34results about How to "Avoid situations such as blockage" patented technology

The invention discloses an online hailing car management method for public transport hub parking lots. The online hailing carmanagement method comprises a management method of vehicles entering parking lots,online hailing carorder-sending and a management method of the vehicles leaving the parking lots. A parking lot management system divides the vehicles in the parking lots into social vehicles,onlinehailing cars carrying passengers and online hailingcars carrying no passengers. Whenvehicles leave the parking lots, the social vehicles and the online hailing cars carrying no passengers are charged according to the parking fee standard of the social vehicles and the online hailing cars carrying passengers are charged according to the parking fee standard of the online hailing cars. The parking cost of online hailing car drivers can be lowered and the initiative of the online hailing car drivers can be improved to enter the parking lots and wait. At the same time, the accessibility of apublic transport hub area can be improved to avoid congestion caused by too many online hailing cars waiting outside the parking lots.

The invention discloses a timed quantitative feeding device for a fish tank. The timed quantitative feeding device comprises a storage cylinder, a control box, a feeding tube, an air inlet tube, a storage disc, a feed sucking tube, an air sucking tube, a feed sucking disc, a weight sensor, a discharge tube, a motor and the like. As an air inlet tube is arranged at the lower end of the storage cylinder, and an air sucking tube is arranged at the lower end of the feed sucking tube, feed inside the storage cylinder can be transferred onto the feed sucking disc above the air sucking tube, the weight of the feed can be acquired through the weight sensor on the feed sucking disc, and then operation of the air sucking tube and the air inlet tube are controlled; a timer is adopted to control a motor to push a push plate to move forwards, a third electromagnetic valve is opened, the feed is poured into the fish tank from the discharge tube by using the push plate, then a timed quantitative feeding function of the fish tank is achieved, situations that excessive feed is poured, or the discharge hole is blocked, or the like, can be avoided; due to adoption of the control box outside the storage cylinder, timed and quantitative feeding can be set for the feeding device conveniently and rapidly. The timed quantitative feeding device is simple in structure, convenient to operate and high in intelligence degree.

The invention discloses a silt stripping method for a circulating cooling water system, which comprises the following steps of: preparing a silt stripping auxiliary agent by using sodium dodecyl benzene sulfonate, triethanolamine, polydimethyl silicon ether, sodium polyacrylate and water, adding the silt stripping auxiliary agent into cooling water in a ratio of 400 to 500mg / L for one-time circulation, adding a strong oxidizing agent into the normal circulating cooling water in a ratio of 2,000 to 3,000mg / L, and injecting clear water into the cooling water while circulating when the turbidityreaches a peak value to displace suspended matters in the cooling water. The consumption of the strong oxidizing agent is relatively reduced by 40 to 60 percent, the washing rate reaches over 99 percent, and the service life of the circulating cooling water system is prolonged, so the silt stripping method for the circulating cooling water system has the advantages of low strong oxidizing agent consumption, low metal pipeline corrosion, high washing rate, safe system operation and capability of prolonging the service life of the system.

The invention discloses a mud scraper for a sedimentation tank of a water purification plant, which comprises a sedimentation tank, a support column is arranged at the center of the bottom of the sedimentation tank, and a mounting seat is provided at the top of the support column, and the mounting seat A drive device is provided inside the drive device, a connecting piece is provided above the drive device, a fixing plate is provided on one side of the connecting piece, an extension plate is inserted into one end of the fixing plate, and the other end of the extension plate is set on side of the slide unit. In the present invention, a mud storage box is arranged on the rear side of the mud scraper. When the mud storage box moves downward, the door plate on the mud storage box is moved by using the block on the mud scraper. When cleaning the sedimentation tank, Under the action of the mud scraper, the sediment enters the mud storage box through the mud scraper, which is convenient for the cleaning and treatment of the sediment, and it is convenient for the device to be replaced when it can be applied to sedimentation tanks of other sizes, which is beneficial Device reuse.

The invention provides an improved massage bed which comprises a bed body, headrest fixing links, a headrest, a plurality of arc-shaped face support blocks and a plurality of face support block supporting pieces, wherein the bed body comprises a bed main body and a bedstead, the bed main body is fixedly arranged on the bedstead, first ends of the headrest fixing links are fixedly connected with the bed main body and the bedstead, second ends of the headrest fixing links are overhung at one side of the front end of the bed main body, the headrest is fixedly arranged at the second ends of the headrest fixing links, the bottom surfaces of the plurality of arc-shaped face support blocks are connected with a connection plate, the tail end of the connection plate is hinged with the bottom surface of the headrest through a hinge piece, the plurality of face support block supporting pieces are all arranged at the bottom surface of the headrest, and the face support block supporting pieces can be used for supporting the bottom surfaces of the face support blocks. The improved massage bed provided by the invention can be flexibly suitable for users with different facial forms.

