40results about How to "Adjust the amount of water" patented technology

The invention relates to a high-temperature test device and a test method for simulating the coolant loss process of a spent fuel pool. The high-temperature test device comprises a container (1), a compensation container (3) and a circulated water collecting device (6), wherein the container (1) is used for containing a heat conduction rod bundle (2); the compensation container (3) is communicated with the bottom of the container (1); the circulated water collecting device (6) is arranged at the upper part of the container (1) and is communicated with the container (1); the lower part of the circulated water collecting device (6) is also communicated with the upper part of the compensation container (3); the outer surfaces of the container (1) and the compensation container (3) are coated with a heat-preservation material; a spraying cooling device (7) is further arranged at the upper part inside the container (1); the compensation container (3) is configured with a plurality of water squeezing rods (8) with different cross section areas. By adopting the high-temperature test device and the test method provided by the invention, simulation on the process of coolant loss, evaporation to dryness, dry burning and spray cooling of the spent fuel pool can be achieved, and moreover, the high-temperature test device is simple in structure, convenient to operate and low in cost and is safe and reliable.

The invention discloses a heating system for a crane, which comprises a heater, wherein the heater is provided with a water inlet and a water outlet which is respectively connected with an engine oil tank and a heating air system, and an oil temperature control electromagnetic valve and a water temperature control electromagnetic valve are respectively arranged on a water path for heating the oil tank and the heating air system; an oil temperature sensor is arranged in the oil tank, a water temperature sensor is arranged in the water tank in the heating air system, and an electric control unit and an oil absorbing pump are arranged on a fuel oil pipe; and the electric control unit is used for comparing actual oil temperature and actual water temperature with a critical value respectively and adjusting the openness of the oil temperature control electromagnetic valve and the openness of the water temperature control electromagnetic valve according to comparison results. The heating system provided by the invention realizes synchronous heating of fuel oil and the heating air system and automatic temperature adjustment, is more balanced to heat and improves the heating efficiency.

The invention relates to a preparation method for fruit tree nutrition liquid, in particular to a preparation method for the fruit tree nutrition liquid containing biochemical humic acid. The method comprises the following steps: dissolving amino acid in a proper amount of water; adding ferrous sulfate into liquid in the step I to form complex iron; gradually adding the rest raw materials in the step II and fully dissolving all the rest raw materials; adjusting the pH value of supernatant liquid containing biochemical humic acid to be 6-7; adding 20% by weight of the adjusted supernatant liquid containing biochemical humic acid in the step III; adding distilled water into a prepared solution until a required amount of the solution is obtained, and adjusting the pH value to be 2-3 by citric acid to obtain the finished fruit tree nutrition liquid. The fruit tree nutrition liquid provided by the invention can comprehensively provide nutrition for fruit tree growth, stimulate fruit tree growth, and improve fertilizer efficiency, adverse resistance of fruit trees and fruit quality.

The invention relates to a preparation method of a flower plant hydroponics nutrient solution, especially to a preparation method of a hydroponics nutrient solution for bracketplant. The method comprises the following steps: adding biochemical humic acid and B-vitamins into deionized water, and carrying out constant temperature heating at 55 DEG C; adding raw materials into a solution obtained in the step I, stirring, carrying out constant temperature heating at 55 DEG C to dissolve all the raw materials to form a microelement chelating liquid; adding potassium dihydrogen phosphate, ammonium nitrate, potassium nitrate, calcium nitrate and magnesium sulfate into a solution obtained in the step II, stirring and carrying out constant temperature heating at 55 DEG C to fully dissolve the materials; adding polyhexamethylene guanidine into a solution obtained in the step III, carrying out constant temperature heating, wherein heating time from the step I to the step III is 90 min in total; acidizing a solution obtained in the step IV to pH 3.0-4.0 by using 95% of concentrated nitric acid, so as to obtain a finished product. The method is unique. By the method, activity of catalase and polyphenoloxidase in plants can be enhanced, physiological metabolism of plants can be stimulated, stress resistance of bracketplant can be raised, rooting of bracketplant can be promoted, and utilization rate of a fertilizer can be improved. The prepared hydroponics nutrient solution for bracketplant is pollution-free and is safe and reliable.

