30results about How to "Fresh air" patented technology

The utility model relates to a pig house excrement treatment system belongs to the field of livestock breeding technology, the system includes the dung pool, and is provided with the dung scraper and water and electricity supply system in the dung pool, the dung pool is V type structure and is provided with U type groove in the bottom, is provided with the plug disc chain in the U type groove, is provided with the dung scraper between the two side walls of dung pool, water and electricity supply system sets up one end in the dung pool to be provided with in -place inductive point and travel switch K1, the utility model discloses the cooperation of the dung scraper and plug disc chain conveying equipment can automatically, high -efficiently clean up the excrement in the pig house, need not manual frequent operation, has improved the cleaning efficiency, reduced the manpower cost, compared with prior art has the remarkable promotion.

The invention discloses a negative ion coating which comprises the following components in percentage by mass: 15-25% of titanium dioxide, 4-6% of kaolin, 10-20% of high-calcium powder, 20-40% of natural resin emulsion, 1-2% of tourmaline, 1-2% of rare earth spar powder and 25-30% of water. A preparation method of the negative ion coating comprises the following steps: sequentially adding the titanium dioxide, the kaolin, the high-calcium powder, the rare earth spar powder and the tourmaline into a reaction kettle filled with the water; and finally, adding the natural resin emulsion, and uniformly stirring to obtain the product. By introducing the rare spar, the tourmaline and the natural resin emulsion, the prepared anion coating has the function of continuously releasing anions, can effectively improve the indoor air quality and remove harmful pollutants such as formaldehyde in the indoor air, and has the antibacterial and bacteriostatic functions, meanwhile, the preparation method is simple, the industrial production cost is reduced, and the preparation method is suitable for industrial production. The prepared negative ion coating has good negative ion release performance and decoration performance, is particularly suitable for occasions such as residential buildings, commercial buildings and public buildings, and has wide application prospects.

The invention discloses an automatic tableware putting machine. According to the device, an ultraviolet disinfection lamp telescopic motor is fixedly connected to the upper surface of a throwing machine shell, an ultraviolet disinfection lamp telescopic push rod is arranged at the lower end of the ultraviolet disinfection lamp telescopic motor, and an ultraviolet disinfection lamp bottom plate is arranged at the end, opposite to the ultraviolet disinfection lamp telescopic motor, of the ultraviolet disinfection lamp telescopic push rod; the end, opposite to the ultraviolet disinfection lamp telescopic push rod, of the ultraviolet disinfection lamp bottom plate is fixedly connected with an ultraviolet disinfection lamp, and one side of the putting machine shell is fixedly connected with an ultraviolet disinfection lamp telescopic frame. A telescopic ultraviolet disinfection lamp structure is additionally arranged on the automatic tableware feeding machine. When tableware needs to be disinfected, power can be provided through the ultraviolet disinfection lamp telescopic motor, the ultraviolet disinfection lamp bottom plate is driven by the ultraviolet disinfection lamp telescopic push rod to move in the vertical direction, and then the ultraviolet disinfection lamp is aligned with the tableware for disinfection.

The utility model relates to the field of toilet lid equipment, and discloses a toilet lid with an aromatherapy box, which comprises a fixed plate, the lower surface of the fixed plate is fixedly connected with a fixed seat, the inner wall of the fixed seat is hinged with an auxiliary seat, the front surface of the auxiliary seat is fixedly provided with a toilet lid plate, the inner wall of the auxiliary seat is hinged with a bearing frame, and the bearing frame is fixedly connected with the aromatherapy box. A supporting plate is fixedly connected to the lower surface of the bearing frame, an aromatherapy assembly is arranged at the axis of the upper surface of the supporting plate and comprises a mounting frame, and an aromatherapy containing box is detachably connected to the axis of the inner wall of the mounting frame. According to the aromatherapy assembly, the aromatherapy containing box, the supporting frame, the top plate and other parts in the aromatherapy assembly are matched with one another through the connection relation, the aromatherapy assembly is arranged on the toilet lid, aromatherapy smell can be continuously released, air can be effectively refreshed, peculiar smells can be removed, and a more comfortable and agreeable toilet environment is created for a user; and the experience feeling of the user is improved.

