57results about How to "Regular replacement" patented technology

The invention relates to a device for automatically detecting the content of methane H2S in a laboratory. The device comprises a structure setting cavity, a wheel disc, a wheel disc motor, a peristaltic pump for quantitatively, regularly and uniformly pumping gas, an electromagnetic needle and a control structure. The invention is characterized in that the wheel disc is arranged above the structure setting cavity, and the wheel disc motor is arranged on the inner side above the structure setting cavity; the peristaltic pump is arranged on the inner side of the other side surface of the structure setting cavity, and an extraction pipe and an exhaust pipe are arranged on the peristaltic pump; the exhaust pipe above the peristaltic pump is connected with the electromagnetic needle; the exhaust pipe of the peristaltic pump is connected with a laboratory methane main pipe; the wheel disc comprises a main disc and a connector; the peristaltic pump, a turntable motor and the electromagnetic needle are all connected with a control structure; the control structure controls and sets the air pumping speed and the air pumping amount of the peristaltic pump, the rotating angle of the turntablemotor and the power-on and power-off of the electromagnetic needle, and the control structure controls the operation of each part to realize the detection of the content of the methane H2S in 24 hours.

The invention discloses a canine tooth spliced type multi-union ecological purification pond which comprises a purification pond, a plurality of porous purification bricks, aquatic plants and a plurality of baffle strips, wherein the water inlet of the purification pond is communicated with a canal; the plurality of the baffle strips are arranged at the bottom of the purification pond; the bottomof the purification pond is partitioned into a plurality of long-stripy zones by the plurality of the baffle strips; the aquatic plants and the porous purification bricks are fixed at intervals amongthe plurality of the baffle strips; a plurality of porous purification bricks are arranged at intervals between adjacent baffle strips; two adjacent rows of the porous purification bricks are arrangedin a staggered manner. By adopting the purification pond, three water purification means of plant absorption, microorganism degradation and photocatalysis removal are integrated, a complementary purification mode can be achieved, concentrations of various pollutants in water bodies can be effectively reduced, and the water purification efficiency can be thus improved; the porous purification bricks are arranged in a canine tooth staggered arrangement mode, and water flows along a curve in the purification pond, so that not only is the water retention time of sewage in the purification pond prolonged, but also the water through quantity of the porous purification bricks is increased, and the water purification efficiency can be greatly improved.

The invention relates to the technical field of cable auxiliary materials, and discloses equipment for producing and assembling a wire and cable sheath; the equipment comprises a base plate. According to the equipment for producing and assembling the wire and cable sheath, by arranging a fan, an air inlet pipe, an air outlet pipe, a purification box, an activated carbon adsorption plate and a negative ion purifier, in the sheath stock solution injection molding process, generated gas can flow into a feeding pipe firstly, and a sealing plate is placed at the top of the feeding pipe; the situation that toxic gas is exhausted into air through the feeding pipe is avoided; then the fan is started, at the moment, the gas in the feeding pipe starts to be pumped into the purification box through the air inlet pipe, primary filtration is conducted through the activated carbon adsorption plate, secondary purification is conducted through the negative ion purifier, and the effect of automatically collecting the toxic gas generated during injection molding is achieved; by arranging a sealing cover, a limiting rod, a limiting plate and a spring, the activated carbon adsorption plate can be replaced regularly, and the activated carbon adsorption plate can be replaced by opening the sealing cover and pulling the activated carbon adsorption plate when needing to be replaced.

The invention relates to extraction equipment for a bird's nest extract with an anti-oxidative effect. The extraction equipment comprises a main body, a drying mechanism and a deoxygenation mechanism,wherein the drying mechanism comprises a power assembly and a drying assembly; the deoxygenation mechanism comprises a shell, a rotating block, a discharge pipe, an air inlet pipe, an air outlet pipe, an air suction pump, a protective cover, a third motor, a material storage tank and two cavities. According to the extraction equipment for the bird's nest extract with the anti-oxidative effect, the drying mechanism can drive an extracting tank to make a reciprocating motion up and down, so that the bird's nest extract is enabled to be evenly distributed in the extracting tank, the drying effect of the extraction equipment is further improved, and the working efficiency of the extraction equipment is accordingly increased; the deoxygenation mechanism can enable the air to flow in a circulating way in the extracting tank and the cavities, so that the oxygen content of the air can be reduced by means of a deoxidant, and the anti-oxidative effect of the extraction equipment is further improved; therefore, the quality of the bird's nest extract extracted by using the extraction equipment is improved.

