89results about How to "Does not affect water quality" patented technology

The invention belongs to the technical field of feeds and particularly relates to a feed for crabs. The feed for crabs is characterized by comprising the following materials in parts by weight: 30-60 parts of pork skin, 20-50 parts of fat pork, 5-15 parts of lean pork, 6-9 parts of corn meal, 3-5 parts of soybean meal, 1-5 parts of edible oil, 0.1-1 part of garlic cloves, 1-2 parts of fish scale powder and 0.5-1.5 parts of rape seed cakes. The main problems that since the feed for crabs is difficult to absorb, the crabs grow slowly and the water quality is contaminated in the prior art are solved; the feed disclosed by the invention has the beneficial effects of being rich in nutrition and aromatic in smell, containing antiviral components, and enabling the crabs to grow fast after the feed is eaten; the feed is simple to prepare and all the materials of the feed are rich in supply.

The invention provides a method and system for treating high-fluorine high-hardness wastewater by a two-stage two-phase fluidized bed through self crystallization. The system comprises two self crystallization fluidized bed reactors (which are respectively recorded as a first-stage reactor and a second-stage reactor), a chemical A adding device, a chemical B adding device, a first-stage material pool and a second-stage material pool, wherein a raw water pool is connected with a water inlet opening of the first-stage reactor through a water inlet pump via a water inlet pipeline; the chemical A adding device is connected with a chemical adding opening of the first-stage reactor through a chemical A adding pipeline; a slag discharging opening of the first-stage reactor is connected with the first-stage material pool through a first-stage reactor mud discharging pipe; a water outlet of the first-stage reactor is connected with a water inlet opening of the second-stage reactor through a first-stage water outlet pipeline; the chemical B adding device is connected with a chemical adding opening of the second-stage reactor through a chemical B adding pipeline; a sludge discharging opening of the second-stage reactor is connected with the second-stage material pool through a second-stage reactor sludge discharging pipe; a water outlet opening of the second-stage reactor is connected with a recovery device through a second-stage water outlet pipeline.

The invention relates to a surface active amine corrosion inhibitor for boiler shutdown protection in a heat-engine plant. Each litre of the surface active amine corrosion inhibitor contains 1-5mg of hydrazine, 100-500mu g of ethanolamine, 10-100mu g of hexamethylene tetramine, 1-10mg of N-(2-amino ethyl) morpholine, 20-200mu g of pyrazine and 50-500mu g of piperazine; ammonia water is used to regulate the pH value to 9.3-9.7; and the solvent of the surface active amine corrosion inhibitor is desalted water or deionized water. Compared with the prior art, the surface active amine corrosion inhibitor prepared according to the invention has good protection effect on a boiler and steam turbine high / low-temperature equipment during the shutdown period, and the negative effects that a samplingtube is blocked, resin precision processing performance can not be influenced, starting and flushing time is long, the corrosion inhibitor deposits on the surface of the low-temperature equipment fora long term and is slowly released and the like are not generated.

The invention discloses a biologic emulsifier for aquatic animal feed. The biologic emulsifier is characterized by being prepared by two or more than two of sophorolipid, rhamnolipid and trehalose. The sophorolipid, the rhamnolipid and the trehalose and the like in the emulsifier are all secondary metabolites generated by microbial fermentation, can be naturally metabolized and degraded, do not cause residues in aquatic products, and do not influence water quality. The biologic emulsifier can remarkably improve feed fat digestion utilizing rate of fishes, shrimps and crabs and the like, reduces bait coefficient, remarkably improves production performances of aquatic animals, improves body immune function, reduces morbidity and mortality of the animals, and remarkably improves economic returns.

