47results about How to "Guaranteed recyclability" patented technology

The invention discloses a 3D culture, passage, cryopreservation, recovery and identification method for in-vitro organoids based on small intestines of different segments of mice. The method comprisesthe following steps: (1) separating recesses of duodenum, jejunum and ileum segments of mice; (2) performing 3D culture on the recesses of the duodenum, jejunum and ileum segments of mice, and forming organoids; (3) performing passage on organoids of small intestines of mice; (4) performing cryopreservation on the organoids of small intestines of mice; (5) performing recovery on the organoids ofsmall intestines of mice; (6) preparing frozen sections of the organoids of small intestines of mice; and (7) performing immunofluorescence labeling and identification on the frozen sections of the organoids of small intestines of mice. Compared with the prior art, the method disclosed by the invention optimizes a recess extraction manner, an in-vitro culture system and a culture medium based on the recesses of the small intestines containing stem cells, and comprises the steps of complete culture, passage, cryopreservation, recovery and identification. The small intestine organoids obtained by the method are capable of performing repeated passage, and the passage organoids have character stability.

The invention discloses a soil flushing repair system and method, and belongs to the technical field of soil repair. The soil flushing repair system sequentially comprises a crushing and screening module, a feeding and mud making module, a flushing and particle size distributing module, a water treatment module, a mud dehydration module, a water supply module and a central control room module. The crushing and screening module including a sieve with the hole diameter of a screen cloth being 30mm-60mm is arranged in front of the operating process of the feeding and mud making module. The flushing and particle size distributing module can achieve level-7 wet sieving and flushing of contaminated soil by means of water jet cutting of a high-pressure spraying system and mechanical vibration of a vibration motor, and discharging cleanliness and recoverability can be guaranteed. The mud dehydration module is provided with a drying workshop and used for preventing rainwater from wetting dehydration mud cakes, guaranteeing subsequent drying of the mud cakes and controlling secondary pollution of pollutants in the mud cakes. By the adoption of the soil flushing repair system and method, the problem that the screen cloth can be blocked easily due to the uneven feeding grain size in the prior art is solved, and the problems of flushing dehydration mud cake storage, subsequent drying and secondary pollution of the pollutants are also solved.

The invention discloses a nondestructive testing device for automatic testing of sheet spot welding quality. The nondestructive testing device comprises a control circuit, a coupling agent injection mechanism, at least one test probe mechanism and a quality assessment mechanism, wherein a coupling agent supply mechanism comprises a water tank, a water pump and an electromagnetic valve; the control circuit controls the water pump and the electromagnetic valve to be started and shut down, a port P of the electromagnetic valve is connected with the water pump, and the water pump is connected with the water tank which is connected with a port T of the electromagnetic valve; each test probe mechanism comprises a high-frequency ultrasonic probe and a probe cover, the probe cover is provided with a liquid inlet hole and a liquid outlet hole, the liquid inlet hole is connected with a port A of the electromagnetic valve, and the liquid outlet hole is connected with a port B of the electromagnetic valve; the quality assessment mechanism comprises an ultrasonic testing device and a computer, the ultrasonic testing device is connected with the high-frequency ultrasonic probe, and the computer is connected with the ultrasonic testing device. According to the nondestructive testing device, automatic online detection of the spot welding quality of large sheets can be realized.

The invention provides an overhead steel-beam stress platform and a construction method thereof, and belongs to the field of building construction. The overhead steel-beam stress platform is arranged between two buildings and comprises a plurality of main steel beams, a plurality of secondary steel beams, a steel pipe template and a steel pipe bent frame, the main steel beams are arranged in parallel, the secondary steel beams are arranged in parallel, the main steel beams are vertically connected with the secondary steel beams to form a steel beam frame plate, the steel pipe template is arranged on the steel beam frame plate, the steel pipe bent frame is arranged on the secondary steel beams, and two ends of each main steel beam are respectively and firmly arranged on the buildings on two sides. According to the different structural situations of a storage position of the main steel beam of built floors of the buildings on two sides, the main steel beams can be firmly built by selecting one or two of the following ways, so that the characteristics of safety and reliability in construction, simplicity and feasibility can be realized; moreover, the recyclability of each steel component can be guaranteed, and the construction cost is effectively reduced.