The invention relates to a residential kitchen and toilet air inlet and exhaust passage ventilation system and ventilation method, and belongs to the technical field of smoke exhaust of residential building kitchens and toilets. According to the technical scheme, the device comprises at least one smoke exhaust duct and at least one air inlet duct, the smoke exhaust duct is provided with an exhaust port communicated with a kitchen and a toilet of a house, and the exhaust port is provided with an exhaust check valve; the air inlet channel is provided with an air inlet which is communicated with a kitchen and a bathroom of the residence, and the air inlet is provided with an air inlet check valve; the air inlet channel is communicated with air outside a house through an air inlet pipe, and air enters kitchens and toilets of the house through the air inlet pipe, the air inlet channel and the air inlet. The invention has the beneficial effects that the independent air inlet channel is added, so that outdoor air enters the kitchen and the bathroom of the residence, vacuum, smoke and odor mixing and floor drain odor returning caused by the use of an exhaust fan and a smoke exhaust ventilator are avoided, and the air in the kitchen and the bathroom is kept fresh.

The invention discloses an independent warm air temperature control method and system and a medium, mainly relates to the technical field of warm air control, and aims to solve the problems that according to an existing scheme, a user needs to frequently adjust gears, rest of the user is affected, automatic temperature control precision is low, and air is dry and turbid due to long-time independent warm air work in a closed cab environment. Comprising the steps that when a heater operation mode is a manual gear or an automatic gear, the temperature of an air outlet of a heater is obtained; adjusting a heater operation mode based on the heater air outlet temperature; when the heater operation mode is the automatic gear and the temperature of the air outlet of the heater is smaller than or equal to the temperature early warning value Th1, the temperature difference value between the set temperature and the actual room temperature is calculated, and then whether the heater is operated or not is determined; after determining that the heater operates, determining an operation gear of the heater based on the range of the temperature difference value; and when the heater under the automatic gear enters the standby mode and meets the preset gear shifting standard, the operation gear of the heater is determined, and the temperature difference value is obtained again.

The invention relates to the technical field of bamboo shoot slice processing, in particular to bamboo shoot slice processing and drying equipment. The invention provides bamboo shoot slice processing and drying equipment with a turnover function and a vibration function, which comprises a placement frame serving as a mounting carrier of parts; the doors are rotationally arranged on the placing frame in a front-back symmetrical mode; the number of the rotary tables is four, and the rotary tables are rotationally arranged on the left side face of the containing frame. Bamboo shoot slices on the placing box are dried by starting a power supply, conveying current through an electric wire and a warm lamp, and a first motor is started to drive a belt wheel and a flat belt to rotate, so that the placing box is driven to rotate to turn over the bamboo shoot slices, the bamboo shoot slices are not prone to adhering to the placing box, the drying speed is increased, and the drying effect is improved; the air suction pump is started to drive the air inlet pipe to suck turbid air in the placing frame, and the turbid air is exhausted through the air outlet pipe so as to ensure that the air in the placing frame is fresh.

The utility model discloses a fan lamp convenient for replacing aromatherapy. The fan lamp comprises a hoisting assembly, a motor assembly, a first light source assembly, a mounting seat, a plurality of fan blades, a plurality of drawing boxes and a plurality of aromatherapy blocks, one end of the hoisting assembly is mounted on the mounting position; a stator of the motor assembly is arranged at the other end of the hoisting assembly; the first light source assembly is arranged on a stator of the motor assembly; the fan blades are connected to a rotor of the motor assembly; the mounting seat is arranged at the other end of the hoisting assembly and is provided with a plurality of slots; the drawing box is arranged on the slot position and is connected with the mounting seat through a first detachable structure; the aromatherapy block is arranged in the drawing box; the fan blades can drive the fragrance dissipated by the aromatherapy block to diffuse to the surrounding environment during rotation; by means of the structure, air in the surrounding environment can become fresh, the aromatherapy block can be replaced very conveniently, and very good practicability is achieved.