The invention relates to the technical field of water purifiers, in particular to a wastewater-free water purifier. The water purifier includes a pre-filter, a water inflow electromagnetic valve, a water pump, a filter core mechanism and an RO membrane filter core that are connected in order through a pipeline, and also includes a current limiting and circulating electromagnetic valve, a one-way valve, a high voltage switch, a water storage bucket and a post-filter. The pre-filter is connected to a raw water pipeline, the pure water outlet of the RO membrane filter core is connected to a pure water outlet pipe, the outlet end of the pure water outlet pipe is connected to a pure water pipe, and the pure water pipe is equipped with the one-way valve and the post-filter in order along the water flow direction. The concentrated water outlet of the RO membrane filter core is connected to a concentrated water outlet pipe, the outlet end of the concentrated water outlet pipe is respectively connected to a concentrated water return pipe and a domestic water pipeline, the concentrated water return pipe is equipped with the current limiting and circulating electromagnetic valve, and the water outlet end of the concentrated water return pipe is connected to the water inlet end of the water pump. The water purifier can realize unnecessary discharge of concentrated water during pure water making and achieves the function of no wastewater discharge, and during use of domestic water, the concentrated water is used reasonably.

The invention belongs to the technical field of garbage wastewater treatment, and particularly relates to a landfill leachate treatment process on PMVR-ZLD. The process comprises the following steps of: stock solution collection, pretreatment, preheating, evaporation separation, advanced treatment, solidification and the like. According to the invention, a coagulating sedimentation system is adopted in pretreatment, so that the problem of unstable operation of the device caused by blockage is effectively solved; an MVR forced circulation evaporation separation system is adopted to perform wastewater evaporation on a leachate, so that the problems of heat transfer coefficient reduction, energy consumption increase, evaporator blockage and shutdown are avoided; the advanced treatment systemis used for treating evaporated effluent, so that the cost is greatly reduced; by adopting a landfill leachate zero-emission treatment system, the leachate is subjected to evaporation separation, generated crystals are solidified into bricks and then subjected to landfill treatment, the quality of inflow water is not affected, and the landfill leachate zero-emission treatment system has more advantages compared with a concentration recharge mode adopted for leachate wastewater treatment at present.

The invention discloses a test water tank and a test method thereof. The test water tank comprises a water inlet tank, a water tank with a turning section, a water outlet tank, a water storage tank, a water pump and tracer balls. The water inlet tank is provided with a water inlet and a first rectangular thin-wall weir. The water outlet tank is provided with a water outlet and a second rectangular thin-wall weir. The water inlet tank, the water tank with a turning section and the water outlet tank are connected in sequence. The water storage tank is connected with the water inlet and the water outlet through connecting pipes. The water pump is disposed on the connecting pipe between the water inlet tank and the water storage tank. The test want tank is simple in structure and low in cost, and has many functions. The water inlet and outlet flow in the water tank is controlled accurately in water level measuring and vertical line average flow velocity measuring tests, thus guaranteeing that a test condition is constant flow. Flow can be obtained through a formula as long as water heads on thin-wall weirs are measured. Water flow trajectories are displayed through the tracer balls to describe water current movement regulations in the turning section, and phenomena are clear. The tracer balls will not affect water quality, recovered by a perforated baffle plate, and can be recycled.

The invention discloses a method for extracting 10-deacetylbaccatin III from taxus chinensis. The method comprises the following steps: soaking and extracting 10-deacetylbaccatin III in taxus chinensis by adopting an aqueous solution containing a stability maintainer; and extracting, performing discoloring and flocculating treatment, recrystallizing and the like, thereby obtaining the high-purity10-deacetylbaccatin III. The method disclosed by the invention is clean, low in cost, non-harsh in extraction conditions, less in by-products, less in pigments and high in extraction rate, and is applicable to industrialized production and market popularization and application.

