49results about How to "Won't cause stagnant water" patented technology

The invention discloses a liquid-phase CO2 phase change cracking permeability-increasing grid type gas extraction method for a low-permeable coal seam. The method comprises the following steps that (1) a bottom board passage is constructed; (2) crossing drilling construction is carried out in the bottom board passage; (3) liquid CO2 phase change cracking is carried out; (4) gas of coal seams of a coal roadway strip and a recovery area is pre-drained with crossing drill holes; (5) the extraction effect of the coal roadway strip area is detected; (6) coal roadway construction is carried out; (7) hole drilling down the seam is carried out; (8) gas of the coal seam in the recovery area is pre-drained with grid type drill holes; and (9) the extraction effect of the recovery area is detected. The method can improve the quantity of drainage of gas of underground coal mine, achieve the purpose of rapidly eliminating danger of outburst for high-gas low-permeable outburst coal seams, prevent coal and gas outburst accidents and guarantee safety production of the underground coal mine.

A low-carbon energy-saving method for reducing the temperature of a livestock shed in summer belongs to the technical field of livestock shed cooling in summer. The livestock shed adopts a greenhouse structure made of galvanized steel pipes and having a width of larger than 8m and a height of larger than 4m, is covered by a plastic light transmission film with water proof and heat insulating properties, and is covered by a sunshade net for shading strong sunlight on the roof and gable wall surfaces at a height larger than 1.5m from the ground. The invention adopts the building technique of the greenhouse made of galvanized steel pipes, and the livestock shed roof is covered by the plastic light transmission film and sunshade net material; ventilation openings being able to open and close are arranged on northern and southern walls of the livestock shed, and a ventilation skylight being able to open and close is arranged on the top of the livestock shed southwards and is opened or closed by drawing a longitudinal scroll; blower fans are arranged on eastern and western gables of the livestock shed for supplementing ventilation; and a medium-pressure atomization spray cooling system is arranged above a livestock barn in the livestock shed, and drops the temperature by spraying when the temperature inside the livestock shed is higher than 34 DEG C. The invention has good cooling effect and high speed, greatly lowers construction and maintenance cost of livestock sheds and cooling facilities compared with the prior art, and at the same time has remarkable energy saving and water saving effects.

The invention discloses a shower room base mould capable of being tiled with ceramic tiles. The base mould comprises a base body and water retaining edges, wherein water retaining edges are located on the periphery of the base body, a drainage opening is arranged on the base body, water retaining edges are perpendicular to or almost perpendicular to the base body, and the base body and water retaining edges are made of resin matrix artificial stone composites. The base mould is made of artificial stones and is simple in structure and good in water resistance, tiling is convenient, and risks of water leakage are greatly reduced. The invention also discloses a manufacturing method of the shower room base mould. According to the method, the shower room base mould can be manufactured once, the problems that products are torn and difficult to demold due to material shrinkage in the curing process of artificial stone composites are solved, the operation is easy, and the success rate of products can reach 100%.

The invention discloses a water-permeable reclaimed asphalt mixture paving brick and a preparation method thereof. The invention is characterized in that the paving brick is prepared from the following components in parts by weight: 80-100 parts of reclaimed asphalt mixture, 0-20 parts of new aggregate, 2-5 parts of water, 1-6 parts of cement, 2-6 parts of emulsified asphalt, 0-3 parts of ore powder and 1-5 parts of polyvinyl acetate emulsion, wherein the reclaimed asphalt mixture and the new aggregate are of a single size grade of 2.5-10 mm, and the sum of the weight parts of the reclaimed asphalt mixture and the weight parts of the new aggregate is 100. According to the invention, the resource utilization rate can be increased, the environmental pollution can be reduced, and the expense can be saved by several hundred million Yuan.

