84results about How to "The overall structure is stable" patented technology

The invention provides a hybrid film containing titanium dioxide / poly-dopamine functional particles. The hybrid film comprises a film substrate and the titanium dioxide / poly-dopamine functional particles doped in the film matrix, wherein each titanium dioxide / poly-dopamine functional particle adopts a core-shell structure taking a poly-dopamine particle as a core and a titanium dioxide nano-particle layer as a shell. The invention further provides a preparation method of the hybrid film. The preparation method comprises the following steps: first, preparing the titanium dioxide / poly-dopamine functional particles, doping the titanium dioxide / poly-dopamine functional particles into a polymer matrix, and preparing the hybrid film according to a phase inversion process. The titanium dioxide / poly-dopamine functional particles provided by the invention have high photocatalytic activity; poly-dopamine can perform chelating interaction with titanium dioxide, and can serve a free radical quencher to effectively protect the polymer matrix during a UV illumination process; the functional particles are stable in overall structure and have high hydrophilicity. The prepared hybrid film has good separation performance, self-cleaning property and property stability.

A vertically installed Spar-type floater for offshore wind generator and related construction methods are provided. The vertically installed Spar-type floater includes a plurality of vertically extending columns; a ballast tank coupled to the lower end of each of the columns; a porous top deck coupled to the upper end of each of the columns; a wind generator set fixedly connected with the porous top deck; a plurality of mooring lines linking the floater to the sea floor. The floater can be vertically installed by utilizing gravity and buoyancy and without a floating heavy lift crane, which greatly reduces the integral construction and installation of offshore vertical floaters and makes the mass production of Spar-type floater for offshore wind generators possible.

The invention discloses a particle electrode for treatment of refractory organic wastewater particle and a preparation method for the particle electrode. The electrode comprises granular active carbon as well as Mn, Co and Ce supported on the granular active carbon. The preparation method comprises the following steps: pretreatment of powdered activated carbon, preparation of a composite impregnation solution, supporting of the powdered activated carbon onto metal oxide and granular active carbon forming. According to the preparation method, the step of doping of metal oxide into the particle electrode is performed before the step of forming, and the prepared particle electrode has the advantages of stable structure, simple preparation method, low manufacturing cost and the like, and is applied to a three-dimensional electrode reactor to effectively treat refractory organic wastewater.

The invention discloses a rope-driven rigid-flexible coupling master-slave nested folding type ecological breeding net cage. The ecological breeding net cage comprises a nested folding and unfolding master-slave nested type net cage frame which has multiple nested folding and unfolding functions including master frame space folding and unfolding, longitudinal folding and unfolding and slave frameplanar folding and unfolding. The nested folding and unfolding master-slave nested type net cage frame comprises a master-slave framework and a net cage folding and unfolding driving mechanism. The master-slave framework comprises an upper-layer framework and a lower-layer framework which are threefold symmetric Bricard mechanisms identical in size and shape and parallel to each other. The net cage folding and unfolding driving mechanism comprises a center stand column, a sliding base, a driving rod and a closed-loop rope, the center stand column is connected with the master framework throughthe driving rod, the driving rod is connected with the two ends of the closed-loop rope, and the rope rotates the driving rod to achieve space folding and unfolding of the master framework; a steel wire rope is connected with the master framework, and a winch winds and unwinds the steel wire rope to achieve longitudinal folding and unfolding; slave framework planar folding and unfolding are achieved through flexible hinge folding and unfolding. The net cage is large in folding and unfolding ratio, and the defects that a net cage is large and inconvenient to transport are overcome; the structure is high in rigidity; the master-slave type net cage is designed to realize centralized breeding of multiple species, and the cost is low.

The invention provides a bicycle lead casing. The bicycle lead casing comprises an internal tube, a fibrous layer and an external covering layer, the internal tube is used for the pass-through of a bicycle lead, the fibrous layer is formed by arranging a plurality of strands around the internal tube and winding around the internal tube, the plurality of stands are prepared by using glass fibers, a plurality of recessed joints positioned among the plurality of strands are formed on the external surface of the fibrous layer, the external surface of the fibrous layer is covered with the external layer, and the recessed joints are filled up by parts of the external covering layer. By adopting the above technical scheme, the bicycle lead casing has a good bend toughness and a good durability.