The invention discloses a potted plant soil block disengagement preventing logistics box leveled based on earth gravity, and relates to the technical field of logistics transportation. The potted plant soil block disengagement preventing logistics box leveled based on earth gravity comprises a box body, a box cover, a leveling box, a compression spring, a containing plate, first inclined blocks, transmission mechanisms, reset mechanisms and clamping mechanisms. The rear side of the box cover is hinged to the top of the inner rear wall of the box body through a hinge, the leveling box is arranged in the middle of an inner cavity of the box body, and the middle of the inner bottom of the leveling box is fixedly connected with the bottom end of the compression spring. According to the pottedplant soil block disengagement preventing logistics box leveled based on earth gravity, when a potted plant is put in the leveling box, the leveling box can carry out automatic leveling to avoid the condition that the potted plant topples over, meanwhile, a pot body of a flowerpot is fastened through the cooperative arrangement of the transmission mechanisms and the clamping mechanisms, and the problem that soil spills as the potted plant topples over along with toppling of the box body is further avoided.

The invention discloses automatic waste treatment equipment. The automatic waste treatment equipment comprises a disinfection cavity, a crushing cavity, a heating cavity and an electrolyte cavity; a transverse plate is arranged between support legs and a conveying belt; the crushing cavity is arranged at the bottom of the disinfection cavity; the disinfection cavity and the crushing cavity are connected through a precrushing cavity; the bottom of the crushing cavity is connected with a rotating rod; a crushing blade is arranged on the surface of the rotating rod; the lower part of the crushing cavity is connected with the heating cavity; the bottom of the heating cavity is connected with a heater; a disinfecting agent is arranged on one side of the external of the heating cavity; the other side of the external of the heating cavity is connected with the electrolyte cavity; and an electrolyte reactor is arranged at the bottom of the electrolyte cavity. The automatic waste treatment equipment can realize automatic waste treatment, disinfects and cleans wastes, meanwhile, treats the wastes in a classified manner, can treat recyclable substances in the wastes and generated waste gas, guarantees cleanness and no pollution, and is reliable in structure, safe, environment-friendly, labor-saved and suitable for wide popularization and application.

The invention relates to the field of garbage classification equipment, in particular to a classification device for plastic garbage treatment and recovery. The classification device comprises a machine body and a classification cavity located in the machine body and provided with an upward opening, moving grooves in bilateral symmetry are formed in the end wall of the upper side of the classification cavity, baffles capable of moving left and right are arranged in the moving grooves, and first electromagnets which are in bilateral symmetry and attract each other after being powered on are arranged on the outer walls of the baffles and the moving grooves. The invention provides the classification device for plastic garbage treatment and recovery. According to the classification device, the amount of harmful metal elements such as mercury in the plastic garbage is detected through a metal detector, the harmful metal elements are classified into the corresponding garbage baskets to be treated through rotation of classification wheels, the plastic without metal parts is sealed in a closed space after being crushed, nutrient solution is supplied to plastic decomposition microorganisms in the plastic at intervals through extrusion of sponge blocks, the plastic containing metal is heated and decomposed through crushing and heating and then recycled in a unified mode, and the recyclability of the device is guaranteed.

The invention relates to the technical field of cosmetics, and discloses an accurate detection device for air leakage of a facial mask packaging bag based on Bernoulli principle. The accurate detection device comprises a base, the detection device comprises a photoresistor, a hanging column and feathers, an illumination lamp corresponding to the detection device is arranged on the outer side of anextrusion plate, an arc-shaped metal sheet is arranged in a first magnet, a second magnet comprises a triangular groove and a metal ball, a coil is arranged on the left side of the interior of a detection box, and a first annular metal sheet and a second annular metal sheet are arranged inside a fixed shaft. The illumination lamp is driven to move downwards through the extrusion plate, an air leakage opening of the edge of the mask bag blows the feathers in the detection device, the feathers with light weight is blown up, the resistance in the photoresistor is rapidly reduced, the coil connected in series with the photoresistor is energized, the magnetic field generated by the coil pushes the second magnet on the left side to move upwards, and the problem of low detection precision of anexisting facial mask air leakage detection device is solved.