The invention provides application of bracteose eucalyptus essential oil and a complex bacterial agent thereof in preparing an insect repellent for marine fishes. The bracteose eucalyptus essential oil complex bacterial agent comprises the bracteose eucalyptus essential oil and streptomyces griseus HL-50 of which the bacterial content is not smaller than 5*10<8> CFU / g, wherein the preservation number of the streptomyces griseus HL-50 is CGMCC No.18424, and the primary effective constituent of the bracteose eucalyptus essential oil is 1,8-eucalyptol. The bracteose eucalyptus essential oil complex bacterial agent is easy to prepare and use, and the effects of effectively expelling various parasites which infect the marine fishes and inhibiting bacteria can be achieved simply by uniformly mixing the bracteose eucalyptus essential oil complex bacterial agent in edible feed for the marine fishes according to the use amount of 0.5-1.5 kg per ton of the feed and continuously feeding the fishes with the feed for 4-7 days; moreover, the complex bacterial agent is poisonless, harmless, and suitable for being used by the marine fishes for a long term, reduces the breeding cost, and has a wideapplication prospect.

The invention relates to the technical field of water purifiers and particularly relates to a water purifier without wastewater. The water purifier without wastewater comprises a pre-filter, a water inlet solenoid valve, a booster pump, a filter core mechanism and an RO film which are in turn connected through a pipe, wherein the pre-filter is connected with a raw water pipeline, a thick water outlet of the RO film is connected with a thick water outlet tube, a circulating pump is arranged on the thick water outlet tube, the outlet end of the thick water outlet tube is respectively connected with a thick water return tube and a domestic water pipeline, the outlet end of the thick water return tube is connected with the outlet end of the booster pump, and a check valve is arranged on the thick water return tube; a normally closed solenoid valve is arranged on the strong discharge protective pipeline; a bypass pipeline is arranged between the raw water pipeline and the domestic water pipeline; a water switch and a check valve are arranged on the bypass pipeline; and the water switch, a normally opened solenoid valve, the normally closed solenoid valve, the booster pump and the circulating pump are respectively electrically connected with an electric control device. By using the water purifier, the thick water cannot be discharged in the pure water production process so that the zero wastewater discharge function can be reached; and the thick water can be reasonably used when the domestic water is used.

The invention discloses a method for improving the streptococcus iniae infection resisting capability of GIFT tilapia in high-density culture. The method comprises the steps of preparing of compound Chinese herbal medicine, adding, feeding and breeding management. Compared with the prior art, the method has the following advantages: (1) the immunological protection of the GIFT tilapia in high-density culture can be effectively improved, and the survival rate of GIFT tilapia infected with streptococcus iniae is improved; (2) the compound Chinese herbal medicine added in a feed belongs to environment-friendly feed additives, and has less negative effect on fish and water; (3) the blood and head-kidney immunological stress response can be effectively enhanced, and the liver stress injury is reduced; (4) the adopted technological steps of the method are simple, the Chinese herbal medicine is low, and easy to obtain and preserve, and can be well absorbed and utilized by a fish body, and excrement of the GIFT tilapia does not impact the water quality.

The invention relates to the technical field of fishery breeding equipment, in particular to an oxygen increasing device. The oxygen increasing device comprises an electrolysis device, a water supply device and a power supply device. The electrolysis device comprises a bin body. A plurality of first electrode plates and a plurality of second electrode plates are arranged in an inner cavity of the bin body and are arranged in a staggered mode at intervals. The first electrode plates are connected in parallel. The second electrode plates are connected in parallel. The water supply device comprises a water pump. The water outlet end of the water pump is communicated with the inner cavity of the bin body. The first electrode plates, the second electrode plates and the water pump are all electrically connected with the power supply device. Oxygen is prepared in fishpond water in a water electrolysis mode, and therefore the oxygen content in the pond water is increased, in the oxygen preparation process, oxygen is automatically and fully dissolved in water, the content of oxygen in the water is increased, influences caused by weather and air pressure are avoided, the oxygen preparing efficiency is high, oxygen can be fast prepared, energy conservation and environment protection are achieved, meanwhile water quality is no affected, and the survival environment of a fish school is guaranteed.

