51results about How to "Normal ventilation" patented technology

The domestic refuse incinerator is characterized by that two-stage reciprocating grate, it is suitable for incinerating low-calority high water content and non-sorted domestic refuse, it comprises furnace body with bunker, feeding machine, fire grate, air chamber positioned under the grate and ash-discharge hole, in which said fire grate comprises fixed grate segments fixed on the furnace body and movable grate segments connected on the reciprocating bar. Said fire grate can be divided into two portions of front-stage grate and rear-stage grate, between them there is a position head with a certain height, said fire grate can make refuse automatically be turned, stirred and crushed, and its air intake can be regulated conveniently, and the refuse can be fully incinerated.

A penetration-crystallization type cement-base water-proof material for building is prepared from silicate cement, sodium methyl naphthalenesulfonate condensate, water silane emulsion, dodecahydrated aluminium potassium sulfate, magnesium hydroxide, calcium hydroxide, sodium silicate, bentone and quartz sand through proportional mixing. Its advantages are high penetrability and crystallinity, permanent water-proof effect, and self-repairing of fine cracking.

The invention relates to a protective mask with a detachable filter tip. The mask comprises a mask body, ear bands are symmetrically arranged at the two ends of the mask body. A breathing layer is arranged in the middle of the mask body; the outer surface of the mask body is covered with a breathing layer and provided with a filter tip device, the inner surface, corresponding to the filter tip device, of the mask body is provided with an annularly-sealed breathing cavity in a protruding mode, the filter tip device comprises a filter tip fixing frame and a filter tip groove cover, and a plurality of mask filter elements are arranged in the filter tip groove cover and surround the breathing layer to be integrally formed with the mask body. The replaceable mask filter element is only arrangedin the middle of the mask body and is formed by combining and processing one or more of the activated carbon fiber layer, the cotton bamboo fiber layer, the polymer fiber layer, the acupuncture cotton layer, the melt-blown fabric layer and the non-woven fabric layer, the mask filter element can be replaced according to different occasions, and the application range is wide; the protruding breathing cavity is formed in the inner surface of the mask body and can be tightly attached to the face, and the situations of local air leakage and poor filtering effect caused by insufficient sealing performance of a traditional mask are avoided.

The invention provides a large-span underground engineering structure ceiling outer hanging type fireproof plate and an installing method thereof, and belongs to the field of underground engineering disaster prevention. The outer hanging type fireproof plate comprises a fireproof plate layer, inter-plate connecting pieces, an installing hanging frame, a building ceiling and an air heat preservation partition layer. The fireproof plate layer comprises a rock wool plate layer, a fiber plate layer and a fireproof rubber plate layer. The fireproof plate layer is connected with the building ceilingthrough the installing hanging frame, the lower portion of the installing hanging frame is embedded in the fireproof plate layer, and the installing hanging frame and the fireproof plate layer are sequentially connected and fixed in a segmented manner. The air heat preservation partition layer on the inner side of the outer hanging type fireproof plate is cut off through a fireproof plate hangingframe body into small partition layer branch cavities, the convection phenomenon caused by heated air during the fire disaster is prevented, and damage to the underground engineering structure ceiling from the fire disaster is effectively reduced.

The invention discloses an outdoor machine cabinet with dampproof ventilation openings. The outdoor machine cabinet comprises a cabinet body, a plurality of ventilation openings are formed in the cabinet body, the ventilation openings are rotatably connected with a plurality of plates, extending rods are arranged at the position, facing the inner side of the cabinet body, of the plates, the extending rods are rotatably connected with a drying plate, the drying plate comprises a cavity defined by metal wire meshes, the cavity is filled with drying agents, a containing groove is formed in the at the position, on the outer side of the cabinet body, of at least one plate, an opening of the containing groove is upward, and a limiting plate is arranged on the portion, below the drying plate, of the cabinet body. The ventilation openings of the outdoor machine cabinet can be closed automatically in the environment of rainy days, dampness is prevented from entering the cabinet body, and the problem that internal components are corroded and damaged due to the fact that damp air enters the cabinet body is solved.

The invention relates to the technical field of electronic cigarettes, in particular to an anti-blocking electronic cigarette, which includes a tube body, a power supply device is arranged in the tube body, and a ventilation structure communicating with the atomizer is arranged on the side wall of the tube body. The end of the tube body is connected with an atomizer, the end of the atomizer is connected with a suction nozzle, and the ventilation structure includes no less than one vent hole opened on the side wall of the tube body, and the vent hole and The atomizer is connected, and an insertion rod is inserted into the air hole, and a driving mechanism for driving the insertion rod to insert and disengage from the air hole is arranged in the body of the tube. The invention also discloses an anti-clogging method for an anti-clogging electronic cigarette, which includes the following steps: S1. Installing a freely slidable insertion rod at the vent hole and a driving mechanism for driving the insertion rod to move; S2. When smoking, inserting The rod leaves the ventilation hole under the action of the driving mechanism; S3, when it is out of use, the insertion rod is inserted into the ventilation hole under the action of the driving mechanism. The invention can realize comprehensive anti-clogging.