The invention relates to a suspended cylinder type parallel flow heat storage double hearth kiln which comprises a double hearth kiln body, feeding equipment, discharging equipment, an air supply system and an exhaust gas discharging system, wherein the double hearth kiln body consists of upper inner furnace walls and lower outer furnace walls, and each inner furnace wall is suspended on the corresponding outer furnace wall; the double hearth kiln body is internally provided with a pre-heating zone, a calcining zone and a cooling zone; the cooling zone is provided with supporting walls which are built by fireproof bricks, and the supporting wall of each hearth is circularly distributed along the corresponding outer furnace wall; a supporting arch is arranged on the upper part of each supporting wall and is lapped between two adjacent supporting walls, the inner furnace walls is suspended and installed on the supporting arches, and the supporting walls have a supporting effect on the inner furnace walls. According to the suspended cylinder type parallel flow heat storage double hearth kiln disclosed by the invention, the supporting walls are uniformly arranged inside the outer furnace walls along the circumference and the inner furnace walls are supported by the supporting walls and the supporting arches arranged on the supporting walls, so that the double hearth kiln is more firm in integral structure and a flue channel is difficult to damage, and thus the operating safety of the double hearth kiln is improved and the production period and the service life are favorably prolonged.

The invention belongs to the technical field of drainage equipment for sewage treatment, and particularly relates to a buoyancy water decanter of which the working state is similar to the working state of a secondary sedimentation tank effluent weir. The buoyancy water decanter comprises a catchment weir notch and a control device, wherein the catchment weir notch floats on the water surface; thecontrol device is used for controlling the water inflow depth of the catchment weir notch; the bottom of the catchment weir notch is provided with a water outlet; and the water outlet is connected with a drain pipe. The water decanter adopting the technology is simple and reliable to operate and control and is stable to operate. The situation that effluent is mixed with sludge can be greatly reduced. According to the buoyancy action, the water decanter floats on the water surface, so that the integral water decantation of the water decanter is even and stable, and thus the weir length of the water decanter can be lengthened as much as possible.

The invention discloses an information publicity structure with strong anti-fall performance, which includes a column on which an even number of billboard mechanisms are arranged, and a plurality of billboard mechanisms are respectively arranged on both sides of the column and are symmetrical about the central axis of the column, each The billboard mechanism includes a fixed rod, a roller and a rectangular advertising cloth. The opposite ends of the rectangular advertising cloth are respectively connected with the fixed rod and the roller. There are a number of traction mechanisms such as the controller on the column, the wind sensor, and the billboard mechanism. The traction mechanisms are respectively connected to the two pulleys through traction ropes; Inverting mechanism, the three anti-falling mechanisms are symmetrical about the central axis of the column. The invention can automatically sense wind force, has high structural stability and strong wind resistance, can simultaneously display a plurality of advertisement information, and does not need manual maintenance.

The invention discloses a cutting device for a building material plate. The cutting device comprises a rack, a lifting mechanism and a cutting mechanism, wherein the lifting mechanism and the cutting mechanism are installed on the rack, the upper part of the rack is provided with vertical guide rails, the lifting mechanism comprises a lifting frame and a lifting motor, the lifting motor is connected with the lifting frame through a lead screw, sliding blocks matched with the vertical guide rails in a sliding manner are arranged at two ends of the lifting frame, the cutting mechanism comprises a cutting motor installed on the lifting frame, the cutting motor is installed on the upper end face of the lifting frame, an output shaft of the cutting motor is provided with a cutting chain, the lower part of the rack is provided with a control mechanism, and the lifting motor and the cutting motor are respectively connected with the control mechanism. The invention aims to solve the problems in existing cutting equipment that the cutting efficiency is low, the cut surface of the building material is rough and the cutting deviation is large.

The invention relates to a water system energy storage battery based on a (TiO)x(P2O7)y cathode and a manganese-based oxide anode. The water system energy storage battery comprises an anode plate taking manganese-based alkali metal salt as an active anode substance, and a cathode plate taking phosphoric oxotitanium as an active cathode substance, wherein electrolyte adopts an aqueous solution containing alkali metal ions. According to the water system energy storage battery, a novel phosphoric oxotitanium ((TiO)x(P2O-7)y) material is applied into the water system battery, thus constructing a novel water system energy storage battery. The system material is stable in whole structure, rich in raw material and simple in process; the cost for whole preparation is low; in the production process, no toxic substance is adopted or generated, so that the safety and the environment friendliness are greatly improved; meanwhile, the water system energy storage battery is higher in energy density and power density, is extremely good in circulating stability when applied to the field of energy storage, and can work within a wider temperature range, and each monomer can realize high consistency.