The invention discloses a semiconductor discrete device testing device, which comprises a bottom plate, a protective shell is fixedly connected to the top surface of the bottom plate, a box body is fixedly connected to the top surface of the protective shell, and the box body is arranged in a circular shape. The inner cavity is provided with a circular plate, and several arc-shaped slots are opened on the side wall of the circular plate, and diodes are arranged in the arc-shaped slots, and a reciprocating mechanism is provided on the side wall of the box body, and the reciprocating mechanism is close to the circle. One side of the plate is provided with a detection mechanism, the top surface of the circular plate is fixedly connected with several magnetic blocks, the bottom surface of the circular plate is fixedly connected with a vertical shaft, and the bottom end of the vertical shaft penetrates the box body and is fixedly connected with a ratchet disc. The vertical shaft is movably connected with the box body, and a first sheave is fixedly connected to the side wall of the vertical shaft. The present invention can intermittently feed the diode through the mutual cooperation between the box body, the circular plate and the feeding mechanism. Avoiding clogging and other situations during feeding can effectively improve its convenience in use.

The invention discloses a tank-absorption-type water supply system and a movable landscape wall based thereon. The tank-absorption-type water supply system comprises a support frame structure. Two vertical side walls of the support frame structure are laid with inner-layer water-absorption cloth. The outside of the inner-layer water-absorption cloth is laid with planting sponge layers. The outer side walls of the planting sponge layers are laid with outer-layer water-absorption layers. The upper and lower ends of the support frame structure are provided with an upper water-collecting tank and a lower water-collecting tank. Upper portions of the inner-layer water-absorption cloth extend to the upper water-collecting tank. The water supply system further comprises a pump body. A water inlet of the pump body is connected to the lower water-collecting tank. A water outlet of the pump body is connected to the upper water-collecting tank. Planting holes are formed in the planting sponge layers. The outer-layer water-absorption cloth is provided with matching perforations matching positions for planting holes of the planting sponge layers.Compared with the prior art, the tank-absorption-type water supply system and the movable landscape wall based thereon have following advantages such as uniform water supply, simple maintenance, good planting effect of plants, cleanliness and sanitation and easy replacement of plants.

The invention discloses a sludge stripping aid of a circulating cooling water system. The aid is prepared from the following raw materials in percentage by weight: 8 to 12 percent of sodium dodecyl benzene sulfonate, 4 to 6 percent of triethanolamine, 4 to 6 percent of polydimethylsiloxane, 12 to 18 percent of sodium polyacrylate and the balance of pure water, wherein the sludge stripping aid is used together with a strong oxidant to remove the sludge from the cooling circulating water system, so that the using amount of strong oxidant can be reduced by 40 to 60 percent compared with that of the strong oxidant which is used singly, the sludge can be slowly stripped in the form of small blocks and has high dispersibility in water and a little of foam, the sludge cleaning time is prolonged,the cleaning efficiency reaches over 99 percent, the aid has low corrosion to pipes of the cooling circulating water system, the service life of the cooling circulating water system is prolonged, phenomena such as blockage and the like are avoided, and safe operation of the cooling circulating water system is guaranteed; and thus, the aid has the advantages of reducing the amount of the used strong oxidant, reducing the corrosion of the strong oxidant to the metal pipe, prolonging the effective time of the sludge stripping and improving the cleaning rate.

The invention discloses an inspection well cover with the automatic opening-closing function and relates to an inspection well cover. Currently, the water leakage portions of city inspection well ditch cover plates are normally open, and consequently a larger amount of garbage enters a sewer and pollutes a river. The inspection well cover with the automatic opening-closing function comprises a cover plate, a drum opening-closing plate, a tension spring, a drum opening-closing plate control device, wherein the drum opening-closing plate control device comprises a water collecting trough provided with a draining opening, a pulling rope, a balance weight floating ball connected with the lower end of the pulling rope and a rotary shaft disposed on the lower end face of the cover plate; one endof the tension spring is connected with the lower end face of the cover plate, the other end of the tension spring is connected with the drum opening-closing plate, the pulling rope penetrates through a gap between the cover plate and the rotary shaft, and the balance weight floating ball at the lower end of the pulling rope is arranged in the water collecting trough in a suspending mode; the drum opening-closing plate comprises a plurality of drums which are distributed side by side and connecting parts used for being connected with the adjacent drums, and the drums are parallel to a water passing trough; and the distance between the adjacent drums is matched with the distance between the cover plate and the water passing trough. According to the technical scheme, the drum opening-closing plate is arranged, the bottom of the water passing trough is sealed when no rainwater falls, and therefore the garbage is prevented from entering the sewer.

The invention discloses an integrated gas purification and dehydration device, which includes a first filter device, a second filter device and a third filter device. The first filter device is used for preliminary filtering of the gas to remove solid particulate impurities contained in the natural gas. It can preliminarily remove condensate or liquid droplets contained in natural gas; the second filtering device can perform secondary filtration on natural gas, further dehydrate the gas, and remove residual water vapor in the gas; the third filtering device can filter the gas three times to remove The impurity gas is removed while the water vapor remains, so as to realize the purification and dehydration of natural gas. The design of the first air outlet pipe and the second air outlet pipe in this technical solution is used to realize the connection between the first filter device, the second filter device and the third filter device; It not only improves the purification and dehydration effect of natural gas, but also improves the dehydration efficiency, and has high practicability.

Embodiments of the present invention provide a block chain data processing method, a block chain system, and a computer storage medium. The processing method of the blockchain data includes: receiving the signing information of the smart contract respectively delivered by the multiple access nodes of the blockchain through a plurality of first message middleware; through the sorting node of the blockchain, according to the The identification information of the smart contract is used to sort the signature information in the plurality of first message middleware; the sorted signature information is delivered to the second message corresponding to the identification information of the smart contract. In the message middleware, the signature information is merged through the second message middleware.