The invention belongs to the technical field of water chemistry of reactor engineering and discloses a method for online measuring zinc content of a coolant in a primary circuit of a pressurized water reactor. The method comprises the following steps: measuring absorbencies of zinc of the coolant before and after adding a color developing agent and a buffer agent by using a spectrophotometric method, thus obtaining a work curve of a difference value between the two absorbencies and zinc concentration, and further obtaining the zinc content of the coolant. The method has the advantages that zinc in the coolant of the primary circuit of the pressurized water reactor can be online measured and the measuring accuracy is high.

The invention discloses a natural cooling air-conditioner system of an enclosed heat passage for a data center in a dried place. The natural cooling air-conditioner system comprises a ceiling layer, wherein the ceiling layer is arranged in a room, an evaporation cooling unit part and a data center part are arranged at a lower part of the ceiling layer, a plurality of server cabinets are arranged in the data center in parallel, and the evaporation cooling unit communicates with the data center. In the natural cooling air-conditioner system, at a place with rich underground water and surface water resource, abundant dried air energy contained in summer air and abundant cold quantity contained in winter air, a water-side indirect natural cooling technology, a wind-air evaporation cooling technology and a new air indirect natural cooling technology are combined, so that the natural resource is reasonably utilized, the data center can be naturally cooled by 100%, and the energy consumptionis greatly reduced on the premise that reliable running of the data center air-conditioner system is ensured.

The invention discloses a coagulant for treating fine-grain high-viscosity soil coal slime water, and the coagulant is prepared by evenly mixing more than two of barite powder, calcite powder, dolomite powder and medical stone powder. The coagulant is a mineral preparation, and when the coagulant is used, the coagulant can be discharged along with coal slime in usage, cannot be accumulated in water and cannot influence the water quality; the coagulant can change the electrical property of the surfaces of coal slime particles, so that high-viscosity soil mineral and the coal slime particles are easily flocculated and precipitated, the filter pressing speed of the coal slime is increased, and the cleaned coal quality and yield are improved. The coagulant can be matched with an appropriate amount of flocculating agents, the effect is good when the coagulant is used for treating the coal slime water which is complex in components and difficult to precipitate, the coagulation effect is obvious especially for the high-viscosity fine-grain soil coal slime water, and actual production requirements can be completely met; the water content of treated coal slime filter cakes is decreased below 25 percent, and the content of suspended matter in thickener overflow water is smaller than 150 mg / L.

The invention discloses an automatic cleaning device for an industrial water tank. The automatic cleaning device comprises a water draining ditch, a chemical adding tank, electric valves and the industrial water tank. Supporting plates are arranged over the water draining ditch, a first water inlet is fixed to the right side of the water draining ditch, and a second water inlet is formed in the right side of the chemical adding tank, and connected with a water delivering pump through a cleaning control valve; the electric valves are located on a water inlet pipe, and cleaning spraying heads and a water level sensor are connected in the industrial water tank. According to the automatic cleaning device for the industrial water tank, the direction of the water inlets is controlled to carry out the cleaning function, cleaning is carried out with the chemical agent adding method, a chemical reaction is carried out, the cleaning effect is good, dirt can be effectively and fully removed, and hazardous substances are not generated; as the cleaning spraying heads are arranged at the inner wall of the upper end of the water tank at equal intervals, all-around cleaning is carried out; as a cleaning pipe is independently arranged, chemical pollution cannot be brought to the water inlet pipe, and the water quality is not influenced during water feeding.

The invention belongs to the technical field of epoxy drinking water tank paint, and relates to low-viscosity thick-coating solvent-free epoxy drinking water tank paint and a preparation method and aconstruction method of the low-viscosity thick-coating solvent-free epoxy drinking water tank paint. According to the paint, liquid epoxy resin, an active diluent, a pigment filler, an auxiliary agentand a phenolic aldehyde amine curing agent are used as components. The liquid epoxy resin is bisphenol A liquid epoxy resin or / and bisphenol F type liquid epoxy resin, the reactive diluent is a monofunctional reactive diluent, and by optimizing the components, the finally prepared thick-coating solvent-free epoxy drinking water tank paint does not need to be diluted by additionally adding a diluent during construction, and the thickness of a dry film coated at one time is greater than or equal to 300 microns. After construction, the coating can be quickly dried at a low temperature, sagging caused by long-time non-drying is avoided, the thick coating can be promoted to have excellent adhesive force, chemical corrosion resistance, salt spray resistance and the like, the requirements of drinking water hygienic indexes and toxicological indexes can be met while the service life is prolonged, and the coating has positive significance.