The intelligent constant-temperature disinfection and purification system comprises a supporting frame, a lifting mechanism is fixedly installed at the bottom end of the inner wall of the supporting frame, the lifting mechanism comprises a lifting plate and two limiting plates, the two ends of one side of the lifting plate are fixedly connected with one ends of the two limiting plates respectively, and an assembling plate is arranged on one side of the lifting plate; an air conditioner mounting plate is arranged on one side of the assembly plate, a direct-current air conditioner body is fixedly mounted on one side of the air conditioner mounting plate, a sterilizer mounting plate is arranged at the top end of one side of the direct-current air conditioner body, and an IFD purification sterilizer is fixedly mounted on one side of the sterilizer mounting plate. According to the direct-current air conditioner, the direct-current air conditioner body, the IFD purification sterilizer and the negative-ion generator are arranged, the IFD purification sterilizer intercepts gas bacteria and viruses entering the air conditioner, the negative-ion generator conducts negative ionizing on gas sucked by the air conditioner, a patient in an oxygen cabin is prevented from inhaling unhealthy gas, and air in the oxygen cabin is fresher.

The utility model discloses an automobile air conditioner air outlet structure relates to the technical field of automobile parts, including the air pipe, and the air outlet grid of air pipe air outlet end installation, air pipe air outlet end is equipped with the magnetic attraction connecting piece for the detachable air outlet grid, the support is installed in the air pipe, the support inner plug has the activated carbon honeycomb board for adsorbing air peculiar smell and the non -woven filter board for filtering air, and the non -woven filter board sets up in activated carbon honeycomb board's air outlet end, the groove on activated carbon honeycomb board installs the liquid storage bottle for storing air air fragrance liquid, the air duct adjusting part of rotatable is arranged in the air pipe, the air outlet grid is connected with the air pipe air outlet end through the magnetic attraction connecting piece, realizes quick dismounting with the magnetic attraction principle, compared with traditional buckle or screw fixed mode, it is more simple and convenient to operate, and the cleaning and maintenance efficiency of air outlet grid has been improved greatly, and the use cost of user has been reduced.

The invention relates to the technical field of cooperative rearing of young silkworms, in particular to an intelligent adjusting system and method for the rearing environment of a cooperative rearing room of young silkworms. The cloud platform is connected with the environment adjusting module and used for receiving the temperature, humidity, illuminance and carbon dioxide concentration parameters, fed back by the environment adjusting module in real time, in the young silkworm cooperative rearing room and adjusting the temperature, humidity, illuminance and carbon dioxide concentration in the young silkworm cooperative rearing room in real time based on the temperature, humidity, illuminance and carbon dioxide concentration parameters; and the remote control terminal is connected with the cloud platform through the Internet and is used for monitoring the environment data of the cooperative rearing room of young silkworms in real time. According to the intelligent adjusting system and method for the cultivation environment of the cooperative rearing room for young silkworms, the temperature, humidity, illuminance and carbon dioxide concentration parameters in the cooperative rearing room for young silkworms are collected at the frequency of 5 times per second through the edge gateway by using the RS485 protocol, and the edge gateway transmits the collected data to the cloud platform through the 4G network.

The utility model relates to the technical field of dust removal equipment, in particular to a movable dust removal device for a production workshop, which comprises an air outlet pipe, the bottom end of the air outlet pipe vertically penetrates through the middle of the top of a filter box, and the top end of an air collecting pipe vertically penetrates through the middle of the bottom of the filter box. The bottom ends of the gas collecting pipes vertically penetrate through the left side and the right side of the top of the cavity correspondingly, exhaust fans are installed on the inner walls of the left side and the right side of the cavity in a threaded mode, a dust raising mechanism is clamped to the middle of the top wall of the cavity, and water storage tanks are connected to the outer walls of the left side and the right side of the filter box in a threaded mode. A water guide pipe vertically penetrates through the middle of the bottom of the water storage tank, and the bottom end of the water guide pipe vertically penetrates through the middle of the top of the spraying mechanism. According to the improved dust removal device, the dust raising mechanism is started, dust attached to the ground can be raised into raised dust, the raised dust is conveniently sucked by the exhaust fan and finally enters the filter box to be filtered, and the spraying mechanism is used for spraying water mist, so that air in a workshop can become more moist and fresher.