The invention provides an environment-friendly water permeable brick as well as a compression forming mould and a preparation method for preparing the environment-friendly water permeable brick. The water permeable brick is formed by a water permeable brick surface layer and a water permeable brick base layer, wherein materials of the surface layer mainly comprise sand with the particle size being 10 to 20 mesh and cement; materials of the base layer mainly comprise large gravel with the particle size being 3 to 8mm and cement. The method specifically the steps of adding the materials into two stirring machines respectively, adding other materials of corresponding formulas for evenly stirring, then compressing by a brick compression forming machine, distributing the base layer materials twice and the surface layer materials once in a lower mould hollow part of the compression forming mould, performing shaking compression for 2 to 3s after each time of material distribution, thus preparing a formed green brick, and then performing curing to form the water permeable brick. A dry-press forming process is adopted to prepare the water permeable brick, so that the production cost and the energy consumption are reduced; the prepared water permeable brick has good water permeability, abrasion performance, skid resistance and crushing resistance.

The invention provides a soilless cutting propagation method for Chinese roses, and belongs to the technical field of Chinese rose cultivation. The soilless cutting propagation method for the Chinese roses comprises the following steps of 1 seedling bed manufacturing, wherein an arched shred is built, a plurality of bed pools are made in the arched shred through partitioning of mud walls, crop straw is uniformly laid at the bottoms of the bed pools, fine sand is uniformly spread on the crop straw, the surface of the fine sand is leveled, and then seedling bed manufacturing is completed; 2 cutting, wherein cutting branches are disinfected with a potassium permanganate solution with the mass ratio of 1:(1,000-1,200) and then soaked in a carbendazim solution with the mass ratio of 1:(1,200-1,500) for 10-15 min, the cutting branches are taken out to be aired and then cut into seedling beds, the seedling beds are watered after cutting is finished, and the shred is sealed; 3 cultivating. According to the method, the cutting density is high, cutting is easy, the cutting survival rate is high, roots are not damaged during seedling lifting, the variety purity is high, and the transplanting survival rate is high.

The invention provides a roof gutter system capable of generating a slope, comprising a gutter, a gutter conversion frame, a gutter bracket, a gutter suspended ceiling plate and the like, wherein the gutter conversion frame and the gutter bracket are respectively connected with a roof purline, the gutter is connected with the gutter bracket, and a heat insulation layer is arranged between the gutter conversion frame and the gutter, thus the defect that the gutter system usually produce cold bridge in the prior art is overcome; besides, the gutter bracket is arranged at a certain slope along the length direction of the gutter, and the gutter correspondingly has a certain slope when placed on the gutter bracket, therefore the problems that the surface of the gutter always accumulates water and is difficult to maintain are thoroughly solved. In the invention, the gutter conversion frame and the gutter bracket substitute two heavy C-shaped steel gutter trimming beams in the prior art, thereby reducing steel, lowering weight of a roof, and decreasing the construction cost. The roof gutter system has a promotional value in the light colour steel plate building industry.

The invention provides a Chinese rose grafting cutting propagation method and belongs to the technical field of Chinese rose cultivation. The method includes following steps: after Chinese rose enters a dormant period, selecting a Chinese rose branch, cutting to obtain a scion, and disinfecting the scion; selecting rose, cutting 15-20cm of the rose as a stock, disinfecting the stock, and cutting off a stock bud; grafting a bud on the scion onto the stock with the stock bud removed by means of bud grafting, and binding firmly to obtain a stock ear; setting up an arched shed, making a bed pool in the arched shed, uniformly laying crop straw at the bottom of the bed pool, uniformly spreading fine sand on the upper portion of the crop straw, and flattening the surface of the fine sand; inserting the stock ear into a seedling bed, watering the seedling bed after cutting is finished, and closing the shed; controlling humidity inside the arched shed and humidity of the seedling bed, spraying bactericide after the stock ear sprouts, ventilating for hardening on early April of the next year, and outplanting. The method is easy in cuttage, free of damage to roots during seedling lifting and high in production efficiency.