The invention relates to a one-step folding bicycle, comprising a bicycle frame, a handlebar arranged at the front upper part of the bicycle frame, and a saddle arranged at the rear lower part of the bicycle frame. The one-step folding bicycle is characterized in that a handlebar stem capable of rotating back and forth relative to the bicycle frame and a front fork which is capable of rotating back and forth relative to the bicycle frame and is arranged under the handlebar stem are arranged at the front end of the bicycle frame, a front and a rear saddle posts capable of rotating back and forth relative to the bicycle frame are arranged at the rear end of the bicycle frame, the front and rear ends of the saddle are respectively hinged with the upper ends of the front and rear saddle posts, the upper end of the handlebar stem is hinged with the front end of a first connecting rod, the rear end of a second connecting rod is connected with the lower end of the rear saddle post and rotates synchronously therewith, and the rear end of the first connecting rod is hinged with the front end of the second connecting rod. Compared with the prior art, the one-step folding bicycle has the advantages that the handlebar and the saddle can be folded synchronously, so that the folding is convenient; with the bicycle frame consisting of a first and a second bicycle frames, the integral structure of the bicycle is firm, and all parts are located between the first and second bicycle frames after the bicycle is folded, thereby causing the external structure of the bicycle to be simple.

The invention discloses an electromagnetic vibration energy collecting device for an ocean robot. The device comprises a hemispherical body. Permanent magnets are distributed on the surface of the hemispherical body; the hemispherical body is positioned in a lower hemispherical housing, and sphere centers of the two are same; round holes corresponding to the permanent magnets on the surface of thehemispherical body are distributed in the lower hemispherical housing, and coil columns are inserted into the round holes; the lower hemispherical housing and an upper hemispherical housing are connected to form a complete spherical housing; a supporting column is supported in the upper hemispherical housing towards the sphere center, and the supporting column is connected with the hemisphericalbody through a TBS knuckle bearing, so that the hemispherical body can rotate in any direction around the steel ball center of the TBS knuckle bearing; the magnetic poles of the outward parts of the adjacent permanent magnets on the hemispherical body are opposite; and the winding directions of coils wound on the adjacent coil columns are opposite. Energy of external objects in all directions canbe directly collected and converted into electric energy; and the overall structure is stable, the shape is symmetrical, and the influence on external device stability is small.

The invention discloses a crushing and mixing device for biological medicine raw materials. The crushing and mixing device comprises a box body, feeding openings, a first-stage crushing device, a conic table, a second-stage crushing channel, second-stage crushing devices, a crushing and mixing device body, a disc, a discharging opening, inclined plates and a crushing barrel. The feeding openings are arranged in the left side and the right side of the upper end of the box body. The first-stage crushing device is arranged in the middle of the box body. The crushing barrel is fixedly mounted at the lower end of the top of the box body. The conic table is arranged at the inner bottom of the crushing barrel. Openings are formed in the positions, corresponding to the left side and the right sideof the conic table, of the crushing barrel and communicate with the second-stage crushing channel. The second-stage crushing devices are arranged on the left side and the right side of the second-stage crushing channel. The crushing and mixing device body is fixedly mounted on the outer portion of the middle of the second-stage crushing channel. The disc is fixedly mounted at the lower end of thesecond-stage crushing channel. The position, corresponding to the lower portion of the disc, of the discharging opening is inclined downwards. The crushing and mixing device is excellent in practicaleffect, the raw materials are subjected to multi-stage crushing and are mixed evenly, no accumulation is generated in the crushing process, and the overall structure is relatively stable.

The invention discloses an internet-of-thing express cabinet, relates to the technical field of express cabinets, and is to solve the problem that people not tall enough are inconvenient to take expresses in an express cabinet on the uppermost layer. The express cabinet specifically comprises an express cabinet body; three or more first storage cavities, second storage cavities and third storage cavities are formed in the outer wall of one side of the express cabinet body, and three or more first cabinet doors, second cabinet doors and third cabinet doors are fixed to the outer walls of the three or more first storage cavities, the outer walls of the second storage cavities and the outer walls of the third storage cavities through spring hinges respectively. By arranging the first storagecavity, the second storage cavity and the third storage cavity which are different in size, a courier can put express items of different sizes into the corresponding sizes of storage cavities, so thatutilization of space is effectively improved; and meanwhile, the storage cavity with the large size is formed in the bottom of the express cabinet, so that the overall structure of the express cabinet is more stable, and users can conveniently take large expresses.