The invention discloses energy-saving cold-rolled steel coiled plate alkali liquor cleaning and degreasing equipment and a using method thereof, and relates to the technical field of cold-rolled steelcoiled plate processing. The equipment comprises a liquid collecting box for collecting an alkali liquor. A top surface of the liquid collecting box is an opening structure and is fixedly connected with a table plate. A mounting box is fixedly connected to an upper surface of the table plate, symmetrically-arranged partition plates are fixedly connected to two sides of an internal portion of themounting box, the internal portion of the mounting box is divided into a drying chamber, a cleaning chamber and an empty chamber from left to right through the partition plates, and meanwhile throughgrooves allowing a cold-rolled steel coiled plate to penetrate through are arranged in the partition plates and the two sides of the liquid collecting box. The alkali liquor sprayed out of the cleaning chamber can achieve a cleaning and degreasing process of the cold-rolled steel coiled plate so as to ensure plate quality before galvanizing. And then the cold-rolled steel coiled plate enters intothe drying chamber to be rapidly air-dried, the surface of the cold-rolled steel coiled plate is blown to be clean, liquid stains on the surface of the cold-rolled steel coiled plate are subjected tohot drying, a bright effect of the plate surface is guaranteed, and a previous guarantee is provided for a next step of machining.

The invention relates to the technical field of mineral machining, and provides a steel mill cloth bag dedusting ash sorting process which comprises the following steps that fluid materials enter a diaphragm pump to be ground, ground mortar is lifted to a high-frequency screen by a crushing pulping machine, undersize materials of the high-frequency screen automatically flow to an elutriator for sorting, a foaming agent and a collecting agent are added into tailing slurry discharged from the elutriator, the tailing slurry enters a mineralization tank, after mineralization, the tailing slurry enters a first flotation machine and a second flotation machine, then the tailing slurry enters a first flow film gravity separator, the first flow film gravity separator generates three products, namely iron powder, middlings and tailings, and carbon powder, iron powder, tailing mud cakes and salt are further separated. By means of the above technical scheme, the problem that blast furnace cloth bag dedusting ash is not fully recycled in the related technology is solved.

The invention relates to the technical field of municipal engineering. The invention aims to provide a combined reinforcing rib structure which can greatly improve the structural strength of a box body without affecting the water storage function of the box body. The combined reinforcing rib structure comprises a combined plastic box body, wherein the box body is internally provided with a plurality of meshed reinforcement structures; the meshed reinforcement structures are arranged in a crisscross manner, so that a reinforcing frame is formed; the shape of the reinforcing frame is matched with that of the box body; the size of the reinforcing frame is matched with that of the box body. The reinforcing frame adopted by the combined reinforcing rib structure is conveniently processed, and can be used for overall supporting the box body on the premise of not affecting the general functions of the box body, so that the integrally structural strength of the box body is greatly improved. The reinforcing frame is especially suitable for the combined box body made of plastic. The combined reinforcing rib structure has the advantages that the structure can be widely applied to the construction of municipal facilities, such as underground ponds, electric power wells and valve wells, and can be ingeniously combined with various types of equipment and facilities, so that the structural strengths of all facilities are greatly optimized under the condition of not affecting the normal use of all the facilities, the installation technologies of all the facilities are simplified, and the effect of extremely strong universality is achieved.

The invention belongs to the technical field of precision part machining, and particularly relates to a method for deburring and polishing a precision part through low-pressure beam spraying. The method comprises the following steps that firstly, the size of burrs on the original surface of the precision part is evaluated; secondly, the abrasive particle type and the beam spraying pressure are selected according to the size of the burrs; and finally, the burrs on the surface of the precision part are removed once or multiple times through the selected abrasive particle type and the selected beam spraying pressure so as to meet the machining requirement for the surface roughness Ra of the precision part. By means of the method, deburring and polishing not limited by the structural complexity and the micro crack / hole / groove structure of the part can be realized, meanwhile, it is almost unnecessary to change any size and surface precision of the part, and no damage layer or metamorphic layer or corrosion layer is generated on the surface.

The invention discloses a recyclable air bag type aluminum honeycomb packaging box, and relates to the technical field of packaging and the technical field of aluminum honeycomb plates. The packagingbox comprises an upper top cover, a first long side plate, a bottom end cover, a first short side plate, a second long side plate, a second short side plate and a PE buffering air bag. A box body plate of the packaging box is formed by cutting aluminum honeycomb plates according to the corresponding size, and the box body plate is subjected to edge sealing through edge sealing strips, so that thestructural strength of the box body is guaranteed, the impact resistance and the buffering performance of the box body are improved, the light weight of the box body is achieved, and the waterproof, damp-proof, mildew-proof and flame-retardant characteristics of the box body are enhanced; the PE buffer air bag is bonded and covered in the box body so that objects in the box body can be well protected from being damaged in an inflated state; and a hidden buckle assembly on the outer side of the box body can guarantee that the box body is convenient and fast to package. The recyclable air bag type aluminum honeycomb packaging box can be recycled, and is an efficient, practical and environment-friendly packaging product.