The invention discloses a rapid permeable brick used for a parking lot, and a laying method, belonging to the technical field of construction. The rapid permeable brick comprises a permeable brick body, and a permeable through hole is arranged in the middle of the permeable brick body. The rapid permeable brick is characterized in that convex edges are arranged at the lower part of the surrounding of the permeable brick body; shallow grooves are arranged in the middle of the convex edges; and four corners of the edges of the permeable brick body are chamfers with 45 degrees. The laying method comprises the following steps: a water storage macadam substrate is laid, the permeable bricks are tiled on the surface of the water storage macadam substrate, groove-typed seams and permeable seams formed by the shallow grooves are formed at the edge joint part of the adjacent permeable bricks; cement mortar is infused in limber holes at nodes connected with the four corners of the permeable bricks; macadam or fine stone concrete is filled in the groove-typed seams; and macadam or pebbles are filled into the permeable through hole in the middle of the permeable bricks. The rapid permeable brick used for a parking lot is low in cost and convenient in the laying method, and a large amount of rainwater can penetrate underground.

The invention discloses a water pan of a medium-low temperature machine. The water pan comprises a water pan body; one side of the water pan body is upwards and obliquely provided with a condensing pan beneficial to air circulation; a plurality of air return holes are formed in the condensing pan; the bottom of the condensing pan is smoothly connected with a water collecting pan; one side of the water collecting pan is connected with a flow collecting tank; one end of the flow collecting tank downwards and obliquely extends and is connected with one side of the condensing pan; and a drain hole is formed in the bottom end of the flow collecting tank. According to the water pan of the medium-low temperature machine, disclosed by the invention, condensed water rapidly flows under the oblique guide action of the flow collecting tank and is discharged out of the water pan through the drain hole, so that no water accumulation can be caused, and the phenomenon of water blowing scale deposition is stopped; in addition, the condensed water is rapidly discharged, so that the heat exchange capability of a heat exchanger of the medium-low temperature machine can be improved, and the heat exchange efficiency can be increased.

The invention discloses a wick type trapper capable of automatically quantitatively supplying food attractants, comprising a barrel with a lid on the top; a hanging rope is arranged at the top of thelid; an opening-closing piston rod is arranged at the bottom of the barrel; a passage is formed outside the opening-closing piston rod; a connecting arm is arranged at the bottom of the barrel; a liquid cup is arranged at one end of the connecting arm, a spring is arranged at the bottom of the liquid cup, a mesh body is arranged at the bottom of the spring, and a collecting tray is arranged outside the mesh body; an inverted-U-shaped iron wire coated with cotton is arranged between the connecting arm and the liquid cup, a fixing ring is arranged at one end of the inverted-U-shaped iron wire coated with cotton, and a cylindrical stabilizer is arranged outside the liquid cup. According to the wick type trapper, a storage container and an insect feed point are separated so that influence on effect of the formula of the food attractant and feeding of pests, caused by the circumstance that pests directly feed on the liquid surface and then killed pests rot and accumulate on the liquid surface, is avoided; since a storage part and a direct supply part are separated, a volatilizing surface is reduced, and loss of the food attractant is reduced.

The invention discloses a grass planting pavement brick for environment-friendly construction and a laying method thereof, belongs to the technical field of landscaping grass planting pavement bricks,and particularly relates to a grass planting pavement brick for environment-friendly construction and a laying method thereof, the grass planting pavement brick comprises a hexagonal brick body and grass planting holes formed in the hexagonal side wall of the hexagonal brick body, the grass planting holes of the semicircular structure are formed in the outer side walls of the hexagonal brick bodies, the embedded convex bodies and the embedded grooves which are matched with one another are formed in the two sides of each grass planting hole, and when the multiple hexagonal brick bodies are laid and spliced, the firmness of connection between every two hexagonal brick bodies is effectively guaranteed through embedded connection of the embedded convex bodies and the embedded grooves; after every two hexagonal brick bodies are embedded and in butt joint, the two semicircular grass planting holes form a planting hole of a circular structure, rainwater is guided into the inner water storagecavity to be stored through cooperation of the outer water storage cavity and the flow channel which communicate with each other, and the rainwater in the inner water storage cavity is slowly guidedinto the grass planting holes through the permeation flow guide layer. Water is supplied to planted grass in the grass planting holes.