The application discloses a safety device for building composite foundation pile soil sampling operation and relates to the technical field of building construction. The safety device comprises a protection box body placed in a detection hole formed on a foundation and a support frame located above the foundation. A protection door is hinged to one side of the protection box body. A lifting ring is arranged above the protection box body. An electric hoist is arranged at a position close to the protection box body of the support frame. The electric hoist is provided with a lifting rope connected with the lifting ring. Workers enter the protection box body, and the electric hoist installed on the support frame lowers the protection box body into the detection hole formed on the foundation to protect the workers. A protection door is hingedly arranged on one side of the protection box body. After the workers enter the protection box body, the protection door is closed to prevent soil from entering the protection box body when the protection box body encounters hole collapse in the detection hole of the foundation. The protection box body reduces the safety threat caused by hole collapse of the detection hole and upper soil falling to the workers.

The utility model discloses an air flow circulation control device in an elevator car, and relates to the technical field of air flow circulation. The air flow circulation control device in the elevator car comprises the elevator car, the air flow circulation control device is arranged on the elevator car, the air flow circulation control device comprises a filter box, the filter box is fixedly connected to the upper surface of the elevator car, a first circular pipe is arranged on the filter box, and the first circular pipe is fixedly connected to the upper surface of the filter box; the air inlets are formed in the upper side, compared with the mode that the air inlets are formed in the left inner cavity and the right inner cavity of the elevator car, when many people exist, air flow cannot be blocked, and the situation that people lean against the left inner cavity and the right inner cavity of the elevator car is not hindered; the L-shaped position of the L-shaped air guide plate can block and weaken airflow, strong airflow is prevented from directly acting on the head of a passenger, and the practicability of the airflow circulation control device is improved.

The utility model discloses an oxygen production air purifier. An air outlet is formed in the top of the shell; the fan is arranged in the outer shell, a heat dissipation channel is installed on one side of the fan, a semiconductor chilling plate is installed in the heat dissipation channel, and the refrigeration end of the semiconductor chilling plate is connected with a metal wire. The air purifier can be used as a fan, provides multi-gear air speed selection and can provide cool air for a user in hot summer by arranging a semiconductor chilling plate and a metal wire, so that the user can enjoy fresh air, and the user can enjoy fresh air. And a user can feel comfortable in hot weather.

A lifting storage range hood frame comprises a first supporting piece, a bottom frame and a range hood, and the first supporting piece comprises a first fixing end and a first connecting end which are located at the two ends; the bottom frame comprises a bottom plate and a second supporting piece, one end of the second supporting piece is fixed to the bottom plate, and the other end of the second supporting piece is telescopically connected with the first connecting end so as to adjust the distance between the bottom plate and the first fixing end; the range hood comprises a machine shell, a first flue pipe and a second flue pipe, the machine shell is arranged on the bottom plate, the first flue pipe comprises a second fixing end and a second connecting end which are located at the two ends, one end of the second flue pipe is connected with the machine shell, and the other end of the second flue pipe is telescopically connected with the second connecting end. According to the range hood, the distance between the bottom plate and the first fixing end can be adjusted through telescopic connection between the first connecting end of the first supporting piece and the second supporting piece of the bottom frame, then the overall height of the range hood is adjusted, the range hood can adapt to different kitchen environments and the height requirements of users, and the smoke exhaust effect of the range hood is improved.

The invention discloses a purification type negative ion sickbed, and relates to the field of sickbeds. The purification type negative ion sickbed comprises a bed frame, front guardrails are installed on the two sides of the bed frame, a headboard is fixedly installed at one end of the bed frame, and a purification mechanism is installed between the front guardrails and the headboard and comprises a first negative ion purification body and a second negative ion purification body. The first negative ion purification main body is embedded in the front guardrail, and the second negative ion purification main body is fixedly mounted on the back surface of the headboard. According to the purification type negative ion sickbed, indoor air is sucked in from the second air inlet in the front face of the headboard, after the indoor air reacts through the negative ion module in the second negative ion purification body, clean, sanitary and fresh air is continuously sent out from the second negative ion purification body and the second air outlet in the top of the headboard and circulates continuously, and negative pressure airflow is formed in the space; therefore, the air quality of the area around the bed head is improved, and the effective purification effect is achieved.