The invention discloses a conveyor belt punching machine in the technical field of conveyor belt manufacturing, which includes a frame, a drill bit, a drilling motor, a floating platform, a stamping drive mechanism, a material placement roller, and a collection roller, and also includes a driving mechanism for driving the collection roller to carry out The receiving motor that rotates the receiving material also includes a PLC controller, the stamping drive mechanism, the drilling motor, and the receiving motor are all controlled by the PLC controller; the rack is equipped with a blanking hole that is used for blanking and is facing the drill bit. The blanking recovery parts located directly below the blanking holes are installed on the frame, and the blanking recovery parts include transposition motors, driving gears, driven gears, driving shafts, driven shafts, movable receiving seats, collecting basins, and corners. Encoder. The rotary angle encoder can measure the rotation angle of the driven rotating shaft, thereby indirectly monitoring the rotation angle of the movable receiving seat and the number of discharge times of the recovery tank.

The invention discloses an air quality detecting system capable of automatically replacing filter cartridges. The air quality detecting system comprises a detection assembly, wherein the detection assembly comprises a sensor, a processor and a device shell; an air inlet and an air outlet are formed in the device shell; a detection channel is formed between the air inlet and the air outlet; the sensor is arranged in the detection channel; a filter cartridge assembly is arranged at the air inlet; the filter cartridge assembly comprises filter cartridges, a first roller, a second roller and a driving device; a starter is arranged on the driving device and connected to the processor through signals; all the filter cartridges are connected with the first roller and the second roller and wound on the first roller and the second roller; the filter cartridges cover the air inlet. The air quality detecting system has the advantages of operating under outdoor environment, automatically and periodically replacing invalid filtering material in a certain period, guaranteeing the effectiveness of detection data, manually adjusting periodic time according to the difference of contents of air pollutants under different environments, and simply and conveniently maintaining and replacing the novel filtering material.

The invention relates to the technical field of sterilization pots, in particular to a sesame treatment sterilization pot with a drying function. An upper cover is arranged at the upper end of a pot body; an air pressure meter is mounted on one side of the upper surface of the upper cover; a pressure relief valve is mounted on the other side of the upper surface of the upper cover; the upper coveris clamped to the upper end of the pot body through a clamping mechanism and is limited by utilizing multiple groups of fastening mechanisms, so that the sealing property inside the pot body can be guaranteed; a limiting baffle plate matched with the pot body is also arranged on the inner lower side of the pot body, and an isolating mechanism is arranged at the upper end of the limiting baffle plate; multiple heating resistors are mounted in the pot body below the isolating mechanism; the multiple heating resistors are externally connected with a power supply mechanism through lead wires; thepot body below the limiting baffle plate communicates with a water feeding pipe; a connecting pipe communicates below one side of the pot body; the connecting pipe also communicates with a connectinghead; the connecting head is externally connected with a hot air supply mechanism. The sesame treatment sterilization pot can sterilize sesames, improves the sterilization efficiency and meets a current development requirement.

The invention discloses a publicity board for public management, and belongs to the field of publicity for public management. The publicity board for public management solves the problems that existing publicity boards for public management are mostly located outdoors, dust is easily attached to the surfaces of the publicity boards, and the publicity boards are usually at high positions and are not easily cleaned. When the publicity board is in use, the publicity board can be cleaned while running, and great convenience can be brought to management staff; moreover, a stereoscopic triangular structure is adopted for the publicity board, the publicity board has one more side than an existing publicity board, more publicity slogans can be displayed, the replacement frequency is reduced, and the management difficulty of the management staff can be reduced; the full-automatic structure is adopted for the overall device, only mounting work is needed, the publicity board does not need to be taken care of in the later period, and the current management requirement can be better met.

The invention discloses an elevator control panel. The elevator control panel comprises an elevator board body, floor keys, a door opening key, a door closing key, an alarm key and a display screen, wherein a region in which the floor keys, the door opening key and the door closing key are arranged is covered by one pr more layers of transparent thin films. The elevator control panel is simple in structure and reasonable in design; the transparent thin films can be regularly replaced and can be used for preventing people from being in direct contact with keys of an elevator so as to reduce bacteria breeding and virus transmission and maintaining the physical health of people. Simultaneously, marks of the keys of the elevator can be prevented from being abraded after the keys are used repeatedly.

The invention discloses dehumidification processing equipment for a biodegradable high-barrier plastic film material, and specifically relates to the technical field of plastic film processing. The dehumidification processing equipment for the biodegradable high-barrier plastic film material comprises a base and a feeding roller, wherein the feeding roller is fixedly connected to one side of the top end of the base. According to the invention, by arranging a frame body, first water scraping plates, second water scraping plates, a moisture absorption plate, rubber pads, moisture absorption cotton and a water collecting tank, water mist at the two sides of the film is scraped through the two groups of first water scraping plates, water mist at the middle part of the film is scraped through the second water scraping plates when the film passes through the second water scraping plates, and the water mist is converged and flows down along the middle parts of the two first water scraping plates; and the water flow is collected through the arranged water collecting tank, the film passes through the moisture absorption plate, residual water on the film is absorbed and removed through the moisture absorption cotton, the bottom of the moisture absorption cotton is connected with a clamping groove in a clamped mode through a connecting plate, regular replacement is facilitated, the dehumidification effect on the film is guaranteed, the film is kept fully dry, and later winding and using are facilitated.