The invention discloses a bird nesting prevention device for a power transmission tower, which is mounted on the tower and comprises two steel plates. The two steel plates are connected by hinges; besides one edges connected by the hinges, each edge of the two steel plates is provided with round holes; the two steel plates are randomly unfolded in a range of 180 degrees; the two steel plates are fixed on the tower by connecting pieces; the connecting pieces pass through the round holes. The bird nesting prevention device disclosed by the invention is simple in structure, convenient to install, low in cost and long in service life, and can effectively make up the defect of poor bird driving effect when bird feces proofing splinters are positioned above phase insulator strings in a cat-head type tower and a cup type tower.

The invention relates to an earth shoulder blind ditch system for pavement edge centralized drainage. The defects such as water deposited on the pavement, sand barrier, snow barrier, inconvenience in sweeping, conflict with the guardrail position, small capacity, small longitudinal spacing of a draining tank, unsuitableness for small longitudinal slopes and zero longitudinal slope and poor anti-frost property exist in the pavement edge centralized drainage measures. According to the system disclosed by the invention, a cement concrete base is arranged on the roadbed top surface of the pavement edge along the longitudinal direction of the road; the cross section of the cement concrete base is U-shaped; a longitudinal groove is reserved in the groove bottom; a semi-transparent non-sand pipe is arranged at the groove bottom; a permeable pipe wall is arranged on the upper half part; an impermeable pipe wall is arranged on the lower half part; the upper part of the semi-transparent non-sand pipe is filled with graded broken stones to be surface of the roadbed slope. According to the system disclosed by the invention, the water on the pavement can be allowed to flow over to pavement and earth shoulder so as to permeate into the graded broken stone layer and further enters the semi-transparent non-sand pipe to flow along the longitudinal direction of the road so as to be discharged along with the draining tank, the water deposition and sand and snow barrier are avoided, the longitudinal slope adjustment capacity is high, the system can adapt to a small longitudinal slope or zero longitudinal slope road section, and frequent cutting of the side-slope protection project is avoided.

The invention provides a centrifugal atomizer. The centrifugal atomizer comprises a water collecting tray, an atomizing tray, a motor, a water supply device, a water receiving tray and an air guide sleeve, wherein the motor is used for driving the atomizing tray to rotate; the water supply device is used for feeding water to the atomizing tray; the air guide sleeve is used for guiding the air to be blown out upwards; the atomizing tray is positioned inside the water collecting tray; an atomizing part having collision with water which is ejected at a high speed from the periphery of the atomizing tray is arranged on the circumference of the water collecting tray; the water receiving tray is positioned below the water collecting tray; and the air guide sleeve is arranged below the water receiving tray. The atomizer provided by the invention can prevent the water mist formed by atomization from being condensed into water droplets on the outer wall of the water receiving tray so that no water droplets drop on the ground and water accumulation is prevented.

The invention discloses an automatic control multifunctional aquatic aquaculture work boat. The automatic control multifunctional aquatic aquaculture work boat comprises a hull, a remote control device, an automatic working device, a plurality of driving devices and a console, wherein the hull comprises a plurality of buoys and connecting pieces; the driving devices are symmetrically installed with the central line of the hull; the remote control device comprises a button circuit, an encoding circuit and a radio frequency signal transmitting circuit; and the console comprises a manipulation unit, a radio frequency signal receiving unit, a control center unit, a motor driving unit and a power supply unit. The automatic control multifunctional aquatic aquaculture work boat can realize automatic feeding and medicine application operation, and improves the overall safety factor and work efficiency; and when the hull runs, a water stirring wheel stirs water, the oxygen-increasing effect isimproved, and the free breathing and healthy growth of pond aquatic products are facilitated.