The invention discloses a method for preparing a wound dressing by wet spinning of montmorillonite intercalated polyacrylonitrile, and belongs to the technical field of textile manufacturing. The method comprises the following steps that dry acrylic fibers are dispersed in a solvent,organically modified montmorillonite is intercalated with polyacrylonitrile to prepare a spinning solution, polyacrylonitrile nascent fibers are generated by a spinneret plate, coagulating bath is conducted on the nascent fibers to generate fibers, the polyacrylonitrile fibers adsorb photosensitive dyes to preparepolyacrylonitrile yarns with a photosensitive antibacterial effect, and finally weaving is conducted to prepare the photosensitive antibacterial wound dressing. The method has the characteristics that(1) the acrylic fibers are directly used for preparing the wound dressing; (2) the polyacrylonitrile fibers are prepared by the organically modified montmorillonite intercalated polyacrylonitrile through a wet method; (3) the coagulating bath is a mixed solution of water and an organic solvent; and (4) the photosensitive dye is adsorbed by using the polyacrylonitrile fibers to prepare the wound dressing. The method is simple to operate, experimental equipment is easy to operate and non-corrosive, coagulating bath liquid is easy to recycle and low in toxicity, and the prepared wound dressing is good in antibacterial effect and high in repeatability.

The invention belongs to the technical field of fabricated buildings, and discloses a stable hanging structure of a fabricated wallboard. The stable hanging structure comprises a fixed seat, a fixingmechanism is movably connected to an inner cavity of the fixed seat through a limiting mechanism, wallboards are movably connected to two sides of the fixing mechanism through hanging mechanisms, andthe two ends of the two sides of the fixed seat are attached to one sides of the wallboards through supporting mechanisms. According to the stable hanging structure of the fabricated wallboard, a third threaded column rotates upwards in a third threaded cap, a bottom extrusion plate can be pulled to move upwards through movement of the third threaded column, the extrusion plate can be separated from a direction adjusting ball through movement of the extrusion plate, when the direction adjusting ball rotates, supporting can be conducted through the bottom supporting plate, so that the fixed inclination angles of the direction adjusting ball, connecting rods on the two sides and the wallboards are adjusted, after the angle is adjusted to be proper, the third threaded column is reversely screwed to rotate to drive the extrusion plate and the direction adjusting ball to extrude, fix and limit, therefore the fabricating angle of the wallboards can be remarkably increased, the adaptive capacity is high, and the use requirements are met.

The invention belongs to the technical field of all-solid-state batteries, and in particular relates to a Ga, Al co-doped LLZO solid electrolyte, a multi-component solid-state battery and a preparation method thereof. The Ga, Al co-doped LLZO inorganic oxide solid electrolyte prepared by the invention has ion conductivity High efficiency, good stability and other excellent performance. The invention introduces Ga, Al co-doped LLZO inorganic oxide solid electrolyte and quantum carbon-based film / metal composite interface layer to prepare multi-component solid-state battery, which effectively solves the three major problems of lithium dendrite growth, low Coulomb effect and interface side reaction. The core problem faced by the mass production of solid-state batteries.

The invention discloses a rapid grouting and hole sealing device for a tunnel lining structure and a using method, relates to the technical field of building construction, solves the problems that an existing grouting guide pipe cannot be recycled and the grouting depth is prone to change in the installation process, does not change the grouting depth and ensures the grouting effect, and adopts the specific scheme that the rapid grouting and hole sealing device comprises the grouting guide pipe; the two ends of the grouting guide pipe are provided with a grouting opening and a grouting inlet respectively, the end, close to the grouting opening, of the grouting guide pipe is sequentially sleeved with the hole sealing mechanism and the outer sleeve steel pipe, and the other end of the grouting guide pipe is provided with a rotary limiting mechanism. The rotary limiting mechanism is composed of a bearing and a spring, the bearing is fixedly arranged at the end, close to the grouting inlet, of the outer sleeve steel pipe in a sleeving mode, one end of the spring is fixedly connected with the outer wall of the bearing, and the other end of the spring is fixedly connected with the outer wall of the grouting inlet end of the grouting guide pipe.