The invention discloses an adjustable display mounting support. The adjustable display mounting support comprises a first framework (100) which is formed by a pair of first crossbeams (110) and a pair of first vertical beams (120). The first vertical beams (120) are internally provided with vertical U-shaped grooves (121), the upper end and the lower end of each U-shaped groove (121) are provided with fixing devices (130), a vertical adjusting device (140) is arranged between every two corresponding fixing devices (130), and the upper end and the lower end of each vertical beam (120) are provided with hook devices (150). The adjustable display mounting support further comprises a second framework (200) which is formed by a pair of second crossbeams (210) and a pair of second vertical beams (220), and main crossbeams (230) matched with the hook devices (150) are arranged on the second framework (200). The adjustable display mounting support is high in mounting stability and easy to mount and demount, and multi-direction display position adjustment can be realized.

The invention provides a yarn ball spherical curtain wall structure. The problem that conventional spherical building exterior decorative curtain walls are simplex in structure and insufficient in three-dimensional effect, multi-level three-dimensional spherical decorative surfaces are difficult to form, the mounting difficulty is high, and the stability is poor are solved. According to the technical scheme, the spherical curtain wall is composed of twenty large triangular spherical curtain wall blocks which are equally divided and are in a regular triangle shape; each large triangular curtainwall block is composed of small triangular curtain wall unit blocks; the number of the small triangular curtain wall unit blocks is the square of n, and n is a natural number greater than 1; each small triangular curtain wall unit block is composed of four triangular three-layer aluminum plates which are divided into four equal parts; and through arrangement and combination of multiple-layer aluminum plate line assembled unit bodies, the three-dimensional 'yarn ball' exterior decorative effect is formed on the spherical curtain wall, the modern sense, the science sense and progress sense of the whole building are improved, and the unique spherical division method and the control of the lines form the artistic effect unique to the "wool ball" in the building.

The invention relates to the technical field of clamping devices, in particular to a clamping device for valve machining. The clamping device comprises a base and a motor. The motor is fixedly connected to the right end of the base. The tail end of a spindle of the motor is fixedly connected with a multi-groove cam. The top end of the multi-groove cam is slidably connected with a cam sliding block. The top end of the cam sliding block is fixedly connected with a movable support. The movable support is slidably connected with the base. Gears are rotatably connected to the inner walls of the rear end faces of boxes. The outer sides of the gears are engaged with a rack. The right end of the rack is fixedly connected with a movable clamping rod. Through arrangement of the gears, the racks, clamping blocks and fixed rings, the clamping device can conduct clamping on different sizes of valves to facilitate subsequent machining and manufacturing, and the racks can be fixed conveniently through the clamping blocks and springs, so that the overall structure is stabilized, and accidents occurring in the machining and manufacturing process due to instable clamping of the valves are avoided. The clamping device has the huge economic benefits and broad market prospects and is worth application and popularization.

The invention discloses a mining intelligent dust-proof system, relates to the technical field of mines, and aims to solve the problems that an existing mining dust-proof device is not good enough indust-proof effect, and a large amount of dust generated in the mining process can bring great harm to body health after being inhaled by a human body. A water storage tank is installed on one side ofa dust removal and purification water tank, a ventilation base is installed in the middle of the upper portion of the dust removal and purification water tank, a motor is installed in the middle of the upper portion of the ventilation base, a water outlet is formed in one side of the upper portion of the water storage tank, a water pipe is installed in the water outlet, a water pump is installed at one end of the water pipe, a spraying base is installed above one side of the water storage tank, an atomizing nozzle is installed on one side of the spraying base, an intelligent dust-proof box isinstalled below the dust removal and purification water tank, and a dust suction base is installed on one side of the intelligent dust-proof box.

The invention relates to the technical field of batteries, and discloses a graphene battery structure. The graphene battery structure comprises two microporous ceramic matrixes which are distributed in a columnar manner, wherein each microporous ceramic matrix is internally provided with a plurality of electrolyte through holes and a plurality of exhaust holes; micropores in the microporous ceramic matrix are filled with graphene particles; insulating layers are arranged on the top surface, the bottom surface and the outer side surface of the microporous ceramic matrix; bases are arranged at the lower ends of the two microporous ceramic matrixes; two connecting cavities are formed in the bases; a medium channel is arranged between the two connecting cavities; a microporous diaphragm is arranged in the medium channel; a positive plate is fixed at the upper end of one microporous ceramic matrix; a negative plate is fixed at the upper end of the other microporous ceramic matrix; positiverods in one-to-one correspondence with the electrolyte through holes are fixed on the lower side of the positive plate; negative rods in one-to-one correspondence with the electrolyte through holes are fixed on the lower side of the negative plate; and the electrolyte through holes are filled with an electrolyte. The graphene battery structure has the beneficial effects of good heat dissipation performance, good exhaust performance and high charging and discharging efficiency.

