device, through the setting of support subassembly and throwing assembly, avoid the cement powder of storage cylinder bottom concretion, cause the situation that the discharge efficiency reduces or is blocked, and can reduce the risk of heat accumulation.

This invention relates to the field of waste photovoltaic panel recycling technology, and more particularly to a waste photovoltaic panel hot-knife separation and recycling device, comprising a support assembly; the support assembly includes a support frame, with two sets of feeding and discharging components installed in the middle of the support frame, the two sets of feeding components alternately transporting waste photovoltaic panels; a fixed frame is fixedly installed at the lower part of the support frame, with a set of fixed heating plates respectively installed at both ends of the fixed frame, and a corresponding matching component is slidably installed above each set of fixed heating plates; the matching component includes a movable adsorption plate and an auxiliary heating plate, the adsorption plate and the auxiliary heating plate can be rotated simultaneously; an adjustment assembly is installed in the middle of the fixed frame, with a separation knife rotatably connected to the adjustment assembly; a pushing assembly is installed below the adjustment assembly, the pushing assembly includes a pushing unit, each pushing unit includes a threaded rod with lifting and lowering, and a pushing block is installed above the threaded rod; this invention can separate another heated waste photovoltaic panel while heating one waste photovoltaic panel, forming an assembly line operation.

The invention belongs to the technical field of membrane separation, and discloses a super-hydrophobic PVDF-UiO-66-PFOC composite membrane as well as a preparation method and application thereof.The super-hydrophobic PVDF-UiO-66-PFOC composite membrane is characterized in that a PVDF hollow fiber membrane is used as a substrate, and carboxyl active sites are introduced through alkali treatment and oxidation treatment; a UiO-66-NH2 metal organic framework layer with CO2 affinity is grown on the surface of the membrane through an in-situ hydrothermal synthesis method, so that the surface roughness and the CO2 adsorption capacity are improved; furthermore, a specific fluorination reagent PFOC (perfluorooctanoyl chloride) is grafted to the amino group of the UiO-66-NH2 through nucleophilic addition reaction, so that a chemically bonded super-hydrophobic fluorination layer is formed, and the surface energy is remarkably reduced. The prepared composite membrane has high wettability resistance, high CO2 selectivity and long-term operation stability. The composite membrane can be widely applied to CO2 capture systems in the fields of coal-fired power plants, chemical plants and the like, has high absorption efficiency, long-acting wetting resistance and operation stability, is different from an MOF modified membrane for oil-water separation or general gas separation in the prior art, and has remarkable economic and environment-friendly benefits.

This invention belongs to the field of wastewater treatment technology, specifically relating to a method and apparatus for removing COD from high-salt, high-organic-content wastewater. The removal method employs two organic matter retention membranes connected in series to treat the high-salt, high-organic-content wastewater. By controlling appropriate process conditions, these organic matter retention membranes primarily retain organic matter while retaining as little salt as possible, ensuring stable operation of subsequent processes or achieving compliant wastewater discharge. Furthermore, the concentrate obtained after treatment by each organic matter retention membrane is returned in a specific proportion to the inlet of the membrane that produced the concentrate, thereby ensuring efficient and stable membrane operation, improving system recovery rate, and extending membrane lifespan. This invention achieves COD removal from high-salt, high-organic-content wastewater using only a single process, exhibiting high removal rate, good decolorization effect, and high recovery rate. It significantly shortens the process flow and is characterized by being green, efficient, energy-saving, environmentally friendly, and highly reliable.

The present application relates to a heat exchanger, which is provided with a heat inlet collecting channel, a multi-layer heat circulation channel layer and a heat outlet collecting channel connected in sequence. The heat exchanger is also provided with a cold inlet collecting channel, a multi-layer cold circulation channel layer and a cold outlet collecting channel connected in sequence. The hot circulation channel layer is provided with a guide plate group extending along a direction perpendicular to a first preset direction, and the guide plate group is provided with a plurality of guide channels distributed along a direction perpendicular to the first preset direction. A first partition extending along a second preset direction is provided between the cold inlet collecting channel and the cold outlet collecting channel to divide the cold circulation channel layer into a first channel and a second channel, and a first notch is provided at one end of the first partition near the fourth end. The cold inlet collecting channel is provided on the side of the third end near the second end, and the cold outlet collecting channel is provided on the side of the third end near the first end. The heat exchanger provided by the present application solves the problem of low heat exchange efficiency of existing heat exchangers.

The utility model discloses tunnel kiln equipment for preparing lithium carbonate, which relates to the technical field of tunnel kiln lithium carbonate preparation, when the tunnel kiln equipment is used, a kiln car enters a drying kiln part, a firing tunnel kiln part and a cooling kiln part in sequence, and a tunnel kiln is adopted for roasting, so that the handling capacity can be improved, the production efficiency can be improved, and the transformation rate of raw material roasting can be effectively improved. The burner is adopted for heating, the waste heat ventilation pipeline is used for recycling heat energy and supplying heat to the drying kiln part, and energy consumption is reduced.

The utility model belongs to drying equipment technical field, especially is related to a kind of turnover screen mechanism. The existing drying screen board is designed in one-way bearing, and the working surface is downward when returning, so it cannot bear material, resulting in that screen board only plays conveying role in the first half of the whole process, and the transportation area and transmission resources in the return stage are idle, which directly limits the material processing capacity of equipment per unit time. Including two groups of symmetrical turnover mechanisms, two groups of chains are commonly connected in transmission on the two groups of turnover mechanisms, and a plurality of screen boards are commonly connected in rotation between the two groups of chains. An upper guide rail and a lower guide rail are arranged between the two groups of turnover mechanisms and below the chains. Symmetrical rotating mechanisms and guide wheels are arranged on the two short sides of the screen board. The rotating mechanisms are respectively connected in rotation between the two groups of chains. The guide wheels respectively contact and slide with the upper guide rail and the lower guide rail.

The utility model discloses a surface rust cleaning device for sheet metal part processing belongs to sheet metal part processing technical field, the utility model discloses a rust bin, spray tank, waste collection groove, moving track, rust platform, gear assembly, sand blasting subassembly and sand material pipeline. Rust bin constructs operation space through bin body shell, spray tank placing rack, bin mouth door, waste outlet and dentate track groove, spray tank adapts placing rack, and sand material pipeline is the feeding for sand blasting subassembly, and waste collection groove receives the residue that waste outlet discharged, and moving track carries three rust platforms, and is driven by gear assembly, moves in dentate track groove, sand blasting subassembly is distributed on the rust platform top, and the spray head carries out sand blasting rust to the sheet metal part fixed on the platform fixed plate. The device realizes sheet metal part automation, multi-station rust cleaning, effectively improves rust cleaning efficiency and quality, reduces manual operation, reduces labor intensity, and is convenient for waste collection and processing, has good practicality and environmental protection.

The utility model discloses treatment equipment for plastic packaging waste, and relates to the field of solid waste resourceful treatment. According to the technical scheme, the waste plastic bag processing system is characterized by comprising a waste plastic bag processing line and a waste plastic barrel processing line, and the waste plastic bag processing line comprises a first crushing device, a pyrolysis device and a cooling device; the waste plastic barrel treatment line comprises a second crushing device, a third crushing device, a first cleaning device, a first rinsing device, a second cleaning device, a second rinsing device and a centrifugal dewatering device, the centrifugal dewatering device is connected with an extrusion granulation device, and the discharge end of the cooling device is connected with a wastewater treatment line. The water outlet end of the first cleaning device is connected to a wastewater treatment line. The utility model aims to provide treatment equipment for plastic packaging wastes.