The invention discloses a cooling water circulating device for non-woven fabric production, and particularly relates to the technical field of water circulating devices. The cooling water circulating device comprises a box body; a color removing structure is arranged on one side of the top end of the box body; supporting legs are fixedly connected to two sides of the bottom end of the box body; a purifying structure is arranged at the top end in the box body; and a filtering structure is arranged below the purifying structure. By arranging a connecting base, a limiting bolt, a lower filter screen, an upper filter screen and a limiting base, during use, the upper filter screen and the lower filter screen are arranged in the box body through the limiting base; the net diameter of the upper filter screen is larger than that of the lower filter screen, so that particle impurities with different diameters can be filtered conveniently; and after long-time use, the upper filter screen and the lower filter screen can be detached and cleaned, the limiting bolt connected to the connecting base is directly detached, and the upper filter screen and the lower filter screen can be drawn out of the interior of the box body and cleaned, so that repeated utilization is facilitated, and the functionality of the device is improved.

The invention relates to a composite material for recovering heavy metal in river bed silt and a manufacture method thereof. The composite material is a fishing net structure, which is composed of multiple composite filaments. The composite filament is composed of a core part, an adsorption material and an adsorption structure. The core part forms axis of the composite filament, the adsorption structures sleeves the surface of the core part, and thickness is 2mm-2.5mm. The core part is a VDCrSi oil-hardened and tempered steel wire which has diameter of 0.4-0.5 mm and has undergone surface bluing treatment. The adsorption material contains sodium lignosulfonate, sinapyl alcohol, zeolite and red mud at the mass ratio of 3:2:5:2. The adsorption structure is specifically modified wear-resistant macroporous silica gel Type I. The composite material for recovering heavy metal in river bed silt can adsorb heavy metal materials in river bed silt; available resources are recovered; and pollution is reduced.

The invention discloses a waterwheel mechanism-based foot bath device for removing dead skin in toe gaps, which comprises a basin body, handles are arranged at the tops of the two sides of the basin body, a partition plate is transversely arranged at the lower part in the basin body, a power part is arranged at one end of the top of the partition plate, and a plurality of cleaning mechanisms are arranged on the power part; A sealing cavity is formed in the side, away from the power part, below the partition plate, a conveying pipe is arranged on the upper portion of the sealing cavity in a penetrating mode, the conveying pipe penetrates through the partition plate, extends to the position above the partition plate and is provided with a funnel, a guide pipe is arranged on one side of the sealing cavity in a penetrating mode, and the end, away from the sealing cavity, of the guide pipe is connected with a water suction pump; The water suction pump is located in the box body installed at the bottom of one side outside the basin body, a liquid medicine inlet is formed in the top of the box body and is close to one end of the basin body, dead skin removal and foot soaking are effectively carried out on the sole surface and toe gaps, and the phenomena of low efficiency caused by mutual rubbing of two feet in the prior art and cross infection caused by dead skin removal by hands are avoided.

The invention provides an overhead steel-beam stress platform and a construction method thereof, and belongs to the field of building construction. The overhead steel-beam stress platform is arranged between two buildings and comprises a plurality of main steel beams, a plurality of secondary steel beams, a steel pipe template and a steel pipe bent frame, the main steel beams are arranged in parallel, the secondary steel beams are arranged in parallel, the main steel beams are vertically connected with the secondary steel beams to form a steel beam frame plate, the steel pipe template is arranged on the steel beam frame plate, the steel pipe bent frame is arranged on the secondary steel beams, and two ends of each main steel beam are respectively and firmly arranged on the buildings on two sides. According to the different structural situations of a storage position of the main steel beam of built floors of the buildings on two sides, the main steel beams can be firmly built by selecting one or two of the following ways, so that the characteristics of safety and reliability in construction, simplicity and feasibility can be realized; moreover, the recyclability of each steel component can be guaranteed, and the construction cost is effectively reduced.