A portable sun-shading umbrella is composed of a polygonal or square umbrella top made of water-poof and ultraviolet shielding material, the upper and lower supporting frames consisting of the supporting rods which is made up of several rod segaments through butt connection, central connector between upper and lower supporting frames for connecting them together, and the full strings for stretching and fixing said supporting frames. It features that it is easily detached and its all parts are foldable.

The invention relates to a massage machine core which comprises a massage arm, a massage driving device for driving the massage arm to perform massage action and a control mechanism; the massage driving device comprises a worm, a worm wheel and a strong and weak driving motor, wherein the worm and the worm wheel are meshed with each other; the worm is set to be movable in its axis direction; the body pressure acting on the massage arm is exerted on the worm through a worm wheel to cause the worm to generate axial displacement, and a body pressure detection device for detecting the body pressure by detecting the axial displacement is arranged; the body pressure detection device comprises a pressure sensor and a touch piece for touching the pressure sensor, wherein the touch piece is installed in a non-rotatable manner and is parallel to the central axis of a worm; and the worm is connected to the touch piece through a thrust bearing so as to transmit the axial displacement of the worm to the non-rotatable touch piece while the worm rotates. The massage machine core has the advantage of stable overall structure. The invention further provides a massage machine.

The invention relates to an assembly structure for a submersible stirrer. The assembly structure comprises a workbench, wherein an upper pre-embedded steel plate is arranged above the workbench; a waterborne rack is arranged on the upper pre-embedded steel plate; a hand windlass mechanism is arranged in the middle of the waterborne rack; pulleys are arranged at the upper part of the waterborne rack; a guide rail is arranged on the side face of the workbench, and is provided with a submersible stirrer; and a monitor is arranged on the submersible stirrer. The assembly structure has a function of underwater surveillance, and is accurate and integrally firm.

The invention discloses an unmanned aerial vehicle air position adjusting device, which comprises a fuselage and a bearing plate. Arms are symmetrically and vertically welded on the outer surface of the fuselage, the fuselage is internally provided with a motor tank, a motor is internally fixedly mounted in the motor tank, the middle part of the lower surface of the motor is rotatably connected with a middle shaft, the lower surface of the fuselage is provided with a shaft rod groove, and the shaft rod groove is connected with the motor tank; the motor is internally mounted in the fuselage ofthe unmanned aerial vehicle air position adjusting device to drive the rotation of the middle shaft so as to drive the rotation of bottom rotating rods, bearing blocks are arranged between adjacent rotating rods, and the weight of each bearing block is different, so that the position of the center of the fuselage can be adjusted according to the actual situation when the fuselage is in a flight; afixing seat is disposed under the fuselage, and positioning blocks disposed on both sides of the fixing seat pass through sliding grooves symmetrically disposed on both sides of the bearing plate andare clamped on the inner wall of a movable groove.

A lateral safety air curtain device for an automobile and a manufacturing method thereof are disclosed. The lateral safety air curtain device for automobile comprises an air bag body and a connectingcloth sheet, wherein that interior of the air bag body is an inflatable cavity, air holes are arrange on the connecting cloth sheet, and the connecting cloth sheet is sewn together with the air bag body aft the connecting cloth sheet is closed annularly, so that the inflatable cavity forms a child-mother cavity structure which is communicated. The manufacturing method comprises the steps of obtaining a main cloth sheet I, a main cloth sheet II and a connecting cloth sheet by cutting the base cloth, annularly connecting a plurality of connecting cloth sheets and performing sleeving from the inside to the outside, which is sequentially sewn between the main cloth sheet I and the main cloth sheet II, The edge positioning stitching of the main cloth sheet I and the main cloth sheet II has theadvantages of simple and stable overall structure, high production efficiency, low manufacturing cost, enlarged side impact protection area, and the stitching mode is not affected by different vehiclestructural shapes, thereby improving the structural universality.