The invention discloses a start and control method for partial nitrosation, belongs to the field of sewage treatment and solves the problems that start is not easy, the nitrite accumulation effect isunstable and the like in the conventional nitrosation process. The method comprises the steps as follows: nitration start, intermittent aeration start, nitrite accumulation rate control, ammonia oxidation rate control, stable operation control of nitrosation and the like. The final ammonia nitrogen oxidation rate is stabilized at 55%-60%, nitrite accumulation rate is stabilized to be higher than or equal to 92%, the ammonia nitrogen removal surface load is higher than or equal to 0.60 gN / (m<2>.d), and requirements of subsequent anaerobic ammonia oxidation for nitrogen are met. The partial nitrosation effect is stable, the ammonia nitrogen oxidation load is high, the occupied area is saved, operation is simple, and running is reliable; compared with the traditional process, the method can realize selection and elimination of microorganisms and prevent long-term operation instability; the oxygen utilization rate is high, and aeration fluidization energy consumption is low.

The invention discloses an in-situ river bottom mud heavy metal treatment method. The method comprises the following steps: preparing rectangular bricks, columns or particles from a nanometer porous ceramic composite material, then planting or fixing the rectangular bricks, columns or particles into the river bottom mud according to a certain arrangement, so as to carry out adsorption treatment on the heavy metal ions in the river bottom mud. The method can effectively remove heavy metal pollution from the river bottom mud, further recover the heavy metal ions without causing damage to the original ecosystem of the river, affecting the stability of the riverbed, safety of riverbanks on both sides and safety of water taking and using at the downstream of the river; the method is safe, low in cost, simple and convenient to operate, and suitable for popularization and application.

The invention discloses a phase change material and plate type heat exchanger combined phase change energy storage tank. Heat is absorbed by the phase change of a phase change energy storage material, and is stored in the phase change energy storage material, so that the energy storage tank forms a heat-preservation tank for ensuring the heat utilization of a user at any time. The energy storage tank comprises a tank body, plate type heat exchangers and electric auxiliary heaters, wherein a solid-liquid phase change energy storage material is filled in the tank body; the plate type heat exchangers and the electric auxiliary heaters are arranged in the solid-liquid phase change energy storage material in the tank body; a maintenance hole is formed in the tank body; a heat-preservation layer is arranged outside the tank body. According to the energy storage tank, heat can be absorbed by the heat exchange of the energy storage material, and is stored in the phase change energy storage material, so that the energy storage tank forms the heat-preservation tank for ensuring the heat utilization of the user at any time; the continuous and constant temperature running of a heating system can be ensured, and heating quality is ensured; on the basis of providing the same heat, the size of the tank body can be reduced.

The present invention discloses a feed formula with high fat and high protein for fast fattening sea crabs, and belongs to the field of aquaculture technology. The feed formula is prepared by the following active ingredients of raw materials in parts by weight: pork skin 30-60 parts, fat pork 20-50 parts, lean pork 5-15 parts, corn powder 6-9 parts, soybean meal powder 3-5parts, edible oil 1-5 parts, garlic 0.1-1 parts, pearl white 1-2 parts, and rapeseed cake 0.5-1.5 parts. The feed formula mainly solves the problem that crab aquaculture feed in the prior art can not be absorbed easily by the crabs, along with a slow crab growth rate and water pollution. The feed has rich nutrition, fragrant smell and antiviral ingredients, and a faster crab growth rate can be realized after eating the feed. Also, the feed is simple in production and rich in raw material supply.