The invention relates to the technical field of biological sample grinding equipment, and particularly relates to a grinder for bombyx mori pebrine detection. The grinder for bombyx mori pebrine detection comprises a shell; the shell comprises a feeding port formed in the top of the shell, a piece placing port formed on the side wall of the shell and a piece taking port; a conveying mechanism is arranged at the bottom of the shell; a plurality of material storage barrels are arranged on the conveying mechanism; the lower side wall of the shell is fixedly connected with a mounting rod; a distance sensor is arranged on the side wall of the mounting rod and aligned to the storage barrel; and a first fixing plate is fixedly connected to the side wall of the shell. The grinder for bombyx mori pebrine detection has the beneficial effects that the grinder for bombyx mori pebrine detection can achieve an effect of continuously and automatically grinding and collecting female moths, ensures the sealing performance during grinding, and can rotate, vibrate and disinfect a grinding cylinder, so that the grinding efficiency is improved, and the grinding effect is ensured.

The invention discloses a recyclable cooling water circulation device for non-woven fabric production. The recyclable cooling water circulation device for non-woven fabric production is provided with a backflow pipe and a sealing rod, after non-woven fabric is cooled and soaked, a control valve on the backflow pipe is started, a water suction pump is closed, a first backflow pump and a second backflow pump are started, meanwhile, a rotary knob is rotated to drive an adjusting screw rod to rotate, the adjusting screw rod drives a jacking rod to move, the jacking rod is enabled to push a transmission rack to move in a distribution pipe, in the moving process, the transmission rack drives a transmission gear ring to rotate so as to push the sealing rod to move, when the sealing rod moves towards one end of a spraying head, a sealing gasket at the end of the sealing rod seals the spraying head, and at the moment, the spraying head cannot spray water, cooling water entering the distribution pipe flows back to a water pipe and flows into a water tank through a return pipe on the water pipe, so that the water after cooling and soaking the non-woven fabric is recycled, the storage amount of the water in a cooling bin and a tank body is reduced, water resources are saved, and waste of the water resources is reduced.

The present invention relates to the technical field of mineral processing, and proposes a bag dust removal ash separation process in steel mills, which includes the following steps: the fluid material enters the diaphragm pump for grinding, and the ground mortar is lifted to the high-frequency screen by the crushing pulper, and the high-frequency screen The material under the sieve flows to the elutriation machine for sorting. The tailings slurry from the elutriation machine is added with foaming agent and collector and enters the mineralization tank. After mineralization, it enters the first flotation machine and the second flotation machine. Entering the first flow membrane gravity separator, the first flow membrane gravity separation machine produces three products, namely iron powder, middle ore and tailings, and further separates carbon powder, iron powder, tailings cake and salt. Through the above technical scheme, The problem of insufficient recovery and utilization of blast furnace bag dust removal ash in the related art is solved.

The invention discloses an ecologic flowing water system, which comprises a water quality signal sensing module (1), a water quality signal converting module (2), a water quality signal transmission module (3), an ecological flowing water framework module (5), an ecological flowing water control module (6), an ecological pool module (7), an ecological flowing water circulation power module (8), an ecological flowing water ecological purification module (9), an ecological flowing water filtration module (10), an ecological flowing water additive module (11) and an ecological flowing water circulation module (12). The system adopts a modularized design mode, can be flexibly designed and made into various mini-sized, medium-sized and large-sized scales, including simplified household type, citizen area type, city type and the like, and even can be designed into provincial and national interconnection type ultra-large scale system like an electric network or the Internet.

The invention relates to the field of integrated rain application, aiming at providing a multifunctional combined type plastic water tank convenient to use. The adopted technical scheme is as follows: the multifunctional combined type plastic water tank comprises a cuboid main body used for collecting and storing rainwater, and a reinforcing mechanism arranged in the main body, wherein the main body is formed by splicing a plurality of face plates; each face plate is in a square shape; a reinforcing part is arranged in the middle of each face plate; each reinforcing part is in a spherical surface shape protruding towards the outer side of the main body; the face plates are connected with one another by connecting components, and the faces plates are connected with reinforcing structures by other connecting components. The multifunctional combined type plastic water tank is very convenient, and can be rapidly assembled and disassembled, so that the construction period is greatly shortened, and the construction cost is lowered. The main body is formed by splicing the face plates, so that main bodies with different sizes, shapes and the like can be assembled by the face plates; therefore, the multifunctional combined type plastic water tank is enabled to have multiple purposes and can be widely applied to all walks of life.