The utility model relates to the technical field of kitchen smoke exhaust, in particular to a kitchen air freshening water conveying smoke hood. The kitchen air freshening water conveying smoke hood comprises a smoke hood frame, a smoke exhaust hood, a water storage tank, a spray head mounting frame, an atomizing spray head, a smoke exhaust assembly and the like. The smoke exhaust hood is connected with the water storage tank through a smoke hood frame, the top of the inner side of the smoke exhaust hood is connected with a plurality of atomizing nozzles through a nozzle mounting frame, and the top of the smoke hood frame is connected with a smoke exhaust assembly for discharging oil smoke. The liquid sprayed by the atomizing spray head is mixed with the oil fume for saponification reaction to realize primary purification of the oil fume, and the oil fume is matched with the gas baffle through rotation of the spiral disc, so that separation of oil and smoke in the oil fume, secondary purification of the oil fume and separation of oil in the oil fume are realized, and the oil fume discharged outdoors is prevented from containing oil-water liquid; and an environment-friendly emission function is realized.

The utility model relates to related field of leather especially, a kind of leather of smell adjustable, including bottom layer, buffer layer, spandex fiber fabric layer, surface layer, antiskid line, protective coating, hydrogel particle, plant tannin, reinforcing coating, microporous polyurethane film.The utility model is provided with hydrogel particle, plant tannin, plant tannin as a kind of natural antibacterial agent and antioxidant, can effectively adsorb and neutralize the peculiar smell in car, and the release speed of plant tannin gas is adjusted by hydrogel particle, so that the smell adjusting effect is durable and controllable, to keep the air in car fresh, better improve the comfort of passenger, it is favorable to improve the practicality of car leather.

An explosion-proof air purification and cooling device for coal mine gas and dust includes a volute-shaped impeller driving device. The air inlet of the impeller driving device is connected to an induced draft fan. The impeller driving device includes a volute housing and an impeller located within the volute housing. Airflow enters the volute housing tangentially to the impeller and, upon impact with the impeller blades, drives the impeller to rotate rapidly. A water spray system is also installed inside and outside the volute housing, facing the impeller. The water and airflow are forcibly agitated by the high-speed rotating impeller within the volute housing, and then discharged through an outlet on the side of the volute housing. This invention can forcibly agitate and clean the gas containing coal mine gas and dust drawn in from the mine, allowing the airflow to fully contact the continuously exploding water mist, separating gas, dust, and other harmful gases from the airflow, ultimately discharging clean air, thus maintaining fresh air in the mine for a long time.

This invention discloses an indoor oxygen-enhancing ecological wall based on plant chemosynthesis, comprising a wall body with a fixed support frame installed on it. An aquatic animal breeding pond is located at the bottom of the fixed support frame. Above the aquatic animal breeding pond are multiple layers of planting frames for growing greenery. Water pipes are connected between adjacent planting frames. The planting frames and water pipes are arranged in an S-shaped structure. A water replenishment device is located between the top planting frames and the aquatic animal breeding pond, and this device is connected to a controller. A water return device is located between the bottom planting frames and the aquatic animal breeding pond. A supplemental lighting device is installed on the fixed support frame and connected to the controller. This device provides supplemental lighting to the greenery. This invention increases light intensity for the plants through the supplemental lighting device, thereby increasing photosynthesis and promoting normal plant growth and development, while also improving indoor air quality.

An odor-removing insole and its preparation method are disclosed. The odor-removing insole includes an upper and lower layer that can be interlocked, and odor-removing particles disposed between the upper and lower layers. The lower layer has an installation groove for installing the odor-removing particles, and the upper layer has ventilation holes opposite to the installation groove. The odor-removing particles are composed of the following raw materials: diatomaceous earth, zeolite powder, epoxy resin, lemon eucalyptus oil, zinc oxide, and magnesium stearate. By defining the specific structure of the insole, the invention provides ventilation holes in the upper layer opposite to the odor-removing particles. Volatile odorous gases generated inside the shoe enter the lower layer through the ventilation holes and are adsorbed by the odor-removing particles, thus keeping the air inside the shoe fresh.