The invention discloses a startup and control method for multistage partial nitrification and belongs to the field of sewage treatment. According to the startup and control method, the problems of lowpossibility of starting, an unstable accumulation effect of nitrite and the like in a traditional nitrification process are solved. The method disclosed by the invention comprises the steps of nitrification startup, intermittent aeration startup, regulation of nitrite accumulation rate, regulation of ammonia oxidation rate, stable operation control over nitrite and the like; finally, the ammonianitrogen oxidation rate is stabilized at 55 to 60 percent, the nitrite accumulation rate is stabilized to be greater than or equal to 92 percent, the ammonia nitrogen removal surface load is greater than or equal to 0.60gN / (m2.d), and the requirements of subsequent anaerobic ammonia oxidation on nitrogen element are met. The startup and control method disclosed by the invention has the advantagesof stable partial nitrification effect, high load of ammonia nitrogen oxidation, reduced occupied area, simple operation and reliable operation; compared with a traditional process, the startup and control method has the characteristics that selection and elimination of microorganisms can be realized and the long-term operating instability is prevented; the utilization rate of oxygen is high and energy consumption of aeration fluidization is low.

The invention relates to a device and a method for post treatment of slag mud. The device for the post treatment of the slag mud is arranged at an output rear end of a sand washing machine screening slag with a size of less than 8mm; the output rear end of the sand washing machine is connected with water level difference-controlling equipment and a strong pump and provided with a mud-water separator connected with the output end of the strong pump through a pipeline, a water tank connected with the mud-water separator through a pipeline and a drying bed; and the mud-water separator is inside provided with a partition wall that divides the inside of the mud-water separator into a front part and a rear part. The method for processing the slag mud rear section comprises the following steps of: transportation operation, mud and water separation operation and water storage continuous operation. The device and the method can achieve the effect of completely recycling slag mud.

The invention discloses a membrane-softening treatment system and method used for supplement water for circulating water of a reclaimed water source. The system comprises a raw water tank, an ultrafiltration device, an intermediate water tank, a nanofiltration device, a clear water tank, a circulating cooling tower, a desulphurization absorbing tower and a scale inhibitor adding system, wherein a water outlet of the raw water tank is communicated with a water inlet of the ultrafiltration device, a water outlet of the ultrafiltration device is connected with a water inlet of the intermediate water tank, a water outlet of the intermediate water tank is merged with a water outlet of the scale inhibitor adding system through a pipeline, then the merged water outlet is communicated with a water inlet of the nanofiltration device, a produced water outlet of the nanofiltration device is communicated with a water inlet of the clear water tank, a water outlet of the clear water tank is communicated with a water inlet of the circulating cooling tower, and a sewage discharge outlet of the circulating cooling tower and a concentrated water of the nanofiltration device are both communicated with a water inlet of the desulphurization absorbing tower. The membrane-softening treatment system and method provided by the invention can effectively improve the concentration ratio of the circulating water and has the advantages of low cost, a small occupied area and good effluent quality.

The invention relates to an aluminum alloy sacrificial anode used for a water storage type water heater. Aluminum serves as raw materials. The aluminum alloy sacrificial anode used for the water storage type water heater is prepared from, by weight, 0.5-2.8% of a zinc element and 0.1-0.5% of a tin element. Further, a bismuth element and / or a gallium element are / is added, and preferentially, the weight percent of bismuth is 0.1-0.3%, and the weight percent of gallium is 0.05-0.25%. The multi-element aluminum alloy sacrificial anode solves the problems that in the using process of a current magnesium alloy sacrificial anode material, the actual capacitance is low, the service life is short, water is polluted, and an aluminum alloy sacrificial anode is poor in universality, not stable in performance and the like.