The invention provides a multifunctional basin stand. The multifunctional basin stand comprises a frame and a basin ring and is characterized in that the frame is formed by an upper frame and a lower frame which are connected through a middle conversion connector; a mirror frame is arranged at the top of the upper framework; a towel hanger and a tray are arranged on the lateral side of the upper framework; the basin ring is connected to the conversion connector; the tray is in a net shape, strip shape or a hollow-out shape further. The multifunctional basin stand has the advantages of enabling people to tidy clothes conveniently during washing due to the fact that angles of the top mirror framework can be adjusted according to requirements; being convenient to place toilet requisites and not causing ponding due to the net-shaped, strip-shaped or hollow-out-shaped tray; saving space due to the fact that direction of the basin ring can be adjusted according to requirements.

The invention discloses a sheath with a taper. The sheath comprises a taper body (511), the taper body (511) is a hollow conical shell, connectors are arranged at the two ends of the taper body (511), and left end clamping grooves (512) are formed in the outer portions of the connectors. Wiring operation can be simplified, the inside and outside of a box are organically separated through the unique structural design, and the outdoor waterproof function is achieved.

The invention belongs to the field of temporary construction roads in construction sites, and discloses an assembled pavement structure. The assembled pavement comprises prefabricated modules capableof being assembled and disassembled, and the prefabricated modules can be used for being assembled into a pavement structure; each prefabricated module comprises a sewage collection structure; the sewage collection structure comprises a hollow mesh, a groove, a connecting pipe and a flow guide pipe; and the groove is used for collecting sewage passing through the hollow mesh, the bottom of the groove is connected with the connecting pipe, the other end of the connecting pipe is connected with the side wall of the flow guide pipe, a certain inclination angle is formed in the bottom of the groove in the splicing direction, and the connecting pipe is installed at the lower end of the groove. On one hand, the detachable assembled pavement can be provided, and on the other hand, dust on the pavement can be effectively cleaned.

The invention discloses a sheath for an electric energy metering box. The sheath comprises a flat and straight body (521), wherein the flat and straight body (521) adopts a hollow cylinder structure; a right-end cone body (522) is arranged at one end of the flat and straight body (521); the diameter, close to the flat and straight body (521), of the right-end cone body (522) is relatively small; a right-end connector is arranged at the tail end of the right-end cone body (522) and the other end of the flat and straight body (521); and a right-end clamping groove (524) is formed outside the right-end connector. By adoption of the sheath, the wiring operation can be simplified; the utilization of single bodies and combination of multiple bodies of the sheath can be realized; the inside and outside of the metering box body are organically separated due to the unique structural design; and the electric energy metering box has an outdoor waterproof function.

The invention discloses a full-illumination mist cutting rapid propagation method for sympodial bamboo, and relates to the technical field of propagation of the sympodial bamboo. The method comprisesthe following steps: preparation work; material selection; cutting pretreatment; cutting; mist spray management; transplanting to a field. During material selection, 1-2-year-old sympodial bamboo is selected as a stock plant, a cutting material is cut off from the stock plant and subjected to water retention and cutting work timely, a mist spray device is started after cutting, and the cutting material is enabled to have sufficient water in the whole propagation process. Through the adoption of the full-illumination mist cutting rapid propagation method for the sympodial bamboo, most leaves onthe cutting material can be retained, photosynthesis of the leaves is promoted by natural light, endogenous hormone is produced to stimulate bamboo rhizomes to root, so that the cutting material grows more robust, a high-temperature and high-humidity environment is provided for the cutting material, the rooting speed of the cutting material can be increased obviously, and by cooperation with a culture medium, the problems that leaves of the cutting material of the sympodial bamboo are prone to falling off due to water loss, roots are prone to rotting due to water accumulation and the like canbe solved.

The invention discloses oil peony planting seedling nutrient soil and a preparation method thereof. The nutrient soil is prepared from corn straw,corncob,plant ash,brewer's grains,animal dung,garden soil,river sand,modified zeolite powder,modified gelatin,kieselguhr and an EM microbial agent. The method particularly comprises the following steps that 1,the corn straw is crushed and then mixed withthe corncob,the plant ash,the brewer's grains and the animal dung,and a mixture is obtained; 2,the mixture is put into a sealed pot for composting fermentation; 3,compost is moved into the fermentation tank to be fermented; 4,the garden soil,the river sand,the modified zeolite powder,the modified gelatin and the kieselguhr are mixed and then added in a fermentation material,drying and granulatingare conducted,and the nutrient soil can be obtained. According to the prepared nutrient soil,nutrient elements are matched reasonably,the nutritional ingredients needed in the oil peony seedling stage can be met,very good water retention and hydrophobicity,air permeability and bactericidal activity are achieved,the phenomenon that oil peony root systems suffer from bacteria can be effectively controlled,the morbidity rate of pest and disease damage can be lowered,and the survival rate of the seedlings can be increased.