The utility model relates to a greenhouse for eel culture, which comprises a greenhouse support, a greenhouse film and a heat preservation quilt are covered outside the greenhouse support, the heat preservation quilt is covered on the outer layer of the greenhouse film, the end part of the heat preservation quilt positioned at the top of the greenhouse support is connected and wound by a quilt winding shaft, and the end part of the quilt winding shaft is driven to rotate by a quilt winding motor. The lower end of the quilt rolling motor is fixedly connected with a telescopic rod and supported by the telescopic rod, the bottom of the telescopic rod is rotationally connected to a greenhouse support, greenhouse films and heat preservation quilts located at the two side ends of a greenhouse are connected to a rolling shaft, the end of the rolling shaft is driven by a manual film rolling machine to roll, and a sliding rod allowing the manual film rolling machine to vertically slide is vertically arranged beside the manual film rolling machine. The eel breeding greenhouse has the advantages that the eel breeding greenhouse is simple in structure, sufficient lighting and internal ventilation can be realized, and meanwhile, insects and birds can be prevented.

The utility model discloses a kitchen smoke exhaust hood which comprises an installation box, a smoke exhaust pipeline is fixedly connected to the upper portion of the installation box, a fixing frame is fixedly connected to the side face of the installation box, an upper fixing block is fixedly connected to the upper portion of the fixing frame, and a control panel is electrically connected to the side face of the upper fixing block. The servo motor in the upper fixing block is used for controlling the smoke exhaust box to rotate, the smoke exhaust box can be aligned with the position where oil smoke is generated, so that the oil smoke is more accurately absorbed, the accurate oil smoke absorption is beneficial to improving the smoke exhaust efficiency, reducing diffusion of the oil smoke in a kitchen and keeping air fresh, the threaded rod is controlled to move through the driving box, and the smoke exhaust efficiency is improved. By means of the design, cleaning is more convenient, frequent disassembly and manual cleaning are not needed, the maintenance burden of a user is relieved, and it is ensured that the exhaust hood is always kept in an efficient working state.

This invention relates to the field of automotive interior technology, specifically disclosing an environmentally friendly, high-strength automotive headliner. From bottom to top, it comprises: a non-woven fabric layer, a first adhesive layer cast on the surface of the non-woven fabric layer, a first toughening fiber felt bonded to the surface of the first adhesive layer, a second adhesive layer cast on the surface of the first toughening fiber felt, a polyurethane substrate bonded to the surface of the second adhesive layer, a third adhesive layer cast on the surface of the polyurethane substrate, a second toughening fiber felt bonded to the surface of the third adhesive layer, and a fourth adhesive layer cast on the surface of the second toughening fiber felt. Both the first and second toughening fiber felts are made of toughening fibers. The first, second, third, and fourth adhesive layers are all made of composite ethylene-vinyl acetate copolymer. The multi-layered structure of this automotive headliner features tight adhesion, preventing interlayer separation, good external rigidity, and no deformation. It also exhibits excellent sound absorption performance, is odorless, and is safe and environmentally friendly.

A building with a garden, wherein the building with a garden is single-story or multi-story and includes one or more units, each unit including an indoor space and a planting garden, the indoor space is L-shaped, and a daylighting window is provided on the sunny side and / or the shady side, and the planting garden is semi-surrounded by the L-shaped indoor space. The present invention ensures that the planting garden does not affect the daylighting of the indoor space, reduces heat loss, and makes the indoor space warm in winter and cool in summer. The planting garden is connected to the living room adjacent to it, keeping the air in the indoor space fresh; the concave bottom plate accommodates thicker planting soil for easy planting. The movable daylighting exterior wall has a safety protection function and can also adjust the degree of connectivity between the planting garden 2 and the outside world. The bottom plate has good waterproof and heat insulation effects, and maintains a relatively constant temperature for the plant root system. Irrigation water is collected uniformly, which is convenient for subsequent treatment of the irrigation water. The second drainage pipe makes full use of the transition grooves of each layer as a buffer, so that the drainage can be stable and smooth.