The invention discloses rural domestic sewage treatment rapid separation equipment and a treatment method, and relates to the technical field of sewage treatment. According to the rural domestic sewage treatment rapid separation equipment and the treatment method, the rural domestic sewage treatment rapid separation equipment comprises an outer box, the left end of the outer box is fixedly connected with a water inlet pipe, the right end surface of the outer box is fixedly connected with a water outlet pipe, the lower end of the right side of the front end of the outer box is fixedly connectedwith a blow-off pipe, the upper end surface of the outer box is fixedly connected with a main aeration pipe, and the left end of the water inlet pipe penetrates through the outer box and extends intothe outer box. According to the rural domestic sewage treatment rapid separation equipment and the treatment method, sewage enters a grille tank and then enters a regulating tank, the sewage is preliminarily filtered and precipitated, then the sewage enters an anaerobic tank, the sewage enters an aeration tank through the anaerobic tank, then the sewage is discharged into a precipitation tank, and finally clarified sewage is discharged, so that the sewage is rapidly separated, and the sewage treatment efficiency and quality are improved.

The invention relates to a full-automatic water supply and discharge system used for animal breeding. The full-automatic water supply and discharge system comprises a farm used for animal breeding. A water storage tower is arranged at the center of the farm. A water supply system and a water discharge system which are externally connected are arranged in the water storage tower. A water outlet communicated with a water distribution pipe of the farm and provided with an automatic water drainage control switch device is formed in the lower portion of the water storage tower. A water inlet directly or indirectly communicated with the inner portion of a water supply position is formed in the side wall of the upper portion of the water storage tower. An automatic control switch is connected to the water inlet. The full-automatic water supply and discharge system has the advantages of being simple in structure, convenient to use, and capable of effectively reducing the production cost, rapidly and effectively regulating the water volume of the farm, being controlled in a full automatic mode without manual work, achieving automatic water supply and drainage, keeping the environment clean and tidy, and conveniently and better achieving animal breeding.

The invention discloses a suspension type photovoltaic module cleaning device, and relates to the technical field of cleaning equipment. A water spraying pipe is fixedly connected to the lower end of the rubber hose, a quantity control outer cylinder is fixedly connected to the inner wall of the lower end of the water spraying pipe, a water through hole is formed in the side wall of the quantity control outer cylinder, a quantity control inner cylinder is arranged in the quantity control outer cylinder, a water outlet hole is formed in the side wall of the quantity control inner cylinder, and the lower end of the quantity control inner cylinder penetrates through the inner wall of the lower side of the water spraying pipe; a cleaning opening is formed in the lower end of the quantity control inner barrel, an adjusting worm wheel is fixedly connected to the outer wall of the adjusting outer barrel, and an adjusting worm is arranged above the adjusting worm wheel. The adjusting worm gear and the adjusting worm interact to drive the adjusting outer cylinder to rotate and further drive the quantity control inner cylinder to rotate, and the quantity of water passing through the position between the water outlet hole and the water through hole is changed by changing the position between the water outlet hole in the quantity control inner cylinder and the water through hole in the adjusting outer cylinder, so that the quantity of water is adjusted.

The invention discloses a water quantity adjustable type water falling device. The water quantity adjustable type water falling device comprises a water leaking disk, a speed regulating disk, a hose,a water guide pipe, a main pipeline, a sealing sleeve, a spring sleeve, a third sleeve, a second sleeve and a first sleeve; the speed regulating disk is mounted in a groove in the water leaking disk;the water leaking disk is communicated with the water guide pipe through the hose; the tail end of the water guide pipe is communicated with the main pipeline; the spring sleeve is mounted at the bottom of the sealing sleeve; the third sleeve, the second sleeve and the first sleeve are connected to and mounted at the top end of the spring sleeve from bottom to top in a sleeving manner. The devicedesign is suitable for mounting of kitchen sinks, the water leaking disk can realize that water can flow out, a leaking net is arranged in the water leaking disk, impurities can be filtered, blockingsheet design of the speed regulating disk can block the water quantity of a water outlet of the water leaking disk, and the flowing speed can be adjusted; when water exists in the basin, the self weight of water presses down the water leaking disk, the journey of the three sleeves is shortened, the water leaking disk falls off, the water speed is increased; when the water quantity is reduced, thejourney of the three sleeves is lengthened, the water falling device is blocked.