The invention provides a heat exchanger, a heating water circulating unit and a control method of the heating water circulating unit. The heat exchanger comprises a heat exchange pipe and heat exchange fins, the heat exchange fins are arranged on the heat exchange pipe in a penetrating mode, the number of the heat exchange fins is at least two, and the at least two heat exchange fins form a heat exchange fin set; and in every two adjacent heat exchange fin sets, the distance between the heat exchange fin, close to the second heat exchange fin set, in the first heat exchange fin set and the heat exchange fin, close to the first heat exchange fin set, in the second heat exchange fin set is gradually decreased in an airflow flowing direction, and the distance is the distance perpendicular tothe airflow flowing direction. The distance between the fins can be gradually reduced in the airflow flowing direction, the large fin distance is formed, the air speed is increased, the air volume isincreased, the heat exchange capacity of the heat exchange fins is improved, the defrosting capacity is improved, the large-temperature operation range of a multifunctional water heater can be effectively met, and the working condition application range is widened.

The invention provides a snow protection device and a vehicle and relates to the technical field of vehicles. The snow protection device is arranged in the position of an air inlet of an outer draughtfan of the vehicle and comprises sliding ways, a snow protection cover and drive assemblies, the sliding ways are arranged on a shell of the vehicle, the snow protection cover is arranged on the sliding ways in a sliding mode, the drive assemblies are arranged on the snow protection cover and used for driving the snow protection cover to slide along the sliding ways, and when sliding to a presetposition, the snow protection cover can shelter the air inlet. When the outer draught fan stops working, the drive assemblies drive the snow protection cover to slide towards the air inlet along the sliding ways for snow protection until the snow protection cover slides to the preset position and completely shelters the air inlet, and therefore snow is prevented from being accumulated in the position of the air inlet. When the outer draught fan needs to work, the drive assemblies drive the snow protection cover to slide in the reverse direction, the air inlet is exposed, and normal ventilationcan be conducted through the air inlet. By the adoption of the provided snow protection device, the air inlet can be sheltered when the outer draught fan stops working, and the situation that the snow is accumulated in the position of the air inlet and thus normal work of the outer draught fan is affected is prevented.

The invention discloses a high-transmittance, high-efficiency, sand-proof and rain-proof shutter. The high-transmittance, high-efficiency, sand-proof and rain-proof shutter comprises a flange frame; the flange frame consists of a lower end plate, an upper flange, a lower flange, a left flange and a right flange; a shielding device is arranged inside the flange frame; the shielding device comprisesan upper front positioning plate, an upper front inserting slot, an upper rear positioning plate, an upper rear inserting slot, a lower positioning plate, a lower front inserting slot, a lower rear inserting slot, a plurality of shutter sheets and a sewage outlet, wherein the upper front positioning plate is arranged at the front side of the internal top of the flange frame; the upper front inserting slot is arranged on the upper front positioning plate; the upper rear positioning plate is arranged at the rear side of the internal top of the flange frame and opposite to the upper front positioning plate; the upper rear inserting slot is arranged on the upper rear positioning plate; the lower positioning plate is arranged at the front side of the internal bottom of the flange frame and opposite to the upper front positioning plate; the lower front inserting slot is arranged on the lower positioning plate and corresponds to the upper front inserting slot in position; the lower rear inserting slot is arranged on the lower flange and corresponds to the upper front inserting slot in position; the tops of the shutter sheets are correspondingly inserted into the upper front inserting slot and the upper rear inserting slot; the bottoms of the shutter sheets are correspondingly inserted into the lower front inserting slot and the lower rear inserting slot; and the sewage outlet is arranged in front of the lower positioning plate and the lower flange.

A pressure releasing automatic reset air shaft anti-explosion cover relates to the field of ventilating safety of a coal mine and comprises a well lid arranged on a well mouth; at least two guide sleeves are connected to the outer peripheral edge of the well lid; a guide pillar is arranged in each guide sleeve in a penetrating mode; an elastic limiting block is arranged at the top end of each guide pillar; an upright pillar and a pressure releasing device are connected to the middle above the well lid; each pressure releasing device is respectively connected with a locking mechanism and comprises a pressure releasing drum; a cover door is hinged above each pressure releasing drum; an air spring is hinged into each pressure releasing drum; the telescopic end of each air spring is hinged to the inside of the corresponding cover door; the air springs are hinged onto the upright pillar; the telescopic end of each air spring is respectively hinged to the outside of the corresponding cover door; at least two hydraulic lifting machines are connected below the well lid; travel switches are connected onto the upright pillar; when being opened, each cover door makes contact with the corresponding travel switch and the hydraulic lifting machines are started to work. The pressure releasing automatic reset air shaft anti-explosion cover is safe and reliable.