The invention discloses a trough type solar support based on the principle of gravity. The support comprises two parallel and vertical supporting rods and a torque tube erected on the two supporting rods and further comprises bearing blocks arranged at upper ends of the two supporting rods respectively, cranks arranged at two ends of the torque tube respectively, four groups of hoop assemblies arranged on the torque tube, vacuum tube supports arranged on the hoop assemblies on two sides of the torque tube as well as parabolic supports arranged on two groups of the hoop assemblies in the middle of the torque tube, wherein each bearing block and the crank are connected with each other by the aid of an axial rod fixedly connected with the crank; concave surfaces of the parabolic supports face upwards. The invention further discloses a mounting method of the trough type solar support based on the principle of gravity. The trough type solar support is reasonable in structural design and stable, structures in all positions are accurately combined, the support is suspended naturally according to the principle of gravity for mounting in the mounting process and is mounted rapidly, efficiently, accurately and reliably, the mounting period is shortened, and the labor cost is reduced.

The invention discloses a mold punching and fixing device which comprises a base, a machine body, a motor, a control system, a first supporting column, a second supporting column, a fixing device, a supporting transverse column, a punching device and a workbench face. The upper portion of the base is connected with the machine body. The upper portion of the machine body is connected with the workbench face. The upper portion of the workbench face is connected with the first supporting column and the second supporting column. According to the mold punching and fixing device, the overall structure is more stable, the stabilization degree during work is increased, work precision is improved, pressure is increased, molds are punched more rapidly with less labor, production cost is reduced, thework efficiency is increased, the device can adapt to punching of various molds, overall practicality is increased, and the clamping effect is good; and fault operation brought by mold material deviation is avoided, punching is achieved better, unnecessary punching is reduced, friction between molds is reduced, and the service life is prolonged.

The invention discloses a casting exhaust gas acid mist purification tower, relating to the technical field of exhaust gas treatment. The casting exhaust gas acid mist purification tower comprises a vertical spray pipe, a vertical spray head, horizontal spray pipes and horizontal spray heads. When acid mist is subjected to purification, the acid mist is firstly purified through a packing layer tobasically remove large particles of impurities; after passing through the packing layer, the acid mist comes into contact with spray liquid; the spray liquid first enters a liquid inlet pipe, then enters the vertical spray pipe from the liquid inlet pipe, and is sprayed horizontally through the vertical spray head on the vertical spray pipe; at the same time, the spray liquid in the vertical spraypipe also enters into each horizontal spray pipe and is sprayed down through the horizontal spray heads on the horizontal spray pipes. Since the horizontal spray pipes are evenly arranged in the circumferential direction of a tower body, the spray liquid is evenly and fully sprayed onto the top of the packing layer, and therefore, the acid mist is more fully contacted with the spray liquid afterpassing through the packing layer.

The invention belongs to the field of sponge city construction, and relates to an annular sponge wetland garden and a construction method thereof. The annular sponge wetland garden comprises a water collecting channel, a high-load area, a low-load area and a central well, wherein the water collecting channel comprises an inner barrel and an outer barrel; the inner barrel is formed by splicing a plurality of sub-barrels; upper water inlet holes are formed in the upper areas of part of the sub-barrels, and lower water inlet holes are formed in the lower areas of the other part of the sub-barrels; the lower water inlet holes communicate with the lower part of a filter layer of the high-load area; the upper water inlet holes communicate with a filter layer of the low-load area; and the lowest layer of a buffer area communicates with the upper area of an adsorption layer of the high-load area and the upper area of the filter layer of the low-load area. According to the annular sponge wetland garden, rainwater in different periods can be treated in different areas, rainwater collection, a rainwater garden, a rainwater wetland and a water storage module are integrated, and the occupied area of the wetland garden is effectively reduced.

The invention discloses a crushing recovery device of building hollow bricks. According to key points of the technical scheme, the crushing recovery device comprises a first crushing box and a secondcrushing box, a plurality of supporting columns are fixed to the bottom of the second crushing box, the first crushing box communicates with the second crushing box through a pipeline, a feeding portfacilitated to adding the hollow bricks is formed in the top of the first crushing box, a first filter screen is fixed into the first crushing box, a second filter screen is fixed into the second crushing box, a first blade fixing rod and a second blade fixing rod are rotatably connected to the positions, on the upper part of a first filtering plate, of the first crushing box, and a plurality of first cutting blades are fixed to the first blade fixing rod and the second blade fixing rod correspondingly. According to the crushing recovery device of the building hollow bricks, the hollow brickscan be crushed twice, and the hollow bricks can be crushed into relatively uniform small particles.