The invention discloses a novel flat grinder. The novel flat grinder comprises a worktable, a supporting column is fixedly connected to the left side of the top of the worktable, a deep groove is formed in the top of the supporting column, a bearing is fixedly connected to the bottom of an inner cavity of the deep groove, a long hole is formed in the left side of the supporting column, a first motor is fixedly connected to the top of the supporting column, the bottom of the output end of the first motor extends into a deep cavity of the deep groove and is fixedly connected with a thread rod, the bottom of the thread rod extends into an inner cavity of the bearing, the surface of the thread rod is in threaded connection with a supporting block, and the supporting block penetrates through the long hole and extends to the outer portion of the supporting column. Through fit use of the worktable, a supporting plate, a cooling liquid box, a through hole, a water pump, a first hose, a secondhose, a nozzle, a draining pipe and a cover cap, cooling liquid can be collected and circularly used, resources are saved, production cost of an enterprise is reduced, and the pollution to the surrounding is avoided.

The invention discloses a systemic skin disease treatment device, and relates to the field of skin disease treatment. The systemic skin disease treatment device comprises a fumigation barrel. A bottomplate is fixedly arranged at the upper end of the inside of the fumigation barrel, a seat is fixedly arranged at the upper ends of support columns, electric heaters are fixedly arranged on the uppersides of the left end and the right end of the bottom plate, steam generating plates are fixedly arranged at the upper ends of the electric heaters, a water dropper is fixedly communicated with the end, which is far away from the bottom of the fumigation barrel, of each water storage tank via a first connecting pipe, a medicine groove is fixedly formed in a side of the middle of each water storagetank and is particularly formed in a position right above the corresponding water dropper, a cover plate is rotationally connected with the end, which is far away from a corresponding slider, of eachslide plate by a rotary bearing, a semicircular groove is fixedly formed in a surface of an end of each cover plate, and the lower ends of hydraulic rods are fixedly connected with the slide plates.The systemic skin disease treatment device has the advantages that required-to-be-fumigated upper and lower positions of the bodies of users can be adjusted according to the users, fumigation treatment on patients can be facilitated, and treatment effects can be improved.

The invention discloses a water cooling type movie projection lamp. The water cooling type movie projection lamp comprises a shell and a lamp rack and is characterized in that the lamp rack is horizontally arranged on the lateral wall of the shell and fixedly connected with the shell through screws, the top of the lamp rack is provided with a sealing plate, the sealing plate is vertically arrangedon the edge of the top of the lamp rack and tightly and fixedly attaches to the lamp rack, a lamp holder is arranged on the lateral side of the lamp rack, the lamp holder is vertically arranged on the lateral wall of the lamp rack and fixedly connected with the lamp rack through screws, a fixing column is arranged at the bottom of the lamp rack, and the fixing column is vertically arranged on theedge of the bottom of the lamp rack and tightly and fixedly attach to the lamp rack. The water cooling type movie projection lamp has the advantages that the water cooling type movie projection lamphas a water cooling system, water is conveyed to the periphery of the lamp rack through a WQY300 water pump to cool the lamp rack, and accordingly the service life of the water cooling type movie projection lamp is prolonged.

The invention belongs to the field of pipeline valves, and particularly relates to a stop valve and a connecting pipe assembly for connecting the stop valve with a pipeline. The stop valve comprises amain valve body; a bottom plate is fixedly mounted at the top of the main valve body; a left valve pipe and a right valve pipe are fixedly mounted on the two sides of the main valve body respectively; and a first section and a second section which are connected with each other are fixedly mounted on the inner wall of the main valve body. According to the stop valve and the connecting pipe assembly for connecting the stop valve with the pipeline provided by the invention, a screw valve clack can be driven to rotate and move up and down through a threaded rod by rotating a rotary handle, then the screw valve clack can be in threaded connection with the inner side of a sealing ring, and when a rubber sleeve stops moving under the resistance of a limiting convex ring, the screw valve clack still moves downwards continuously; therefore, the rubber sleeve can be pressed to deform with an elastic pressing piece on the inner side of the rubber sleeve, the sealing performance during threaded connection of the screw valve clack and the sealing ring can be improved conveniently, and the problem that water leaks when the stop valve is closed due to poor sealing performance during threaded connection of an existing device is solved.

The invention discloses a baby milk bottle with high sealing performance. The milk bottle comprises a bottle body and a bottle cover, and a sealing device and a milk bottle nipple are arranged on thebottle cover. According to the baby milk bottle, excessive air in the bottle can be pumped by using an air pump when there exists milk liquid in the bottle, a vacuum state in the bottle can be maintained by using the sealing device to inhibit the propagation of germs, and the purpose of breast milk fresh keeping is achieved to prolong the quality guarantee period.