The utility model relates to the technical field of drainage structures, and discloses a shower cubicle drainage structure which comprises a rain platform, the upper surface of the rain platform is fixedly connected with a water retaining strip, the upper surface of the rain platform is provided with a drainage groove, and the upper surface of the rain platform is fixedly connected with an anti-skid platform; a drainage pipe is fixedly embedded in the inner bottom wall of the drainage groove, and a deodorization assembly is installed in the drainage pipe. According to the drainage structure of the shower cubicle, the design of the U-shaped bent pipe is adopted, waste water naturally flows in to be drained under the action of gravity, the drainage speed is high, the drainage efficiency is high, a certain amount of water is stored in the U-shaped bent pipe, water seal is formed, sewage backflow and blockage are effectively prevented, the deodorization assembly and the U-shaped bent pipe act jointly, peculiar smell emission is effectively blocked, and air in the shower cubicle is kept fresh; through the arrangement of the cleaning pipe, a cleaning liquid injection channel can be arranged, a user can conveniently and regularly clean the drainage structure, sundries are prevented from blocking, and smooth drainage is kept.

The utility model is suitable for the technical field of building production equipment, and provides an aerated concrete block curing device which comprises a curing cabin and a spraying mechanism. The spraying mechanism comprises a water tank; the water tank is communicated with the bottom side of the maintenance cabin and is filled with an activated carbon filter element; the partition plate is arranged in the water tank; the filter screen is arranged between the partition plate and the water tank, the pump body is arranged on the water tank, and the water outlet end of the pump body is communicated with a main water pipe; according to the utility model, water can be uniformly sprayed on the aerated concrete blocks, so that the efficient, uniform and automatic maintenance function is realized; meanwhile, the water tank can recycle the sprayed water source, and the water source entering the water body is ensured to be clean through the double filtering effects of the filter screen and the activated carbon filter element, so that the cyclic utilization of the water source is realized; and the circulating fan is arranged, so that steam can be uniformly diffused to each corner of the curing cabin, and each aerated concrete block can be uniformly cured.

The utility model relates to the technical field of door locks, and discloses a refrigerator convenient for locking the angle of a refrigerator door, which comprises a refrigerator body, a fixed hinge is fixedly connected to the front side of the outer wall of the refrigerator body, a base is fixedly connected to the right side of the fixed hinge, and a rotating hinge is rotatably connected to the middle of the outer wall of the base. A plurality of limiting holes are formed in the bottom of the inner wall of the base, an outer cylinder is slidably connected to the upper middle portion of the outer wall of the base, a plurality of columns are slidably connected to the bottom of the outer cylinder, clamping plates are fixedly connected to the top ends of the columns, and springs are fixedly connected to the tops of the clamping plates. The bottom end of the column rod is fixedly connected with a conical rod, and the top end of the outer cylinder is fixedly connected with a telescopic rod. According to the utility model, the front door angle locking structure is initially closed when the pull groove at the bottom of the box door is pulled up, the column rod and the conical rod are driven to be separated from the limiting hole through the limiting of the operation screen control device and the lifting of the telescopic rod, and the angle locking adjustment of at most four gears can be realized.

The utility model discloses a fresh air device for chicken coop ventilation, which belongs to the technical field of chicken coop ventilation and comprises a chicken coop body, three air inlets are arranged on one side of the chicken coop body, ventilators are arranged in the three air inlets, three air outlets are arranged on the other side of the chicken coop body, and activated carbon filter plates are arranged at the three air outlets. Three rows of supporting frames are arranged in the henhouse body, rotating shafts are rotationally connected to the interiors of the three rows of supporting frames, air inducing plates are arranged at one ends of the three rows of rotating shafts, supporting plates are arranged between the two ends of the three supporting frames located in the middle, reduction gearboxes are arranged between the supporting plates, and output shafts of three ventilators are arranged in the three reduction gearboxes correspondingly. By means of the air inducing plate arranged on the supporting frame, the effect of guiding fresh air into the henhouse body is achieved, harmful gas can be diluted and exhausted, air in the henhouse body is kept fresh, and breeding and spreading of pathogens in the henhouse body can be reduced.