The invention belongs to the technical field of clothes treatment, and provides washing and drying integrated equipment. The problem that peculiar smell is prone to being generated and even bacteria are prone breeding in an outer barrel and a window pad due to the fact that the outer cylinder and the window pad of existing washing and drying integrated equipment cannot be in air circulation with the outside is solved. The washing and drying integrated equipment comprises an outer barrel, a window pad, a fan and a drying air duct, an air inlet of the drying air duct communicates with the rear part of the outer barrel, and an air outlet of the drying air duct communicates with the upper part of the window pad; an air duct inner air door is arranged in the drying air duct, an air duct wall air door is arranged on the drying air duct, and a barrel wall air door is arranged on the upper part of the outer barrel; and the air duct inner air door can be opened / closed so that the interior of the drying air duct can be communicated / blocked, the air duct wall air door can be opened / closed so that the drying air duct can be communicated / blocked with the outside, and the barrel wall air door can be opened / closed so that the outer barrel can communicate with / be blocked with the outside. Ventilation of the washing and drying integrated equipment can be achieved, peculiar smells in the outer barrel and the window pad can be removed, bacterium breeding is avoided, and the user experience is improved.

The invention provides a storage battery protection system which comprises a gate assembly which comprises a gate body and a gate support which are oppositely arranged on the inner wall of a vent hole; the optical detection device comprises a first optical detection assembly and a second optical detection assembly which are arranged on the inner wall of the vent hole; and the gate driving device is in driving connection with the gate body and is in communication connection with the optical detection device, so that the gate body is controlled to be in contact with or away from the gate support according to the light receiving condition of the optical detection device. According to the scheme, when water enters the storage battery, the light transmittance between the first optical detection assemblies is reduced, the gate driving device drives the gate assembly to make contact with the gate support, and therefore the purpose of preventing water from entering the storage battery is achieved; and when too much gas is generated in the storage battery, the light transmittance between the second optical detection assemblies is reduced, and the gate driving device drives the gate assembly to be away from the gate support, so that the storage battery can exhaust the gas generated in the storage battery.

The invention discloses a computer operating environment automatic adjustment system based on data collection, including a sensor, a ventilation unit, an air conditioner, a central controller, an alarm, a lighting module, an access control unit, a server, a wireless module, a camera collector, and a UPS Power supply, sensors include wind pressure sensor, flame sensor, water immersion sensor, human body infrared sensor, temperature and humidity sensor, smoke sensor; the beneficial effect of the present invention is: do corresponding processing according to different operating environment problems, and will generate corresponding prompt instructions Send it to the server, classify the shooting video according to different start signals, so that the video can be retrieved conveniently, and when the wind pressure intensity value, fire source information value, ground water information value, human body monitoring sensor value, temperature and humidity value, smoke When the density values ​​are not equal to the corresponding preset values, all the lighting modules will be turned on to improve the quality of the video, and the details of the video will be more.

The invention discloses a feed formula for increasing the survival rate of pure blood and calf cattle and a feeding management scheme, the feed formula comprises the following ingredients: cold boiled water, boiled water and milk replacer, the ratio of the cold boiled water to the boiled water is 6: 8, the ratio of the milk replacer to the cold boiled water is 1: 1, the cold boiled water and the boiled water are blended, the temperature is controlled to be 45-50 DEG C after blending, the milk replacer is added after blending, stirring is performed, and the milk replacer is added after blending. The temperature is reduced to 38-39 DEG C; the umbilical cord of the calf is wrapped with the breathable protective cover, it is guaranteed that the periphery of the umbilical cord of the calf can be normally breathable, tissue around the umbilical cord is dried through gauze, it is guaranteed that the periphery of the umbilical cord can be kept dry, and the umbilical cord can be protected through the protective cover; oral cavities of the calves or other calves cannot make contact with the umbilical cord, the calves or other calves are prevented from sucking or licking the umbilical cord, the probability of omphalitis caused by sucking or licking is reduced, and healthy growth of the calves is guaranteed.

The present disclosure provides a heat exchanger, a hot water cycle unit and a control method thereof. The heat exchanger includes: a heat exchange tube and a heat exchange fin, and the heat exchange fin is arranged on the heat exchange tube, and The heat exchange fins are at least two, and at least two of the heat exchange fins form a heat exchange fin group; and in two adjacent heat exchange fin groups, the first heat exchange fin group The distance between the heat exchange fins close to the second heat exchange fin group and the heat exchange fins in the second heat exchange fin group close to the first heat exchange fin group gradually decreases along the direction of air flow, and the distance is the distance perpendicular to the direction of air flow. According to the present disclosure, the distance between the fins can be gradually reduced along the direction of the air flow, forming a large fin distance, increasing the wind speed and air volume, improving the heat exchange capacity of the heat exchange fins, and improving the defrosting ability, which can effectively meet the needs of multiple users. The large temperature operating range of the functional hot water machine improves the applicable range of working conditions.