The invention relates to a water cooling device, and provides an anti-oxidation water cooling device for high-temperature easily oxidized powder, which includes a powder dispersing conveying device and a cooling tower body; the powder dispersing conveying device includes a feeding pipe and a dispersing conveying pipe and the nozzle; one end of the dispersing conveying pipe is connected with the cooling tower body, and the other end of the dispersing conveying pipe is provided with a nozzle; the dispersing conveying pipe is connected with the feeding pipe to form a three-way structure. Also provided are a magnetization roasting system including the anti-oxidation water cooling device for the high-temperature easily oxidizable powder, and an anti-oxidation water-cooling method for the high-temperature easily oxidizable powder. The invention realizes the water quenching cooling of high-temperature easily oxidizable powder, solves the problem of a large amount of water vapor gathering during water quenching, and realizes the transportation of the mixed flow of water and powder. The device has low manufacturing and operating costs and a large processing capacity. Conducive to large-scale production.

A water saving valve is fitted to a hose or a water pipe and mixes air bubbles with water. Water receiving flask part 18 receives tap water from a water pipe 12. Tapered hole part 20 has a flow path whose cross-sectional area is gradually reduced from the upstream side toward the downstream side. Conduit part 32 has a large diameter section 56 and a small diameter section 57. The large diameter section 56 is linked to the tapered hole part 20. The conduit part 32 has a flow path 38 at an axial part thereof whose cross-sectional area is substantially uniform. The large diameter section 56 has an air suction port 30 running through from the flow path 38 of the axial section to the outer peripheral surface. A check valve 64 is inserted into the air suction port 30. Sleeve 50 is rigidly secured to the conduit part 32 by a support body 44 arranged at part of axial hole 90. The sleeve 50 has an eaves-like section 46. The eaves-like section 46 surrounds the outer peripheral surface of the large diameter section 56 with a gap 48 interposed between them. The sleeve 50 surrounds the periphery of the other end of the conduit part 32 with a space interposed between them. Air is sucked in from the gap 48 through the air suction port 30 so that water does not leak if hydraulic pressure is applied in the opposite direction.

The invention discloses a penetration-type wire mesh dust-collection pole. The penetration-type wire mesh dust-collection pole comprises dust-collection anode plates, a dust-collection framework and a water distribution device. The dust-collection anode plates are fixed to the dust-collection framework. The dust-collection anode plates are wire mesh plates and are fixed to the outer side of at least plane of the dust-collection framework. Metal plates are arranged on other sides of the dust-collection framework. The dust-collection anode plates and the metal plates are connected and surround the dust-collection framework to form a tank. The water distribution device is arranged in the tank and is used for feeding water into the tank. The invention also discloses a wet-type electric deduster with the wire mesh plates. The wire mesh plates are used as the dust-collection anode plates so that the problem that an electrode plate of the existing wet-type electric deduster forms all-area uniform water film difficultly and local dry spots and severe local back corona are formed is solved; dust accumulated on an electrode plate is fully and ideally removed; equipment is simple; and reconstruction and construction costs are low.

The invention discloses a combined river channel gate and a water control method thereof. The combined gate includes water retaining walls arranged on both sides of the river channel, and the river channel water retaining wall is a reinforced concrete wall. The invention cleverly arranges a herringbone gate mechanism, wherein The two gate plates are arranged in a herringbone shape, and the adjacent side ends of the two gate plates are provided with abutting mother plates and abutting sub-plates, which form a herringbone vertex and face upstream of the river; Under the action of the pressure, the structure self-locking is realized, which greatly improves the safety of the gate. In addition, the abutment mother board and the abutment sub-board forming the herringbone vertex are in contact with each other, and an elastic stop is arranged between the abutment mother board and the abutment sub-board. The water rubber pad improves the sealing performance of the gate, and at the same time, the elastic water-stop rubber pad plays a buffer role in the collision process between the abutting motherboard and the abutting sub-board; meanwhile, the vertical multi-row arrangement of the herringbone gate mechanism facilitates the control of water discharge according to needs Or store water, can form waterfall landscape after opening in addition or water store overflows when overflowing.