The invention discloses a nutrient soil for grape cutting cultivation and a preparation method thereof, and relates to the technical field of nutrient soil. The nutrient soil is prepared from the following raw materials in parts: 45-55 parts of modified diatomaceous earth, 25-30 parts of canal mud, 25-30 parts of sepiolite powder, 15-20 parts of fermented cow dung, 15-20 parts of mixed fiber, 12-16 parts of orychophragmus violaceus and oenothera biennis seed extract, 10-12 parts of wormcast, 5-10 parts of idesia oil, 5-10 parts of chitosan, 4-6 parts of malt powder, 4-6 parts of cassava residue, 4-6 parts of humic acid powder, 3-5 parts of agricultural microbial fermentation bacteria, 3-5 parts of dianthus extract, 3-5 parts of urea, 3-5 parts of rooting agent and 45-55 parts of water. Thenutrient soil disclosed by the invention is suitable for grape cutting cultivation, thereby effectively shortening the seedling period and improving the economic benefit.

The invention relates to a double-layer soap box comprising a box body. Permeable holes are arranged on the upper layer of the box body; a thin sponge layer is arranged above the permeable holes; and a sponge for washing can be placed in the lower layer of the box body. By adopting the structure of placing a wet soap on the upper layer of the box body, water is easy to leak into the lower-layer sponge of the box body from the permeable holes so that impoundment is unlikely to occur in the soap box and the thin sponge layer can absorb water in the soap to keep the soap dry.

The invention relates to a method for solving road surface drain when raining and reasonably solving the paving of public facilities like a gas pipe and a communication cable, etc. The method includesthat: A, the horizontal heights of the two sides of the surface of a road are higher than that of a middle isolating belt; B, a channel for drain is arranged below the lowest point of the road surface; C, a protection plate is arranged on the channel; C, a public facility pipeline is arranged in the channel. The invention can effectively solves the problem of road drain, thus leading the road tonot result in accumulating water, not affecting the walkers on a footpath and not affecting the passengers to get in and off a bus; thereby being convenient for the walkers as well as being convenientfor the finishing of the mud in a drain; the pipelines of the public facilities like the gas pipe and the communication cable are arranged in the drain, thus needing not to dig the road surface whenmounting and maintaining the public facilities; thereby reducing the repeated inputting when paving the public facilities, greatly saving the mounting and maintenance cost of the public facilities aswell as being able to prevent the accident like stealing a well cover from happening.

The invention discloses a water-permeable reclaimed asphalt mixture paving brick and a preparation method thereof. The invention is characterized in that the paving brick is prepared from the following components in parts by weight: 80-100 parts of reclaimed asphalt mixture, 0-20 parts of new aggregate, 2-5 parts of water, 1-6 parts of cement, 2-6 parts of emulsified asphalt, 0-3 parts of ore powder and 1-5 parts of polyvinyl acetate emulsion, wherein the reclaimed asphalt mixture and the new aggregate are of a single size grade of 2.5-10 mm, and the sum of the weight parts of the reclaimed asphalt mixture and the weight parts of the new aggregate is 100. According to the invention, the resource utilization rate can be increased, the environmental pollution can be reduced, and the expense can be saved by several hundred million Yuan.