The invention provides a double-circulation heating system for a low-low temperature economizer, and belongs to the technical field of energy saving. The double-circulation heating system for the low-low temperature economizer comprises an intake furnace air heating system and is characterized in that the double-circulation heating system further comprises a condensed water heating system, the intake furnace air heating system and the condensed water heating system are connected to the low-low temperature economizer through a booster pump and a water quantity regulation valve. According to the double-circulation heating system for the low-low temperature economizer, the air supply temperature of a boiler is increased and the condensed water system is heated while the smoke temperature at an electric precipitation inlet can be decreased, and the purposes of safety, stability and multi-application of waste heat are achieved.

The invention discloses a light-proof packaging method for drinking water and a light-proof outer packing for drinking water. Reflective material is applied on the outer surface of a drinking water packaging container, or the drinking water packaging container is wrapped or covered with a light shield with a light-proof effect, so that drinking water filled in the drinking water packaging container is free from influence of light rays, so as to ensure the contents of trace elements and mineral matters in the drinking water, ensure the nutrition and health of drinking water and prolong the quality guarantee period of drinking water. According to the invention, the breeding speed of microbe in the drinking water can be lowered, the quality guarantee period can be prolonged, and the product is damp-proof, beautiful, convenient to use, simple to manufacture and low in manufacturing cost, can be popularized and applied to wine, drinks, dairy products, medicine and other articles which need to be stored in a lucifugal or light-proof manner, and has a wide application range.

The invention relates to abalone feed. The abalone feed is prepared from, by weight, 40-60 parts of beef, 20-30 parts of scallop muscle, 15-25 parts of fish meal, 15-25 parts of bean pulp, 10-20 parts of seaweed meal, 3-9 parts of chicken powder, 2-6 parts of earthworm powder, 2-4 parts of locust powder, 1-2 parts of ant powder, 1-2 parts of feather meal and a proper amount of water. The feed can improve the physique of abalones, enhance disease resistance and increase the survival rate, and can be widely used for feeding the abalones.

A parking building for electrically adjusting parking spaces above an urban watercourse comprises a parking building body (1), lifting elevators (5), a chain belt (9), a wheel position moving frames (11) and a lifting elevator springboard (7). Column feet of the parking building body (1) are piled and built on two sides of the watercourse, the column feet of the parking building body (1) and transverse beams and longitudinal beams of parking layers (13) are mead of cast-in-place cement reinforced concrete, all of storey planes of except grooves of the wheel position moving frames (11) of parking spaces are formed by paving cast-in-place cement reinforced concrete, circumferential handrails of the parking layers (13) are made of cast-in-place cement reinforced concrete, two sides of the parking building body (1) are provided with the lifting elevators (5), chassis installing frames of the lifting elevators (5) are provided with two rows of wheel position driving shafts (7) and driven shafts (19), the driving shafts (7) and the driven shafts (19) are provided with chain wheels and steel chain belts (9) which are driven by electric motors (8), the parking layers (13) are provided with the wheel position moving frames (11), and going-in and going-out operation of vehicles is controlled by a remote control switch through electric motors (14). The parking building is mainly designed for protecting a river water source.

The invention relates to a surface active amine corrosion inhibitor for boiler shutdown protection in a heat-engine plant. Each litre of the surface active amine corrosion inhibitor contains 1-5mg of hydrazine, 100-500mu g of ethanolamine, 10-100mu g of hexamethylene tetramine, 1-10mg of N-(2-amino ethyl) morpholine, 20-200mu g of pyrazine and 50-500mu g of piperazine; ammonia water is used to regulate the pH value to 9.3-9.7; and the solvent of the surface active amine corrosion inhibitor is desalted water or deionized water. Compared with the prior art, the surface active amine corrosion inhibitor prepared according to the invention has good protection effect on a boiler and steam turbine high / low-temperature equipment during the shutdown period, and the negative effects that a samplingtube is blocked, resin precision processing performance can not be influenced, starting and flushing time is long, the corrosion inhibitor deposits on the surface of the low-temperature equipment fora long term and is slowly released and the like are not generated.