The invention discloses a water use method for improving comprehensive benefits of Panax notoginseng. The water use method includes soil preparation, planting and field management. During soil preparation, soil is turned up, and then ridges are established, surfaces of the ridges are 30-40 cm higher than surfaces of trenches, and any ridge surface covering materials cannot be used to cover the surfaces of the ridges; after the Panax notoginseng seedlings are planted, drip irrigation belts with the hole distance of 28-32 cm are arranged on the surfaces of the ridges, and the distance between two adjacent pipes is 14-16 cm during pipe arrangement, pipe holes face upward, and drip holes of two adjacent pipes are staggered 14-16 cm; after the drip belts are paved, the surfaces of the ridges are covered with a layer of mulch film each, the mulch film is a plastic film having holes with the diameters of 4-6 cm and is designed according to the spacing in rows of the Panax notoginseng seedlings; and during covering, the Panax notoginseng seedlings should be aligned with holes of the mulch films. According to the water use method, watering of the Panax notoginseng in dry season is accurate, can save labors and efforts, and is low in cost; the uniformity and the accuracy of watering can be improved, water evaporation can be reduced, and the use amount of water can be decreased; when the amount of rainwater is large in summer and autumn, the water accumulation amount can be decreased through film covering, and the humidity of soil can be decreased; and the surfaces of the ridges are high, so water accumulation can be avoided in rainy season, and the incidence of root diseases of the Panax notoginseng can be decreased.

The invention discloses a damp-proof method for a bottom-layer house. The damp-proof method comprises the following steps that (1) floors in the house are excavated away, then the ground is downwards excavated to form a damp-proof cavity with the depth being 0.5-0.8 m, the bottom surface of the damp-proof cavity is filled with a layer of cobble, then a steel bar net is laid on the cobble, and a concrete layer is laid on the steel bar net; and (2) a brick wall is made through bricks along the inner wall of the damp-proof cavity, and then concrete formed by mutually mixing one part of sand with the particle diameter being 0.25 mm and two parts of cement is used to whitewash the wall surface. According to the damp-proof method for the bottom-layer house, the purpose that damp-proof construction treatment is conducted on a resident at the bottom layer is achieved so that damp air on the ground can be effectively removed to enable the resident to have a good residence environment; and by sprinkling water in the front, the concrete can absorb the water, and the effect that the completely-dried concrete is solider can be ensured accordingly.

The invention relates to a drawer type fast combined plant wall. The drawer type fast combined plant wall comprises a plurality of drawer type flower boxes, a plurality of tenons, two side plates and a bottom tray. The transversely adjacent drawer type flower boxes are connected through the corresponding tenons. The longitudinally adjacent drawer type flower boxes are overlapped and internally connected with steel bars in series to connect the longitudinal drawer type flower boxes into a whole. The drawer type flower boxes are transversely and longitudinally spliced in the same vertical plane to form the plant wall. The left side of the first drawer type flower boxes on the left of the plant wall is connected with one side plate in a clamping mode, the right side of the last drawer type flower boxes on the right of the plant wall is connected with the other side plate in a clamping mode, and the bottom tray is arranged below the drawer type flower boxes on the bottommost layer. The drawer type flower boxes are spliced to form the detachable and movable plant wall with the size capable of being adjusted at will, the drawer type flower boxes can be opened and closed like a drawer, plants can be placed as long as overturning grooves are opened, and the overturning grooves are closed when the plants do not need to be placed.

A high-safety electric control cabinet disclosed by the invention comprises a cabinet body, side doors and a top door, wherein the number of the side doors is two, the side doors are provided with lock catches, the side doors are buckled to the cabinet body through the lock catches, each lock catch comprises a locking structure, an upper ejection rod and a lower ejection rod, the upper end of the upper ejection rod can abut against the upper part of the cabinet body by buckling the locking structures, and meanwhile, the lower end of the lower ejection rod abuts against the lower portion of the cabinet body; and the surface of the electric control cabinet is coated with an anti-corrosion coating, a hanging plate used for installing electric appliance elements is arranged in the electric control cabinet, and the hanging plate is detachably connected with the cabinet body. Through the special locking structures, the upper ends and the lower ends of the side doors are locked to the cabinet body, the locking structures are firm, safe and reliable and cannot be easily pried open, and the safety of components in the cabinet body is guaranteed.